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c:graphics.h:fillellipse [2015/05/06 23:06] |
c:graphics.h:fillellipse [2024/02/16 01:05] (current) |
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+ | ===== fillellipse ===== | ||
+ | |||
+ | |||
+ | ====Syntax of fillellipse ==== | ||
+ | <code c> | ||
+ | #include <graphics.h> | ||
+ | void fillellipse(int x, int y, int xradius, int yradius); | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Description of fillellipse ==== | ||
+ | <code c> | ||
+ | Draws an ellipse using (x,y) as a center point and xradius and yradius as | ||
+ | the horizontal and vertical axes, and fills it with the current fill | ||
+ | color and fill pattern. | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Example of fillellipse ==== | ||
+ | <code c> | ||
+ | /* fillellipse example */ | ||
+ | |||
+ | #include <graphics.h> | ||
+ | #include <stdlib.h> | ||
+ | #include <stdio.h> | ||
+ | #include <conio.h> | ||
+ | |||
+ | int main(void) | ||
+ | { | ||
+ | /* request autodetection */ | ||
+ | int gdriver = DETECT, gmode, errorcode; | ||
+ | int midx, midy, i; | ||
+ | int xradius = 100, yradius = 50; | ||
+ | |||
+ | /* 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; | ||
+ | |||
+ | /* loop through the fill patterns */ | ||
+ | for (i = EMPTY_FILL; i < USER_FILL; i++) { | ||
+ | /* set fill pattern */ | ||
+ | setfillstyle(i, getmaxcolor()); | ||
+ | |||
+ | /* draw a filled ellipse */ | ||
+ | fillellipse(midx, midy, xradius, yradius); | ||
+ | getch(); | ||
+ | } | ||
+ | |||
+ | /* clean up */ | ||
+ | closegraph(); | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== See also ==== | ||
+ | [[arc]] | ||
+ | [[circle]] | ||
+ | [[ellipse]] | ||
+ | [[pieslice]] | ||
+ | |||
+ | |||
+ | ===== output of fillellipse example ===== | ||
+ | |||
+ | no output of example at the moment | ||
+ | do not hesitate and add it... | ||
+ | |||
+ | |||