*/}}

ouroperations.c 113 KB

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  1. #include "ourpaint.h"
  2. #include "png.h"
  3. #include "lcms2.h"
  4. OurPaint *Our;
  5. extern LA MAIN;
  6. extern tnsMain* T;
  7. const char OUR_CANVAS_SHADER[]="#version 430\n\
  8. layout(local_size_x = 32, local_size_y = 32, local_size_z = 1) in;\n\
  9. layout(rgba16, binding = 0) uniform image2D img;\n\
  10. layout(rgba16, binding = 1) coherent uniform image2D smudge_buckets;\n\
  11. uniform ivec2 uBrushCorner;\n\
  12. uniform vec2 uBrushCenter;\n\
  13. uniform float uBrushSize;\n\
  14. uniform float uBrushHardness;\n\
  15. uniform float uBrushSmudge;\n\
  16. uniform float uBrushSlender;\n\
  17. uniform float uBrushAngle;\n\
  18. uniform float uBrushRecentness;\n\
  19. uniform vec4 uBrushColor;\n\
  20. uniform vec4 uBackgroundColor;\n\
  21. uniform int uBrushErasing;\n\
  22. float atan2(in float y, in float x){\n\
  23. bool s = (abs(x) > abs(y)); return mix(3.1415926535/2.0 - atan(x,y), atan(y,x), s);\n\
  24. }\n\
  25. vec2 rotate(vec2 v, float angle) {\n\
  26. float s = sin(angle); float c = cos(angle);\n\
  27. return mat2(c,-s,s,c) * v;\n\
  28. }\n\
  29. vec4 mix_over(vec4 colora, vec4 colorb){\n\
  30. vec4 c; c.a=colora.a+colorb.a*(1-colora.a);\n\
  31. c.rgb=(colora.rgb+colorb.rgb*(1-colora.a));\n\
  32. return c;\n\
  33. }\n\
  34. int dab(float d, vec4 color, float size, float hardness, float smudge, vec4 smudge_color, vec4 last_color, out vec4 final){\n\
  35. vec4 cc=color;\n\
  36. float fac=1-pow(d/size,1+1/(1-hardness+1e-4));\n\
  37. cc.a=color.a*fac*(1-smudge); cc.rgb=cc.rgb*cc.a;\n\
  38. float erasing=float(uBrushErasing);\n\
  39. cc=cc*(1-erasing);\n\
  40. vec4 c2=mix(last_color,smudge_color,smudge*fac*color.a);\n\
  41. c2=mix_over(cc,c2);\n\
  42. c2=mix(c2,c2*(1-fac*color.a),erasing);\n\
  43. final=c2;\n\
  44. return 1;\n\
  45. }\n\
  46. subroutine void BrushRoutines();\n\
  47. subroutine(BrushRoutines) void DoDabs(){\n\
  48. ivec2 px = ivec2(gl_GlobalInvocationID.xy)+uBrushCorner;\n\
  49. if(px.x<0||px.y<0||px.x>1024||px.y>1024) return;\n\
  50. vec2 fpx=vec2(px);\n\
  51. fpx=uBrushCenter+rotate(fpx-uBrushCenter,uBrushAngle);\n\
  52. fpx.x=uBrushCenter.x+(fpx.x-uBrushCenter.x)*(1+uBrushSlender);\n\
  53. float dd=distance(fpx,uBrushCenter); if(dd>uBrushSize) return;\n\
  54. vec4 dabc=imageLoad(img, px);\n\
  55. vec4 smudgec=mix(imageLoad(smudge_buckets,ivec2(1,0)),imageLoad(smudge_buckets,ivec2(0,0)),uBrushRecentness);\n\
  56. vec4 final_color;\n\
  57. dab(dd,uBrushColor,uBrushSize,uBrushHardness,uBrushSmudge,smudgec,dabc,final_color);\n\
  58. dabc=final_color;\n\
  59. imageStore(img, px, dabc);\n\
  60. }\n\
  61. subroutine(BrushRoutines) void DoSample(){\n\
  62. ivec2 p=ivec2(gl_GlobalInvocationID.xy);\n\
  63. if(p.y!=0) return;\n\
  64. vec2 sp=round(vec2(sin(float(p.x)),cos(float(p.x)))*uBrushSize);\n\
  65. ivec2 px=ivec2(sp)+uBrushCorner; if(px.x<0||px.y<0||px.x>1024||px.y>1024) return;\n\
  66. vec4 color=imageLoad(img, px);\n\
  67. imageStore(smudge_buckets,ivec2(p.x+128,0),color);\n\
  68. memoryBarrier();barrier();\n\
  69. if(uBrushErasing==0 || p.x!=0) return;\n\
  70. color=vec4(0,0,0,0); for(int i=0;i<32;i++){ color=color+imageLoad(smudge_buckets, ivec2(i+128,0)); }\n\
  71. color=color/64+imageLoad(img, uBrushCorner)/2; vec4 oldcolor=imageLoad(smudge_buckets, ivec2(0,0));\n\
  72. imageStore(smudge_buckets,ivec2(1,0),uBrushErasing==2?color:oldcolor);\n\
  73. imageStore(smudge_buckets,ivec2(0,0),color);\n\
  74. }\n\
  75. subroutine uniform BrushRoutines uBrushRoutineSelection;\n\
  76. \n\
  77. void main() {\n\
  78. uBrushRoutineSelection();\n\
  79. }\n\
  80. ";
  81. const char OUR_COMPOSITION_SHADER[]="#version 430\n\
  82. layout(local_size_x = 32, local_size_y = 32, local_size_z = 1) in;\n\
  83. layout(rgba16, binding = 0) uniform image2D top;\n\
  84. layout(rgba16, binding = 1) uniform image2D bottom;\n\
  85. uniform int uBlendMode;\n\
  86. uniform float uAlphaTop;\n\
  87. uniform float uAlphaBottom;\n\
  88. vec4 mix_over(vec4 colora, vec4 colorb){\n\
  89. colora=colora*uAlphaTop/uAlphaBottom;\n\
  90. vec4 c; c.a=colora.a+colorb.a*(1-colora.a);\n\
  91. c.rgb=(colora.rgb+colorb.rgb*(1-colora.a));\n\
  92. return c;\n\
  93. }\n\
  94. vec4 add_over(vec4 colora, vec4 colorb){\n\
  95. colora=colora*uAlphaTop/uAlphaBottom;\n\
  96. vec4 a=colora+colorb; a.a=clamp(a.a,0,1); return a;\n\
  97. }\n\
  98. void main() {\n\
  99. ivec2 px=ivec2(gl_GlobalInvocationID.xy);\n\
  100. vec4 c1=imageLoad(top,px); vec4 c2=imageLoad(bottom,px);\n\
  101. vec4 c=(uBlendMode==0)?mix_over(c1,c2):add_over(c1,c2);\n\
  102. imageStore(bottom,px,c);\n\
  103. imageStore(top,px,vec4(0,0,0,0));\n\
  104. }";
  105. void our_LayerEnsureTiles(OurLayer* ol, real xmin,real xmax, real ymin,real ymax, int Aligned, int *tl, int *tr, int* tu, int* tb);
  106. void our_LayerEnsureTileDirect(OurLayer* ol, int col, int row);
  107. void our_RecordUndo(OurLayer* ol, real xmin,real xmax, real ymin,real ymax,int Aligned,int Push);
  108. void our_CanvasAlphaMix(uint16_t* target, uint16_t* source){
  109. real a_1=(real)(65535-source[3])/65535;
  110. target[3]=source[3]+target[3]*a_1; target[0]=source[0]+target[0]*a_1; target[1]=source[1]+target[1]*a_1; target[2]=source[2]+target[2]*a_1;
  111. }
  112. void our_InitRGBProfile(int Linear,cmsCIExyYTRIPLE* primaries_pre_quantized, void** ptr, int* psize, char* copyright, char* manufacturer, char* description){
  113. cmsCIExyY d65_srgb_adobe_specs = {0.3127, 0.3290, 1.0};
  114. cmsToneCurve*tonecurve; cmsToneCurve*curve[3];
  115. if(Linear){ tonecurve = cmsBuildGamma (NULL, 1.0f); }
  116. elif(Linear==2){
  117. tonecurve=cmsBuildGamma(NULL,2.19921875);
  118. }else{
  119. cmsFloat64Number srgb_parameters[5] = { 2.4, 1.0 / 1.055, 0.055 / 1.055, 1.0 / 12.92, 0.04045 };
  120. tonecurve=cmsBuildParametricToneCurve(NULL, 4, srgb_parameters);
  121. }
  122. curve[0] = curve[1] = curve[2] = tonecurve;
  123. cmsHPROFILE profile4 = cmsCreateRGBProfile (&d65_srgb_adobe_specs, primaries_pre_quantized, curve);
  124. cmsMLU *copy = cmsMLUalloc(NULL, 1);
  125. cmsMLUsetASCII(copy, "en", "US", copyright);
  126. cmsWriteTag(profile4, cmsSigCopyrightTag, copy);
  127. cmsMLU* manu = cmsMLUalloc(NULL, 1);
  128. cmsMLUsetASCII(manu, "en", "US", manufacturer);
  129. cmsWriteTag(profile4, cmsSigDeviceMfgDescTag, manu);
  130. cmsMLU *desc = cmsMLUalloc(NULL, 1);
  131. cmsMLUsetASCII(desc, "en", "US", description);
  132. cmsWriteTag(profile4, cmsSigProfileDescriptionTag, desc);
  133. cmsSaveProfileToMem(profile4, 0, psize);
  134. (*ptr)=calloc(1,*psize); cmsSaveProfileToMem(profile4, *ptr, psize);
  135. cmsMLUfree(copy); cmsMLUfree(manu); cmsMLUfree(desc); cmsFreeToneCurve(tonecurve); cmsCloseProfile(profile4);
  136. }
  137. void our_InitColorProfiles(){
  138. cmsCIExyYTRIPLE srgb_primaries_pre_quantized = { {0.639998686, 0.330010138, 1.0}, {0.300003784, 0.600003357, 1.0}, {0.150002046, 0.059997204, 1.0} };
  139. cmsCIExyYTRIPLE adobe_primaries_prequantized = { {0.639996511, 0.329996864, 1.0}, {0.210005295, 0.710004866, 1.0}, {0.149997606, 0.060003644, 1.0} };
  140. char* manu="sRGB chromaticities from A Standard Default Color Space for the Internet - sRGB, http://www.w3.org/Graphics/Color/sRGB; and http://www.color.org/specification/ICC1v43_2010-12.pdf";
  141. our_InitRGBProfile(1,&srgb_primaries_pre_quantized,&Our->icc_LinearsRGB,&Our->iccsize_LinearsRGB,"Copyright Yiming 2022.",manu,"Yiming's linear sRGB icc profile.");
  142. our_InitRGBProfile(0,&srgb_primaries_pre_quantized,&Our->icc_sRGB,&Our->iccsize_sRGB,"Copyright Yiming 2022.",manu,"Yiming's sRGB icc profile.");
  143. manu="ClayRGB chromaticities as given in Adobe RGB (1998) Color Image Encoding, Version 2005-05, https://www.adobe.com/digitalimag/pdfs/AdobeRGB1998.pdf";
  144. our_InitRGBProfile(1,&adobe_primaries_prequantized,&Our->icc_LinearClay,&Our->iccsize_LinearClay,"Copyright Yiming 2022.",manu,"Yiming's ClayRGB icc profile.");
  145. our_InitRGBProfile(2,&adobe_primaries_prequantized,&Our->icc_Clay,&Our->iccsize_Clay,"Copyright Yiming 2022.",manu,"Yiming's Linear ClayRGB icc profile.");
  146. }
  147. void ourui_CanvasPanel(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  148. laColumn* c=laFirstColumn(uil);
  149. laUiItem* ui=laShowCanvas(uil,c,0,"our.canvas",0,-1);
  150. }
  151. void ourui_Layer(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  152. laColumn* c=laFirstColumn(uil); laColumn* cl,*cr; laSplitColumn(uil,c,0.7); cl=laLeftColumn(c,0);cr=laRightColumn(c,1);
  153. laUiItem* b=laBeginRow(uil,cl,0,0);
  154. laShowHeightAdjuster(uil,cl,This,"__move",0);
  155. laShowItemFull(uil,cl,This,"name",LA_WIDGET_STRING_PLAIN,0,0,0)->Expand=1;
  156. laShowItemFull(uil,cl,This,"lock",LA_WIDGET_ENUM_CYCLE_ICON,0,0,0)->Flags|=LA_UI_FLAGS_NO_DECAL;
  157. laShowItemFull(uil,cl,This,"hide",LA_WIDGET_ENUM_CYCLE_ICON,0,0,0)->Flags|=LA_UI_FLAGS_NO_DECAL;
  158. laEndRow(uil,b);
  159. laUiItem* b1=laOnConditionToggle(uil,cr,0,0,0,0,0);{ strSafeSet(&b1->ExtraInstructions,"text=☰");
  160. b=laBeginRow(uil,c,0,0);
  161. laShowItem(uil,c,This,"remove")->Flags|=LA_UI_FLAGS_ICON;
  162. laShowSeparator(uil,c)->Expand=1;
  163. laShowItemFull(uil,c,This,"move",0,"direction=up;icon=🡱;",0,0)->Flags|=LA_UI_FLAGS_ICON;
  164. laShowItemFull(uil,c,This,"move",0,"direction=down;icon=🡳;",0,0)->Flags|=LA_UI_FLAGS_ICON;
  165. laEndRow(uil,b);
  166. }laEndCondition(uil,b1);
  167. }
  168. void ourui_LayersPanel(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  169. laColumn* c=laFirstColumn(uil); laColumn* cl,*cr; laSplitColumn(uil,c,0.5); cl=laLeftColumn(c,0);cr=laRightColumn(c,0);
  170. laUiItem* b=laOnConditionThat(uil,c,laPropExpression(0,"our.canvas.current_layer"));{
  171. laUiItem* b1=laBeginRow(uil,c,0,0);
  172. laShowItem(uil,c,0,"our.canvas.current_layer.name")->Expand=1;
  173. laShowItem(uil,c,0,"OUR_new_layer")->Flags|=LA_UI_FLAGS_ICON;
  174. laEndRow(uil,b1);
  175. laShowItem(uil,cl,0,"our.canvas.current_layer.transparency");
  176. laShowItem(uil,cr,0,"our.canvas.current_layer.blend_mode");
  177. }laElse(uil,b);{
  178. laShowItem(uil,c,0,"OUR_new_layer");
  179. }laEndCondition(uil,b);
  180. laUiItem* lui=laShowItemFull(uil,c,0,"our.canvas.layers",0,0,0,0);
  181. b=laOnConditionThat(uil,c,laPropExpression(0,"our.canvas.current_layer"));{
  182. laUiItem* b1=laBeginRow(uil,c,0,0);
  183. laShowItem(uil,c,&lui->PP,"remove")->Flags|=LA_UI_FLAGS_ICON;
  184. laShowItem(uil,c,&lui->PP,"merge");
  185. laShowSeparator(uil,c)->Expand=1;
  186. laEndRow(uil,b1);
  187. }laEndCondition(uil,b);
  188. laShowSeparator(uil,c);
  189. b=laBeginRow(uil,c,0,0);
  190. lui=laShowLabel(uil,c,"Background:",0,0);lui->Expand=1;lui->Flags|=LA_TEXT_ALIGN_RIGHT;
  191. laUiItem* b2=laOnConditionThat(uil,c,laPropExpression(0,"our.lock_background"));{
  192. laShowItemFull(uil,c,0,"our.lock_background",LA_WIDGET_ENUM_CYCLE,0,0,0)->Flags|=LA_UI_FLAGS_EXIT_WHEN_TRIGGERED;
  193. }laElse(uil,b2);{
  194. laShowItemFull(uil,c,0,"our.canvas.background_color",LA_WIDGET_FLOAT_COLOR,0,0,0);
  195. }laEndCondition(uil,b2);
  196. laEndRow(uil,b);
  197. b=laBeginRow(uil,c,0,0);
  198. lui=laShowLabel(uil,c,"Color Space:",0,0);lui->Expand=1;lui->Flags|=LA_TEXT_ALIGN_RIGHT; laShowItem(uil,c,0,"our.canvas.color_interpretation");
  199. laEndRow(uil,b);
  200. }
  201. void ourui_Brush(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  202. laColumn* c=laFirstColumn(uil); laColumn* cl,*cr; laSplitColumn(uil,c,0.7); cl=laLeftColumn(c,0);cr=laRightColumn(c,1);
  203. laUiItem* b=laBeginRow(uil,cl,0,0);
  204. laShowHeightAdjuster(uil,cl,This,"__move",0);
  205. laShowItemFull(uil,cl,This,"name",LA_WIDGET_STRING_PLAIN,0,0,0)->Expand=1;
  206. laEndRow(uil,b);
  207. laUiItem* b1=laOnConditionToggle(uil,cr,0,0,0,0,0);{ strSafeSet(&b1->ExtraInstructions,"text=☰");
  208. b=laBeginRow(uil,c,0,0);
  209. laShowItem(uil,c,This,"remove")->Flags|=LA_UI_FLAGS_ICON;
  210. laShowItem(uil,c,This,"binding")->Expand=1;
  211. laShowItemFull(uil,c,This,"move",0,"direction=up;icon=🡱;",0,0)->Flags|=LA_UI_FLAGS_ICON;
  212. laShowItemFull(uil,c,This,"move",0,"direction=down;icon=🡳;",0,0)->Flags|=LA_UI_FLAGS_ICON;
  213. laEndRow(uil,b);
  214. }laEndCondition(uil,b1);
  215. }
  216. void ourui_ToolsPanel(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  217. laColumn* c=laFirstColumn(uil); laColumn* cl,*cr; laSplitColumn(uil,c,0.6); cl=laLeftColumn(c,0);cr=laRightColumn(c,0);
  218. laUiItem* b1, *b2;
  219. #define OUR_BR b1=laBeginRow(uil,c,0,0);
  220. #define OUR_ER laEndRow(uil,b1);
  221. #define OUR_PRESSURE(a)\
  222. b2=laOnConditionThat(uil,c,laNot(laPropExpression(0,"our.tools.current_brush.use_nodes")));\
  223. laShowItemFull(uil,c,0,"our.tools.current_brush." a,0,"text=P",0,0);\
  224. laEndCondition(uil,b2);
  225. laShowItem(uil,c,0,"our.tool")->Flags|=LA_UI_FLAGS_EXPAND;
  226. laUiItem* bt=laOnConditionThat(uil,c,laEqual(laPropExpression(0,"our.tool"),laIntExpression(OUR_TOOL_PAINT)));{
  227. laUiItem* b=laOnConditionThat(uil,c,laPropExpression(0,"our.tools.current_brush"));{
  228. laShowLabel(uil,cl,"Mode:",0,0);laShowItem(uil,cr,0,"our.erasing");
  229. laShowItem(uil,c,0,"our.tools.current_brush.name");
  230. laShowItem(uil,cl,0,"our.tools.current_brush.use_nodes");
  231. laUiItem* b3=laOnConditionThat(uil,c,laPropExpression(0,"our.tools.current_brush.use_nodes"));{
  232. laShowItemFull(uil,cr,0,"LA_panel_activator",0,"text=Edit;panel_id=panel_brush_nodes",0,0);
  233. }laEndCondition(uil,b3);
  234. OUR_BR laShowItem(uil,c,0,"our.tools.current_brush.size")->Expand=1; OUR_PRESSURE("pressure_size") OUR_ER
  235. OUR_BR laShowItem(uil,c,0,"our.tools.current_brush.transparency")->Expand=1; OUR_PRESSURE("pressure_transparency") OUR_ER
  236. OUR_BR laShowItem(uil,c,0,"our.tools.current_brush.hardness")->Expand=1; OUR_PRESSURE("pressure_hardness") OUR_ER
  237. laShowItem(uil,c,0,"our.tools.current_brush.slender");
  238. laShowItem(uil,c,0,"our.tools.current_brush.angle");
  239. OUR_BR laShowItem(uil,c,0,"our.tools.current_brush.smudge")->Expand=1; OUR_PRESSURE("pressure_smudge") OUR_ER
  240. laShowItem(uil,c,0,"our.tools.current_brush.dabs_per_size");
  241. laShowItem(uil,c,0,"our.tools.current_brush.smudge_resample_length");
  242. laShowItem(uil,c,0,"our.tools.current_brush.smoothness");
  243. laShowItem(uil,c,0,"our.tools.current_brush.default_as_eraser");
  244. }laEndCondition(uil,b);
  245. laShowSeparator(uil,c);
