/*************************************************************************
** PSInterpreterTest.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2024 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 "PSInterpreter.hpp"
#include <sstream>
#include <vector>
using namespace std;
class PSTestActions : public PSActions {
public:
void applyscalevals (vector<double> &p) override {print("applyscalevals", p);}
void clip (vector<double> &p) override {print("clip", p);}
void clippath (vector<double> &p) override {print("clippath", p);}
void closepath (vector<double> &p) override {print("closepath", p);}
void curveto (vector<double> &p) override {print("curveto", p);}
void eoclip (vector<double> &p) override {print("eoclip", p);}
void eofill (vector<double> &p) override {print("eofill", p);}
void fill (vector<double> &p) override {print("fill", p);}
void gsave (vector<double> &p) override {print("gsave", p);}
void grestore (vector<double> &p) override {print("grestore", p);}
void grestoreall (std::vector<double> &p) override {print("grestoreall", p);}
void image (std::vector<double> &p) override {print("image", p);}
void initclip (vector<double> &p) override {print("initclip", p);}
void lineto (vector<double> &p) override {print("lineto", p);}
void moveto (vector<double> &p) override {print("moveto", p);}
void makepattern (vector<double> &p) override {print("makepattern", p);}
void setpattern (vector<double> &p) override {print("setpattern", p);}
void setpagedevice (vector<double> &p) override {print("setpagedevice", p);}
void newpath (vector<double> &p) override {print("newpath", p);}
void querypos (vector<double> &p) override {print("querypos", p);}
void restore(std::vector<double> &p) override {print("restore", p);}
void rotate (vector<double> &p) override {print("rotate", p);}
void save(std::vector<double> &p) override {print("save", p);}
void scale (vector<double> &p) override {print("scale", p);}
void setalphaisshape (vector<double> &p) override {print("setalphaisshape", p);}
void setblendmode (vector<double> &p) override {print("setblendmode", p);}
void setcolorspace (vector<double> &p) override {print("setcolorspace", p);}
void setcmykcolor (vector<double> &p) override {print("setcmykcolor", p);}
void setdash (vector<double> &p) override {print("setdash", p);}
void setfillconstantalpha (vector<double> &p) override {print("setfillconstantalpha", p);}
void setgray (vector<double> &p) override {print("setgray", p);}
void sethsbcolor (vector<double> &p) override {print("sethsbcolor", p);}
void setlinecap (vector<double> &p) override {print("setlinecap", p);}
void setlinejoin (vector<double> &p) override {print("setlinejoin", p);}
void setlinewidth (vector<double> &p) override {print("setlinewidth", p);}
void setmatrix (vector<double> &p) override {print("setmatrix", p);}
void setmiterlimit (vector<double> &p) override {print("setmiterlimit", p);}
void setnulldevice (vector<double> &p) override {print("setnulldevice", p);}
void setrgbcolor (vector<double> &p) override {print("setrgbcolor", p);}
void setstrokeconstantalpha (vector<double> &p) override {print("setstrokeconstantalpha", p);}
void shfill (vector<double> &p) override {print("shfill", p);}
void stroke (vector<double> &p) override {print("stroke", p);}
void translate (vector<double> &p) override {print("translate", p);}
string result () const {return _oss.str();}
void clear () {_oss.str("");}
protected:
void print (const char *op, const vector<double> &p) {
_oss << op;
for (size_t i=0; i < p.size(); ++i)
_oss << ' ' << p[i];
_oss << ';';
}
private:
ostringstream _oss;
};
TEST(PSInterpreterTest, init) {
PSTestActions actions;
PSInterpreter psi(&actions);
ASSERT_TRUE(psi.active());
EXPECT_EQ(actions.result(), "");
}
