LaGUI/wintab/wintab_utils.h

/*----------------------------------------------------------------------------s
	NAME
		Utils.h

	PURPOSE
		Defines for the general-purpose functions for the WinTab demos.

	COPYRIGHT
		This file is Copyright (c) Wacom Company, Ltd. 2020 All Rights Reserved
		with portions copyright 1991-1998 by LCS/Telegraphics.

		The text and information contained in this file may be freely used,
		copied, or distributed without compensation or licensing restrictions.
---------------------------------------------------------------------------- */
#pragma once

#include	<windows.h>
#include	<stdio.h>
#include	<assert.h>
#include	<stdarg.h>

#include	"wintab.h"

#ifndef bool
#define bool int
#endif

//////////////////////////////////////////////////////////////////////////////
#define WACOM_DEBUG

// Ignore warnings about using unsafe string functions.
#pragma warning( disable : 4996 )

//////////////////////////////////////////////////////////////////////////////
// Function pointers to Wintab functions exported from wintab32.dll. 
typedef UINT(API* WTINFOA) (UINT, UINT, LPVOID);
typedef HCTX(API* WTOPENA)(HWND, LPLOGCONTEXTA, bool);
typedef bool (API* WTGETA) (HCTX, LPLOGCONTEXT);
typedef bool (API* WTSETA) (HCTX, LPLOGCONTEXT);
typedef bool (API* WTCLOSE) (HCTX);
typedef bool (API* WTENABLE) (HCTX, bool);
typedef bool (API* WTPACKET) (HCTX, UINT, LPVOID);
typedef bool (API* WTOVERLAP) (HCTX, bool);
typedef bool (API* WTSAVE) (HCTX, LPVOID);
typedef bool (API* WTCONFIG) (HCTX, HWND);
typedef HCTX(API* WTRESTORE) (HWND, LPVOID, bool);
typedef bool (API* WTEXTSET) (HCTX, UINT, LPVOID);
typedef bool (API* WTEXTGET) (HCTX, UINT, LPVOID);
typedef bool (API* WTQUEUESIZESET) (HCTX, int);
typedef int  (API* WTDATAPEEK) (HCTX, UINT, UINT, int, LPVOID, LPINT);
typedef int  (API* WTPACKETSGET) (HCTX, int, LPVOID);
typedef HMGR(API* WTMGROPEN) (HWND, UINT);
typedef bool (API* WTMGRCLOSE) (HMGR);
typedef HCTX(API* WTMGRDEFCONTEXT) (HMGR, bool);
typedef HCTX(API* WTMGRDEFCONTEXTEX) (HMGR, UINT, bool);

// TODO - add more wintab32 function defs as needed

//////////////////////////////////////////////////////////////////////////////
extern char* gpszProgramName;

// Loaded Wintab32 API functions.
extern HINSTANCE ghWintab;

extern WTINFOA gpWTInfoA;
extern WTOPENA gpWTOpenA;
extern WTGETA gpWTGetA;
extern WTSETA gpWTSetA;
extern WTCLOSE gpWTClose;
extern WTPACKET gpWTPacket;
extern WTENABLE gpWTEnable;
extern WTOVERLAP gpWTOverlap;
extern WTSAVE gpWTSave;
extern WTCONFIG gpWTConfig;
extern WTRESTORE gpWTRestore;
extern WTEXTSET gpWTExtSet;
extern WTEXTGET gpWTExtGet;
extern WTQUEUESIZESET gpWTQueueSizeSet;
extern WTDATAPEEK gpWTDataPeek;
extern WTPACKETSGET gpWTPacketsGet;
extern WTMGROPEN gpWTMgrOpen;
extern WTMGRCLOSE gpWTMgrClose;
extern WTMGRDEFCONTEXT gpWTMgrDefContext;
extern WTMGRDEFCONTEXTEX gpWTMgrDefContextEx;

// TODO - add more wintab32 function pointers as needed

//////////////////////////////////////////////////////////////////////////////
bool LoadWintab(void);
void UnloadWintab(void);

void ShowError(char* pszErrorMessage);

//////////////////////////////////////////////////////////////////////////////
#ifdef WACOM_DEBUG

void WacomTrace(char* lpszFormat, ...);

#define WACOM_ASSERT( x ) assert( x )
#define WACOM_TRACE(...)  WacomTrace(__VA_ARGS__)
#else
#define WACOM_TRACE(...)
#define WACOM_ASSERT( x )

#endif // WACOM_DEBUG