  246. laShowLabel(uil,c,"Display:",0,0);
  247. laShowItem(uil,c,0,"our.preferences.enable_brush_circle");
  248. }laEndCondition(uil,bt);
  249. bt=laOnConditionThat(uil,c,laEqual(laPropExpression(0,"our.tool"),laIntExpression(OUR_TOOL_CROP)));{
  250. laShowItemFull(uil,c,0,"our.canvas.show_border",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0);
  251. laUiItem* b=laOnConditionThat(uil,c,laPropExpression(0,"our.canvas.show_border"));{
  252. laShowLabel(uil,cl,"Position:",0,0); laShowItem(uil,cr,0,"our.canvas.position")->Flags|=LA_UI_FLAGS_TRANSPOSE;
  253. laShowSeparator(uil,c);
  254. laShowLabel(uil,cl,"Size:",0,0); laShowItem(uil,cr,0,"our.canvas.size")->Flags|=LA_UI_FLAGS_TRANSPOSE;
  255. laShowSeparator(uil,c);
  256. laShowItem(uil,c,0,"our.canvas.border_alpha");
  257. }laEndCondition(uil,b);
  258. }laEndCondition(uil,bt);
  259. }
  260. void ourui_BrushesPanel(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  261. laColumn* c=laFirstColumn(uil); laUiItem* b1, *b2;
  262. laUiItem* bt=laOnConditionThat(uil,c,laEqual(laPropExpression(0,"our.tool"),laIntExpression(OUR_TOOL_PAINT)));{
  263. laUiItem* b=laOnConditionThat(uil,c,laPropExpression(0,"our.tools.current_brush"));{
  264. laShowItemFull(uil,c,0,"our.tools.current_brush.size",0,0,0,0);
  265. laShowItemFull(uil,c,0,"our.tools.current_brush.size_100",0,0,0,0);
  266. laShowItemFull(uil,c,0,"our.tools.current_brush.size_10",0,0,0,0);
  267. OUR_BR laShowSeparator(uil,c)->Expand=1; laShowItemFull(uil,c,0,"our.preferences.lock_radius",LA_WIDGET_ENUM_HIGHLIGHT,"text=Lock;",0,0); OUR_ER
  268. }laEndCondition(uil,b);
  269. laShowItemFull(uil,c,0,"our.tools.brushes",0,0,0,0);
  270. laShowItem(uil,c,0,"OUR_new_brush");
  271. }laElse(uil,bt);{
  272. laShowLabel(uil,c,"Brush tool not selected",0,0);
  273. }laEndCondition(uil,bt);
  274. }
  275. void ourui_ColorPanel(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  276. laColumn* c=laFirstColumn(uil);
  277. laUiItem* b=laOnConditionThat(uil,c,laEqual(laPropExpression(0,"our.canvas.color_interpretation"),laIntExpression(OUR_CANVAS_INTERPRETATION_SRGB)));{
  278. laShowItemFull(uil,c,0,"our.current_color",LA_WIDGET_FLOAT_COLOR_HCY,0,0,0);
  279. }laElse(uil,b);{
  280. laShowItemFull(uil,c,0,"our.current_color",LA_WIDGET_FLOAT_COLOR_HCY,0,0,0)->Flags|=LA_UI_FLAGS_COLOR_SPACE_CLAY;
  281. }laEndCondition(uil,b);
  282. laShowItem(uil,c,0,"our.current_color");
  283. }
  284. void ourui_BrushPage(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  285. laColumn* c=laFirstColumn(uil);
  286. laShowItemFull(uil,c,0,"our.tools.current_brush",LA_WIDGET_COLLECTION_SELECTOR,0,laui_IdentifierOnly,0);
  287. laUiItem* b=laOnConditionThat(uil,c,laPropExpression(0,"our.tools.current_brush"));{
  288. laShowItemFull(uil,c,0,"our.tools.current_brush.rack_page",LA_WIDGET_COLLECTION_SINGLE,0,0,0)->Extra->HeightCoeff=-1;
  289. }laEndCondition(uil,b);
  290. }
  291. void ourui_AboutAuthor(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  292. laColumn* c=laFirstColumn(uil); laUiItem* g; laUiList* gu; laColumn* gc;
  293. g = laMakeGroup(uil, c, "OurPaint", 0);
  294. gu = g->Page;{
  295. gc = laFirstColumn(gu);
  296. laShowLabel(gu,gc,"OurPaint is made by Wu Yiming.",0,0)->Flags|=LA_TEXT_LINE_WRAP;
  297. laShowItemFull(gu, gc, 0, "LA_open_internet_link", 0, "link=http://www.ChengduLittleA.com/ourpaint;text=OurPaint Blog", 0, 0);
  298. }
  299. }
  300. void ourui_AboutVersion(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  301. laColumn* c=laFirstColumn(uil); laUiItem* g; laUiList* gu; laColumn* gc;
  302. g = laMakeGroup(uil, c, "OurPaint", 0);
  303. gu = g->Page;{
  304. gc = laFirstColumn(gu); char buf[128]; sprintf(buf,"OurPaint %d.%d",OUR_VERSION_MAJOR,OUR_VERSION_MINOR);
  305. laShowLabel(gu,gc,buf,0,0)->Flags|=LA_TEXT_MONO;
  306. }
  307. }
  308. void ourui_AboutContent(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  309. laColumn* c=laFirstColumn(uil);
  310. laShowLabel(uil, c, "OurPaint", 0, 0);
  311. laShowLabel(uil, c, "A simple yet flexible node-based GPU painting program.", 0, 0)->Flags|=LA_TEXT_LINE_WRAP;
  312. laShowLabel(uil, c, "(C)Yiming Wu", 0, 0);
  313. }
  314. void ourui_OurPreference(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
  315. laColumn* c = laFirstColumn(uil),*cl,*cr; laSplitColumn(uil,c,0.5);cl=laLeftColumn(c,0);cr=laRightColumn(c,0);
  316. laShowLabel(uil,c,"Generic:",0,0);
  317. laShowItem(uil,cl,0,"our.preferences.enable_brush_circle");
  318. laShowItem(uil,cr,0,"our.preferences.lock_radius");
  319. laShowItem(uil,c,0,"our.preferences.paint_undo_limit");
  320. laShowSeparator(uil,c);
  321. laShowLabel(uil,c,"Exporting Defaults:",0,0);
  322. laShowLabel(uil,cl,"Bit Depth:",0,0); laShowItem(uil,cr,0,"our.preferences.export_default_bit_depth");
  323. laShowLabel(uil,cl,"Color Profile:",0,0); laShowItem(uil,cr,0,"our.preferences.export_default_color_profile");
  324. laShowSeparator(uil,c);
  325. laShowLabel(uil,c,"Developer:",0,0);
  326. laShowItem(uil,cl,0,"our.preferences.show_debug_tiles");
  327. }
  328. void our_CanvasDrawTextures(){
  329. tnsUseImmShader; tnsEnableShaderv(T->immShader); real MultiplyColor[4];
  330. for(OurLayer* l=Our->Layers.pLast;l;l=l->Item.pPrev){
  331. if(l->Hide || l->Transparency==1) continue; real a=1-l->Transparency; tnsVectorSet4(MultiplyColor,a,a,a,a); int any=0;
  332. if(l->BlendMode==OUR_BLEND_NORMAL){ glBlendFunc(GL_ONE,GL_ONE_MINUS_SRC_ALPHA); }
  333. if(l->BlendMode==OUR_BLEND_ADD){ glBlendFunc(GL_ONE,GL_ONE); }
  334. for(int row=0;row<OUR_TILES_PER_ROW;row++){
  335. if(!l->TexTiles[row]) continue;
  336. for(int col=0;col<OUR_TILES_PER_ROW;col++){
  337. if(!l->TexTiles[row][col] || !l->TexTiles[row][col]->Texture) continue;
  338. int sx=l->TexTiles[row][col]->l,sy=l->TexTiles[row][col]->b;
  339. real pad=(real)OUR_TILE_SEAM/OUR_TILE_W; int seam=OUR_TILE_SEAM;
  340. tnsDraw2DTextureArg(l->TexTiles[row][col]->Texture,sx+seam,sy+OUR_TILE_W-seam,OUR_TILE_W-seam*2,-OUR_TILE_W+seam*2,MultiplyColor,pad,pad,pad,pad);
  341. any=1;
  342. }
  343. }
  344. if(any) tnsFlush();
  345. }
  346. glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,GL_ONE,GL_ONE_MINUS_SRC_ALPHA);
  347. }
  348. void our_CanvasDrawTiles(){
  349. OurLayer* l=Our->CurrentLayer; if(!l) return;
  350. tnsUseImmShader; tnsEnableShaderv(T->immShader); tnsUniformUseTexture(T->immShader,0,0); tnsUseNoTexture();
  351. int any=0;
  352. for(int row=0;row<OUR_TILES_PER_ROW;row++){
  353. if(!l->TexTiles[row]) continue;
  354. for(int col=0;col<OUR_TILES_PER_ROW;col++){
  355. if(!l->TexTiles[row][col] || !l->TexTiles[row][col]->Texture) continue;
  356. int sx=l->TexTiles[row][col]->l,sy=l->TexTiles[row][col]->b;
  357. //tnsVertex2d(sx, sy); tnsVertex2d(sx+OUR_TILE_W,sy);
  358. //tnsVertex2d(sx+OUR_TILE_W, sy+OUR_TILE_W); tnsVertex2d(sx,sy+OUR_TILE_W);
  359. //tnsColor4dv(laAccentColor(LA_BT_NORMAL));
  360. //tnsPackAs(GL_TRIANGLE_FAN);
  361. tnsVertex2d(sx, sy); tnsVertex2d(sx+OUR_TILE_W,sy);
  362. tnsVertex2d(sx+OUR_TILE_W, sy+OUR_TILE_W); tnsVertex2d(sx,sy+OUR_TILE_W);
  363. tnsColor4dv(laAccentColor(LA_BT_TEXT));
  364. tnsPackAs(GL_LINE_LOOP);
  365. }
  366. }
  367. if(any) tnsFlush();
  368. }
  369. void our_CanvasDrawCropping(OurCanvasDraw* ocd){
  370. tnsUseImmShader; tnsEnableShaderv(T->immShader); tnsUniformUseTexture(T->immShader,0,0); tnsUseNoTexture();
  371. tnsColor4d(0,0,0,Our->BorderAlpha);
  372. tnsVertex2d(-1e6,Our->Y); tnsVertex2d(1e6,Our->Y); tnsVertex2d(-1e6,1e6); tnsVertex2d(1e6,1e6); tnsPackAs(GL_TRIANGLE_FAN);
  373. tnsVertex2d(-1e6,Our->Y); tnsVertex2d(Our->X,Our->Y); tnsVertex2d(Our->X,Our->Y-Our->H); tnsVertex2d(-1e6,Our->Y-Our->H); tnsPackAs(GL_TRIANGLE_FAN);
  374. tnsVertex2d(1e6,Our->Y); tnsVertex2d(Our->X+Our->W,Our->Y); tnsVertex2d(Our->X+Our->W,Our->Y-Our->H); tnsVertex2d(1e6,Our->Y-Our->H); tnsPackAs(GL_TRIANGLE_FAN);
  375. tnsVertex2d(-1e6,Our->Y-Our->H); tnsVertex2d(1e6,Our->Y-Our->H); tnsVertex2d(-1e6,-1e6); tnsVertex2d(1e6,-1e6); tnsPackAs(GL_TRIANGLE_FAN);
  376. if(Our->Tool==OUR_TOOL_CROP){
  377. tnsColor4dv(laAccentColor(LA_BT_TEXT));
  378. tnsVertex2d(Our->X,Our->Y); tnsVertex2d(Our->X+Our->W,Our->Y); tnsVertex2d(Our->X+Our->W,Our->Y-Our->H); tnsVertex2d(Our->X,Our->Y-Our->H);
  379. tnsPackAs(GL_LINE_LOOP);
  380. glLineWidth(3); tnsFlush(); glLineWidth(1);
  381. }
  382. }
  383. void our_CanvasDrawBrushCircle(OurCanvasDraw* ocd){
  384. if(!Our->CurrentBrush) return; real v[96];
  385. tnsUseImmShader();tnsUseNoTexture();
  386. tnsMakeCircle2d(v,48,ocd->Base.OnX,ocd->Base.OnY,Our->CurrentBrush->Size/ocd->Base.ZoomX+0.5,0);
  387. tnsColor4d(1,1,1,0.3); tnsVertexArray2d(v,48); tnsPackAs(GL_LINE_LOOP);
  388. tnsMakeCircle2d(v,48,ocd->Base.OnX,ocd->Base.OnY,Our->CurrentBrush->Size/ocd->Base.ZoomX-0.5,0);
  389. tnsColor4d(0,0,0,0.3); tnsVertexArray2d(v,48); tnsPackAs(GL_LINE_LOOP);
  390. tnsFlush();
  391. }
  392. void our_CanvasDrawInit(laUiItem* ui){
  393. ui->Extra=memAcquireHyper(sizeof(OurCanvasDraw));
  394. laFirstColumn(laAddTabPage(ui, "New Group"));
  395. OurCanvasDraw* ocd=ui->Extra;
  396. ocd->Base.ParentUi=ui;
  397. ocd->Base.HeightCoeff = 10;
  398. ocd->Base.ZoomX = 1;
  399. ocd->Base.ZoomY = 1;
  400. ocd->Base.ImageDrawAlpha = 1;
  401. ocd->Base.ImageDrawBorder = 1;
  402. ocd->Base.AdaptiveLineWidth = 1;
  403. ocd->Base.ClearBackground = 1;
  404. int work_grp_cnt[3];
  405. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 0, &work_grp_cnt[0]);
  406. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 1, &work_grp_cnt[1]);
  407. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 2, &work_grp_cnt[2]);
  408. printf("max global (total) work group counts x:%i y:%i z:%i\n", work_grp_cnt[0], work_grp_cnt[1], work_grp_cnt[2]);
  409. int work_grp_size[3];
  410. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 0, &work_grp_size[0]);
  411. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 1, &work_grp_size[1]);
  412. glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 2, &work_grp_size[2]);
  413. printf("max local (in one shader) work group sizes x:%i y:%i z:%i\n", work_grp_size[0], work_grp_size[1], work_grp_size[2]);
  414. int work_grp_inv;
  415. glGetIntegerv(GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS, &work_grp_inv);
  416. printf("max local work group invocations %i\n", work_grp_inv);
  417. }
  418. void our_CanvasDrawCanvas(laBoxedTheme *bt, OurPaint *unused_c, laUiItem* ui){
  419. OurCanvasDraw* ocd=ui->Extra; OurPaint* oc=ui->PP.EndInstance; laCanvasExtra*e=&ocd->Base;
  420. int W, H; W = ui->R - ui->L; H = ui->B - ui->U;
  421. tnsFlush();
  422. if (!e->OffScr || e->OffScr->pColor[0]->Height != ui->B - ui->U || e->OffScr->pColor[0]->Width != ui->R - ui->L){
  423. if (e->OffScr) tnsDelete2DOffscreen(e->OffScr);
  424. e->OffScr = tnsCreate2DOffscreen(GL_RGBA16F, W, H, 0, 0);
  425. }
  426. //our_CANVAS_TEST(bt,ui);
  427. //glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,GL_ONE,GL_ONE);
  428. tnsDrawToOffscreen(e->OffScr,1,0);
  429. tnsViewportWithScissor(0, 0, W, H);
  430. tnsResetViewMatrix();tnsResetModelMatrix();tnsResetProjectionMatrix();
  431. tnsOrtho(e->PanX - W * e->ZoomX / 2, e->PanX + W * e->ZoomX / 2, e->PanY - e->ZoomY * H / 2, e->PanY + e->ZoomY * H / 2, 100, -100);
  432. tnsClearColor(LA_COLOR3(Our->BackgroundColor),1); tnsClearAll();
  433. if(Our->ShowTiles){ our_CanvasDrawTiles(); }
  434. our_CanvasDrawTextures();
  435. if(Our->ShowBorder){ our_CanvasDrawCropping(ocd); }
  436. }
  437. void our_CanvasDrawOverlay(laUiItem* ui,int h){
  438. laCanvasExtra *e = ui->Extra; OurCanvasDraw* ocd=e;
  439. laBoxedTheme *bt = (*ui->Type->Theme);
  440. tnsUseImmShader(); tnsEnableShaderv(T->immShader); tnsUniformColorMode(T->immShader,2);
  441. tnsUniformOutputColorSpace(T->immShader, 0);
  442. if(Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_SRGB){ tnsUniformInputColorSpace(T->immShader, 0); }
  443. elif(Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_CLAY){ tnsUniformInputColorSpace(T->immShader, 1); }
  444. tnsDraw2DTextureDirectly(e->OffScr->pColor[0], ui->L, ui->U, ui->R - ui->L, ui->B - ui->U);
  445. tnsFlush();
  446. tnsUniformColorMode(T->immShader, 0); tnsUniformInputColorSpace(T->immShader, 0); tnsUniformOutputColorSpace(T->immShader, MAIN.CurrentWindow->OutputColorSpace);
  447. if(Our->EnableBrushCircle && (!ocd->HideBrushCircle)){ our_CanvasDrawBrushCircle(ocd); }
  448. la_CanvasDefaultOverlay(ui, h);
  449. }
  450. int ourextramod_Canvas(laOperator *a, laEvent *e){
  451. laUiItem *ui = a->Instance; OurCanvasDraw* ocd=ui->Extra;
  452. if(Our->EnableBrushCircle && (e->Type&LA_MOUSE_EVENT)){ ocd->Base.OnX=e->x; ocd->Base.OnY=e->y; laRedrawCurrentPanel(); }
  453. return LA_RUNNING_PASS;
  454. }
  455. OurLayer* our_NewLayer(char* name){
  456. OurLayer* l=memAcquire(sizeof(OurLayer)); strSafeSet(&l->Name,name); lstPushItem(&Our->Layers, l);
  457. memAssignRef(Our, &Our->CurrentLayer, l);
  458. return l;
  459. }
  460. void ourbeforefree_Layer(OurLayer* l){
  461. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!l->TexTiles[row]) continue;
  462. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!l->TexTiles[row][col]) continue;
  463. if(l->TexTiles[row][col]->Texture) tnsDeleteTexture(l->TexTiles[row][col]->Texture); l->TexTiles[row][col]->Texture=0;
  464. if(l->TexTiles[row][col]->Data) free(l->TexTiles[row][col]->Data); l->TexTiles[row][col]->Data=0;
  465. if(l->TexTiles[row][col]->FullData) free(l->TexTiles[row][col]->FullData); l->TexTiles[row][col]->FullData=0;
  466. memFree(l->TexTiles[row][col]);
  467. }
  468. memFree(l->TexTiles[row]); l->TexTiles[row]=0;
  469. }
  470. }
  471. void our_RemoveLayer(OurLayer* l){
  472. strSafeDestroy(&l->Name);
  473. if(Our->CurrentLayer==l){ OurLayer* nl=l->Item.pPrev?l->Item.pPrev:l->Item.pNext; memAssignRef(Our, &Our->CurrentLayer, nl); }
  474. lstRemoveItem(&Our->Layers, l);
  475. ourbeforefree_Layer(l);
  476. memLeave(l);
  477. }
  478. int our_MergeLayer(OurLayer* l){
  479. OurLayer* ol=l->Item.pNext; if(!ol) return 0; int xmin=INT_MAX,xmax=-INT_MAX,ymin=INT_MAX,ymax=-INT_MAX; int seam=OUR_TILE_SEAM;
  480. glUseProgram(Our->CompositionProgram);
  481. glUniform1i(Our->uBlendMode, l->BlendMode);
  482. glUniform1f(Our->uAlphaTop, 1-l->Transparency);
  483. glUniform1f(Our->uAlphaBottom, 1-ol->Transparency);
  484. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!l->TexTiles[row]) continue;// Should not happen.
