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121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/*
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* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
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* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "flutter/sky/engine/platform/graphics/Image.h"
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#include "flutter/sky/engine/platform/Length.h"
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#include "flutter/sky/engine/platform/SharedBuffer.h"
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#include "flutter/sky/engine/platform/geometry/FloatPoint.h"
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#include "flutter/sky/engine/platform/geometry/FloatRect.h"
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#include "flutter/sky/engine/platform/geometry/FloatSize.h"
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#include "flutter/sky/engine/platform/graphics/GraphicsContext.h"
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#include "flutter/sky/engine/platform/graphics/GraphicsContextStateSaver.h"
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#include "flutter/sky/engine/public/platform/Platform.h"
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#include "flutter/sky/engine/wtf/MainThread.h"
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#include "flutter/sky/engine/wtf/StdLibExtras.h"
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#include <math.h>
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namespace blink {
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Image::Image(ImageObserver* observer)
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: m_imageObserver(observer)
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{
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}
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Image::~Image()
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{
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}
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bool Image::setData(PassRefPtr<SharedBuffer> data, bool allDataReceived)
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{
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m_encodedImageData = data;
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if (!m_encodedImageData.get())
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return true;
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int length = m_encodedImageData->size();
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if (!length)
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return true;
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return dataChanged(allDataReceived);
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}
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void Image::fillWithSolidColor(GraphicsContext* ctxt, const FloatRect& dstRect, const Color& color, CompositeOperator op)
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{
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if (!color.alpha())
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return;
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CompositeOperator previousOperator = ctxt->compositeOperation();
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ctxt->setCompositeOperation(!color.hasAlpha() && op == CompositeSourceOver ? CompositeCopy : op);
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ctxt->fillRect(dstRect, color);
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ctxt->setCompositeOperation(previousOperator);
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}
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FloatRect Image::adjustForNegativeSize(const FloatRect& rect)
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{
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FloatRect norm = rect;
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if (norm.width() < 0) {
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norm.setX(norm.x() + norm.width());
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norm.setWidth(-norm.width());
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}
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if (norm.height() < 0) {
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norm.setY(norm.y() + norm.height());
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norm.setHeight(-norm.height());
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}
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return norm;
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}
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void Image::draw(GraphicsContext* ctx, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator op, WebBlendMode blendMode, RespectImageOrientationEnum)
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{
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}
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void Image::drawTiled(GraphicsContext* ctxt, const FloatRect& destRect, const FloatPoint& srcPoint, const FloatSize& scaledTileSize, CompositeOperator op, WebBlendMode blendMode, const IntSize& repeatSpacing)
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{
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}
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// FIXME: Merge with the other drawTiled eventually, since we need a combination of both for some things.
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void Image::drawTiled(GraphicsContext* ctxt, const FloatRect& dstRect, const FloatRect& srcRect,
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const FloatSize& providedTileScaleFactor, TileRule hRule, TileRule vRule, CompositeOperator op)
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{
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}
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void Image::drawPattern(GraphicsContext* context, const FloatRect& floatSrcRect, const FloatSize& scale,
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const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& destRect, WebBlendMode blendMode, const IntSize& repeatSpacing)
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{
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}
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void Image::computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
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{
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}
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PassRefPtr<Image> Image::imageForDefaultFrame()
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{
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RefPtr<Image> image(this);
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return image.release();
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}
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} // namespace blink
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