C_Kurs_Lekt / C_III_семестр / 17-3_примеры_графики

#include <conio.h> #include <graphics.h> #include <process.h> #include <stdio.h>

int Initialize(int *GraphDriver,int *GraphMode , double *AspectRatio);

//mode = getgraphmode();

printf(" Graphics System Error: %s\n", grapherrormsg( ErrorCode )

);

exit( 1 );

}

getaspectratio( &xasp, &yasp ); /* read the hardware aspect */

* AspectRatio = (double)xasp / (double)yasp; /* Get correction factor */ return ErrorCode;

}

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

//void _Cdecl EGAVGA_driver(void);

/* the names of the text styles supported */

char *fname[] = { "DEFAULT font проба русских фонтов", "TRIPLEX font проба русских фонтов", "SMALL font проба русских фонтов", "SANS SERIF font проба русских фонтов", "GOTHIC font проба русских фонтов"

};

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int style, midx, midy;

int size = 1;

/* register a driver that was added into graphics.lib */ /* For information on adding the driver, see the

/* BGIOBJ section of UTIL.DOC */

//errorcode = registerbgidriver(EGAVGA_driver);

/* report any registration errors */ /*if (errorcode < 0)

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1);} /* terminate with an error code */

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

midx = getmaxx() / 2; midy = getmaxy() / 2;

settextjustify(CENTER_TEXT, CENTER_TEXT);

/* loop through the available text styles */

for (style=DEFAULT_FONT; style<=GOTHIC_FONT; style++)

{

cleardevice();

if (style == TRIPLEX_FONT) size = 4;

/* select the text style */ settextstyle(style, HORIZ_DIR, size);

/* output a message */

//outtextxy(midx, midy, fname[style]);

outtextxy(midx, midy, "Наша строка"); getch();

}

/* clean up */ closegraph(); return 0;

}

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

/* the names of the text styles supported */ char *fname[] = { "DEFAULT font РУССКИЕ",

"TRIPLEX font РУССКИЕ", "SMALL font РУССКИЕ", "SANS SERIF font РУССКИЕ", "GOTHIC font РУССКИЕ"

};

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int style, midx, midy;

int size = 1;

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

midx = getmaxx() / 2; midy = getmaxy() / 2;

settextjustify(CENTER_TEXT, CENTER_TEXT);

/* loop through the available text styles */

for (style=DEFAULT_FONT; style<=GOTHIC_FONT; style++)

{

cleardevice();

if (style == TRIPLEX_FONT) size = 4;

/* select the text style */ settextstyle(style, HORIZ_DIR, 1);

/* output a message */ outtextxy(midx, midy, fname[style]); getch();

}

/* clean up */ closegraph(); return 0;

}

// Точки случайно закрашивают прямоугольник

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

int main(void) {

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int style, midx, midy;

int l, t, r, b, i, x, y, c=0;

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

l = getmaxx()/2-300; t = getmaxy()/2-100; r = getmaxx()/2+300; b = getmaxy()/2+100; rectangle(l,t,r,b);

for( i=0 ; i< 5000; i++) { x = random(r-l);

y = random(b-t); putpixel(x+l, y+t, c);

if ( c < 15 ) c++; else c=0; delay(2);

}

getch();

closegraph(); return 0;

}

// Цветные прямоугольники

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

int main(void) {

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int style, midx, midy;

int l, t, r, b, c=0;

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

l = 0; t = 0;

r = getmaxx(); b = getmaxy();

for( ; r-l > 20 && b-t > 20; l+=10, r-=10, t+=10, b-=10) { setcolor(c);

setfillstyle(SOLID_FILL, c ); rectangle(l,t,r,b); floodfill( l+1, t+1, c);

}

getch();

closegraph(); return 0;

}

// Цветные окружности с заливкой

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

//getaspectratio(&xasp, &yasp);

//setaspectratio(xasp/2, yasp);

