1//----------------------------------------------------------------------------
2// Anti-Grain Geometry - Version 2.4
3// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
4//
5// Permission to copy, use, modify, sell and distribute this software
6// is granted provided this copyright notice appears in all copies.
7// This software is provided "as is" without express or implied
8// warranty, and with no claim as to its suitability for any purpose.
9//
10//----------------------------------------------------------------------------
11// Contact: mcseem@antigrain.com
12//          mcseemagg@yahoo.com
13//          http://www.antigrain.com
14//----------------------------------------------------------------------------
15
16#ifndef AGG_PIXFMT_TRANSPOSER_INCLUDED
17#define AGG_PIXFMT_TRANSPOSER_INCLUDED
18
19#include "agg_basics.h"
20
21namespace agg
22{
23    //=======================================================pixfmt_transposer
24    template<class PixFmt> class pixfmt_transposer
25    {
26    public:
27        typedef PixFmt pixfmt_type;
28        typedef typename pixfmt_type::color_type color_type;
29        typedef typename pixfmt_type::row_data row_data;
30        typedef typename color_type::value_type value_type;
31        typedef typename color_type::calc_type calc_type;
32
33        //--------------------------------------------------------------------
34        pixfmt_transposer() : m_pixf(0) {}
35        pixfmt_transposer(pixfmt_type& pixf) : m_pixf(&pixf) {}
36        void attach(pixfmt_type& pixf) { m_pixf = &pixf; }
37
38        //--------------------------------------------------------------------
39        AGG_INLINE unsigned width()  const { return m_pixf->height();  }
40        AGG_INLINE unsigned height() const { return m_pixf->width(); }
41
42        //--------------------------------------------------------------------
43        AGG_INLINE color_type pixel(int x, int y) const
44        {
45            return m_pixf->pixel(y, x);
46        }
47
48        //--------------------------------------------------------------------
49        AGG_INLINE void copy_pixel(int x, int y, const color_type& c)
50        {
51            m_pixf->copy_pixel(y, x, c);
52        }
53
54        //--------------------------------------------------------------------
55        AGG_INLINE void blend_pixel(int x, int y,
56                                    const color_type& c,
57                                    int8u cover)
58        {
59            m_pixf->blend_pixel(y, x, c, cover);
60        }
61
62        //--------------------------------------------------------------------
63        AGG_INLINE void copy_hline(int x, int y,
64                                   unsigned len,
65                                   const color_type& c)
66        {
67            m_pixf->copy_vline(y, x, len, c);
68        }
69
70        //--------------------------------------------------------------------
71        AGG_INLINE void copy_vline(int x, int y,
72                                   unsigned len,
73                                   const color_type& c)
74        {
75            m_pixf->copy_hline(y, x, len, c);
76        }
77
78        //--------------------------------------------------------------------
79        AGG_INLINE void blend_hline(int x, int y,
80                                    unsigned len,
81                                    const color_type& c,
82                                    int8u cover)
83        {
84            m_pixf->blend_vline(y, x, len, c, cover);
85        }
86
87        //--------------------------------------------------------------------
88        AGG_INLINE void blend_vline(int x, int y,
89                                    unsigned len,
90                                    const color_type& c,
91                                    int8u cover)
92        {
93            m_pixf->blend_hline(y, x, len, c, cover);
94        }
95
96        //--------------------------------------------------------------------
97        AGG_INLINE void blend_solid_hspan(int x, int y,
98                                          unsigned len,
99                                          const color_type& c,
100                                          const int8u* covers)
101        {
102            m_pixf->blend_solid_vspan(y, x, len, c, covers);
103        }
104
105        //--------------------------------------------------------------------
106        AGG_INLINE void blend_solid_vspan(int x, int y,
107                                          unsigned len,
108                                          const color_type& c,
109                                          const int8u* covers)
110        {
111            m_pixf->blend_solid_hspan(y, x, len, c, covers);
112        }
113
114        //--------------------------------------------------------------------
115        AGG_INLINE void copy_color_hspan(int x, int y,
116                                         unsigned len,
117                                         const color_type* colors)
118        {
119            m_pixf->copy_color_vspan(y, x, len, colors);
120        }
121
122        //--------------------------------------------------------------------
123        AGG_INLINE void copy_color_vspan(int x, int y,
124                                         unsigned len,
125                                         const color_type* colors)
126        {
127            m_pixf->copy_color_hspan(y, x, len, colors);
128        }
129
130        //--------------------------------------------------------------------
131        AGG_INLINE void blend_color_hspan(int x, int y,
132                                          unsigned len,
133                                          const color_type* colors,
134                                          const int8u* covers,
135                                          int8u cover)
136        {
137            m_pixf->blend_color_vspan(y, x, len, colors, covers, cover);
138        }
139
140        //--------------------------------------------------------------------
141        AGG_INLINE void blend_color_vspan(int x, int y,
142                               unsigned len,
143                               const color_type* colors,
144                               const int8u* covers,
145                               int8u cover)
146        {
147            m_pixf->blend_color_hspan(y, x, len, colors, covers, cover);
148        }
149
150    private:
151        pixfmt_type* m_pixf;
152    };
153}
154
155#endif
156
157
158