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

   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 #include "../../stdafx.h"\r
  21 \r
  22 #include "image_transform.h"\r
  23 \r
  24 #include <common/utility/assert.h>\r
  25 \r
  26 #include <boost/algorithm/string.hpp>\r
  27 \r
  28 namespace caspar { namespace core {\r
  29                 \r
  30 image_transform::image_transform() \r
  31         : opacity_(1.0)\r
  32         , gain_(1.0)\r
  33         , brightness_(1.0)\r
  34         , contrast_(1.0)\r
  35         , saturation_(1.0)\r
  36         , is_key_(false)\r
  37         , is_atomic_(false)\r
  38         , blend_mode_(image_transform::blend_mode::normal)\r
  39 {\r
  40         std::fill(fill_translation_.begin(), fill_translation_.end(), 0.0);\r
  41         std::fill(fill_scale_.begin(), fill_scale_.end(), 1.0);\r
  42         std::fill(clip_translation_.begin(), clip_translation_.end(), 0.0);\r
  43         std::fill(clip_scale_.begin(), clip_scale_.end(), 1.0);\r
  44 }\r
  45 \r
  46 void image_transform::set_opacity(double value)\r
  47 {\r
  48         opacity_ = std::max(value, 0.0);\r
  49 }\r
  50 \r
  51 double image_transform::get_opacity() const\r
  52 {\r
  53         return opacity_;\r
  54 }\r
  55 \r
  56 void image_transform::set_gain(double value)\r
  57 {\r
  58         gain_ = std::max(0.0, value);\r
  59 }\r
  60 \r
  61 double image_transform::get_gain() const\r
  62 {\r
  63         return gain_;\r
  64 }\r
  65 \r
  66 void image_transform::set_brightness(double value)\r
  67 {\r
  68         brightness_ = std::max(0.0, value);\r
  69 }\r
  70 \r
  71 double image_transform::get_brightness() const\r
  72 {\r
  73         return brightness_;\r
  74 }\r
  75 \r
  76 void image_transform::set_contrast(double value)\r
  77 {\r
  78         contrast_ = std::max(0.0, value);\r
  79 }\r
  80 \r
  81 double image_transform::get_contrast() const\r
  82 {\r
  83         return contrast_;\r
  84 }\r
  85 \r
  86 void image_transform::set_saturation(double value)\r
  87 {\r
  88         saturation_ = std::max(0.0, value);\r
  89 }\r
  90 \r
  91 double image_transform::get_saturation() const\r
  92 {\r
  93         return saturation_;\r
  94 }\r
  95 \r
  96 void image_transform::set_levels(const image_transform::levels& value)\r
  97 {\r
  98         levels_ = value;\r
  99 }\r
 100 \r
 101 image_transform::levels image_transform::get_levels() const\r
 102 {\r
 103         return levels_;\r
 104 }\r
 105 \r
 106 \r
 107 void image_transform::set_fill_translation(double x, double y)\r
 108 {\r
 109         fill_translation_[0] = x;\r
 110         fill_translation_[1] = y;\r
 111 }\r
 112 \r
 113 void image_transform::set_fill_scale(double x, double y)\r
 114 {\r
 115         fill_scale_[0] = x;\r
 116         fill_scale_[1] = y;     \r
 117 }\r
 118 \r
 119 std::array<double, 2> image_transform::get_fill_translation() const\r
 120 {\r
 121         return fill_translation_;\r
 122 }\r
 123 \r
 124 std::array<double, 2> image_transform::get_fill_scale() const\r
 125 {\r
 126         return fill_scale_;\r
 127 }\r
 128 \r
 129 void image_transform::set_clip_translation(double x, double y)\r
 130 {\r
 131         clip_translation_[0] = x;\r
 132         clip_translation_[1] = y;\r
 133 }\r
 134 \r
 135 void image_transform::set_clip_scale(double x, double y)\r
 136 {\r
 137         clip_scale_[0] = x;\r
 138         clip_scale_[1] = y;     \r
 139 }\r
 140 \r
 141 std::array<double, 2> image_transform::get_clip_translation() const\r
 142 {\r
 143         return clip_translation_;\r
 144 }\r
 145 \r
 146 std::array<double, 2> image_transform::get_clip_scale() const\r
 147 {\r
 148         return clip_scale_;\r
 149 }\r
 150 \r
 151 void image_transform::set_is_atomic(bool value)\r
 152 {\r
 153         is_atomic_ = value;\r
 154 }\r
 155 \r
 156 bool image_transform::get_is_atomic() const\r
 157 {\r
 158         return is_atomic_;\r
 159 }\r
 160 \r
 161 void image_transform::set_blend_mode(image_transform::blend_mode::type value)\r
 162 {\r
 163         blend_mode_ = value;\r
 164 }\r
 165 \r
 166 image_transform::blend_mode::type image_transform::get_blend_mode() const\r
 167 {\r
 168         return blend_mode_;\r
 169 }\r
 170 \r
 171 image_transform& image_transform::operator*=(const image_transform &other)\r
 172 {\r
 173         opacity_                                *= other.opacity_;      \r
 174         blend_mode_                              = std::max(blend_mode_, other.blend_mode_);\r
 175         gain_                                   *= other.gain_;\r
 176         brightness_                             *= other.brightness_;\r
