namespace caspar { namespace core {
+draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, const std::vector<uint32_t>& values)
+{
+ core::pixel_format_desc desc(pixel_format::bgra);
+ desc.planes.push_back(core::pixel_format_desc::plane(static_cast<int>(values.size()), 1, 4));
+ auto frame = frame_factory->create_frame(tag, desc, core::audio_channel_layout::invalid());
+
+ for (int i = 0; i < values.size(); ++i)
+ *reinterpret_cast<uint32_t*>(frame.image_data(0).begin() + (i * 4)) = values.at(i);
+
+ return core::draw_frame(std::move(frame));
+}
+
+draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, uint32_t value)
+{
+ std::vector<uint32_t> values = { value };
+
+ return create_color_frame(tag, frame_factory, values);
+}
+
+draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, const std::vector<std::wstring>& strs)
+{
+ std::vector<uint32_t> values(strs.size());
+
+ for (int i = 0; i < values.size(); ++i)
+ {
+ if (!try_get_color(strs.at(i), values.at(i)))
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Invalid color: " + strs.at(i)));
+ }
+
+ return create_color_frame(tag, frame_factory, values);
+}
+
class color_producer : public frame_producer_base
{
monitor::subject monitor_subject_;
CASPAR_LOG(info) << print() << L" Initialized";
}
-
- color_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& color)
- : color_str_(color)
- , constraints_(1, 1)
- , frame_(create_color_frame(this, frame_factory, color))
+ color_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& colors)
+ : color_str_(boost::join(colors, L", "))
+ , constraints_(static_cast<int>(colors.size()), 1)
+ , frame_(create_color_frame(this, frame_factory, colors))
{
CASPAR_LOG(info) << print() << L" Initialized";
}
// frame_producer
-
+
draw_frame receive_impl() override
{
monitor_subject_ << monitor::message("color") % color_str_;
{
return constraints_;
}
-
+
std::wstring print() const override
{
return L"color[" + color_str_ + L"]";
{
return L"color";
}
-
+
boost::property_tree::wptree info() const override
{
boost::property_tree::wptree info;
return info;
}
- monitor::subject& monitor_output() override {return monitor_subject_;}
+ monitor::subject& monitor_output() override {return monitor_subject_;}
};
std::wstring get_hex_color(const std::wstring& str)
{
if(str.at(0) == '#')
return str.length() == 7 ? L"#FF" + str.substr(1) : str;
-
+
std::wstring col_str = boost::to_upper_copy(str);
if(col_str == L"EMPTY")
if(col_str == L"BLACK")
return L"#FF000000";
-
+
if(col_str == L"WHITE")
return L"#FFFFFFFF";
-
+
if(col_str == L"RED")
return L"#FFFF0000";
-
+
if(col_str == L"GREEN")
return L"#FF00FF00";
-
+
if(col_str == L"BLUE")
- return L"#FF0000FF";
-
+ return L"#FF0000FF";
+
if(col_str == L"ORANGE")
- return L"#FFFFA500";
-
+ return L"#FFFFA500";
+
if(col_str == L"YELLOW")
return L"#FFFFFF00";
-
+
if(col_str == L"BROWN")
return L"#FFA52A2A";
-
+
if(col_str == L"GRAY")
return L"#FF808080";
-
+
if(col_str == L"TEAL")
return L"#FF008080";
-
+
return str;
}
std::wstringstream ss(color_str.substr(1));
if(!(ss >> std::hex >> value) || !ss.eof())
return false;
-
+
return true;
}
void describe_color_producer(core::help_sink& sink, const core::help_repository& repo)
{
- sink.short_description(L"Fills a layer with a solid color.");
+ sink.short_description(L"Fills a layer with a solid color or a horizontal gradient.");
sink.syntax(
L"{#[argb_hex_value:string]}"
L",{#[rgb_hex_value:string]}"
- L",{[named_color:EMPTY,BLACK,WHITE,RED,GREEN,BLUE,ORANGE,YELLOW,BROWN,GRAY,TEAL]}");
- sink.para()->text(L"A producer that fills a layer with a solid color.");
+ L",{[named_color:EMPTY,BLACK,WHITE,RED,GREEN,BLUE,ORANGE,YELLOW,BROWN,GRAY,TEAL]} "
+ L"{...more colors}");
+ sink.para()->text(L"A producer that fills a layer with a solid color. If more than one color is specified it becomes a gradient between those colors.");
sink.para()
->text(L"If a ")->code(L"#")
->text(L" sign followed by an 8 character hexadecimal number is given it is interpreted as an 8-bit per channel ARGB color. ")
sink.para()
->strong(L"Note")->text(L" that it is important that all RGB values are multiplied with the alpha ")
->text(L"at all times, otherwise the compositing in the mixer will be incorrect.");
- sink.para()->text(L"Examples:");
+ sink.para()->text(L"Solid color examples:");
sink.example(L"PLAY 1-10 EMPTY", L"For a completely transparent frame.");
sink.example(L"PLAY 1-10 #00000000", L"For an explicitly defined completely transparent frame.");
sink.example(L"PLAY 1-10 #000000", L"For an explicitly defined completely opaque black frame.");
sink.example(L"PLAY 1-10 #7F007F00",
L"For a completely green half transparent frame. "
L"Since the RGB part has been premultiplied with the A part this is 100% green.");
+ sink.para()->text(L"Horizontal gradient examples:");
+ sink.example(L"PLAY 1-10 WHITE BLACK", L"For a gradient between white and black.");
+ sink.example(L"PLAY 1-10 WHITE WHITE WHITE BLACK", L"For a gradient between white and black with the white part beings 3 times as long as the black part.");
+ sink.example(
+ L"PLAY 1-10 RED EMPTY\n"
+ L"MIXER 1-10 ANCHOR 0.5 0.5\n"
+ L"MIXER 1-10 FILL 0.5 0.5 2 2\n"
+ L"MIXER 1-10 ROTATION 45",
+ L"For a 45 degree gradient covering the screen.");
}
spl::shared_ptr<frame_producer> create_color_producer(const spl::shared_ptr<frame_factory>& frame_factory, uint32_t value)
if(!try_get_color(params.at(0), value))
return core::frame_producer::empty();
- return spl::make_shared<color_producer>(frame_factory, params.at(0));
-}
-
-draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, uint32_t value)
-{
- core::pixel_format_desc desc(pixel_format::bgra);
- desc.planes.push_back(core::pixel_format_desc::plane(1, 1, 4));
- auto frame = frame_factory->create_frame(tag, desc, core::audio_channel_layout::invalid());
-
- *reinterpret_cast<uint32_t*>(frame.image_data(0).begin()) = value;
+ std::vector<std::wstring> colors;
- return core::draw_frame(std::move(frame));
-}
+ for (auto& param : params)
+ {
+ if (try_get_color(param, value))
+ colors.push_back(param);
+ }
-draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, const std::wstring& str)
-{
- uint32_t value = 0;
- if(!try_get_color(str, value))
- CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Invalid color: " + str));
-
- return create_color_frame(tag, frame_factory, value);
+ return spl::make_shared<color_producer>(frame_factory, colors);
}
}}
projects / casparcg / commitdiff