  485. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!l->TexTiles[row][col]) continue; OurTexTile*t=l->TexTiles[row][col];
  486. int tl,tr,tu,tb; our_LayerEnsureTileDirect(ol,row,col);
  487. OurTexTile*ot=ol->TexTiles[row][col]; if(!ot) continue;
  488. glBindImageTexture(0, t->Texture->GLTexHandle, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA16);
  489. glBindImageTexture(1, ot->Texture->GLTexHandle, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA16);
  490. glDispatchCompute(32,32,1);
  491. xmin=TNS_MIN2(xmin,t->l+seam);xmax=TNS_MAX2(xmax,t->r-seam); ymin=TNS_MIN2(ymin,t->b+seam);ymax=TNS_MAX2(ymax,t->u-seam);
  492. }
  493. }
  494. glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
  495. if(xmin>xmax||ymin>ymax) return 0;
  496. our_RecordUndo(l,xmin,xmax,ymin,ymax,1,0);
  497. our_RecordUndo(ol,xmin,xmax,ymin,ymax,1,0);
  498. our_RemoveLayer(l);
  499. laRecordDifferences(0,"our.canvas.layers");laRecordDifferences(0,"our.canvas.current_layer");
  500. laPushDifferences("Merge layers",0);
  501. return 1;
  502. }
  503. OurBrush* our_NewBrush(char* name, real Size, real Hardness, real DabsPerSize, real Transparency, real Smudge, real SmudgeResampleLength,
  504. int PressureSize, int PressureHardness, int PressureTransparency, int PressureSmudge){
  505. OurBrush* b=memAcquireHyper(sizeof(OurBrush)); strSafeSet(&b->Name,name); lstAppendItem(&Our->Brushes, b);
  506. b->Size=Size; b->Hardness=Hardness; b->DabsPerSize=DabsPerSize; b->Transparency=Transparency; b->Smudge=Smudge;
  507. b->PressureHardness=PressureHardness; b->PressureSize=PressureSize; b->PressureTransparency=PressureTransparency; b->PressureSmudge=PressureSmudge;
  508. b->SmudgeResampleLength = SmudgeResampleLength;
  509. memAssignRef(Our, &Our->CurrentBrush, b);
  510. b->Rack=memAcquireHyper(sizeof(laRackPage)); b->Rack->RackType=LA_RACK_TYPE_DRIVER;
  511. b->Binding=-1;
  512. return b;
  513. }
  514. void our_RemoveBrush(OurBrush* b){
  515. strSafeDestroy(&b->Name);
  516. if(Our->CurrentBrush==b){ OurBrush* nb=b->Item.pPrev?b->Item.pPrev:b->Item.pNext; memAssignRef(Our, &Our->CurrentBrush, nb); }
  517. lstRemoveItem(&Our->Brushes, b);
  518. memLeave(b->Rack); b->Rack=0;
  519. memLeave(b);
  520. }
  521. int our_BufferAnythingVisible(uint16_t* buf, int elemcount){
  522. for(int i=0;i<elemcount;i++){
  523. uint16_t* rgba=&buf[i*4]; if(rgba[3]) return 1;
  524. }
  525. return 0;
  526. }
  527. void our_TileEnsureUndoBuffer(OurTexTile* t, real xmin,real xmax, real ymin,real ymax,int OnlyUpdateLocal){
  528. if(!t->Texture) return;
  529. if(OnlyUpdateLocal){
  530. t->cl=0;t->cr=OUR_TILE_W;t->cu=OUR_TILE_W;t->cb=0;
  531. }else{
  532. int _l=floor(xmin),_r=ceil(xmax),_u=ceil(ymax),_b=floor(ymin);
  533. if(t->CopyBuffer) free(t->CopyBuffer); t->CopyBuffer=0; //shouldn't happen
  534. if(_l>=t->r || _r<t->l || _b>=t->u || _u<t->b || _l==_r || _u==_b) return;
  535. t->cl=TNS_MAX2(_l,t->l)-t->l;t->cr=TNS_MIN2(_r,t->r)-t->l;t->cu=TNS_MIN2(_u,t->u)-t->b;t->cb=TNS_MAX2(_b,t->b)-t->b;
  536. }
  537. int rows=t->cu-t->cb,cols=t->cr-t->cl;
  538. int bufsize=cols*4*rows*sizeof(uint16_t);
  539. t->CopyBuffer=calloc(1,bufsize);
  540. for(int row=0;row<rows;row++){
  541. memcpy(&t->CopyBuffer[row*cols*4],&t->FullData[((+row+t->cb)*OUR_TILE_W+t->cl)*4],sizeof(uint16_t)*4*cols);
  542. }
  543. uint16_t* temp=malloc(bufsize);
  544. tnsBindTexture(t->Texture);
  545. glGetTextureSubImage(t->Texture->GLTexHandle, 0, t->cl, t->cb, 0, cols,rows,1, GL_RGBA, GL_UNSIGNED_SHORT, bufsize, temp);
  546. for(int row=0;row<rows;row++){
  547. memcpy(&t->FullData[((+row+t->cb)*OUR_TILE_W+t->cl)*4],&temp[row*cols*4],sizeof(uint16_t)*4*cols);
  548. }
  549. }
  550. void our_TileSwapBuffers(OurTexTile* t, uint16_t* data, int IsRedo, int l, int r, int u, int b){
  551. int rows=u-b,cols=r-l; int bufsize=rows*cols*sizeof(uint16_t)*4;
  552. uint16_t* temp=malloc(bufsize);
  553. memcpy(temp,data,bufsize);
  554. for(int row=0;row<rows;row++){
  555. memcpy(&data[row*cols*4],&t->FullData[((+row+b)*OUR_TILE_W+l)*4],sizeof(uint16_t)*4*cols);
  556. memcpy(&t->FullData[((+row+b)*OUR_TILE_W+l)*4],&temp[row*cols*4],sizeof(uint16_t)*4*cols);
  557. }
  558. tnsBindTexture(t->Texture);
  559. glGetError();
  560. uint16_t* use_data=temp;
  561. if(IsRedo){ use_data=data; }
  562. glTexSubImage2D(GL_TEXTURE_2D, 0, l, b, cols,rows,GL_RGBA,GL_UNSIGNED_SHORT,use_data);
  563. free(temp);
  564. }
  565. void ourundo_Tiles(OurUndo* undo){
  566. for(OurUndoTile* ut=undo->Tiles.pFirst;ut;ut=ut->Item.pNext){
  567. our_LayerEnsureTileDirect(undo->Layer,ut->row,ut->col);
  568. our_TileSwapBuffers(undo->Layer->TexTiles[ut->row][ut->col], ut->CopyData, 0, ut->l, ut->r, ut->u, ut->b);
  569. }
  570. laNotifyUsers("our.canvas");
  571. }
  572. void ourredo_Tiles(OurUndo* undo){
  573. for(OurUndoTile* ut=undo->Tiles.pFirst;ut;ut=ut->Item.pNext){
  574. our_LayerEnsureTileDirect(undo->Layer,ut->row,ut->col);
  575. our_TileSwapBuffers(undo->Layer->TexTiles[ut->row][ut->col], ut->CopyData, 0, ut->l, ut->r, ut->u, ut->b);
  576. }
  577. laNotifyUsers("our.canvas");
  578. }
  579. void ourundo_Free(OurUndo* undo,int FromLeft){
  580. OurUndoTile* ut;
  581. while(ut=lstPopItem(&undo->Tiles)){ free(ut->CopyData); memFree(ut); }
  582. memFree(undo);
  583. }
  584. #define OUR_XXYY_TO_COL_ROW_RANGE\
  585. l=(int)(floor(OUR_TILE_CTR+(xmin-OUR_TILE_SEAM)/OUR_TILE_W_USE+0.5));\
  586. r=(int)(floor(OUR_TILE_CTR+(xmax+OUR_TILE_SEAM)/OUR_TILE_W_USE+0.5));\
  587. u=(int)(floor(OUR_TILE_CTR+(ymax+OUR_TILE_SEAM)/OUR_TILE_W_USE+0.5));\
  588. b=(int)(floor(OUR_TILE_CTR+(ymin-OUR_TILE_SEAM)/OUR_TILE_W_USE+0.5));\
  589. TNS_CLAMP(l,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(r,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(u,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(b,0,OUR_TILES_PER_ROW-1);
  590. #define OUR_XXYY_TO_COL_ROW_ALIGNED\
  591. l=(int)(floor(OUR_TILE_CTR+(xmin)/OUR_TILE_W_USE+0.5));\
  592. r=(int)(floor(OUR_TILE_CTR+(xmax-1)/OUR_TILE_W_USE+0.5));\
  593. u=(int)(floor(OUR_TILE_CTR+(ymax-1)/OUR_TILE_W_USE+0.5));\
  594. b=(int)(floor(OUR_TILE_CTR+(ymin)/OUR_TILE_W_USE+0.5));\
  595. TNS_CLAMP(l,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(r,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(u,0,OUR_TILES_PER_ROW-1); TNS_CLAMP(b,0,OUR_TILES_PER_ROW-1);
  596. void our_RecordUndo(OurLayer* ol, real xmin,real xmax, real ymin,real ymax,int Aligned,int Push){
  597. if(xmax<xmin || ymax<ymin) return;
  598. int l,r,u,b;
  599. if(Aligned){ OUR_XXYY_TO_COL_ROW_ALIGNED }else{ OUR_XXYY_TO_COL_ROW_RANGE; }
  600. OurUndo* undo=memAcquire(sizeof(OurUndo)); undo->Layer=ol;
  601. for(int row=b;row<=u;row++){ if(!ol->TexTiles[row]) continue;// Should not happen.
  602. for(int col=l;col<=r;col++){ if(!ol->TexTiles[row][col]) continue; OurTexTile*t=ol->TexTiles[row][col];
  603. our_TileEnsureUndoBuffer(t,xmin,xmax,ymin,ymax,0);
  604. if(!t->CopyBuffer) continue;
  605. OurUndoTile* ut=memAcquire(sizeof(OurUndoTile));
  606. ut->l=t->cl; ut->r=t->cr; ut->u=t->cu; ut->b=t->cb;
  607. ut->CopyData=t->CopyBuffer; t->CopyBuffer=0;
  608. ut->col=col;ut->row=row;
  609. lstAppendItem(&undo->Tiles,ut);
  610. }
  611. }
  612. if(!undo->Tiles.pFirst){ memFree(undo); return; /*unlikely;*/ }
  613. laFreeNewerDifferences();
  614. laRecordCustomDifferences(undo,ourundo_Tiles,ourredo_Tiles,ourundo_Free);
  615. if(Push){ laPushDifferences("Paint",0); laFreeOlderDifferences(Our->PaintUndoLimit); }
  616. }
  617. void our_LayerRefreshLocal(OurLayer* ol){
  618. //OurUndo* undo=memAcquire(sizeof(OurUndo)); undo->Layer=ol;
  619. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!ol->TexTiles[row]) continue;
  620. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!ol->TexTiles[row][col]) continue; OurTexTile*t=ol->TexTiles[row][col];
  621. our_TileEnsureUndoBuffer(t,0,0,0,0,1);
  622. }
  623. }
  624. //if(!undo->Tiles.pFirst){ memFree(undo); return; /*unlikely;*/ }
  625. //laFreeNewerDifferences();
  626. //laRecordCustomDifferences(undo,ourundo_Tiles,ourredo_Tiles,ourundo_Free);
  627. //if(Push){ laPushDifferences("Loaded",0); }
  628. }
  629. void our_LayerEnsureTileDirect(OurLayer* ol, int row, int col){
  630. if(!ol->TexTiles[row]){ol->TexTiles[row]=memAcquireSimple(sizeof(OurTexTile*)*OUR_TILES_PER_ROW);}
  631. if(ol->TexTiles[row][col]) return;
  632. ol->TexTiles[row][col]=memAcquireSimple(sizeof(OurTexTile));
  633. OurTexTile*t=ol->TexTiles[row][col];
  634. t->Texture=tnsCreate2DTexture(GL_RGBA16,OUR_TILE_W,OUR_TILE_W,0);
  635. int sx=((real)col-OUR_TILE_CTR-0.5)*OUR_TILE_W_USE,sy=((real)row-OUR_TILE_CTR-0.5)*OUR_TILE_W_USE;
  636. t->l=sx-OUR_TILE_SEAM,t->b=sy-OUR_TILE_SEAM; t->r=t->l+OUR_TILE_W; t->u=t->b+OUR_TILE_W;
  637. uint16_t initColor[]={0,0,0,0};
  638. glClearTexImage(t->Texture->GLTexHandle, 0, GL_RGBA, GL_UNSIGNED_SHORT, 0);
  639. t->FullData=calloc(OUR_TILE_W*4,OUR_TILE_W*sizeof(uint16_t));
  640. }
  641. void our_LayerEnsureTiles(OurLayer* ol, real xmin,real xmax, real ymin,real ymax, int Aligned, int *tl, int *tr, int* tu, int* tb){
  642. int l,r,u,b;
  643. if(Aligned){ OUR_XXYY_TO_COL_ROW_ALIGNED }else{ OUR_XXYY_TO_COL_ROW_RANGE; }
  644. for(int row=b;row<=u;row++){
  645. for(int col=l;col<=r;col++){
  646. our_LayerEnsureTileDirect(ol,row,col);
  647. }
  648. }
  649. *tl=l; *tr=r; *tu=u; *tb=b;
  650. }
  651. void our_TileTextureToImage(OurTexTile* ot, int SX, int SY, int composite){
  652. if(!ot->Texture) return;
  653. int bufsize=sizeof(uint16_t)*OUR_TILE_W_USE*OUR_TILE_W_USE*4;
  654. ot->Data=malloc(bufsize); int seam=OUR_TILE_SEAM; int width=OUR_TILE_W_USE;
  655. tnsBindTexture(ot->Texture); glPixelStorei(GL_PACK_ALIGNMENT, 2);
  656. glGetTextureSubImage(ot->Texture->GLTexHandle, 0, seam, seam, 0, width, width,1, GL_RGBA, GL_UNSIGNED_SHORT, bufsize, ot->Data);
  657. if(composite){
  658. for(int row=0;row<OUR_TILE_W_USE;row++){
  659. for(int col=0;col<OUR_TILE_W_USE;col++){
  660. our_CanvasAlphaMix(&Our->ImageBuffer[((SY+row)*Our->ImageW+SX+col)*4], &ot->Data[(row*OUR_TILE_W_USE+col)*4]);
  661. }
  662. }
  663. }else{
  664. for(int row=0;row<OUR_TILE_W_USE;row++){
  665. memcpy(&Our->ImageBuffer[((SY+row)*Our->ImageW+SX)*4],&ot->Data[(row*OUR_TILE_W_USE)*4],sizeof(uint16_t)*4*OUR_TILE_W_USE);
  666. }
  667. }
  668. free(ot->Data); ot->Data=0;
  669. }
  670. void our_TileImageToTexture(OurTexTile* ot, int SX, int SY){
  671. if(!ot->Texture) return;
  672. int pl=(SX!=0)?OUR_TILE_SEAM:0, pr=((SX+OUR_TILE_W_USE)!=Our->ImageW)?OUR_TILE_SEAM:0;
  673. int pu=(SY!=0)?OUR_TILE_SEAM:0, pb=((SY+OUR_TILE_W_USE)!=Our->ImageH)?OUR_TILE_SEAM:0;
  674. int bufsize=sizeof(uint16_t)*(OUR_TILE_W+pl+pr)*(OUR_TILE_W+pu+pb)*4;
  675. ot->Data=malloc(bufsize); int width=OUR_TILE_W_USE+pl+pr, height=OUR_TILE_W_USE+pu+pb;
  676. for(int row=0;row<height;row++){
  677. memcpy(&ot->Data[((row)*width)*4],&Our->ImageBuffer[((SY+row-pu)*Our->ImageW+SX-pl)*4],sizeof(uint16_t)*4*width);
  678. }
  679. if(!our_BufferAnythingVisible(ot->Data, bufsize/sizeof(uint16_t)/4)){ tnsDeleteTexture(ot->Texture); ot->Texture=0; }
  680. else{
  681. tnsBindTexture(ot->Texture);
  682. glTexSubImage2D(GL_TEXTURE_2D, 0, OUR_TILE_SEAM-pl, OUR_TILE_SEAM-pu, width, height, GL_RGBA, GL_UNSIGNED_SHORT, ot->Data);
  683. }
  684. free(ot->Data); ot->Data=0;
  685. }
  686. int our_LayerEnsureImageBuffer(OurLayer* ol, int OnlyCalculate){
  687. int l=1000,r=-1000,u=-1000,b=1000; int any=0;
  688. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!ol->TexTiles[row]) continue;
  689. if(row<b) b=row; if(row>u) u=row;
  690. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!ol->TexTiles[row][col]) continue;
  691. if(col<l) l=col; if(col>r) r=col; any++;
  692. }
  693. }
  694. if(!any) return 0;
  695. Our->ImageW = OUR_TILE_W_USE*(r-l+1); Our->ImageH = OUR_TILE_W_USE*(u-b+1);
  696. Our->ImageX =((real)l-OUR_TILE_CTR-0.5)*OUR_TILE_W_USE; Our->ImageY=((real)b-OUR_TILE_CTR-0.5)*OUR_TILE_W_USE;
  697. if(!OnlyCalculate){
  698. if(Our->ImageBuffer) free(Our->ImageBuffer);
  699. Our->ImageBuffer = calloc(Our->ImageW*4,Our->ImageH*sizeof(uint16_t));
  700. }
  701. return 1;
  702. }
  703. int our_CanvasEnsureImageBuffer(){
  704. int x=INT_MAX,y=INT_MAX,w=-INT_MAX,h=-INT_MAX;
  705. for(OurLayer* l=Our->Layers.pFirst;l;l=l->Item.pNext){
  706. our_LayerEnsureImageBuffer(l,1);
  707. if(Our->ImageX<x) x=Our->ImageX; if(Our->ImageY<y) y=Our->ImageY;
  708. if(Our->ImageW>w) w=Our->ImageW; if(Our->ImageH>h) h=Our->ImageH;
  709. }
  710. if(w<0||h<0) return 0;
  711. Our->ImageX=x; Our->ImageY=y; Our->ImageW=w; Our->ImageH=h;
  712. if(Our->ImageBuffer) free(Our->ImageBuffer);
  713. Our->ImageBuffer = calloc(Our->ImageW*4,Our->ImageH*sizeof(uint16_t));
  714. return 1;
  715. }
  716. void our_CanvasFillImageBufferBackground(){
  717. int count=Our->ImageW*Our->ImageH;
  718. Our->BColorU16[0]=Our->BackgroundColor[0]*65535; Our->BColorU16[1]=Our->BackgroundColor[1]*65535;
  719. Our->BColorU16[2]=Our->BackgroundColor[2]*65535; Our->BColorU16[3]=65535;
  720. for(int i=0;i<count;i++){
  721. uint16_t* p=&Our->ImageBuffer[i*4]; tnsVectorSet4v(p,Our->BColorU16);
  722. }
  723. }
  724. void our_LayerToImageBuffer(OurLayer* ol, int composite){
  725. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!ol->TexTiles[row]) continue;
  726. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!ol->TexTiles[row][col]) continue;
  727. int sx=ol->TexTiles[row][col]->l+OUR_TILE_SEAM,sy=ol->TexTiles[row][col]->b+OUR_TILE_SEAM;
  728. our_TileTextureToImage(ol->TexTiles[row][col], sx-Our->ImageX, sy-Our->ImageY, composite);
  729. }
  730. }
  731. }
  732. void our_LayerToTexture(OurLayer* ol){
  733. for(int row=0;row<OUR_TILES_PER_ROW;row++){ if(!ol->TexTiles[row]) continue;
  734. for(int col=0;col<OUR_TILES_PER_ROW;col++){ if(!ol->TexTiles[row][col]) continue;
  735. int sx=ol->TexTiles[row][col]->l+OUR_TILE_SEAM,sy=ol->TexTiles[row][col]->b+OUR_TILE_SEAM;
  736. our_TileImageToTexture(ol->TexTiles[row][col], sx-Our->ImageX, sy-Our->ImageY);
  737. }
  738. }
  739. }
  740. void our_GetFinalDimension(int UseFrame, int* x, int* y, int* w, int* h){
  741. if(UseFrame){ *x=Our->X; *y=Our->Y; *w=Our->W; *h=Our->H; }
  742. else{ *x=Our->ImageX; *y=Our->ImageY; *w=Our->ImageW; *h=Our->ImageH; }
  743. printf("%d %d %d %d, %d %d %d %d\n",Our->X, Our->Y, Our->W, Our->H,Our->ImageX, Our->ImageY, Our->ImageW, Our->ImageH);
  744. }
  745. #define GET_FINAL_ROW_TYPE(TYPE)\
  746. TYPE* our_GetFinalRow_##TYPE(int UseFrame, int row, int x, int y, int w, int h, TYPE* temp){\
  747. if(!UseFrame) return &((TYPE*)Our->ImageBuffer)[Our->ImageW*(Our->ImageH-row-1)*4];\
  748. int userow=(h-row-1)-(Our->ImageY-(y-h));\
  749. if(userow<0 || userow>=Our->ImageH){ for(int i=0;i<w;i++){ tnsVectorSet4v(&temp[i*4],Our->BColorU16); } return temp; }\
  750. int sstart=x>Our->ImageX?x-Our->ImageX:0, tstart=x>Our->ImageX?0:Our->ImageX-x;\
  751. int slen=(x+w>Our->ImageX+Our->ImageW)?(Our->ImageW-sstart):(Our->ImageW-sstart-(Our->ImageX+Our->ImageW-x-w));\
  752. for(int i=0;i<sstart;i++){ tnsVectorSet4v(&temp[i*4],Our->BColorU16); }\
  753. for(int i=sstart+slen;i<w;i++){ tnsVectorSet4v(&temp[i*4],Our->BColorU16); }\
  754. memcpy(&temp[tstart*4],&((TYPE*)Our->ImageBuffer)[(Our->ImageW*(userow)+sstart)*4],slen*sizeof(TYPE)*4);\
  755. return temp;\
  756. }
  757. GET_FINAL_ROW_TYPE(uint16_t)
  758. GET_FINAL_ROW_TYPE(uint8_t)
  759. typedef void* (*ourGetFinalRowFunc)(int UseFrame, int row, int x, int y, int w, int h, void* temp);
  760. static void _our_png_write(png_structp png_ptr, png_bytep data, png_size_t length){
  761. OurLayerWrite* LayerWrite=png_get_io_ptr(png_ptr);
  762. arrEnsureLength(&LayerWrite->data,LayerWrite->NextData+length,&LayerWrite->MaxData,sizeof(unsigned char));
  763. memcpy(&LayerWrite->data[LayerWrite->NextData], data, length);
  764. LayerWrite->NextData+=length;
  765. }
  766. void our_ImageConvertForExport(int BitDepth, int ColorProfile){
  767. uint8_t* NewImage;
  768. cmsHTRANSFORM cmsTransform = NULL;
  769. cmsHPROFILE input_buffer_profile = NULL;
  770. cmsHPROFILE output_buffer_profile = NULL;
  771. if(BitDepth==OUR_EXPORT_BIT_DEPTH_16){ return; /* only export 16bit flat */ }
  772. input_buffer_profile=(Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_CLAY)?
