c:graphics.h:getmoderange
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| + | ===== getmoderange ===== | ||
| + | |||
| + | |||
| + | ====Syntax of getmoderange ==== | ||
| + | <code c> | ||
| + | #include <graphics.h> | ||
| + | void getmoderange(int graphdriver, int *lomode, int *himode); | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== Description of getmoderange ==== | ||
| + | <code c> | ||
| + | getmoderange gets the range of valid graphics modes for the given | ||
| + | graphics driver, graphdriver. The lowest permissible mode value is | ||
| + | returned in *lomode, and the highest permissible value is *himode. If | ||
| + | graphdriver specifies an invalid graphics driver, both *lomode and | ||
| + | *himode are set to -1. If the value of graphdriver is -1, the currently | ||
| + | loaded driver modes are given. | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== Example of getmoderange ==== | ||
| + | <code c> | ||
| + | /* getmoderange 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; | ||
| + | int low, high; | ||
| + | char mrange[80]; | ||
| + | |||
| + | /* 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; | ||
| + | |||
| + | /* get the mode range for this driver */ | ||
| + | getmoderange(gdriver, &low, &high); | ||
| + | |||
| + | /* convert mode range info. into strings */ | ||
| + | sprintf(mrange, "This driver supports modes %d..%d", low, high); | ||
| + | |||
| + | /* display the information */ | ||
| + | settextjustify(CENTER_TEXT, CENTER_TEXT); | ||
| + | outtextxy(midx, midy, mrange); | ||
| + | |||
| + | |||
| + | /* clean up */ | ||
| + | getch(); | ||
| + | closegraph(); | ||
| + | return 0; | ||
| + | } | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== See also ==== | ||
| + | [[getgraphmode]] | ||
| + | [[getmaxmode]] | ||
| + | [[getmodename]] | ||
| + | [[initgraph]] | ||
| + | [[setgraphmode]] | ||
| + | |||
| + | |||
| + | ===== output of getmoderange example ===== | ||
| + | |||
| + | no output of example at the moment | ||
| + | do not hesitate and add it... | ||
| + | |||
| + | |||
on the occasion of the current invasion of Russia in Ukraine
c/graphics.h/getmoderange.txt · Last modified: 2024/02/16 01:05 (external edit)
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