116 lines
1.7 KiB
C
116 lines
1.7 KiB
C
#include "cram.h"
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#include "dirent.h"
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#include "stb_image_write.h"
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#define MAX_DIR_LENGTH 2048
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static Cram_Context *context;
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#ifdef _WIN32
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#define SEPARATOR "\\"
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#endif
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#ifdef __unix__
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#define SEPARATOR "/"
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#endif
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static const char* GetFilenameExtension(const char *filename)
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{
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const char *dot = strrchr(filename, '.');
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if (!dot || dot == filename)
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{
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return "";
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}
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return dot + 1;
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}
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/* Mostly taken from K&R C 2nd edition page 182 */
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static void dirwalk(char *dir)
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{
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dirent *dp;
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DIR *dfd;
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char subname[2048];
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if ((dfd = opendir(dir)) == NULL)
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{
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fprintf(stderr, "Can't open %s\n", dir);
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return;
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}
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while ((dp = readdir(dfd)) != NULL)
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{
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if ( strcmp(dp->d_name, ".") == 0 ||
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strcmp(dp->d_name, "..") == 0
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)
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{
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continue;
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}
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sprintf(subname, "%s%s%s", dir, SEPARATOR, dp->d_name);
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if (dp->d_type == DT_DIR)
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{
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dirwalk(subname);
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}
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else
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{
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if (strcmp(GetFilenameExtension(subname), "png") == 0)
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{
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Cram_AddFile(context, subname);
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}
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else
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{
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fprintf(stdout, "skipping %s\n", subname);
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}
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}
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}
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closedir(dfd);
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}
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int main(int argc, char *argv[])
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{
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Cram_ContextCreateInfo createInfo;
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uint8_t *pixelData;
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uint32_t width;
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uint32_t height;
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if (argc < 2)
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{
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fprintf(stderr, "Must provide directory!\n");
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return 1;
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}
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createInfo.padding = 0;
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createInfo.trim = 1;
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createInfo.maxDimension = 8192;
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createInfo.name = "test";
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context = Cram_Init(&createInfo);
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dirwalk(argv[1]);
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Cram_Pack(context);
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Cram_GetPixelData(context, &pixelData, &width, &height);
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stbi_write_png(
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"output.png",
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width,
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height,
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4,
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pixelData,
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width * 4
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);
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Cram_Destroy(context);
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return 0;
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}
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