 177         contrast_                               *= other.contrast_;\r
 178         saturation_                             *= other.saturation_;\r
 179 \r
 180         levels_.min_input               = std::max(levels_.min_input, other.levels_.min_input);\r
 181         levels_.max_input               = std::min(levels_.max_input, other.levels_.max_input);\r
 182         \r
 183         levels_.min_output              = std::max(levels_.min_output, other.levels_.min_output);\r
 184         levels_.max_output              = std::min(levels_.max_output, other.levels_.max_output);\r
 185 \r
 186         levels_.gamma                   *= other.levels_.gamma;\r
 187 \r
 188         is_atomic_                              |= other.is_atomic_;\r
 189         is_key_                                 |= other.is_key_;\r
 190         fill_translation_[0]    += other.fill_translation_[0]*fill_scale_[0];\r
 191         fill_translation_[1]    += other.fill_translation_[1]*fill_scale_[1];\r
 192         fill_scale_[0]                  *= other.fill_scale_[0];\r
 193         fill_scale_[1]                  *= other.fill_scale_[1];\r
 194         clip_translation_[0]    += other.clip_translation_[0]*clip_scale_[0];\r
 195         clip_translation_[1]    += other.clip_translation_[1]*clip_scale_[1];\r
 196         clip_scale_[0]                  *= other.clip_scale_[0];\r
 197         clip_scale_[1]                  *= other.clip_scale_[1];\r
 198         return *this;\r
 199 }\r
 200 \r
 201 const image_transform image_transform::operator*(const image_transform &other) const\r
 202 {\r
 203         return image_transform(*this) *= other;\r
 204 }\r
 205 \r
 206 void image_transform::set_is_key(bool value){is_key_ = value;}\r
 207 bool image_transform::get_is_key() const{return is_key_;}\r
 208 \r
 209 image_transform tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener_t& tweener)\r
 210 {       \r
 211         auto do_tween = [](double time, double source, double dest, double duration, const tweener_t& tweener)\r
 212         {\r
 213                 return tweener(time, source, dest-source, duration);\r
 214         };\r
 215         \r
 216         image_transform result; \r
 217         result.set_blend_mode           (std::max(source.get_blend_mode(), dest.get_blend_mode()));\r
 218         result.set_is_key                       (source.get_is_key() | dest.get_is_key());\r
 219         result.set_is_atomic            (source.get_is_atomic() | dest.get_is_atomic());\r
 220         result.set_gain                         (do_tween(time, source.get_gain(), dest.get_gain(), duration, tweener));\r
 221         result.set_brightness           (do_tween(time, source.get_brightness(), dest.get_brightness(), duration, tweener));\r
 222         result.set_contrast                     (do_tween(time, source.get_contrast(), dest.get_contrast(), duration, tweener));\r
 223         result.set_saturation           (do_tween(time, source.get_saturation(), dest.get_saturation(), duration, tweener));\r
 224         result.set_opacity                      (do_tween(time, source.get_opacity(), dest.get_opacity(), duration, tweener));\r
 225         result.set_fill_translation     (do_tween(time, source.get_fill_translation()[0], dest.get_fill_translation()[0], duration, tweener), do_tween(time, source.get_fill_translation()[1], dest.get_fill_translation()[1], duration, tweener));\r
 226         result.set_fill_scale           (do_tween(time, source.get_fill_scale()[0], dest.get_fill_scale()[0], duration, tweener), do_tween(time, source.get_fill_scale()[1], dest.get_fill_scale()[1], duration, tweener));\r
 227         result.set_clip_translation     (do_tween(time, source.get_clip_translation()[0], dest.get_clip_translation()[0], duration, tweener), do_tween(time, source.get_clip_translation()[1], dest.get_clip_translation()[1], duration, tweener));\r
 228         result.set_clip_scale           (do_tween(time, source.get_clip_scale()[0], dest.get_clip_scale()[0], duration, tweener), do_tween(time, source.get_clip_scale()[1], dest.get_clip_scale()[1], duration, tweener));\r
 229         \r
 230         auto s_levels = source.get_levels();\r
 231         auto d_levels = dest.get_levels();\r
 232 \r
 233         d_levels.max_input = do_tween(time, s_levels.max_input, d_levels.max_input, duration, tweener);\r
 234         d_levels.min_input = do_tween(time, s_levels.min_input, d_levels.min_input, duration, tweener);\r
 235         \r
 236         d_levels.max_output = do_tween(time, s_levels.max_output, d_levels.max_output, duration, tweener);\r
