GfxShadingPattern 1611 lib/pdf/xpdf/GfxState.cc GfxShadingPattern::GfxShadingPattern(GfxShading *shadingA, double *matrixA): GfxShadingPattern 1622 lib/pdf/xpdf/GfxState.cc GfxShadingPattern::~GfxShadingPattern() {