#if ENABLE(SVG) && ENABLE(SVG_FILTERS)
#include "BlockExceptions.h"
#include "SVGFEDisplacementMap.h"
#include "SVGResourceFilter.h"
#include "SVGResourceFilterPlatformDataMac.h"
#include <QuartzCore/CoreImage.h>
#include <wtf/MathExtras.h>
class Color;
class SVGLightSource;
namespace WebCore {
CIVector* getVectorForChannel(SVGChannelSelectorType channel);
CIColor* ciColor(const Color& c);
CIFilter* getPointLightVectors(CIFilter* normals, CIVector* lightPosition, float surfaceScale);
CIFilter* getLightVectors(CIFilter* normals, const SVGLightSource* light, float surfaceScale);
CIFilter* getNormalMap(CIImage* bumpMap, float scale);
};
#define FE_QUARTZ_SETUP_INPUT(name) \
SVGResourceFilterPlatformDataMac* filterPlatformData = static_cast<SVGResourceFilterPlatformDataMac*>(svgFilter->platformData()); \
CIImage* inputImage = filterPlatformData->inputImage(this); \
FE_QUARTZ_CHECK_INPUT(inputImage) \
CIFilter* filter; \
BEGIN_BLOCK_OBJC_EXCEPTIONS; \
filter = [CIFilter filterWithName:name]; \
[filter setDefaults]; \
[filter setValue:inputImage forKey:@"inputImage"];
#define FE_QUARTZ_CHECK_INPUT(input) \
if (!input) \
return nil;
#define FE_QUARTZ_OUTPUT_RETURN \
filterPlatformData->setOutputImage(this, [filter valueForKey:@"outputImage"]); \
return filter; \
END_BLOCK_OBJC_EXCEPTIONS; \
return nil;
#define FE_QUARTZ_MAP_TO_SUBREGION_PREPARE(bbox) \
FloatRect filterRect = svgFilter->filterBBoxForItemBBox(bbox); \
FloatRect cropRect = primitiveBBoxForFilterBBox(filterRect, bbox); \
cropRect.intersect(filterRect); \
cropRect.move(-filterRect.x(), -filterRect.y());
#define FE_QUARTZ_MAP_TO_SUBREGION_APPLY(cropRect) \
{ \
CIFilter* crop = [CIFilter filterWithName:@"CICrop"]; \
[crop setDefaults]; \
if (CIImage* currentFilterOutputImage = [filter valueForKey:@"outputImage"]) { \
[crop setValue:currentFilterOutputImage forKey:@"inputImage"]; \
[crop setValue:[CIVector vectorWithX:cropRect.x() Y:cropRect.y() Z:cropRect.width() W:cropRect.height()] forKey:@"inputRectangle"]; \
filter = crop; \
} \
}
#define FE_QUARTZ_MAP_TO_SUBREGION(bbox) \
FE_QUARTZ_MAP_TO_SUBREGION_PREPARE(bbox); \
FE_QUARTZ_MAP_TO_SUBREGION_APPLY(cropRect);
#endif // ENABLE(SVG) && ENABLE(SVG_FILTERS)