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33 lines
701 B
C++
33 lines
701 B
C++
#include "Painter.h"
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NAMESPACE_UPP
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void BufferPainter::BeginOnPathOp(double q, bool abs)
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{
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if(onpath.GetCount() == 0)
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RenderPath(ONPATH, NULL, RGBAZero());
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Begin();
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if(pathlen > 0) {
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if(!abs)
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q *= pathlen;
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Pointf pos(0, 0);
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for(int i = 0; i < onpath.GetCount(); i++) {
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PathLine& l = onpath[i];
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if(l.len > 0 && (l.len > q || q >= 1.0 && i == onpath.GetCount() - 1)) {
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Pointf v = l.p - pos;
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Translate(q / l.len * v + pos);
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Rotate(Bearing(v));
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break;
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}
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q -= l.len;
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pos = l.p;
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}
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}
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attrstack.Top().onpath = true;
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onpathstack.Add() = onpath;
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pathlenstack.Add(pathlen);
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onpath.Clear();
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pathlen = 0;
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}
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END_UPP_NAMESPACE
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