85 lines
1.4 KiB
C
85 lines
1.4 KiB
C
#include <stdio.h>
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#include <math.h>
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int gr_colors[16][3]={
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{ 0, 0, 0},
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{227, 30, 96},
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{ 96, 78,189},
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{255, 68,253},
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{ 0,163, 96},
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{156,156,156},
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{ 20,207,253},
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{208,195,255},
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{ 96,114, 3},
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{255,106, 60},
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{157,157,157},
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{255,160,208},
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{ 20,245, 60},
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{208,221,141},
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{114,255,208},
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{255,255,255},
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};
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int average(int col1, int col2) {
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double c1,c2,r1;
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c1=col1;
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c2=col2;
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c1=c1*c1;
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c2=c2*c2;
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r1=sqrt((c1+c2)/2.0);
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// printf("%lfx%lf=%lf %lf %lf\n",c1,c2,c1*c2,c1*c2/2.0,r1);
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return r1;
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}
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void gen_color(int col1, int col2) {
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printf("%d\t%d\t%d\tUntitled-%d-%d\n",
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average(gr_colors[col1][0],gr_colors[col2][0]),
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average(gr_colors[col1][1],gr_colors[col2][1]),
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average(gr_colors[col1][2],gr_colors[col2][2]),col1,col2);
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return;
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}
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void hex_color(int col1, int col2) {
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if (col1>=col2)
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printf("\t\tcase 0x%02x%02x%02x: hi=%d; low=%d; break;\n",
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average(gr_colors[col1][0],gr_colors[col2][0]),
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average(gr_colors[col1][1],gr_colors[col2][1]),
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average(gr_colors[col1][2],gr_colors[col2][2]),col1,col2);
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return;
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}
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int main(int argc, char **argv) {
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int x,y;
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#if 1
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printf("GIMP Palette\n");
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printf("Name: Apple II Lores Dither.gpl\n");
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printf("Columns: 16\n");
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printf("#\n");
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for(x=0;x<16;x++) {
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for(y=0;y<16;y++) {
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gen_color(x,y);
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}
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}
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#else
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for(x=0;x<16;x++) {
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for(y=0;y<16;y++) {
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hex_color(x,y);
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}
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}
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#endif
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return 0;
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}
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