e39da397f5
* 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
1251 lines
46 KiB
C++
1251 lines
46 KiB
C++
//----------------------------------------------------------------------------
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// Anti-Grain Geometry - Version 2.4
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// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
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//
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// Permission to copy, use, modify, sell and distribute this software
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// is granted provided this copyright notice appears in all copies.
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// This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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//----------------------------------------------------------------------------
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// Contact: mcseem@antigrain.com
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// mcseemagg@yahoo.com
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// http://www.antigrain.com
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//----------------------------------------------------------------------------
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//
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// Adaptation for high precision colors has been sponsored by
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// Liberty Technology Systems, Inc., visit http://lib-sys.com
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//
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// Liberty Technology Systems, Inc. is the provider of
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// PostScript and PDF technology for software developers.
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//
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//----------------------------------------------------------------------------
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#ifndef AGG_PIXFMT_RGB_PACKED_INCLUDED
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#define AGG_PIXFMT_RGB_PACKED_INCLUDED
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#include <string.h>
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#include "agg_basics.h"
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#include "agg_color_rgba.h"
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#include "agg_rendering_buffer.h"
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namespace agg
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{
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//=========================================================blender_rgb555
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struct blender_rgb555
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{
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = (rgb >> 7) & 0xF8;
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calc_type g = (rgb >> 2) & 0xF8;
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calc_type b = (rgb << 3) & 0xF8;
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*p = (pixel_type)
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(((((cr - r) * alpha + (r << 8)) >> 1) & 0x7C00) |
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((((cg - g) * alpha + (g << 8)) >> 6) & 0x03E0) |
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(((cb - b) * alpha + (b << 8)) >> 11) | 0x8000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 7) |
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((g & 0xF8) << 2) |
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(b >> 3) | 0x8000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 7) & 0xF8,
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(p >> 2) & 0xF8,
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(p << 3) & 0xF8);
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}
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};
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//=====================================================blender_rgb555_pre
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struct blender_rgb555_pre
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{
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned cover)
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{
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alpha = color_type::base_mask - alpha;
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pixel_type rgb = *p;
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calc_type r = (rgb >> 7) & 0xF8;
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calc_type g = (rgb >> 2) & 0xF8;
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calc_type b = (rgb << 3) & 0xF8;
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*p = (pixel_type)
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((((r * alpha + cr * cover) >> 1) & 0x7C00) |
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(((g * alpha + cg * cover) >> 6) & 0x03E0) |
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((b * alpha + cb * cover) >> 11) | 0x8000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 7) |
