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         , deinterlace_(false)\r
  38         , blend_mode_(image_transform::blend_mode::normal)\r
  39         , alpha_mode_(image_transform::alpha_mode::normal)\r
  40 {\r
  41         std::fill(fill_translation_.begin(), fill_translation_.end(), 0.0);\r
  42         std::fill(fill_scale_.begin(), fill_scale_.end(), 1.0);\r
  43         std::fill(clip_translation_.begin(), clip_translation_.end(), 0.0);\r
  44         std::fill(clip_scale_.begin(), clip_scale_.end(), 1.0);\r
  45 }\r
  46 \r
  47 void image_transform::set_opacity(double value)\r
  48 {\r
  49         opacity_ = std::max(value, 0.0);\r
  50 }\r
  51 \r
  52 double image_transform::get_opacity() const\r
  53 {\r
  54         return opacity_;\r
  55 }\r
  56 \r
  57 void image_transform::set_gain(double value)\r
  58 {\r
  59         gain_ = std::max(0.0, value);\r
  60 }\r
  61 \r
  62 double image_transform::get_gain() const\r
  63 {\r
  64         return gain_;\r
  65 }\r
  66 \r
  67 void image_transform::set_brightness(double value)\r
  68 {\r
  69         brightness_ = std::max(0.0, value);\r
  70 }\r
  71 \r
  72 double image_transform::get_brightness() const\r
  73 {\r
  74         return brightness_;\r
  75 }\r
  76 \r
  77 void image_transform::set_contrast(double value)\r
  78 {\r
  79         contrast_ = std::max(0.0, value);\r
  80 }\r
  81 \r
  82 double image_transform::get_contrast() const\r
  83 {\r
  84         return contrast_;\r
  85 }\r
  86 \r
  87 void image_transform::set_saturation(double value)\r
  88 {\r
  89         saturation_ = std::max(0.0, value);\r
  90 }\r
  91 \r
  92 double image_transform::get_saturation() const\r
  93 {\r
  94         return saturation_;\r
  95 }\r
  96 \r
  97 void image_transform::set_levels(const image_transform::levels& value)\r
  98 {\r
  99         levels_ = value;\r
 100 }\r
 101 \r
 102 image_transform::levels image_transform::get_levels() const\r
 103 {\r
 104         return levels_;\r
 105 }\r
 106 \r
 107 \r
 108 void image_transform::set_fill_translation(double x, double y)\r
 109 {\r
 110         fill_translation_[0] = x;\r
 111         fill_translation_[1] = y;\r
 112 }\r
 113 \r
 114 void image_transform::set_fill_scale(double x, double y)\r
 115 {\r
 116         fill_scale_[0] = x;\r
 117         fill_scale_[1] = y;     \r
 118 }\r
 119 \r
 120 std::array<double, 2> image_transform::get_fill_translation() const\r
 121 {\r
 122         return fill_translation_;\r
 123 }\r
 124 \r
 125 std::array<double, 2> image_transform::get_fill_scale() const\r
 126 {\r
 127         return fill_scale_;\r
 128 }\r
 129 \r
 130 void image_transform::set_clip_translation(double x, double y)\r
 131 {\r
 132         clip_translation_[0] = x;\r
 133         clip_translation_[1] = y;\r
 134 }\r
 135 \r
 136 void image_transform::set_clip_scale(double x, double y)\r
 137 {\r
 138         clip_scale_[0] = x;\r
 139         clip_scale_[1] = y;     \r
 140 }\r
 141 \r
 142 std::array<double, 2> image_transform::get_clip_translation() const\r
 143 {\r
 144         return clip_translation_;\r
 145 }\r
 146 \r
 147 std::array<double, 2> image_transform::get_clip_scale() const\r
 148 {\r
 149         return clip_scale_;\r
 150 }\r
 151 \r
 152 void image_transform::set_deinterlace(bool value)\r
 153 {\r
 154         deinterlace_ = value;\r
 155 }\r
 156 \r
 157 bool image_transform::get_deinterlace() const\r
 158 {\r
 159         return deinterlace_;\r
 160 }\r
 161 \r
 162 void image_transform::set_blend_mode(image_transform::blend_mode::type value)\r
 163 {\r
 164         blend_mode_ = value;\r
 165 }\r
 166 \r
 167 image_transform::blend_mode::type image_transform::get_blend_mode() const\r
 168 {\r
 169         return blend_mode_;\r
 170 }\r
 171 \r
 172 void image_transform::set_alpha_mode(image_transform::alpha_mode::type value)\r
 173 {\r
 174         alpha_mode_ = value;\r
 175 }\r
 176 \r
 177 image_transform::alpha_mode::type image_transform::get_alpha_mode() const\r
 178 {\r
 179         return alpha_mode_;\r
 180 }\r
 181 \r
 182 image_transform& image_transform::operator*=(const image_transform &other)\r
 183 {\r
 184         opacity_                                *= other.opacity_;      \r
 185         blend_mode_                              = std::max(blend_mode_, other.blend_mode_);\r
 186         alpha_mode_                              = std::max(alpha_mode_, other.alpha_mode_);\r
 187         gain_                                   *= other.gain_;\r
