singe/thirdparty/SDL3_ttf/external/plutosvg/examples/svg2png.c

66 lines
1.7 KiB
C

#include <plutosvg.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
static const char* basename(const char* path)
{
const char* slash1 = strrchr(path, '/');
const char* slash2 = strrchr(path, '\\');
const char* last_slash = slash1 > slash2 ? slash1 : slash2;
return last_slash ? last_slash + 1 : path;
}
static double elapsed_time(clock_t start, clock_t end)
{
return ((double)(end - start)) / CLOCKS_PER_SEC;
}
#define TIMED(label, path, expression) do { \
clock_t start = clock(); \
expression; \
clock_t end = clock(); \
fprintf(stdout, "Finished %s '%s' in %.3f seconds\n", label, basename(path), elapsed_time(start, end)); \
} while(0)
int main(int argc, char* argv[])
{
if(argc != 3 && argc != 4) {
fprintf(stderr, "Usage: svg2png input output [id]\n");
return -1;
}
const char* input = argv[1];
const char* output = argv[2];
const char* id = NULL;
if(argc == 4) {
id = argv[3];
}
plutosvg_document_t* document = NULL;
plutovg_surface_t* surface = NULL;
TIMED("loading", input, document = plutosvg_document_load_from_file(input, -1, -1));
if(document == NULL) {
fprintf(stderr, "Unable to load '%s'\n", input);
goto cleanup;
}
TIMED("rendering", input, surface = plutosvg_document_render_to_surface(document, id, -1, -1, NULL, NULL, NULL));
if(surface == NULL) {
fprintf(stderr, "Unable to render '%s'\n", input);
goto cleanup;
}
TIMED("writing", output, if(!plutovg_surface_write_to_png(surface, output)) {
fprintf(stderr, "Unable to write '%s'\n", output);
goto cleanup;
});
cleanup:
plutovg_surface_destroy(surface);
plutosvg_document_destroy(document);
return 0;
}