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SVGTransformList.cpp
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00023 #include "config.h"
00024 #include "wtf/Platform.h"
00025
00026 #if ENABLE(SVG)
00027 #include "AffineTransform.h"
00028 #include "SVGTransform.h"
00029 #include "SVGSVGElement.h"
00030 #include "SVGTransformDistance.h"
00031 #include "SVGTransformList.h"
00032
00033 using namespace WebCore;
00034
00035 SVGTransformList::SVGTransformList(const QualifiedName& attributeName)
00036 : SVGPODList<SVGTransform>(attributeName)
00037 {
00038 }
00039
00040 SVGTransformList::~SVGTransformList()
00041 {
00042 }
00043
00044 SVGTransform SVGTransformList::createSVGTransformFromMatrix(const AffineTransform& matrix) const
00045 {
00046 return SVGSVGElement::createSVGTransformFromMatrix(matrix);
00047 }
00048
00049 SVGTransform SVGTransformList::consolidate()
00050 {
00051 ExceptionCode ec = 0;
00052 return initialize(concatenate(), ec);
00053 }
00054
00055 SVGTransform SVGTransformList::concatenate() const
00056 {
00057 unsigned int length = numberOfItems();
00058 if (!length)
00059 return SVGTransform();
00060
00061 AffineTransform matrix;
00062 ExceptionCode ec = 0;
00063 for (unsigned int i = 0; i < length; i++)
00064 matrix = getItem(i, ec).matrix() * matrix;
00065
00066 return SVGTransform(matrix);
00067 }
00068
00069 SVGTransform SVGTransformList::concatenateForType(SVGTransform::SVGTransformType type) const
00070 {
00071 unsigned int length = numberOfItems();
00072 if (!length)
00073 return SVGTransform();
00074
00075 ExceptionCode ec = 0;
00076 SVGTransformDistance totalTransform;
00077 for (unsigned int i = 0; i < length; i++) {
00078 const SVGTransform& transform = getItem(i, ec);
00079 if (transform.type() == type)
00080 totalTransform.addSVGTransform(transform);
00081 }
00082
00083 return totalTransform.addToSVGTransform(SVGTransform());
00084 }
00085
00086 #endif // ENABLE(SVG)