c:graphics.h:line
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c:graphics.h:line [2015/05/06 23:06] |
c:graphics.h:line [2024/02/16 01:05] (current) |
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| + | ===== line ===== | ||
| + | |||
| + | |||
| + | ====Syntax of line ==== | ||
| + | <code c> | ||
| + | #include <graphics.h> | ||
| + | void line(int x1, int y1, int x2, int y2); | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== Description of line ==== | ||
| + | <code c> | ||
| + | line draws a line in the current color, using the current line style and | ||
| + | thickness between the two points specified, (x1,y1) and (x2,y2), without | ||
| + | updating the current position (CP). | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== Example of line ==== | ||
| + | <code c> | ||
| + | /* line example */ | ||
| + | |||
| + | #include <graphics.h> | ||
| + | #include <stdlib.h> | ||
| + | #include <stdio.h> | ||
| + | #include <conio.h> | ||
| + | |||
| + | int main(void) | ||
| + | { | ||
| + | |||
| + | /* request autodetection */ | ||
| + | int gdriver = DETECT, gmode, errorcode; | ||
| + | int xmax, ymax; | ||
| + | |||
| + | /* 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); | ||
| + | } | ||
| + | |||
| + | setcolor(getmaxcolor()); | ||
| + | xmax = getmaxx(); | ||
| + | ymax = getmaxy(); | ||
| + | |||
| + | /* draw a diagonal line */ | ||
| + | line(0, 0, xmax, ymax); | ||
| + | |||
| + | /* clean up */ | ||
| + | getch(); | ||
| + | closegraph(); | ||
| + | return 0; | ||
| + | } | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== See also ==== | ||
| + | [[getlinesettings]] | ||
| + | [[linerel]] | ||
| + | [[lineto]] | ||
| + | [[setcolor]] | ||
| + | [[setlinestyle]] | ||
| + | [[setwritemode]] | ||
| + | |||
| + | |||
| + | ===== output of line example ===== | ||
| + | |||
| + | no output of example at the moment | ||
| + | do not hesitate and add it... | ||
| + | |||
| + | |||
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