一个简单的玫瑰花程序（二）
这个玫瑰花的程序我在3月28日就发过了，可是问题不少，在这个语句（arc(x+64,y-57,300,490,17);）中出现了颜色外泻，请注重，终止角是490度，而不是460度，不过还没有写完，大家可以凭自己的爱好添家或删除其中的语句，绘出更漂亮的图形。谢谢合作！
作者：张某 地址：云南农叶大学
修改后的程序如下：
#include <stdio.h>
#include <dos.h>
#include <graphics.h>
#include <math.h>
#define FNX(x) (int)(xo+(x)*1.0)
#define FNY(y) (int)(getmaxy()-(yo+(y)*1.0))
#define FNX2(phi) cos(phi)*ac-sin(phi)*bs
#define FNY2(phi) cos(phi)*as+sin(phi)*bc
/*画旋转的椭圆*/
void elli(int xo,int yo,int a,int b,double theta)
{
int i;
double da,c,s,ac,as,bc,bs,xf,yf,phi,x,y;
theta=theta*0.01745;
da=3*0.1745;
c=cos(theta);s=sin(theta);
ac=a*c;as=a*s;bc=b*c;bs=b*s;
x=FNX2(0);y=FNY2(0);
moveto(FNX(x),FNY(y));
for(i=1;i<=360;i++)
{
phi=i*da;xf=x*cos(phi)*0.1;yf=b*sin(phi)*0.1;
x=FNX2(phi);y=FNY2(phi);
lineto(FNX(x),FNY(y));
}
}
/*花*/
void hua(int x,int y)
{
register i;
/*画粉红色玫瑰*/
setcolor(12);
arc(x+65,y-60,150,350,8);
arc(x+66,y-54,300,470,8);
arc(x+65,y-56,30,230,10);
arc(x+64,y-57,300,490,17);
ellipse(x+73,y-30,250,450,27,40);
ellipse(x+59,y-30,100,290,27,40);
ellipse(x+65,y-40,140,270,20,30);
setfillstyle(SOLID_FILL,5);
floodfill(x+65,y-20,12);
/*画红色玫瑰*/
arc(x,y,150,350,12);
arc(x+1,y+8,280,470,12);
arc(x,y+2,30,230,16);
arc(x,y+3,80,240,28);
arc(x+2,y+8,180,330,22);
arc(x-2,y+2,310,460,25);
ellipse(x-12,y+30,120,300,30,40);
ellipse(x+10,y+28,250,423,30,42);
ellipse(x-4,y+10,290,393,30,40);
setfillstyle(SOLID_FILL,4);
floodfill(x+5,y+31,12);
/*画紫色花骨朵*/
ellipse(x+120,y+5,0,360,15,25);
setfillstyle(SOLID_FILL,1);
floodfill(x+120,y,12);
/*画黄色花骨朵*/
ellipse(x-70,y+10,0,360,14,20);
setfillstyle(SOLID_FILL,14);
floodfill(x-70,y+10,12);
setcolor(10);
/*画红花花萼*/
ellipse(x-15,y+32,190,310,30,35);
ellipse(x+16,y+32,235,355,26,35);
ellipse(x,y+35,190,350,43,50);
arc(x,y+82,190,350,6);
setfillstyle(SOLID_FILL,2);
floodfill(x,y+75,10);
/*画粉花花萼*/
ellipse(x+50,y-48,190,320,22,50);
ellipse(x+80,y-48,220,350,22,50);
ellipse(x+65,y-28,180,360,36,50);
floodfill(x+65,y+18,10);
/*画主枝*/
for(i=0;i<3;i++)
{
ellipse(x-98,y+100+i,255,371,100,80);
ellipse(x-20,y+30+i,260,358,140,140);
ellipse(x+224,y+20+i,180,218,160,140);
}
/*画侧枝*/
ellipse(x+70,y+34,180,233,140,140);
ellipse(x,y+40,205,255,100,120);
ellipse(x+135,y-30,209,249,72,120);
ellipse(x,y+20,263,301,100,120);
ellipse(x+85,y-10,278,305,100,120);
ellipse(x+100,y-62,282,308,90,120);
