gsk: Add missing blend modes

This brings GSK blend modes in line with the CSS spec.

diff --git a/gsk/gskenums.h b/gsk/gskenums.h
index 670a034b60dbfb5d8e4195d1ee5e7356eaf761d3..145d03546cb4a60f18b333e23e85d386cf51ef09 100644 (file)
--- a/gsk/gskenums.h
+++ b/gsk/gskenums.h
@@ -87,6 +87,10 @@ typedef enum {
  * @GSK_BLEND_MODE_SOFT_LIGHT: ...
  * @GSK_BLEND_MODE_DIFFERENCE: ...
  * @GSK_BLEND_MODE_EXCLUSION: ...
+ * @GSK_BLEND_MODE_COLOR: ...
+ * @GSK_BLEND_MODE_HUE: ...
+ * @GSK_BLEND_MODE_SATURATION: ...
+ * @GSK_BLEND_MODE_LUMINOSITY: ...
  *
  * The blend modes available for render nodes.
  *
@@ -108,7 +112,11 @@ typedef enum {
   GSK_BLEND_MODE_HARD_LIGHT,
   GSK_BLEND_MODE_SOFT_LIGHT,
   GSK_BLEND_MODE_DIFFERENCE,
-  GSK_BLEND_MODE_EXCLUSION
+  GSK_BLEND_MODE_EXCLUSION,
+  GSK_BLEND_MODE_COLOR,
+  GSK_BLEND_MODE_HUE,
+  GSK_BLEND_MODE_SATURATION,
+  GSK_BLEND_MODE_LUMINOSITY
 } GskBlendMode;
 
 /**