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                         replace,\r
  70                         blend_mode_count \r
  71                 };\r
  72         };\r
  73         \r
  74         struct levels\r
  75         {\r
  76                 levels() \r
  77                         : min_input(0.0)\r
  78                         , max_input(1.0)\r
  79                         , gamma(1.0)\r
  80                         , min_output(0.0)\r
  81                         , max_output(1.0)\r
  82                 {               \r
  83                 }\r
  84                 double min_input;\r
  85                 double max_input;\r
  86                 double gamma;\r
  87                 double min_output;\r
  88                 double max_output;\r
  89         };\r
  90 \r
  91         image_transform();\r
  92 \r
  93         void set_opacity(double value);\r
  94         double get_opacity() const;\r
  95 \r
  96         void set_gain(double value);\r
  97         double get_gain() const;\r
  98 \r
  99         void set_brightness(double value);\r
 100         double get_brightness() const;\r
 101 \r
 102         void set_contrast(double value);\r
 103         double get_contrast() const;\r
 104 \r
 105         void set_saturation(double value);\r
 106         double get_saturation() const;\r
 107         \r
 108         void set_levels(const levels& value);\r
 109         levels get_levels() const;\r
 110         \r
 111         void set_fill_translation(double x, double y);\r
 112         std::array<double, 2> get_fill_translation() const;\r
 113 \r
 114         void set_fill_scale(double x, double y);\r
 115         std::array<double, 2> get_fill_scale() const;\r
 116         \r
 117         void set_clip_translation(double x, double y);\r
 118         std::array<double, 2> get_clip_translation() const;\r
 119 \r
 120         void set_clip_scale(double x, double y);\r
 121         std::array<double, 2> get_clip_scale() const;\r
 122         \r
 123         image_transform& operator*=(const image_transform &other);\r
 124         const image_transform operator*(const image_transform &other) const;\r
 125 \r
 126         void set_is_key(bool value);\r
 127         bool get_is_key() const;\r
 128 \r
 129         void set_blend_mode(blend_mode::type value);\r
 130         blend_mode::type get_blend_mode() const;\r
 131         \r
 132 private:\r
 133         double opacity_;\r
 134         double gain_;\r
 135         double contrast_;\r
 136         double brightness_;\r
 137         double saturation_;\r
 138         double desaturation_;\r
 139         levels levels_;\r
 140         std::array<double, 2> fill_translation_; \r
 141         std::array<double, 2> fill_scale_; \r
 142         std::array<double, 2> clip_translation_; \r
 143         std::array<double, 2> clip_scale_; \r
 144         video_mode::type mode_;\r
 145         bool is_key_;\r
 146         blend_mode::type blend_mode_;\r
 147 };\r
 148 \r
 149 image_transform::blend_mode::type get_blend_mode(const std::wstring& str);\r
 150 \r
 151 image_transform tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener_t& tweener);\r
 152 \r
 153 bool operator<(const image_transform& lhs, const image_transform& rhs);\r
 154 bool operator==(const image_transform& lhs, const image_transform& rhs);\r
 155 bool operator!=(const image_transform& lhs, const image_transform& rhs);\r
 156 \r
 157 }}