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((g & 0xF8) << 2) |
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(b >> 3) | 0x8000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 7) & 0xF8,
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(p >> 2) & 0xF8,
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(p << 3) & 0xF8);
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}
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};
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//=====================================================blender_rgb555_gamma
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template<class Gamma> class blender_rgb555_gamma
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{
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public:
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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typedef Gamma gamma_type;
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blender_rgb555_gamma() : m_gamma(0) {}
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void gamma(const gamma_type& g) { m_gamma = &g; }
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AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = m_gamma->dir((rgb >> 7) & 0xF8);
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calc_type g = m_gamma->dir((rgb >> 2) & 0xF8);
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calc_type b = m_gamma->dir((rgb << 3) & 0xF8);
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*p = (pixel_type)
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(((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 8)) >> 8) << 7) & 0x7C00) |
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((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 8)) >> 8) << 2) & 0x03E0) |
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(m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 8)) >> 8) >> 3) | 0x8000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 7) |
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((g & 0xF8) << 2) |
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(b >> 3) | 0x8000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 7) & 0xF8,
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(p >> 2) & 0xF8,
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(p << 3) & 0xF8);
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}
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private:
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const Gamma* m_gamma;
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};
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//=========================================================blender_rgb565
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struct blender_rgb565
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{
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = (rgb >> 8) & 0xF8;
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calc_type g = (rgb >> 3) & 0xFC;
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calc_type b = (rgb << 3) & 0xF8;
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*p = (pixel_type)
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(((((cr - r) * alpha + (r << 8)) ) & 0xF800) |
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((((cg - g) * alpha + (g << 8)) >> 5) & 0x07E0) |
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(((cb - b) * alpha + (b << 8)) >> 11));
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3));
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 8) & 0xF8,
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(p >> 3) & 0xFC,
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(p << 3) & 0xF8);
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}
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};
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//=====================================================blender_rgb565_pre
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struct blender_rgb565_pre
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{
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned cover)
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{
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alpha = color_type::base_mask - alpha;
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pixel_type rgb = *p;
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calc_type r = (rgb >> 8) & 0xF8;
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calc_type g = (rgb >> 3) & 0xFC;
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calc_type b = (rgb << 3) & 0xF8;
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*p = (pixel_type)
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((((r * alpha + cr * cover) ) & 0xF800) |
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(((g * alpha + cg * cover) >> 5 ) & 0x07E0) |
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((b * alpha + cb * cover) >> 11));
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3));
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 8) & 0xF8,
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(p >> 3) & 0xFC,
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(p << 3) & 0xF8);
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}
