git.sesse.net Git - casparcg/blob - core/processor/draw_frame.cpp

   1 #include "../stdafx.h"\r
   2 \r
   3 #include "draw_frame.h"\r
   4 \r
   5 #include "frame_shader.h"\r
   6 \r
   7 namespace caspar { namespace core {\r
   8         \r
   9 draw_frame::draw_frame() : type_(empty_tag){}\r
  10 draw_frame::draw_frame(const draw_frame& other) : impl_(other.impl_), type_(other.type_){}\r
  11 draw_frame::draw_frame(draw_frame&& other) : impl_(std::move(other.impl_)), type_(other.type_)\r
  12 {\r
  13         other.type_ = empty_tag;\r
  14 }\r
  15 \r
  16 const std::vector<short>& draw_frame::audio_data() const \r
  17 {\r
  18         static std::vector<short> no_audio;\r
  19         return impl_ ? impl_->audio_data() : no_audio;\r
  20 }       \r
  21 \r
  22 void draw_frame::swap(draw_frame& other)\r
  23 {\r
  24         impl_.swap(other.impl_);\r
  25         std::swap(type_, other.type_);\r
  26 }\r
  27         \r
  28 void draw_frame::begin_write()\r
  29 {\r
  30         if(impl_)\r
  31                 impl_->begin_write();\r
  32 }\r
  33 \r
  34 void draw_frame::end_write()\r
  35 {\r
  36         if(impl_)\r
  37                 impl_->end_write();\r
  38 }\r
  39 \r
  40 void draw_frame::draw(frame_shader& shader)\r
  41 {\r
  42         if(impl_)\r
  43                 impl_->draw(shader);\r
  44 }\r
  45 \r
  46 eof_frame draw_frame::eof(){return eof_frame();}\r
  47 empty_frame draw_frame::empty(){return empty_frame();}\r
  48         \r
  49 bool draw_frame::operator==(const eof_frame&){return type_ == eof_tag;}\r
  50 bool draw_frame::operator==(const empty_frame&){return type_ == empty_tag;}\r
  51 bool draw_frame::operator==(const draw_frame& other){return impl_ == other.impl_ && type_ == other.type_;}\r
  52         \r
  53 draw_frame& draw_frame::operator=(const draw_frame& other)\r
  54 {\r
  55         draw_frame temp(other);\r
  56         temp.swap(*this);\r
  57         return *this;\r
  58 }\r
  59 draw_frame& draw_frame::operator=(draw_frame&& other)\r
  60 {\r
  61         impl_ = std::move(other.impl_);\r
  62         type_ = other.type_;\r
  63         other.type_ = empty_tag;\r
  64         return *this;\r
  65 }\r
  66 draw_frame& draw_frame::operator=(eof_frame&&)\r
  67 {\r
  68         impl_ = nullptr;\r
  69         type_ = eof_tag;\r
  70         return *this;\r
  71 }       \r
  72 draw_frame& draw_frame::operator=(empty_frame&&)\r
  73 {\r
  74         impl_ = nullptr;\r
  75         type_ = empty_tag;\r
  76         return *this;\r
  77 }       \r
  78 \r
  79 }}