画图软件C程序代码.doc

#include #include #include #include #include #include #include #include /*定义常量*/*向上翻页移键*/#define PAGEUP 0x4900/*向下翻页移键*/#define PAGEDOWN 0x5100/*Escape键*/#define ESC 0x011b /*左移键*/#define LEFT 0x4b00/*右移键*/#define RIGHT 0x4d00 /*下移键*/#define DOWN 0x5000 /*上移键*/#define UP 0x4800/*空格键*/#define SPACE 0x3920#define NO_PRESSED 0#define LEFT_PRESSED 1#define RIGHT_PRESSED 2#define pi 3.1415926/*定义全局变量*/int Rx,Ry,R;int TOPx,TOPy,BOTTOMx,BOTTOMy;int Centx,Centy;int lineStartx,lineStarty,lineEndx,lineEndy;int linePoint_x20,linePoint_y20;/*这里的字模数组均由“点阵字模工具”生成，你可以用你自己需要的点阵信息来替换示例中的字模信息，注意字模大小要一致，否则显示会出问题。*/char zhi16K=/* 以下是 直 的 16点阵楷体_GB2312 字模，32 byte */ 0x01,0x00,0x01,0x00,0x01,0xF0,0x1E,0x00, 0x02,0x00,0x07,0xC0,0x08,0x40,0x0F,0x40, 0x08,0x40,0x0F,0x40,0x08,0x40,0x0F,0x40, 0x08,0x40,0x0F,0xFC,0x70,0x00,0x00,0x00,;char xian16K=/* 以下是 线 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x80,0x00,0x90,0x08,0x88,0x10,0x80, 0x24,0xF0,0x45,0x80,0x78,0xB0,0x11,0xC0, 0x2C,0x88,0x70,0x50,0x04,0x60,0x18,0xA4, 0x63,0x14,0x00,0x0C,0x00,0x04,0x00,0x00,;char ju16K=/* 以下是 矩 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x00,0x08,0x00,0x08,0x78,0x10,0x80, 0x1E,0x80,0x28,0xF8,0x48,0x88,0x0E,0x88, 0xF8,0xF0,0x08,0x80,0x14,0x80,0x12,0x9E, 0x20,0xE0,0x40,0x00,0x00,0x00,0x00,0x00,;char xing16K=/* 以下是 形 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x00,0x07,0x88,0x3A,0x08,0x12,0x10, 0x12,0x20,0x17,0x48,0xFA,0x10,0x12,0x20, 0x12,0xC8,0x12,0x08,0x22,0x10,0x42,0x20, 0x00,0x40,0x00,0x80,0x03,0x00,0x00,0x00,;char yuan16K=/* 以下是 圆 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0xF8,0x3F,0x08,0x23,0x88,0x24,0x88, 0x27,0x08,0x21,0xC8,0x2E,0x48,0x29,0x48, 0x29,0x48,0x22,0x88,0x24,0x48,0x28,0x08, 0x3F,0xE8,0x00,0x10,0x00,0x00,0x00,0x00,;char qing16K=/* 以下是 清 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x80,0x00,0xE0,0x33,0x80,0x10,0xE0, 0x03,0x80,0x40,0xFC,0x2F,0x00,0x01,0xE0, 0x12,0x20,0x13,0xA0,0x22,0x20,0x63,0xA0, 0x42,0x20,0x02,0x60,0x00,0x20,0x00,0x00,;char ping16K=/* 以下是 屏 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0xF0,0x0F,0x30,0x08,0x60,0x0F,0x80, 0x0A,0x20,0x09,0x40,0x08,0xF8,0x17,0x20, 0x11,0x3E,0x2F,0xE0,0x21,0x20,0x42,0x20, 0x82,0x20,0x04,0x20,0x08,0x20,0x00,0x00,;char bao16K=/* 以下是 保 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x00,0x09,0xF0,0x0A,0x10,0x12,0x10, 0x13,0xE0,0x30,0x80,0x50,0xFC,0x9F,0x80, 0x11,0xC0,0x12,0xA0,0x14,0x98,0x18,0x8E, 0x10,0x80,0x10,0x80,0x00,0x00,0x00,0x00,;char cun16K=/* 以下是 存 的 16点阵楷体_GB2312 字模，32 byte */ 0x01,0x00,0x01,0x00,0x01,0xF0,0x1E,0x00, 