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Sync to AGG tree to support stippi's Painter classes

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10693 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
DarkWyrm
2005-01-12 11:05:58 +00:00
parent 75d0f2ba9b
commit abd0030237
52 changed files with 2979 additions and 287 deletions
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headers/libs/agg/agg_rasterizer_scanline_aa.h
+37 -65
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@@ -148,34 +148,6 @@ namespace agg
};
//----------------------------------------------------------clipping_flags
// Determine the clipping code of the vertex according to the
// Cyrus-Beck line clipping algorithm
//
// | |
// 0110 | 0010 | 0011
// | |
// -------+--------+-------- clip_box.y2
// | |
// 0100 | 0000 | 0001
// | |
// -------+--------+-------- clip_box.y1
// | |
// 1100 | 1000 | 1001
// | |
// clip_box.x1 clip_box.x2
//
//
inline unsigned clipping_flags(int x, int y, const rect& clip_box)
{
return (x > clip_box.x2) |
((y > clip_box.y2) << 1) |
((x < clip_box.x1) << 2) |
((y < clip_box.y1) << 3);
}
//==================================================rasterizer_scanline_aa
// Polygon rasterizer that is used to render filled polygons with
// high-quality Anti-Aliasing. Internally, by default, the class uses
@@ -207,7 +179,7 @@ namespace agg
//
// filling_rule() and gamma() can be called anytime before "sweeping".
//------------------------------------------------------------------------
template<unsigned AA_Shift=8> class rasterizer_scanline_aa
template<unsigned XScale=1, unsigned AA_Shift=8> class rasterizer_scanline_aa
{
enum status
{
@@ -455,9 +427,9 @@ namespace agg
private:
//--------------------------------------------------------------------
// Disable copying
rasterizer_scanline_aa(const rasterizer_scanline_aa<AA_Shift>&);
const rasterizer_scanline_aa<AA_Shift>&
operator = (const rasterizer_scanline_aa<AA_Shift>&);
rasterizer_scanline_aa(const rasterizer_scanline_aa<XScale, AA_Shift>&);
const rasterizer_scanline_aa<XScale, AA_Shift>&
operator = (const rasterizer_scanline_aa<XScale, AA_Shift>&);
//--------------------------------------------------------------------
void move_to_no_clip(int x, int y);
@@ -492,23 +464,23 @@ namespace agg
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::reset()
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::reset()
{
m_outline.reset();
m_status = status_initial;
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::filling_rule(filling_rule_e filling_rule)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::filling_rule(filling_rule_e filling_rule)
{
m_filling_rule = filling_rule;
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::clip_box(double x1, double y1, double x2, double y2)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::clip_box(double x1, double y1, double x2, double y2)
{
reset();
m_clip_box = rect(poly_coord(x1), poly_coord(y1),
@@ -518,8 +490,8 @@ namespace agg
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::reset_clipping()
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::reset_clipping()
{
reset();
m_clipping = false;
@@ -528,14 +500,14 @@ namespace agg
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::move_to_no_clip(int x, int y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::move_to_no_clip(int x, int y)
{
if(m_status == status_line_to)
{
close_polygon_no_clip();
}
m_outline.move_to(x, y);
m_outline.move_to(x * XScale, y);
m_clipped_start_x = x;
m_clipped_start_y = y;
m_status = status_line_to;
@@ -543,32 +515,32 @@ namespace agg
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::line_to_no_clip(int x, int y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::line_to_no_clip(int x, int y)
{
if(m_status != status_initial)
{
m_outline.line_to(x, y);
m_outline.line_to(x * XScale, y);
m_status = status_line_to;
}
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::close_polygon_no_clip()
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::close_polygon_no_clip()
{
if(m_status == status_line_to)
{
m_outline.line_to(m_clipped_start_x, m_clipped_start_y);
m_outline.line_to(m_clipped_start_x * XScale, m_clipped_start_y);
m_status = status_closed;
}
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::clip_segment(int x, int y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::clip_segment(int x, int y)
{
unsigned flags = clipping_flags(x, y, m_clip_box);
if(m_prev_flags == flags)
@@ -615,8 +587,8 @@ namespace agg
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::add_vertex(double x, double y, unsigned cmd)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::add_vertex(double x, double y, unsigned cmd)
{
if(is_close(cmd))
{
@@ -641,8 +613,8 @@ namespace agg
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::move_to(int x, int y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::move_to(int x, int y)
{
if(m_clipping)
{
@@ -670,8 +642,8 @@ namespace agg
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::line_to(int x, int y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::line_to(int x, int y)
{
if(m_clipping)
{
@@ -684,8 +656,8 @@ namespace agg
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::close_polygon()
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::close_polygon()
{
if(m_clipping)
{
@@ -695,23 +667,23 @@ namespace agg
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::move_to_d(double x, double y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::move_to_d(double x, double y)
{
move_to(poly_coord(x), poly_coord(y));
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
void rasterizer_scanline_aa<AA_Shift>::line_to_d(double x, double y)
template<unsigned XScale, unsigned AA_Shift>
void rasterizer_scanline_aa<XScale, AA_Shift>::line_to_d(double x, double y)
{
line_to(poly_coord(x), poly_coord(y));
}
//------------------------------------------------------------------------
template<unsigned AA_Shift>
bool rasterizer_scanline_aa<AA_Shift>::hit_test(int tx, int ty)
template<unsigned XScale, unsigned AA_Shift>
bool rasterizer_scanline_aa<XScale, AA_Shift>::hit_test(int tx, int ty)
{
close_polygon();
const cell_aa* const* cells = m_outline.cells();