Merge WebKit at r75993: Initial merge by git.

Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3

1 files changed, 0 insertions, 293 deletions

diff --git a/Source/WebCore/rendering/RenderSVGResourcePattern.cpp b/Source/WebCore/rendering/RenderSVGResourcePattern.cpp
deleted file mode 100644
index cd64183..0000000
--- a/Source/WebCore/rendering/RenderSVGResourcePattern.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) Research In Motion Limited 2010. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include "config.h"
-
-#if ENABLE(SVG)
-#include "RenderSVGResourcePattern.h"
-
-#include "FrameView.h"
-#include "GraphicsContext.h"
-#include "PatternAttributes.h"
-#include "RenderSVGRoot.h"
-#include "SVGImageBufferTools.h"
-#include "SVGRenderSupport.h"
-
-namespace WebCore {
-
-RenderSVGResourceType RenderSVGResourcePattern::s_resourceType = PatternResourceType;
-
-RenderSVGResourcePattern::RenderSVGResourcePattern(SVGPatternElement* node)
-    : RenderSVGResourceContainer(node)
-    , m_shouldCollectPatternAttributes(true)
-{
-}
-
-RenderSVGResourcePattern::~RenderSVGResourcePattern()
-{
-    if (m_pattern.isEmpty())
-        return;
-
-    deleteAllValues(m_pattern);
-    m_pattern.clear();
-}
-
-void RenderSVGResourcePattern::removeAllClientsFromCache(bool markForInvalidation)
-{
-    if (!m_pattern.isEmpty()) {
-        deleteAllValues(m_pattern);
-        m_pattern.clear();
-    }
-
-    m_shouldCollectPatternAttributes = true;
-    markAllClientsForInvalidation(markForInvalidation ? RepaintInvalidation : ParentOnlyInvalidation);
-}
-
-void RenderSVGResourcePattern::removeClientFromCache(RenderObject* client, bool markForInvalidation)
-{
-    ASSERT(client);
-
-    if (m_pattern.contains(client))
-        delete m_pattern.take(client);
-
-    markClientForInvalidation(client, markForInvalidation ? RepaintInvalidation : ParentOnlyInvalidation);
-}
-
-bool RenderSVGResourcePattern::applyResource(RenderObject* object, RenderStyle* style, GraphicsContext*& context, unsigned short resourceMode)
-{
-    ASSERT(object);
-    ASSERT(style);
-    ASSERT(context);
-    ASSERT(resourceMode != ApplyToDefaultMode);
-
-    // Be sure to synchronize all SVG properties on the patternElement _before_ processing any further.
-    // Otherwhise the call to collectPatternAttributes() below, may cause the SVG DOM property
-    // synchronization to kick in, which causes removeAllClientsFromCache() to be called, which in turn deletes our
-    // PatternData object! Leaving out the line below will cause svg/dynamic-updates/SVGPatternElement-svgdom* to crash.
-    SVGPatternElement* patternElement = static_cast<SVGPatternElement*>(node());
-    if (!patternElement)
-        return false;
-
-    if (m_shouldCollectPatternAttributes) {
-        patternElement->updateAnimatedSVGAttribute(anyQName());
-
-        m_attributes = PatternAttributes();
-        patternElement->collectPatternAttributes(m_attributes);
-        m_shouldCollectPatternAttributes = false;
-    }
-
-    // Spec: When the geometry of the applicable element has no width or height and objectBoundingBox is specified,
-    // then the given effect (e.g. a gradient or a filter) will be ignored.
-    FloatRect objectBoundingBox = object->objectBoundingBox();
-    if (m_attributes.boundingBoxMode() && objectBoundingBox.isEmpty())
-        return false;
-
-    if (!m_pattern.contains(object))
-        m_pattern.set(object, new PatternData);
-
-    PatternData* patternData = m_pattern.get(object);
-    if (!patternData->pattern) {
-        // If we couldn't determine the pattern content element root, stop here.
-        if (!m_attributes.patternContentElement())
-            return false;
-
-        // Compute all necessary transformations to build the tile image & the pattern.