  773. cmsOpenProfileFromMem(Our->icc_LinearClay,Our->iccsize_LinearClay):cmsOpenProfileFromMem(Our->icc_LinearsRGB,Our->iccsize_LinearsRGB);
  774. if(ColorProfile!=OUR_EXPORT_COLOR_MODE_FLAT){
  775. if(ColorProfile==OUR_EXPORT_COLOR_MODE_SRGB){ output_buffer_profile=cmsOpenProfileFromMem(Our->icc_sRGB,Our->iccsize_sRGB); }
  776. elif(ColorProfile==OUR_EXPORT_COLOR_MODE_CLAY){ output_buffer_profile=cmsOpenProfileFromMem(Our->icc_Clay,Our->iccsize_Clay); }
  777. cmsTransform = cmsCreateTransform(input_buffer_profile, TYPE_RGBA_16, output_buffer_profile, TYPE_RGBA_16, INTENT_PERCEPTUAL, 0);
  778. cmsDoTransform(cmsTransform,Our->ImageBuffer,Our->ImageBuffer,Our->ImageW*Our->ImageH);
  779. cmsCloseProfile(input_buffer_profile);cmsCloseProfile(output_buffer_profile); cmsDeleteTransform(cmsTransform);
  780. }
  781. NewImage=calloc(Our->ImageW*sizeof(uint8_t),Our->ImageH*4);
  782. for(int row=0;row<Our->ImageH;row++){
  783. for(int col=0;col<Our->ImageW;col++){ uint8_t* p=&NewImage[(row*Our->ImageW+col)*4]; uint16_t* p0=&Our->ImageBuffer[(row*Our->ImageW+col)*4];
  784. p[0]=((real)p0[0]+0.5)/256; p[1]=((real)p0[1]+0.5)/256; p[2]=((real)p0[2]+0.5)/256; p[3]=((real)p0[3]+0.5)/256;
  785. }
  786. }
  787. free(Our->ImageBuffer); Our->ImageBuffer=NewImage;
  788. }
  789. int our_ImageExportPNG(FILE* fp, int WriteToBuffer, void** buf, int* sizeof_buf, int UseFrame, int BitDepth, int ColorProfile){
  790. if((!fp)&&(!WriteToBuffer)) return 0;
  791. if(!Our->ImageBuffer) return 0;
  792. int UseBitDepth,ElemSize; void* use_icc=0; int use_icc_size;
  793. ourGetFinalRowFunc GetFinalRow;
  794. if(BitDepth==OUR_EXPORT_BIT_DEPTH_16){ UseBitDepth=16; ElemSize=sizeof(uint16_t); ColorProfile=OUR_EXPORT_COLOR_MODE_FLAT; GetFinalRow=our_GetFinalRow_uint16_t; }
  795. else{ UseBitDepth=8; ElemSize=sizeof(uint8_t); GetFinalRow=our_GetFinalRow_uint8_t; }
  796. png_structp png_ptr=png_create_write_struct(PNG_LIBPNG_VER_STRING,0,0,0);
  797. png_infop info_ptr = png_create_info_struct(png_ptr);
  798. OurLayerWrite LayerWrite={0};
  799. if(WriteToBuffer){
  800. arrEnsureLength(&LayerWrite.data,0,&LayerWrite.MaxData,sizeof(unsigned char));
  801. png_set_write_fn(png_ptr,&LayerWrite,_our_png_write,0);
  802. }else{
  803. png_init_io(png_ptr, fp);
  804. }
  805. int X,Y,W,H; our_GetFinalDimension(UseFrame, &X,&Y,&W,&H);
  806. png_set_IHDR(png_ptr, info_ptr,W,H,UseBitDepth,PNG_COLOR_TYPE_RGBA,PNG_INTERLACE_NONE,PNG_COMPRESSION_TYPE_BASE,PNG_FILTER_TYPE_BASE);
  807. if(ColorProfile==OUR_EXPORT_COLOR_MODE_SRGB){ png_set_sRGB(png_ptr,info_ptr,PNG_sRGB_INTENT_PERCEPTUAL);use_icc=Our->icc_sRGB;use_icc_size=Our->iccsize_sRGB; }
  808. elif(ColorProfile==OUR_EXPORT_COLOR_MODE_CLAY){ use_icc=Our->icc_Clay;use_icc_size=Our->iccsize_Clay; }
  809. elif(ColorProfile==OUR_EXPORT_COLOR_MODE_FLAT){
  810. if(Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_SRGB){use_icc=Our->icc_LinearsRGB;use_icc_size=Our->iccsize_LinearsRGB;}
  811. elif(Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_CLAY){use_icc=Our->icc_LinearClay;use_icc_size=Our->iccsize_LinearClay;}
  812. }
  813. if(use_icc){ png_set_iCCP(png_ptr,info_ptr,"LA_PROFILE",PNG_COMPRESSION_TYPE_BASE,use_icc,use_icc_size); }
  814. png_write_info(png_ptr, info_ptr);
  815. png_set_swap(png_ptr);
  816. char* temp_row=calloc(W,ElemSize*4);
  817. for(int i=0;i<H;i++){
  818. char* final=GetFinalRow(UseFrame,i,X,Y,W,H,temp_row);
  819. png_write_row(png_ptr, (png_const_bytep)final);
  820. }
  821. png_write_end(png_ptr, info_ptr);
  822. png_destroy_write_struct(&png_ptr, &info_ptr);
  823. if(Our->ImageBuffer){ free(Our->ImageBuffer); Our->ImageBuffer=0; }
  824. if(WriteToBuffer){ *buf=LayerWrite.data; *sizeof_buf=LayerWrite.NextData; }
  825. return 1;
  826. }
  827. void our_EnsureImageBufferOnRead(OurLayer*l, int W, int H, int UseOffsets, int StartX, int StartY){
  828. int tw=W/OUR_TILE_W_USE, th=H/OUR_TILE_W_USE;
  829. int w=tw*OUR_TILE_W_USE, h=th*OUR_TILE_W_USE;
  830. if(w<W){ tw+=1; w+=OUR_TILE_W_USE; } if(h<H){ th+=1; h+=OUR_TILE_W_USE; }
  831. int ix=UseOffsets?StartX:(-tw/2*OUR_TILE_W_USE-OUR_TILE_W_USE/2);
  832. int iy=UseOffsets?StartY:(th/2*OUR_TILE_W_USE+OUR_TILE_W_USE/2);
  833. int tl,tr,tu,tb;
  834. our_LayerEnsureTiles(l,ix,ix+W,iy-H,iy,1,&tl,&tr,&tu,&tb);
  835. our_LayerEnsureImageBuffer(l, 0);
  836. Our->LoadX = ix-Our->ImageX; Our->LoadY = Our->ImageY+Our->ImageH-iy;
  837. }
  838. static void _our_png_read(png_struct *ps, png_byte *data, png_size_t length){
  839. OurLayerRead *LayerRead = (OurLayerRead*)png_get_io_ptr(ps);
  840. memcpy(data,&LayerRead->data[LayerRead->NextData],length);
  841. LayerRead->NextData+=length;
  842. }
  843. int our_PeekPNG(FILE* fp, int* HasProfile, int* HassRGB, laSafeString** iccName){
  844. png_structp png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING,0,0,0); if (!png_ptr) { return 0; }
  845. png_infop info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) { return 0; }
  846. png_init_io(png_ptr, fp);
  847. png_read_info(png_ptr, info_ptr);
  848. int srgb_intent = 0;
  849. png_charp icc_profile_name = NULL;
  850. png_uint_32 icc_proflen = 0;
  851. int icc_compression_type = 0;
  852. cmsHPROFILE input_buffer_profile = NULL;
  853. cmsHTRANSFORM cmsTransform = NULL;
  854. cmsToneCurve *cmsToneCurve = NULL;
  855. cmsUInt32Number input_buffer_format = 0;
  856. #if PNG_LIBPNG_VER < 10500 // 1.5.0beta36, according to libpng CHANGES
  857. png_charp icc_profile = NULL;
  858. #else
  859. png_bytep icc_profile = NULL;
  860. #endif
  861. if(png_get_iCCP (png_ptr, info_ptr, &icc_profile_name, &icc_compression_type, &icc_profile, &icc_proflen)) {
  862. input_buffer_profile = cmsOpenProfileFromMem(icc_profile, icc_proflen);
  863. if(!input_buffer_profile) { goto cleanup_png_peek; }
  864. cmsColorSpaceSignature cs_sig = cmsGetColorSpace(input_buffer_profile);
  865. if (cs_sig != cmsSigRgbData) { logPrint(" png has grayscale iCCP, OurPaint doesn't supported that yet, will load as sRGB.\n");
  866. cmsCloseProfile(input_buffer_profile); input_buffer_profile = NULL; }
  867. else{
  868. char* desc="UNAMED PROFILE";
  869. cmsUInt32Number len=cmsGetProfileInfoASCII(input_buffer_profile,cmsInfoDescription,"en","US",0,0);
  870. if(len){ desc=calloc(1,sizeof(char)*len); cmsGetProfileInfoASCII(input_buffer_profile,cmsInfoDescription,"en","US",desc,len); }
  871. logPrint(" png has iCCP: %s.\n", desc); strSafeSet(iccName, desc); if(len){ free(desc); }
  872. }
  873. }elif(png_get_sRGB(png_ptr,info_ptr,&srgb_intent)){
  874. logPrint(" png is sRGB.\n");
  875. *HassRGB=1;
  876. }else{
  877. // should use png_get_cHRM and png_get_gAMA, but for simplicity we just treat them as srgb,
  878. logPrint(" png doesn't contain iCCP or sRGB flags, assuming sRGB.\n");
  879. *HassRGB=0;
  880. }
  881. cleanup_png_peek:
  882. if(input_buffer_profile) cmsCloseProfile(input_buffer_profile);
  883. if(png_ptr && info_ptr) png_destroy_read_struct(&png_ptr,&info_ptr,0);
  884. return 1;
  885. }
  886. int our_LayerImportPNG(OurLayer* l, FILE* fp, void* buf, int InputProfileMode, int OutputProfileMode, int UseOffsets, int StartX, int StartY){
  887. int result=0;
  888. if((!fp&&!buf) || !l) return 0;
  889. int srgb_intent = 0;
  890. png_charp icc_profile_name = NULL;
  891. png_uint_32 icc_proflen = 0;
  892. int icc_compression_type = 0;
  893. cmsHPROFILE input_buffer_profile = NULL;
  894. cmsHPROFILE output_buffer_profile = NULL;
  895. cmsHTRANSFORM cmsTransform = NULL;
  896. cmsToneCurve *cmsToneCurve = NULL;
  897. cmsUInt32Number input_buffer_format = 0;
  898. #if PNG_LIBPNG_VER < 10500 // 1.5.0beta36, according to libpng CHANGES
  899. png_charp icc_profile = NULL;
  900. #else
  901. png_bytep icc_profile = NULL;
  902. #endif
  903. OurLayerRead LayerRead={0};
  904. png_structp png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING,0,0,0); if (!png_ptr) { return 0; }
  905. png_infop info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) { return 0; }
  906. if (setjmp(png_jmpbuf(png_ptr))) { goto cleanup_png_read; }
  907. if(buf){
  908. LayerRead.data=buf; png_set_read_fn(png_ptr, &LayerRead, _our_png_read);
  909. }else{
  910. png_init_io(png_ptr, fp);
  911. }
  912. png_read_info(png_ptr, info_ptr);
  913. png_set_swap(png_ptr);
  914. int UseSRGB=0;
  915. if(InputProfileMode==1){
  916. if(png_get_iCCP (png_ptr, info_ptr, &icc_profile_name, &icc_compression_type, &icc_profile, &icc_proflen)) {
  917. input_buffer_profile = cmsOpenProfileFromMem(icc_profile, icc_proflen);
  918. if(!input_buffer_profile) { goto cleanup_png_read; }
  919. cmsColorSpaceSignature cs_sig = cmsGetColorSpace(input_buffer_profile);
  920. if (cs_sig != cmsSigRgbData) { /*no grayscale icc*/ cmsCloseProfile(input_buffer_profile); input_buffer_profile = NULL; }
  921. else{
  922. char* desc="UNAMED PROFILE";
  923. cmsUInt32Number len=cmsGetProfileInfoASCII(input_buffer_profile,cmsInfoDescription,"en","US",0,0);
  924. if(len){ desc=calloc(1,sizeof(char)*len); cmsGetProfileInfoASCII(input_buffer_profile,cmsInfoDescription,"en","US",desc,len); free(desc); }
  925. }
  926. }
  927. }
  928. if (png_get_interlace_type (png_ptr, info_ptr) != PNG_INTERLACE_NONE){ logPrint(" Interlaced png not supported.\n");
  929. goto cleanup_png_read;
  930. }
  931. png_byte ColorType = png_get_color_type(png_ptr, info_ptr);
  932. png_byte BitDepth = png_get_bit_depth(png_ptr, info_ptr);
  933. int HasAlpha = ColorType & PNG_COLOR_MASK_ALPHA;
  934. if (ColorType == PNG_COLOR_TYPE_PALETTE) { png_set_palette_to_rgb(png_ptr); }
  935. //if (ColorType == PNG_COLOR_TYPE_GRAY && BitDepth < 8) { png_set_expand_gray_1_2_4_to_8(png_ptr); }
  936. if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { png_set_tRNS_to_alpha(png_ptr); HasAlpha = 1; }
  937. if (BitDepth<16) { png_set_expand_16(png_ptr); }
  938. if (!HasAlpha) { png_set_add_alpha(png_ptr, 0xFFFF, PNG_FILLER_AFTER); }
  939. if (ColorType == PNG_COLOR_TYPE_GRAY || ColorType == PNG_COLOR_TYPE_GRAY_ALPHA) { png_set_gray_to_rgb(png_ptr); }
  940. png_read_update_info(png_ptr, info_ptr);
  941. if (png_get_bit_depth(png_ptr, info_ptr)!=16) {
  942. logPrint(" Can't convert png into 16 bits per channel, aborting.\n"); goto cleanup_png_read;
  943. }
  944. if (png_get_color_type(png_ptr, info_ptr) != PNG_COLOR_TYPE_RGB_ALPHA) {
  945. logPrint(" Can't convert png into RGBA format, aborting.\n"); goto cleanup_png_read;
  946. }
  947. if (png_get_channels(png_ptr, info_ptr) != 4) {
  948. logPrint(" Can't convert png into 4 channel RGBA format, aborting.\n"); goto cleanup_png_read;
  949. }
  950. #ifdef CMS_USE_BIG_ENDIAN
  951. input_buffer_format = TYPE_RGBA_16;
  952. #else
  953. input_buffer_format = TYPE_RGBA_16_SE;
  954. #endif
  955. int W = png_get_image_width(png_ptr, info_ptr);
  956. int H = png_get_image_height(png_ptr, info_ptr);
  957. our_EnsureImageBufferOnRead(l,W,H,UseOffsets,StartX,StartY);
  958. for(int i=0;i<H;i++){
  959. png_read_row(png_ptr, &Our->ImageBuffer[((H-i-1+Our->LoadY)*Our->ImageW+Our->LoadX)*4], NULL);
  960. }
  961. if(InputProfileMode && OutputProfileMode && (InputProfileMode!=OutputProfileMode)){
  962. void* icc=0; int iccsize=0;
  963. if(!input_buffer_profile){
  964. if(InputProfileMode==OUR_PNG_READ_INPUT_SRGB){ icc=Our->icc_sRGB; iccsize=Our->iccsize_sRGB; }
  965. elif(InputProfileMode==OUR_PNG_READ_INPUT_CLAY){ icc=Our->icc_Clay; iccsize=Our->iccsize_Clay; }
  966. elif(InputProfileMode==OUR_PNG_READ_INPUT_LINEAR_SRGB){ icc=Our->icc_LinearsRGB; iccsize=Our->iccsize_LinearsRGB; }
  967. elif(InputProfileMode==OUR_PNG_READ_INPUT_LINEAR_CLAY){ icc=Our->icc_LinearClay; iccsize=Our->iccsize_LinearClay; }
  968. input_buffer_profile=cmsOpenProfileFromMem(icc, iccsize);
  969. }
  970. icc=0; iccsize=0;
  971. if(OutputProfileMode==OUR_PNG_READ_OUTPUT_LINEAR_SRGB){ icc=Our->icc_LinearsRGB; iccsize=Our->iccsize_LinearsRGB; }
  972. elif(OutputProfileMode==OUR_PNG_READ_OUTPUT_LINEAR_CLAY){ icc=Our->icc_LinearClay; iccsize=Our->iccsize_LinearClay; }
  973. output_buffer_profile=cmsOpenProfileFromMem(icc, iccsize);
  974. if(input_buffer_profile && output_buffer_profile){
  975. cmsTransform = cmsCreateTransform(input_buffer_profile, TYPE_RGBA_16, output_buffer_profile, TYPE_RGBA_16, INTENT_PERCEPTUAL, 0);
  976. cmsDoTransform(cmsTransform,Our->ImageBuffer,Our->ImageBuffer,Our->ImageW*Our->ImageH);
  977. }
  978. }
  979. our_LayerToTexture(l);
  980. result=1;
  981. cleanup_png_read:
  982. if(input_buffer_profile) cmsCloseProfile(input_buffer_profile);
  983. if(output_buffer_profile) cmsCloseProfile(output_buffer_profile);
  984. if(cmsTransform) cmsDeleteTransform(cmsTransform);
  985. if(png_ptr && info_ptr) png_destroy_read_struct(&png_ptr,&info_ptr,0);
  986. if(Our->ImageBuffer){ free(Our->ImageBuffer); Our->ImageBuffer=0; }
  987. return result;
  988. }
  989. void our_UiToCanvas(laCanvasExtra* ex, laEvent*e, real* x, real *y){
  990. *x = (real)((real)e->x - (real)(ex->ParentUi->R - ex->ParentUi->L) / 2 - ex->ParentUi->L) * ex->ZoomX + ex->PanX;
  991. *y = (real)((real)(ex->ParentUi->B - ex->ParentUi->U) / 2 - (real)e->y + ex->ParentUi->U) * ex->ZoomY + ex->PanY;
  992. }
  993. void our_PaintResetBrushState(OurBrush* b){
  994. b->BrushRemainingDist = 0; b->SmudgeAccum=0; b->SmudgeRestart=1;
  995. }
  996. real our_PaintGetDabStepDistance(real Size,real DabsPerSize){
  997. real d=Size/DabsPerSize; if(d<1e-2) d=1e-2; return d;
  998. }
  999. int our_PaintGetDabs(OurBrush* b, OurLayer* l, real x, real y, real xto, real yto,
  1000. real last_pressure, real last_angle_x, real last_angle_y, real pressure, real angle_x, real angle_y,
  1001. int *tl, int *tr, int* tu, int* tb, real* r_xto, real* r_yto){
  1002. Our->NextDab=0;
  1003. if(!b->EvalDabsPerSize) b->EvalDabsPerSize=b->DabsPerSize;
  1004. real smfac=(1-b->Smoothness/1.1); xto=tnsLinearItp(x,xto,smfac); yto=tnsLinearItp(y,yto,smfac); *r_xto=xto; *r_yto=yto;
  1005. real size=b->Size; real dd=our_PaintGetDabStepDistance(b->EvalSize, b->EvalDabsPerSize); real len=tnsDistIdv2(x,y,xto,yto); real rem=b->BrushRemainingDist;
  1006. real alllen=len+rem; real uselen=dd,step=0; if(!len)return 0; if(dd>alllen){ b->BrushRemainingDist+=len; return 0; }
  1007. real xmin=FLT_MAX,xmax=-FLT_MAX,ymin=FLT_MAX,ymax=-FLT_MAX;
  1008. b->EvalSize=b->Size; b->EvalHardness=b->Hardness; b->EvalSmudge=b->Smudge; b->EvalSmudgeLength=b->SmudgeResampleLength;
  1009. b->EvalTransparency=b->Transparency; b->EvalDabsPerSize=b->DabsPerSize; b->EvalSlender=b->Slender; b->EvalAngle=b->Angle;
  1010. b->EvalSpeed=tnsDistIdv2(x,y,xto,yto)/b->Size;
  1011. if(Our->ResetBrush){ b->LastX=x; b->LastY=y; b->LastAngle=atan2(yto-y,xto-x); b->EvalStrokeLength=0; Our->ResetBrush=0; }
  1012. real this_angle=atan2(yto-y,xto-x);
  1013. while(1){
  1014. arrEnsureLength(&Our->Dabs,Our->NextDab,&Our->MaxDab,sizeof(OurDab)); OurDab* od=&Our->Dabs[Our->NextDab];
  1015. real r=tnsGetRatiod(0,len,uselen-rem); od->X=tnsInterpolate(x,xto,r); od->Y=tnsInterpolate(y,yto,r); TNS_CLAMP(r,0,1);
  1016. b->LastX=od->X; b->LastY=od->Y; tnsVectorSet3v(b->EvalColor, Our->CurrentColor);
  1017. if(b->UseNodes){
