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authorPeter Breitenlohner <peb@mppmu.mpg.de>2015-04-12 12:19:09 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2015-04-12 12:19:09 +0000
commitd984cfa161205fb12b161143bc2ad34fab8f62e7 (patch)
treef14cdd0d2d426a41a7f5cd453aea338ff50d51bc /Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h
parent71f5df284c02ef0e91223f5dba53370e1271f061 (diff)
texk/dvisvgm 1.9.2
git-svn-id: svn://tug.org/texlive/trunk@36781 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h64
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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h b/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h
new file mode 100644
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+++ b/Build/source/texk/dvisvgm/dvisvgm-1.9.2/src/TriangularPatch.h
@@ -0,0 +1,64 @@
+/*************************************************************************
+** TriangularPatch.h **
+** **
+** 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/>. **
+*************************************************************************/
+
+#ifndef DVISVGM_TRIANGULARPATCH_H
+#define DVISVGM_TRIANGULARPATCH_H
+
+#include "Color.h"
+#include "Pair.h"
+#include "ShadingPatch.h"
+
+class TriangularPatch : public ShadingPatch
+{
+ public:
+ TriangularPatch ();
+ TriangularPatch (Color::ColorSpace cspace) : ShadingPatch(cspace) {}
+ TriangularPatch (const PointVec &points, const ColorVec &colors, Color::ColorSpace cspace, int edgeflag, TriangularPatch *patch);
+ int psShadingType() const {return 4;}
+ DPair valueAt (double u, double v) const;
+ Color colorAt (double u, double v) const;
+ Color averageColor() const;
+ void setPoints (const PointVec &points, int edgeflag, ShadingPatch *patch);
+ void setPoints (const DPair &p1, const DPair &p2, const DPair &p3);
+ void setColors (const ColorVec &colors, int edgeflag, ShadingPatch *patch);
+ void setColors (const Color &c1, const Color &c2, const Color &c3);
+ void approximate (int gridsize, bool overlap, double delta, Callback &listener) const;
+ void getBBox (BoundingBox &bbox) const;
+ void getBoundaryPath(GraphicPath<double> &path) const;
+ int numPoints (int edgeflag) const {return edgeflag == 0 ? 3 : 1;}
+ int numColors (int edgeflag) const {return edgeflag == 0 ? 3 : 1;}
+
+ protected:
+ Color averageColor (const Color &c1, const Color &c2, const Color &c3) const;
+
+ private:
+ DPair _points[3];
+ Color _colors[3];
+};
+
+
+class LatticeTriangularPatch : public TriangularPatch
+{
+ public:
+ LatticeTriangularPatch (Color::ColorSpace cspace) : TriangularPatch(cspace) {}
+ int psShadingType() const {return 5;}
+};
+
+#endif