1 /***************************************************************************
2 * Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com) *
3 * This file is part of kdenlive. See www.kdenlive.org. *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 ***************************************************************************/
15 #include <QMouseEvent>
21 #include "colorplaneexport.h"
22 #include "colortools.h"
24 #include "vectorscope.h"
25 #include "vectorscopegenerator.h"
27 const float P75 = .75;
28 const unsigned char DEFAULT_Y = 255;
29 //const unsigned int REALTIME_FPS = 15; // in fps.
31 const QPointF YUV_R(-.147, .615);
32 const QPointF YUV_G(-.289, -.515);
33 const QPointF YUV_B(.437, -.100);
34 const QPointF YUV_Cy(.147, -.615);
35 const QPointF YUV_Mg(.289, .515);
36 const QPointF YUV_Yl(-.437, .100);
38 const QPen penThick(QBrush(QColor(250,250,250)), 2, Qt::SolidLine);
39 const QPen penThin(QBrush(QColor(250,250,250)), 1, Qt::SolidLine);
40 const QPen penLight(QBrush(QColor(200,200,250,150)), 1, Qt::SolidLine);
41 const QPen penDark(QBrush(QColor(0,0,20,250)), 1, Qt::SolidLine);
44 Vectorscope::Vectorscope(Monitor *projMonitor, Monitor *clipMonitor, QWidget *parent) :
45 AbstractScopeWidget(projMonitor, clipMonitor, parent),
47 m_circleEnabled(false)
49 ui = new Ui::Vectorscope_UI();
52 //TODO don't draw circle when mouseLeaved
54 m_colorTools = new ColorTools();
55 m_colorPlaneExport = new ColorPlaneExport(this);
56 m_vectorscopeGenerator = new VectorscopeGenerator();
58 ui->paintMode->addItem(i18n("Green 2"), QVariant(VectorscopeGenerator::PaintMode_Green2));
59 ui->paintMode->addItem(i18n("Green"), QVariant(VectorscopeGenerator::PaintMode_Green));
60 ui->paintMode->addItem(i18n("Black"), QVariant(VectorscopeGenerator::PaintMode_Black));
61 ui->paintMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(VectorscopeGenerator::PaintMode_Chroma));
62 ui->paintMode->addItem(i18n("YUV"), QVariant(VectorscopeGenerator::PaintMode_YUV));
63 ui->paintMode->addItem(i18n("Original Color"), QVariant(VectorscopeGenerator::PaintMode_Original));
65 ui->backgroundMode->addItem(i18n("None"), QVariant(BG_NONE));
66 ui->backgroundMode->addItem(i18n("YUV"), QVariant(BG_YUV));
67 ui->backgroundMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(BG_CHROMA));
69 ui->sliderGain->setMinimum(0);
70 ui->sliderGain->setMaximum(40);
73 b &= connect(ui->backgroundMode, SIGNAL(currentIndexChanged(int)), this, SLOT(slotBackgroundChanged()));
74 b &= connect(ui->sliderGain, SIGNAL(valueChanged(int)), this, SLOT(slotGainChanged(int)));
75 b &= connect(ui->paintMode, SIGNAL(currentIndexChanged(int)), this, SLOT(forceUpdateScope()));
76 ui->sliderGain->setValue(0);
79 ///// Build context menu /////
81 m_menu->addSeparator();
83 m_aExportBackground = new QAction(i18n("Export background"), this);
84 m_menu->addAction(m_aExportBackground);
85 b &= connect(m_aExportBackground, SIGNAL(triggered()), this, SLOT(slotExportBackground()));
87 m_a75PBox = new QAction(i18n("75% box"), this);
88 m_a75PBox->setCheckable(true);
89 m_a75PBox->setChecked(false);
90 m_menu->addAction(m_a75PBox);
91 b &= connect(m_a75PBox, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
93 m_aAxisEnabled = new QAction(i18n("Draw axis"), this);
94 m_aAxisEnabled->setCheckable(true);
95 m_aAxisEnabled->setChecked(false);
96 m_menu->addAction(m_aAxisEnabled);
97 b &= connect(m_aAxisEnabled, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
102 this->setMouseTracking(true);
103 slotGainChanged(ui->sliderGain->value());
106 Vectorscope::~Vectorscope()
109 delete m_colorPlaneExport;
110 delete m_vectorscopeGenerator;
112 delete m_aExportBackground;
113 delete m_aAxisEnabled;
117 QString Vectorscope::widgetName() const {
118 return QString("Vectorscope");
121 QRect Vectorscope::scopeRect()
123 // Widget width/height
124 int ww = this->size().width();
125 int wh = this->size().height();
127 // Distance from top/left/right
130 // We want to paint below the controls area. The line is the lowest element.
