diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/win/WKCACFLayer.cpp')
| -rw-r--r-- | Source/WebCore/platform/graphics/win/WKCACFLayer.cpp | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/Source/WebCore/platform/graphics/win/WKCACFLayer.cpp b/Source/WebCore/platform/graphics/win/WKCACFLayer.cpp deleted file mode 100644 index a8714e3..0000000 --- a/Source/WebCore/platform/graphics/win/WKCACFLayer.cpp +++ /dev/null @@ -1,572 +0,0 @@ -/* - * Copyright (C) 2009 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" - -#if USE(ACCELERATED_COMPOSITING) - -#include "WKCACFLayer.h" - -#include "WKCACFLayerRenderer.h" -#include <WebKitSystemInterface/WebKitSystemInterface.h> -#include <stdio.h> -#include <wtf/CurrentTime.h> -#include <wtf/text/CString.h> - -namespace WebCore { - -using namespace std; - -#ifndef NDEBUG -void WKCACFLayer::internalCheckLayerConsistency() -{ - ASSERT(layer()); - size_t n = sublayerCount(); - for (size_t i = 0; i < n; ++i) { - // This will ASSERT in internalSublayerAtIndex if this entry doesn't have proper user data - WKCACFLayer* sublayer = internalSublayerAtIndex(i); - - // Make sure we don't have any null entries in the list - ASSERT(sublayer); - - // Make sure the each layer has a corresponding CACFLayer - ASSERT(sublayer->layer()); - } -} -#endif - -static void displayCallback(CACFLayerRef layer, CGContextRef context) -{ - ASSERT_ARG(layer, WKCACFLayer::layer(layer)); - WKCACFLayer::layer(layer)->drawInContext(context); -} - -static CFStringRef toCACFLayerType(WKCACFLayer::LayerType type) -{ - switch (type) { - case WKCACFLayer::Layer: return kCACFLayer; - case WKCACFLayer::TransformLayer: return kCACFTransformLayer; - default: return 0; - } -} - -static CFStringRef toCACFContentsGravityType(WKCACFLayer::ContentsGravityType type) -{ - switch (type) { - case WKCACFLayer::Center: return kCACFGravityCenter; - case WKCACFLayer::Top: return kCACFGravityTop; - case WKCACFLayer::Bottom: return kCACFGravityBottom; - case WKCACFLayer::Left: return kCACFGravityLeft; - case WKCACFLayer::Right: return kCACFGravityRight; - case WKCACFLayer::TopLeft: return kCACFGravityTopLeft; - case WKCACFLayer::TopRight: return kCACFGravityTopRight; - case WKCACFLayer::BottomLeft: return kCACFGravityBottomLeft; - case WKCACFLayer::BottomRight: return kCACFGravityBottomRight; - case WKCACFLayer::Resize: return kCACFGravityResize; - case WKCACFLayer::ResizeAspect: return kCACFGravityResizeAspect; - case WKCACFLayer::ResizeAspectFill: return kCACFGravityResizeAspectFill; - default: return 0; - } -} - -static WKCACFLayer::ContentsGravityType fromCACFContentsGravityType(CFStringRef string) -{ - if (CFEqual(string, kCACFGravityTop)) - return WKCACFLayer::Top; - - if (CFEqual(string, kCACFGravityBottom)) - return WKCACFLayer::Bottom; - - if (CFEqual(string, kCACFGravityLeft)) - return WKCACFLayer::Left; - - if (CFEqual(string, kCACFGravityRight)) - return WKCACFLayer::Right; - - if (CFEqual(string, kCACFGravityTopLeft)) - return WKCACFLayer::TopLeft; - - if (CFEqual(string, kCACFGravityTopRight)) - return WKCACFLayer::TopRight; - - if (CFEqual(string, kCACFGravityBottomLeft)) - return WKCACFLayer::BottomLeft; - - if (CFEqual(string, kCACFGravityBottomRight)) - return WKCACFLayer::BottomRight; - - if (CFEqual(string, kCACFGravityResize)) - return WKCACFLayer::Resize; - - if (CFEqual(string, kCACFGravityResizeAspect)) - return WKCACFLayer::ResizeAspect; - - if (CFEqual(string, kCACFGravityResizeAspectFill)) - return WKCACFLayer::ResizeAspectFill; - - return WKCACFLayer::Center; -} - -static CFStringRef toCACFFilterType(WKCACFLayer::FilterType type) -{ - switch (type) { - case WKCACFLayer::Linear: return kCACFFilterLinear; - case WKCACFLayer::Nearest: return kCACFFilterNearest; - case WKCACFLayer::Trilinear: return kCACFFilterTrilinear; - default: return 0; - } -} - -static WKCACFLayer::FilterType fromCACFFilterType(CFStringRef