画图软件C程序代码

1、-作者xxxx-日期xxxx画图软件C程序代码【精品文档】#include <graphics.h>#include <stdlib.h>#include <conio.h>#include <stdio.h>#include <dos.h>#include <bios.h>#include <math.h>#include <alloc.h>/*定义常量*/*向上翻页移键*/#define PAGEUP 0x4900/*向下翻页移键*/#define PAGEDOWN 0x5100/*Escape

2、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 25926/*定义全局变量*/int Rx,Ry,R;int TOPx,TOPy,BOTTOMx,BOTTOMy;int Centx,Centy;int lineS

3、tartx,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,0x40,0

4、x08,0x40,0x0F,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=/*

5、 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,0x

6、08,0x12,0x10, 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

7、,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 ping16

8、K=/* 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

9、,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,0x

10、A0,0xC8,0x20,0x08,0x20, 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 zai16

11、K=/* 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 */ 0x04,0x00,0x07,0x38,0x1

12、C,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, 0x24,0x48,0x26,0

13、x88,0x38,0x88,0xE1,0x28, 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);vo

14、id 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(

15、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 < 8; k+) if(matj * n + i & (0x80 >> 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,

16、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 Us

17、e 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

18、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); out

19、textxy(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 b

20、utton 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 *f

21、p; 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

22、,"saving."); /*保存像素到文件*/ for(i=5;i<630;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 t

23、he 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;i<630;i+) for(j=30;j<=445;j+) putpixel(i,j,fgetc(fp); fill(0,447,630,477,2); outtextxy(280,455,

24、"loading over !"); /*打开失败*/ else fill(0,447,630,477,2); outtextxy(260,455,"Failed to open file!"); fclose(fp);/*获取鼠标状态函数*/int mouseStatus(int* x,int* y) /*定义两个寄存器变量，分别存储入口参数和出口参数*/ union REGS inregs,outregs; int status; status=NO_PRESSED; /*入口参数AH3，读取鼠标位置及其按钮状态*/ inregs.x.ax=3; i

25、nt86(0x33,&inregs,&outregs); /*CX表示水平位置，DX表示垂直位置*/ *x=outregs.x.cx; *y=outregs.x.dx; /*BX表示按键状态*/ if(outregs.x.bx&1) status=LEFT_PRESSED; else if(outregs.x.bx&2) status=RIGHT_PRESSED; return (status);/*设置鼠标指针位置函数*/int setMousePos(int x,int y) union REGS inregs,outregs; /*入口参数AH4，设置鼠标

26、指针位置*/ inregs.x.ax=4; inregs.x.cx=x; inregs.x.dx=y; int86(0x33,&inregs,&outregs);/*绘制鼠标函数*/void DrawMouse(float x,float y) line(x,y,x+5,y+15); line(x,y,x+15,y+5); line(x+5,y+15,x+15,y+5); line(x+11,y+9,x+21,y+19); line(x+9,y+11,x+19,y+21); line(x+22,y+19,x+20,y+21);/*绘制直线函数*/void DrawLine()

27、int x0,y0,x1,y1; int last_x=0,last_y=0; int endFlag=0; int key; int temStartx,temStarty,temEndx,temEndy; int increment_x,increment_y,angle; DrawMouse(last_x,last_y); while(1) /*右键结束画直线*/ while(mouseStatus(&x1,&y1)=RIGHT_PRESSED) endFlag=1; if(endFlag=1) break; /*鼠标移动，没有单击，仅仅画移动的鼠标*/ while(mo

28、useStatus(&x1,&y1) = NO_PRESSED) if(last_x!=x1|last_y!=y1) DrawMouse(last_x,last_y); DrawMouse(x1,y1); last_x=x1; last_y=y1; /*单击左键后，开始画直线*/ if(mouseStatus(&x0,&y0)=LEFT_PRESSED) DrawMouse(last_x,last_y); line(x0,y0,x1,y1); last_x=x1; last_y=y1; /*拉动过程中，画直线和鼠标*/ while(mouseStatus(&am

