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         , mode_(video_mode::invalid)\r
  37         , is_key_(false)\r
  38         , deinterlace_(false)\r
  39         , blend_mode_(image_transform::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_mode(video_mode::type mode)\r
 153 {\r
 154         mode_ = mode;\r
 155 }\r
 156 \r
 157 video_mode::type image_transform::get_mode() const\r
 158 {\r
 159         return mode_;\r
 160 }\r
 161 \r
 162 void image_transform::set_deinterlace(bool value)\r
 163 {\r
 164         deinterlace_ = value;\r
 165 }\r
 166 \r
 167 bool image_transform::get_deinterlace() const\r
 168 {\r
 169         return deinterlace_;\r
 170 }\r
 171 \r
 172 void image_transform::set_blend_mode(image_transform::blend_mode value)\r
 173 {\r
 174         blend_mode_ = value;\r
 175 }\r
 176 \r
 177 image_transform::blend_mode image_transform::get_blend_mode() const\r
 178 {\r
 179         return blend_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         \r
 186         if(other.mode_ != video_mode::invalid)\r
 187                 mode_ = other.mode_;\r
 188 \r
 189         blend_mode_                              = std::max(blend_mode_, other.blend_mode_);\r
 190         gain_                                   *= other.gain_;\r
 191         brightness_                             *= other.brightness_;\r
 192         contrast_                               *= other.contrast_;\r
 193         saturation_                             *= other.saturation_;\r
 194 \r
 195         levels_.min_input               = std::max(levels_.min_input, other.levels_.min_input);\r
 196         levels_.max_input               = std::min(levels_.max_input, other.levels_.max_input);\r
 197         \r
 198         levels_.min_output              = std::max(levels_.min_output, other.levels_.min_output);\r
 199         levels_.max_output              = std::min(levels_.max_output, other.levels_.max_output);\r
 200 \r
 201         levels_.gamma                   *= other.levels_.gamma;\r
 202 \r
 203         deinterlace_                    |= other.deinterlace_;\r
 204         is_key_                                 |= other.is_key_;\r
 205         fill_translation_[0]    += other.fill_translation_[0]*fill_scale_[0];\r
 206         fill_translation_[1]    += other.fill_translation_[1]*fill_scale_[1];\r
 207         fill_scale_[0]                  *= other.fill_scale_[0];\r
 208         fill_scale_[1]                  *= other.fill_scale_[1];\r
 209         clip_translation_[0]    += other.clip_translation_[0]*clip_scale_[0];\r
 210         clip_translation_[1]    += other.clip_translation_[1]*clip_scale_[1];\r
 211         clip_scale_[0]                  *= other.clip_scale_[0];\r
 212         clip_scale_[1]                  *= other.clip_scale_[1];\r
 213         return *this;\r
 214 }\r
 215 \r
 216 const image_transform image_transform::operator*(const image_transform &other) const\r
 217 {\r
 218         return image_transform(*this) *= other;\r
 219 }\r
 220 \r
 221 void image_transform::set_is_key(bool value){is_key_ = value;}\r
 222 bool image_transform::get_is_key() const{return is_key_;}\r
 223 \r
 224 image_transform tween(double time, const image_transform& source, const image_transform& dest, double duration, const tweener_t& tweener)\r
 225 {       \r
 226         auto do_tween = [](double time, double source, double dest, double duration, const tweener_t& tweener)\r
 227         {\r
 228                 return tweener(time, source, dest-source, duration);\r
 229         };\r
 230 \r
 231         CASPAR_ASSERT(source.get_mode() == dest.get_mode() || source.get_mode() == video_mode::invalid || dest.get_mode() == video_mode::invalid);\r
 232 \r
 233         image_transform result; \r
 234         result.set_mode                         (dest.get_mode() != video_mode::invalid ? dest.get_mode() : source.get_mode());\r
 235         result.set_blend_mode           (std::max(source.get_blend_mode(), dest.get_blend_mode()));\r
 236         result.set_is_key                       (source.get_is_key() | dest.get_is_key());\r
 237         result.set_deinterlace          (source.get_deinterlace() | dest.get_deinterlace());\r
 238         result.set_gain                         (do_tween(time, source.get_gain(), dest.get_gain(), duration, tweener));\r
 239         result.set_brightness           (do_tween(time, source.get_brightness(), dest.get_brightness(), duration, tweener));\r
 240         result.set_contrast                     (do_tween(time, source.get_contrast(), dest.get_contrast(), duration, tweener));\r
 241         result.set_saturation           (do_tween(time, source.get_saturation(), dest.get_saturation(), duration, tweener));\r
