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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\
";
static const char *wxPostScriptHeaderEllipse = "\
/ellipsedict 8 dict def\n\
ellipsedict /mtrx matrix put\n\
/ellipse {\n\
ellipsedict begin\n\
/endangle exch def\n\
/startangle exch def\n\
/yrad exch def\n\
/xrad exch def\n\
/y exch def\n\
/x exch def\n\
/savematrix mtrx currentmatrix 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 *wxPostScriptHeaderEllipse =
"/ellipse {\n" // x y xrad yrad startangle endangle
" matrix currentmatrix\n" // x y xrad yrad startangle endangle CTM
" 0 0 1\n" // x y xrad yrad startangle endangle CTM 0 0 1
" 10 4 roll\n" // CTM 0 0 1 x y xrad yrad startangle endangle
" 6 2 roll\n" // CTM 0 0 1 startangle endangle x y xrad yrad
" 4 2 roll\n" // CTM 0 0 1 startangle endangle xrad yrad x y
" translate\n" // CTM 0 0 1 startangle endangle xrad yrad
" scale\n" // CTM 0 0 1 startangle endangle
" arc\n" // CTM
" setmatrix\n" // -> restore transformation matrix
"} def\n";
static const char *wxPostScriptHeaderEllipticArc= "\
/ellipticarcdict 8 dict def\n\