- if (unlikely(!image_io_read_data_prepare(&rdi, io, rd->image->columns, rd->image->rows)))
+ uint read_flags = io->flags;
+ uint cs = read_flags & IMAGE_COLOR_SPACE;
+ if (cs != COLOR_SPACE_GRAYSCALE && cs != COLOR_SPACE_RGB)
+ read_flags = (read_flags & ~IMAGE_COLOR_SPACE & IMAGE_PIXEL_FORMAT) | COLOR_SPACE_RGB;
+ if ((read_flags & IMAGE_IO_USE_BACKGROUND) && !(read_flags & IMAGE_ALPHA))
+ read_flags = (read_flags & IMAGE_CHANNELS_FORMAT) | IMAGE_ALPHA;
+ if (unlikely(!image_io_read_data_prepare(&rdi, io, rd->image->columns, rd->image->rows, read_flags)))