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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/tests/ShadingPatchTest.cpp
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diff --git a/dviware/dvisvgm/tests/ShadingPatchTest.cpp b/dviware/dvisvgm/tests/ShadingPatchTest.cpp
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+/*************************************************************************
+** ShadingPatchTest.cpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2019 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 <gtest/gtest.h>
+#include "ShadingPatch.hpp"
+#include "TensorProductPatch.hpp"
+#include "TriangularPatch.hpp"
+
+using namespace std;
+
+
+TEST(ShadingPatchTest, create) {
+ auto patch = ShadingPatch::create(4, Color::ColorSpace::RGB);
+ EXPECT_TRUE(dynamic_cast<TriangularPatch*>(patch.get()));
+ patch = ShadingPatch::create(5, Color::ColorSpace::RGB);
+ EXPECT_TRUE(dynamic_cast<LatticeTriangularPatch*>(patch.get()));
+ patch = ShadingPatch::create(6, Color::ColorSpace::RGB);
+ EXPECT_TRUE(dynamic_cast<CoonsPatch*>(patch.get()));
+ patch = ShadingPatch::create(7, Color::ColorSpace::RGB);
+ EXPECT_TRUE(dynamic_cast<TensorProductPatch*>(patch.get()));
+}
+
+
+TEST(ShadingPatchTest, fail) {
+ for (int i=0; i < 4; i++) {
+ EXPECT_THROW(ShadingPatch::create(i, Color::ColorSpace::RGB), ShadingException);
+ }
+}
+
+
+TEST(ShadingPatchTest, colorQueryFuncs) {
+ vector<DPair> points(3);
+ vector<Color> colors(3);
+ colors[0].setRGB(1.0, 0.0, 0.0);
+ colors[1].setRGB(0.0, 1.0, 0.0);
+ colors[2].setRGB(0.0, 0.0, 1.0);
+ TriangularPatch tp1(points, colors, Color::ColorSpace::RGB, 0, 0);
+ EXPECT_EQ(tp1.colorAt(0, 0).rgbString(), "#f00");
+ EXPECT_EQ(tp1.colorAt(1, 0).rgbString(), "#0f0");
+ EXPECT_EQ(tp1.colorAt(0, 1).rgbString(), "#00f");
+
+ colors[0].setGray(0.2);
+ colors[1].setGray(0.4);
+ colors[2].setGray(0.6);
+ TriangularPatch tp2(points, colors, Color::ColorSpace::GRAY, 0, 0);
+ EXPECT_EQ(tp2.colorAt(0, 0).rgbString(), "#333");
+ EXPECT_EQ(tp2.colorAt(1, 0).rgbString(), "#666");
+ EXPECT_EQ(tp2.colorAt(0, 1).rgbString(), "#999");
+
+ colors[0].setCMYK(1.0, 0.0, 0.0, 0.2);
+ colors[1].setCMYK(0.0, 1.0, 0.0, 0.4);
+ colors[2].setCMYK(0.0, 0.0, 1.0, 0.6);
+ TriangularPatch tp3(points, colors, Color::ColorSpace::CMYK, 0, 0);
+ EXPECT_EQ(tp3.colorAt(0, 0).rgbString(), "#29cccc");
+ EXPECT_EQ(tp3.colorAt(1, 0).rgbString(), "#993d99");
+ EXPECT_EQ(tp3.colorAt(0, 1).rgbString(), "#66663d");
+
+ colors[0].setLab(55, 80, 68);
+ colors[1].setLab(30, 62, -108);
+ colors[2].setLab(85, -72, 61);
+ TriangularPatch tp4(points, colors, Color::ColorSpace::LAB, 0, 0);
+ EXPECT_EQ(tp4.colorAt(0, 0).rgbString(), "#ff1402");
+ EXPECT_EQ(tp4.colorAt(1, 0).rgbString(), "#002bf8");
+ EXPECT_EQ(tp4.colorAt(0, 1).rgbString(), "#4af356");
+}