/* * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) * Copyright (C) 2014 Igalia S.L. * * 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. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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" #include "BitmapTexture.h" #include "GraphicsLayer.h" #include "ImageBuffer.h" #include "TextureMapper.h" namespace WebCore { void BitmapTexture::updateContents(TextureMapper&, GraphicsLayer* sourceLayer, const IntRect& targetRect, const IntPoint& offset, float scale) { // Making an unconditionally unaccelerated buffer here is OK because this code // isn't used by any platforms that respect the accelerated bit. std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(targetRect.size(), Unaccelerated); if (!imageBuffer) return; GraphicsContext& context = imageBuffer->context(); context.setImageInterpolationQuality(InterpolationDefault); context.setTextDrawingMode(TextModeFill); IntRect sourceRect(targetRect); sourceRect.setLocation(offset); sourceRect.scale(1 / scale); context.applyDeviceScaleFactor(scale); context.translate(-sourceRect.x(), -sourceRect.y()); sourceLayer->paintGraphicsLayerContents(context, sourceRect); RefPtr<Image> image = imageBuffer->copyImage(DontCopyBackingStore); if (!image) return; updateContents(image.get(), targetRect, IntPoint()); } } // namespace