-        FloatRect tileBoundaries;
-        AffineTransform tileImageTransform;
-        if (!buildTileImageTransform(object, m_attributes, patternElement, tileBoundaries, tileImageTransform))
-            return false;
-
-        AffineTransform absoluteTransform;
-        SVGImageBufferTools::calculateTransformationToOutermostSVGCoordinateSystem(object, absoluteTransform);
-
-        FloatRect absoluteTileBoundaries = absoluteTransform.mapRect(tileBoundaries);
-
-        // Build tile image.
-        OwnPtr<ImageBuffer> tileImage = createTileImage(object, m_attributes, tileBoundaries, absoluteTileBoundaries, tileImageTransform);
-        if (!tileImage)
-            return false;
-
-        RefPtr<Image> copiedImage = tileImage->copyImage();
-        if (!copiedImage)
-            return false;
-
-        // Build pattern.
-        patternData->pattern = Pattern::create(copiedImage, true, true);
-        if (!patternData->pattern)
-            return false;
-
-        // Compute pattern space transformation.
-        patternData->transform.translate(tileBoundaries.x(), tileBoundaries.y());
-        patternData->transform.scale(tileBoundaries.width() / absoluteTileBoundaries.width(), tileBoundaries.height() / absoluteTileBoundaries.height());
-
-        AffineTransform patternTransform = m_attributes.patternTransform();
-        if (!patternTransform.isIdentity())
-            patternData->transform.multiply(patternTransform);
-
-        patternData->pattern->setPatternSpaceTransform(patternData->transform);
-    }
-
-    // Draw pattern
-    context->save();
-
-    const SVGRenderStyle* svgStyle = style->svgStyle();
-    ASSERT(svgStyle);
-
-    if (resourceMode & ApplyToFillMode) {
-        context->setAlpha(svgStyle->fillOpacity());
-        context->setFillPattern(patternData->pattern);
-        context->setFillRule(svgStyle->fillRule());
-    } else if (resourceMode & ApplyToStrokeMode) {
-        if (svgStyle->vectorEffect() == VE_NON_SCALING_STROKE)
-            patternData->pattern->setPatternSpaceTransform(transformOnNonScalingStroke(object, patternData->transform));
-        context->setAlpha(svgStyle->strokeOpacity());
-        context->setStrokePattern(patternData->pattern);
-        SVGRenderSupport::applyStrokeStyleToContext(context, style, object);
-    }
-
-    if (resourceMode & ApplyToTextMode) {
-        if (resourceMode & ApplyToFillMode) {
-            context->setTextDrawingMode(TextModeFill);
-
-#if PLATFORM(CG)
-            context->applyFillPattern();
-#endif
-        } else if (resourceMode & ApplyToStrokeMode) {
-            context->setTextDrawingMode(TextModeStroke);
-
-#if PLATFORM(CG)
-            context->applyStrokePattern();
-#endif
-        }
-    }
-
-    return true;
-}
-
-void RenderSVGResourcePattern::postApplyResource(RenderObject*, GraphicsContext*& context, unsigned short resourceMode, const Path* path)
-{
-    ASSERT(context);
-    ASSERT(resourceMode != ApplyToDefaultMode);
-
-    if (path && !(resourceMode & ApplyToTextMode)) {
-        if (resourceMode & ApplyToFillMode)
-            context->fillPath(*path);
-        else if (resourceMode & ApplyToStrokeMode)
-            context->strokePath(*path);
-    }
-
-    context->restore();
-}
-
-static inline FloatRect calculatePatternBoundaries(const PatternAttributes& attributes,
-                                                   const FloatRect& objectBoundingBox,
-                                                   const SVGPatternElement* patternElement)
-{
-    ASSERT(patternElement);
-
-    if (attributes.boundingBoxMode())
-        return FloatRect(attributes.x().valueAsPercentage() * objectBoundingBox.width() + objectBoundingBox.x(),
-                         attributes.y().valueAsPercentage() * objectBoundingBox.height() + objectBoundingBox.y(),
-                         attributes.width().valueAsPercentage() * objectBoundingBox.width(),
-                         attributes.height().valueAsPercentage() * objectBoundingBox.height());
-