0x02,0x70,0x05,0x90,0x08,0x20,0x08,0x40, 0x18,0x7E,0x2B,0xA0,0xC8,0x20,0x08,0x20, 0x08,0x20,0x08,0xA0,0x00,0x40,0x00,0x00,;char jia16K=/* 以下是 加 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x00,0x08,0x00,0x08,0x00,0x08,0x00, 0x0F,0x00,0x79,0x3C,0x09,0x44,0x11,0x44, 0x11,0x44,0x22,0x44,0x22,0x78,0x4A,0x00, 0x84,0x00,0x00,0x00,0x00,0x00,0x00,0x00,;char zai16K=/* 以下是 载 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x80,0x08,0xA0,0x08,0x90,0x0E,0x80, 0x38,0xF0,0x0F,0x80,0x78,0x50,0x0E,0x50, 0x34,0x20,0x1E,0x20,0x34,0x50,0x0E,0x92, 0x75,0x0A,0x04,0x06,0x04,0x02,0x00,0x00,;char bang16K=/* 以下是 帮 的 16点阵楷体_GB2312 字模，32 byte */ 0x04,0x00,0x07,0x38,0x1C,0x48,0x06,0x50, 0x1C,0x50,0x07,0x48,0x78,0x58,0x11,0x40, 0x21,0xF0,0x4F,0x10,0x09,0x10,0x09,0x50, 0x09,0x20,0x01,0x00,0x01,0x00,0x00,0x00,;char zhu16K=/* 以下是 助 的 16点阵楷体_GB2312 字模，32 byte */ 0x00,0x00,0x00,0x20,0x0C,0x20,0x34,0x20, 0x24,0x20,0x34,0x38,0x25,0xC8,0x34,0x48, 0x24,0x48,0x26,0x88,0x38,0x88,0xE1,0x28, 0x02,0x10,0x04,0x00,0x00,0x00,0x00,0x00,;/*自定义函数*/void outChinese(char *mat,int matsize,int x,int y,int color);void fill(int startx,int starty,int endx,int endy,int color);void showHelp();void save();void load();int mouseStatus(int* x,int* y);int setMousePos(int x, int y);void DrawMouse(float x,float y);void DrawLine();void DrawRectangle();void LineToCircle(int x0,int y0,int r);void DrawCircle();long factorial(int n);float berFunction(int i,int n,double t);void DrawBezier();/*根据点阵信息显示中文函数*/void outChinese(char *mat,int matsize,int x,int y,int color)/*依次：字模指针、点阵大小、起始坐标(x,y)、颜色*/ int i, j, k, n; n = (matsize - 1) / 8 + 1; for(j = 0; j matsize; j+) for(i = 0; i n; i+) for(k = 0;k k) /*测试为1的位则显示*/ putpixel(x + i * 8 + k, y + j, color);/*填充函数*/void fill(int startx,int starty,int endx,int endy,int color) int i,j; for(i=startx;i=endx;i+) for(j=starty;j=endy;j+) /*在指定位置以指定颜色画一像素*/ putpixel(i,j,color); /*显示用户帮助函数*/void showHelp() setcolor(14); outtextxy(45,50,Line:); setcolor(WHITE); outtextxy(45,50, 1 Press left button to start until to line end.); outtextxy(45,65, 2 Use UP,DOWN,LEFT,RIGHT keys to move it.); outtextxy(45,80, 3 Use PAGEUP key to enlarge it, and PAGEDOWN key to shrink it.); outtextxy(45,95, 4 Use SPACE key to rotate it.); setcolor(14); outtextxy(45,120,Rectangle:); setcolor(WHITE); outtextxy(45,120, 1 Press left button to start until to right corner.); outtextxy(45,135, 2 Use UP,DOWN,LEFT,RIGHT keys to move it.); outtextxy(45,150, 3 Use PAGEUP key to enlarge it, and PAGEDOWN key to shrink it.); setcolor(14); outtextxy(45,170,Circle:); setcolor(WHITE); outtextxy(45,170, 