1 files changed, 0 insertions, 303 deletions
diff --git a/WebCore/platform/graphics/win/WebTiledLayer.cpp b/WebCore/platform/graphics/win/WebTiledLayer.cpp
deleted file mode 100644
index 4705033..0000000
--- a/WebCore/platform/graphics/win/WebTiledLayer.cpp
+++ /dev/null
@@ -1,303 +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 "WebTiledLayer.h"
-
-#include "GraphicsLayer.h"
-#include "WKCACFLayerRenderer.h"
-
-namespace WebCore {
-
-using namespace std;
-
-#ifndef NDEBUG
-void WebTiledLayer::internalCheckLayerConsistency()
-{
-    WKCACFLayer::internalCheckLayerConsistency();
-
-    // Additionally make sure the tiled parent is valid
-    CFArrayRef sublayers = CACFLayerGetSublayers(layer());
-
-    // Make sure there is a tile parent and it is the same as we remember
-    size_t n = CFArrayGetCount(sublayers);
-    ASSERT(n > 0);
-    const void* element = CFArrayGetValueAtIndex(sublayers, 0);
-    ASSERT(m_tileParent.get() == element);
-
-    // Make sure the tile parent doesn't have user data. If it does, it is probably
-    // a WKCACFLayer in the wrong place.
-    ASSERT(!layer(m_tileParent.get()));
-}
-#endif
-
-void WebTiledLayer::tileDisplayCallback(CACFLayerRef layer, CGContextRef context)
-{
-    static_cast<WebTiledLayer*>(CACFLayerGetUserData(layer))->drawTile(layer, context);
-}
-
-PassRefPtr<WebTiledLayer> WebTiledLayer::create(const CGSize& tileSize, GraphicsLayer* owner)
-{
-    ASSERT(WKCACFLayerRenderer::acceleratedCompositingAvailable());
-    return adoptRef(new WebTiledLayer(tileSize, owner));
-}
-
-WebTiledLayer::WebTiledLayer(const CGSize& tileSize, GraphicsLayer* owner)
-    : WebLayer(WKCACFLayer::Layer, owner)
-    , m_tileSize(tileSize)
-    , m_constrainedSize(constrainedSize(bounds().size))
-{
-    // Tiled layers are placed in a child layer that is always the first child of the TiledLayer
-    m_tileParent.adoptCF(CACFLayerCreate(kCACFLayer));
-    CACFLayerInsertSublayer(layer(), m_tileParent.get(), 0);
-
-    updateTiles();
-}
-
-WebTiledLayer::~WebTiledLayer()
-{
-}
-
-void WebTiledLayer::setBounds(const CGRect& rect)
-{
-    if (CGRectEqualToRect(rect, bounds()))
-        return;
-
-    WebLayer::setBounds(rect);
-    m_constrainedSize = constrainedSize(rect.size);
-    updateTiles();
-}
-
-void WebTiledLayer::setFrame(const CGRect& rect)
-{
-    if (CGRectEqualToRect(rect, frame()))
-        return;
-
-    WebLayer::setFrame(rect);
-    updateTiles();
-}
-
-void WebTiledLayer::internalSetNeedsDisplay(const CGRect* dirtyRect)
-{
-    // FIXME: Only setNeedsDisplay for tiles that are currently visible
-    int numTileLayers = tileCount();
-    for (int i = 0; i < numTileLayers; ++i)
-        CACFLayerSetNeedsDisplay(tileAtIndex(i), dirtyRect);
-
-    if (m_owner->showRepaintCounter()) {
-        CGRect layerBounds = bounds();
-        CGRect indicatorRect = CGRectMake(layerBounds.origin.x, layerBounds.origin.y, 80, 25);
-        CACFLayerSetNeedsDisplay(tileAtIndex(0), &indicatorRect);
-    }
-}
-
-size_t WebTiledLayer::internalSublayerCount() const
-{
-    ASSERT(WebLayer::internalSublayerCount() > 0);
-
-    // Subtract 1 to account for the tile parent layer
-    return WebLayer::internalSublayerCount() - 1;
-}
-
-void WebTiledLayer::internalRemoveAllSublayers()
-{
-    // Restore the tile parent after removal
-    WebLayer::internalRemoveAllSublayers();
