diff options
Diffstat (limited to 'WebCore/platform/graphics/GeneratedImage.cpp')
-rw-r--r-- | WebCore/platform/graphics/GeneratedImage.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/GeneratedImage.cpp b/WebCore/platform/graphics/GeneratedImage.cpp new file mode 100644 index 0000000..5e50959 --- /dev/null +++ b/WebCore/platform/graphics/GeneratedImage.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2008 Apple Computer, 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 COMPUTER, 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" +#include "GeneratedImage.h" + +#include "FloatRect.h" +#include "GraphicsContext.h" +#include "ImageBuffer.h" + +using namespace std; + +namespace WebCore { + +void GeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator compositeOp) +{ + context->save(); + context->setCompositeOperation(compositeOp); + context->clip(dstRect); + context->translate(dstRect.x(), dstRect.y()); + if (dstRect.size() != srcRect.size()) + context->scale(FloatSize(dstRect.width() / srcRect.width(), dstRect.height() / srcRect.height())); + context->translate(-srcRect.x(), -srcRect.y()); + context->fillRect(FloatRect(FloatPoint(), m_size), *m_generator.get()); + context->restore(); +} + +void GeneratedImage::drawPattern(GraphicsContext* context, const FloatRect& srcRect, const AffineTransform& patternTransform, + const FloatPoint& phase, CompositeOperator compositeOp, const FloatRect& destRect) +{ + // Create a BitmapImage and call drawPattern on it. + auto_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(m_size, false); + ASSERT(imageBuffer.get()); + + // Fill with the gradient. + GraphicsContext* graphicsContext = imageBuffer->context(); + graphicsContext->fillRect(FloatRect(FloatPoint(), m_size), *m_generator.get()); + + // Grab the final image from the image buffer. + Image* bitmap = imageBuffer->image(); + + // Now just call drawTiled on that image. + bitmap->drawPattern(context, srcRect, patternTransform, phase, compositeOp, destRect); +} + +} |