87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "options.h"
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mazeoptions_t* mazemaker_options_new() {
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mazeoptions_t* result = malloc(sizeof(mazeoptions_t));
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// set defaults
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memset(result->wall_color, 0, 3);
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memset(result->background_color, 0xff, 3);
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result->seed = 0;
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result->seed_set = false;
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return result;
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}
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void mazemaker_options_free(mazeoptions_t* options) {
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free(options);
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}
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static int interpretColorName(char const* color_desc, rgb_color_t dst) {
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if (0 == strcasecmp(color_desc, "black")) { dst[0] = dst[1] = dst[2] = 0; }
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else if (0 == strcasecmp(color_desc, "white")) { dst[0] = dst[1] = dst[2] = 0xff; }
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else if (0 == strcasecmp(color_desc, "red")) { dst[0] = 0xff; dst[1] = dst[2] = 0; }
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else if (0 == strcasecmp(color_desc, "blue")) { dst[0] = dst[1] = 0; dst[2] = 0xff; }
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else if (0 == strcasecmp(color_desc, "green")) { dst[0] = dst[2] = 0; dst[1] = 0xff; }
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else if (0 == strcasecmp(color_desc, "yellow")) { dst[2] = 0; dst[0] = dst[1] = 0xff; }
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else if ((0 == strcasecmp(color_desc, "magenta")) ||
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(0 == strcasecmp(color_desc, "purple"))) { dst[1] = 0; dst[0] = dst[2] = 0xff; }
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else if (0 == strcasecmp(color_desc, "cyan")) { dst[0] = 0; dst[1] = dst[2] = 0xff; }
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else if (0 == strcasecmp(color_desc, "orange")) { dst[0] = 0xff; dst[1] = 0x7f; dst[2] = 0; }
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else if (0 == strcasecmp(color_desc, "brown")) { dst[0] = 0x7f; dst[1] = 0x3f; dst[2] = 0; }
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else if ((0 == strcasecmp(color_desc, "gray")) ||
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(0 == strcasecmp(color_desc, "grey"))) { dst[0] = dst[1] = dst[2] = 0x7f; }
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else if (0 == strcasecmp(color_desc, "darkblue")) { dst[0] = dst[1] = 0; dst[2] = 0x7f; }
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else if (0 == strcasecmp(color_desc, "darkgreen")) { dst[0] = dst[2] = 0; dst[1] = 0x7f; }
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else if (0 == strcasecmp(color_desc, "darkred")) { dst[0] = 0x7f; dst[1] = dst[2] = 0; }
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else if (0 == strcasecmp(color_desc, "pink")) { dst[0] = 0xff; dst[1] = 0xa0; dst[2] = 0xbf; }
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else if ((0 == strcasecmp(color_desc, "darkmagenta")) ||
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(0 == strcasecmp(color_desc, "darkpurple"))) { dst[1] = 0; dst[0] = dst[2] = 0x7f; }
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else if (0 == strcasecmp(color_desc, "darkcyan")) { dst[0] = 0; dst[1] = dst[2] = 0x7f; }
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else return -1;
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return 0;
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}
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static int stringToColor(char const* color_desc, rgb_color_t dst) {
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if (color_desc[0] != '#') return interpretColorName(color_desc, dst);
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size_t l;
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for (l = 1; color_desc[l] != '\0'; l++) if (!isxdigit(color_desc[l])) return -1; // bad format
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if ((l != 4) && (l != 7)) return -1; // bad format
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char x2[3] = { 0, 0, 0 };
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if (l == 4) {
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x2[0] = x2[1] = color_desc[1];
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sscanf(x2, "%hhx", &dst[0]);
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x2[0] = x2[1] = color_desc[2];
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sscanf(x2, "%hhx", &dst[1]);
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x2[0] = x2[1] = color_desc[3];
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sscanf(x2, "%hhx", &dst[2]);
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} else {
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strncpy(x2, color_desc + 1, 2);
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sscanf(x2, "%hhx", &dst[0]);
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strncpy(x2, color_desc + 3, 2);
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sscanf(x2, "%hhx", &dst[1]);
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strncpy(x2, color_desc + 5, 2);
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sscanf(x2, "%hhx", &dst[2]);
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}
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return 0;
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}
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int mazemaker_options_set_wall_color(mazeoptions_t* options, char const* color_desc) {
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return stringToColor(color_desc, options->wall_color);
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}
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int mazemaker_options_set_background_color(mazeoptions_t* options, char const* color_desc) {
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return stringToColor(color_desc, options->background_color);
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}
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void mazemaker_options_set_seed(mazeoptions_t* options, rand_seed_t seed) {
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options->seed = seed;
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options->seed_set = true;
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}
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