diff options
author | Karl Berry <karl@freefriends.org> | 2017-01-31 18:37:40 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2017-01-31 18:37:40 +0000 |
commit | 4c245316c293169ee655c8e2f922b4bee454f9bc (patch) | |
tree | 2d3b72165f3e7e1298df8dad8b52f119a42228dc /Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp | |
parent | 54a2f67f996dceca3c89276dea798f746b3cacaf (diff) |
import original dvisvgm-2.1
git-svn-id: svn://tug.org/texlive/trunk@43102 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp new file mode 100644 index 00000000000..313696d0237 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/tests/GFGlyphTracerTest.cpp @@ -0,0 +1,123 @@ +/************************************************************************* +** GFGlyphTracerTest.cpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2017 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 <string> +#include "GFGlyphTracer.hpp" + +#ifndef SRCDIR +#define SRCDIR "." +#endif + +using namespace std; + +class Callback : public GFGlyphTracer::Callback { + public: + void beginChar (uint8_t c) {_oss << "begin(" << int(c) << ")";} + void endChar (uint8_t c) {_oss << "end(" << int(c) << ")";} + void emptyChar (uint8_t c) {_oss << "empty(" << int(c) << ")";} + string getLog () const {return _oss.str();} + void reset () {_oss.str("");} + + private: + ostringstream _oss; +}; + + +// Returns an SVG path string with scaled values. +static string scaled_pathstr (const Glyph &glyph) { + ostringstream oss; + glyph.writeSVG(oss, false); + istringstream iss(oss.str()); + ostringstream resultstream; + XMLString::DECIMAL_PLACES = 1; + while (iss.peek() > 0) { + if (isalpha(iss.peek()) || isspace(iss.peek())) + resultstream << char(iss.get()); + else { + int num; + iss >> num; + resultstream << XMLString(double(num)/10000); + } + } + return resultstream.str(); +} + + +TEST(GFGlyphTracerTest, executeChar) { + string gfname = string(SRCDIR)+"/data/cmr10.600gf"; + Callback callback; + GFGlyphTracer tracer(gfname, 10000, &callback); + Glyph glyph; + tracer.setGlyph(glyph); + EXPECT_FALSE(tracer.executeChar(128)); + EXPECT_EQ(callback.getLog(), "begin(128)empty(128)"); + + callback.reset(); + EXPECT_TRUE(tracer.executeChar('g')); + ostringstream oss; + glyph.closeOpenSubPaths(); + EXPECT_EQ(scaled_pathstr(glyph), + "M3.5 4.3C3.2 4.1 3.1 4.1 2.9 4.3C1.9 4.8 0.6 4 0.6 3C0.6 2.8 0.7 2.4 0.8 2.3C0.9 2.1 1 2 0.9 1.7" + "C0.7 1.3 0.7 0.8 0.9 0.5C1 0.3 1 0.3 0.6 -0.1C-0 -0.7 0.1 -1.4 1.1 -1.9C1.7 -2.2 3.3 -2.2 3.8 -1.9" + "C4.4 -1.6 4.7 -1.2 4.7 -0.8C4.7 0.2 3.9 0.7 2.4 0.7C1.3 0.7 1 0.9 1.1 1.4C1.1 1.7 1.2 1.7 1.4 1.7" + "C1.5 1.7 1.8 1.6 2 1.6C3.2 1.4 4.2 2.8 3.5 3.7C3.4 3.9 3.4 4 3.6 4.1C4 4.4 4.3 4.4 4.2 4.1" + "C4.2 3.9 4.4 3.7 4.6 3.8C4.7 3.8 4.8 4 4.8 4.1C4.8 4.6 4.2 4.7 3.5 4.3Z" + "M2.7 3.9C2.9 3.8 2.9 3.5 2.9 3C2.9 2.2 2.7 1.8 2.2 1.8C1.6 1.8 1.4 2.2 1.4 3C1.4 3.8 1.6 4.2 2.2 4.2C2.3 4.2 2.6 4.1 2.7 3.9Z" + "M3.5 -0.1C4 -0.2 4.2 -0.7 4 -1.1C3.6 -2 1.7 -2.2 1.1 -1.4C0.8 -1 0.8 -0.6 1.1 -0.2C1.3 0.1 1.4 0.1 2.2 0.1C2.7 0.1 3.3 0 3.5 -0.1Z"); + EXPECT_EQ(callback.getLog(), "begin(103)end(103)"); + + tracer.reset(gfname, 1000); + glyph.clear(); + callback.reset(); + EXPECT_TRUE(tracer.executeChar('I')); + glyph.closeOpenSubPaths(); + oss.str(""); + EXPECT_EQ(scaled_pathstr(glyph), + "M0 0.7C0 0.7 0 0.6 0.1 0.6L0.1 0.6V0.3V0L0.1 0C0 0 0 0 0 0C0 0 0.1 0 0.2 0C0.3 0 0.3 0 0.3 0" + "C0.3 0 0.3 0 0.3 0L0.2 0V0.3V0.6L0.3 0.6C0.3 0.6 0.3 0.7 0.3 0.7C0.3 0.7 0.3 0.7 0.2 0.7C0.1 0.7 0 0.7 0 0.7Z"); + EXPECT_EQ(callback.getLog(), "begin(73)end(73)"); +} + + +TEST(GFGlyphTracerTest, defaultCallback) { + string gfname = string(SRCDIR)+"/data/cmr10.600gf"; + GFGlyphTracer::Callback callback; + GFGlyphTracer tracer(gfname, 1000, &callback); + Glyph glyph; + tracer.setGlyph(glyph); + tracer.closePath(); + EXPECT_FALSE(tracer.executeChar(128)); + EXPECT_TRUE(tracer.executeChar('g')); +} + + +TEST(GFGlyphTracerTest, fail) { + GFGlyphTracer tracer; + EXPECT_FALSE(tracer.executeChar('M')); + + Glyph glyph; + tracer.setGlyph(glyph); + EXPECT_THROW(tracer.executeChar('M'), GFException); + + string gfname = string(SRCDIR)+"/data/cmr10.600gf"; + tracer.reset(gfname, 1000); + EXPECT_TRUE(tracer.executeChar('M')); +} |