mirror of https://github.com/qpdf/qpdf.git
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
#include <qpdf/QPDFMatrix.hh>
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#include <qpdf/QUtil.hh>
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#include <assert.h>
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#include <iostream>
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static void check(QPDFMatrix const& m, std::string const& exp)
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{
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std::string u = m.unparse();
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if (u != exp)
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{
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std::cout << "got " << u << ", wanted " << exp << std::endl;
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}
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}
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static void check_xy(double x, double y, std::string const& exp)
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{
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std::string u = (QUtil::double_to_string(x, 2) + " " +
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QUtil::double_to_string(y, 2));
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if (u != exp)
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{
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std::cout << "got " << u << ", wanted " << exp << std::endl;
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}
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}
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static void check_rect(QPDFObjectHandle::Rectangle const& r,
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double llx, double lly, double urx, double ury)
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{
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std::string actual = (
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QUtil::double_to_string(r.llx, 2) + " " +
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QUtil::double_to_string(r.lly, 2) + " " +
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QUtil::double_to_string(r.urx, 2) + " " +
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QUtil::double_to_string(r.ury, 2));
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std::string wanted = (
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QUtil::double_to_string(llx, 2) + " " +
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QUtil::double_to_string(lly, 2) + " " +
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QUtil::double_to_string(urx, 2) + " " +
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QUtil::double_to_string(ury, 2));
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if (actual != wanted)
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{
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std::cout << "got " << actual << ", wanted " << wanted << std::endl;
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}
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}
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int main()
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{
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QPDFMatrix m;
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check(m, "1 0 0 1 0 0");
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m.translate(10, 20);
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check(m, "1 0 0 1 10 20");
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m.scale(1.5, 2);
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check(m, "1.5 0 0 2 10 20");
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double xp = 0;
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double yp = 0;
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m.transform(10, 100, xp, yp);
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check_xy(xp, yp, "25 220");
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m.translate(30, 40);
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check(m, "1.5 0 0 2 55 100");
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m.transform(10, 100, xp, yp);
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check_xy(xp, yp, "70 300");
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m.concat(QPDFMatrix(1, 2, 3, 4, 5, 6));
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check(m, "1.5 4 4.5 8 62.5 112");
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m.rotatex90(90);
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check(m, "4.5 8 -1.5 -4 62.5 112");
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m.rotatex90(180);
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check(m, "-4.5 -8 1.5 4 62.5 112");
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m.rotatex90(270);
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check(m, "-1.5 -4 -4.5 -8 62.5 112");
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m.rotatex90(180);
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check(m, "1.5 4 4.5 8 62.5 112");
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m.rotatex90(12345);
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check(m, "1.5 4 4.5 8 62.5 112");
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m.transform(240, 480, xp, yp);
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check_xy(xp, yp, "2582.5 4912");
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check(QPDFMatrix(
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QPDFObjectHandle::parse(
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"[3 1 4 1 5 9.26535]").getArrayAsMatrix()),
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"3 1 4 1 5 9.26535");
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m = QPDFMatrix();
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m.rotatex90(90);
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m.translate(200, -100);
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check_rect(
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m.transformRectangle(QPDFObjectHandle::Rectangle(10, 20, 30, 50)),
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50, 210, 80, 230);
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std::cout << "matrix tests done" << std::endl;
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return 0;
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}
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