多边形图案填充.cpp

#include<windows.h> #include<GL/gl.h> #include<GL/glu.h> #include<GL/glaux.h> #pragma comment(lib,"opengl32") #pragma comment(lib,"glu32") #pragma comment(lib,"glaux") void Init(void); void CALLBACK Display(void); void Init(void) { //clear background to black glClearColor(1.0,1.0,1.0,0.0); glShadeModel(GL_FLAT); } void CALLBACK Display(void) { //定义32*32的位图数据 GLubyte fly[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x03,0x08,0x01,0xc0,0x06,0xc0,0x03,0x60 ,0x04,0x60,0x06,0x20,0x04,0x30,0x0c,0x20 ,0x04,0x18,0x18,0x20,0x04,0x0c,0x30,0x20 ,0x04,0x06,0x60,0x20,0x44,0x03,0xc0,0x22 ,0x44,0x01,0x80,0x22,0x44,0x01,0x80,0x22 ,0x44,0x01,0x80,0x22,0x44,0x01,0x80,0x22 ,0x44,0x01,0x80,0x22,0x44,0x01,0x80,0x22 ,0x66,0x01,0x80,0x66,0x33,0x01,0x80,0xcc ,0x19,0x81,0x81,0x98,0x0c,0xc1,0x83,0x30 ,0x07,0xe1,0x87,0xe0,0x03,0x3f,0xfc,0xc0 ,0x03,0x31,0x8c,0xc0,0x03,0x33,0xcc,0xc0 ,0x06,0x64,0x26,0x60,0x0c,0xcc,0x33,0x30 ,0x18,0xcc,0x33,0x18,0x10,0xc4,0x23,0x08 ,0x10,0x63,0xc6,0x08,0x10,0x30,0x0c,0x08 ,0x10,0x18,0x18,0x08,0x10,0x00,0x00,0x08 }; GLubyte half[]={0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 ,0xff,0xff,0xff,0xff,0x55,0x55,0x55,0x55 }; glClear(GL_COLOR_BUFFER_BIT); glColor3f(0.0,0.0,0.0); //绘制一个纯黑的矩形 glRectf(25.0,25.0,125.0,125.0);