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Code Issues 33 Projects Packages Wiki Activity Actions

Radial gradient precission fix

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git-svn-id: svn://ultimatepp.org/upp/trunk@796 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2009-01-23 13:12:10 +00:00
parent 022c240842
commit ae51d46157
5 changed files with 33 additions and 6 deletions
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9
uppsrc/Painter/Painter.hpp
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@ -158,7 +158,14 @@ inline Painter& Painter::EvenOdd(bool evenodd)
inline Painter& Painter::Dash(const Vector<double>& dash, double start)
{
DashOp(dash, start);
if(dash.GetCount() & 1) {
Vector<double> dash1;
dash1.Append(dash);
dash1.Append(dash);
DashOp(dash1, start);
}
else
DashOp(dash, start);
return *this;
}

7
uppsrc/Painter/RadialGradient.cpp
View file

@ -167,10 +167,9 @@ struct UppRadialSpan {
interpolator.coordinates(&x, &y);
int h;
if(focus) {
x >>= 8;
y >>= 8;
double dx = x - cx - fx;
double dy = y - cy - fy;
const double q256 = 1 / 256.0;
double dx = q256 * x - cx - fx;
double dy = q256 * y - cy - fy;
if(dx == 0 && dy == 0)
h = 0;
else {

2
uppsrc/Painter/agg_rasterizer_scanline_aa.h
View file

@ -378,6 +378,7 @@ namespace agg
template<class Clip>
void rasterizer_scanline_aa<Clip>::line_to(int x, int y)
{
RTIMING("line_to");
m_clipper.line_to(m_outline,
conv_type::downscale(x),
conv_type::downscale(y));
@ -399,6 +400,7 @@ namespace agg
template<class Clip>
void rasterizer_scanline_aa<Clip>::line_to_d(double x, double y)
{
RTIMING("line_to_d");
m_clipper.line_to(m_outline,
conv_type::upscale(x),
conv_type::upscale(y));