git.sesse.net Git - casparcg/blob - core/producer/frame/image_transform.h

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20 #pragma once\r
  21 \r
  22 #include <common/utility/tweener.h>\r
  23 #include <core/video_format.h>\r
  24 \r
  25 #include <array>\r
  26 #include <type_traits>\r
  27 \r
  28 namespace caspar { namespace core {\r
  29 \r
  30 struct pixel_format_desc;\r
  31         \r
  32 class image_transform \r
  33 {\r
  34 public:\r
  35         \r
  36         struct blend_mode\r
  37         {\r
  38                 enum type \r
  39                 {\r
  40                         normal = 0,\r
  41                         lighten,\r
  42                         darken,\r
  43                         multiply,\r
  44                         average,\r
  45                         add,\r
  46                         subtract,\r
  47                         difference,\r
  48                         negation,\r
  49                         exclusion,\r
  50                         screen,\r
  51                         overlay,\r
  52                         soft_light,\r
  53                         hard_light,\r
  54                         color_dodge,\r
  55                         color_burn,\r
  56                         linear_dodge,\r
  57                         linear_burn,\r
  58                         linear_light,\r
  59                         vivid_light,\r
  60                         pin_light,\r
  61                         hard_mix,\r
  62                         reflect,\r
  63                         glow,\r
  64                         phoenix,\r
  65                         contrast,\r
  66                         saturation,\r
  67                         color,\r
  68                         luminosity,\r
  69                         blend_mode_count \r
  70                 };\r
  71         };\r
  72         \r
  73         struct levels\r
  74         {\r
  75                 levels() \r
  76                         : min_input(0.0)\r
  77                         , max_input(1.0)\r
  78                         , gamma(1.0)\r
  79                         , min_output(0.0)\r
  80                         , max_output(1.0)\r
  81                 {               \r
  82                 }\r
  83                 double min_input;\r
  84                 double max_input;\r
  85                 double gamma;\r
  86                 double min_output;\r
  87                 double max_output;\r
  88         };\r
  89 \r
  90         image_transform();\r
  91 \r
  92         void set_opacity(double value);\r
  93         double get_opacity() const;\r
  94 \r
  95         void set_gain(double value);\r
  96         double get_gain() const;\r
  97 \r
  98         void set_brightness(double value);\r
  99         double get_brightness() const;\r
 100 \r
 101         void set_contrast(double value);\r
 102         double get_contrast() const;\r
 103 \r
 104         void set_saturation(double value);\r
 105         double get_saturation() const;\r
 106         \r
 107         void set_levels(const levels& value);\r
 108         levels get_levels() const;\r
 109         \r
 110         void set_fill_translation(double x, double y);\r
 111         std::array<double, 2> get_fill_translation() const;\r
 112 \r
 113         void set_fill_scale(double x, double y);\r
 114         std::array<double, 2> get_fill_scale() const;\r
 115         \r
 116         void set_clip_translation(double x, double y);\r
 117         std::array<double, 2> get_clip_translation() const;\r
 118 \r
 119         void set_clip_scale(double x, double y);\r
 120         std::array<double, 2> get_clip_scale() const;\r
 121         \r
 122         image_transform& operator*=(const image_transform &other);\r
 123         const image_transform operator*(const image_transform &other) const;\r
 124 \r
 125         void set_is_key(bool value);\r
 126         bool get_is_key() const;\r
 127 \r
 128         void set_is_atomic(bool value);\r
 129         bool get_is_atomic() const;\r
 130 \r
 131         void set_blend_mode(blend_mode::type value);\r
 132         blend_mode::type get_blend_mode() const;\r
 133         \r
 134 private:\r
 135         double opacity_;\r
 136         double gain_;\r
 137         double contrast_;\r
 138         double brightness_;\r
 139         double saturation_;\r
 140         double desaturation_;\r
 141         levels levels_;\r
 142         std::array<double, 2> fill_translation_; \r
 143         std::array<double, 2> fill_scale_; \r
 144         std::array<double, 2> clip_translation_; \r
 145         std::array<double, 2> clip_scale_; \r
 146         video_mode::type mode_;\r
 147         bool is_key_;\r
 148         bool is_atomic_;\r
 149         blend_mode::type blend_mode_;\r
 150 };\r
 151 \r
 152 image_transform::blend_mode::type get_blend_mode(const std::wstring& str);\r
 153 \r
 154 image_transform tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener_t& tweener);\r
 155 \r
 156 bool operator<(const image_transform& lhs, const image_transform& rhs);\r
 157 bool operator==(const image_transform& lhs, const image_transform& rhs);\r
 158 bool operator!=(const image_transform& lhs, const image_transform& rhs);\r
 159 \r
 160 }}