 237         d_levels.min_output = do_tween(time, s_levels.min_output, d_levels.min_output, duration, tweener);\r
 238 \r
 239         d_levels.gamma = do_tween(time, s_levels.gamma, d_levels.gamma, duration, tweener);\r
 240 \r
 241         result.set_levels(d_levels);\r
 242 \r
 243         return result;\r
 244 }\r
 245 \r
 246 image_transform::blend_mode::type get_blend_mode(const std::wstring& str)\r
 247 {\r
 248         if(boost::iequals(str, L"normal"))\r
 249                 return image_transform::blend_mode::normal;\r
 250         else if(boost::iequals(str, L"lighten"))\r
 251                 return image_transform::blend_mode::lighten;\r
 252         else if(boost::iequals(str, L"darken"))\r
 253                 return image_transform::blend_mode::darken;\r
 254         else if(boost::iequals(str, L"multiply"))\r
 255                 return image_transform::blend_mode::multiply;\r
 256         else if(boost::iequals(str, L"average"))\r
 257                 return image_transform::blend_mode::average;\r
 258         else if(boost::iequals(str, L"add"))\r
 259                 return image_transform::blend_mode::add;\r
 260         else if(boost::iequals(str, L"subtract"))\r
 261                 return image_transform::blend_mode::subtract;\r
 262         else if(boost::iequals(str, L"difference"))\r
 263                 return image_transform::blend_mode::difference;\r
 264         else if(boost::iequals(str, L"negation"))\r
 265                 return image_transform::blend_mode::negation;\r
 266         else if(boost::iequals(str, L"exclusion"))\r
 267                 return image_transform::blend_mode::exclusion;\r
 268         else if(boost::iequals(str, L"screen"))\r
 269                 return image_transform::blend_mode::screen;\r
 270         else if(boost::iequals(str, L"overlay"))\r
 271                 return image_transform::blend_mode::overlay;\r
 272         else if(boost::iequals(str, L"soft_light"))\r
 273                 return image_transform::blend_mode::soft_light;\r
 274         else if(boost::iequals(str, L"hard_light"))\r
 275                 return image_transform::blend_mode::hard_light;\r
 276         else if(boost::iequals(str, L"color_dodge"))\r
 277                 return image_transform::blend_mode::color_dodge;\r
 278         else if(boost::iequals(str, L"color_burn"))\r
 279                 return image_transform::blend_mode::color_burn;\r
 280         else if(boost::iequals(str, L"linear_dodge"))\r
 281                 return image_transform::blend_mode::linear_dodge;\r
 282         else if(boost::iequals(str, L"linear_burn"))\r
 283                 return image_transform::blend_mode::linear_burn;\r
 284         else if(boost::iequals(str, L"linear_light"))\r
 285                 return image_transform::blend_mode::linear_light;\r
 286         else if(boost::iequals(str, L"vivid_light"))\r
 287                 return image_transform::blend_mode::vivid_light;\r
 288         else if(boost::iequals(str, L"pin_light"))\r
 289                 return image_transform::blend_mode::pin_light;\r
 290         else if(boost::iequals(str, L"hard_mix"))\r
 291                 return image_transform::blend_mode::hard_mix;\r
 292         else if(boost::iequals(str, L"reflect"))\r
 293                 return image_transform::blend_mode::reflect;\r
 294         else if(boost::iequals(str, L"glow"))\r
 295                 return image_transform::blend_mode::glow;\r
 296         else if(boost::iequals(str, L"phoenix"))\r
 297                 return image_transform::blend_mode::phoenix;\r
 298         else if(boost::iequals(str, L"contrast"))\r
 299                 return image_transform::blend_mode::contrast;\r
 300         else if(boost::iequals(str, L"saturation"))\r
 301                 return image_transform::blend_mode::saturation;\r
 302         else if(boost::iequals(str, L"color"))\r
 303                 return image_transform::blend_mode::color;\r
 304         else if(boost::iequals(str, L"luminosity"))\r
 305                 return image_transform::blend_mode::luminosity;\r
 306                 \r
 307         return image_transform::blend_mode::normal;\r
 308 }\r
 309 \r
 310 bool operator<(const image_transform& lhs, const image_transform& rhs)\r
 311 {\r
 312         return memcmp(&lhs, &rhs, sizeof(image_transform)) < 0;\r
 313 }\r
 314 \r
 315 bool operator==(const image_transform& lhs, const image_transform& rhs)\r
 316 {\r
 317         return memcmp(&lhs, &rhs, sizeof(image_transform)) == 0;\r
 318 }\r
 319 \r
 320 bool operator!=(const image_transform& lhs, const image_transform& rhs)\r
 321 {\r
 322         return !(lhs == rhs);\r
 323 }\r
 324 \r
 325 }}