1 Press left button to start until to end.); outtextxy(45,185, 2 Use PAGEUP key to enlarge it, and PAGEDOWN key to shrink it.); setcolor(14); outtextxy(45,205,Bezier:); setcolor(WHITE); outtextxy(45,205, Press left button to start, and right button to end.); outtextxy(45,230,Press ESC key to stop the operation function.); outtextxy(45,245,Press right button to end the drawing works.); outtextxy(45,260,Press any key to continue.); getch(); fill(40,40,625,270,0);/*保存函数*/void save() int i,j; FILE *fp; char fileName20; fill(0,447,630,477,2); gotoxy(1,25); printf(nnnn Input the file name.dat:); scanf(%s,fileName); fill(0,447,630,477,2); /*以读写的方式打开文件*/ if(fp=fopen(fileName,w+)=NULL) outtextxy(260,455,Failed to open file!); exit(0); outtextxy(280,455,saving.); /*保存像素到文件*/ for(i=5;i630;i+) for(j=30;j=445;j+) fputc(getpixel(i,j),fp); fclose(fp); fill(0,447,630,477,2); outtextxy(260,455,save over!); /*打开函数*/void load() int i,j; char fileName20; FILE *fp; fill(0,447,630,477,2); gotoxy(1,25); printf(nnnn Input the file name.dat:); scanf(%s,fileName); /*打开指定的文件*/ if(fp=fopen(fileName,r+)!=NULL) fill(0,447,630,477,2); outtextxy(280,455,loading.); /*从文件中读出像素*/ for(i=5;i630;i+) for(j=30;j=10 & lineStarty=40 & lineEndx =620 & lineEndy =10 & lineStarty=40 & lineEndx =620 & lineEndy =10 & lineStarty=40 & lineEndx =620 & lineEndy =10 & lineStarty=40 & lineEndx =620 & lineEndy =10 & lineStarty=40 & lineEndx =620 & lineEndy =10 & lineStarty=40 & lineEndx =620 & lineEndy =445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*如果直线是倾斜的*/ if(lineStarty!=lineEndy)& (lineStartx!=lineEndx) /*计算直线的倾角*/ angle=atan(fabs(lineEndy-lineStarty)/(fabs(lineEndx-lineStartx); /*计算水平增量*/ increment_x=cos(angle)*2; /*计算垂直增量*/ increment_y=sin(angle)*2; /*计算放大后的起始坐标*/ if(lineStartxlineEndx) lineEndx-=increment_x; lineEndy-=increment_y; lineStartx+=increment_x; lineStarty+=increment_y; /*如果直线竖直的*/ if(lineStarty=lineEndy) lineStartx-=5; lineEndx+=5; /*如果直线是水平的*/ if(lineStartx=lineEndx) lineStarty-=5; lineEndy+=5; line(lineStartx,lineStarty,lineEndx,lineEndy); /*缩小直线*/ if(key=PAGEDOWN) if(lineStartx=10 & lineStarty=40 & lineEndx =620 & lineEndy =445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*如果直线是倾斜的*/ if(lineStarty!=lineEndy)& (lineStartx!=lineEndx) /*计算直线的倾角*/ angle=atan(fabs(lineEndy-lineStarty)/(fabs(lineEndx-lineStartx); /*计算水平减少量*/ increment_x=cos(angle)*2; /*计算垂直减少量*/ increment_y=sin(angle)*2; /*计算缩小后的起始坐标*/ if(lineStartxlineEndx) lineEndx+=increment_x; lineEndy+=increment_y; lineStartx-=inc