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};
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//=====================================================blender_rgb565_gamma
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template<class Gamma> class blender_rgb565_gamma
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{
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public:
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typedef rgba8 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int16u pixel_type;
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typedef Gamma gamma_type;
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blender_rgb565_gamma() : m_gamma(0) {}
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void gamma(const gamma_type& g) { m_gamma = &g; }
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AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = m_gamma->dir((rgb >> 8) & 0xF8);
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calc_type g = m_gamma->dir((rgb >> 3) & 0xFC);
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calc_type b = m_gamma->dir((rgb << 3) & 0xF8);
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*p = (pixel_type)
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(((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 8)) >> 8) << 8) & 0xF800) |
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((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 8)) >> 8) << 3) & 0x07E0) |
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(m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 8)) >> 8) >> 3));
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3));
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 8) & 0xF8,
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(p >> 3) & 0xFC,
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(p << 3) & 0xF8);
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}
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private:
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const Gamma* m_gamma;
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};
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//=====================================================blender_rgbAAA
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struct blender_rgbAAA
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{
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typedef rgba16 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int32u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = (rgb >> 14) & 0xFFC0;
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calc_type g = (rgb >> 4) & 0xFFC0;
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calc_type b = (rgb << 6) & 0xFFC0;
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*p = (pixel_type)
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(((((cr - r) * alpha + (r << 16)) >> 2) & 0x3FF00000) |
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((((cg - g) * alpha + (g << 16)) >> 12) & 0x000FFC00) |
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(((cb - b) * alpha + (b << 16)) >> 22) | 0xC0000000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xFFC0) << 14) |
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((g & 0xFFC0) << 4) |
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(b >> 6) | 0xC0000000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 14) & 0xFFC0,
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(p >> 4) & 0xFFC0,
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(p << 6) & 0xFFC0);
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}
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};
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//==================================================blender_rgbAAA_pre
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struct blender_rgbAAA_pre
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{
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typedef rgba16 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int32u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned cover)
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{
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alpha = color_type::base_mask - alpha;
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cover = (cover + 1) << (color_type::base_shift - 8);
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pixel_type rgb = *p;
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calc_type r = (rgb >> 14) & 0xFFC0;
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calc_type g = (rgb >> 4) & 0xFFC0;
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calc_type b = (rgb << 6) & 0xFFC0;
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*p = (pixel_type)
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((((r * alpha + cr * cover) >> 2) & 0x3FF00000) |
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(((g * alpha + cg * cover) >> 12) & 0x000FFC00) |
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((b * alpha + cb * cover) >> 22) | 0xC0000000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xFFC0) << 14) |
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((g & 0xFFC0) << 4) |
