2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG (www.casparcg.com).
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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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19 * Author: Robert Nagy, ronag89@gmail.com
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22 #include "../stdafx.h"
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26 #pragma warning (disable : 4244)
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28 #include "../executor.h"
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29 #include "../lock.h"
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32 #include <SFML/Graphics.hpp>
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34 #include <boost/foreach.hpp>
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35 #include <boost/optional.hpp>
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36 #include <boost/circular_buffer.hpp>
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37 #include <boost/range/algorithm_ext/erase.hpp>
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39 #include <tbb/concurrent_unordered_map.h>
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40 #include <tbb/atomic.h>
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41 #include <tbb/spin_mutex.h>
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47 namespace caspar { namespace diagnostics {
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49 int color(float r, float g, float b, float a)
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52 code |= static_cast<int>(r*255.0f+0.5f) << 24;
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53 code |= static_cast<int>(g*255.0f+0.5f) << 16;
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54 code |= static_cast<int>(b*255.0f+0.5f) << 8;
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55 code |= static_cast<int>(a*255.0f+0.5f) << 0;
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59 std::tuple<float, float, float, float> color(int code)
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61 float r = static_cast<float>((code >> 24) & 255)/255.0f;
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62 float g = static_cast<float>((code >> 16) & 255)/255.0f;
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63 float b = static_cast<float>((code >> 8) & 255)/255.0f;
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64 float a = static_cast<float>((code >> 0) & 255)/255.0f;
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65 return std::make_tuple(r, g, b, a);
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68 struct drawable : public sf::Drawable
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70 virtual ~drawable(){}
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71 virtual void render(sf::RenderTarget& target) = 0;
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72 virtual void Render(sf::RenderTarget& target) const { const_cast<drawable*>(this)->render(target);}
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75 class context : public drawable
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77 std::unique_ptr<sf::RenderWindow> window_;
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79 std::list<std::weak_ptr<drawable>> drawables_;
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84 static void register_drawable(const std::shared_ptr<drawable>& drawable)
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89 get_instance().executor_.begin_invoke([=]
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91 get_instance().do_register_drawable(drawable);
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92 }, task_priority::high_priority);
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95 static void show(bool value)
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97 get_instance().executor_.begin_invoke([=]
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99 get_instance().do_show(value);
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100 }, task_priority::high_priority);
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104 context() : executor_(L"diagnostics")
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106 executor_.begin_invoke([=]
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108 SetThreadPriority(GetCurrentThread(), BELOW_NORMAL_PRIORITY_CLASS);
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112 void do_show(bool value)
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118 window_.reset(new sf::RenderWindow(sf::VideoMode(750, 750), "CasparCG Diagnostics"));
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119 window_->SetPosition(0, 0);
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120 window_->SetActive();
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121 glEnable(GL_BLEND);
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122 glEnable(GL_LINE_SMOOTH);
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123 glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
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124 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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138 while(window_->GetEvent(e))
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140 if(e.Type == sf::Event::Closed)
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146 glClear(GL_COLOR_BUFFER_BIT);
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147 window_->Draw(*this);
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148 window_->Display();
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149 boost::this_thread::sleep(boost::posix_time::milliseconds(10));
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150 executor_.begin_invoke([this]{tick();});
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153 void render(sf::RenderTarget& target)
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155 auto count = std::max<size_t>(8, drawables_.size());
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156 float target_dy = 1.0f/static_cast<float>(count);
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158 float last_y = 0.0f;
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160 for(auto it = drawables_.begin(); it != drawables_.end(); ++n)
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162 auto drawable = it->lock();
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165 drawable->SetScale(static_cast<float>(window_->GetWidth()), static_cast<float>(target_dy*window_->GetHeight()));
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166 float target_y = std::max(last_y, static_cast<float>(n * window_->GetHeight())*target_dy);
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167 drawable->SetPosition(0.0f, target_y);
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168 target.Draw(*drawable);
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172 it = drawables_.erase(it);
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176 void do_register_drawable(const std::shared_ptr<drawable>& drawable)
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178 drawables_.push_back(drawable);
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179 auto it = drawables_.begin();
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180 while(it != drawables_.end())
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185 it = drawables_.erase(it);
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189 static context& get_instance()
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191 static context impl;
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196 class line : public drawable
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198 boost::circular_buffer<std::pair<float, bool>> line_data_;
