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c:graphics.h:getdefaultpalette [2015/05/06 23:06] |
c:graphics.h:getdefaultpalette [2024/02/16 01:05] (current) |
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+ | ===== getdefaultpalette ===== | ||
+ | |||
+ | |||
+ | ====Syntax of getdefaultpalette ==== | ||
+ | <code c> | ||
+ | #include <graphics.h> | ||
+ | struct palettetype *getdefaultpalette(void); | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Description of getdefaultpalette ==== | ||
+ | <code c> | ||
+ | getdefaultpalette finds the palettetype structure that contains the | ||
+ | palette initialized by the driver during initgraph. | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Example of getdefaultpalette ==== | ||
+ | <code c> | ||
+ | /* getdefaultpalette example */ | ||
+ | |||
+ | #include <graphics.h> | ||
+ | #include <stdlib.h> | ||
+ | #include <stdio.h> | ||
+ | #include <conio.h> | ||
+ | |||
+ | int main(void) | ||
+ | { | ||
+ | /* request autodetection */ | ||
+ | int gdriver = DETECT, gmode, errorcode; | ||
+ | |||
+ | |||
+ | /* pointer to palette structure */ | ||
+ | struct palettetype *pal = NULL; | ||
+ | int i; | ||
+ | |||
+ | /* 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 */ | ||
+ | } | ||
+ | |||
+ | /* return a pointer to the default palette */ | ||
+ | pal = getdefaultpalette(); | ||
+ | for (i=0; i<pal->size; i++) { | ||
+ | printf("colors[%d] = %d\n", i, pal->colors[i]); | ||
+ | getch(); | ||
+ | } | ||
+ | |||
+ | /* clean up */ | ||
+ | getch(); | ||
+ | closegraph(); | ||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== See also ==== | ||
+ | [[getpalette]] | ||
+ | [[initgraph]] | ||
+ | |||
+ | |||
+ | ===== output of getdefaultpalette example ===== | ||
+ | |||
+ | no output of example at the moment | ||
+ | do not hesitate and add it... | ||
+ | |||
+ | |||