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Diffstat (limited to 'WebCore/platform/graphics/chromium/TransformLayerChromium.h')
-rw-r--r-- | WebCore/platform/graphics/chromium/TransformLayerChromium.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/chromium/TransformLayerChromium.h b/WebCore/platform/graphics/chromium/TransformLayerChromium.h new file mode 100644 index 0000000..3d5ce94 --- /dev/null +++ b/WebCore/platform/graphics/chromium/TransformLayerChromium.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2010 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 TransformLayerChromium_h +#define TransformLayerChromium_h + +#if USE(ACCELERATED_COMPOSITING) + +#include "LayerChromium.h" + +namespace WebCore { + +// A Layer that doesn't draw any content but simply exists to group and +// transform its descendants. +class TransformLayerChromium : public LayerChromium { +public: + static PassRefPtr<TransformLayerChromium> create(GraphicsLayerChromium* owner = 0); + virtual bool drawsContent() { return false; } + +private: + TransformLayerChromium(GraphicsLayerChromium* owner); +}; + +} +#endif // USE(ACCELERATED_COMPOSITING) + +#endif |