-    CACFLayerInsertSublayer(layer(), m_tileParent.get(), 0);
-}
-
-void WebTiledLayer::internalSetSublayers(const Vector<RefPtr<WKCACFLayer> >& sublayers)
-{
-    // Preserve the tile parent after set
-    WebLayer::internalSetSublayers(sublayers);
-    CACFLayerInsertSublayer(layer(), m_tileParent.get(), 0);
-}
-
-void WebTiledLayer::internalInsertSublayer(PassRefPtr<WKCACFLayer> layer, size_t index)
-{
-    // Add 1 to account for the tile parent layer
-    WebLayer::internalInsertSublayer(layer, index + 1);
-}
-
-WKCACFLayer* WebTiledLayer::internalSublayerAtIndex(int i) const
-{
-    // Add 1 to account for the tile parent layer
-    return WebLayer::internalSublayerAtIndex(i + 1);
-}
-
-int WebTiledLayer::internalIndexOfSublayer(const WKCACFLayer* layer)
-{
-    int i = WebLayer::internalIndexOfSublayer(layer);
-
-    // Add 1 to account for the tile parent layer (but be safe about it)
-    return (i > 0) ? i - 1 : -1;
-}
-
-CGSize WebTiledLayer::constrainedSize(const CGSize& size) const
-{
-    const int cMaxTileCount = 512;
-    const float cSqrtMaxTileCount = sqrtf(cMaxTileCount);
-
-    CGSize constrainedSize = size;
-
-    int tileColumns = ceilf(constrainedSize.width / m_tileSize.width);
-    int tileRows = ceilf(constrainedSize.height / m_tileSize.height);
-    int numTiles = tileColumns * tileRows;
-
-    // If number of tiles vertically or horizontally is < sqrt(cMaxTileCount)
-    // just shorten the longer dimension. Otherwise shorten both dimensions
-    // according to the ratio of width to height
-
-    if (numTiles > cMaxTileCount) {
-        if (tileRows < cSqrtMaxTileCount)
-            tileColumns = floorf(cMaxTileCount / tileRows);
-        else if (tileColumns < cSqrtMaxTileCount)
-            tileRows = floorf(cMaxTileCount / tileColumns);
-        else {
-            tileRows = ceilf(sqrtf(cMaxTileCount * constrainedSize.height / constrainedSize.width));
-            tileColumns = floorf(cMaxTileCount / tileRows);
-        }
-        
-        constrainedSize.width = tileColumns * m_tileSize.width;
-        constrainedSize.height = tileRows * m_tileSize.height;
-    }
-    
-    return constrainedSize;
-}
-
-void WebTiledLayer::addTile()
-{
-    RetainPtr<CACFLayerRef> newLayer(AdoptCF, CACFLayerCreate(kCACFLayer));
-    CACFLayerSetAnchorPoint(newLayer.get(), CGPointMake(0, 1));
-    CACFLayerSetUserData(newLayer.get(), this);
-    CACFLayerSetDisplayCallback(newLayer.get(), tileDisplayCallback);
-
-    CFArrayRef sublayers = CACFLayerGetSublayers(m_tileParent.get());
-    CACFLayerInsertSublayer(m_tileParent.get(), newLayer.get(), sublayers ? CFArrayGetCount(sublayers) : 0);
-
-    if (m_owner->showDebugBorders()) {
-        CGColorRef borderColor = CGColorCreateGenericRGB(0.5, 0, 0.5, 0.7);
-        CACFLayerSetBorderColor(newLayer.get(), borderColor);
-        CGColorRelease(borderColor);
-        CACFLayerSetBorderWidth(newLayer.get(), 2);
-    }
-}
-
-void WebTiledLayer::removeTile()
-{
-    CACFLayerRemoveFromSuperlayer(tileAtIndex(tileCount() - 1));
-}
-
-CACFLayerRef WebTiledLayer::tileAtIndex(int index)
-{
-    CFArrayRef sublayers = CACFLayerGetSublayers(m_tileParent.get());
-    if (!sublayers || index < 0 || index >= tileCount() )
-        return 0;
-    
-    return static_cast<CACFLayerRef>(const_cast<void*>(CFArrayGetValueAtIndex(sublayers, index)));