-    return FloatRect(attributes.x().value(patternElement),
-                     attributes.y().value(patternElement),
-                     attributes.width().value(patternElement),
-                     attributes.height().value(patternElement));
-}
-
-bool RenderSVGResourcePattern::buildTileImageTransform(RenderObject* renderer,
-                                                       const PatternAttributes& attributes,
-                                                       const SVGPatternElement* patternElement,
-                                                       FloatRect& patternBoundaries,
-                                                       AffineTransform& tileImageTransform) const
-{
-    ASSERT(renderer);
-    ASSERT(patternElement);
-
-    FloatRect objectBoundingBox = renderer->objectBoundingBox();
-    patternBoundaries = calculatePatternBoundaries(attributes, objectBoundingBox, patternElement); 
-    if (patternBoundaries.width() <= 0 || patternBoundaries.height() <= 0)
-        return false;
-
-    AffineTransform viewBoxCTM = patternElement->viewBoxToViewTransform(patternElement->viewBox(), patternElement->preserveAspectRatio(), patternBoundaries.width(), patternBoundaries.height());
-
-    // Apply viewBox/objectBoundingBox transformations.
-    if (!viewBoxCTM.isIdentity())
-        tileImageTransform = viewBoxCTM;
-    else if (attributes.boundingBoxModeContent()) {
-        tileImageTransform.translate(objectBoundingBox.x(), objectBoundingBox.y());
-        tileImageTransform.scale(objectBoundingBox.width(), objectBoundingBox.height());
-    }
-
-    return true;
-}
-
-PassOwnPtr<ImageBuffer> RenderSVGResourcePattern::createTileImage(RenderObject* object,
-                                                                  const PatternAttributes& attributes,
-                                                                  const FloatRect& tileBoundaries,
-                                                                  const FloatRect& absoluteTileBoundaries,
-                                                                  const AffineTransform& tileImageTransform) const
-{
-    ASSERT(object);
-
-    // Clamp tile image size against SVG viewport size, as last resort, to avoid allocating huge image buffers.
-    FloatRect contentBoxRect = SVGRenderSupport::findTreeRootObject(object)->contentBoxRect();
-
-    FloatRect clampedAbsoluteTileBoundaries = absoluteTileBoundaries;
-    if (clampedAbsoluteTileBoundaries.width() > contentBoxRect.width())
-        clampedAbsoluteTileBoundaries.setWidth(contentBoxRect.width());
-
-    if (clampedAbsoluteTileBoundaries.height() > contentBoxRect.height())
-        clampedAbsoluteTileBoundaries.setHeight(contentBoxRect.height());
-
-    OwnPtr<ImageBuffer> tileImage;
-
-    if (!SVGImageBufferTools::createImageBuffer(absoluteTileBoundaries, clampedAbsoluteTileBoundaries, tileImage, ColorSpaceDeviceRGB))
-        return PassOwnPtr<ImageBuffer>();
-
-    GraphicsContext* tileImageContext = tileImage->context();
-    ASSERT(tileImageContext);
-
-    // The image buffer represents the final rendered size, so the content has to be scaled (to avoid pixelation).
-    tileImageContext->scale(FloatSize(absoluteTileBoundaries.width() / tileBoundaries.width(),
-                                      absoluteTileBoundaries.height() / tileBoundaries.height()));
-
-    // Apply tile image transformations.
-    if (!tileImageTransform.isIdentity())
-        tileImageContext->concatCTM(tileImageTransform);
-
-    AffineTransform contentTransformation;
-
-    // Draw the content into the ImageBuffer.
-    for (Node* node = attributes.patternContentElement()->firstChild(); node; node = node->nextSibling()) {
-        if (!node->isSVGElement() || !static_cast<SVGElement*>(node)->isStyled() || !node->renderer())
-            continue;
-        SVGImageBufferTools::renderSubtreeToImageBuffer(tileImage.get(), node->renderer(), contentTransformation);
-    }
-
-    return tileImage.release();
-}
-
-}
-
-#endif