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Side by Side Diff: core/src/fxge/agg/agg23/agg_pixfmt_gray.h

Issue 1088733002: Kill CFX_Object. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase. Created 5 years, 8 months ago
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1 1
2 //---------------------------------------------------------------------------- 2 //----------------------------------------------------------------------------
3 // Anti-Grain Geometry - Version 2.3 3 // Anti-Grain Geometry - Version 2.3
4 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) 4 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
5 // 5 //
6 // Permission to copy, use, modify, sell and distribute this software 6 // Permission to copy, use, modify, sell and distribute this software
7 // is granted provided this copyright notice appears in all copies. 7 // is granted provided this copyright notice appears in all copies.
8 // This software is provided "as is" without express or implied 8 // This software is provided "as is" without express or implied
9 // warranty, and with no claim as to its suitability for any purpose. 9 // warranty, and with no claim as to its suitability for any purpose.
10 // 10 //
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21 // PostScript and PDF technology for software developers. 21 // PostScript and PDF technology for software developers.
22 // 22 //
23 //---------------------------------------------------------------------------- 23 //----------------------------------------------------------------------------
24 #ifndef AGG_PIXFMT_GRAY_INCLUDED 24 #ifndef AGG_PIXFMT_GRAY_INCLUDED
25 #define AGG_PIXFMT_GRAY_INCLUDED 25 #define AGG_PIXFMT_GRAY_INCLUDED
26 #include "agg_basics.h" 26 #include "agg_basics.h"
27 #include "agg_color_gray.h" 27 #include "agg_color_gray.h"
28 #include "agg_rendering_buffer.h" 28 #include "agg_rendering_buffer.h"
29 namespace agg 29 namespace agg
30 { 30 {
31 template<class ColorT> struct blender_gray : public CFX_Object { 31 template<class ColorT> struct blender_gray {
32 typedef ColorT color_type; 32 typedef ColorT color_type;
33 typedef typename color_type::value_type value_type; 33 typedef typename color_type::value_type value_type;
34 typedef typename color_type::calc_type calc_type; 34 typedef typename color_type::calc_type calc_type;
35 enum base_scale_e { base_shift = color_type::base_shift }; 35 enum base_scale_e { base_shift = color_type::base_shift };
36 static AGG_INLINE void blend_pix(value_type* p, unsigned cv, 36 static AGG_INLINE void blend_pix(value_type* p, unsigned cv,
37 unsigned alpha, unsigned cover = 0) 37 unsigned alpha, unsigned cover = 0)
38 { 38 {
39 *p = (value_type)((((cv - calc_type(*p)) * alpha) + (calc_type(*p) << ba se_shift)) >> base_shift); 39 *p = (value_type)((((cv - calc_type(*p)) * alpha) + (calc_type(*p) << ba se_shift)) >> base_shift);
40 } 40 }
41 }; 41 };
42 template<class Blender, unsigned Step = 1, unsigned Offset = 0> 42 template<class Blender, unsigned Step = 1, unsigned Offset = 0>
43 class pixel_formats_gray : public CFX_Object 43 class pixel_formats_gray
44 { 44 {
45 public: 45 public:
46 typedef rendering_buffer::row_data row_data; 46 typedef rendering_buffer::row_data row_data;
47 typedef rendering_buffer::span_data span_data; 47 typedef rendering_buffer::span_data span_data;
48 typedef typename Blender::color_type color_type; 48 typedef typename Blender::color_type color_type;
49 typedef typename color_type::value_type value_type; 49 typedef typename color_type::value_type value_type;
50 typedef typename color_type::calc_type calc_type; 50 typedef typename color_type::calc_type calc_type;
51 enum base_scale_e { 51 enum base_scale_e {
52 base_shift = color_type::base_shift, 52 base_shift = color_type::base_shift,
53 base_size = color_type::base_size, 53 base_size = color_type::base_size,
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168 } while(--len); 168 } while(--len);
169 } 169 }
170 } 170 }
171 private: 171 private:
172 rendering_buffer* m_rbuf; 172 rendering_buffer* m_rbuf;
173 }; 173 };
174 typedef blender_gray<gray8> blender_gray8; 174 typedef blender_gray<gray8> blender_gray8;
175 typedef pixel_formats_gray<blender_gray8, 1, 0> pixfmt_gray8; 175 typedef pixel_formats_gray<blender_gray8, 1, 0> pixfmt_gray8;
176 } 176 }
177 #endif 177 #endif
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