| // Copyright 2008, Google 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: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * 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. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| // OWNER 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 BASE_GFX_VECTOR_CANVAS_H__ |
| #define BASE_GFX_VECTOR_CANVAS_H__ |
| |
| #include "base/gfx/platform_canvas_win.h" |
| #include "base/gfx/vector_device.h" |
| |
| namespace gfx { |
| |
| // This class is a specialization of the regular PlatformCanvas. It is designed |
| // to work with a VectorDevice to manage platform-specific drawing. It allows |
| // using both Skia operations and platform-specific operations. It *doesn't* |
| // support reading back from the bitmap backstore since it is not used. |
| class VectorCanvas : public PlatformCanvasWin { |
| public: |
| VectorCanvas(); |
| VectorCanvas(HDC dc, int width, int height); |
| virtual ~VectorCanvas(); |
| |
| // For two-part init, call if you use the no-argument constructor above |
| void initialize(HDC context, int width, int height); |
| |
| virtual SkBounder* setBounder(SkBounder*); |
| virtual SkDevice* createDevice(SkBitmap::Config config, |
| int width, int height, |
| bool is_opaque, bool isForLayer); |
| virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter); |
| |
| private: |
| // |is_opaque| is unused. |shared_section| is in fact the HDC used for output. |
| virtual SkDevice* createPlatformDevice(int width, int height, bool is_opaque, |
| HANDLE shared_section); |
| |
| // Returns true if the top device is vector based and not bitmap based. |
| bool IsTopDeviceVectorial() const; |
| |
| DISALLOW_EVIL_CONSTRUCTORS(VectorCanvas); |
| }; |
| |
| } // namespace gfx |
| |
| #endif // BASE_GFX_VECTOR_CANVAS_H__ |