obs-studio/libobs/graphics/graphics-magick.c

60 lines
1.4 KiB
C

#include "graphics.h"
#define MAGICKCORE_QUANTUM_DEPTH 16
#define MAGICKCORE_HDRI_ENABLE 0
#include <magick/MagickCore.h>
void gs_init_image_deps()
{
MagickCoreGenesis(NULL, MagickTrue);
}
void gs_free_image_deps()
{
MagickCoreTerminus();
}
gs_texture_t gs_texture_create_from_file(const char *file)
{
gs_texture_t tex = NULL;
ImageInfo *info;
ExceptionInfo *exception;
Image *image;
if (!file || !*file)
return NULL;
info = CloneImageInfo(NULL);
exception = AcquireExceptionInfo();
strcpy(info->filename, file);
image = ReadImage(info, exception);
if (image) {
size_t cx = image->magick_columns;
size_t cy = image->magick_rows;
uint8_t *data = malloc(cx * cy * 4);
ExportImagePixels(image, 0, 0, cx, cy, "BGRA", CharPixel,
data, exception);
if (exception->severity == UndefinedException)
tex = gs_texture_create(cx, cy, GS_BGRA, 1,
(const uint8_t**)&data, 0);
else
blog(LOG_WARNING, "magickcore warning/error getting "
"pixels from file '%s': %s", file,
exception->reason);
free(data);
DestroyImage(image);
} else if (exception->severity != UndefinedException) {
blog(LOG_WARNING, "magickcore warning/error reading file "
"'%s': %s", file, exception->reason);
}
DestroyImageInfo(info);
DestroyExceptionInfo(exception);
return tex;
}