2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG.
\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
20 #include "../../stdafx.h"
\r
22 #include "color_producer.h"
\r
24 #include "../frame/basic_frame.h"
\r
25 #include "../../mixer/write_frame.h"
\r
29 namespace caspar { namespace core {
\r
31 class color_producer : public frame_producer
\r
33 safe_ptr<basic_frame> frame_;
\r
34 const std::wstring color_str_;
\r
37 explicit color_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& color)
\r
39 , frame_(create_color_frame(this, frame_factory, color))
\r
44 virtual safe_ptr<basic_frame> receive() { return frame_; }
\r
45 virtual safe_ptr<basic_frame> last_frame() const { return frame_; }
\r
46 virtual std::wstring print() const { return L"color[" + color_str_ + L"]"; }
\r
49 safe_ptr<frame_producer> create_color_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)
\r
51 if(params.empty() || params[0].at(0) != '#')
\r
52 return frame_producer::empty();
\r
53 return make_safe<color_producer>(frame_factory, params[0]);
\r
56 safe_ptr<core::write_frame> create_color_frame(void* tag, const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& color)
\r
58 if(color.length() != 9 || color[0] != '#')
\r
59 BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("color") << arg_value_info(narrow(color)) << msg_info("Invalid color code"));
\r
61 auto frame = frame_factory->create_frame(tag, 1, 1, pixel_format::bgra);
\r
63 // Read color from hex-string and write to frame pixel.
\r
64 auto& value = *reinterpret_cast<uint32_t*>(frame->image_data().begin());
\r
65 std::wstringstream str(color.substr(1));
\r
66 str >> std::hex >> value;
\r