C++ (Cpp) dt_imageio_is_hdr Examples

Example #1

File: imageio.c Project: CoreyChen922/darktable

dt_imageio_retval_t dt_imageio_open(dt_image_t *img,               // non-const * means you hold a write lock!
                                    const char *filename,          // full path
                                    dt_mipmap_buffer_t *buf)
{
  /* first of all, check if file exists, don't bother to test loading if not exists */
  if(!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) return !DT_IMAGEIO_OK;

  dt_imageio_retval_t ret = DT_IMAGEIO_FILE_CORRUPTED;
  img->loader = LOADER_UNKNOWN;

  /* check if file is ldr using magic's */
  if(dt_imageio_is_ldr(filename)) ret = dt_imageio_open_ldr(img, filename, buf);

  /* silly check using file extensions: */
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL && dt_imageio_is_hdr(filename))
    ret = dt_imageio_open_hdr(img, filename, buf);
  
  /* use rawspeed to load the raw */
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
  {
    ret = dt_imageio_open_rawspeed(img, filename, buf);
    if(ret == DT_IMAGEIO_OK) img->loader = LOADER_RAWSPEED;
  }

  /* fallback that tries to open file via GraphicsMagick */
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
    ret = dt_imageio_open_exotic(img, filename, buf);

  return ret;
}

Example #2

dt_imageio_retval_t
dt_imageio_open(
  dt_image_t  *img,               // non-const * means you hold a write lock!
  const char  *filename,          // full path
  dt_mipmap_cache_allocator_t a)  // allocate via dt_mipmap_cache_alloc
{
  /* first of all, check if file exists, don't bother to test loading if not exists */
  if(!g_file_test(filename, G_FILE_TEST_IS_REGULAR))
    return !DT_IMAGEIO_OK;

  dt_imageio_retval_t ret = DT_IMAGEIO_FILE_CORRUPTED;

  /* check if file is ldr using magic's */
  if (dt_imageio_is_ldr(filename))
    ret = dt_imageio_open_ldr(img, filename, a);

  /* silly check using file extensions: */
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL && dt_imageio_is_hdr(filename))
    ret = dt_imageio_open_hdr(img, filename, a);

#ifdef HAVE_RAWSPEED
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
    ret = dt_imageio_open_rawspeed(img, filename, a);
#endif

  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
    ret = dt_imageio_open_raw(img, filename, a);

#ifdef HAVE_GRAPHICSMAGICK
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
    ret = dt_imageio_open_gm(img, filename, a);
#else
  if(ret != DT_IMAGEIO_OK && ret != DT_IMAGEIO_CACHE_FULL)
    ret = dt_imageio_open_ldr(img, filename, a);
#endif

  img->flags &= ~DT_IMAGE_THUMBNAIL;

  return ret;
}