  1018. b->EvalPressure=tnsInterpolate(last_pressure,pressure,r); b->EvalPosition[0]=od->X; b->EvalPosition[1]=od->Y;
  1019. b->EvalOffset[0]=0; b->EvalOffset[1]=0; b->EvalStrokeAngle=tnsInterpolate(b->LastAngle,this_angle,r);
  1020. b->EvalTilt[0]=tnsInterpolate(last_angle_x,angle_x,r); b->EvalTilt[1]=tnsInterpolate(last_angle_y,angle_y,r);
  1021. ourEvalBrush();
  1022. TNS_CLAMP(b->EvalSmudge,0,1); TNS_CLAMP(b->EvalSmudgeLength,0,100000); TNS_CLAMP(b->EvalTransparency,0,1); TNS_CLAMP(b->EvalHardness,0,1); TNS_CLAMP(b->DabsPerSize,0,100000);
  1023. od->X+=b->EvalOffset[0]; od->Y+=b->EvalOffset[1];
  1024. }
  1025. if(!b->EvalDabsPerSize) b->EvalDabsPerSize=1;
  1026. #define pfac(psw) (((!b->UseNodes)&&psw)?tnsInterpolate(last_pressure,pressure,r):1)
  1027. od->Size = b->EvalSize*pfac(b->PressureSize); od->Hardness = b->EvalHardness*pfac(b->PressureHardness);
  1028. od->Smudge = b->EvalSmudge*pfac(b->PressureSmudge); od->Color[3]=pow(b->EvalTransparency*pfac(b->PressureTransparency),2.718);
  1029. tnsVectorSet3v(od->Color,b->EvalColor);
  1030. #undef pfac;
  1031. od->Slender = b->EvalSlender; od->Angle=b->EvalAngle;
  1032. xmin=TNS_MIN2(xmin, od->X-od->Size); xmax=TNS_MAX2(xmax, od->X+od->Size);
  1033. ymin=TNS_MIN2(ymin, od->Y-od->Size); ymax=TNS_MAX2(ymax, od->Y+od->Size);
  1034. if(od->Size>1e-1) Our->NextDab++;
  1035. step=our_PaintGetDabStepDistance(od->Size, b->EvalDabsPerSize);
  1036. b->EvalStrokeLength+=step/b->Size; b->EvalStrokeLengthAccum+=step/b->Size; if(b->EvalStrokeLengthAccum>1e6){b->EvalStrokeLengthAccum-=1e6;}
  1037. od->ResampleSmudge=0;
  1038. if(b->Smudge>1e-3){ b->SmudgeAccum+=step;
  1039. if(b->SmudgeAccum>(b->EvalSmudgeLength*od->Size)){ b->SmudgeAccum-=(b->EvalSmudgeLength*od->Size); od->ResampleSmudge=1; }
  1040. od->Recentness=b->SmudgeAccum/b->EvalSmudgeLength/od->Size;
  1041. }else{od->Recentness=0;}
  1042. if(step+uselen<alllen)uselen+=step; else break;
  1043. }
  1044. b->LastAngle=this_angle;
  1045. b->BrushRemainingDist=alllen-uselen;
  1046. if(Our->NextDab) {
  1047. our_LayerEnsureTiles(l,xmin,xmax,ymin,ymax,0,tl,tr,tu,tb);
  1048. Our->xmin=TNS_MIN2(Our->xmin,xmin);Our->xmax=TNS_MAX2(Our->xmax,xmax);Our->ymin=TNS_MIN2(Our->ymin,ymin);Our->ymax=TNS_MAX2(Our->ymax,ymax);
  1049. return 1;
  1050. }
  1051. return 0;
  1052. }
  1053. void our_PaintDoSample(int x, int y, int sx, int sy, int ssize, int last,int begin_stroke){
  1054. glUniform2i(Our->uBrushCorner,x-sx,y-sy);
  1055. glUniform2f(Our->uBrushCenter,x-sx,y-sy);
  1056. glUniform1f(Our->uBrushSize, ssize);
  1057. glUniform1i(Our->uBrushErasing,last?(begin_stroke?2:1):0);
  1058. glDispatchCompute(1,1,1);
  1059. glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
  1060. }
  1061. void our_PaintDoDab(OurDab* d, int tl, int tr, int tu, int tb){
  1062. int corner[2]; corner[0]=floorf(d->X-d->Size); corner[1]=floorf(d->Y-d->Size);
  1063. real MaxX,MaxY; MaxX=ceil(d->X+d->Size); MaxY=ceil(d->Y+d->Size);
  1064. if(corner[0]>tr||MaxX<tl||corner[1]>tb||MaxY<tu) return;
  1065. corner[0]=corner[0]-tl; corner[1]=corner[1]-tu;
  1066. float center[2]; center[0]=d->X-tl; center[1]=d->Y-tu;
  1067. glUniform2iv(Our->uBrushCorner,1,corner);
  1068. glUniform2fv(Our->uBrushCenter,1,center);
  1069. glUniform1f(Our->uBrushSize,d->Size);
  1070. glUniform1f(Our->uBrushHardness,d->Hardness);
  1071. glUniform1f(Our->uBrushSmudge,d->Smudge);
  1072. glUniform1f(Our->uBrushSlender,d->Slender);
  1073. glUniform1f(Our->uBrushAngle,d->Angle);
  1074. glUniform1f(Our->uBrushRecentness,d->Recentness);
  1075. glUniform4fv(Our->uBrushColor,1,d->Color);
  1076. glDispatchCompute(ceil(d->Size/16), ceil(d->Size/16), 1);
  1077. glMemoryBarrier(GL_SHADER_IMAGE_ACCESS_BARRIER_BIT);
  1078. }
  1079. void our_PaintDoDabs(OurLayer* l,int tl, int tr, int tu, int tb, int Start, int End){
  1080. for(int row=tb;row<=tu;row++){
  1081. for(int col=tl;col<=tr;col++){
  1082. OurTexTile* ott=l->TexTiles[row][col];
  1083. glBindImageTexture(0, ott->Texture->GLTexHandle, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA16);
  1084. int sx=l->TexTiles[row][col]->l,sy=l->TexTiles[row][col]->b;
  1085. for(int i=Start;i<End;i++){
  1086. our_PaintDoDab(&Our->Dabs[i],sx,sx+OUR_TILE_W,sy,sy+OUR_TILE_W);
  1087. }
  1088. }
  1089. }
  1090. }
  1091. STRUCTURE(OurSmudgeSegement){
  1092. laListItem Item;
  1093. int Start,End,Resample;
  1094. };
  1095. void our_PaintDoDabsWithSmudgeSegments(OurLayer* l,int tl, int tr, int tu, int tb){
  1096. laListHandle Segments={0}; int from=0,to=Our->NextDab; if(!Our->NextDab) return;
  1097. OurSmudgeSegement* oss;
  1098. oss=lstAppendPointerSized(&Segments, 0,sizeof(OurSmudgeSegement));
  1099. for(int i=1;i<to;i++){
  1100. if(Our->Dabs[i].ResampleSmudge){ oss->Start=from; oss->End=i; from=i;
  1101. oss=lstAppendPointerSized(&Segments, 0,sizeof(OurSmudgeSegement)); oss->Resample=1;
  1102. }
  1103. }
  1104. oss->Start=from; oss->End=to;
  1105. if(Our->Dabs[0].ResampleSmudge){ ((OurSmudgeSegement*)Segments.pFirst)->Resample=1; }
  1106. glUseProgram(Our->CanvasProgram);
  1107. glUniform1i(Our->uBrushErasing,Our->Erasing);
  1108. while(oss=lstPopItem(&Segments)){
  1109. if(oss->Resample || Our->CurrentBrush->SmudgeRestart){
  1110. glUniformSubroutinesuiv(GL_COMPUTE_SHADER,1,&Our->RoutineDoSample);
  1111. int x=Our->Dabs[oss->Start].X, y=Our->Dabs[oss->Start].Y; float ssize=Our->Dabs[oss->Start].Size+1.5;
  1112. int colmax=(int)(floor(OUR_TILE_CTR+(float)(x+ssize)/OUR_TILE_W_USE+0.5)); TNS_CLAMP(colmax,0,OUR_TILES_PER_ROW-1);
  1113. int rowmax=(int)(floor(OUR_TILE_CTR+(float)(y+ssize)/OUR_TILE_W_USE+0.5)); TNS_CLAMP(rowmax,0,OUR_TILES_PER_ROW-1);
  1114. int colmin=(int)(floor(OUR_TILE_CTR+(float)(x-ssize)/OUR_TILE_W_USE+0.5)); TNS_CLAMP(colmin,0,OUR_TILES_PER_ROW-1);
  1115. int rowmin=(int)(floor(OUR_TILE_CTR+(float)(y-ssize)/OUR_TILE_W_USE+0.5)); TNS_CLAMP(rowmin,0,OUR_TILES_PER_ROW-1);
  1116. glBindImageTexture(1, Our->SmudgeTexture->GLTexHandle, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA16);
  1117. for(int col=colmin;col<=colmax;col++){
  1118. for(int row=rowmin;row<=rowmax;row++){
  1119. glBindImageTexture(0, l->TexTiles[row][col]->Texture->GLTexHandle, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA16);
  1120. int sx=l->TexTiles[row][col]->l,sy=l->TexTiles[row][col]->b;
  1121. our_PaintDoSample(x,y,sx,sy,ssize,(col==colmax)&&(row==rowmax),Our->CurrentBrush->SmudgeRestart);
  1122. }
  1123. }
  1124. Our->CurrentBrush->SmudgeRestart=0;
  1125. glUniformSubroutinesuiv(GL_COMPUTE_SHADER,1,&Our->RoutineDoDabs);
  1126. glUniform1i(Our->uBrushErasing,Our->Erasing);
  1127. }
  1128. //printf("from to %d %d %d\n", oss->Start,oss->End,Our->Dabs[oss->Start].ResampleSmudge);
  1129. our_PaintDoDabs(l,tl,tr,tu,tb,oss->Start,oss->End);
  1130. }
  1131. }
  1132. void our_EnsureEraser(int EventIsEraser){
  1133. if(EventIsEraser==Our->EventErasing){ return; }
  1134. printf("ev e %d %d\n", Our->EventErasing, Our->Erasing);
  1135. int erasing=Our->Erasing; int num=0;
  1136. if(EventIsEraser && (!Our->EventErasing)){ num=TNS_MAX2(Our->EraserID,num);
  1137. for(OurBrush* b=Our->Brushes.pFirst;b;b=b->Item.pNext){
  1138. if(b->Binding==num){ ourset_CurrentBrush(Our,b); laNotifyUsers("our.tools.brushes"); break; }
  1139. }
  1140. Our->Erasing=1; Our->EventErasing=1; laNotifyUsers("our.erasing");
  1141. }
  1142. elif((!EventIsEraser) && Our->EventErasing){ num=TNS_MAX2(Our->PenID,num);
  1143. for(OurBrush* b=Our->Brushes.pFirst;b;b=b->Item.pNext){
  1144. if(b->Binding==num){ ourset_CurrentBrush(Our,b); laNotifyUsers("our.tools.brushes"); break; }
  1145. }
  1146. Our->Erasing=0; Our->EventErasing=0; laNotifyUsers("our.erasing");
  1147. }
  1148. }
  1149. void our_ReadWidgetColor(laCanvasExtra*e,int x,int y){
  1150. float color[4]; real rcolor[3],xyz[3];
  1151. glBindFramebuffer(GL_READ_FRAMEBUFFER, e->OffScr->FboHandle);
  1152. glReadBuffer(GL_COLOR_ATTACHMENT0);
  1153. glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
  1154. glReadPixels(x,y,1,1, GL_RGBA, GL_FLOAT, color);
  1155. color[0]*=color[3];color[1]*=color[3];color[2]*=color[3];tnsVectorSet3v(Our->CurrentColor,color);
  1156. }
  1157. void our_StartCropping(OurCanvasDraw* cd){
  1158. if(cd->CanvasDownX<Our->X){
  1159. if(cd->CanvasDownY<Our->Y-Our->H){ cd->AtCrop=OUR_AT_CROP_BL; }
  1160. elif(cd->CanvasDownY>=Our->Y-Our->H&&cd->CanvasDownY<=Our->Y){ cd->AtCrop=OUR_AT_CROP_L; }
  1161. elif(cd->CanvasDownY>Our->Y){ cd->AtCrop=OUR_AT_CROP_UL; }
  1162. }elif(cd->CanvasDownX>=Our->X&&cd->CanvasDownX<=Our->X+Our->W){
  1163. if(cd->CanvasDownY<Our->Y-Our->H){ cd->AtCrop=OUR_AT_CROP_B; }
  1164. elif(cd->CanvasDownY>=Our->Y-Our->H&&cd->CanvasDownY<=Our->Y){ cd->AtCrop=OUR_AT_CROP_CENTER; }
  1165. elif(cd->CanvasDownY>Our->Y){ cd->AtCrop=OUR_AT_CROP_U; }
  1166. }elif(cd->CanvasDownX>Our->X+Our->W){
  1167. if(cd->CanvasDownY<Our->Y-Our->H){ cd->AtCrop=OUR_AT_CROP_BR; }
  1168. elif(cd->CanvasDownY>=Our->Y-Our->H&&cd->CanvasDownY<=Our->Y){ cd->AtCrop=OUR_AT_CROP_R; }
  1169. elif(cd->CanvasDownY>Our->Y){ cd->AtCrop=OUR_AT_CROP_UR; }
  1170. }
  1171. }
  1172. void our_DoCropping(OurCanvasDraw* cd, real x, real y){
  1173. int dx=x-cd->CanvasLastX, dy=y-cd->CanvasLastY;
  1174. if(cd->AtCrop==OUR_AT_CROP_B||cd->AtCrop==OUR_AT_CROP_BL||cd->AtCrop==OUR_AT_CROP_BR){ Our->H-=dy; }
  1175. if(cd->AtCrop==OUR_AT_CROP_U||cd->AtCrop==OUR_AT_CROP_UL||cd->AtCrop==OUR_AT_CROP_UR){ Our->Y+=dy; Our->H+=dy; }
  1176. if(cd->AtCrop==OUR_AT_CROP_L||cd->AtCrop==OUR_AT_CROP_BL||cd->AtCrop==OUR_AT_CROP_UL){ Our->X+=dx; Our->W-=dx; }
  1177. if(cd->AtCrop==OUR_AT_CROP_R||cd->AtCrop==OUR_AT_CROP_BR||cd->AtCrop==OUR_AT_CROP_UR){ Our->W+=dx; }
  1178. if(cd->AtCrop==OUR_AT_CROP_CENTER){ Our->Y+=dy; Our->X+=dx; }
  1179. if(Our->W<32) Our->W=32; if(Our->H<32) Our->H=32;
  1180. cd->CanvasLastX+=dx; cd->CanvasLastY+=dy;
  1181. }
  1182. int ourinv_NewLayer(laOperator* a, laEvent* e){
  1183. our_NewLayer("Our Layer"); laNotifyUsers("our.canvas.layers"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1184. laRecordDifferences(0,"our.canvas.layers");laRecordDifferences(0,"our.canvas.current_layer");laPushDifferences("New Layer",0);
  1185. return LA_FINISHED;
  1186. }
  1187. int ourinv_RemoveLayer(laOperator* a, laEvent* e){
  1188. OurLayer* l=a->This?a->This->EndInstance:0; if(!l) return LA_CANCELED;
  1189. our_RemoveLayer(l); laNotifyUsers("our.canvas.layers"); laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1190. laRecordDifferences(0,"our.canvas.layers");laRecordDifferences(0,"our.canvas.current_layer");laPushDifferences("Remove Layer",0);
  1191. return LA_FINISHED;
  1192. }
  1193. int ourinv_MoveLayer(laOperator* a, laEvent* e){
  1194. OurLayer* l=a->This?a->This->EndInstance:0; if(!l) return LA_CANCELED; int changed=0;
  1195. char* direction=strGetArgumentString(a->ExtraInstructionsP,"direction");
  1196. if(strSame(direction,"up")&&l->Item.pPrev){ lstMoveUp(&Our->Layers, l); changed=1; }
  1197. elif(l->Item.pNext){ lstMoveDown(&Our->Layers, l); changed=1; }
  1198. if(changed){ laNotifyUsers("our.canvas.layers"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst); laRecordDifferences(0,"our.canvas.layers"); laPushDifferences("Move Layer",0); }
  1199. return LA_FINISHED;
  1200. }
  1201. int ourchk_MergeLayer(laPropPack *This, laStringSplitor *ss){
  1202. OurLayer* l=This->EndInstance; if(!l || !l->Item.pNext) return 0;
  1203. OurLayer* nl=l->Item.pNext; if(l->Lock || l->Transparency==1 || nl->Lock || nl->Transparency==1) return 0;
  1204. return 1;
  1205. }
  1206. int ourinv_MergeLayer(laOperator* a, laEvent* e){
  1207. OurLayer* l=a->This?a->This->EndInstance:0; if(!l || !l->Item.pNext) return LA_CANCELED;
  1208. OurLayer* nl=l->Item.pNext; if(l->Lock || l->Transparency==1 || nl->Lock || nl->Transparency==1) return LA_CANCELED;
  1209. if(our_MergeLayer(l)){ laNotifyUsers("our.canvas"); laNotifyUsers("our.canvas.layers"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst); }
  1210. return LA_FINISHED;
  1211. }
  1212. int ourchk_ExportLayer(laPropPack *This, laStringSplitor *ss){
  1213. OurLayer* ol=This?This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return 0; return 1;
  1214. }
  1215. int ourinv_ExportLayer(laOperator* a, laEvent* e){
  1216. OurLayer* ol=a->This?a->This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return LA_FINISHED;
  1217. laInvoke(a, "LA_file_dialog", e, 0, "warn_file_exists=true;filter_extensions=png;use_extension=png", 0);
  1218. return LA_RUNNING;
  1219. }
  1220. int ourmod_ExportLayer(laOperator* a, laEvent* e){
  1221. OurLayer* ol=a->This?a->This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return LA_FINISHED;
  1222. if (a->ConfirmData){
  1223. if (a->ConfirmData->StrData){
  1224. if(!our_LayerEnsureImageBuffer(ol, 0)) return LA_FINISHED;
  1225. FILE* fp=fopen(a->ConfirmData->StrData,"wb");
  1226. if(!fp) return LA_FINISHED;
  1227. our_LayerToImageBuffer(ol, 0);
  1228. our_ImageExportPNG(fp, 0, 0, 0, 0, OUR_EXPORT_BIT_DEPTH_16, OUR_EXPORT_COLOR_MODE_FLAT);
  1229. fclose(fp);
  1230. }
  1231. return LA_FINISHED;
  1232. }
  1233. return LA_RUNNING;
  1234. }
  1235. int ourinv_ImportLayer(laOperator* a, laEvent* e){
  1236. OurLayer* ol=a->This?a->This->EndInstance:0;
  1237. a->CustomData=memAcquire(sizeof(OurPNGReadExtra));
  1238. laInvoke(a, "LA_file_dialog", e, 0, "filter_extensions=png;use_extension=png", 0);
  1239. return LA_RUNNING;
  1240. }
  1241. int ourmod_ImportLayer(laOperator* a, laEvent* e){
  1242. OurLayer* ol=a->This?a->This->EndInstance:0;
  1243. OurPNGReadExtra* ex=a->CustomData;
  1244. if(!ex->Confirming){
  1245. if (a->ConfirmData){
  1246. if (a->ConfirmData->StrData){
  1247. FILE* fp=fopen(a->ConfirmData->StrData,"rb"); if(!fp) return LA_FINISHED;
  1248. if(!our_PeekPNG(fp,&ex->HasProfile, &ex->HassRGB, &ex->iccName)){ fclose(fp); return LA_FINISHED; }
  1249. else{ ex->Confirming=1; fclose(fp); strSafeSet(&ex->FilePath,a->ConfirmData->StrData);
  1250. if(ex->HasProfile){ex->InputMode=OUR_PNG_READ_INPUT_ICC;}
  1251. else{ ex->InputMode=OUR_PNG_READ_INPUT_SRGB; }
  1252. laEnableOperatorPanel(a,a->This,e->x,e->y,300,200,0,0,0,0,0,0,0,0,e); return LA_RUNNING;
  1253. }
  1254. }
  1255. return LA_FINISHED;
  1256. }
  1257. }else{
  1258. if (a->ConfirmData){
  1259. if (a->ConfirmData->Mode==LA_CONFIRM_OK){
  1260. FILE* fp=fopen(ex->FilePath->Ptr,"rb"); if(!fp) return LA_FINISHED;
  1261. if(!ol) ol=our_NewLayer("Imported");
  1262. int OutMode=ex->OutputMode?ex->OutputMode:((Our->ColorInterpretation==OUR_CANVAS_INTERPRETATION_SRGB)?OUR_PNG_READ_OUTPUT_LINEAR_SRGB:OUR_PNG_READ_OUTPUT_LINEAR_CLAY);
  1263. our_LayerImportPNG(ol, fp, 0, ex->InputMode, OutMode, 0, 0, 0);
  1264. laNotifyUsers("our.canvas"); laNotifyUsers("our.canvas.layers"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1265. laRecordDifferences(0,"our.canvas.layers");laRecordDifferences(0,"our.canvas.current_layer");laPushDifferences("New Layer",0);
  1266. our_LayerRefreshLocal(ol);
  1267. fclose(fp);
  1268. }
  1269. return LA_FINISHED;
  1270. }
  1271. }
  1272. return LA_RUNNING;
  1273. }
