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* long overdue update to AGG 2.4

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* removed the useless parts of AGG (which are only needed for the
  interactive examples)
* make sure to jam -a libagg.a to solve any linking issues


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17838 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus
2006-06-14 14:30:17 +00:00
parent a58450492a
commit e39da397f5
229 changed files with 23117 additions and 18461 deletions
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headers/libs/agg/agg_trans_bilinear.h
+34 -2
View File
@@ -1,6 +1,6 @@
//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.2
// Copyright (C) 2002-2004 Maxim Shemanarev (http://www.antigrain.com)
// Anti-Grain Geometry - Version 2.4
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
@@ -124,6 +124,38 @@ namespace agg
*y = m_mtx[0][1] + m_mtx[1][1] * xy + m_mtx[2][1] * tx + m_mtx[3][1] * ty;
}
//--------------------------------------------------------------------
class iterator_x
{
double inc_x;
double inc_y;
public:
double x;
double y;
iterator_x() {}
iterator_x(double tx, double ty, double step, const double m[4][2]) :
inc_x(m[1][0] * step * ty + m[2][0] * step),
inc_y(m[1][1] * step * ty + m[2][1] * step),
x(m[0][0] + m[1][0] * tx * ty + m[2][0] * tx + m[3][0] * ty),
y(m[0][1] + m[1][1] * tx * ty + m[2][1] * tx + m[3][1] * ty)
{
}
void operator ++ ()
{
x += inc_x;
y += inc_y;
}
};
iterator_x begin(double x, double y, double step) const
{
return iterator_x(x, y, step, m_mtx);
}
private:
double m_mtx[4][2];
bool m_valid;