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(b >> 6) | 0xC0000000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 14) & 0xFFC0,
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(p >> 4) & 0xFFC0,
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(p << 6) & 0xFFC0);
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}
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};
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//=================================================blender_rgbAAA_gamma
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template<class Gamma> class blender_rgbAAA_gamma
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{
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public:
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typedef rgba16 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int32u pixel_type;
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typedef Gamma gamma_type;
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blender_rgbAAA_gamma() : m_gamma(0) {}
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void gamma(const gamma_type& g) { m_gamma = &g; }
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AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type rgb = *p;
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calc_type r = m_gamma->dir((rgb >> 14) & 0xFFC0);
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calc_type g = m_gamma->dir((rgb >> 4) & 0xFFC0);
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calc_type b = m_gamma->dir((rgb << 6) & 0xFFC0);
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*p = (pixel_type)
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(((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 16)) >> 16) << 14) & 0x3FF00000) |
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((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 16)) >> 16) << 4 ) & 0x000FFC00) |
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(m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 16)) >> 16) >> 6 ) | 0xC0000000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((r & 0xFFC0) << 14) |
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((g & 0xFFC0) << 4) |
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(b >> 6) | 0xC0000000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p >> 14) & 0xFFC0,
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(p >> 4) & 0xFFC0,
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(p << 6) & 0xFFC0);
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}
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private:
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const Gamma* m_gamma;
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};
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//=====================================================blender_bgrAAA
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struct blender_bgrAAA
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{
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typedef rgba16 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int32u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned)
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{
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pixel_type bgr = *p;
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calc_type b = (bgr >> 14) & 0xFFC0;
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calc_type g = (bgr >> 4) & 0xFFC0;
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calc_type r = (bgr << 6) & 0xFFC0;
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*p = (pixel_type)
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(((((cb - b) * alpha + (b << 16)) >> 2) & 0x3FF00000) |
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((((cg - g) * alpha + (g << 16)) >> 12) & 0x000FFC00) |
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(((cr - r) * alpha + (r << 16)) >> 22) | 0xC0000000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((b & 0xFFC0) << 14) |
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((g & 0xFFC0) << 4) |
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(r >> 6) | 0xC0000000);
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}
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static AGG_INLINE color_type make_color(pixel_type p)
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{
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return color_type((p << 6) & 0xFFC0,
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(p >> 4) & 0xFFC0,
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(p >> 14) & 0xFFC0);
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}
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};
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|
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//=================================================blender_bgrAAA_pre
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struct blender_bgrAAA_pre
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{
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typedef rgba16 color_type;
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typedef color_type::value_type value_type;
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typedef color_type::calc_type calc_type;