  1274. void ourexit_ImportLayer(laOperator* a, int result){
  1275. OurPNGReadExtra* ex=a->CustomData;
  1276. strSafeDestroy(&ex->FilePath);
  1277. memFree(ex);
  1278. }
  1279. void ourui_ImportLayer(laUiList *uil, laPropPack *This, laPropPack *Operator, laColumn *UNUSED, int context){
  1280. laColumn* c = laFirstColumn(uil),*cl,*cr; laSplitColumn(uil,c,0.5);cl=laLeftColumn(c,0);cr=laRightColumn(c,0);
  1281. laUiItem* b;
  1282. laShowLabel(uil,c,"Select the importing behavior:",0,0);
  1283. laShowLabel(uil,cl,"Input:",0,0); laShowItem(uil,cl,Operator,"input_mode");
  1284. b=laOnConditionThat(uil,c,laNot(laEqual(laPropExpression(Operator,"input_mode"),laIntExpression(OUR_PNG_READ_INPUT_FLAT))));{
  1285. laShowLabel(uil,cr,"Output:",0,0); laShowItem(uil,cr,Operator,"output_mode");
  1286. laShowLabel(uil,cl,"Canvas:",0,0)->Flags|=LA_TEXT_ALIGN_RIGHT; laShowItem(uil,cr,0,"our.canvas.color_interpretation");
  1287. }laEndCondition(uil,b);
  1288. b=laOnConditionThat(uil,c,laPropExpression(Operator,"has_profile"));{
  1289. laShowLabel(uil,c,"Input image has built-in color profile:",0,0);
  1290. laShowItem(uil,cl,Operator,"icc_name")->Flags|=LA_TEXT_MONO;
  1291. }laElse(uil,b);{
  1292. laShowLabel(uil,c,"Input image does not have a built-in color profile.",0,0)->Flags|=LA_UI_FLAGS_DISABLED;
  1293. }laEndCondition(uil,b);
  1294. b=laOnConditionThat(uil,c,laPropExpression(Operator,"has_srgb"));{
  1295. laShowLabel(uil,c,"Input image is tagged as sRGB.",0,0);
  1296. }laElse(uil,b);{
  1297. laShowLabel(uil,c,"Input image is not tagged as sRGB.",0,0)->Flags|=LA_UI_FLAGS_DISABLED;
  1298. }laEndCondition(uil,b);
  1299. b=laBeginRow(uil,c,0,0);laShowSeparator(uil,c)->Expand=1;laShowItem(uil,c,0,"LA_confirm")->Flags|=LA_UI_FLAGS_HIGHLIGHT;laEndRow(uil,b);
  1300. }
  1301. int ourchk_ExportImage(laPropPack *This, laStringSplitor *ss){
  1302. OurLayer* ol=This?This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return 0; return 1;
  1303. }
  1304. int ourinv_ExportImage(laOperator* a, laEvent* e){
  1305. OurLayer* ol=a->This?a->This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return LA_FINISHED;
  1306. a->CustomData=memAcquire(sizeof(OurPNGWriteExtra));
  1307. laInvoke(a, "LA_file_dialog", e, 0, "warn_file_exists=true;filter_extensions=png;use_extension=png", 0);
  1308. return LA_RUNNING;
  1309. }
  1310. int ourmod_ExportImage(laOperator* a, laEvent* e){
  1311. OurLayer* ol=a->This?a->This->EndInstance:0; if(!ol) ol=Our->CurrentLayer; if(!ol) return LA_FINISHED;
  1312. OurPNGWriteExtra* ex=a->CustomData;
  1313. if(!ex->Confirming){
  1314. if (a->ConfirmData){
  1315. if (a->ConfirmData->StrData){
  1316. strSafeSet(&ex->FilePath,a->ConfirmData->StrData); ex->Confirming=1;
  1317. ex->ColorProfile=Our->DefaultColorProfile; ex->BitDepth=Our->DefaultBitDepth;
  1318. laEnableOperatorPanel(a,a->This,e->x,e->y,200,200,0,0,0,0,0,0,0,0,e); return LA_RUNNING;
  1319. }
  1320. return LA_FINISHED;
  1321. }
  1322. }else{
  1323. if (a->ConfirmData){
  1324. if (a->ConfirmData->Mode==LA_CONFIRM_OK){
  1325. if(!our_CanvasEnsureImageBuffer()) return LA_FINISHED;
  1326. FILE* fp=fopen(ex->FilePath->Ptr,"wb");
  1327. if(!fp) return LA_FINISHED;
  1328. our_CanvasFillImageBufferBackground();
  1329. for(OurLayer* l=Our->Layers.pLast;l;l=l->Item.pPrev){
  1330. our_LayerToImageBuffer(ol, 1);
  1331. }
  1332. our_ImageConvertForExport(ex->BitDepth, ex->ColorProfile);
  1333. our_ImageExportPNG(fp, 0, 0, 0, Our->ShowBorder, ex->BitDepth, ex->ColorProfile);
  1334. fclose(fp);
  1335. }
  1336. return LA_FINISHED;
  1337. }
  1338. }
  1339. return LA_RUNNING;
  1340. }
  1341. void ourexit_ExportImage(laOperator* a, int result){
  1342. OurPNGWriteExtra* ex=a->CustomData;
  1343. strSafeDestroy(&ex->FilePath);
  1344. memFree(ex);
  1345. }
  1346. void ourui_ExportImage(laUiList *uil, laPropPack *This, laPropPack *Operator, laColumn *UNUSED, int context){
  1347. laColumn* c = laFirstColumn(uil),*cl,*cr; laSplitColumn(uil,c,0.5);cl=laLeftColumn(c,0);cr=laRightColumn(c,0);
  1348. laUiItem* b;
  1349. laShowLabel(uil,c,"Select the exporting behavior:",0,0);
  1350. laShowLabel(uil,cl,"Bit Depth:",0,0); laShowItem(uil,cl,Operator,"bit_depth");
  1351. b=laOnConditionThat(uil,c,laEqual(laPropExpression(Operator,"bit_depth"),laIntExpression(OUR_EXPORT_BIT_DEPTH_16)));{
  1352. laShowLabel(uil,c,"16 bit images would be exported in the same linear color space as the canvas",0,0)->Flags|=LA_UI_FLAGS_DISABLED|LA_TEXT_LINE_WRAP;
  1353. }laElse(uil,b);{
  1354. laShowLabel(uil,cr,"Color Space:",0,0); laShowItem(uil,cr,Operator,"color_profile");
  1355. }laEndCondition(uil,b);
  1356. laShowLabel(uil,cl,"Canvas Current:",0,0)->Flags|=LA_TEXT_ALIGN_RIGHT; laShowItem(uil,cr,0,"our.canvas.color_interpretation");
  1357. b=laBeginRow(uil,c,0,0);laShowSeparator(uil,c)->Expand=1;laShowItem(uil,c,0,"LA_confirm")->Flags|=LA_UI_FLAGS_HIGHLIGHT;laEndRow(uil,b);
  1358. }
  1359. int ourinv_NewBrush(laOperator* a, laEvent* e){
  1360. our_NewBrush("Our Brush",15,0.95,9,0.5,0.5,5,0,0,0,0);
  1361. laNotifyUsers("our.tools.current_brush"); laNotifyUsers("our.tools.brushes"); laRecordInstanceDifferences(Our,"our_tools"); laPushDifferences("Add brush",0);
  1362. return LA_FINISHED;
  1363. }
  1364. int ourinv_RemoveBrush(laOperator* a, laEvent* e){
  1365. OurBrush* b=a->This?a->This->EndInstance:0; if(!b) return LA_CANCELED;
  1366. our_RemoveBrush(b);
  1367. laNotifyUsers("our.tools.current_brush"); laNotifyUsers("our.tools.brushes"); laRecordInstanceDifferences(Our,"our_tools"); laPushDifferences("Remove brush",0);
  1368. return LA_FINISHED;
  1369. }
  1370. int ourinv_MoveBrush(laOperator* a, laEvent* e){
  1371. OurBrush* b=a->This?a->This->EndInstance:0; if(!b) return LA_CANCELED;
  1372. char* direction=strGetArgumentString(a->ExtraInstructionsP,"direction");
  1373. if(strSame(direction,"up")&&b->Item.pPrev){ lstMoveUp(&Our->Brushes, b); }
  1374. elif(b->Item.pNext){ lstMoveDown(&Our->Brushes, b); }
  1375. laNotifyUsers("our.tools.brushes"); laRecordInstanceDifferences(Our,"our_tools"); laPushDifferences("Move brush",0);
  1376. return LA_FINISHED;
  1377. }
  1378. void ourset_CurrentBrush(void* unused, OurBrush* b);
  1379. int ourinv_BrushQuickSwitch(laOperator* a, laEvent* e){
  1380. char* id=strGetArgumentString(a->ExtraInstructionsP,"binding"); if(!id){ return LA_CANCELED; }
  1381. int num; int ret=sscanf(id,"%d",&num); if(ret>9||ret<0){ return LA_CANCELED; }
  1382. for(OurBrush* b=Our->Brushes.pFirst;b;b=b->Item.pNext){
  1383. if(b->Binding==num){
  1384. ourset_CurrentBrush(Our,b); laNotifyUsers("our.tools.brushes"); break;
  1385. }
  1386. }
  1387. return LA_FINISHED;
  1388. }
  1389. int ourinv_BrushResize(laOperator* a, laEvent* e){
  1390. OurBrush* b=Our->CurrentBrush; if(!b) return LA_CANCELED;
  1391. char* direction=strGetArgumentString(a->ExtraInstructionsP,"direction");
  1392. if(strSame(direction,"bigger")){ b->Size*=1.1; }else{ b->Size/=1.1; }
  1393. TNS_CLAMP(b->Size,0,1000);
  1394. laNotifyUsers("our.tools.current_brush.size");
  1395. return LA_FINISHED;
  1396. }
  1397. int ourinv_Action(laOperator* a, laEvent* e){
  1398. OurLayer* l=Our->CurrentLayer; OurCanvasDraw *ex = a->This?a->This->EndInstance:0; OurBrush* ob=Our->CurrentBrush; if(!l||!ex||!ob) return LA_CANCELED;
  1399. our_PaintResetBrushState(ob);
  1400. real x,y; our_UiToCanvas(&ex->Base,e,&x,&y); ex->CanvasLastX=x;ex->CanvasLastY=y;ex->LastPressure=-1;ex->LastTilt[0]=e->AngleX;ex->LastTilt[1]=e->AngleY;
  1401. ex->CanvasDownX=x; ex->CanvasDownY=y;
  1402. Our->ActiveTool=Our->Tool; Our->CurrentScale = 1.0f/ex->Base.ZoomX;
  1403. Our->xmin=FLT_MAX;Our->xmax=-FLT_MAX;Our->ymin=FLT_MAX;Our->ymax=-FLT_MAX; Our->ResetBrush=1; ex->HideBrushCircle=1;
  1404. if(Our->ActiveTool==OUR_TOOL_CROP){ if(!Our->ShowBorder) return LA_FINISHED; our_StartCropping(ex); }
  1405. if(l->Hide || l->Transparency==1 || l->Lock){ return LA_FINISHED; }
  1406. Our->LockBackground=1; laNotifyUsers("our.lock_background");
  1407. our_EnsureEraser(e->IsEraser);
  1408. laHideCursor();
  1409. return LA_RUNNING;
  1410. }
  1411. int ourmod_Paint(laOperator* a, laEvent* e){
  1412. OurLayer* l=Our->CurrentLayer; OurCanvasDraw *ex = a->This?a->This->EndInstance:0; OurBrush* ob=Our->CurrentBrush; if(!l||!ex||!ob) return LA_CANCELED;
  1413. if(e->Type==LA_L_MOUSE_UP || e->Type==LA_R_MOUSE_DOWN || e->Type==LA_ESCAPE_DOWN){
  1414. our_RecordUndo(l,Our->xmin,Our->xmax,Our->ymin,Our->ymax,0,1); ex->HideBrushCircle=0; laShowCursor();
  1415. return LA_FINISHED;
  1416. }
  1417. if(e->Type==LA_MOUSEMOVE||e->Type==LA_L_MOUSE_DOWN){
  1418. real x,y; our_UiToCanvas(&ex->Base,e,&x,&y);
  1419. int tl,tr,tu,tb; if(ex->LastPressure<0){ ex->LastPressure=e->Pressure; }
  1420. if(our_PaintGetDabs(ob,l,ex->CanvasLastX,ex->CanvasLastY,x,y,
  1421. ex->LastPressure,ex->LastTilt[0],ex->LastTilt[1],e->Pressure,e->AngleX,e->AngleY,&tl,&tr,&tu,&tb,&ex->CanvasLastX,&ex->CanvasLastY)){
  1422. our_PaintDoDabsWithSmudgeSegments(l,tl,tr,tu,tb);
  1423. laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1424. }
  1425. ex->LastPressure=e->Pressure;ex->LastTilt[0]=e->AngleX;ex->LastTilt[1]=e->AngleY;
  1426. }
  1427. return LA_RUNNING;
  1428. }
  1429. int ourmod_Crop(laOperator* a, laEvent* e){
  1430. OurLayer* l=Our->CurrentLayer; OurCanvasDraw *ex = a->This?a->This->EndInstance:0; OurBrush* ob=Our->CurrentBrush; if(!l||!ex||!ob) return LA_CANCELED;
  1431. if(e->Type==LA_L_MOUSE_UP || e->Type==LA_R_MOUSE_DOWN || e->Type==LA_ESCAPE_DOWN){ ex->HideBrushCircle=0; laShowCursor(); return LA_FINISHED; }
  1432. if(e->Type==LA_MOUSEMOVE||e->Type==LA_L_MOUSE_DOWN){
  1433. real x,y; our_UiToCanvas(&ex->Base,e,&x,&y);
  1434. our_DoCropping(ex,x,y);
  1435. laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1436. }
  1437. return LA_RUNNING;
  1438. }
  1439. int ourmod_Action(laOperator* a, laEvent* e){
  1440. OurCanvasDraw *ex = a->This?a->This->EndInstance:0; if(!ex) return LA_CANCELED;
  1441. switch(Our->ActiveTool){
  1442. case OUR_TOOL_PAINT: OurLayer* l=Our->CurrentLayer; OurBrush* ob=Our->CurrentBrush; if(!l||!ob) return LA_CANCELED;
  1443. return ourmod_Paint(a,e);
  1444. case OUR_TOOL_CROP:
  1445. return ourmod_Crop(a,e);
  1446. default: return LA_FINISHED;
  1447. }
  1448. return LA_RUNNING;
  1449. }
  1450. int ourinv_PickColor(laOperator* a, laEvent* e){
  1451. OurLayer* l=Our->CurrentLayer; OurCanvasDraw *ex = a->This?a->This->EndInstance:0; OurBrush* ob=Our->CurrentBrush; if(!l||!ex||!ob) return LA_CANCELED;
  1452. laUiItem* ui=ex->Base.ParentUi; ex->HideBrushCircle=1;
  1453. our_ReadWidgetColor(ex, e->x-ui->L, ui->B-e->y); laNotifyUsers("our.current_color");
  1454. return LA_RUNNING;
  1455. }
  1456. int ourmod_PickColor(laOperator* a, laEvent* e){
  1457. OurLayer* l=Our->CurrentLayer; OurCanvasDraw *ex = a->This?a->This->EndInstance:0; OurBrush* ob=Our->CurrentBrush; if(!l||!ex||!ob) return LA_CANCELED;
  1458. laUiItem* ui=ex->Base.ParentUi;
  1459. if(e->Type==LA_R_MOUSE_UP || e->Type==LA_L_MOUSE_UP || e->Type==LA_ESCAPE_DOWN){ ex->HideBrushCircle=0; return LA_FINISHED; }
  1460. if(e->Type==LA_MOUSEMOVE||e->Type==LA_R_MOUSE_DOWN){
  1461. our_ReadWidgetColor(ex, e->x-ui->L, ui->B-e->y); laNotifyUsers("our.current_color");
  1462. }
  1463. return LA_RUNNING;
  1464. }
  1465. void ourget_CanvasIdentifier(void* unused, char* buf, char** ptr){
  1466. *ptr="Main canvas";
  1467. }
  1468. void* ourget_FirstLayer(void* unused, void* unused1){
  1469. return Our->Layers.pFirst;
  1470. }
  1471. void* ourget_FirstBrush(void* unused, void* unused1){
  1472. return Our->Brushes.pFirst;
  1473. }
  1474. void* ourget_our(void* unused, void* unused1){
  1475. return Our;
  1476. }
  1477. void ourget_LayerTileStart(OurLayer* l, int* xy){
  1478. our_LayerEnsureImageBuffer(l, 1); xy[0]=Our->ImageX; xy[1]=Our->ImageY+Our->ImageH;
  1479. }
  1480. void ourset_LayerTileStart(OurLayer* l, int* xy){
  1481. Our->TempLoadX = xy[0]; Our->TempLoadY = xy[1];
  1482. }
  1483. void* ourget_LayerImage(OurLayer* l, int* r_size, int* r_is_copy){
  1484. void* buf=0;
  1485. if(!our_LayerEnsureImageBuffer(l, 0)){ *r_is_copy=0; return 0; }
  1486. our_LayerToImageBuffer(l, 0);
  1487. if(our_ImageExportPNG(0,1,&buf,r_size, 0, OUR_EXPORT_BIT_DEPTH_16, OUR_EXPORT_COLOR_MODE_FLAT)){ *r_is_copy=1; return buf; }
  1488. *r_is_copy=0; return buf;
  1489. }
  1490. void ourset_LayerImage(OurLayer* l, void* data, int size){
  1491. if(!data) return;
  1492. our_LayerImportPNG(l, 0, data, 0, 0, 1, Our->TempLoadX, Our->TempLoadY);
  1493. }
  1494. void ourset_LayerMove(OurLayer* l, int move){
  1495. if(move<0 && l->Item.pPrev){ lstMoveUp(&Our->Layers, l); laNotifyUsers("our.canvas"); }
  1496. elif(move>0 && l->Item.pNext){ lstMoveDown(&Our->Layers, l); laNotifyUsers("our.canvas"); }
  1497. }
  1498. void ourset_LayerAlpha(OurLayer* l, real a){
  1499. l->Transparency=a; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1500. }
  1501. void ourset_LayerHide(OurLayer* l, int hide){
  1502. l->Hide=hide; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1503. }
  1504. void ourset_LayerBlendMode(OurLayer* l, int mode){
  1505. l->BlendMode=mode; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1506. }
  1507. void ourset_BrushMove(OurBrush* b, int move){
  1508. if(move<0 && b->Item.pPrev){ lstMoveUp(&Our->Brushes, b); laNotifyUsers("our.tools.brushes"); }
  1509. elif(move>0 && b->Item.pNext){ lstMoveDown(&Our->Brushes, b); laNotifyUsers("our.tools.brushes"); }
  1510. }
  1511. void ourset_BackgroundColor(void* unused, real* arr){
  1512. memcpy(Our->BackgroundColor, arr, sizeof(real)*3); laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1513. }
  1514. void ourset_BorderAlpha(void* unused, real a){
  1515. Our->BorderAlpha=a; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1516. }
  1517. void ourset_Tool(void* unused, int a){
  1518. Our->Tool=a; laNotifyUsers("our.canvas");
  1519. }
  1520. void ourset_ShowBorder(void* unused, int a){
  1521. Our->ShowBorder=a; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1522. }
  1523. void ourset_ColorInterpretation(void* unused, int a){
  1524. Our->ColorInterpretation=a; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1525. }
  1526. void ourset_ShowTiles(void* unused, int a){
  1527. Our->ShowTiles=a; laNotifyUsers("our.canvas");
  1528. }
  1529. void ourset_CanvasSize(void* unused, int* wh){
  1530. Our->W=wh[0]; Our->H=wh[1]; if(Our->W<32) Our->W=32; if(Our->H<32) Our->H=32; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1531. }
  1532. void ourset_CanvasPosition(void* unused, int* xy){
  1533. Our->X=xy[0]; Our->Y=xy[1]; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1534. }
  1535. void ourset_LayerPosition(OurLayer* l, int* xy){
  1536. l->OffsetX=xy[0]; l->OffsetY=xy[1]; laNotifyUsers("our.canvas"); laMarkMemChanged(Our->CanvasSaverDummyList.pFirst);
  1537. }
  1538. void ourreset_Canvas(OurPaint* op){
  1539. while(op->Layers.pFirst){ our_RemoveLayer(op->Layers.pFirst); }
  1540. }
  1541. void ourreset_Preferences(OurPaint* op){
  1542. return; //does nothing.
