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Simplify PostScript code generated by wxPostScriptDC to draw elliptic contour

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Optimize procedure 'ellipse' (to draw elliptic contour) by doing all operations on the operand stack instead of creating local dictionary and temporary variables.
This commit is contained in:
Artur Wieczorek
2017-02-22 21:15:21 +01:00
parent f49528cc2f
commit 8a45881e44
1 changed files with 12 additions and 19 deletions
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31
src/generic/dcpsg.cpp
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@@ -75,25 +75,18 @@ static const char *wxPostScriptHeaderConicTo = "\
} bind def\n\ } bind def\n\
"; ";
static const char *wxPostScriptHeaderEllipse = "\ static const char *wxPostScriptHeaderEllipse =
/ellipsedict 8 dict def\n\ "/ellipse {\n" // x y xrad yrad startangle endangle
ellipsedict /mtrx matrix put\n\ " matrix currentmatrix\n" // x y xrad yrad startangle endangle CTM
/ellipse {\n\ " 0 0 1\n" // x y xrad yrad startangle endangle CTM 0 0 1
ellipsedict begin\n\ " 10 4 roll\n" // CTM 0 0 1 x y xrad yrad startangle endangle
/endangle exch def\n\ " 6 2 roll\n" // CTM 0 0 1 startangle endangle x y xrad yrad
/startangle exch def\n\ " 4 2 roll\n" // CTM 0 0 1 startangle endangle xrad yrad x y
/yrad exch def\n\ " translate\n" // CTM 0 0 1 startangle endangle xrad yrad
/xrad exch def\n\ " scale\n" // CTM 0 0 1 startangle endangle
/y exch def\n\ " arc\n" // CTM
/x exch def\n\ " setmatrix\n" // -> restore transformation matrix
/savematrix mtrx currentmatrix def\n\ "} def\n";
x y translate\n\
xrad yrad scale\n\
0 0 1 startangle endangle arc\n\
savematrix setmatrix\n\
end\n\
} def\n\
";
static const char *wxPostScriptHeaderEllipticArc= "\ static const char *wxPostScriptHeaderEllipticArc= "\
/ellipticarcdict 8 dict def\n\ /ellipticarcdict 8 dict def\n\