Source/core/paint/ImagePainter.cpp - Issue 711163002: Don't anti-alias backgrounds of images.

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Side by Side Diff: Source/core/paint/ImagePainter.cpp

Issue 711163002: Don't anti-alias backgrounds of images. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 1 month ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "config.h"	5 #include "config.h"

6 #include "core/paint/ImagePainter.h"	6 #include "core/paint/ImagePainter.h"

7	7

8 #include "core/dom/Document.h"	8 #include "core/dom/Document.h"

9 #include "core/dom/Element.h"	9 #include "core/dom/Element.h"

10 #include "core/editing/FrameSelection.h"	10 #include "core/editing/FrameSelection.h"

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193 InspectorInstrumentation::willPaintImage(&m_renderImage);	193 InspectorInstrumentation::willPaintImage(&m_renderImage);

194	194

195 InterpolationQuality previousInterpolationQuality = context->imageInterpolat ionQuality();	195 InterpolationQuality previousInterpolationQuality = context->imageInterpolat ionQuality();

196 context->setImageInterpolationQuality(interpolationQuality);	196 context->setImageInterpolationQuality(interpolationQuality);

197 context->drawImage(image.get(), alignedRect, CompositeSourceOver, m_renderIm age.shouldRespectImageOrientation());	197 context->drawImage(image.get(), alignedRect, CompositeSourceOver, m_renderIm age.shouldRespectImageOrientation());

198 context->setImageInterpolationQuality(previousInterpolationQuality);	198 context->setImageInterpolationQuality(previousInterpolationQuality);

199	199

200 InspectorInstrumentation::didPaintImage(&m_renderImage);	200 InspectorInstrumentation::didPaintImage(&m_renderImage);

201 }	201 }

202	202

	203 void ImagePainter::paintBoxDecorationBackground(PaintInfo& paintInfo, const Layo utPoint& paintOffset)

	204 {

	205 // Don't anti-alias the background of an image. See crbug.com/423834 for the reason why.

	206 bool oldShouldAntialias = paintInfo.context->shouldAntialias();

	207 paintInfo.context->setShouldAntialias(false);

	208 BoxPainter(m_renderImage).paintBoxDecorationBackground(paintInfo, paintOffse t);

	209 paintInfo.context->setShouldAntialias(oldShouldAntialias);

	210 }

	211

203 } // namespace blink	212 } // namespace blink

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