  1543. }
  1544. void ourpropagate_Tools(OurPaint* p, laUDF* udf, int force){
  1545. for(OurBrush* b=p->Brushes.pFirst;b;b=b->Item.pNext){
  1546. if(force || !laget_InstanceActiveUDF(b)){ laset_InstanceUDF(b, udf); }
  1547. }
  1548. }
  1549. void ourset_CurrentBrush(void* unused, OurBrush* b){
  1550. real r; if(Our->LockRadius) r=Our->CurrentBrush?Our->CurrentBrush->Size:15;
  1551. Our->CurrentBrush=b; if(b && Our->LockRadius) b->Size=r;
  1552. if(b->DefaultAsEraser){ Our->Erasing=1; Our->EraserID=b->Binding; }else{ Our->Erasing=0; Our->PenID=b->Binding; }
  1553. laNotifyUsers("our.tools.current_brush"); laDriverRequestRebuild();
  1554. }
  1555. void ourset_CurrentLayer(void* unused, OurLayer*l){
  1556. memAssignRef(Our, &Our->CurrentLayer, l); laNotifyUsers("our.canvas");
  1557. }
  1558. #define OUR_ADD_PRESSURE_SWITCH(p)\
  1559. laAddEnumItemAs(p,"NONE","None","Not using pressure",0,0);\
  1560. laAddEnumItemAs(p,"ENABLED","Enabled","Using pressure",1,0);
  1561. void ourui_MenuButtons(laUiList *uil, laPropPack *pp, laPropPack *actinst, laColumn *extracol, int context){
  1562. laUiList *muil; laColumn *mc,*c = laFirstColumn(uil);
  1563. muil = laMakeMenuPage(uil, c, "File");{
  1564. mc = laFirstColumn(muil);
  1565. laShowLabel(muil, mc, "OurPaint", 0, 0)->Flags|=LA_TEXT_MONO|LA_UI_FLAGS_DISABLED;
  1566. laShowItem(muil, mc, 0, "LA_udf_read");
  1567. laShowItemFull(muil, mc, 0, "LA_managed_save",0,"quiet=true;text=Save;",0,0);
  1568. laShowItem(muil, mc, 0, "LA_managed_save");
  1569. laShowLabel(muil, mc, "Image", 0, 0)->Flags|=LA_TEXT_MONO|LA_UI_FLAGS_DISABLED;
  1570. laShowItem(muil, mc, 0, "OUR_export_image");
  1571. laShowLabel(muil, mc, "Layer", 0, 0)->Flags|=LA_TEXT_MONO|LA_UI_FLAGS_DISABLED;
  1572. laShowItem(muil, mc, 0, "OUR_export_layer");
  1573. laShowItem(muil, mc, 0, "OUR_import_layer");
  1574. laShowLabel(muil, mc, "Others", 0, 0)->Flags|=LA_TEXT_MONO|LA_UI_FLAGS_DISABLED;
  1575. laShowItem(muil, mc, 0, "LA_terminate_program");
  1576. //laui_DefaultMenuButtonsFileEntries(muil,pp,actinst,extracol,0);
  1577. }
  1578. muil = laMakeMenuPage(uil, c, "Edit");{
  1579. mc = laFirstColumn(muil); laui_DefaultMenuButtonsEditEntries(muil,pp,actinst,extracol,0);
  1580. }
  1581. muil = laMakeMenuPage(uil, c, "Options"); {
  1582. mc = laFirstColumn(muil); laui_DefaultMenuButtonsOptionEntries(muil,pp,actinst,extracol,0);
  1583. }
  1584. }
  1585. void ourPreFrame(){
  1586. if(MAIN.Drivers->NeedRebuild){ ourRebuildBrushEval(); }
  1587. }
  1588. void ourPushEverything(){
  1589. laFreeOlderDifferences(0);
  1590. for(OurLayer* ol=Our->Layers.pFirst;ol;ol=ol->Item.pNext){ our_LayerRefreshLocal(ol); }
  1591. }
  1592. void ourRegisterEverything(){
  1593. laPropContainer* pc; laKeyMapper* km; laProp* p; laOperatorType* at;
  1594. laCreateOperatorType("OUR_new_layer","New Layer","Create a new layer",0,0,0,ourinv_NewLayer,0,'+',0);
  1595. laCreateOperatorType("OUR_remove_layer","Remove Layer","Remove this layer",0,0,0,ourinv_RemoveLayer,0,L'🗴',0);
  1596. laCreateOperatorType("OUR_move_layer","Move Layer","Remove this layer",0,0,0,ourinv_MoveLayer,0,0,0);
  1597. laCreateOperatorType("OUR_merge_layer","Merge Layer","Merge this layer with the layer below it",ourchk_MergeLayer,0,0,ourinv_MergeLayer,0,0,0);
  1598. laCreateOperatorType("OUR_export_layer","Export Layer","Export this layer",ourchk_ExportLayer,0,0,ourinv_ExportLayer,ourmod_ExportLayer,L'🖫',0);
  1599. at=laCreateOperatorType("OUR_import_layer","Import Layer","Import a PNG into a layer",0,0,ourexit_ImportLayer,ourinv_ImportLayer,ourmod_ImportLayer,L'🗁',0);
  1600. at->UiDefine=ourui_ImportLayer; pc=laDefineOperatorProps(at, 1);
  1601. laAddStringProperty(pc,"icc_name","ICC Name","The name of the icc profile comes with the image",LA_WIDGET_STRING_PLAIN,0,0,0,1,offsetof(OurPNGReadExtra,iccName),0,0,0,0,LA_READ_ONLY);
  1602. laAddIntProperty(pc,"has_profile","Has Profile","If the importing image has a built-in icc profile",0,0,0,0,0,0,0,0,offsetof(OurPNGReadExtra,HasProfile),0,0,0,0,0,0,0,0,0,0,LA_READ_ONLY);
  1603. laAddIntProperty(pc,"has_srgb","Has sRGB","If the importing image has a sRGB tag",0,0,0,0,0,0,0,0,offsetof(OurPNGReadExtra,HassRGB),0,0,0,0,0,0,0,0,0,0,LA_READ_ONLY);
  1604. p=laAddEnumProperty(pc, "input_mode","Input Mode","Interpret input pixels as one of the supported formats",0,0,0,0,0,offsetof(OurPNGReadExtra,InputMode),0,0,0,0,0,0,0,0,0,0);
  1605. laAddEnumItemAs(p,"FLAT","Flat","Read the image as-is and don't do any color space transformations",OUR_PNG_READ_INPUT_FLAT,0);
  1606. laAddEnumItemAs(p,"ICC","Image ICC","Use the image built-in icc profile",OUR_PNG_READ_INPUT_ICC,0);
  1607. laAddEnumItemAs(p,"SRGB","Force sRGB","Interpret the image as sRGB regardless the image metadata",OUR_PNG_READ_INPUT_SRGB,0);
  1608. laAddEnumItemAs(p,"LINEAR_SRGB","Force Linear sRGB","Interpret the image as Linear sRGB regardless the image metadata",OUR_PNG_READ_INPUT_LINEAR_SRGB,0);
  1609. laAddEnumItemAs(p,"CLAY","Force Clay","Interpret the image as Clay (AdobeRGB 1998 compatible) regardless the image metadata",OUR_PNG_READ_INPUT_CLAY,0);
  1610. laAddEnumItemAs(p,"LINEAR_CLAY","Force Linear Clay","Interpret the image as Linear Clay (AdobeRGB 1998 compatible) regardless the image metadata",OUR_PNG_READ_INPUT_LINEAR_CLAY,0);
  1611. p=laAddEnumProperty(pc, "output_mode","Output Mode","Transform the input pixels to one of the supported formats",0,0,0,0,0,offsetof(OurPNGReadExtra,OutputMode),0,0,0,0,0,0,0,0,0,0);
  1612. laAddEnumItemAs(p,"CANVAS","Follow Canvas","Transform the pixels into current canvas interpretation",OUR_PNG_READ_OUTPUT_CANVAS,0);
  1613. laAddEnumItemAs(p,"LINEAR_SRGB","Linear sRGB","Write sRGB pixels values into canvas regardless of the canvas interpretation",OUR_PNG_READ_OUTPUT_LINEAR_SRGB,0);
  1614. laAddEnumItemAs(p,"LINEAR_CLAY","Linear Clay","Write Clay (AdobeRGB 1998 compatible) pixels values into canvas regardless of the canvas interpretation",OUR_PNG_READ_OUTPUT_LINEAR_CLAY,0);
  1615. laCreateOperatorType("OUR_new_brush","New Brush","Create a new brush",0,0,0,ourinv_NewBrush,0,'+',0);
  1616. laCreateOperatorType("OUR_remove_brush","Remove Brush","Remove this brush",0,0,0,ourinv_RemoveBrush,0,L'🗴',0);
  1617. laCreateOperatorType("OUR_move_brush","Move Brush","Remove this brush",0,0,0,ourinv_MoveBrush,0,0,0);
  1618. laCreateOperatorType("OUR_brush_quick_switch","Brush Quick Switch","Brush quick switch",0,0,0,ourinv_BrushQuickSwitch,0,0,0);
  1619. laCreateOperatorType("OUR_brush_resize","Brush Resize","Brush resize",0,0,0,ourinv_BrushResize,0,0,0);
  1620. laCreateOperatorType("OUR_action","Action","Doing action on a layer",0,0,0,ourinv_Action,ourmod_Action,0,LA_EXTRA_TO_PANEL);
  1621. laCreateOperatorType("OUR_pick","Pick color","Pick color on the widget",0,0,0,ourinv_PickColor,ourmod_PickColor,0,LA_EXTRA_TO_PANEL);
  1622. at=laCreateOperatorType("OUR_export_image","Export Image","Export the image",ourchk_ExportImage,0,ourexit_ExportImage,ourinv_ExportImage,ourmod_ExportImage,L'🖼',0);
  1623. at->UiDefine=ourui_ExportImage; pc=laDefineOperatorProps(at, 1);
  1624. p=laAddEnumProperty(pc, "bit_depth","Bit Depth","How many bits per channel should be used",0,0,0,0,0,offsetof(OurPNGWriteExtra,BitDepth),0,0,0,0,0,0,0,0,0,0);
  1625. laAddEnumItemAs(p,"D8","8 Bits","Use 8 bits per channel",OUR_EXPORT_BIT_DEPTH_8,0);
  1626. laAddEnumItemAs(p,"D16","16 Bits","Use 16 bits per channel",OUR_EXPORT_BIT_DEPTH_16,0);
  1627. p=laAddEnumProperty(pc, "color_profile","Output Mode","Transform the input pixels to one of the supported formats",0,0,0,0,0,offsetof(OurPNGWriteExtra,ColorProfile),0,0,0,0,0,0,0,0,0,0);
  1628. laAddEnumItemAs(p,"FLAT","Flat","Export pixels in current canvans linear color space",OUR_EXPORT_COLOR_MODE_FLAT,0);
  1629. laAddEnumItemAs(p,"SRGB","sRGB","Convert pixels into non-linear sRGB (Most used)",OUR_EXPORT_COLOR_MODE_SRGB,0);
  1630. laAddEnumItemAs(p,"CLAY","Clay","Convert pixels into non-linear Clay (AdobeRGB 1998 compatible)",OUR_EXPORT_COLOR_MODE_CLAY,0);
  1631. laRegisterUiTemplate("panel_canvas", "Canvas", ourui_CanvasPanel, 0, 0,"Our Paint", GL_RGBA16F);
  1632. laRegisterUiTemplate("panel_layers", "Layers", ourui_LayersPanel, 0, 0,0, 0);
  1633. laRegisterUiTemplate("panel_tools", "Tools", ourui_ToolsPanel, 0, 0,0, 0);
  1634. laRegisterUiTemplate("panel_brushes", "Brushes", ourui_BrushesPanel, 0, 0,0, 0);
  1635. laRegisterUiTemplate("panel_color", "Color", ourui_ColorPanel, 0, 0,0, GL_RGBA16F);
  1636. laRegisterUiTemplate("panel_brush_nodes", "Brush Nodes", ourui_BrushPage, 0, 0,0, 0);
  1637. pc=laDefineRoot();
  1638. laAddSubGroup(pc,"our","Our","OurPaint main","our_paint",0,0,0,-1,ourget_our,0,0,0,0,0,0,LA_UDF_SINGLE);
  1639. pc=laAddPropertyContainer("our_paint","Our Paint","OurPaint main",0,0,sizeof(OurPaint),0,0,1);
  1640. laAddSubGroup(pc,"canvas","Canvas","OurPaint canvas","our_canvas",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
  1641. laAddSubGroup(pc,"tools","Tools","OurPaint tools","our_tools",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
  1642. laAddSubGroup(pc,"preferences","Preferences","OurPaint preferences","our_preferences",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
  1643. laAddFloatProperty(pc,"current_color","Current Color","Current color used to paint",0,"R,G,B",0,1,0,0.05,0.8,0,offsetof(OurPaint,CurrentColor),0,0,3,0,0,0,0,0,0,0,LA_PROP_IS_LINEAR_SRGB);
  1644. p=laAddEnumProperty(pc,"tool","Tool","Tool to use on the canvas",0,0,0,0,0,offsetof(OurPaint,Tool),0,ourset_Tool,0,0,0,0,0,0,0,0);
  1645. laAddEnumItemAs(p,"PAINT","Paint","Paint stuff on the canvas",OUR_TOOL_PAINT,L'🖌');
  1646. laAddEnumItemAs(p,"CROP","Cropping","Crop the focused region",OUR_TOOL_CROP,L'🖼');
  1647. p=laAddEnumProperty(pc,"lock_background","Lock background","Lock background color to prevent accidental changes",0,0,0,0,0,offsetof(OurPaint,LockBackground),0,0,0,0,0,0,0,0,0,0);
  1648. laAddEnumItemAs(p,"NONE","Unlocked","You can change background color",0,0);
  1649. laAddEnumItemAs(p,"LOCK","Locked","Background color is locked to prevent accidental changes",1,L'🔏');
  1650. p=laAddEnumProperty(pc,"erasing","Erasing","Is in erasing mode",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurPaint,Erasing),0,0,0,0,0,0,0,0,0,0);
  1651. laAddEnumItemAs(p,"FALSE","Draw","Is drawing mode",0,0);
  1652. laAddEnumItemAs(p,"TRUE","Erase","Is erasing mode",1,0);
  1653. pc=laAddPropertyContainer("our_preferences","Our Preferences","OurPaint preferences",0,0,sizeof(OurPaint),0,0,1);
  1654. laPropContainerExtraFunctions(pc,0,ourreset_Preferences,0,0,0);
  1655. p=laAddEnumProperty(pc,"lock_radius","Lock Radius","Lock radius when changing brushes",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurPaint,LockRadius),0,0,0,0,0,0,0,0,0,0);
  1656. laAddEnumItemAs(p,"FALSE","No","Dont' lock radius",0,0);
  1657. laAddEnumItemAs(p,"TRUE","Yes","Lock radius when changing brushes",1,0);
  1658. p=laAddEnumProperty(pc,"enable_brush_circle","Brush Circle","Enable brush circle when hovering",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurPaint,EnableBrushCircle),0,0,0,0,0,0,0,0,0,0);
  1659. laAddEnumItemAs(p,"FALSE","No","Dont' show brush circle",0,0);
  1660. laAddEnumItemAs(p,"TRUE","Yes","Show brush circle on hover",1,0);
  1661. p=laAddEnumProperty(pc,"show_debug_tiles","Show debug tiles","Whether to show debug tiles",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurPaint,ShowTiles),0,ourset_ShowTiles,0,0,0,0,0,0,0,0);
  1662. laAddEnumItemAs(p,"FALSE","No","Dont' show debug tiles on the canvas",0,0);
  1663. laAddEnumItemAs(p,"TRUE","Yes","Show debug tiles on the canvas",1,0);
  1664. p=laAddEnumProperty(pc,"export_default_bit_depth","Export Default Bit Depth","Default bit depth when exporting images",0,0,0,0,0,offsetof(OurPaint,DefaultBitDepth),0,0,0,0,0,0,0,0,0,0);
  1665. laAddEnumItemAs(p,"D8","8 Bits","Use 8 bits per channel",OUR_EXPORT_BIT_DEPTH_8,0);
  1666. laAddEnumItemAs(p,"D16","16 Bits","Use 16 bits per channel",OUR_EXPORT_BIT_DEPTH_16,0);
  1667. p=laAddEnumProperty(pc, "export_default_color_profile","Export Default Color Profile","Default color profile to use when exporting images",0,0,0,0,0,offsetof(OurPaint,DefaultColorProfile),0,0,0,0,0,0,0,0,0,0);
  1668. laAddEnumItemAs(p,"FLAT","Flat","Export pixels in current canvans linear color space",OUR_EXPORT_COLOR_MODE_FLAT,0);
  1669. laAddEnumItemAs(p,"SRGB","sRGB","Convert pixels into non-linear sRGB (Most used)",OUR_EXPORT_COLOR_MODE_SRGB,0);
  1670. laAddEnumItemAs(p,"CLAY","Clay","Convert pixels into non-linear Clay (AdobeRGB 1998 compatible)",OUR_EXPORT_COLOR_MODE_CLAY,0);
  1671. laAddIntProperty(pc,"paint_undo_limit","Paint Undo Limit","Undo step limit for painting actions.",0,0," Steps",256,5,1,100,0,offsetof(OurPaint,PaintUndoLimit),0,0,0,0,0,0,0,0,0,0,0);
  1672. pc=laAddPropertyContainer("our_tools","Our Tools","OurPaint tools",0,0,sizeof(OurPaint),0,0,1);
  1673. laPropContainerExtraFunctions(pc,0,0,0,ourpropagate_Tools,0);
  1674. laAddSubGroup(pc,"brushes","Brushes","Brushes","our_brush",0,0,ourui_Brush,offsetof(OurPaint,CurrentBrush),0,0,0,ourset_CurrentBrush,0,0,offsetof(OurPaint,Brushes),0);
  1675. laAddSubGroup(pc,"current_brush","Current Brush","Current brush","our_brush",0,0,0,offsetof(OurPaint,CurrentBrush),ourget_FirstBrush,0,laget_ListNext,ourset_CurrentBrush,0,0,0,LA_UDF_REFER);
  1676. pc=laAddPropertyContainer("our_brush","Our Brush","OurPaint brush",0,0,sizeof(OurBrush),0,0,2);
  1677. laAddStringProperty(pc,"name","Name","Name of the layer",0,0,0,0,1,offsetof(OurBrush,Name),0,0,0,0,LA_AS_IDENTIFIER);
  1678. laAddIntProperty(pc,"__move","Move Slider","Move Slider",LA_WIDGET_HEIGHT_ADJUSTER,0,0,0,0,0,0,0,0,0,ourset_BrushMove,0,0,0,0,0,0,0,0,0);
  1679. laAddIntProperty(pc,"binding","Binding","Keyboard binding for shortcut access of the brush",0,0,0,9,-1,1,0,0,offsetof(OurBrush,Binding),0,0,0,0,0,0,0,0,0,0,0);
  1680. laAddFloatProperty(pc,"size_10","~10","Base size(radius) of the brush (max at 10)",0,0,"px",10,0,1,10,0,offsetof(OurBrush,Size),0,0,0,0,0,0,0,0,0,0,LA_UDF_IGNORE);
  1681. laAddFloatProperty(pc,"size_100","~100","Base size(radius) of the brush (max at 100)",0,0,"px",100,0,1,10,0,offsetof(OurBrush,Size),0,0,0,0,0,0,0,0,0,0,LA_UDF_IGNORE);
  1682. laAddFloatProperty(pc,"size","Size","Base size(radius) of the brush",0,0,"px",1000,0,1,10,0,offsetof(OurBrush,Size),0,0,0,0,0,0,0,0,0,0,0);