ellipse(x-50,y-10,277,314,30,120);
ellipse(x+70,y+80,222,266,52,120);
ellipse(x-60,y-45,229,266,52,120);
ellipse(x+79,y-45,229,266,52,120);
ellipse(x+84,y,224,273,52,120);
ellipse(x+110,y+40,240,282,100,120);
/*画紫花骨朵花萼*/
ellipse(x+120,y-6,200,340,17,25);
ellipse(x+120,y+7,160,380,17,27);
floodfill(x+122,y+30,10);
/*画黄花骨朵花萼*/
ellipse(x-70,y+15,140,390,17,20);
ellipse(x-75,y-10,205,340,10,30);
ellipse(x-60,y-10,195,340,5,30);
floodfill(x-70,y+32,10);
/*画叶*/
/*画右边的叶子*/
elli(x+168,y+282,10,20,-40);
elli(x+160,y+252,8,16,260);
elli(x+145,y+270,8,16,-15);
elli(x+156,y+224,10,20,-45);
elli(x+150,y+200,8,16,270);
elli(x+135,y+220,8,16,-10);
elli(x+146,y+144,8,16,-80);
elli(x+130,y+130,6,12,235);
elli(x+125,y+154,7,14,-10);
elli(x+78,y+98,6,12,-90);
elli(x+60,y+90,5,10,180);
elli(x+70,y+109,5,10,-45);
/*画左边的叶子*/
elli(x-125,y+270,12,24,60);
elli(x-95,y+270,10,20,10);
elli(x-110,y+245,10,20,90);
elli(x-105,y+220,10,20,45);
elli(x-100,y+190,8,16,135);
elli(x-75,y+210,8,16,-45);
/*画中间的叶子*/
elli(x+65,y+190,10,20,-45);
elli(x+40,y+185,8,16,0);
elli(x+55,y+165,8,16,90);
}
/*主程序*/
main()
{
int driver=VGA,mode=VGAHI;
initgraph(&driver,&mode,"C:\TC");
cleardevice();
hua(450,90);
setcolor(10);
rectangle(0,0,639,479);
getch();
closegraph();
}
修改了的程序如下：
#include <stdio.h>
#include <dos.h>
#include <graphics.h>
#include <math.h>
#define FNX(x) (int)(xo+(x)*1.0)
#define FNY(y) (int)(getmaxy()-(yo+(y)*1.0))
#define FNX2(phi) cos(phi)*ac-sin(phi)*bs
#define FNY2(phi) cos(phi)*as+sin(phi)*bc
/*画旋转的椭圆*/
void elli(int xo,int yo,int a,int b,double theta)
{
int i;
double da,c,s,ac,as,bc,bs,xf,yf,phi,x,y;
theta=theta*0.01745;
da=3*0.1745;
c=cos(theta);s=sin(theta);
ac=a*c;as=a*s;bc=b*c;bs=b*s;
x=FNX2(0);y=FNY2(0);
moveto(FNX(x),FNY(y));
for(i=1;i<=360;i++)
{
phi=i*da;xf=x*cos(phi)*0.1;yf=b*sin(phi)*0.1;
x=FNX2(phi);y=FNY2(phi);
lineto(FNX(x),FNY(y));
}
}
/*花*/
void hua(int x,int y)
{
register i;
/*画粉红色玫瑰*/
setcolor(12);
arc(x+65,y-60,150,350,8);
arc(x+66,y-54,300,470,8);
arc(x+65,y-56,30,230,10);
arc(x+64,y-57,300,490,17);
ellipse(x+73,y-30,250,450,27,40);
ellipse(x+59,y-30,100,290,27,40);
ellipse(x+65,y-40,140,270,20,30);
setfillstyle(SOLID_FILL,5);
floodfill(x+65,y-20,12);
/*画红色玫瑰*/
arc(x,y,150,350,12);
arc(x+1,y+8,280,470,12);
arc(x,y+2,30,230,16);
arc(x,y+3,80,240,28);
arc(x+2,y+8,180,330,22);
