[image] Add image_pixbuf() to create pixel buffer from image

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/core/image.c b/src/core/image.c
index d9d91013..ec448023 100644
--- a/src/core/image.c
+++ b/src/core/image.c
@@ -456,3 +456,29 @@ int image_set_trust ( int require_trusted, int permanent ) {
 
 	return 0;
 }
+
+/**
+ * Create pixel buffer from image
+ *
+ * @v image		Image
+ * @v pixbuf		Pixel buffer to fill in
+ * @ret rc		Return status code
+ */
+int image_pixbuf ( struct image *image, struct pixel_buffer **pixbuf ) {
+	int rc;
+
+	/* Check that this image can be used to create a pixel buffer */
+	if ( ( rc = image_probe ( image ) ) != 0 )
+		return rc;
+	if ( ! image->type->pixbuf )
+		return -ENOTSUP;
+
+	/* Try creating pixel buffer */
+	if ( ( rc = image->type->pixbuf ( image, pixbuf ) ) != 0 ) {
+		DBGC ( image, "IMAGE %s could not create pixel buffer: %s\n",
+		       image->name, strerror ( rc ) );
+		return rc;
+	}
+
+	return 0;
+}