2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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20 #include "../../stdafx.h"
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22 #include "color_producer.h"
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24 #include <core/producer/frame/write_frame.h>
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28 namespace caspar { namespace core {
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30 class color_producer : public frame_producer
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32 safe_ptr<basic_frame> frame_;
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33 const std::wstring color_str_;
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36 explicit color_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& color)
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38 , frame_(basic_frame::empty())
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40 if(color.length() != 9 || color[0] != '#')
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41 BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("color") << arg_value_info(narrow(color)) << msg_info("Invalid color code"));
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43 auto frame = frame_factory->create_frame(this, 1, 1, pixel_format::bgra);
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45 // Read color from hex-string and write to frame pixel.
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46 auto& value = *reinterpret_cast<unsigned long*>(frame->image_data().begin());
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47 std::wstringstream str(color_str_.substr(1));
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48 str >> std::hex >> value;
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50 frame_ = std::move(frame);
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55 virtual safe_ptr<basic_frame> receive() { return frame_; }
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56 virtual std::wstring print() const { return L"color[" + color_str_ + L"]"; }
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59 safe_ptr<frame_producer> create_color_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)
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61 if(params.empty() || params[0].at(0) != '#')
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62 return frame_producer::empty();
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63 return make_safe<color_producer>(frame_factory, params[0]);
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