From a1fa1495518b3da10ee2f84a88ffe2422ad9e45d Mon Sep 17 00:00:00 2001
From: Seth Fitzsimmons <seth@mojodna.net>
Date: Mon, 29 Apr 2013 08:41:17 -0700
Subject: [PATCH] Add 'nearest' and 'bilinear' to patternQuality

---
 Readme.md                       | 2 ++
 src/CanvasRenderingContext2d.cc | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/Readme.md b/Readme.md
index a53e4d2..c6c2c09 100644
--- a/Readme.md
+++ b/Readme.md
@@ -146,6 +146,8 @@ Given one of the values below will alter pattern (gradients, images, etc) render
   - fast
   - good
   - best
+  - nearest
+  - bilinear
 
 ### CanvasRenderingContext2d#textDrawingMode
 
diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index d427dac..6af3527 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -777,6 +777,10 @@ Context2d::SetPatternQuality(Local<String> prop, Local<Value> val, const Accesso
     context->state->patternQuality = CAIRO_FILTER_GOOD;
   } else if (0 == strcmp("best", *quality)) {
     context->state->patternQuality = CAIRO_FILTER_BEST;
+  } else if (0 == strcmp("nearest", *quality)) {
+    context->state->patternQuality = CAIRO_FILTER_NEAREST;
+  } else if (0 == strcmp("bilinear", *quality)) {
+    context->state->patternQuality = CAIRO_FILTER_BILINEAR;
   }
 }
 
@@ -792,6 +796,8 @@ Context2d::GetPatternQuality(Local<String> prop, const AccessorInfo &info) {
   switch (context->state->patternQuality) {
     case CAIRO_FILTER_FAST: quality = "fast"; break;
     case CAIRO_FILTER_BEST: quality = "best"; break;
+    case CAIRO_FILTER_NEAREST: quality = "nearest"; break;
+    case CAIRO_FILTER_BILINEAR: quality = "bilinear"; break;
     default: quality = "good";
   }
   return scope.Close(String::NewSymbol(quality));