Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 0 insertions, 179 deletions

diff --git a/WebCore/platform/graphics/qt/TileQt.cpp b/WebCore/platform/graphics/qt/TileQt.cpp
deleted file mode 100644
index 096ce14..0000000
--- a/WebCore/platform/graphics/qt/TileQt.cpp
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- 
- 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"
-#include "Tile.h"
-
-#if ENABLE(TILED_BACKING_STORE)
-
-#include "GraphicsContext.h"
-#include "TiledBackingStore.h"
-#include "TiledBackingStoreClient.h"
-#include <QApplication>
-#include <QObject>
-#include <QPainter>
-#include <QRegion>
-
-namespace WebCore {
-    
-static const unsigned checkerSize = 16;
-static const unsigned checkerColor1 = 0xff555555;
-static const unsigned checkerColor2 = 0xffaaaaaa;
-    
-static QPixmap& checkeredPixmap()
-{
-    static QPixmap* pixmap;
-    if (!pixmap) {
-        pixmap = new QPixmap(checkerSize, checkerSize);
-        QPainter painter(pixmap);
-        QColor color1(checkerColor1);
-        QColor color2(checkerColor2);
-        for (unsigned y = 0; y < checkerSize; y += checkerSize / 2) {
-            bool alternate = y % checkerSize;
-            for (unsigned x = 0; x < checkerSize; x += checkerSize / 2) {
-                painter.fillRect(x, y, checkerSize / 2, checkerSize / 2, alternate ? color1 : color2);
-                alternate = !alternate;
-            }
-        }
-    }
-    return *pixmap;
-}
-    
-Tile::Tile(TiledBackingStore* backingStore, const Coordinate& tileCoordinate)
-    : m_backingStore(backingStore)
-    , m_coordinate(tileCoordinate)
-    , m_rect(m_backingStore->tileRectForCoordinate(tileCoordinate))
-    , m_buffer(0)
-    , m_backBuffer(0)
-    , m_dirtyRegion(new QRegion(m_rect))
-{
-}
-
-Tile::~Tile()
-{
-    delete m_buffer;
-    delete m_backBuffer;
-    delete m_dirtyRegion;
-}
-
-bool Tile::isDirty() const 
-{ 
-    return !m_dirtyRegion->isEmpty(); 
-}
-
-bool Tile::isReadyToPaint() const
-{ 
-    return m_buffer; 
-}
-
-void Tile::invalidate(const IntRect& dirtyRect)
-{
-    IntRect tileDirtyRect = intersection(dirtyRect, m_rect);
-    if (tileDirtyRect.isEmpty())
-        return;
-
-    *m_dirtyRegion += tileDirtyRect;
-}
-    
-void Tile::updateBackBuffer()
-{
-    if (m_buffer && !isDirty())
-        return;
-
-    if (!m_backBuffer) {
-        if (!m_buffer) {
-            m_backBuffer = new QPixmap(m_backingStore->m_tileSize.width(), m_backingStore->m_tileSize.height());
-            m_backBuffer->fill(m_backingStore->m_client->tiledBackingStoreBackgroundColor());
-        } else {
-            // Currently all buffers are updated synchronously at the same time so there is no real need
-            // to have separate back and front buffers. Just use the existing buffer.
-            m_backBuffer = m_buffer;
-            m_buffer = 0;
-        }
-    }
-
-    QVector<QRect> dirtyRects = m_dirtyRegion->rects();
-    *m_dirtyRegion = QRegion();
-    
-    QPainter painter(m_backBuffer);
-    GraphicsContext context(&painter);
-    context.translate(-m_rect.x(), -m_rect.y());
-
-    int size = dirtyRects.size();
-    for (int n = 0; n < size; ++n)  {
-        context.save();
-        IntRect rect = dirtyRects[n];
-        context.clip(FloatRect(rect));
-        context.scale(FloatSize(m_backingStore->m_contentsScale, m_backingStore->m_contentsScale));
-        m_backingStore->m_client->tiledBackingStorePaint(&context, m_backingStore->mapToContents(rect));
-        context.restore();
-    }
-}
-
-void Tile::swapBackBufferToFront()
-{
-    if (!m_backBuffer)
-        return;
-    delete m_buffer;
-    m_buffer = m_backBuffer;
-    m_backBuffer = 0;
-}
-
-void Tile::paint(GraphicsContext* context, const IntRect& rect)
-{
-    if (!m_buffer)
-        return;
-    
-    IntRect target = intersection(rect, m_rect);
-    IntRect source((target.x() - m_rect.x()),
-                   (target.y() - m_rect.y()),
-                   target.width(),
-                   target.height());
-    
-    context->platformContext()->drawPixmap(target, *m_buffer, source);
-}
-    
-void Tile::paintCheckerPattern(GraphicsContext* context, const FloatRect& target)
-{
-    QPainter* painter = context->platformContext();
-    QTransform worldTransform = painter->worldTransform();
-    qreal scaleX = worldTransform.m11();
-    qreal scaleY = worldTransform.m22();
-    
-    QRect targetViewRect = QRectF(target.x() * scaleX,
-                                  target.y() * scaleY,
-                                  target.width() * scaleX,
-                                  target.height() * scaleY).toAlignedRect();
-    
-    QTransform adjustedTransform(1., worldTransform.m12(), worldTransform.m13(),
-                  worldTransform.m21(), 1., worldTransform.m23(),
-                  worldTransform.m31(), worldTransform.m32(), worldTransform.m33());
-    painter->setWorldTransform(adjustedTransform);
-    
-    painter->drawTiledPixmap(targetViewRect,
-                             checkeredPixmap(),
-                             QPoint(targetViewRect.left() % checkerSize,
-                                    targetViewRect.top() % checkerSize));
-    
-    painter->setWorldTransform(worldTransform);
-}
-
-}
-
-#endif