 188         brightness_                             *= other.brightness_;\r
 189         contrast_                               *= other.contrast_;\r
 190         saturation_                             *= other.saturation_;\r
 191 \r
 192         levels_.min_input               = std::max(levels_.min_input, other.levels_.min_input);\r
 193         levels_.max_input               = std::min(levels_.max_input, other.levels_.max_input);\r
 194         \r
 195         levels_.min_output              = std::max(levels_.min_output, other.levels_.min_output);\r
 196         levels_.max_output              = std::min(levels_.max_output, other.levels_.max_output);\r
 197 \r
 198         levels_.gamma                   *= other.levels_.gamma;\r
 199 \r
 200         deinterlace_                    |= other.deinterlace_;\r
 201         is_key_                                 |= other.is_key_;\r
 202         fill_translation_[0]    += other.fill_translation_[0]*fill_scale_[0];\r
 203         fill_translation_[1]    += other.fill_translation_[1]*fill_scale_[1];\r
 204         fill_scale_[0]                  *= other.fill_scale_[0];\r
 205         fill_scale_[1]                  *= other.fill_scale_[1];\r
 206         clip_translation_[0]    += other.clip_translation_[0]*clip_scale_[0];\r
 207         clip_translation_[1]    += other.clip_translation_[1]*clip_scale_[1];\r
 208         clip_scale_[0]                  *= other.clip_scale_[0];\r
 209         clip_scale_[1]                  *= other.clip_scale_[1];\r
 210         return *this;\r
 211 }\r
 212 \r
 213 const image_transform image_transform::operator*(const image_transform &other) const\r
 214 {\r
 215         return image_transform(*this) *= other;\r
 216 }\r
 217 \r
 218 void image_transform::set_is_key(bool value){is_key_ = value;}\r
 219 bool image_transform::get_is_key() const{return is_key_;}\r
 220 \r
 221 image_transform tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener_t& tweener)\r
 222 {       \r
 223         auto do_tween = [](double time, double source, double dest, double duration, const tweener_t& tweener)\r
 224         {\r
 225                 return tweener(time, source, dest-source, duration);\r
 226         };\r
 227         \r
 228         image_transform result; \r
 229         result.set_blend_mode           (std::max(source.get_blend_mode(), dest.get_blend_mode()));\r
 230         result.set_alpha_mode           (std::max(source.get_alpha_mode(), dest.get_alpha_mode()));\r
 231         result.set_is_key                       (source.get_is_key() | dest.get_is_key());\r
 232         result.set_deinterlace          (source.get_deinterlace() | dest.get_deinterlace());\r
 233         result.set_gain                         (do_tween(time, source.get_gain(), dest.get_gain(), duration, tweener));\r
 234         result.set_brightness           (do_tween(time, source.get_brightness(), dest.get_brightness(), duration, tweener));\r
 235         result.set_contrast                     (do_tween(time, source.get_contrast(), dest.get_contrast(), duration, tweener));\r
 236         result.set_saturation           (do_tween(time, source.get_saturation(), dest.get_saturation(), duration, tweener));\r
 237         result.set_opacity                      (do_tween(time, source.get_opacity(), dest.get_opacity(), duration, tweener));\r
 238         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
 239         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
 240         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
 241         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
 242         \r
 243         auto s_levels = source.get_levels();\r
 244         auto d_levels = dest.get_levels();\r
 245 \r
 246         d_levels.max_input = do_tween(time, s_levels.max_input, d_levels.max_input, duration, tweener);\r
 247         d_levels.min_input = do_tween(time, s_levels.min_input, d_levels.min_input, duration, tweener);\r
 248         \r
 249         d_levels.max_output = do_tween(time, s_levels.max_output, d_levels.max_output, duration, tweener);\r
 250         d_levels.min_output = do_tween(time, s_levels.min_output, d_levels.min_output, duration, tweener);\r
 251 \r
 252         d_levels.gamma = do_tween(time, s_levels.gamma, d_levels.gamma, duration, tweener);\r
 253 \r
 254         result.set_levels(d_levels);\r
 255 \r
 256         return result;\r
 257 }\r
 258 \r
 259 image_transform::blend_mode::type get_blend_mode(const std::wstring& str)\r
 260 {\r
 261         if(boost::iequals(str, L"normal"))\r
