| /* |
| * 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. |
| */ |
| |
| #ifndef GeneratedImage_h |
| #define GeneratedImage_h |
| |
| #include "core/platform/graphics/Image.h" |
| #include "core/platform/graphics/IntSize.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| class GeneratedImage : public Image { |
| public: |
| virtual bool currentFrameHasSingleSecurityOrigin() const OVERRIDE { return true; } |
| |
| virtual void setContainerSize(const IntSize& size) OVERRIDE { m_size = size; } |
| virtual bool usesContainerSize() const OVERRIDE { return true; } |
| virtual bool hasRelativeWidth() const OVERRIDE { return true; } |
| virtual bool hasRelativeHeight() const OVERRIDE { return true; } |
| virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE; |
| |
| virtual IntSize size() const OVERRIDE { return m_size; } |
| |
| // Assume that generated content has no decoded data we need to worry about |
| virtual void destroyDecodedData(bool) OVERRIDE { } |
| virtual unsigned decodedSize() const OVERRIDE { return 0; } |
| |
| protected: |
| virtual void drawPattern(GraphicsContext*, const FloatRect&, |
| const FloatSize&, const FloatPoint&, CompositeOperator, |
| const FloatRect&, BlendMode) OVERRIDE = 0; |
| |
| // FIXME: Implement this to be less conservative. |
| virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; } |
| |
| GeneratedImage() { } |
| |
| IntSize m_size; |
| }; |
| |
| } |
| |
| #endif |