| /* |
| Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef TextureMapperTiledBackingStore_h |
| #define TextureMapperTiledBackingStore_h |
| |
| #include "FloatRect.h" |
| #include "Image.h" |
| #include "TextureMapperBackingStore.h" |
| #include "TextureMapperTile.h" |
| #include <wtf/RefCounted.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| class TextureMapper; |
| |
| class TextureMapperTiledBackingStore : public RefCounted<TextureMapperTiledBackingStore>, public TextureMapperBackingStore { |
| public: |
| static Ref<TextureMapperTiledBackingStore> create() { return adoptRef(*new TextureMapperTiledBackingStore); } |
| virtual ~TextureMapperTiledBackingStore() = default; |
| |
| void paintToTextureMapper(TextureMapper&, const FloatRect&, const TransformationMatrix&, float) override; |
| void drawBorder(TextureMapper&, const Color&, float borderWidth, const FloatRect&, const TransformationMatrix&) override; |
| void drawRepaintCounter(TextureMapper&, int repaintCount, const Color&, const FloatRect&, const TransformationMatrix&) override; |
| |
| void updateContentsScale(float); |
| void updateContents(TextureMapper&, Image*, const FloatSize&, const IntRect&); |
| void updateContents(TextureMapper&, GraphicsLayer*, const FloatSize&, const IntRect&); |
| |
| void setContentsToImage(Image* image) { m_image = image; } |
| |
| private: |
| TextureMapperTiledBackingStore() = default; |
| |
| void createOrDestroyTilesIfNeeded(const FloatSize& backingStoreSize, const IntSize& tileSize, bool hasAlpha); |
| void updateContentsFromImageIfNeeded(TextureMapper&); |
| TransformationMatrix adjustedTransformForRect(const FloatRect&); |
| inline FloatRect rect() const |
| { |
| FloatRect rect(FloatPoint::zero(), m_size); |
| rect.scale(m_contentsScale); |
| return rect; |
| } |
| |
| Vector<TextureMapperTile> m_tiles; |
| FloatSize m_size; |
| RefPtr<Image> m_image; |
| float m_contentsScale { 1 }; |
| bool m_isScaleDirty { false }; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |