127 lines
2.6 KiB
C
127 lines
2.6 KiB
C
/**
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* Copyright (c) 2021 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include "../utils/common.h"
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#include "../utils/file.h"
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#include "../utils/image.h"
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#define RESIZE_VARIANT_COUNT 5
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int RESIZE_SCALES[RESIZE_VARIANT_COUNT] = { 1, 2, 3, 4, 10 };
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int main(int argc, char *argv[]) {
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FILE *file;
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char path[FILENAME_MAX + 1];
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char xml[2048];
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char *in;
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char *out;
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int w, h, channels, rw, rh, i, scale;
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stbi_uc *dataOriginal;
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stbi_uc *dataResized;
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if(argc != 3) {
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printf("Invalid number of arguments\n");
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return 1;
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}
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// Set up strings
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in = argv[1];
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out = argv[2];
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// Normalize slashes
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fileNormalizeSlashes(in);
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fileNormalizeSlashes(out);
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// Check the output doesn't already exist
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sprintf(path, "%s.xml", out);
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file = fopen(path, "rb");
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if(file != NULL) {
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fclose(file);
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return 0;
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}
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// Read in original texture
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file = fopen(in, "rb");
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if(file == NULL) {
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printf("Failed to open file!\n");
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return 1;
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}
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dataOriginal = stbi_load_from_file(file, &w, &h, &channels, STBI_rgb_alpha);
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if(dataOriginal == NULL) {
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printf("Failed to load input texture!\n");
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return 1;
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}
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fclose(file);
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// Begin XML buffering
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xml[0] = '\0';
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sprintf(xml,
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"<texture channels=\"%i\" width=\"%i\" height=\"%i\">",
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STBI_rgb_alpha, w, h
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);
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// For each scale.
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for(i = 0; i < RESIZE_VARIANT_COUNT; i++) {
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// Resize image
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scale = RESIZE_SCALES[i];
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rw = w / scale;
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rh = h / scale;
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dataResized = malloc(sizeof(stbi_uc) * rw * rh * STBI_rgb_alpha);
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stbir_resize_uint8(
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dataOriginal, w, h, 0,
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dataResized, rw, rh, 0,
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STBI_rgb_alpha
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);
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// Determine output path
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sprintf(path, "%s_%i.texture", out, scale);
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// Open output file
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fileMkdirp(path);
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printf("OPOut %s\n", path);
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file = fopen(path, "wb");
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if(file == NULL) {
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printf("Invalid texture file out!\n");
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return 1;
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}
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// Write texture
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fwrite(dataResized, sizeof(unsigned char), rw * rh * STBI_rgb_alpha, file);
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// Cleanup
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fclose(file);
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free(dataResized);
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// Buffer XML info.
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sprintf(xml,
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"%s\n <texture-scale scale=\"%i\" width=\"%i\" height=\"%i\" />",
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xml, scale, rw, rh
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);
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}
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// Cleanup
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stbi_image_free(dataOriginal);
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// Finalize XML
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sprintf(xml, "%s\n</texture>", xml);
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// Determine XML path
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sprintf(path, "%s.xml", out);
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// Write XML
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fileMkdirp(path);
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file = fopen(path, "w");
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if(file == NULL) {
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printf("Invalid XML File Out!\n");
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return 1;
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}
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fwrite(xml, sizeof(char), strlen(xml), file);
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fclose(file);
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return 0;
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} |