【计算机图形学】1-1-4 基本消息获取结构

文件： gui_windows.h

void gui_setDisplayFunction(void (*func)(void));
void gui_setReshapeFunction(void (*func)(int32 w, int32 h));
void gui_setKeyboardFunction(void (*func)(unsigned char key, int32 x, int32 y));
void gui_setMouseFunction(void (*func)(int32 button, int32 state, int32 x, int32 y));
void gui_setMotionFunction(void (*func)(int32 x, int32 y));

文件： gui_windows.c

static void (*mainWindowDisplayFunction)();
static void (*mainWindowReshapeFunction)(int32, int32);
static void (*mainWindowKeyboardFunction)(unsigned char, int32, int32);
static void (*mainWindowMouseFunction)(int32, int32, int32, int32);
static void (*mainWindowMotionFunction)(int32, int32);


void gui_setDisplayFunction(void (*func)(void))
{
　　mainWindowDisplayFunction = func;
}


void gui_setReshapeFunction(void (*func)(int32 w, int32 h))
{
　　mainWindowReshapeFunction = func;
}


void gui_setKeyboardFunction(void (*func)(unsigned char key, int32 x, int32 y))
{
　　mainWindowKeyboardFunction = func;
}


void gui_setMouseFunction(void (*func)(int32 button, int32 state, int32 x, int32 y))
{
　　mainWindowMouseFunction = func;
}


void gui_setMotionFunction(void (*func)(int32 x, int32 y))
{
　　mainWindowMotionFunction = func;
}

文件： main.c

#include <stdio.h>
#include <stdlib.h>
#include "define.h"
#include "gui.h"


void displayFunction(void)
{
　　//TODO
}


void reshapeFunction(int32 w, int32 h)
{
　　//TODO
}


void keyboardFunction(unsigned char key, int32 x, int32 y)
{
　　//TODO
}


void mouseFunction(int32 button, int32 state, int32 x, int32 y)
{
　　//TODO
}


void motionFunction(int32 x, int32 y)
{
　　//TODO
}


int main()
{
　　#ifndef DEBUG
　　　　freopen("log.txt", "w", stdout);
　　#endif
　　freopen("error.txt", "w", stderr);


　　gui_createMainWindow("ZPIC");
　　gui_setMainWindowSize(800, 600);
　　gui_setMainWindowToCenter();


　　gui_setDisplayFunction(displayFunction);
　　gui_setReshapeFunction(reshapeFunction);
　　gui_setKeyboardFunction(keyboardFunction);
　　gui_setMouseFunction(mouseFunction);
　　gui_setMotionFunction(motionFunction);


　　gui_mainLoop();
　　return 0;
}