string) -{ - if (CFEqual(string, kCACFFilterNearest)) - return WKCACFLayer::Nearest; - - if (CFEqual(string, kCACFFilterTrilinear)) - return WKCACFLayer::Trilinear; - - return WKCACFLayer::Linear; -} - -PassRefPtr<WKCACFLayer> WKCACFLayer::create(LayerType type) -{ - if (!WKCACFLayerRenderer::acceleratedCompositingAvailable()) - return 0; - return adoptRef(new WKCACFLayer(type)); -} - -// FIXME: It might be good to have a way of ensuring that all WKCACFLayers eventually -// get destroyed in debug builds. A static counter could accomplish this pretty easily. - -WKCACFLayer::WKCACFLayer(LayerType type) - : m_layer(AdoptCF, CACFLayerCreate(toCACFLayerType(type))) - , m_layoutClient(0) - , m_needsDisplayOnBoundsChange(false) -{ - CACFLayerSetUserData(layer(), this); - CACFLayerSetDisplayCallback(layer(), displayCallback); -} - -WKCACFLayer::~WKCACFLayer() -{ - // Our superlayer should be holding a reference to us, so there should be no way for us to be destroyed while we still have a superlayer. - ASSERT(!superlayer()); - - // Get rid of the children so we don't have any dangling references around - removeAllSublayers(); - -#ifndef NDEBUG - CACFLayerSetUserData(layer(), reinterpret_cast<void*>(0xDEADBEEF)); -#else - CACFLayerSetUserData(layer(), 0); -#endif - CACFLayerSetDisplayCallback(layer(), 0); -} - -void WKCACFLayer::becomeRootLayerForContext(WKCACFContext* context) -{ - wkCACFContextSetLayer(context, layer()); - setNeedsCommit(); -} - -void WKCACFLayer::setNeedsCommit() -{ - WKCACFLayer* root = rootLayer(); - - // Call setNeedsRender on the root layer, which will cause a render to - // happen in WKCACFLayerRenderer - root->setNeedsRender(); -} - -bool WKCACFLayer::isTransformLayer() const -{ - return CACFLayerGetClass(layer()) == kCACFTransformLayer; -} - -void WKCACFLayer::addSublayer(PassRefPtr<WKCACFLayer> sublayer) -{ - insertSublayer(sublayer, sublayerCount()); -} - -void WKCACFLayer::internalInsertSublayer(PassRefPtr<WKCACFLayer> sublayer, size_t index) -{ - index = min(index, sublayerCount() + 1); - sublayer->removeFromSuperlayer(); - CACFLayerInsertSublayer(layer(), sublayer->layer(), index); - setNeedsCommit(); - checkLayerConsistency(); -} - -void WKCACFLayer::insertSublayerAboveLayer(PassRefPtr<WKCACFLayer> sublayer, const WKCACFLayer* reference) -{ - if (!reference) { - insertSublayer(sublayer, 0); - return; - } - - int referenceIndex = internalIndexOfSublayer(reference); - if (referenceIndex == -1) { - addSublayer(sublayer); - return; - } - - insertSublayer(sublayer, referenceIndex + 1); -} - -void WKCACFLayer::insertSublayerBelowLayer(PassRefPtr<WKCACFLayer> sublayer, const WKCACFLayer* reference) -{ - if (!reference) { - insertSublayer(sublayer, 0); - return; - } - - int referenceIndex = internalIndexOfSublayer(reference); - if (referenceIndex == -1) { - addSublayer(sublayer); - return; - } - - insertSublayer(sublayer, referenceIndex); -} - -void WKCACFLayer::replaceSublayer(WKCACFLayer* reference, PassRefPtr<WKCACFLayer> newLayer) -{ - ASSERT_ARG(reference, reference); - ASSERT_ARG(reference, reference->superlayer() == this); - - if (reference == newLayer) - return; - - int referenceIndex = internalIndexOfSublayer(reference); - ASSERT(referenceIndex != -1); - if (referenceIndex == -1) - return; - - reference->removeFromSuperlayer(); - - if (newLayer) { - newLayer->removeFromSuperlayer(); - insertSublayer(newLayer, referenceIndex); - } -} - -size_t WKCACFLayer::internalSublayerCount() const -{ - CFArrayRef sublayers = CACFLayerGetSublayers(layer()); - return sublayers ? CFArrayGetCount(sublayers) : 0; -} - -void WKCACFLayer::adoptSublayers(WKCACFLayer* source) -{ - // We will use setSublayers() because it properly nulls - // out the superlayer pointer. - Vector<RefPtr<WKCACFLayer> > sublayers; - size_t n = source->sublayerCount(); - - for (size_t i = 0; i < n; ++i) - sublayers.append(source->internalSublayerAtIndex(i)); - - setSublayers(sublayers); - source->checkLayerConsistency(); -} - -void WKCACFLayer::removeFromSuperlayer() -{ - WKCACFLayer* superlayer = this->superlayer(); - CACFLayerRemoveFromSuperlayer(layer()); - checkLayerConsistency(); - - if (superlayer) - superlayer->setNeedsCommit(); -} - -WKCACFLayer* WKCACFLayer::internalSublayerAtIndex(int index) const -{ - CFArrayRef sublayers = CACFLayerGetSublayers(layer()); - if (!sublayers || index < 0 || CFArrayGetCount(sublayers) <= index) - return 0; - - return layer(static_cast<CACFLayerRef>(const_cast<void*>(CFArrayGetValueAtIndex(sublayers, index)))); -} - -int WKCACFLayer::internalIndexOfSublayer(const WKCACFLayer* reference) -{ - CACFLayerRef ref = reference->layer(); - if (!ref) - return -1; - - CFArrayRef sublayers = CACFLayerGetSublayers(layer()); - if (!sublayers) - return -1; - - size_t n = CFArrayGetCount(sublayers); - - for (size_t i = 0; i < n; ++i) - if (CFArrayGetValueAtIndex(sublayers, i) == ref) - return i; - - return -1; -} - -WKCACFLayer* WKCACFLayer::ancestorOrSelfWithSuperlayer(WKCACFLayer* superlayer) const -{ - WKCACFLayer* layer = const_cast<WKCACFLayer*>(this); - for (WKCACFLayer* ancestor = this->superlayer(); ancestor; layer = ancestor, ancestor = ancestor->superlayer()) { - if (ancestor == superlayer) - return layer; - } - return 0; -} - -void WKCACFLayer::setBounds(const CGRect& rect) -{ - if (CGRectEqualToRect(rect, bounds())) - return; - - CACFLayerSetBounds(layer(), rect); - setNeedsCommit(); - - if (m_needsDisplayOnBoundsChange) - setNeedsDisplay(); - - if (m_layoutClient) - setNeedsLayout(); -} - -void WKCACFLayer::setFrame(const CGRect& rect) -{ - CGRect oldFrame = frame(); - if (CGRectEqualToRect(rect, oldFrame)) - return; - - CACFLayerSetFrame(layer(), rect); - setNeedsCommit(); - - if (m_needsDisplayOnBoundsChange && !CGSizeEqualToSize(rect.size, oldFrame.size)) - setNeedsDisplay(); - - if (m_layoutClient) - setNeedsLayout(); -} - -void WKCACFLayer::setContentsGravity(ContentsGravityType type) -{ - CACFLayerSetContentsGravity(layer(), toCACFContentsGravityType(type)); - setNeedsCommit(); -} - -WKCACFLayer::ContentsGravityType WKCACFLayer::contentsGravity() const -{ - return fromCACFContentsGravityType(CACFLayerGetContentsGravity(layer())); -} - -void WKCACFLayer::setMagnificationFilter(FilterType type) -{ - CACFLayerSetMagnificationFilter(layer(), toCACFFilterType(type)); - setNeedsCommit(); -} - -WKCACFLayer::FilterType WKCACFLayer::magnificationFilter() const -{ - return fromCACFFilterType(CACFLayerGetMagnificationFilter(layer())); -} - -void WKCACFLayer::setMinificationFilter(FilterType type) -{ - CACFLayerSetMinificationFilter(layer(), toCACFFilterType(type)); - setNeedsCommit(); -} - -WKCACFLayer::FilterType WKCACFLayer::minificationFilter() const -{ - return fromCACFFilterType(CACFLayerGetMinificationFilter(layer())); -} - -WKCACFLayer* WKCACFLayer::rootLayer() const -{ - WKCACFLayer* layer = const_cast<WKCACFLayer*>(this); - for (WKCACFLayer* superlayer = layer->superlayer(); superlayer; layer = superlayer, superlayer = superlayer->superlayer()) { } - return layer; -} - -void WKCACFLayer::internalRemoveAllSublayers() -{ - CACFLayerSetSublayers(layer(), 0); - setNeedsCommit(); -} - -void WKCACFLayer::internalSetSublayers(const Vector<RefPtr<WKCACFLayer> >& sublayers) -{ - // Remove all the current sublayers and add the passed layers - CACFLayerSetSublayers(layer(), 0); - - // Perform removeFromSuperLayer in a separate pass. CACF requires superlayer to - // be null or CACFLayerInsertSublayer silently fails. - for (size_t i = 0; i < sublayers.size(); i++) - CACFLayerRemoveFromSuperlayer(sublayers[i]->layer()); - - for (size_t i = 0; i < sublayers.size(); i++) - CACFLayerInsertSublayer(layer(), sublayers[i]->layer(), i); - - setNeedsCommit(); -} - -WKCACFLayer* WKCACFLayer::superlayer() const -{ - CACFLayerRef super = CACFLayerGetSuperlayer(layer()); - if (!super) - return 0; - return WKCACFLayer::layer(super); -} - -void WKCACFLayer::internalSetNeedsDisplay(const CGRect* dirtyRect) -{ - CACFLayerSetNeedsDisplay(layer(), dirtyRect); -} - -void WKCACFLayer::setLayoutClient(WKCACFLayerLayoutClient* layoutClient) -{ - if (layoutClient == m_layoutClient) - return; - - m_layoutClient = layoutClient; - CACFLayerSetLayoutCallback(layer(), m_layoutClient ? layoutSublayersProc : 0); -} - -void WKCACFLayer::layoutSublayersProc(CACFLayerRef caLayer) -{ - WKCACFLayer* layer = WKCACFLayer::layer(caLayer); - if (layer && layer->m_layoutClient) - layer->m_layoutClient->layoutSublayersOfLayer(layer); -} - -#ifndef NDEBUG -static void printIndent(int indent) -{ - for ( ; indent > 0; --indent) - fprintf(stderr, " "); -} - -static void printTransform(const CATransform3D& transform) -{ - fprintf(stderr, "[%g %g %g %g; %g %g %g %g; %g %g %g %g; %g %g %g %g]", - transform.m11, transform.m12, transform.m13, transform.m14, - transform.m21, transform.m22, transform.m23, transform.m24, - transform.m31, transform.m32, transform.m33, transform.m34, - transform.m41, transform.m42, transform.m43, transform.m44); -} - -void WKCACFLayer::printTree() const -{ - // Print heading info - CGRect rootBounds = bounds(); - fprintf(stderr, "\n\n** Render tree at time %g (bounds %g, %g %gx%g) **\n\n", - currentTime(), rootBounds.origin.x, rootBounds.origin.y, rootBounds.size.width, rootBounds.size.height); - - // Print layer tree from the root - printLayer(0); -} - -void WKCACFLayer::printLayer(int indent) const -{ - CGPoint layerPosition = position(); - CGPoint layerAnchorPoint = anchorPoint(); - CGRect layerBounds = bounds(); - printIndent(indent); - fprintf(stderr, "(%s [%g %g %g] [%g %g %g %g] [%g %g %g] superlayer=%p\n", - isTransformLayer() ? "transform-layer" : "layer", - layerPosition.x, layerPosition.y, zPosition(), - layerBounds.origin.x, layerBounds.origin.y, layerBounds.size.width, layerBounds.size.height, - layerAnchorPoint.x, layerAnchorPoint.y, anchorPointZ(), superlayer()); - - // Print name if needed - String layerName = name(); - if (!layerName.isEmpty()) { - printIndent(indent + 1); - fprintf(stderr, "(name %s)\n", layerName.utf8().data()); - } - - // Print masksToBounds if needed - bool layerMasksToBounds = masksToBounds(); - if (layerMasksToBounds) { - printIndent(indent + 1); - fprintf(stderr, "(masksToBounds true)\n"); - } - - // Print opacity if needed - float layerOpacity = opacity(); - if (layerOpacity != 1) { - printIndent(indent + 1); - fprintf(stderr, "(opacity %hf)\n", layerOpacity); - } - - // Print sublayerTransform if needed - CATransform3D layerTransform = sublayerTransform(); - if (!CATransform3DIsIdentity(layerTransform)) { - printIndent(indent + 1); - fprintf(stderr, "(sublayerTransform "); - printTransform(layerTransform); - fprintf(stderr, ")\n"); - } - - // Print transform if needed - layerTransform = transform(); - if (!CATransform3DIsIdentity(layerTransform)) { - printIndent(indent + 1); - fprintf(stderr, "(transform "); - printTransform(layerTransform); - fprintf(stderr, ")\n"); - } - - // Print contents if needed - CFTypeRef layerContents = contents(); - if (layerContents) { - if (CFGetTypeID(layerContents) == CGImageGetTypeID()) { - CGImageRef imageContents = static_cast<CGImageRef>(const_cast<void*>(layerContents)); - printIndent(indent + 1); - fprintf(stderr, "(contents (image [%d %d]))\n", - CGImageGetWidth(imageContents), CGImageGetHeight(imageContents)); - } - } - - // Print sublayers if needed - int n = sublayerCount(); - if (n > 0) { - printIndent(indent + 1); - fprintf(stderr, "(sublayers\n"); - for (int i = 0; i < n; ++i) - internalSublayerAtIndex(i)->printLayer(indent + 2); - - printIndent(indent + 1); - fprintf(stderr, ")\n"); - } - - printIndent(indent); - fprintf(stderr, ")\n"); -} -#endif // #ifndef NDEBUG -} - -#endif // USE(ACCELERATED_COMPOSITING) |