131 QPoint topleft(offset, ui->line->y()+offset);
133 // Circle Width: min of width and height
134 cw = wh - topleft.y();
135 if (ww < cw) { cw = ww; }
138 QRect scopeRect(topleft, QPoint(cw, cw) + topleft);
140 m_centerPoint = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), QPointF(0,0));
141 pR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_R);
142 pG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_G);
143 pB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_B);
144 pCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Cy);
145 pMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Mg);
146 pYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Yl);
151 bool Vectorscope::isHUDDependingOnInput() const { return false; }
152 bool Vectorscope::isScopeDependingOnInput() const { return true; }
153 bool Vectorscope::isBackgroundDependingOnInput() const { return false; }
155 QImage Vectorscope::renderHUD(uint)
160 if (m_circleEnabled) {
161 // Mouse moved: Draw a circle over the scope
163 hud = QImage(m_scopeRect.size(), QImage::Format_ARGB32);
164 hud.fill(qRgba(0, 0, 0, 0));
166 QPainter davinci(&hud);
167 QPoint widgetCenterPoint = m_scopeRect.topLeft() + m_centerPoint;
169 int dx = -widgetCenterPoint.x()+m_mousePos.x();
170 int dy = widgetCenterPoint.y()-m_mousePos.y();
172 QPoint reference = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(1,0));
174 float r = sqrt(dx*dx + dy*dy);
175 float percent = (float) 100*r/VectorscopeGenerator::scaling/m_gain/(reference.x() - widgetCenterPoint.x());
177 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
179 davinci.setPen(penLight);
182 davinci.setPen(penDark);
185 davinci.drawEllipse(m_centerPoint, (int)r, (int)r);
186 davinci.setPen(penThin);
187 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()), i18n("%1 \%", QString::number(percent, 'f', 0)));
189 float angle = copysign(acos(dx/r)*180/M_PI, dy);
190 davinci.drawText(QPoint(10, m_scopeRect.height()), i18n("%1°", QString::number(angle, 'f', 1)));
192 m_circleEnabled = false;
194 hud = QImage(0, 0, QImage::Format_ARGB32);
196 emit signalHUDRenderingFinished(0, 1);
200 QImage Vectorscope::renderScope(uint accelerationFactor)
202 QTime start = QTime::currentTime();
206 qDebug() << "Scope size not known yet. Aborting.";
209 scope = m_vectorscopeGenerator->calculateVectorscope(m_scopeRect.size(),
210 m_activeRender->extractFrame(m_activeRender->seekFramePosition()),
211 m_gain, (VectorscopeGenerator::PaintMode) ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt(),
212 m_aAxisEnabled->isChecked(), accelerationFactor);
216 unsigned int mseconds = start.msecsTo(QTime::currentTime());
217 // qDebug() << "Scope rendered in " << mseconds << " ms. Sending finished signal.";
218 // emit signalScopeCalculationFinished(mseconds, skipPixels);
219 emit signalScopeRenderingFinished(mseconds, accelerationFactor);
220 // qDebug() << "xxScope: Signal finished sent.";
224 QImage Vectorscope::renderBackground(uint)
226 QTime start = QTime::currentTime();
230 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
232 qDebug() << "YUV background.";
233 bg = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, false, true);
236 bg = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 255, 1/VectorscopeGenerator::scaling, true, true);
239 qDebug() << "No background.";
240 bg = QImage(cw, cw, QImage::Format_ARGB32);
241 bg.fill(qRgba(0,0,0,0));
246 // Draw the vectorscope circle
247 QPainter davinci(&bg);
251 davinci.setRenderHint(QPainter::Antialiasing, true);