29、p;x1, &y1)=LEFT_PRESSED) if(last_x!=x1|last_y!=y1) line(x0,y0,last_x,last_y); line(x0,y0,x1,y1); last_x=x1; last_y=y1; /*松开左键后，画直线完成，记录直线的起始位置*/ lineStartx=x0; lineStarty=y0; lineEndx=x1; lineEndy=y1; while(1) /*从键盘获取键值，开始操作（移动、放大、缩小、旋转）直线*/ key=bioskey(0); /*ESC键，退出操作*/ if(key=ESC) break; /*旋转*

30、/ if(key=SPACE) /*计算旋转中心*/ /*如果直线示倾斜的*/ if(lineStarty!=lineEndy)&& (lineStartx!=lineEndx) Centx=(lineEndx-lineStartx)/2+lineStartx; Centy=(lineEndy-lineStarty)/2+lineStarty; /*如果直线是竖直的*/ if(lineStarty=lineEndy) Centx=(lineEndx-lineStartx)/2+lineStartx; Centy=lineStarty; /*如果直线是水平的*/ if(lineS

31、tartx=lineEndx) Centx=lineStartx; Centy=(lineEndy-lineStarty)/2+lineStarty; temStartx=lineStartx; temStarty=lineStarty; temEndx=lineEndx; temEndy=lineEndy; /*旋转不能超过边界*/ if(lineStartx>=10 && lineStarty>=40 && lineEndx <=620 && lineEndy <=445) /*清除原有的直线*/ setwritemo

32、de(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*计算旋转30度后的起点坐标*/ lineStartx=(temStartx-Centx)*cos(pi/6)-(temStarty-Centy)*sin(pi/6)+Centx; lineEndx=(temEndx-Centx)*cos(pi/6)-(temEndy-Centy)*sin(pi/6)+Centx; /*计算旋转30度后的终点坐标*/ lineStarty=(temStartx-Centx)*sin(pi/6)+(temStarty-Centy)*cos(p

33、i/6)+Centy; lineEndy=(temEndx-Centx)*sin(pi/6)+(temEndy-Centy)*cos(pi/6)+Centy; temStartx=lineStartx; temStarty=lineStarty; temEndx=lineEndx; temEndy=lineEndy; /*绘制旋转后的直线*/ line(lineStartx,lineStarty,lineEndx,lineEndy); /*左移直线*/ if(key=LEFT) if(lineStartx>=10 && lineStarty>=40 &&am

34、p; lineEndx <=620 && lineEndy <=445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*起始的横坐标减小*/ lineStartx-=5; lineEndx-=5; line(lineStartx,lineStarty,lineEndx,lineEndy); /*右移直线*/ if(key=RIGHT) if(lineStartx>=10 && lineStarty>=40 && lineEnd

35、x <=620 && lineEndy <=445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*起始的横坐标增加*/ lineStartx+=5; lineEndx+=5; line(lineStartx,lineStarty,lineEndx,lineEndy); /*下移直线*/ if(key=DOWN) if(lineStartx>=10 && lineStarty>=40 && lineEndx <=620

36、&& lineEndy <=445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*起始的纵坐标增加*/ lineStarty+=5; lineEndy+=5; line(lineStartx,lineStarty,lineEndx,lineEndy); /*上移直线*/ if(key=UP) if(lineStartx>=10 && lineStarty>=40 && lineEndx <=620 && li

37、neEndy <=445) setwritemode(XOR_PUT); line(lineStartx,lineStarty,lineEndx,lineEndy); /*起始的纵坐标减小*/ lineStarty-=5; lineEndy-=5; line(lineStartx,lineStarty,lineEndx,lineEndy); /*放大直线*/ if(key=PAGEUP) if(lineStartx>=10 && lineStarty>=40 && lineEndx <=620 && lineEndy &l

38、t;=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;

39、/*计算放大后的起始坐标*/ if(lineStartx<lineEndx) lineStartx-=increment_x; lineStarty-=increment_y; lineEndx+=increment_x; lineEndy+=increment_y; if(lineStartx>lineEndx) 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