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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.11/src/ShadingPatch.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.11/src/ShadingPatch.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.11/src/ShadingPatch.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.11/src/ShadingPatch.cpp new file mode 100644 index 00000000000..057f67f3f65 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.11/src/ShadingPatch.cpp @@ -0,0 +1,64 @@ +/************************************************************************* +** ShadingPatch.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2015 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** This program is free software; you can redistribute it and/or ** +** modify it under the terms of the GNU General Public License as ** +** published by the Free Software Foundation; either version 3 of ** +** the License, or (at your option) any later version. ** +** ** +** This program 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 General Public License for more details. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#include <sstream> +#include "ShadingPatch.h" +#include "TensorProductPatch.h" +#include "TriangularPatch.h" + +using namespace std; + +/** Get functions to get/set the current color depending on the assigned color space. */ +void ShadingPatch::colorQueryFuncs (ColorGetter &getter, ColorSetter &setter) const { + switch (_colorspace) { + case Color::CMYK_SPACE: + getter = &Color::getCMYK; + setter = &Color::setCMYK; + break; + case Color::LAB_SPACE: + getter = &Color::getLab; + setter = &Color::setLab; + break; + case Color::RGB_SPACE: + getter = &Color::getRGB; + setter = &Color::setRGB; + break; + case Color::GRAY_SPACE: + getter = &Color::getGray; + setter = &Color::setGray; + } +} + + +/** Factory method: Creates a shading patch object depending on the given PostScript shading type. */ +ShadingPatch* ShadingPatch::create (int psShadingType, Color::ColorSpace cspace) { + switch (psShadingType) { + case 4: return new TriangularPatch(cspace); + case 5: return new LatticeTriangularPatch(cspace); + case 6: return new CoonsPatch(cspace); + case 7: return new TensorProductPatch(cspace); + } + ostringstream oss; + if (psShadingType > 0 && psShadingType < 4) + oss << "shading type " << psShadingType << " not supported"; + else + oss << "invalid shading type " << psShadingType; + throw ShadingException(oss.str()); +} |