 242         result.set_opacity                      (do_tween(time, source.get_opacity(), dest.get_opacity(), duration, tweener));\r
 243         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
 244         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
 245         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
 246         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
 247         \r
 248         auto s_levels = source.get_levels();\r
 249         auto d_levels = dest.get_levels();\r
 250 \r
 251         d_levels.max_input = do_tween(time, s_levels.max_input, d_levels.max_input, duration, tweener);\r
 252         d_levels.min_input = do_tween(time, s_levels.min_input, d_levels.min_input, duration, tweener);\r
 253         \r
 254         d_levels.max_output = do_tween(time, s_levels.max_output, d_levels.max_output, duration, tweener);\r
 255         d_levels.min_output = do_tween(time, s_levels.min_output, d_levels.min_output, duration, tweener);\r
 256 \r
 257         d_levels.gamma = do_tween(time, s_levels.gamma, d_levels.gamma, duration, tweener);\r
 258 \r
 259         result.set_levels(d_levels);\r
 260 \r
 261         return result;\r
 262 }\r
 263 \r
 264 image_transform::blend_mode get_blend_mode(const std::wstring& str)\r
 265 {\r
 266         if(boost::iequals(str, L"normal"))\r
 267                 return image_transform::normal;\r
 268         else if(boost::iequals(str, L"lighten"))\r
 269                 return image_transform::lighten;\r
 270         else if(boost::iequals(str, L"darken"))\r
 271                 return image_transform::darken;\r
 272         else if(boost::iequals(str, L"multiply"))\r
 273                 return image_transform::multiply;\r
 274         else if(boost::iequals(str, L"average"))\r
 275                 return image_transform::average;\r
 276         else if(boost::iequals(str, L"add"))\r
 277                 return image_transform::add;\r
 278         else if(boost::iequals(str, L"subtract"))\r
 279                 return image_transform::subtract;\r
 280         else if(boost::iequals(str, L"difference"))\r
 281                 return image_transform::difference;\r
 282         else if(boost::iequals(str, L"negation"))\r
 283                 return image_transform::negation;\r
 284         else if(boost::iequals(str, L"exclusion"))\r
 285                 return image_transform::exclusion;\r
 286         else if(boost::iequals(str, L"screen"))\r
 287                 return image_transform::screen;\r
 288         else if(boost::iequals(str, L"overlay"))\r
 289                 return image_transform::overlay;\r
 290         else if(boost::iequals(str, L"soft_light"))\r
 291                 return image_transform::soft_light;\r
 292         else if(boost::iequals(str, L"hard_light"))\r
 293                 return image_transform::hard_light;\r
 294         else if(boost::iequals(str, L"color_dodge"))\r
 295                 return image_transform::color_dodge;\r
 296         else if(boost::iequals(str, L"color_burn"))\r
 297                 return image_transform::color_burn;\r
 298         else if(boost::iequals(str, L"linear_dodge"))\r
 299                 return image_transform::linear_dodge;\r
 300         else if(boost::iequals(str, L"linear_burn"))\r
 301                 return image_transform::linear_burn;\r
 302         else if(boost::iequals(str, L"linear_light"))\r
 303                 return image_transform::linear_light;\r
 304         else if(boost::iequals(str, L"vivid_light"))\r
 305                 return image_transform::vivid_light;\r
 306         else if(boost::iequals(str, L"pin_light"))\r
 307                 return image_transform::pin_light;\r
 308         else if(boost::iequals(str, L"hard_mix"))\r
 309                 return image_transform::hard_mix;\r
 310         else if(boost::iequals(str, L"reflect"))\r
 311                 return image_transform::reflect;\r
 312         else if(boost::iequals(str, L"glow"))\r
 313                 return image_transform::glow;\r
 314         else if(boost::iequals(str, L"phoenix"))\r
 315                 return image_transform::phoenix;\r
 316         else if(boost::iequals(str, L"contrast"))\r
 317                 return image_transform::contrast;\r
 318         else if(boost::iequals(str, L"saturation"))\r
 319                 return image_transform::saturation;\r
 320         else if(boost::iequals(str, L"color"))\r
 321                 return image_transform::color;\r
 322         else if(boost::iequals(str, L"luminosity"))\r
 323                 return image_transform::luminosity;\r
 324                 \r
 325         return image_transform::normal;\r
 326 }\r
 327 \r
 328 }}