kolibrios/programs/games/checkers/trunk/gr-draw.h

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#ifndef _GRAPHIC_DRAW_H
#define _GRAPHIC_DRAW_H
#include <limits.h>
#include <string.h>
#ifdef _Windows
# include <windows.h>
#endif
template<class TRealGraphDraw>
class TBaseGraphDraw
{
public:
union event
{
enum evtype {noevent = 0, draw, button_down, button_up,
mouse_move, key_down, key_up, start, close} type;
struct evany
{
evtype type;
TRealGraphDraw *drw;
} any;
struct evbutton : public evany
{
int x, y, n;
} button;
struct evkey : public evany
{
unsigned long k;
} key;
};
enum {button_down_mask = 0x1, button_up_mask = 0x2, key_down_mask = 0x4,
key_up_mask = 0x8, mouse_move_mask = 0x10, mouse_drag_mask = 0x20};
enum {ret_setcapture = 0x10};
public:
TBaseGraphDraw(const char *s = 0) : title(0), about_info(0),
evfunc(0), id(0), data(0) {CopyTitle(s);}
~TBaseGraphDraw() {FreeTitle();}
unsigned long GetBlackColor() {return 0;}
unsigned long GetWhiteColor() {return 0xFFFFFFL;}
unsigned long CreateColor(unsigned short red,
unsigned short green, unsigned short blue);
void FreeColor(unsigned long c) {}
unsigned long GetBgColor() {return GetWhiteColor();}
void SetBgColor(unsigned long c) {}
void SetTitle(const char *s) {CopyTitle(s);}
const char *GetTitle() const {return title;}
int GetStatus() {return 0;} //1 - can draw, 0 - can't draw, <0 - error
int Init() {return 0;}
void UnInit() {}
int Run(int evmask = 0, int w = INT_MIN, int h = INT_MIN) {return -100;}
void GetSize(int &w, int &h) {w = 200; h = 200;}
int OpenDraw() {return 0;}
int IsDraw() {return 0;}
void CloseDraw() {}
int SetColor(unsigned long c) {return 0;}
int DrawLine(int x0, int y0, int x1, int y1) {return 0;}
int DrawText(int x0, int y0, char *text) {return 0;}
int DrawClear() {return 0;}
int GetTextH(const char *s) {return 16;}
int GetTextW(const char *s) {return 8 * strlen(s);}
void Quit(int q = 1) {}
void ResReinit(int w = INT_MIN, int h = INT_MIN) {}
int GetAboutInfo() {return about_info;}
void SetAboutInfo(int inf) {about_info = inf;}
protected:
void FreeTitle() {if (title) {delete[] title; title = 0;}}
void CopyTitle(const char *s);
char *title;
int about_info;
public:
int (*evfunc)(const event &ev);
int id;
void *data;
};
template<class TRealGraphDraw>
unsigned long TBaseGraphDraw<TRealGraphDraw>::CreateColor(unsigned short red,
unsigned short green, unsigned short blue)
{
return (unsigned long)(red >> 8) + ((unsigned long)(green >> 8) << 8) +
((unsigned long)(blue >> 8) << 16);
}
template<class TRealGraphDraw>
void TBaseGraphDraw<TRealGraphDraw>::CopyTitle(const char *s)
{
FreeTitle();
if (s) {title = new char[strlen(s) + 1]; strcpy(title, s);}
}
#if defined _KOLIBRI
# include "kolibri-draw.h"
typedef TKlbrGraphDraw TMainGraphDraw;
#elif defined __GNUC__
# include "gnu-draw.h"
typedef TGnuGraphDraw TMainGraphDraw;
#elif defined _Windows
# include "win-draw.h"
typedef TWinGraphDraw TMainGraphDraw;
#elif defined __MSDOS__
# include "dos-draw.h"
typedef TDosGraphDraw TMainGraphDraw;
#else
#error "Unknown platform"
#endif
typedef TMainGraphDraw TGraphDraw;
#endif //_GRAPHIC_DRAW_H