  1683. laAddFloatProperty(pc,"transparency","Transparency","Transparency of a dab",0,0,0,1,0,0.05,0.5,0,offsetof(OurBrush,Transparency),0,0,0,0,0,0,0,0,0,0,0);
  1684. laAddFloatProperty(pc,"hardness","Hardness","Hardness of the brush",0,0,0,1,0,0.05,0.95,0,offsetof(OurBrush,Hardness),0,0,0,0,0,0,0,0,0,0,0);
  1685. laAddFloatProperty(pc,"smudge","Smudge","Smudge of the brush",0,0,0,1,0,0.05,0.95,0,offsetof(OurBrush,Smudge),0,0,0,0,0,0,0,0,0,0,0);
  1686. laAddFloatProperty(pc,"dabs_per_size","Dabs Per Size","How many dabs per size of the brush",0,0,0,0,0,0,0,0,offsetof(OurBrush,DabsPerSize),0,0,0,0,0,0,0,0,0,0,0);
  1687. laAddFloatProperty(pc,"smudge_resample_length","Smudge Resample Length","How long of a distance (based on size) should elapse before resampling smudge",0,0,0,0,0,0,0,0,offsetof(OurBrush,SmudgeResampleLength),0,0,0,0,0,0,0,0,0,0,0);
  1688. laAddFloatProperty(pc,"slender","Slender","Slenderness of the brush",0,0, 0,10,0,0.1,0,0,offsetof(OurBrush,Slender),0,0,0,0,0,0,0,0,0,0,0);
  1689. laAddFloatProperty(pc,"angle","Angle","Angle of the brush",0,0, 0,TNS_PI,-TNS_PI,0.1,0,0,offsetof(OurBrush,Angle),0,0,0,0,0,0,0,0,0,0,LA_RAD_ANGLE);
  1690. laAddFloatProperty(pc,"smoothness","Smoothness","Smoothness of the brush",0,0, 0,1,0,0.05,0,0,offsetof(OurBrush,Smoothness),0,0,0,0,0,0,0,0,0,0,0);
  1691. p=laAddEnumProperty(pc,"pressure_size","Pressure Size","Use pen pressure to control size",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,PressureSize),0,0,0,0,0,0,0,0,0,0);
  1692. OUR_ADD_PRESSURE_SWITCH(p);
  1693. p=laAddEnumProperty(pc,"pressure_transparency","Pressure Transparency","Use pen pressure to control transparency",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,PressureTransparency),0,0,0,0,0,0,0,0,0,0);
  1694. OUR_ADD_PRESSURE_SWITCH(p);
  1695. p=laAddEnumProperty(pc,"pressure_hardness","Pressure Hardness","Use pen pressure to control hardness",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,PressureHardness),0,0,0,0,0,0,0,0,0,0);
  1696. OUR_ADD_PRESSURE_SWITCH(p);
  1697. p=laAddEnumProperty(pc,"pressure_smudge","Pressure Smudge","Use pen pressure to control smudging",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,PressureSmudge),0,0,0,0,0,0,0,0,0,0);
  1698. OUR_ADD_PRESSURE_SWITCH(p);
  1699. p=laAddEnumProperty(pc,"use_nodes","Use Nodes","Use nodes to control brush dynamics",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,UseNodes),0,0,0,0,0,0,0,0,0,0);
  1700. laAddEnumItemAs(p,"NONE","None","Not using nodes",0,0);
  1701. laAddEnumItemAs(p,"ENABLED","Enabled","Using nodes",1,0);
  1702. laAddSubGroup(pc,"rack_page","Rack Page","Nodes rack page of this brush","la_rack_page",0,0,laui_RackPage,offsetof(OurBrush,Rack),0,0,0,0,0,0,0,LA_UDF_SINGLE|LA_HIDE_IN_SAVE);
  1703. p=laAddEnumProperty(pc,"default_as_eraser","Default as eraser","Use this brush as a eraser by default",LA_WIDGET_ENUM_HIGHLIGHT,0,0,0,0,offsetof(OurBrush,DefaultAsEraser),0,0,0,0,0,0,0,0,0,0);
  1704. laAddEnumItemAs(p,"NONE","None","Default as brush",0,0);
  1705. laAddEnumItemAs(p,"ENABLED","Enabled","Default as eraser",1,0);
  1706. laAddOperatorProperty(pc,"move","Move","Move brush","OUR_move_brush",0,0);
  1707. laAddOperatorProperty(pc,"remove","Remove","Remove brush","OUR_remove_brush",L'🗴',0);
  1708. pc=laAddPropertyContainer("our_canvas","Our Canvas","OurPaint canvas",0,0,sizeof(OurPaint),0,0,1);
  1709. laPropContainerExtraFunctions(pc,0,ourreset_Canvas,0,0,0);
  1710. Our->CanvasSaverDummyProp=laPropContainerManageable(pc, offsetof(OurPaint,CanvasSaverDummyList));
  1711. laAddStringProperty(pc,"identifier","Identifier","Canvas identifier placeholder",0,0,0,0,0,0,0,ourget_CanvasIdentifier,0,0,0);
  1712. laAddSubGroup(pc,"layers","Layers","Layers","our_layer",0,0,ourui_Layer,offsetof(OurPaint,CurrentLayer),0,0,0,0,0,0,offsetof(OurPaint,Layers),0);
  1713. laAddSubGroup(pc,"current_layer","Current Layer","Current layer","our_layer",0,0,0,offsetof(OurPaint,CurrentLayer),ourget_FirstLayer,0,laget_ListNext,0,0,0,0,LA_UDF_REFER);
  1714. laAddIntProperty(pc,"size","Size","Size of the cropping area",0,"X,Y","px",0,0,0,2400,0,offsetof(OurPaint,W),0,0,2,0,0,0,0,ourset_CanvasSize,0,0,0);
  1715. laAddIntProperty(pc,"position","Position","Position of the cropping area",0,"X,Y","px",0,0,0,2400,0,offsetof(OurPaint,X),0,0,2,0,0,0,0,ourset_CanvasPosition,0,0,0);
  1716. laAddFloatProperty(pc,"background_color","Background Color","Background color of the canvas",0,"R,G,B",0,1,0,0.05,0.8,0,offsetof(OurPaint,BackgroundColor),0,0,3,0,0,0,0,ourset_BackgroundColor,0,0,LA_PROP_IS_LINEAR_SRGB);
  1717. laAddFloatProperty(pc,"border_alpha","Border Alpha","Alpha of the border region around the canvas",0,0,0,1,0,0.05,0.5,0,offsetof(OurPaint,BorderAlpha),0,0,0,0,0,0,0,ourset_BorderAlpha,0,0,0);
  1718. p=laAddEnumProperty(pc,"show_border","Show Border","Whether to show border on the canvas",0,0,0,0,0,offsetof(OurPaint,ShowBorder),0,ourset_ShowBorder,0,0,0,0,0,0,0,0);
  1719. laAddEnumItemAs(p,"FALSE","No","Dont' show border on the canvas",0,0);
  1720. laAddEnumItemAs(p,"TRUE","Yes","Show border on the canvas",1,0);
  1721. p=laAddEnumProperty(pc,"color_interpretation","Color Interpretation","Interpret the color values on this canvas as in which color space",0,0,0,0,0,offsetof(OurPaint,ColorInterpretation),0,ourset_ColorInterpretation,0,0,0,0,0,0,0,0);
  1722. laAddEnumItemAs(p,"LINEAR_SRGB","Linear sRGB","Interpret the color values as if they are in Linear sRGB color space",OUR_CANVAS_INTERPRETATION_SRGB,0);
  1723. laAddEnumItemAs(p,"LINEAR_CLAY","Linear Clay","Interpret the color values as if they are in Linear Clay color space (AdobeRGB 1998 compatible)",OUR_CANVAS_INTERPRETATION_CLAY,0);
  1724. pc=laAddPropertyContainer("our_layer","Our Layer","OurPaint layer",0,0,sizeof(OurLayer),0,0,1);
  1725. laPropContainerExtraFunctions(pc,ourbeforefree_Layer,ourbeforefree_Layer,0,0,0);
  1726. laAddStringProperty(pc,"name","Name","Name of the layer",0,0,0,0,1,offsetof(OurLayer,Name),0,0,0,0,LA_AS_IDENTIFIER);
  1727. laAddIntProperty(pc,"__move","Move Slider","Move Slider",LA_WIDGET_HEIGHT_ADJUSTER,0,0,0,0,0,0,0,0,0,ourset_LayerMove,0,0,0,0,0,0,0,0,0);
  1728. laAddIntProperty(pc,"offset","Offset","Offset of the layer",0,"X,Y","px",0,0,0,0,0,offsetof(OurLayer,OffsetX),0,0,2,0,0,0,0,ourset_LayerPosition,0,0,0);
  1729. laAddIntProperty(pc,"tile_start","Tile Start","Tile starting position for loading",0,0,0,0,0,0,0,0,0,0,0,2,0,0,ourget_LayerTileStart,0,ourset_LayerTileStart,0,0,LA_UDF_ONLY);
  1730. p=laAddEnumProperty(pc,"lock","Lock","Lock this layer",0,0,0,0,0,offsetof(OurLayer,Lock),0,0,0,0,0,0,0,0,0,0);
  1731. laAddEnumItemAs(p,"NONE","Paintable","You can paint on this layer",0,L'🖌');
  1732. laAddEnumItemAs(p,"LOCK","Locked","This layer is locked from modification",1,L'🔏');
  1733. p=laAddEnumProperty(pc,"hide","Hide","Hide this layer",0,0,0,0,0,offsetof(OurLayer,Hide),0,ourset_LayerHide,0,0,0,0,0,0,0,0);
  1734. laAddEnumItemAs(p,"NONE","Visible","Layer is visible",0,L'🌑');
  1735. laAddEnumItemAs(p,"HIDE","Hidden","Layer is hidden",1,L'🌔');
  1736. laAddFloatProperty(pc,"transparency","Transparency","Alpha of the layer",0,0,0,1,0,0.05,1,0,offsetof(OurLayer,Transparency),0,0,0,0,0,0,0,ourset_LayerAlpha,0,0,0);
  1737. p=laAddEnumProperty(pc,"blend_mode","Blend Mode","How this layer is blended onto the stuff below",0,0,0,0,0,offsetof(OurLayer,BlendMode),0,ourset_LayerBlendMode,0,0,0,0,0,0,0,0);
  1738. laAddEnumItemAs(p,"NORMAL","Normal","Normal alpha blend",OUR_BLEND_NORMAL,0);
  1739. laAddEnumItemAs(p,"ADD","Add","Pixel values are simply added together",OUR_BLEND_ADD,0);
  1740. laAddRawProperty(pc,"image","Image","The image data of this tile",0,0,ourget_LayerImage,ourset_LayerImage,LA_UDF_ONLY);
  1741. laAddOperatorProperty(pc,"move","Move","Move Layer","OUR_move_layer",0,0);
  1742. laAddOperatorProperty(pc,"remove","Remove","Remove layer","OUR_remove_layer",L'🗴',0);
  1743. laAddOperatorProperty(pc,"merge","Merge","Merge Layer","OUR_merge_layer",L'🠳',0);
  1744. laCanvasTemplate* ct=laRegisterCanvasTemplate("our_CanvasDraw", "our_canvas", ourextramod_Canvas, our_CanvasDrawCanvas, our_CanvasDrawOverlay, our_CanvasDrawInit, la_CanvasDestroy);
  1745. pc = laCanvasHasExtraProps(ct,sizeof(OurCanvasDraw),2);
  1746. km = &ct->KeyMapper;
  1747. laAssignNewKey(km, 0, "LA_2d_view_zoom", LA_KM_SEL_UI_EXTRA, 0, LA_MOUSE_WHEEL_DOWN, 0, "direction=out");
  1748. laAssignNewKey(km, 0, "LA_2d_view_zoom", LA_KM_SEL_UI_EXTRA, 0, LA_MOUSE_WHEEL_UP, 0, "direction=in");
  1749. laAssignNewKey(km, 0, "LA_2d_view_zoom", LA_KM_SEL_UI_EXTRA, 0, LA_KEY_DOWN, ',', "direction=out");
  1750. laAssignNewKey(km, 0, "LA_2d_view_zoom", LA_KM_SEL_UI_EXTRA, 0, LA_KEY_DOWN, '.', "direction=in");
  1751. laAssignNewKey(km, 0, "LA_2d_view_zoom", LA_KM_SEL_UI_EXTRA, LA_KEY_CTRL, LA_L_MOUSE_DOWN, 0, "direction=in");
  1752. laAssignNewKey(km, 0, "LA_2d_view_move", LA_KM_SEL_UI_EXTRA, LA_KEY_ALT, LA_L_MOUSE_DOWN, 0, 0);
  1753. laAssignNewKey(km, 0, "LA_2d_view_move", LA_KM_SEL_UI_EXTRA, 0, LA_M_MOUSE_DOWN, 0, 0);
  1754. laAssignNewKey(km, 0, "OUR_action", LA_KM_SEL_UI_EXTRA, 0, LA_L_MOUSE_DOWN, 0, 0);
  1755. laAssignNewKey(km, 0, "OUR_pick", LA_KM_SEL_UI_EXTRA, 0, LA_R_MOUSE_DOWN, 0, 0);
  1756. laAssignNewKey(km, 0, "OUR_pick", LA_KM_SEL_UI_EXTRA, LA_KEY_CTRL, LA_L_MOUSE_DOWN, 0, 0);
  1757. km=&MAIN.KeyMap; char buf[128];
  1758. for(int i=0;i<=9;i++){
  1759. sprintf(buf,"binding=%d",i); laAssignNewKey(km, 0, "OUR_brush_quick_switch", 0, 0, LA_KEY_DOWN, '0'+i, buf);
  1760. }
  1761. laAssignNewKey(km, 0, "OUR_brush_resize", 0, 0, LA_KEY_DOWN, '[', "direction=smaller");
  1762. laAssignNewKey(km, 0, "OUR_brush_resize", 0, 0, LA_KEY_DOWN, ']', "direction=bigger");
  1763. laSetMenuBarTemplates(ourui_MenuButtons, laui_DefaultMenuExtras, "OurPaint v0.1");
  1764. ourRegisterNodes();
  1765. laSaveProp("our.canvas");
  1766. laSaveProp("our.tools");
  1767. laGetSaverDummy(Our,Our->CanvasSaverDummyProp);
  1768. laAddExtraExtension(LA_FILETYPE_UDF,"ourpaint","ourbrush",0);
  1769. laAddExtraPreferencePath("our.preferences");
  1770. laAddExtraPreferencePage("OurPaint",ourui_OurPreference);
  1771. laSetAboutTemplates(ourui_AboutContent,ourui_AboutVersion,ourui_AboutAuthor);
  1772. laSetFrameCallbacks(ourPreFrame,0,0);
  1773. laSetDiffCallback(ourPushEverything);
  1774. }
  1775. int ourInit(){
  1776. Our=memAcquire(sizeof(OurPaint));
  1777. ourRegisterEverything();
  1778. our_InitColorProfiles();
  1779. char error[1024]; int status;
  1780. Our->SmudgeTexture=tnsCreate2DTexture(GL_RGBA16,256,1,0);
  1781. Our->CanvasShader = glCreateShader(GL_COMPUTE_SHADER);
  1782. const GLchar* source1 = OUR_CANVAS_SHADER;
  1783. glShaderSource(Our->CanvasShader, 1, &source1, NULL); glCompileShader(Our->CanvasShader);
  1784. glGetShaderiv(Our->CanvasShader, GL_COMPILE_STATUS, &status);
  1785. if (status == GL_FALSE){
  1786. glGetShaderInfoLog(Our->CanvasShader, sizeof(error), 0, error); printf("Canvas shader error:\n%s", error); glDeleteShader(Our->CanvasShader); return 0;
  1787. }
  1788. Our->CanvasProgram = glCreateProgram();
  1789. glAttachShader(Our->CanvasProgram, Our->CanvasShader); glLinkProgram(Our->CanvasProgram);
  1790. glGetProgramiv(Our->CanvasProgram, GL_LINK_STATUS, &status);
  1791. if (status == GL_FALSE){
  1792. glGetProgramInfoLog(Our->CanvasProgram, sizeof(error), 0, error); printf("Canvas program Linking error:\n%s", error); return 0;
  1793. }
  1794. Our->CompositionShader = glCreateShader(GL_COMPUTE_SHADER);
  1795. const GLchar* source2 = OUR_COMPOSITION_SHADER;
  1796. glShaderSource(Our->CompositionShader, 1, &source2, NULL); glCompileShader(Our->CompositionShader);
  1797. glGetShaderiv(Our->CompositionShader, GL_COMPILE_STATUS, &status);
  1798. if (status == GL_FALSE){
  1799. glGetShaderInfoLog(Our->CompositionShader, sizeof(error), 0, error); printf("Composition shader error:\n%s", error); glDeleteShader(Our->CompositionShader); return 0;
  1800. }
  1801. Our->CompositionProgram = glCreateProgram();
  1802. glAttachShader(Our->CompositionProgram, Our->CompositionShader); glLinkProgram(Our->CompositionProgram);
  1803. glGetProgramiv(Our->CompositionProgram, GL_LINK_STATUS, &status);
  1804. if (status == GL_FALSE){
  1805. glGetProgramInfoLog(Our->CompositionProgram, sizeof(error), 0, error); printf("Composition program Linking error:\n%s", error); return 0;
  1806. }
  1807. Our->uBrushCorner=glGetUniformLocation(Our->CanvasProgram,"uBrushCorner");
  1808. Our->uBrushCenter=glGetUniformLocation(Our->CanvasProgram,"uBrushCenter");
  1809. Our->uBrushSize=glGetUniformLocation(Our->CanvasProgram,"uBrushSize");
  1810. Our->uBrushHardness=glGetUniformLocation(Our->CanvasProgram,"uBrushHardness");
  1811. Our->uBrushSmudge=glGetUniformLocation(Our->CanvasProgram,"uBrushSmudge");
  1812. Our->uBrushRecentness=glGetUniformLocation(Our->CanvasProgram,"uBrushRecentness");
  1813. Our->uBrushColor=glGetUniformLocation(Our->CanvasProgram,"uBrushColor");
  1814. Our->uBrushSlender=glGetUniformLocation(Our->CanvasProgram,"uBrushSlender");
  1815. Our->uBrushAngle=glGetUniformLocation(Our->CanvasProgram,"uBrushAngle");
  1816. Our->uBrushErasing=glGetUniformLocation(Our->CanvasProgram,"uBrushErasing");
  1817. Our->uBrushRoutineSelection=glGetSubroutineUniformLocation(Our->CanvasProgram, GL_COMPUTE_SHADER, "uBrushRoutineSelection");
  1818. Our->RoutineDoDabs=glGetSubroutineIndex(Our->CanvasProgram, GL_COMPUTE_SHADER, "DoDabs");
  1819. Our->RoutineDoSample=glGetSubroutineIndex(Our->CanvasProgram, GL_COMPUTE_SHADER, "DoSample");
  1820. Our->uBlendMode=glGetUniformLocation(Our->CompositionProgram,"uBlendMode");
  1821. Our->uAlphaTop=glGetUniformLocation(Our->CompositionProgram,"uAlphaTop");
  1822. Our->uAlphaBottom=glGetUniformLocation(Our->CompositionProgram,"uAlphaBottom");
  1823. Our->X=-2800/2; Our->W=2800;
  1824. Our->Y=2400/2; Our->H=2400;
  1825. Our->BorderAlpha=0.6;
  1826. Our->LockRadius=1;
  1827. Our->EnableBrushCircle=1;
  1828. Our->PaintUndoLimit=100;
  1829. Our->PenID=-1;
  1830. Our->EraserID=-1;
  1831. tnsEnableShaderv(T->immShader);
  1832. tnsVectorSet3(Our->BackgroundColor,0.2,0.2,0.2);
  1833. our_NewLayer("Our Layer");
  1834. OurBrush* ob=our_NewBrush("Our Brush",15,0.95,9,0.5,0.5,5,0,0,0,0); laset_InstanceUID(ob,"OURBRUSH_DEFAULT_YIMING");
  1835. laMarkMemClean(ob); laMarkMemClean(Our->CanvasSaverDummyList.pFirst);
  1836. laAddRootDBInst("our.canvas");
  1837. return 1;
  1838. }