253 davinci.setPen(penThick);
254 davinci.drawEllipse(0, 0, cw, cw);
256 // Draw RGB/CMY points with 100% chroma
257 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_R);
258 davinci.drawEllipse(vinciPoint, 4,4);
259 davinci.drawText(vinciPoint-QPoint(20, -10), "R");
261 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_G);
262 davinci.drawEllipse(vinciPoint, 4,4);
263 davinci.drawText(vinciPoint-QPoint(20, 0), "G");
265 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_B);
266 davinci.drawEllipse(vinciPoint, 4,4);
267 davinci.drawText(vinciPoint+QPoint(15, 10), "B");
269 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Cy);
270 davinci.drawEllipse(vinciPoint, 4,4);
271 davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
273 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Mg);
274 davinci.drawEllipse(vinciPoint, 4,4);
275 davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
277 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Yl);
278 davinci.drawEllipse(vinciPoint, 4,4);
279 davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
281 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
283 davinci.setPen(penLight);
286 davinci.setPen(penDark);
291 if (m_aAxisEnabled->isChecked()) {
292 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,-.9)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,.9)));
293 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.9,0)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.9,0)));
297 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
299 davinci.setPen(penDark);
302 davinci.setPen(penThin);
305 davinci.drawEllipse(m_centerPoint, 5,5);
309 if (m_a75PBox->isChecked()) {
310 davinci.drawLine(pR75, pYl75);
311 davinci.drawLine(pYl75, pG75);
312 davinci.drawLine(pG75, pCy75);
313 davinci.drawLine(pCy75, pB75);
314 davinci.drawLine(pB75, pMg75);
315 davinci.drawLine(pMg75, pR75);
318 // Draw RGB/CMY points with 75% chroma (for NTSC)
319 davinci.setPen(penThin);
320 davinci.drawEllipse(pR75, 3,3);
321 davinci.drawEllipse(pG75, 3,3);
322 davinci.drawEllipse(pB75, 3,3);
323 davinci.drawEllipse(pCy75, 3,3);
324 davinci.drawEllipse(pMg75, 3,3);
325 davinci.drawEllipse(pYl75, 3,3);
327 // Draw realtime factor (number of skipped pixels)
328 if (m_aRealtime->isChecked()) {
329 davinci.setPen(penThin);
330 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()-15), QVariant(m_accelFactorScope).toString().append("x"));
333 emit signalBackgroundRenderingFinished(start.elapsed(), 1);
342 void Vectorscope::slotGainChanged(int newval)
344 m_gain = 1 + (float)newval/10;
345 ui->lblGain->setText(QString::number(m_gain, 'f', 1) + "x");
349 void Vectorscope::slotExportBackground()
351 qDebug() << "Exporting background";
352 m_colorPlaneExport->show();
356 void Vectorscope::slotBackgroundChanged()
358 // Background changed, switch to a suitable color mode now
360 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
362 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Black));
364 ui->paintMode->setCurrentIndex(index);
369 if (ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt() == VectorscopeGenerator::PaintMode_Black) {
370 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Green2));
371 ui->paintMode->setCurrentIndex(index);
375 forceUpdateBackground();
382 void Vectorscope::mouseMoveEvent(QMouseEvent *event)
384 // Draw a circle around the center,
385 // showing percentage number of the radius length
387 m_circleEnabled = true;
388 m_mousePos = event->pos();