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typedef int32u pixel_type;
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static AGG_INLINE void blend_pix(pixel_type* p,
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unsigned cr, unsigned cg, unsigned cb,
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unsigned alpha,
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unsigned cover)
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{
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alpha = color_type::base_mask - alpha;
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cover = (cover + 1) << (color_type::base_shift - 8);
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pixel_type bgr = *p;
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calc_type b = (bgr >> 14) & 0xFFC0;
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calc_type g = (bgr >> 4) & 0xFFC0;
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calc_type r = (bgr << 6) & 0xFFC0;
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*p = (pixel_type)
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((((b * alpha + cb * cover) >> 2) & 0x3FF00000) |
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(((g * alpha + cg * cover) >> 12) & 0x000FFC00) |
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((r * alpha + cr * cover) >> 22) | 0xC0000000);
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}
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static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
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{
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return (pixel_type)(((b & 0xFFC0) << 14) |
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((g & 0xFFC0) << 4) |
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(r >> 6) | 0xC0000000);
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}
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|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p << 6) & 0xFFC0,
|
|
(p >> 4) & 0xFFC0,
|
|
(p >> 14) & 0xFFC0);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
//=================================================blender_bgrAAA_gamma
|
|
template<class Gamma> class blender_bgrAAA_gamma
|
|
{
|
|
public:
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
typedef Gamma gamma_type;
|
|
|
|
blender_bgrAAA_gamma() : m_gamma(0) {}
|
|
void gamma(const gamma_type& g) { m_gamma = &g; }
|
|
|
|
AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned)
|
|
{
|
|
pixel_type bgr = *p;
|
|
calc_type b = m_gamma->dir((bgr >> 14) & 0xFFC0);
|
|
calc_type g = m_gamma->dir((bgr >> 4) & 0xFFC0);
|
|
calc_type r = m_gamma->dir((bgr << 6) & 0xFFC0);
|
|
*p = (pixel_type)
|
|
(((m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 16)) >> 16) << 14) & 0x3FF00000) |
|
|
((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 16)) >> 16) << 4 ) & 0x000FFC00) |
|
|
(m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 16)) >> 16) >> 6 ) | 0xC0000000);
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((b & 0xFFC0) << 14) |
|
|
((g & 0xFFC0) << 4) |
|
|
(r >> 6) | 0xC0000000);
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p << 6) & 0xFFC0,
|
|
(p >> 4) & 0xFFC0,
|
|
(p >> 14) & 0xFFC0);
|
|
}
|
|
|
|
private:
|
|
const Gamma* m_gamma;
|
|
};
|
|
|
|
|
|
|
|
//=====================================================blender_rgbBBA
|
|
struct blender_rgbBBA
|
|
{
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
|
|
static AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned)
|
|
{
|
|
pixel_type rgb = *p;
|
|
calc_type r = (rgb >> 16) & 0xFFE0;
|
|
calc_type g = (rgb >> 5) & 0xFFE0;
|
|
calc_type b = (rgb << 6) & 0xFFC0;
|
|
*p = (pixel_type)
|
|
(((((cr - r) * alpha + (r << 16)) ) & 0xFFE00000) |
|
|
((((cg - g) * alpha + (g << 16)) >> 11) & 0x001FFC00) |
|
|
(((cb - b) * alpha + (b << 16)) >> 22));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((r & 0xFFE0) << 16) | ((g & 0xFFE0) << 5) | (b >> 6));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p >> 16) & 0xFFE0,
|
|
(p >> 5) & 0xFFE0,
|
|
(p << 6) & 0xFFC0);
|
|
}
|
|
};
|
|
|
|
|
|
//=================================================blender_rgbBBA_pre
|
|
struct blender_rgbBBA_pre
|
|
{
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
|
|
static AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned cover)
|
|
{
|
|
alpha = color_type::base_mask - alpha;
|
|
cover = (cover + 1) << (color_type::base_shift - 8);
|
|
pixel_type rgb = *p;
|
|
calc_type r = (rgb >> 16) & 0xFFE0;
|
|
calc_type g = (rgb >> 5) & 0xFFE0;
|
|
calc_type b = (rgb << 6) & 0xFFC0;
|
|
*p = (pixel_type)
|
|
((((r * alpha + cr * cover) ) & 0xFFE00000) |
|
|
(((g * alpha + cg * cover) >> 11) & 0x001FFC00) |
|
|
((b * alpha + cb * cover) >> 22));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((r & 0xFFE0) << 16) | ((g & 0xFFE0) << 5) | (b >> 6));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p >> 16) & 0xFFE0,
|
|
(p >> 5) & 0xFFE0,
|
|
(p << 6) & 0xFFC0);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
//=================================================blender_rgbBBA_gamma
|
|
template<class Gamma> class blender_rgbBBA_gamma
|
|
{
|
|
public:
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
