diff options
Diffstat (limited to 'agg/inc/agg_pixfmt_rgb_packed.h')
-rwxr-xr-x | agg/inc/agg_pixfmt_rgb_packed.h | 1277 |
1 files changed, 1277 insertions, 0 deletions
diff --git a/agg/inc/agg_pixfmt_rgb_packed.h b/agg/inc/agg_pixfmt_rgb_packed.h new file mode 100755 index 000000000000..4f582ed59847 --- /dev/null +++ b/agg/inc/agg_pixfmt_rgb_packed.h @@ -0,0 +1,1277 @@ +//---------------------------------------------------------------------------- +// Anti-Grain Geometry - Version 2.3 +// 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. +// This software is provided "as is" without express or implied +// warranty, and with no claim as to its suitability for any purpose. +// +//---------------------------------------------------------------------------- +// Contact: mcseem@antigrain.com +// mcseemagg@yahoo.com +// http://www.antigrain.com +//---------------------------------------------------------------------------- +// +// Adaptation for high precision colors has been sponsored by +// Liberty Technology Systems, Inc., visit http://lib-sys.com +// +// Liberty Technology Systems, Inc. is the provider of +// PostScript and PDF technology for software developers. +// +//---------------------------------------------------------------------------- + +#ifndef AGG_PIXFMT_RGB_PACKED_INCLUDED +#define AGG_PIXFMT_RGB_PACKED_INCLUDED + +#include <string.h> +#include "agg_basics.h" +#include "agg_color_rgba.h" +#include "agg_rendering_buffer.h" + +namespace agg +{ + //=========================================================blender_rgb555 + struct blender_rgb555 + { + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u 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 >> 7) & 0xF8; + calc_type g = (rgb >> 2) & 0xF8; + calc_type b = (rgb << 3) & 0xF8; + *p = (pixel_type) + (((((cr - r) * alpha + (r << 8)) >> 1) & 0x7C00) | + ((((cg - g) * alpha + (g << 8)) >> 6) & 0x03E0) | + (((cb - b) * alpha + (b << 8)) >> 11) | 0x8000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 7) | + ((g & 0xF8) << 2) | + (b >> 3) | 0x8000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 7) & 0xF8, + (p >> 2) & 0xF8, + (p << 3) & 0xF8); + } + }; + + + //=====================================================blender_rgb555_pre + struct blender_rgb555_pre + { + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u 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; + pixel_type rgb = *p; + calc_type r = (rgb >> 7) & 0xF8; + calc_type g = (rgb >> 2) & 0xF8; + calc_type b = (rgb << 3) & 0xF8; + *p = (pixel_type) + ((((r * alpha + cr * cover) >> 1) & 0x7C00) | + (((g * alpha + cg * cover) >> 6) & 0x03E0) | + ((b * alpha + cb * cover) >> 11) | 0x8000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 7) | + ((g & 0xF8) << 2) | + (b >> 3) | 0x8000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 7) & 0xF8, + (p >> 2) & 0xF8, + (p << 3) & 0xF8); + } + }; + + + + + //=====================================================blender_rgb555_gamma + template<class Gamma> class blender_rgb555_gamma + { + public: + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u pixel_type; + typedef Gamma gamma_type; + + blender_rgb555_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 >> 7) & 0xF8); + calc_type g = m_gamma->dir((rgb >> 2) & 0xF8); + calc_type b = m_gamma->dir((rgb << 3) & 0xF8); + *p = (pixel_type) + (((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 8)) >> 8) << 7) & 0x7C00) | + ((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 8)) >> 8) << 2) & 0x03E0) | + (m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 8)) >> 8) >> 3) | 0x8000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 7) | + ((g & 0xF8) << 2) | + (b >> 3) | 0x8000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 7) & 0xF8, + (p >> 2) & 0xF8, + (p << 3) & 0xF8); + } + + private: + const Gamma* m_gamma; + }; + + + + + + //=========================================================blender_rgb565 + struct blender_rgb565 + { + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u 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 >> 8) & 0xF8; + calc_type g = (rgb >> 3) & 0xFC; + calc_type b = (rgb << 3) & 0xF8; + *p = (pixel_type) + (((((cr - r) * alpha + (r << 8)) ) & 0xF800) | + ((((cg - g) * alpha + (g << 8)) >> 5) & 0x07E0) | + (((cb - b) * alpha + (b << 8)) >> 11)); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 8) & 0xF8, + (p >> 3) & 0xFC, + (p << 3) & 0xF8); + } + }; + + + + //=====================================================blender_rgb565_pre + struct blender_rgb565_pre + { + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u 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; + pixel_type rgb = *p; + calc_type r = (rgb >> 8) & 0xF8; + calc_type g = (rgb >> 3) & 0xFC; + calc_type b = (rgb << 3) & 0xF8; + *p = (pixel_type) + ((((r * alpha + cr * cover) ) & 0xF800) | + (((g * alpha + cg * cover) >> 5 ) & 0x07E0) | + ((b * alpha + cb * cover) >> 11)); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 8) & 0xF8, + (p >> 3) & 0xFC, + (p << 3) & 0xF8); + } + }; + + + + //=====================================================blender_rgb565_gamma + template<class Gamma> class blender_rgb565_gamma + { + public: + typedef rgba8 color_type; + typedef color_type::value_type value_type; + typedef color_type::calc_type calc_type; + typedef int16u pixel_type; + typedef Gamma gamma_type; + + blender_rgb565_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 >> 8) & 0xF8); + calc_type g = m_gamma->dir((rgb >> 3) & 0xFC); + calc_type b = m_gamma->dir((rgb << 3) & 0xF8); + *p = (pixel_type) + (((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 8)) >> 8) << 8) & 0xF800) | + ((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 8)) >> 8) << 3) & 0x07E0) | + (m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 8)) >> 8) >> 3)); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 8) & 0xF8, + (p >> 3) & 0xFC, + (p << 3) & 0xF8); + } + + private: + const Gamma* m_gamma; + }; + + + + //=====================================================blender_rgbAAA + struct blender_rgbAAA + { + 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 >> 14) & 0xFFC0; + calc_type g = (rgb >> 4) & 0xFFC0; + calc_type b = (rgb << 6) & 0xFFC0; + *p = (pixel_type) + (((((cr - r) * alpha + (r << 16)) >> 2) & 0x3FF00000) | + ((((cg - g) * alpha + (g << 16)) >> 12) & 0x000FFC00) | + (((cb - b) * alpha + (b << 16)) >> 22) | 0xC0000000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xFFC0) << 14) | + ((g & 0xFFC0) << 4) | + (b >> 6) | 0xC0000000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 14) & 0xFFC0, + (p >> 4) & 0xFFC0, + (p << 6) & 0xFFC0); + } + }; + + + + //==================================================blender_rgbAAA_pre + struct blender_rgbAAA_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 >> 14) & 0xFFC0; + calc_type g = (rgb >> 4) & 0xFFC0; + calc_type b = (rgb << 6) & 0xFFC0; + *p = (pixel_type) + ((((r * alpha + cr * cover) >> 2) & 0x3FF00000) | + (((g * alpha + cg * cover) >> 12) & 0x000FFC00) | + ((b * alpha + cb * cover) >> 22) | 0xC0000000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xFFC0) << 14) | + ((g & 0xFFC0) << 4) | + (b >> 6) | 0xC0000000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 14) & 0xFFC0, + (p >> 4) & 0xFFC0, + (p << 6) & 0xFFC0); + } + }; + + + + //=================================================blender_rgbAAA_gamma + template<class Gamma> class blender_rgbAAA_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_rgbAAA_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 >> 14) & 0xFFC0); + calc_type g = m_gamma->dir((rgb >> 4) & 0xFFC0); + calc_type b = m_gamma->dir((rgb << 6) & 0xFFC0); + *p = (pixel_type) + (((m_gamma->inv(((m_gamma->dir(cr) - r) * alpha + (r << 16)) >> 16) << 14) & 0x3FF00000) | + ((m_gamma->inv(((m_gamma->dir(cg) - g) * alpha + (g << 16)) >> 16) << 4 ) & 0x000FFC00) | + (m_gamma->inv(((m_gamma->dir(cb) - b) * alpha + (b << 16)) >> 16) >> 6 ) | 0xC0000000); + } + + static AGG_INLINE pixel_type make_pix(unsigned r, unsigned g, unsigned b) + { + return (pixel_type)(((r & 0xFFC0) << 14) | + ((g & 0xFFC0) << 4) | + (b >> 6) | 0xC0000000); + } + + static AGG_INLINE color_type make_color(pixel_type p) + { + return color_type((p >> 14) & 0xFFC0, + (p >> 4) & 0xFFC0, + (p << 6) & 0xFFC0); + } + private: + const Gamma* m_gamma; + }; + + + //=====================================================blender_bgrAAA + struct blender_bgrAAA + { + 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 >> 14) & 0xFFC0; + calc_type g = (bgr >> 4) & 0xFFC0; + calc_type r = (bgr << 6) & 0xFFC0; + *p = (pixel_type) + (((((cb - b) * alpha + (b << 16)) >> 2) & 0x3FF00000) | + ((((cg - g) * alpha + (g << 16)) >> 12) & 0x000FFC00) | + (((cr - r) * alpha + (r << 16)) >> 22) | 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); + } + }; + + + + //=================================================blender_bgrAAA_pre + struct blender_bgrAAA_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 >> 14) & 0xFFC0; + calc_type g = (bgr >> 4) & 0xFFC0; + calc_type r = (bgr << 6) & 0xFFC0; + *p = (pixel_type) + ((((b * alpha + cb * cover) >> 2) & 0x3FF00000) | + (((g * alpha + cg * cover) >> 12) & 0x000FFC00) | + ((r * alpha + cr * cover) >> 22) | 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); + } + }; + + + + //=================================================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; + }; + + + + //===============================================pixel_formats_rgb_packed + template<class Blender> class pixel_formats_rgb_packed + { + public: + typedef rendering_buffer::row_data row_data; + typedef typename Blender::color_type color_type; + typedef typename Blender::pixel_type pixel_type; + typedef typename color_type::value_type value_type; + typedef typename color_type::calc_type calc_type; + enum + { + base_shift = color_type::base_shift, + base_size = color_type::base_size, + base_mask = color_type::base_mask + }; + + 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); + } + } + } + + //-------------------------------------------------------------------- + AGG_INLINE void copy_or_blend_opaque_pix(pixel_type* p, const color_type& c, unsigned cover) + { + if(cover == 255) + { + *p = m_blender.make_pix(c.r, c.g, c.b); + } + else + { + m_blender.blend_pix(p, c.r, c.g, c.b, (cover + 1) << (base_shift - 8), cover); + } + } + + + public: + //-------------------------------------------------------------------- + pixel_formats_rgb_packed(rendering_buffer& rb) : + m_rbuf(&rb) + {} + + //-------------------------------------------------------------------- + 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 color_type pixel(int x, int y) const + { + pixel_type* p = (pixel_type*)m_rbuf->row(y) + x; + return m_blender.make_color(((pixel_type*)m_rbuf->row(y))[x]); + } + + //-------------------------------------------------------------------- + row_data span(int x, int y) const + { + return row_data(x, + width() - 1, + m_rbuf->row(y) + x * sizeof(pixel_type)); + } + + //-------------------------------------------------------------------- + AGG_INLINE void copy_pixel(int x, int y, const color_type& c) + { + ((pixel_type*)m_rbuf->row(y))[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(y) + 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(y) + 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* p = (pixel_type*)m_rbuf->row(y) + x; + pixel_type v = m_blender.make_pix(c.r, c.g, c.b); + do + { + *p = v; + p = (pixel_type*)m_rbuf->next_row(p); + } + 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(y) + 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) + { + pixel_type* p = (pixel_type*)m_rbuf->row(y) + 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; + p = (pixel_type*)m_rbuf->next_row(p); + } + while(--len); + } + else + { + do + { + m_blender.blend_pix(p, c.r, c.g, c.b, alpha, cover); + p = (pixel_type*)m_rbuf->next_row(p); + } + 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(y) + 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) + { + pixel_type* p = (pixel_type*)m_rbuf->row(y) + x; + do + { + copy_or_blend_pix(p, c, *covers++); + p = (pixel_type*)m_rbuf->next_row(p); + } + 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(y) + 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) + { + pixel_type* p = (pixel_type*)m_rbuf->row(y) + x; + do + { + copy_or_blend_pix(p, *colors++, covers ? *covers++ : cover); + p = (pixel_type*)m_rbuf->next_row(p); + } + while(--len); + } + + + //-------------------------------------------------------------------- + void blend_opaque_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(y) + x; + if(covers) + { + do + { + copy_or_blend_opaque_pix(p++, *colors++, *covers++); + } + while(--len); + } + else + { + if(cover == 255) + { + do + { + *p++ = m_blender.make_pix(colors->r, colors->g, colors->b); + ++colors; + } + while(--len); + } + else + { + do + { + copy_or_blend_opaque_pix(p++, *colors++, cover); + } + while(--len); + } + } + } + + + //-------------------------------------------------------------------- + void blend_opaque_color_vspan(int x, int y, + unsigned len, + const color_type* colors, + const int8u* covers, + int8u cover) + { + pixel_type* p = (pixel_type*)m_rbuf->row(y) + x; + if(covers) + { + do + { + copy_or_blend_opaque_pix(p, *colors++, *covers++); + p = (pixel_type*)m_rbuf->next_row(p); + } + while(--len); + } + else + { + if(cover == 255) + { + do + { + *p = m_blender.make_pix(colors->r, colors->g, colors->b); + p = (value_type*)m_rbuf->next_row(p); + ++colors; + } + while(--len); + } + else + { + do + { + copy_or_blend_opaque_pix(p, *colors++, cover); + p = (value_type*)m_rbuf->next_row(p); + } + while(--len); + } + } + } + + + //-------------------------------------------------------------------- + void copy_from(const rendering_buffer& from, + int xdst, int ydst, + int xsrc, int ysrc, + unsigned len) + { + memmove((pixel_type*)m_rbuf->row(ydst) + xdst, + (pixel_type*)from.row(ysrc) + xsrc, + sizeof(pixel_type) * len); + } + + + //-------------------------------------------------------------------- + template<class SrcPixelFormatRenderer> + void blend_from(const SrcPixelFormatRenderer& from, + const int8u* psrc_, + int xdst, int ydst, + int xsrc, int ysrc, + unsigned len) + { + typedef typename SrcPixelFormatRenderer::order_type src_order; + + const value_type* psrc = (const value_type*)psrc_; + pixel_type* pdst = (pixel_type*)m_rbuf->row(ydst) + xdst; + do + { + value_type alpha = psrc[src_order::A]; + if(alpha) + { + if(alpha == base_mask) + { + *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, + 255); + } + } + psrc += 4; + ++pdst; + } + while(--len); + } + + + private: + rendering_buffer* m_rbuf; + Blender m_blender; + }; + + typedef pixel_formats_rgb_packed<blender_rgb555> pixfmt_rgb555; //----pixfmt_rgb555 + typedef pixel_formats_rgb_packed<blender_rgb565> pixfmt_rgb565; //----pixfmt_rgb565 + + typedef pixel_formats_rgb_packed<blender_rgb555_pre> pixfmt_rgb555_pre; //----pixfmt_rgb555_pre + typedef pixel_formats_rgb_packed<blender_rgb565_pre> pixfmt_rgb565_pre; //----pixfmt_rgb565_pre + + typedef pixel_formats_rgb_packed<blender_rgbAAA> pixfmt_rgbAAA; //----pixfmt_rgbAAA + typedef pixel_formats_rgb_packed<blender_bgrAAA> pixfmt_bgrAAA; //----pixfmt_bgrAAA + typedef pixel_formats_rgb_packed<blender_rgbBBA> pixfmt_rgbBBA; //----pixfmt_rgbBBA + typedef pixel_formats_rgb_packed<blender_bgrABB> pixfmt_bgrABB; //----pixfmt_bgrABB + + typedef pixel_formats_rgb_packed<blender_rgbAAA_pre> pixfmt_rgbAAA_pre; //----pixfmt_rgbAAA_pre + typedef pixel_formats_rgb_packed<blender_bgrAAA_pre> pixfmt_bgrAAA_pre; //----pixfmt_bgrAAA_pre + typedef pixel_formats_rgb_packed<blender_rgbBBA_pre> pixfmt_rgbBBA_pre; //----pixfmt_rgbBBA_pre + typedef pixel_formats_rgb_packed<blender_bgrABB_pre> pixfmt_bgrABB_pre; //----pixfmt_bgrABB_pre + + + //-----------------------------------------------------pixfmt_rgb555_gamma + template<class Gamma> class pixfmt_rgb555_gamma : + public pixel_formats_rgb_packed<blender_rgb555_gamma<Gamma> > + { + public: + pixfmt_rgb555_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_rgb555_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + + //-----------------------------------------------------pixfmt_rgb565_gamma + template<class Gamma> class pixfmt_rgb565_gamma : + public pixel_formats_rgb_packed<blender_rgb565_gamma<Gamma> > + { + public: + pixfmt_rgb565_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_rgb565_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + + //-----------------------------------------------------pixfmt_rgbAAA_gamma + template<class Gamma> class pixfmt_rgbAAA_gamma : + public pixel_formats_rgb_packed<blender_rgbAAA_gamma<Gamma> > + { + public: + pixfmt_rgbAAA_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_rgbAAA_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + + //-----------------------------------------------------pixfmt_bgrAAA_gamma + template<class Gamma> class pixfmt_bgrAAA_gamma : + public pixel_formats_rgb_packed<blender_bgrAAA_gamma<Gamma> > + { + public: + pixfmt_bgrAAA_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_bgrAAA_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + + //-----------------------------------------------------pixfmt_rgbBBA_gamma + template<class Gamma> class pixfmt_rgbBBA_gamma : + public pixel_formats_rgb_packed<blender_rgbBBA_gamma<Gamma> > + { + public: + pixfmt_rgbBBA_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_rgbBBA_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + + //-----------------------------------------------------pixfmt_bgrABB_gamma + template<class Gamma> class pixfmt_bgrABB_gamma : + public pixel_formats_rgb_packed<blender_bgrABB_gamma<Gamma> > + { + public: + pixfmt_bgrABB_gamma(rendering_buffer& rb, const Gamma& g) : + pixel_formats_rgb_packed<blender_bgrABB_gamma<Gamma> >(rb) + { + this->blender().gamma(g); + } + }; + + +} + +#endif + |