| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * 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 "config.h" |
| |
| #include "core/platform/graphics/filters/FEFlood.h" |
| |
| #include "SkFlattenableBuffers.h" |
| #include "SkImageFilter.h" |
| #include "core/platform/graphics/GraphicsContext.h" |
| #include "core/platform/graphics/filters/Filter.h" |
| #include "core/platform/text/TextStream.h" |
| #include "core/rendering/RenderTreeAsText.h" |
| #include "third_party/skia/include/core/SkDevice.h" |
| |
| namespace { |
| |
| class FloodImageFilter : public SkImageFilter { |
| public: |
| FloodImageFilter(const SkColor& color) |
| : SkImageFilter(0, 0) |
| , m_color(color) |
| { |
| } |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(FloodImageFilter) |
| |
| FloodImageFilter(SkFlattenableReadBuffer& buffer) : SkImageFilter(buffer) |
| { |
| m_color = buffer.readColor(); |
| } |
| |
| virtual void flatten(SkFlattenableWriteBuffer& buffer) const |
| { |
| buffer.writeColor(m_color); |
| } |
| |
| virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const SkMatrix&, SkBitmap* result, SkIPoint*) |
| { |
| if (!src.width() || !src.height()) |
| return false; |
| |
| SkAutoTUnref<SkDevice> device(proxy->createDevice(src.width(), src.height())); |
| SkCanvas canvas(device.get()); |
| SkPaint paint; |
| paint.setColor(m_color); |
| canvas.drawRect(SkRect::MakeWH(src.width(), src.height()), paint); |
| *result = device->accessBitmap(false); |
| return true; |
| } |
| private: |
| SkColor m_color; |
| }; |
| |
| }; // unnamed namespace |
| |
| namespace WebCore { |
| |
| FEFlood::FEFlood(Filter* filter, const Color& floodColor, float floodOpacity) |
| : FilterEffect(filter) |
| , m_floodColor(floodColor) |
| , m_floodOpacity(floodOpacity) |
| { |
| FilterEffect::setOperatingColorSpace(ColorSpaceDeviceRGB); |
| FilterEffect::setResultColorSpace(ColorSpaceDeviceRGB); |
| } |
| |
| PassRefPtr<FEFlood> FEFlood::create(Filter* filter, const Color& floodColor, float floodOpacity) |
| { |
| return adoptRef(new FEFlood(filter, floodColor, floodOpacity)); |
| } |
| |
| Color FEFlood::floodColor() const |
| { |
| return m_floodColor; |
| } |
| |
| bool FEFlood::setFloodColor(const Color& color) |
| { |
| if (m_floodColor == color) |
| return false; |
| m_floodColor = color; |
| return true; |
| } |
| |
| float FEFlood::floodOpacity() const |
| { |
| return m_floodOpacity; |
| } |
| |
| bool FEFlood::setFloodOpacity(float floodOpacity) |
| { |
| if (m_floodOpacity == floodOpacity) |
| return false; |
| m_floodOpacity = floodOpacity; |
| return true; |
| } |
| |
| void FEFlood::applySoftware() |
| { |
| ImageBuffer* resultImage = createImageBufferResult(); |
| if (!resultImage) |
| return; |
| |
| Color color = colorWithOverrideAlpha(floodColor().rgb(), floodOpacity()); |
| resultImage->context()->fillRect(FloatRect(FloatPoint(), absolutePaintRect().size()), color); |
| } |
| |
| PassRefPtr<SkImageFilter> FEFlood::createImageFilter(SkiaImageFilterBuilder* builder) |
| { |
| Color color = colorWithOverrideAlpha(floodColor().rgb(), floodOpacity()); |
| return adoptRef(new FloodImageFilter(color.rgb())); |
| } |
| |
| TextStream& FEFlood::externalRepresentation(TextStream& ts, int indent) const |
| { |
| writeIndent(ts, indent); |
| ts << "[feFlood"; |
| FilterEffect::externalRepresentation(ts); |
| ts << " flood-color=\"" << floodColor().nameForRenderTreeAsText() << "\" " |
| << "flood-opacity=\"" << floodOpacity() << "\"]\n"; |
| return ts; |
| } |
| |
| } // namespace WebCore |