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/*
* 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 "WebLayer.h"
#include "Font.h"
#include "GraphicsLayer.h"
namespace WebCore {
using namespace std;
void WebLayer::internalSetNeedsDisplay(const CGRect* dirtyRect)
{
if (m_owner) {
if (m_owner->showRepaintCounter()) {
CGRect layerBounds = bounds();
CGRect repaintCounterRect = layerBounds;
// We assume a maximum of 4 digits and a font size of 18.
repaintCounterRect.size.width = 80;
repaintCounterRect.size.height = 22;
if (m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown)
repaintCounterRect.origin.y = layerBounds.size.height - (layerBounds.origin.y + repaintCounterRect.size.height);
WKCACFLayer::internalSetNeedsDisplay(&repaintCounterRect);
}
if (dirtyRect && m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown) {
CGRect flippedDirtyRect = *dirtyRect;
flippedDirtyRect.origin.y = bounds().size.height - (flippedDirtyRect.origin.y + flippedDirtyRect.size.height);
WKCACFLayer::internalSetNeedsDisplay(&flippedDirtyRect);
return;
}
}
WKCACFLayer::internalSetNeedsDisplay(dirtyRect);
}
void WebLayer::drawInContext(PlatformGraphicsContext* context)
{
if (!m_owner)
return;
CGContextSaveGState(context);
CGRect layerBounds = bounds();
if (m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown) {
CGContextScaleCTM(context, 1, -1);
CGContextTranslateCTM(context, 0, -layerBounds.size.height);
}
if (m_owner->client()) {
GraphicsContext graphicsContext(context);
// It's important to get the clip from the context, because it may be significantly
// smaller than the layer bounds (e.g. tiled layers)
CGRect clipBounds = CGContextGetClipBoundingBox(context);
IntRect clip(enclosingIntRect(clipBounds));
m_owner->paintGraphicsLayerContents(graphicsContext, clip);
}
#ifndef NDEBUG
else {
ASSERT_NOT_REACHED();
// FIXME: ideally we'd avoid calling -setNeedsDisplay on a layer that is a plain color,
// so CA never makes backing store for it (which is what -setNeedsDisplay will do above).
CGContextSetRGBFillColor(context, 0.0f, 1.0f, 0.0f, 1.0f);
CGContextFillRect(context, layerBounds);
}
#endif
if (m_owner->showRepaintCounter()) {
String text = String::number(m_owner->incrementRepaintCount());
CGContextSaveGState(context);
// Make the background of the counter the same as the border color,
// unless there is no border, then make it red
float borderWidth = CACFLayerGetBorderWidth(layer());
if (borderWidth > 0) {
CGColorRef borderColor = CACFLayerGetBorderColor(layer());
const CGFloat* colors = CGColorGetComponents(borderColor);
CGContextSetRGBFillColor(context, colors[0], colors[1], colors[2], colors[3]);
} else
CGContextSetRGBFillColor(context, 1.0f, 0.0f, 0.0f, 0.8f);
CGRect aBounds = layerBounds;
aBounds.size.width = 10 + 10 * text.length();
aBounds.size.height = 22;
CGContextFillRect(context, aBounds);
FontDescription desc;
NONCLIENTMETRICS metrics;
metrics.cbSize = sizeof(metrics);
SystemParametersInfo(SPI_GETNONCLIENTMETRICS, metrics.cbSize, &metrics, 0);
FontFamily family;
family.setFamily(metrics.lfSmCaptionFont.lfFaceName);
desc.setFamily(family);
desc.setComputedSize(18);
Font font = Font(desc, 0, 0);
font.update(0);
GraphicsContext cg(context);
cg.setFillColor(Color::black, ColorSpaceDeviceRGB);
cg.drawText(font, TextRun(text), IntPoint(aBounds.origin.x + 5, aBounds.origin.y + 17));
CGContextRestoreGState(context);
}
CGContextRestoreGState(context);
}
}
#endif // USE(ACCELERATED_COMPOSITING)
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