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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_gamma_lut.h
+19 -12
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.
@@ -27,14 +27,16 @@ namespace agg
unsigned HiResShift=8> class gamma_lut
{
public:
enum
typedef gamma_lut<LoResT, HiResT, GammaShift, HiResShift> self_type;
enum gamma_scale_e
{
gamma_shift = GammaShift,
gamma_size = 1 << gamma_shift,
gamma_mask = gamma_size - 1
};
enum
enum hi_res_scale_e
{
hi_res_shift = HiResShift,
hi_res_size = 1 << hi_res_shift,
@@ -43,14 +45,14 @@ namespace agg
~gamma_lut()
{
delete [] m_inv_gamma;
delete [] m_dir_gamma;
pod_allocator<LoResT>::deallocate(m_inv_gamma, hi_res_size);
pod_allocator<HiResT>::deallocate(m_dir_gamma, gamma_size);
}
gamma_lut() :
m_gamma(1.0),
m_dir_gamma(new HiResT[gamma_size]),
m_inv_gamma(new LoResT[hi_res_size])
m_dir_gamma(pod_allocator<HiResT>::allocate(gamma_size)),
m_inv_gamma(pod_allocator<LoResT>::allocate(hi_res_size))
{
unsigned i;
for(i = 0; i < gamma_size; i++)
@@ -66,8 +68,8 @@ namespace agg
gamma_lut(double g) :
m_gamma(1.0),
m_dir_gamma(new HiResT[gamma_size]),
m_inv_gamma(new LoResT[hi_res_size])
m_dir_gamma(pod_allocator<HiResT>::allocate(gamma_size)),
m_inv_gamma(pod_allocator<LoResT>::allocate(hi_res_size))
{
gamma(g);
}
@@ -79,13 +81,15 @@ namespace agg
unsigned i;
for(i = 0; i < gamma_size; i++)
{
m_dir_gamma[i] = (HiResT)(pow(double(i) / double(gamma_mask), m_gamma) * double(hi_res_mask) + 0.5);
m_dir_gamma[i] = (HiResT)
uround(pow(i / double(gamma_mask), m_gamma) * double(hi_res_mask));
}
double inv_g = 1.0 / g;
for(i = 0; i < hi_res_size; i++)
{
m_inv_gamma[i] = (LoResT)(pow(double(i) / double(hi_res_mask), inv_g) * double(gamma_mask) + 0.5);
m_inv_gamma[i] = (LoResT)
uround(pow(i / double(hi_res_mask), inv_g) * double(gamma_mask));
}
}
@@ -105,6 +109,9 @@ namespace agg
}
private:
gamma_lut(const self_type&);
const self_type& operator = (const self_type&);
double m_gamma;
HiResT* m_dir_gamma;
LoResT* m_inv_gamma;