typedef Gamma gamma_type;
|
|
|
|
blender_rgbBBA_gamma() : m_gamma(0) {}
|
|
void gamma(const gamma_type& g) { m_gamma = &g; }
|
|
|
|
AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned)
|
|
{
|
|
pixel_type rgb = *p;
|
|
calc_type r = m_gamma->dir((rgb >> 16) & 0xFFE0);
|
|
calc_type g = m_gamma->dir((rgb >> 5) & 0xFFE0);
|
|
calc_type b = m_gamma->dir((rgb << 6) & 0xFFC0);
|
|
*p = (pixel_type)
|
|
(((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 16)) >> 16) << 16) & 0xFFE00000) |
|
|
((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 16)) >> 16) << 5 ) & 0x001FFC00) |
|
|
(m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 16)) >> 16) >> 6 ));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((r & 0xFFE0) << 16) | ((g & 0xFFE0) << 5) | (b >> 6));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p >> 16) & 0xFFE0,
|
|
(p >> 5) & 0xFFE0,
|
|
(p << 6) & 0xFFC0);
|
|
}
|
|
|
|
private:
|
|
const Gamma* m_gamma;
|
|
};
|
|
|
|
|
|
//=====================================================blender_bgrABB
|
|
struct blender_bgrABB
|
|
{
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
|
|
static AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned)
|
|
{
|
|
pixel_type bgr = *p;
|
|
calc_type b = (bgr >> 16) & 0xFFC0;
|
|
calc_type g = (bgr >> 6) & 0xFFE0;
|
|
calc_type r = (bgr << 5) & 0xFFE0;
|
|
*p = (pixel_type)
|
|
(((((cb - b) * alpha + (b << 16)) ) & 0xFFC00000) |
|
|
((((cg - g) * alpha + (g << 16)) >> 10) & 0x003FF800) |
|
|
(((cr - r) * alpha + (r << 16)) >> 21));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((b & 0xFFC0) << 16) | ((g & 0xFFE0) << 6) | (r >> 5));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p << 5) & 0xFFE0,
|
|
(p >> 6) & 0xFFE0,
|
|
(p >> 16) & 0xFFC0);
|
|
}
|
|
};
|
|
|
|
|
|
//=================================================blender_bgrABB_pre
|
|
struct blender_bgrABB_pre
|
|
{
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
|
|
static AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned cover)
|
|
{
|
|
alpha = color_type::base_mask - alpha;
|
|
cover = (cover + 1) << (color_type::base_shift - 8);
|
|
pixel_type bgr = *p;
|
|
calc_type b = (bgr >> 16) & 0xFFC0;
|
|
calc_type g = (bgr >> 6) & 0xFFE0;
|
|
calc_type r = (bgr << 5) & 0xFFE0;
|
|
*p = (pixel_type)
|
|
((((b * alpha + cb * cover) ) & 0xFFC00000) |
|
|
(((g * alpha + cg * cover) >> 10) & 0x003FF800) |
|
|
((r * alpha + cr * cover) >> 21));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((b & 0xFFC0) << 16) | ((g & 0xFFE0) << 6) | (r >> 5));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p << 5) & 0xFFE0,
|
|
(p >> 6) & 0xFFE0,
|
|
(p >> 16) & 0xFFC0);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
//=================================================blender_bgrABB_gamma
|
|
template<class Gamma> class blender_bgrABB_gamma
|
|
{
|
|
public:
|
|
typedef rgba16 color_type;
|
|
typedef color_type::value_type value_type;
|
|
typedef color_type::calc_type calc_type;
|
|
typedef int32u pixel_type;
|
|
typedef Gamma gamma_type;
|
|
|
|
blender_bgrABB_gamma() : m_gamma(0) {}
|
|
void gamma(const gamma_type& g) { m_gamma = &g; }
|
|
|
|
AGG_INLINE void blend_pix(pixel_type* p,
|
|
unsigned cr, unsigned cg, unsigned cb,
|
|
unsigned alpha,
|
|
unsigned)
|
|
{
|
|
pixel_type bgr = *p;
|
|
calc_type b = m_gamma->dir((bgr >> 16) & 0xFFC0);
|
|
calc_type g = m_gamma->dir((bgr >> 6) & 0xFFE0);
|
|
calc_type r = m_gamma->dir((bgr << 5) & 0xFFE0);
|
|
*p = (pixel_type)
|
|
(((m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 16)) >> 16) << 16) & 0xFFC00000) |
|
|
((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 16)) >> 16) << 6 ) & 0x003FF800) |
|
|
(m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 16)) >> 16) >> 5 ));
|
|
}
|
|
|
|
static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b)
|
|
{
|
|
return (pixel_type)(((b & 0xFFC0) << 16) | ((g & 0xFFE0) << 6) | (r >> 5));
|
|
}
|
|
|
|
static AGG_INLINE color_type make_color(pixel_type p)
|
|
{
|
|
return color_type((p << 5) & 0xFFE0,
|
|
(p >> 6) & 0xFFE0,
|
|
(p >> 16) & 0xFFC0);
|
|
}
|
|
|
|
private:
|
|
const Gamma* m_gamma;
|
|
};
|
|
|
|
|
|
|
|
//===========================================pixfmt_alpha_blend_rgb_packed
|
|
template<class Blender, class RenBuf> class pixfmt_alpha_blend_rgb_packed
|
|
{
|
|
public:
|
|
typedef RenBuf rbuf_type;
|
|
typedef typename rbuf_type::row_data row_data;
|
|
typedef Blender blender_type;
|
|
typedef typename blender_type::color_type color_type;
|
|
typedef typename blender_type::pixel_type pixel_type;
|
|
typedef int order_type; // A fake one
|
|
typedef typename color_type::value_type value_type;
|
|
typedef typename color_type::calc_type calc_type;
|
|
enum base_scale_e
|
|
{
|
|
base_shift = color_type::base_shift,
|
|
base_scale = color_type::base_scale,
|
|
base_mask = color_type::base_mask,
|
|
pix_width = sizeof(pixel_type)
|
|
};
|
|
|
|
private:
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void copy_or_blend_pix(pixel_type* p, const color_type& c, unsigned cover)
|
|
{
|
|
if (c.a)
|
|
{
|
|
calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8;
|
|
if(alpha == base_mask)
|
|
{
|
|
*p = m_blender.make_pix(c.r, c.g, c.b);
|
|
}
|
|
else
|
|
{
|
|
m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover);
|
|
}
|
|
}
|
|
}
