mirror of https://github.com/buserror/mii_emu.git
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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first convert the .png to binary files in contrib using imagemagik:
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$ convert your_image.png -depth 8 rgba:your_image.bin
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run this with
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$ tcc -run icon-convert-tcc.c
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*/
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#include <glob.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 <ctype.h>
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#include <unistd.h>
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#include <libgen.h>
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/* this loads each contrib/mii-icon-*.bin file which is raw RGBA and
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add the header width/height, and convert the pixels to ARGB */
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int main() {
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glob_t g = {};
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glob("contrib/mii-icon-*.bin", 0, NULL, &g);
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for (int i = 0; i < g.gl_pathc; i++) {
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char * path = strdup(g.gl_pathv[i]);
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char * name = basename(path);
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char * dot = strrchr(name, '.');
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if (dot)
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*dot = 0;
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char * dup = strdup(name);
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char * size = strrchr(dup, '-');
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if (size)
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size++;
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int w = 0, h = 0;
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if (size)
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w = h = atoi(size);
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char *orig = g.gl_pathv[i];
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if (!w || !h) {
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printf("bad size %s\n", orig);
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continue;
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}
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FILE * f = fopen(orig, "rb");
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if (!f) {
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perror(orig);
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printf("bad file %s\n", orig);
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continue;
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}
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fseek(f, 0, SEEK_END);
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int size_ = ftell(f);
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fseek(f, 0, SEEK_SET);
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unsigned char * pixels = malloc(size_);
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fread(pixels, 1, size_, f);
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fclose(f);
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char out[1024];
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snprintf(out, sizeof(out), "contrib/%s.h", name);
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f = fopen(out, "wb");
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if (!f) {
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printf("bad file %s\n", out);
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continue;
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}
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fprintf(f, "/* this file is auto-generated by icon-convert-tcc.c */\n");
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// fprintf(f, "#include <stdint.h>\n");
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fprintf(f, "#define MII_ICON%d_SIZE %d\n", w, (w * h + 2));
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fprintf(f, "extern const unsigned long mii_icon%d[MII_ICON%d_SIZE];\n", w, w);
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fprintf(f, "#ifdef MII_ICON%d_DEFINE\n", w);
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fprintf(f, "const unsigned long mii_icon%d[MII_ICON%d_SIZE] = {\n",
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w, w);
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fprintf(f, "\t%d,%d,\n", w, h);
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for (int y = 0; y < h; y++) {
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fprintf(f, "\t");
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for (int x = 0; x < w; x++) {
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int i = (y * w + x) * 4;
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int r = pixels[i + 0];
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int g = pixels[i + 1];
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int b = pixels[i + 2];
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int a = pixels[i + 3];
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fprintf(f, "0x%02x%02x%02x%02x, ", a, r, g, b);
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if (x % 8 == 7)
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fprintf(f, "\n\t");
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}
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fprintf(f, "\n");
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}
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fprintf(f, "};\n");
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fprintf(f, "#endif\n");
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fclose(f);
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free(pixels);
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}
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} |