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200 tbb::atomic<float> tick_data_;
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201 tbb::atomic<bool> tick_tag_;
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202 tbb::atomic<int> color_;
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204 line(size_t res = 1200)
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207 tick_data_ = -1.0f;
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208 color_ = 0xFFFFFFFF;
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211 line_data_.push_back(std::make_pair(-1.0f, false));
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214 void set_value(float value)
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216 tick_data_ = value;
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224 void set_color(int color)
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234 void render(sf::RenderTarget& target)
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236 float dx = 1.0f/static_cast<float>(line_data_.capacity());
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237 float x = static_cast<float>(line_data_.capacity()-line_data_.size())*dx;
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239 line_data_.push_back(std::make_pair(tick_data_, tick_tag_));
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242 glBegin(GL_LINE_STRIP);
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243 auto c = color(color_);
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244 glColor4f(std::get<0>(c), std::get<1>(c), std::get<2>(c), 0.8f);
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245 for(size_t n = 0; n < line_data_.size(); ++n)
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246 if(line_data_[n].first > -0.5)
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247 glVertex3d(x+n*dx, std::max(0.05, std::min(0.95, (1.0f-line_data_[n].first)*0.8 + 0.1f)), 0.0);
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250 glEnable(GL_LINE_STIPPLE);
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251 glLineStipple(3, 0xAAAA);
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252 for(size_t n = 0; n < line_data_.size(); ++n)
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254 if(line_data_[n].second)
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256 glBegin(GL_LINE_STRIP);
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257 glVertex3f(x+n*dx, 0.0f, 0.0f);
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258 glVertex3f(x+n*dx, 1.0f, 0.0f);
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262 glDisable(GL_LINE_STIPPLE);
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266 struct graph::impl : public drawable
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268 tbb::concurrent_unordered_map<std::string, diagnostics::line> lines_;
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270 tbb::spin_mutex mutex_;
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271 std::wstring text_;
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277 void set_text(const std::wstring& value)
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282 text_ = std::move(temp);
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286 void set_value(const std::string& name, double value)
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288 lines_[name].set_value(value);
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291 void set_tag(const std::string& name)
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293 lines_[name].set_tag();
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296 void set_color(const std::string& name, int color)
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298 lines_[name].set_color(color);
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302 void render(sf::RenderTarget& target)
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304 const size_t text_size = 15;
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305 const size_t text_margin = 2;
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306 const size_t text_offset = (text_size+text_margin*2)*2;
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308 std::wstring text_str;
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310 tbb::spin_mutex::scoped_lock lock(mutex_);
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314 sf::String text(text_str.c_str(), sf::Font::GetDefaultFont(), text_size);
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315 text.SetStyle(sf::String::Italic);
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316 text.Move(text_margin, text_margin);
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319 glScaled(1.0f/GetScale().x, 1.0f/GetScale().y, 1.0f);
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321 float x_offset = text_margin;
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322 for(auto it = lines_.begin(); it != lines_.end(); ++it)
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324 sf::String line_text(it->first, sf::Font::GetDefaultFont(), text_size);
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325 line_text.SetPosition(x_offset, text_margin+text_offset/2);
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326 auto c = it->second.get_color();
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327 line_text.SetColor(sf::Color((c >> 24) & 255, (c >> 16) & 255, (c >> 8) & 255, (c >> 0) & 255));
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328 target.Draw(line_text);
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329 x_offset = line_text.GetRect().Right + text_margin*2;
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332 glDisable(GL_TEXTURE_2D);
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336 glColor4f(1.0f, 1.0f, 1.0f, 0.2f);
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337 glVertex2f(1.0f, 0.99f);
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338 glVertex2f(0.0f, 0.99f);
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339 glVertex2f(0.0f, 0.01f);
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340 glVertex2f(1.0f, 0.01f);
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344 glTranslated(0.0f, text_offset/GetScale().y, 1.0f);
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345 glScaled(1.0f, 1.0-text_offset/GetScale().y, 1.0f);
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347 glEnable(GL_LINE_STIPPLE);
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348 glLineStipple(3, 0xAAAA);
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349 glColor4f(1.0f, 1.0f, 1.9f, 0.5f);
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350 glBegin(GL_LINE_STRIP);
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351 glVertex3f(0.0f, (1.0f-0.5f) * 0.8f + 0.1f, 0.0f);
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352 glVertex3f(1.0f, (1.0f-0.5f) * 0.8f + 0.1f, 0.0f);
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354 glBegin(GL_LINE_STRIP);
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355 glVertex3f(0.0f, (1.0f-0.0f) * 0.8f + 0.1f, 0.0f);
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356 glVertex3f(1.0f, (1.0f-0.0f) * 0.8f + 0.1f, 0.0f);
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358 glBegin(GL_LINE_STRIP);
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359 glVertex3f(0.0f, (1.0f-1.0f) * 0.8f + 0.1f, 0.0f);
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360 glVertex3f(1.0f, (1.0f-1.0f) * 0.8f + 0.1f, 0.0f);
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362 glDisable(GL_LINE_STIPPLE);
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364 //target.Draw(diagnostics::guide(1.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));