|
|
|
|
public:
|
|
//--------------------------------------------------------------------
|
|
pixfmt_alpha_blend_rgb_packed(rbuf_type& rb) : m_rbuf(&rb) {}
|
|
void attach(rbuf_type& rb) { m_rbuf = &rb; }
|
|
|
|
//--------------------------------------------------------------------
|
|
template<class PixFmt>
|
|
bool attach(PixFmt& pixf, int x1, int y1, int x2, int y2)
|
|
{
|
|
rect_i r(x1, y1, x2, y2);
|
|
if(r.clip(rect_i(0, 0, pixf.width()-1, pixf.height()-1)))
|
|
{
|
|
int stride = pixf.stride();
|
|
m_rbuf->attach(pixf.pix_ptr(r.x1, stride < 0 ? r.y2 : r.y1),
|
|
(r.x2 - r.x1) + 1,
|
|
(r.y2 - r.y1) + 1,
|
|
stride);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Blender& blender() { return m_blender; }
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE unsigned width() const { return m_rbuf->width(); }
|
|
AGG_INLINE unsigned height() const { return m_rbuf->height(); }
|
|
AGG_INLINE int stride() const { return m_rbuf->stride(); }
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE int8u* row_ptr(int y) { return m_rbuf->row_ptr(y); }
|
|
AGG_INLINE const int8u* row_ptr(int y) const { return m_rbuf->row_ptr(y); }
|
|
AGG_INLINE row_data row(int y) const { return m_rbuf->row(y); }
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE int8u* pix_ptr(int x, int y)
|
|
{
|
|
return m_rbuf->row_ptr(y) + x * pix_width;
|
|
}
|
|
|
|
AGG_INLINE const int8u* pix_ptr(int x, int y) const
|
|
{
|
|
return m_rbuf->row_ptr(y) + x * pix_width;
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void make_pix(int8u* p, const color_type& c)
|
|
{
|
|
*(pixel_type*)p = m_blender.make_pix(c.r, c.g, c.b);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE color_type pixel(int x, int y) const
|
|
{
|
|
return m_blender.make_color(((pixel_type*)m_rbuf->row_ptr(y))[x]);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void copy_pixel(int x, int y, const color_type& c)
|
|
{
|
|
((pixel_type*)
|
|
m_rbuf->row_ptr(x, y, 1))[x] =
|
|
m_blender.make_pix(c.r, c.g, c.b);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void blend_pixel(int x, int y, const color_type& c, int8u cover)
|
|
{
|
|
copy_or_blend_pix((pixel_type*)m_rbuf->row_ptr(x, y, 1) + x, c, cover);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void copy_hline(int x, int y,
|
|
unsigned len,
|
|
const color_type& c)
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y, len) + x;
|
|
pixel_type v = m_blender.make_pix(c.r, c.g, c.b);
|
|
do
|
|
{
|
|
*p++ = v;
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
AGG_INLINE void copy_vline(int x, int y,
|
|
unsigned len,
|
|
const color_type& c)
|
|
{
|
|
pixel_type v = m_blender.make_pix(c.r, c.g, c.b);
|
|
do
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y++, 1) + x;
|
|
*p = v;
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_hline(int x, int y,
|
|
unsigned len,
|
|
const color_type& c,
|
|
int8u cover)
|
|
{
|
|
if (c.a)
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y, len) + x;
|
|
calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8;
|
|
if(alpha == base_mask)
|
|
{
|
|
pixel_type v = m_blender.make_pix(c.r, c.g, c.b);
|
|
do
|
|
{
|
|
*p++ = v;
|
|
}
|
|
while(--len);
|
|
}
|
|
else
|
|
{
|
|
do
|
|
{
|
|
m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover);
|
|
++p;
|
|
}
|
|
while(--len);
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_vline(int x, int y,
|
|
unsigned len,
|
|
const color_type& c,
|
|
int8u cover)
|
|
{
|
|
if (c.a)
|
|
{
|
|
calc_type alpha = (calc_type(c.a) * (cover + 1)) >> 8;
|
|
if(alpha == base_mask)
|
|
{
|
|
pixel_type v = m_blender.make_pix(c.r, c.g, c.b);
|
|
do
|
|
{
|
|
((pixel_type*)m_rbuf->row_ptr(x, y++, 1))[x] = v;
|
|
}
|
|
while(--len);
|
|
}
|
|
else
|
|
{
|
|
do
|
|
{
|
|
m_blender.blend_pix(
|
|
(pixel_type*)m_rbuf->row_ptr(x, y++, 1),
|
|
c.r, c.g, c.b, alpha, cover);
|
|
}
|
|
while(--len);
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_solid_hspan(int x, int y,
|
|
unsigned len,
|
|
const color_type& c,
|
|
const int8u* covers)
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y, len) + x;
|
|
do
|
|
{
|
|
copy_or_blend_pix(p, c, *covers++);
|
|
++p;
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_solid_vspan(int x, int y,
|
|
unsigned len,
|
|
const color_type& c,
|
|
const int8u* covers)
|
|
{
|
|
do
|
|
{
|
|
copy_or_blend_pix((pixel_type*)m_rbuf->row_ptr(x, y++, 1) + x,
|
|
c, *covers++);
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void copy_color_hspan(int x, int y,
|
|
unsigned len,
|
|
const color_type* colors)
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y, len) + x;
|
|
do
|
|
{
|
|
*p++ = m_blender.make_pix(colors->r, colors->g, colors->b);
|
|
++colors;
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void copy_color_vspan(int x, int y,
|
|
unsigned len,
|
|
const color_type* colors)
|
|
{
|
|
do
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y++, 1) + x;
|
|
*p = m_blender.make_pix(colors->r, colors->g, colors->b);
|
|
++colors;
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_color_hspan(int x, int y,
|
|
unsigned len,
|
|
const color_type* colors,
|
|
const int8u* covers,
|
|
int8u cover)
|
|
{
|
|
pixel_type* p = (pixel_type*)m_rbuf->row_ptr(x, y, len) + x;
|
|
do
|
|
{
|
|
copy_or_blend_pix(p++, *colors++, covers ? *covers++ : cover);
