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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
Download Patch File Download Diff File Expand all files Collapse all files
headers/libs/agg/agg_vpgen_clip_polyline.h
+5 -48
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.
@@ -32,12 +32,9 @@ namespace agg
m_clip_box(0, 0, 1, 1),
m_x1(0),
m_y1(0),
m_f1(0),
m_x2(0),
m_y2(0),
m_f2(0),
m_num_vertices(0),
m_vertex(0)
m_vertex(0),
m_move_to(false)
{
}
@@ -50,7 +47,6 @@ namespace agg
m_clip_box.normalize();
}
double x1() const { return m_clip_box.x1; }
double y1() const { return m_clip_box.y1; }
double x2() const { return m_clip_box.x2; }
@@ -64,55 +60,16 @@ namespace agg
void line_to(double x, double y);
unsigned vertex(double* x, double* y);
private:
enum clipping_flags_def
{
clip_x1 = 1,
clip_x2 = 2,
clip_y1 = 4,
clip_y2 = 8
};
// Determine the clipping code of the vertex according to the
// Cyrus-Beck line clipping algorithm
//--------------------------------------------------------------------
unsigned clipping_flags_x(double x)
{
unsigned f = 0;
if(x < m_clip_box.x1) f |= clip_x1;
if(x > m_clip_box.x2) f |= clip_x2;
return f;
}
unsigned clipping_flags_y(double y)
{
unsigned f = 0;
if(y < m_clip_box.y1) f |= clip_y1;
if(y > m_clip_box.y2) f |= clip_y2;
return f;
}
unsigned clipping_flags(double x, double y)
{
return clipping_flags_x(x) | clipping_flags_y(y);
}
bool move_point(double& x, double& y, unsigned& flags);
void clip_line_segment();
private:
rect_d m_clip_box;
double m_x1;
double m_y1;
unsigned m_f1;
double m_x2;
double m_y2;
unsigned m_f2;
double m_x[2];
double m_y[2];
unsigned m_cmd[2];
unsigned m_num_vertices;
unsigned m_vertex;
bool m_move_to;
};
}