Home | History | Annotate | Download | only in filters 
      1 /*
      2  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) 2005 Eric Seidel <eric (at) webkit.org>
      5  * Copyright (C) 2009 Dirk Schulze <krit (at) webkit.org>
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  */
     22 
     23 #include "config.h"
     24 
     25 #if ENABLE(FILTERS)
     26 #include "FEFlood.h"
     27 
     28 #include "Filter.h"
     29 #include "GraphicsContext.h"
     30 #include "RenderTreeAsText.h"
     31 #include "TextStream.h"
     32 
     33 namespace WebCore {
     34 
     35 FEFlood::FEFlood(Filter* filter, const Color& floodColor, float floodOpacity)
     36     : FilterEffect(filter)
     37     , m_floodColor(floodColor)
     38     , m_floodOpacity(floodOpacity)
     39 {
     40 }
     41 
     42 PassRefPtr<FEFlood> FEFlood::create(Filter* filter, const Color& floodColor, float floodOpacity)
     43 {
     44     return adoptRef(new FEFlood(filter, floodColor, floodOpacity));
     45 }
     46 
     47 Color FEFlood::floodColor() const
     48 {
     49     return m_floodColor;
     50 }
     51 
     52 bool FEFlood::setFloodColor(const Color& color)
     53 {
     54     if (m_floodColor == color)
     55         return false;
     56     m_floodColor = color;
     57     return true;
     58 }
     59 
     60 float FEFlood::floodOpacity() const
     61 {
     62     return m_floodOpacity;
     63 }
     64 
     65 bool FEFlood::setFloodOpacity(float floodOpacity)
     66 {
     67     if (m_floodOpacity == floodOpacity)
     68         return false;
     69     m_floodOpacity = floodOpacity;
     70     return true;
     71 }
     72 
     73 void FEFlood::apply()
     74 {
     75     if (hasResult())
     76         return;
     77     ImageBuffer* resultImage = createImageBufferResult();
     78     if (!resultImage)
     79         return;
     80 
     81     Color color = colorWithOverrideAlpha(floodColor().rgb(), floodOpacity());
     82     resultImage->context()->fillRect(FloatRect(FloatPoint(), absolutePaintRect().size()), color, ColorSpaceDeviceRGB);
     83 }
     84 
     85 void FEFlood::dump()
     86 {
     87 }
     88 
     89 TextStream& FEFlood::externalRepresentation(TextStream& ts, int indent) const
     90 {
     91     writeIndent(ts, indent);
     92     ts << "[feFlood";
     93     FilterEffect::externalRepresentation(ts);
     94     ts << " flood-color=\"" << floodColor().nameForRenderTreeAsText() << "\" "
     95        << "flood-opacity=\"" << floodOpacity() << "\"]\n";
     96     return ts;
     97 }
     98 
     99 } // namespace WebCore
    100 
    101 #endif // ENABLE(FILTERS)
    102