 262                 return image_transform::blend_mode::normal;\r
 263         else if(boost::iequals(str, L"lighten"))\r
 264                 return image_transform::blend_mode::lighten;\r
 265         else if(boost::iequals(str, L"darken"))\r
 266                 return image_transform::blend_mode::darken;\r
 267         else if(boost::iequals(str, L"multiply"))\r
 268                 return image_transform::blend_mode::multiply;\r
 269         else if(boost::iequals(str, L"average"))\r
 270                 return image_transform::blend_mode::average;\r
 271         else if(boost::iequals(str, L"add"))\r
 272                 return image_transform::blend_mode::add;\r
 273         else if(boost::iequals(str, L"subtract"))\r
 274                 return image_transform::blend_mode::subtract;\r
 275         else if(boost::iequals(str, L"difference"))\r
 276                 return image_transform::blend_mode::difference;\r
 277         else if(boost::iequals(str, L"negation"))\r
 278                 return image_transform::blend_mode::negation;\r
 279         else if(boost::iequals(str, L"exclusion"))\r
 280                 return image_transform::blend_mode::exclusion;\r
 281         else if(boost::iequals(str, L"screen"))\r
 282                 return image_transform::blend_mode::screen;\r
 283         else if(boost::iequals(str, L"overlay"))\r
 284                 return image_transform::blend_mode::overlay;\r
 285         else if(boost::iequals(str, L"soft_light"))\r
 286                 return image_transform::blend_mode::soft_light;\r
 287         else if(boost::iequals(str, L"hard_light"))\r
 288                 return image_transform::blend_mode::hard_light;\r
 289         else if(boost::iequals(str, L"color_dodge"))\r
 290                 return image_transform::blend_mode::color_dodge;\r
 291         else if(boost::iequals(str, L"color_burn"))\r
 292                 return image_transform::blend_mode::color_burn;\r
 293         else if(boost::iequals(str, L"linear_dodge"))\r
 294                 return image_transform::blend_mode::linear_dodge;\r
 295         else if(boost::iequals(str, L"linear_burn"))\r
 296                 return image_transform::blend_mode::linear_burn;\r
 297         else if(boost::iequals(str, L"linear_light"))\r
 298                 return image_transform::blend_mode::linear_light;\r
 299         else if(boost::iequals(str, L"vivid_light"))\r
 300                 return image_transform::blend_mode::vivid_light;\r
 301         else if(boost::iequals(str, L"pin_light"))\r
 302                 return image_transform::blend_mode::pin_light;\r
 303         else if(boost::iequals(str, L"hard_mix"))\r
 304                 return image_transform::blend_mode::hard_mix;\r
 305         else if(boost::iequals(str, L"reflect"))\r
 306                 return image_transform::blend_mode::reflect;\r
 307         else if(boost::iequals(str, L"glow"))\r
 308                 return image_transform::blend_mode::glow;\r
 309         else if(boost::iequals(str, L"phoenix"))\r
 310                 return image_transform::blend_mode::phoenix;\r
 311         else if(boost::iequals(str, L"contrast"))\r
 312                 return image_transform::blend_mode::contrast;\r
 313         else if(boost::iequals(str, L"saturation"))\r
 314                 return image_transform::blend_mode::saturation;\r
 315         else if(boost::iequals(str, L"color"))\r
 316                 return image_transform::blend_mode::color;\r
 317         else if(boost::iequals(str, L"luminosity"))\r
 318                 return image_transform::blend_mode::luminosity;\r
 319                 \r
 320         return image_transform::blend_mode::normal;\r
 321 }\r
 322 \r
 323 image_transform::alpha_mode::type get_alpha_mode(const std::wstring& str)\r
 324 {\r
 325         if(boost::iequals(str, L"normal"))\r
 326                 return image_transform::alpha_mode::normal;\r
 327 \r
 328         return image_transform::alpha_mode::normal;\r
 329 }\r
 330 \r
 331 bool operator<(const image_transform& lhs, const image_transform& rhs)\r
 332 {\r
 333         return memcmp(&lhs, &rhs, sizeof(image_transform)) < 0;\r
 334 }\r
 335 \r
 336 bool operator==(const image_transform& lhs, const image_transform& rhs)\r
 337 {\r
 338         return memcmp(&lhs, &rhs, sizeof(image_transform)) == 0;\r
 339 }\r
 340 \r
 341 bool operator!=(const image_transform& lhs, const image_transform& rhs)\r
 342 {\r
 343         return !(lhs == rhs);\r
 344 }\r
 345 \r
 346 }}