| /* |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| |
| #include "sky/engine/platform/graphics/filters/SourceGraphic.h" |
| |
| #include "sky/engine/platform/graphics/GraphicsContext.h" |
| #include "sky/engine/platform/text/TextStream.h" |
| #include "sky/engine/wtf/StdLibExtras.h" |
| #include "sky/engine/wtf/text/WTFString.h" |
| #include "third_party/skia/include/effects/SkPictureImageFilter.h" |
| |
| namespace blink { |
| |
| PassRefPtr<SourceGraphic> SourceGraphic::create(Filter* filter) |
| { |
| return adoptRef(new SourceGraphic(filter)); |
| } |
| |
| const AtomicString& SourceGraphic::effectName() |
| { |
| DEFINE_STATIC_LOCAL(const AtomicString, s_effectName, ("SourceGraphic", AtomicString::ConstructFromLiteral)); |
| return s_effectName; |
| } |
| |
| FloatRect SourceGraphic::determineAbsolutePaintRect(const FloatRect& requestedRect) |
| { |
| FloatRect srcRect = filter()->sourceImageRect(); |
| srcRect.intersect(requestedRect); |
| addAbsolutePaintRect(srcRect); |
| return srcRect; |
| } |
| |
| void SourceGraphic::applySoftware() |
| { |
| ImageBuffer* resultImage = createImageBufferResult(); |
| Filter* filter = this->filter(); |
| if (!resultImage || !filter->sourceImage()) |
| return; |
| |
| IntRect srcRect = filter->sourceImageRect(); |
| if (ImageBuffer* sourceImageBuffer = filter->sourceImage()) { |
| resultImage->context()->drawImageBuffer(sourceImageBuffer, |
| FloatRect(IntPoint(srcRect.location() - absolutePaintRect().location()), sourceImageBuffer->size())); |
| } |
| } |
| |
| PassRefPtr<SkImageFilter> SourceGraphic::createImageFilter(SkiaImageFilterBuilder*) |
| { |
| return nullptr; |
| } |
| |
| TextStream& SourceGraphic::externalRepresentation(TextStream& ts, int indent) const |
| { |
| writeIndent(ts, indent); |
| ts << "[SourceGraphic]\n"; |
| return ts; |
| } |
| |
| } // namespace blink |