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365 //target.Draw(diagnostics::guide(0.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));
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367 for(auto it = lines_.begin(); it != lines_.end(); ++it)
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368 target.Draw(it->second);
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374 impl& operator=(impl&);
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377 graph::graph() : impl_(new impl())
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381 void graph::set_text(const std::wstring& value){impl_->set_text(value);}
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382 void graph::set_value(const std::string& name, double value){impl_->set_value(name, value);}
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383 void graph::set_color(const std::string& name, int color){impl_->set_color(name, color);}
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384 void graph::set_tag(const std::string& name){impl_->set_tag(name);}
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386 void register_graph(const spl::shared_ptr<graph>& graph)
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388 context::register_drawable(graph->impl_);
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391 void show_graphs(bool value)
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393 context::show(value);
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399 //struct line::impl
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401 // std::wstring name_;
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402 // boost::circular_buffer<data> ticks_;
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404 // impl(const std::wstring& name)
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406 // , ticks_(1024){}
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408 // void set_value(float value)
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410 // ticks_.push_back();
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411 // ticks_.back().value = value;
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414 // void set_value(float value)
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417 // set_value(value);
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422 //line::line(const std::wstring& name) : impl_(new impl(name)){}
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423 //std::wstring line::print() const {return impl_->name_;}
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424 //void line::set_value(float value){impl_->set_value(value);}
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425 //void line::set_value(float value){impl_->set_value(value);}
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426 //boost::circular_buffer<data>& line::ticks() { return impl_->ticks_;}
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428 //struct graph::impl
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430 // std::map<std::wstring, line> lines_;
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432 // printer printer_;
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434 // impl(const std::wstring& name)
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435 // : printer_([=]{return name;}){}
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437 // impl(const printer& parent_printer)
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438 // : printer_(parent_printer){}
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440 // void set_value(const std::wstring& name, float value)
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442 // auto it = lines_.find(name);
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443 // if(it == lines_.end())
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444 // it = lines_.insert(std::make_pair(name, line(name))).first;
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446 // it->second.set_value(value);
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449 // void set_value(const std::wstring& name, float value)
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451 // auto it = lines_.find(name);
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452 // if(it == lines_.end())
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453 // it = lines_.insert(std::make_pair(name, line(name))).first;
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455 // it->second.set_value(value);
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458 // void set_color(const std::wstring& name, color color)
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463 // std::map<std::wstring, line>& get_lines()
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468 // color get_color() const
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473 // std::wstring print() const
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475 // return printer_ ? printer_() : L"graph";
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479 //graph::graph(const std::wstring& name) : impl_(new impl(name)){}
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480 //graph::graph(const printer& parent_printer) : impl_(new impl(parent_printer)){}
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481 //void graph::set_value(const std::wstring& name, float value){impl_->set_value(name, value);}
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482 //void graph::set_value(const std::wstring& name, float value){impl_->set_value(name, value);}
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483 //void graph::set_color(const std::wstring& name, color c){impl_->set_color(name, c);}
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484 //color graph::get_color() const {return impl_->get_color();}
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485 //std::wstring graph::print() const {return impl_->print();}
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487 //spl::shared_ptr<graph> graph::clone() const
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489 // spl::shared_ptr<graph> clone(new graph(std::wstring(L"")));
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490 // clone->impl_->printer_ = impl_->printer_;
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491 // clone->impl_->lines_ = impl_->lines_;
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492 // clone->impl_->color_ = impl_->color_;
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495 //std::map<std::wstring, line>& graph::get_lines() {impl_->get_lines();}
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497 //std::vector<spl::shared_ptr<graph>> g_graphs;
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499 //spl::shared_ptr<graph> create_graph(const std::string& name)
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501 // g_graphs.push_back(spl::make_shared<graph>(name));
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502 // return g_graphs.back();
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505 //spl::shared_ptr<graph> create_graph(const printer& parent_printer)
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507 // g_graphs.push_back(spl::make_shared<graph>(parent_printer));
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508 // return g_graphs.back();
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511 //static std::vector<spl::shared_ptr<graph>> get_all_graphs()
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513 // std::vector<spl::shared_ptr<graph>> graphs;
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514 // BOOST_FOREACH(auto& graph, g_graphs)
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515 // graphs.push_back(graph->clone());
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