git.sesse.net Git - casparcg/blob - mixer/image/image_transform.cpp

   1 #include "../stdafx.h"\r
   2 \r
   3 #include "image_transform.h"\r
   4 \r
   5 namespace caspar { namespace core {\r
   6                 \r
   7 image_transform::image_transform() \r
   8         : opacity_(1.0)\r
   9         , gain_(1.0)\r
  10         , mode_(video_mode::invalid)\r
  11 {\r
  12         std::fill(fill_translation_.begin(), fill_translation_.end(), 0.0);\r
  13         std::fill(fill_scale_.begin(), fill_scale_.end(), 1.0);\r
  14         std::fill(key_translation_.begin(), key_translation_.end(), 0.0);\r
  15         std::fill(key_scale_.begin(), key_scale_.end(), 1.0);\r
  16 }\r
  17 \r
  18 void image_transform::set_opacity(double value)\r
  19 {\r
  20         opacity_ = value;\r
  21 }\r
  22 \r
  23 double image_transform::get_opacity() const\r
  24 {\r
  25         return opacity_;\r
  26 }\r
  27 \r
  28 void image_transform::set_gain(double value)\r
  29 {\r
  30         gain_ = value;\r
  31 }\r
  32 \r
  33 double image_transform::get_gain() const\r
  34 {\r
  35         return gain_;\r
  36 }\r
  37 \r
  38 void image_transform::set_image_translation(double x, double y)\r
  39 {\r
  40         fill_translation_[0] = x;\r
  41         fill_translation_[1] = y;\r
  42 }\r
  43 \r
  44 void image_transform::set_image_scale(double x, double y)\r
  45 {\r
  46         fill_scale_[0] = x;\r
  47         fill_scale_[1] = y;     \r
  48 }\r
  49 \r
  50 std::array<double, 2> image_transform::get_image_translation() const\r
  51 {\r
  52         return fill_translation_;\r
  53 }\r
  54 \r
  55 std::array<double, 2> image_transform::get_image_scale() const\r
  56 {\r
  57         return fill_scale_;\r
  58 }\r
  59 \r
  60 void image_transform::set_mask_translation(double x, double y)\r
  61 {\r
  62         key_translation_[0] = x;\r
  63         key_translation_[1] = y;\r
  64 }\r
  65 \r
  66 void image_transform::set_mask_scale(double x, double y)\r
  67 {\r
  68         key_scale_[0] = x;\r
  69         key_scale_[1] = y;      \r
  70 }\r
  71 \r
  72 std::array<double, 2> image_transform::get_mask_translation() const\r
  73 {\r
  74         return key_translation_;\r
  75 }\r
  76 \r
  77 std::array<double, 2> image_transform::get_mask_scale() const\r
  78 {\r
  79         return key_scale_;\r
  80 }\r
  81 \r
  82 void image_transform::set_mode(video_mode::type mode)\r
  83 {\r
  84         mode_ = mode;\r
  85 }\r
  86 \r
  87 video_mode::type image_transform::get_mode() const\r
  88 {\r
  89         return mode_;\r
  90 }\r
  91 \r
  92 image_transform& image_transform::operator*=(const image_transform &other)\r
  93 {\r
  94         opacity_ *= other.opacity_;\r
  95         mode_ = other.mode_;\r
  96         gain_ *= other.gain_;\r
  97         fill_translation_[0] += other.fill_translation_[0]*fill_scale_[0];\r
  98         fill_translation_[1] += other.fill_translation_[1]*fill_scale_[1];\r
  99         fill_scale_[0] *= other.fill_scale_[0];\r
 100         fill_scale_[1] *= other.fill_scale_[1];\r
 101         key_translation_[0] += other.key_translation_[0]*key_scale_[0];\r
 102         key_translation_[1] += other.key_translation_[1]*key_scale_[1];\r
 103         key_scale_[0] *= other.key_scale_[0];\r
 104         key_scale_[1] *= other.key_scale_[1];\r
 105         return *this;\r
 106 }\r
 107 \r
 108 const image_transform image_transform::operator*(const image_transform &other) const\r
 109 {\r
 110         return image_transform(*this) *= other;\r
 111 }\r
 112 \r
 113 }}