SVGFESpecularLightingCg.mm [plain text]
/*
Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
This file is part of the KDE project
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
aint 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"
#if ENABLE(SVG) && ENABLE(SVG_FILTERS)
#include "SVGFESpecularLighting.h"
#include "SVGFEHelpersCg.h"
#import "WKSpecularLightingFilter.h"
namespace WebCore {
CIFilter* SVGFESpecularLighting::getCIFilter(const FloatRect& bbox) const
{
const SVGLightSource* light = lightSource();
if (!light)
return nil;
[WKSpecularLightingFilter class];
SVGResourceFilter* svgFilter = filter();
SVGResourceFilterPlatformDataMac* filterPlatformData = static_cast<SVGResourceFilterPlatformDataMac*>(svgFilter->platformData());
CIFilter* filter;
BEGIN_BLOCK_OBJC_EXCEPTIONS;
filter = [CIFilter filterWithName:@"WKSpecularLighting"];
[filter setDefaults];
CIImage* inputImage = filterPlatformData->inputImage(this);
FE_QUARTZ_CHECK_INPUT(inputImage);
CIFilter* normals = getNormalMap(inputImage, surfaceScale());
if (!normals)
return nil;
CIFilter* lightVectors = getLightVectors(normals, light, surfaceScale());
if (!lightVectors)
return nil;
[filter setValue:[normals valueForKey:@"outputImage"] forKey:@"inputNormalMap"];
[filter setValue:[lightVectors valueForKey:@"outputImage"] forKey:@"inputLightVectors"];
[filter setValue:ciColor(lightingColor()) forKey:@"inputLightingColor"];
[filter setValue:[NSNumber numberWithFloat:surfaceScale()] forKey:@"inputSurfaceScale"];
[filter setValue:[NSNumber numberWithFloat:specularConstant()] forKey:@"inputSpecularConstant"];
[filter setValue:[NSNumber numberWithFloat:specularExponent()] forKey:@"inputSpecularExponent"];
[filter setValue:[NSNumber numberWithFloat:kernelUnitLengthX()] forKey:@"inputKernelUnitLengthX"];
[filter setValue:[NSNumber numberWithFloat:kernelUnitLengthY()] forKey:@"inputKernelUnitLengthY"];
FE_QUARTZ_MAP_TO_SUBREGION(bbox);
FE_QUARTZ_OUTPUT_RETURN;
}
}
#endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)