2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG (www.casparcg.com).
\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
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
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
19 * Author: Robert Nagy, ronag89@gmail.com
\r
22 #include "../../stdafx.h"
\r
24 #include "color_producer.h"
\r
26 #include <core/producer/frame_producer.h>
\r
27 #include <core/frame/frame.h>
\r
28 #include <core/frame/draw_frame.h>
\r
29 #include <core/frame/frame_factory.h>
\r
30 #include <core/frame/pixel_format.h>
\r
31 #include <core/monitor/monitor.h>
\r
33 #include <common/except.h>
\r
34 #include <common/array.h>
\r
36 #include <boost/algorithm/string.hpp>
\r
40 namespace caspar { namespace core {
\r
42 class color_producer : public frame_producer_base
\r
44 monitor::basic_subject event_subject_;
\r
47 const std::wstring color_str_;
\r
50 explicit color_producer(const spl::shared_ptr<core::frame_factory>& frame_factory, const std::wstring& color)
\r
52 , frame_(create_color_frame(this, frame_factory, color))
\r
54 CASPAR_LOG(info) << print() << L" Initialized";
\r
59 draw_frame receive_impl() override
\r
61 event_subject_ << monitor::event("color") % color_str_;
\r
66 std::wstring print() const override
\r
68 return L"color[" + color_str_ + L"]";
\r
71 std::wstring name() const override
\r
76 boost::property_tree::wptree info() const override
\r
78 boost::property_tree::wptree info;
\r
79 info.add(L"type", L"color");
\r
80 info.add(L"color", color_str_);
\r
84 void subscribe(const monitor::observable::observer_ptr& o) override
\r
86 return event_subject_.subscribe(o);
\r
89 void unsubscribe(const monitor::observable::observer_ptr& o) override
\r
91 return event_subject_.unsubscribe(o);
\r
95 std::wstring get_hex_color(const std::wstring& str)
\r
97 if(str.at(0) == '#')
\r
98 return str.length() == 7 ? L"#FF" + str.substr(1) : str;
\r
100 if(boost::iequals(str, L"EMPTY"))
\r
101 return L"#00000000";
\r
103 if(boost::iequals(str, L"BLACK"))
\r
104 return L"#FF000000";
\r
106 if(boost::iequals(str, L"WHITE"))
\r
107 return L"#FFFFFFFF";
\r
109 if(boost::iequals(str, L"RED"))
\r
110 return L"#FFFF0000";
\r
112 if(boost::iequals(str, L"GREEN"))
\r
113 return L"#FF00FF00";
\r
115 if(boost::iequals(str, L"BLUE"))
\r
116 return L"#FF0000FF";
\r
118 if(boost::iequals(str, L"ORANGE"))
\r
119 return L"#FFFFA500";
\r
121 if(boost::iequals(str, L"YELLOW"))
\r
122 return L"#FFFFFF00";
\r
124 if(boost::iequals(str, L"BROWN"))
\r
125 return L"#FFA52A2A";
\r
127 if(boost::iequals(str, L"GRAY"))
\r
128 return L"#FF808080";
\r
130 if(boost::iequals(str, L"TEAL"))
\r
131 return L"#FF008080";
\r
136 spl::shared_ptr<frame_producer> create_color_producer(const spl::shared_ptr<frame_factory>& frame_factory, const std::vector<std::wstring>& params)
\r
138 if(params.size() < 0)
\r
139 return core::frame_producer::empty();
\r
141 auto color2 = get_hex_color(params[0]);
\r
142 if(color2.length() != 9 || color2[0] != '#')
\r
143 return core::frame_producer::empty();
\r
145 return spl::make_shared<color_producer>(frame_factory, color2);
\r
148 draw_frame create_color_frame(void* tag, const spl::shared_ptr<frame_factory>& frame_factory, const std::wstring& color)
\r
150 auto color2 = get_hex_color(color);
\r
151 if(color2.length() != 9 || color2[0] != '#')
\r
152 CASPAR_THROW_EXCEPTION(invalid_argument() << arg_name_info("color") << arg_value_info(color2) << msg_info("Invalid color."));
\r
154 core::pixel_format_desc desc(pixel_format::bgra);
\r
155 desc.planes.push_back(core::pixel_format_desc::plane(1, 1, 4));
\r
156 auto frame = frame_factory->create_frame(tag, desc);
\r
158 // Read color from hex-string and write to frame pixel.
\r
160 auto& value = *reinterpret_cast<uint32_t*>(frame.image_data(0).begin());
\r
161 std::wstringstream str(color2.substr(1));
\r
162 if(!(str >> std::hex >> value) || !str.eof())
\r
163 CASPAR_THROW_EXCEPTION(invalid_argument() << arg_name_info("color") << arg_value_info(color2) << msg_info("Invalid color."));
\r
165 return core::draw_frame(std::move(frame));
\r