Header file:
graphics.h
Synopsis:
void getpalette(struct palettetype *palette);
struct palettetype {
unsigned char size; /* no of colors in the palette */
signed char color[MAXCOLOR + 1] /* color nos for each entry in the palette */
};
Description:
getpalette() gets current palette information.
getpalette function in c graphics
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void) {
/* request auto detection */
int graphicDriver = DETECT, graphicMode;
int err, i, x, y;
struct palettetype palette;
char size[32], colors[32];
/* initialize graphics and local variables */
initgraph(&graphicDriver, &graphicMode,
"C:/TURBOC3/BGI");
/* read result of initialization */
err = graphresult();
if (err != grOk) {
/* an error occurred */
printf("Graphic Error: %s\n",
grapherrormsg(err));
getch();
return 0;
}
x = getmaxx() / 2;
y = 50;
/* get the current palette information */
getpalette(&palette);
/* store palette size in a string */
sprintf(size, "Palette size: %d", palette.size);
/* display the information */
outtextxy(0, y, size);
for (i=0; i<palette.size && palette.size; i++) {
y = y + 10;
/* store the palette color information in a string */
sprintf(colors, "palette[%02d]: 0x%02X",
i, palette.colors[i]);
/* display the information */
outtextxy(0, y, colors);
}
/* clean up */
getch();
closegraph();
return 0;
}
Output: (getpalette built-in function in c graphics.h)
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