TEST(PSInterpreterTest, gsave_grestore) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("gsave ");
EXPECT_EQ(actions.result(), "gsave;");
actions.clear();
psi.execute("grestore ");
if (psi.hasFullOpacitySupport())
EXPECT_EQ(actions.result(), "setmatrix 1 0 0 1 0 0;applyscalevals 1 1 1;setlinewidth 1;setlinecap 0;setlinejoin 0;setmiterlimit 10;setblendmode 0;setalphaisshape 0;setstrokeconstantalpha 1;setfillconstantalpha 1;setcolorspace 0;setrgbcolor 0 0 0;setdash 0;grestore;");
else
EXPECT_EQ(actions.result(), "setmatrix 1 0 0 1 0 0;applyscalevals 1 1 1;setlinewidth 1;setlinecap 0;setlinejoin 0;setmiterlimit 10;setcolorspace 0;setrgbcolor 0 0 0;setdash 0;grestore;");
actions.clear();
psi.execute("1 setlinecap 5 setmiterlimit 0 1 0 setrgbcolor gsave 0 setlinecap 10 setmiterlimit ");
EXPECT_EQ(actions.result(), "setlinecap 1;setmiterlimit 5;setrgbcolor 0 1 0;gsave;setlinecap 0;setmiterlimit 10;");
actions.clear();
psi.execute("grestore ");
if (psi.hasFullOpacitySupport())
EXPECT_EQ(actions.result(), "setmatrix 1 0 0 1 0 0;applyscalevals 1 1 1;setlinewidth 1;setlinecap 1;setlinejoin 0;setmiterlimit 5;setblendmode 0;setalphaisshape 0;setstrokeconstantalpha 1;setfillconstantalpha 1;setcolorspace 0;setrgbcolor 0 1 0;setdash 0;grestore;");
else
EXPECT_EQ(actions.result(), "setmatrix 1 0 0 1 0 0;applyscalevals 1 1 1;setlinewidth 1;setlinecap 1;setlinejoin 0;setmiterlimit 5;setcolorspace 0;setrgbcolor 0 1 0;setdash 0;grestore;");
}
TEST(PSInterpreterTest, stroke_fill) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("0 0 moveto 10 10 lineto 0 10 lineto closepath stroke ");
EXPECT_EQ(actions.result(), "setcolorspace 0;setrgbcolor 0 0 0;newpath 0;moveto 0 0;lineto 10 10;lineto 0 10;closepath;stroke;");
actions.clear();
psi.execute("0 0 moveto 10 10 lineto 0 10 lineto closepath fill ");
EXPECT_EQ(actions.result(), "setcolorspace 0;setrgbcolor 0 0 0;newpath 0;moveto 0 0;lineto 10 10;lineto 0 10;closepath;fill;");
}
TEST(PSInterpreterTest, clip) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("initclip ");
EXPECT_EQ(actions.result(), "initclip;");
actions.clear();
psi.execute("0 0 moveto 10 10 lineto 0 10 lineto closepath clip ");
EXPECT_EQ(actions.result(), "newpath 0;moveto 0 0;lineto 10 10;lineto 0 10;closepath;clip;");
}
TEST(PSInterpreterTest, transform) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("10 10 scale 90 rotate 100 -100 translate ");
EXPECT_EQ(actions.result(), "scale 10 10;applyscalevals 10 10 1;rotate 90;applyscalevals 10 10 0;translate 100 -100;");
}
TEST(PSInterpreterTest, calculate) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("2 3 add 4 mul 5 div rotate ");
ASSERT_EQ(actions.result(), "rotate 4;applyscalevals 1 1 0.997564;");
}
TEST(PSInterpreterTest, setlinewidth) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("10 setlinewidth ");
EXPECT_EQ(actions.result(), "setlinewidth 10;");
actions.clear();
psi.execute("5 5 scale 10 setlinewidth ");
EXPECT_EQ(actions.result(), "scale 5 5;applyscalevals 5 5 1;setlinewidth 10;");
actions.clear();
psi.execute("90 rotate 10 setlinewidth ");
EXPECT_EQ(actions.result(), "rotate 90;applyscalevals 5 5 0;setlinewidth 10;");
actions.clear();
psi.execute("-30 rotate 10 setlinewidth ");
EXPECT_EQ(actions.result(), "rotate -30;applyscalevals 5 5 0.5;setlinewidth 10;");
}
TEST(PSInterpreterTest, matrix) {
PSTestActions actions;
PSInterpreter psi(&actions);
psi.execute("matrix setmatrix ");
EXPECT_EQ(actions.result(), "setmatrix 1 0 0 1 0 0;applyscalevals 1 1 1;");
actions.clear();
psi.execute("10 100 translate 30 rotate matrix currentmatrix setmatrix ");
EXPECT_EQ(actions.result(), "translate 10 100;rotate 30;applyscalevals 1 1 0.866025;setmatrix 0.866025 0.5 -0.5 0.866025 10 100;applyscalevals 1 1 0.866025;");
}