From c5fb01edaacbc3128d24037a6bcaeec4812b2ffb Mon Sep 17 00:00:00 2001
From: Andrey Sidorov <andrey.sidorov@digital-logic.com.au>
Date: Mon, 26 Oct 2015 10:09:01 +1100
Subject: [PATCH] added PictOp constant codes

---
 lib/ext/render.js | 75 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/lib/ext/render.js b/lib/ext/render.js
index bbfc525..eebe912 100644
--- a/lib/ext/render.js
+++ b/lib/ext/render.js
@@ -198,7 +198,7 @@ exports.requireExt = function(display, callback)
                   if (filterParams.length != 0) {
                     throw 'Render.SetPictureFilter: "' + name + '" - unexpected parameters for filters';
                   }
-                } else if (name == 'convolution' || ) {
+                } else if (name == 'convolution') {
                    if (filterParams.length < 2 || filterParams[0]*filterParams[1] !== filterParams.length + 2) {
                      throw 'Render.SetPictureFilter: "convolution" - incorrect matrix dimensions. Must be flat array [ w, h, elem1, elem2, ... ]';
                    }
@@ -600,5 +600,78 @@ exports.requireExt = function(display, callback)
               };
             });
 
+            ext.PictOp = {
+              Minimum:    0,
+              Clear:    0,
+              Src:    1,
+              Dst:    2,
+              Over:    3,
+              OverReverse:   4,
+              In:    5,
+              InReverse:    6,
+              Out:    7,
+              OutReverse:    8,
+              Atop:    9,
+              AtopReverse:    10,
+              Xor:    11,
+              Add:    12,
+              Saturate:    13,
+              Maximum:    13,
+
+            /*,
+             * Operators only available in version 0.2,
+             */
+              DisjointMinimum:    0x10,
+              DisjointClear:    0x10,
+              DisjointSrc:    0x11,
+              DisjointDst:    0x12,
+              DisjointOver:    0x13,
+              DisjointOverReverse:    0x14,
+              DisjointIn:    0x15,
+              DisjointInReverse:    0x16,
+              DisjointOut:    0x17,
+              DisjointOutReverse:    0x18,
+              DisjointAtop:    0x19,
+              DisjointAtopReverse:    0x1a,
+              DisjointXor:    0x1b,
+              DisjointMaximum:    0x1b,
+
+              ConjointMinimum:    0x20,
+              ConjointClear:    0x20,
+              ConjointSrc:    0x21,
+              ConjointDst:    0x22,
+              ConjointOver:    0x23,
+              ConjointOverReverse:    0x24,
+              ConjointIn:    0x25,
+              ConjointInReverse:    0x26,
+              ConjointOut:    0x27,
+              ConjointOutReverse:    0x28,
+              ConjointAtop:    0x29,
+              ConjointAtopReverse:    0x2a,
+              ConjointXor:    0x2b,
+              ConjointMaximum:    0x2b,
+
+            /*,
+             * Operators only available in version 0.11,
+             */
+              BlendMinimum:    0x30,
+              Multiply:    0x30,
+              Screen:    0x31,
+              Overlay:    0x32,
+              Darken:    0x33,
+              Lighten:    0x34,
+              ColorDodge:    0x35,
+              ColorBurn:    0x36,
+              HardLight:    0x37,
+              SoftLight:    0x38,
+              Difference:    0x39,
+              Exclusion:    0x3a,
+              HSLHue:   0x3b,
+              HSLSaturation:    0x3c,
+              HSLColor:    0x3d,
+              HSLLuminosity:    0x3e,
+              BlendMaximum:    0x3e
+            };
+
       });
 }