/************************************************************************* ** GraphicsPathTest.cpp ** ** ** ** This file is part of dvisvgm -- a fast DVI to SVG converter ** ** Copyright (C) 2005-2019 Martin Gieseking ** ** ** ** 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 . ** *************************************************************************/ #include #include #include "GraphicsPath.hpp" using std::ostringstream; TEST(GraphicsPathTest, svg) { GraphicsPath path; path.moveto(0,0); path.lineto(10,10); path.cubicto(20,20,30,30,40,40); path.closepath(); EXPECT_FALSE(path.empty()); EXPECT_EQ(path.size(), 4u); ostringstream oss; path.writeSVG(oss, false); EXPECT_EQ(oss.str(), "M0 0L10 10C20 20 30 30 40 40Z"); path.clear(); EXPECT_TRUE(path.empty()); } TEST(GraphicsPathTest, optimize) { GraphicsPath path; path.moveto(0,0); path.lineto(10,0); path.lineto(10,20); ostringstream oss; path.writeSVG(oss, false); EXPECT_EQ(oss.str(), "M0 0H10V20"); } TEST(GraphicsPathTest, transform) { GraphicsPath path; path.moveto(0,0); path.lineto(1,0); path.lineto(1,1); path.lineto(0,1); path.closepath(); Matrix m(1); m.scale(2,2); m.translate(10, 100); m.rotate(90); path.transform(m); ostringstream oss; path.writeSVG(oss, false); EXPECT_EQ(oss.str(), "M-100 10V12H-102V10Z"); } TEST(GraphicsPathTest, closeOpenSubPaths) { GraphicsPath path; path.moveto(0,0); path.lineto(1,0); path.lineto(1,1); path.lineto(0,1); path.moveto(10,10); path.lineto(11,10); path.lineto(11,11); path.lineto(10,11); path.closeOpenSubPaths(); ostringstream oss; path.writeSVG(oss, false); EXPECT_EQ(oss.str(), "M0 0H1V1H0ZM10 10H11V11H10Z"); } TEST(GraphicsPathTest, relative1) { GraphicsPath path; path.moveto(0,0); path.lineto(10,10); path.lineto(10,20); path.cubicto(20,20,30,30,40,40); path.conicto(50, 50, 60, 60); path.lineto(100,60); path.closepath(); ostringstream oss; path.writeSVG(oss, true); EXPECT_EQ(oss.str(), "m0 0l10 10v10c10 0 20 10 30 20q10 10 20 20h40z"); } TEST(GraphicsPathTest, computeBBox) { GraphicsPath path; path.moveto(10,10); path.lineto(100,10); path.conicto(10,100,40,80); path.cubicto(5,5,30,10,90,70); path.lineto(20,30); path.closepath(); BoundingBox bbox; path.computeBBox(bbox); EXPECT_EQ(bbox, BoundingBox(5, 5, 100, 100)); } TEST(GraphicsPathTest, removeRedundantCommands) { GraphicsPath path; path.moveto(10,10); path.lineto(100,10); path.conicto(10,100,40,80); path.cubicto(5,5,30,10,90,70); path.moveto(10,10); path.moveto(15,10); path.moveto(20,20); path.lineto(20,30); path.moveto(10,10); path.moveto(20,20); path.removeRedundantCommands(); ostringstream oss; path.writeSVG(oss, false); EXPECT_EQ(oss.str(), "M10 10H100Q10 100 40 80C5 5 30 10 90 70M20 20V30"); } TEST(GraphicsPathTest, equals) { GraphicsPath path1; EXPECT_TRUE(path1 == path1); path1.moveto(10,10); path1.lineto(100,10); path1.conicto(10,100,40,80); path1.cubicto(5,5,30,10,90,70); path1.lineto(20,30); path1.closepath(); EXPECT_TRUE(path1 == path1); GraphicsPath path2; EXPECT_FALSE(path1 == path2); path2.moveto(10,10); path2.lineto(100,10); path2.conicto(10,100,40,80); path2.cubicto(5,5,30,10,90,70); path2.lineto(20,30); EXPECT_FALSE(path1 == path2); EXPECT_FALSE(path2 == path1); path2.closepath(); EXPECT_TRUE(path1 == path2); EXPECT_TRUE(path2 == path1); path2.clear(); path2.moveto(10,10); path2.lineto(100,10); path2.conicto(10,100,40,80); path2.cubicto(5,5,10,10,90,70); path2.lineto(20,30); path2.closepath(); EXPECT_FALSE(path1 == path2); EXPECT_FALSE(path2 == path1); } TEST(GraphicsPathTest, unequals) { GraphicsPath path1; EXPECT_FALSE(path1 != path1); path1.moveto(10,10); path1.lineto(100,10); path1.conicto(10,100,40,80); path1.cubicto(5,5,30,10,90,70); path1.lineto(20,30); path1.closepath(); EXPECT_FALSE(path1 != path1); GraphicsPath path2; EXPECT_TRUE(path1 != path2); path2.moveto(10,10); path2.lineto(100,10); path2.conicto(10,100,40,80); path2.cubicto(5,5,30,10,90,70); path2.lineto(20,30); EXPECT_TRUE(path1 != path2); EXPECT_TRUE(path2 != path1); path2.closepath(); EXPECT_FALSE(path1 != path2); EXPECT_FALSE(path2 != path1); path2.clear(); path2.moveto(10,10); path2.lineto(100,10); path2.conicto(10,100,40,80); path2.cubicto(5,5,10,10,90,70); path2.lineto(20,30); path2.closepath(); EXPECT_TRUE(path1 != path2); EXPECT_TRUE(path2 != path1); }