-}
-
-int WebTiledLayer::tileCount() const
-{
-    CFArrayRef sublayers = CACFLayerGetSublayers(m_tileParent.get());
-    return sublayers ? CFArrayGetCount(sublayers) : 0;
-}
-
-void WebTiledLayer::updateTiles()
-{
-    // FIXME: In addition to redoing the number of tiles, we need to only render and have backing
-    // store for visible layers
-    int numTilesHorizontal = ceil(m_constrainedSize.width / m_tileSize.width);
-    int numTilesVertical = ceil(m_constrainedSize.height / m_tileSize.height);
-    int numTilesTotal = numTilesHorizontal * numTilesVertical;
-
-    int numTilesToChange = numTilesTotal - tileCount();
-    if (numTilesToChange >= 0) {
-        // Add new tiles
-        for (int i = 0; i < numTilesToChange; ++i)
-            addTile();
-    } else {
-        // Remove old tiles
-        numTilesToChange = -numTilesToChange;
-        for (int i = 0; i < numTilesToChange; ++i)
-            removeTile();
-    }
-
-    // Set coordinates for all tiles
-    CFArrayRef tileArray = CACFLayerGetSublayers(m_tileParent.get());
-
-    for (int i = 0; i < numTilesHorizontal; ++i) {
-        for (int j = 0; j < numTilesVertical; ++j) {
-            CACFLayerRef tile = static_cast<CACFLayerRef>(const_cast<void*>(CFArrayGetValueAtIndex(tileArray, i * numTilesVertical + j)));
-            CACFLayerSetPosition(tile, CGPointMake(i * m_tileSize.width, j * m_tileSize.height));
-            int width = min(m_tileSize.width, m_constrainedSize.width - i * m_tileSize.width);
-            int height = min(m_tileSize.height, m_constrainedSize.height - j * m_tileSize.height);
-            CACFLayerSetBounds(tile, CGRectMake(i * m_tileSize.width, j * m_tileSize.height, width, height));
-
-            // Flip Y to compensate for the flipping that happens during render to match the CG context coordinate space
-            CATransform3D transform = CATransform3DMakeScale(1, -1, 1);
-            CATransform3DTranslate(transform, 0, height, 0);
-            CACFLayerSetTransform(tile, transform);
-
-#ifndef NDEBUG
-            String name = "Tile (" + String::number(i) + "," + String::number(j) + ")";
-            CACFLayerSetName(tile, RetainPtr<CFStringRef>(AdoptCF, name.createCFString()).get());
-#endif
-        }
-    }
-}
-
-void WebTiledLayer::drawTile(CACFLayerRef tile, CGContextRef context)
-{
-    CGPoint tilePosition = CACFLayerGetPosition(tile);
-    CGRect tileBounds = CACFLayerGetBounds(tile);
-
-    CGContextSaveGState(context);
-
-    // Transform context to be at the origin of the parent layer
-    CGContextTranslateCTM(context, -tilePosition.x, -tilePosition.y);
-
-    // Set the context clipping rectangle to the current tile
-    CGContextClipToRect(context, CGRectMake(tilePosition.x, tilePosition.y, tileBounds.size.width, tileBounds.size.height));
-
-    if (m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown) {
-        // If the layer is rendering top-down, it will flip the coordinates in y. Tiled layers are
-        // already flipping, so we need to undo that here.
-        CGContextTranslateCTM(context, 0, bounds().size.height);
-        CGContextScaleCTM(context, 1, -1);
-    }
-
-    // Draw the tile
-    drawInContext(context);
-
-    CGContextRestoreGState(context);
-}
-
-}
-
-#endif // USE(ACCELERATED_COMPOSITING)