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
void blend_color_vspan(int x, int y,
|
|
unsigned len,
|
|
const color_type* colors,
|
|
const int8u* covers,
|
|
int8u cover)
|
|
{
|
|
do
|
|
{
|
|
copy_or_blend_pix((pixel_type*)m_rbuf->row_ptr(x, y++, 1) + x,
|
|
*colors++, covers ? *covers++ : cover);
|
|
}
|
|
while(--len);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
template<class RenBuf2>
|
|
void copy_from(const RenBuf2& from,
|
|
int xdst, int ydst,
|
|
int xsrc, int ysrc,
|
|
unsigned len)
|
|
{
|
|
const int8u* p = from.row_ptr(ysrc);
|
|
if(p)
|
|
{
|
|
memmove(m_rbuf->row_ptr(xdst, ydst, len) + xdst * pix_width,
|
|
p + xsrc * pix_width,
|
|
len * pix_width);
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
template<class SrcPixelFormatRenderer>
|
|
void blend_from(const SrcPixelFormatRenderer& from,
|
|
int xdst, int ydst,
|
|
int xsrc, int ysrc,
|
|
unsigned len,
|
|
int8u cover)
|
|
{
|
|
typedef typename SrcPixelFormatRenderer::order_type src_order;
|
|
|
|
const value_type* psrc = (const value_type*)from.row_ptr(ysrc);
|
|
if(psrc)
|
|
{
|
|
psrc += xsrc * 4;
|
|
pixel_type* pdst =
|
|
(pixel_type*)m_rbuf->row_ptr(xdst, ydst, len) + xdst;
|
|
do
|
|
{
|
|
value_type alpha = psrc[src_order::A];
|
|
if(alpha)
|
|
{
|
|
if(alpha == base_mask && cover == 255)
|
|
{
|
|
*pdst = m_blender.make_pix(psrc[src_order::R],
|
|
psrc[src_order::G],
|
|
psrc[src_order::B]);
|
|
}
|
|
else
|
|
{
|
|
m_blender.blend_pix(pdst,
|
|
psrc[src_order::R],
|
|
psrc[src_order::G],
|
|
psrc[src_order::B],
|
|
alpha,
|
|
cover);
|
|
}
|
|
}
|
|
psrc += 4;
|
|
++pdst;
|
|
}
|
|
while(--len);
|
|
}
|
|
}
|
|
|
|
private:
|
|
rbuf_type* m_rbuf;
|
|
Blender m_blender;
|
|
};
|
|
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgb555, rendering_buffer> pixfmt_rgb555; //----pixfmt_rgb555
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgb565, rendering_buffer> pixfmt_rgb565; //----pixfmt_rgb565
|
|
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgb555_pre, rendering_buffer> pixfmt_rgb555_pre; //----pixfmt_rgb555_pre
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgb565_pre, rendering_buffer> pixfmt_rgb565_pre; //----pixfmt_rgb565_pre
|
|
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgbAAA, rendering_buffer> pixfmt_rgbAAA; //----pixfmt_rgbAAA
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_bgrAAA, rendering_buffer> pixfmt_bgrAAA; //----pixfmt_bgrAAA
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgbBBA, rendering_buffer> pixfmt_rgbBBA; //----pixfmt_rgbBBA
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_bgrABB, rendering_buffer> pixfmt_bgrABB; //----pixfmt_bgrABB
|
|
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgbAAA_pre, rendering_buffer> pixfmt_rgbAAA_pre; //----pixfmt_rgbAAA_pre
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_bgrAAA_pre, rendering_buffer> pixfmt_bgrAAA_pre; //----pixfmt_bgrAAA_pre
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_rgbBBA_pre, rendering_buffer> pixfmt_rgbBBA_pre; //----pixfmt_rgbBBA_pre
|
|
typedef pixfmt_alpha_blend_rgb_packed<blender_bgrABB_pre, rendering_buffer> pixfmt_bgrABB_pre; //----pixfmt_bgrABB_pre
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_rgb555_gamma
|
|
template<class Gamma> class pixfmt_rgb555_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_rgb555_gamma<Gamma>,
|
|
rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_rgb555_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_rgb555_gamma<Gamma>,
|
|
rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_rgb565_gamma
|
|
template<class Gamma> class pixfmt_rgb565_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_rgb565_gamma<Gamma>, rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_rgb565_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_rgb565_gamma<Gamma>, rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_rgbAAA_gamma
|
|
template<class Gamma> class pixfmt_rgbAAA_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_rgbAAA_gamma<Gamma>,
|
|
rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_rgbAAA_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_rgbAAA_gamma<Gamma>,
|
|
rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_bgrAAA_gamma
|
|
template<class Gamma> class pixfmt_bgrAAA_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_bgrAAA_gamma<Gamma>,
|
|
rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_bgrAAA_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_bgrAAA_gamma<Gamma>,
|
|
rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_rgbBBA_gamma
|
|
template<class Gamma> class pixfmt_rgbBBA_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_rgbBBA_gamma<Gamma>,
|
|
rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_rgbBBA_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_rgbBBA_gamma<Gamma>,
|
|
rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------pixfmt_bgrABB_gamma
|
|
template<class Gamma> class pixfmt_bgrABB_gamma :
|
|
public pixfmt_alpha_blend_rgb_packed<blender_bgrABB_gamma<Gamma>,
|
|
rendering_buffer>
|
|
{
|
|
public:
|
|
pixfmt_bgrABB_gamma(rendering_buffer& rb, const Gamma& g) :
|
|
pixfmt_alpha_blend_rgb_packed<blender_bgrABB_gamma<Gamma>,
|
|
rendering_buffer>(rb)
|
|
{
|
|
this->blender().gamma(g);
|
|
}
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|
|
|