//---------------------------------------------------------------------------- // 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 #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 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 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 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 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 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 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 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 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 pixfmt_rgb555; //----pixfmt_rgb555 typedef pixel_formats_rgb_packed pixfmt_rgb565; //----pixfmt_rgb565 typedef pixel_formats_rgb_packed pixfmt_rgb555_pre; //----pixfmt_rgb555_pre typedef pixel_formats_rgb_packed pixfmt_rgb565_pre; //----pixfmt_rgb565_pre typedef pixel_formats_rgb_packed pixfmt_rgbAAA; //----pixfmt_rgbAAA typedef pixel_formats_rgb_packed pixfmt_bgrAAA; //----pixfmt_bgrAAA typedef pixel_formats_rgb_packed pixfmt_rgbBBA; //----pixfmt_rgbBBA typedef pixel_formats_rgb_packed pixfmt_bgrABB; //----pixfmt_bgrABB typedef pixel_formats_rgb_packed pixfmt_rgbAAA_pre; //----pixfmt_rgbAAA_pre typedef pixel_formats_rgb_packed pixfmt_bgrAAA_pre; //----pixfmt_bgrAAA_pre typedef pixel_formats_rgb_packed pixfmt_rgbBBA_pre; //----pixfmt_rgbBBA_pre typedef pixel_formats_rgb_packed pixfmt_bgrABB_pre; //----pixfmt_bgrABB_pre //-----------------------------------------------------pixfmt_rgb555_gamma template class pixfmt_rgb555_gamma : public pixel_formats_rgb_packed > { public: pixfmt_rgb555_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; //-----------------------------------------------------pixfmt_rgb565_gamma template class pixfmt_rgb565_gamma : public pixel_formats_rgb_packed > { public: pixfmt_rgb565_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; //-----------------------------------------------------pixfmt_rgbAAA_gamma template class pixfmt_rgbAAA_gamma : public pixel_formats_rgb_packed > { public: pixfmt_rgbAAA_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; //-----------------------------------------------------pixfmt_bgrAAA_gamma template class pixfmt_bgrAAA_gamma : public pixel_formats_rgb_packed > { public: pixfmt_bgrAAA_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; //-----------------------------------------------------pixfmt_rgbBBA_gamma template class pixfmt_rgbBBA_gamma : public pixel_formats_rgb_packed > { public: pixfmt_rgbBBA_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; //-----------------------------------------------------pixfmt_bgrABB_gamma template class pixfmt_bgrABB_gamma : public pixel_formats_rgb_packed > { public: pixfmt_bgrABB_gamma(rendering_buffer& rb, const Gamma& g) : pixel_formats_rgb_packed >(rb) { this->blender().gamma(g); } }; } #endif