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

x = getmaxx()/2; y = getmaxy()/2;

i = EMPTY_FILL; // 0

for (xradius=y; xradius > 20; xradius-=20) { setcolor(c);

setfillstyle(i, c);

//pieslice(x, y, 10, 360, xradius); // - секторами circle(x, y, xradius);

getch();

}

closegraph(); return 0;

}

// Эллипсы разного цвета и эксцентриситета

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

int main(void) {

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int x, y, i, rx, ry, c=1, xasp, yasp;

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

getaspectratio(&xasp, &yasp);

printf("aspectratio x %d y %d\n", xasp, yasp); getch();

cleardevice();

x = getmaxx()/2; y = getmaxy()/2; ry=y;

for (rx=y; rx > 20; rx-=20)

for (ry=y; ry > 20; ry-=20){ setcolor(c);

ellipse(x, y, 0, 360, rx, ry);

}

// Цветная полоса

#include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h>

int main(void) {

/* request auto detection */

int gdriver = DETECT, gmode, errorcode; int style, midx, midy;

int left, top, right, bottom, x, colr=0;

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

left = getmaxx() / 2 - 200; top = getmaxy() / 2 - 100; right = getmaxx() / 2 + 200; bottom = getmaxy() / 2 + 100;

rectangle(left,top,right,bottom);

for( x = left+1; x < right; x++) { setcolor(colr);

line(x, top, x, bottom); if ( colr < 15 ) colr++;

else colr=0;

}

getch();

closegraph(); return 0;

}

#include <stdio.h> #include <graphics.h> #include <string.h> main()

{

int w1,w2;

int i,j,s=0,a[6],m; double d;

char c[5],c1[5]={" \0"}; for(i=0;i<6;i++)

{

printf("\na[%d]=",i);

scanf("%4d",&a[i]);

s+=a[i];

}

detectgraph(&w1,&w2);

initgraph(&w1,&w2,"c:\\tc\\bgi");

for(i=0;i<6;i++)

{

setcolor(i+9); bar3d(i*20+100,200-a[i],i*20+120,200,4,1); d=(double)a[i]/(double)s; circle(i*80+50,280,30); sector(i*80+50,280,0,360*d,30,30); m=a[i];

j=3;

strcpy(c,c1);

while(m!=0)

{

c[j--]=m%10+48; m/=10;

}

outtextxy(i*80+40,315,c);

}

while(!kbhit());bioskey(0);

closegraph();

}

// Выводим надпись в центре экрана и обводим рамкою с отступом 20 #include <graphics.h>

#include <stdlib.h> #include <stdio.h> #include <conio.h>

/* the names of the text styles supported */ int main(void)

{

/* request auto detection */ int gdriver = DETECT;

int gmode, errorcode; int style, midx, midy ;

int l, r, t, b, width, height; int size = 1;

char *str="Наша строка";

/* initialize graphics and local variables */ initgraph(&gdriver, &gmode, "");

/* read result of initialization */ errorcode = graphresult();

if (errorcode != grOk) /* an error occurred */

{

printf("Graphics error: %s\n", grapherrormsg(errorcode)); printf("Press any key to halt:");

getch();

exit(1); /* terminate with an error code */

}

printf("display - %d x- %d y - %d", gdriver, getmaxx(),getmaxy()); printf("This mode supports colors 0..%d", getmaxcolor());

midx = getmaxx() / 2; midy = getmaxy() / 2;

settextjustify(CENTER_TEXT, CENTER_TEXT); size = 4;

settextstyle(TRIPLEX_FONT, HORIZ_DIR, size); outtextxy(midx, midy, str);

getch();

l=midx - textwidth(str)/2 - 20; r=midx + textwidth(str)/2 + 20; t=midy - textheight(str)/2 - 20; b=midy + textheight(str)/2 + 20; rectangle(l,t,r,b);

getch();

/* clean up */ closegraph(); return 0;

}