arc(x-2,y+2,310,460,25);
ellipse(x-12,y+30,120,300,30,40);
ellipse(x+10,y+28,250,423,30,42);
ellipse(x-4,y+10,290,393,30,40);
setfillstyle(SOLID_FILL,4);
floodfill(x+5,y+31,12);
/*画紫色花骨朵*/
ellipse(x+120,y+5,0,360,15,25);
setfillstyle(SOLID_FILL,1);
floodfill(x+120,y,12);
/*画黄色花骨朵*/
ellipse(x-70,y+10,0,360,14,20);
setfillstyle(SOLID_FILL,14);
floodfill(x-70,y+10,12);
setcolor(10);
/*画红花花萼*/
ellipse(x-15,y+32,190,310,30,35);
ellipse(x+16,y+32,235,355,26,35);
ellipse(x,y+35,190,350,43,50);
arc(x,y+82,190,350,6);
setfillstyle(SOLID_FILL,2);
floodfill(x,y+75,10);
/*画粉花花萼*/
ellipse(x+50,y-48,190,320,22,50);
ellipse(x+80,y-48,220,350,22,50);
ellipse(x+65,y-28,180,360,36,50);
floodfill(x+65,y+18,10);
/*画主枝*/
for(i=0;i<3;i++)
{
ellipse(x-98,y+100+i,255,371,100,80);
ellipse(x-20,y+30+i,260,358,140,140);
ellipse(x+224,y+20+i,180,218,160,140);
}
/*画侧枝*/
ellipse(x+70,y+34,180,233,140,140);
ellipse(x,y+40,205,255,100,120);
ellipse(x+135,y-30,209,249,72,120);
ellipse(x,y+20,263,301,100,120);
ellipse(x+85,y-10,278,305,100,120);
ellipse(x+100,y-62,282,308,90,120);
ellipse(x-50,y-10,277,314,30,120);
ellipse(x+70,y+80,222,266,52,120);
ellipse(x-60,y-45,229,266,52,120);
ellipse(x+79,y-45,229,266,52,120);
ellipse(x+84,y,224,273,52,120);
ellipse(x+110,y+40,240,282,100,120);
/*画紫花骨朵花萼*/
ellipse(x+120,y-6,200,340,17,25);
ellipse(x+120,y+7,160,380,17,27);
floodfill(x+122,y+30,10);
/*画黄花骨朵花萼*/
ellipse(x-70,y+15,140,390,17,20);
ellipse(x-75,y-10,205,340,10,30);
ellipse(x-60,y-10,195,340,5,30);
floodfill(x-70,y+32,10);
/*画叶*/
/*画右边的叶子*/
elli(x+168,y+282,10,20,-40);
elli(x+160,y+252,8,16,260);
elli(x+145,y+270,8,16,-15);
elli(x+156,y+224,10,20,-45);
elli(x+150,y+200,8,16,270);
elli(x+135,y+220,8,16,-10);
elli(x+146,y+144,8,16,-80);
elli(x+130,y+130,6,12,235);
elli(x+125,y+154,7,14,-10);
elli(x+78,y+98,6,12,-90);
elli(x+60,y+90,5,10,180);
elli(x+70,y+109,5,10,-45);
/*画左边的叶子*/
elli(x-125,y+270,12,24,60);
elli(x-95,y+270,10,20,10);
elli(x-110,y+245,10,20,90);
elli(x-105,y+220,10,20,45);
elli(x-100,y+190,8,16,135);
elli(x-75,y+210,8,16,-45);
/*画中间的叶子*/
elli(x+65,y+190,10,20,-45);
elli(x+40,y+185,8,16,0);
elli(x+55,y+165,8,16,90);
}
/*主程序*/
main()
{
int driver=VGA,mode=VGAHI;
initgraph(&driver,&mode,"C:\TC");
cleardevice();
hua(450,90);
setcolor(10);
rectangle(0,0,639,479);
getch();
closegraph();
}
