202 lines
4.0 KiB
C
202 lines
4.0 KiB
C
#include <stdio.h>
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#include <math.h>
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#include <stdint.h>
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static int gradient[9][16]={
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{0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0},
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{1,0,1,0, 0,0,0,0, 0,1,0,1, 0,0,0,0},
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{1,0,1,0, 0,1,0,1, 1,0,1,0, 0,1,0,1},
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{0,1,0,1, 1,1,1,1, 1,0,1,0, 1,1,1,1},
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{1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1},
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{2,1,2,1, 1,1,1,1, 1,2,1,2, 1,1,1,1},
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{2,1,2,1, 2,1,2,1, 2,1,2,1, 2,1,2,1},
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{1,2,1,2, 2,2,2,2, 2,1,2,1, 2,2,2,2},
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{2,2,2,2, 2,2,2,2, 2,2,2,2, 2,2,2,2},
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};
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/* Note, this isn't the actual numbering used on Apple II */
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#define COLOR_BLACK 0
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#define COLOR_GREEN 1
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#define COLOR_PURPLE 2
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#define COLOR_ORANGE 3
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#define COLOR_BLUE 4
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#define COLOR_WHITE 5
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static int pal_rgb[6][3]={
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{0x00,0x00,0x00}, // black
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{0x1b,0xcb,0x01}, // green
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{0xe4,0x34,0xfe}, // purple
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{0xcd,0x5b,0x01}, // orange
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{0x1b,0x9a,0xfe}, // blue
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{0x00,0x00,0x00}, // white
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};
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static char qualifiers[9][32]={
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"",
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"Darkest",
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"Dark",
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"LightDark",
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"",
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"Darklight",
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"Light",
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"Lightest"
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"",
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};
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static int do_gradient(char *name,uint32_t cr, uint32_t cg, uint32_t cb) {
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int c,x;
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int r,g,b;
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for(x=1;x<8;x++) {
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r=0;
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g=0;
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b=0;
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for(c=0;c<16;c++) {
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if (gradient[x][c]==0) {
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}
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if (gradient[x][c]==1) {
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r=r+2*(cr*cr);
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g=g+2*(cg*cg);
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b=b+2*(cb*cb);
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}
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if (gradient[x][c]==2) {
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r=r+2*(0xff*0xff);
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g=g+2*(0xff*0xff);
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b=b+2*(0xff*0xff);
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}
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}
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printf("%4d %4d %4d ",
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(int)sqrt(r/32.0),
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(int)sqrt(g/32.0),
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(int)sqrt(b/32.0));
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if (qualifiers[x][0]) printf("%s ",qualifiers[x]);
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printf("%s\n",name);
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}
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return 0;
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}
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static int do_stripe(char *name,uint32_t cr1, uint32_t cg1, uint32_t cb1,
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uint32_t cr2, uint32_t cg2, uint32_t cb2) {
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int r,g,b;
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r=0;
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g=0;
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b=0;
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r=r+2*(cr1*cr1);
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g=g+2*(cg1*cg1);
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b=b+2*(cb1*cb1);
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r=r+2*(cr2*cr2);
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g=g+2*(cg2*cg2);
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b=b+2*(cb2*cb2);
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printf("%4d %4d %4d ",
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(int)sqrt(r/4.0),
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(int)sqrt(g/4.0),
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(int)sqrt(b/4.0));
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printf("%s\n",name);
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return 0;
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}
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int main(int argc, char **argv) {
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printf("GIMP Palette\n");
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printf("Name: Hires Gradient Total\n");
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printf("Columns: 7\n");
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printf("#\n");
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do_gradient("Orange",pal_rgb[COLOR_ORANGE][0],
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pal_rgb[COLOR_ORANGE][1],
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pal_rgb[COLOR_ORANGE][2]);
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do_gradient("Blue",pal_rgb[COLOR_BLUE][0],
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pal_rgb[COLOR_BLUE][1],
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pal_rgb[COLOR_BLUE][2]);
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do_gradient("Purple",
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pal_rgb[COLOR_PURPLE][0],
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pal_rgb[COLOR_PURPLE][1],
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pal_rgb[COLOR_PURPLE][2]);
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do_gradient("Green",
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pal_rgb[COLOR_GREEN][0],
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pal_rgb[COLOR_GREEN][1],
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pal_rgb[COLOR_GREEN][2]);
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do_gradient("Grey",
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pal_rgb[COLOR_WHITE][0],
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pal_rgb[COLOR_WHITE][1],
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pal_rgb[COLOR_WHITE][2]);
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do_stripe("PurpleGreen",
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pal_rgb[COLOR_GREEN][0],
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pal_rgb[COLOR_GREEN][1],
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pal_rgb[COLOR_GREEN][2],
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pal_rgb[COLOR_PURPLE][0],
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pal_rgb[COLOR_PURPLE][1],
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pal_rgb[COLOR_PURPLE][2]);
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do_stripe("OrangeGreen",
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pal_rgb[COLOR_GREEN][0],
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pal_rgb[COLOR_GREEN][1],
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pal_rgb[COLOR_GREEN][2],
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pal_rgb[COLOR_ORANGE][0],
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pal_rgb[COLOR_ORANGE][1],
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pal_rgb[COLOR_ORANGE][2]);
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do_stripe("BlueGreen",
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pal_rgb[COLOR_GREEN][0],
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pal_rgb[COLOR_GREEN][1],
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pal_rgb[COLOR_GREEN][2],
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pal_rgb[COLOR_BLUE][0],
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pal_rgb[COLOR_BLUE][1],
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pal_rgb[COLOR_BLUE][2]);
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do_stripe("PurpleBlue",
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pal_rgb[COLOR_PURPLE][0],
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pal_rgb[COLOR_PURPLE][1],
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pal_rgb[COLOR_PURPLE][2],
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pal_rgb[COLOR_BLUE][0],
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pal_rgb[COLOR_BLUE][1],
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pal_rgb[COLOR_BLUE][2]);
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do_stripe("OrangeBlue",
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pal_rgb[COLOR_ORANGE][0],
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pal_rgb[COLOR_ORANGE][1],
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pal_rgb[COLOR_ORANGE][2],
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pal_rgb[COLOR_BLUE][0],
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pal_rgb[COLOR_BLUE][1],
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pal_rgb[COLOR_BLUE][2]);
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/* hard-code black and white */
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printf("%4d %4d %4d Black\n",0,0,0);
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printf("%4d %4d %4d White\n",255,255,255);
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return 0;
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}
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/*
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114 26 127 Darkest Green
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161 36 179 Dark Green
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197 45 219 LightDark Green
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228 52 254 Green
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235 135 254 Darklight Green
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241 184 254 Light Green
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248 222 254 Lightest Green
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13 101 0 Darkest Purple
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19 143 0 Dark Purple
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23 175 0 Lightdark Purple
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27 203 1 Purple
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129 217 127 Darklight Purple
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181 230 180 Light Purple
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221 243 220 Lightest Purple
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*/
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