Add support for the PDF blend mode operators.

render.h

@@ -33,7 +33,7 @@ typedef XID		PictFormat;
 
 #define RENDER_NAME	"RENDER"
 #define RENDER_MAJOR	0
-#define RENDER_MINOR	10
+#define RENDER_MINOR	11
 
 #define X_RenderQueryVersion		    0
 #define X_RenderQueryPictFormats	    1
@@ -139,6 +139,27 @@ typedef XID		PictFormat;
 #define PictOpConjointXor			    0x2b
 #define PictOpConjointMaximum			    0x2b
 
+/*
+ * Operators only available in version 0.11
+ */
+#define PictOpBlendMinimum			    0x30
+#define PictOpMultiply				    0x30
+#define PictOpScreen				    0x31
+#define PictOpOverlay				    0x32
+#define PictOpDarken				    0x33
+#define PictOpLighten				    0x34
+#define PictOpColorDodge			    0x35
+#define PictOpColorBurn				    0x36
+#define PictOpHardLight				    0x37
+#define PictOpSoftLight				    0x38
+#define PictOpDifference			    0x39
+#define PictOpExclusion				    0x3a
+#define PictOpHSLHue				    0x3b
+#define PictOpHSLSaturation			    0x3c
+#define PictOpHSLColor				    0x3d
+#define PictOpHSLLuminosity			    0x3e
+#define PictOpBlendMaximum			    0x3e
+
 #define PolyEdgeSharp			    0
 #define PolyEdgeSmooth			    1
 

renderproto.txt

@@ -139,7 +139,11 @@ PICTOP		{ Clear, Src, Dst, Over, OverReverse, In, InReverse,
 		  ConjointClear, ConjointSrc, ConjointDst, ConjointOver,
 		  ConjointOverReverse, ConjointIn, ConjointInReverse,
 		  ConjointOut, ConjointOutReverse, ConjointAtop,
-		  ConjointAtopReverse, ConjointXor }
+		  ConjointAtopReverse, ConjointXor,
+		  Multiply, Screen, Overlay, Darken, Lighten, ColorDodge,
+		  ColorBurn, HardLight, SoftLight, Difference, Exclusion,
+		  HSLHue, HSLSaturation, HSLColor, HSLLuminosity
+		}
 SUBPIXEL	{ Unknown, HorizontalRGB, HorizontalBGR, 
 		  VerticalRGB, VerticalBGR, None
 		}
@@ -1197,3 +1201,7 @@ what each version before 1.0 implemented:
 
 		The repeat picture attribute now supports Pad and
 		Reflect, older versions only supported None and Normal.
+
+	0.11:
+		Blend mode operators
+