Use newImageSnapshot() to get an image from a Canvas

Source/platform/graphics/GraphicsContextState.cpp

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "platform/graphics/GraphicsContextState.h"
 
 #include "platform/graphics/skia/SkiaUtils.h"
 
 namespace blink {
@@ skipping 96 matching lines @@
     m_strokePaint.setShader(m_strokeData.gradient()->shader());
 }
 
 void GraphicsContextState::clearStrokeGradient()
 {
     m_strokeData.clearGradient();
     ASSERT(!m_strokeData.pattern());
     m_strokePaint.setColor(applyAlpha(m_strokeData.color().rgb()));
 }
 
-void GraphicsContextState::setStrokePattern(const PassRefPtr<Pattern> pattern)
+void GraphicsContextState::setStrokePattern(const PassRefPtr<Pattern> pattern, SkShader::ShaderLocation preferredLocation)
 {
     m_strokeData.setColor(Color::black);
     m_strokeData.clearGradient();
     m_strokeData.setPattern(pattern);
     m_strokePaint.setColor(applyAlpha(SK_ColorBLACK));
-    m_strokePaint.setShader(m_strokeData.pattern()->shader());
+    m_strokePaint.setShader(m_strokeData.pattern()->shader(preferredLocation));
 }
 
 void GraphicsContextState::clearStrokePattern()
 {
     m_strokeData.clearPattern();
     ASSERT(!m_strokeData.gradient());
     m_strokePaint.setColor(applyAlpha(m_strokeData.color().rgb()));
 }
 
 void GraphicsContextState::setLineCap(LineCap cap)
@@ skipping 32 matching lines @@
     m_fillPaint.setShader(m_fillGradient->shader());
 }
 
 void GraphicsContextState::clearFillGradient()
 {
     m_fillGradient.clear();
     ASSERT(!m_fillPattern);
     m_fillPaint.setColor(applyAlpha(m_fillColor.rgb()));
 }
 
-void GraphicsContextState::setFillPattern(const PassRefPtr<Pattern> pattern)
+void GraphicsContextState::setFillPattern(const PassRefPtr<Pattern> pattern, SkShader::ShaderLocation preferredLocation)
 {
     m_fillColor = Color::black;
     m_fillGradient.clear();
     m_fillPattern = pattern;
     m_fillPaint.setColor(applyAlpha(SK_ColorBLACK));
-    m_fillPaint.setShader(m_fillPattern->shader());
+    m_fillPaint.setShader(m_fillPattern->shader(preferredLocation));
 }
 
 void GraphicsContextState::clearFillPattern()
 {
     m_fillPattern.clear();
     ASSERT(!m_fillGradient);
     m_fillPaint.setColor(applyAlpha(m_fillColor.rgb()));
 }
 
 // Shadow. (This will need tweaking if we use draw loopers for other things.)
@@ skipping 54 matching lines @@
 
 void GraphicsContextState::setShouldAntialias(bool shouldAntialias)
 {
     m_shouldAntialias = shouldAntialias;
     m_strokePaint.setAntiAlias(shouldAntialias);
     m_fillPaint.setAntiAlias(shouldAntialias);
 }
 
 
 } // namespace blink