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;
30 const QPointF YUV_R(-.147, .615);
31 const QPointF YUV_G(-.289, -.515);
32 const QPointF YUV_B(.437, -.100);
33 const QPointF YUV_Cy(.147, -.615);
34 const QPointF YUV_Mg(.289, .515);
35 const QPointF YUV_Yl(-.437, .100);
37 const QPen penThick(QBrush(QColor(250,250,250)), 2, Qt::SolidLine);
38 const QPen penThin(QBrush(QColor(250,250,250)), 1, Qt::SolidLine);
39 const QPen penLight(QBrush(QColor(200,200,250,150)), 1, Qt::SolidLine);
40 const QPen penDark(QBrush(QColor(0,0,20,250)), 1, Qt::SolidLine);
43 Vectorscope::Vectorscope(Monitor *projMonitor, Monitor *clipMonitor, QWidget *parent) :
44 AbstractScopeWidget(projMonitor, clipMonitor, parent),
46 m_circleEnabled(false)
48 ui = new Ui::Vectorscope_UI();
51 m_colorTools = new ColorTools();
52 m_colorPlaneExport = new ColorPlaneExport(this);
53 m_vectorscopeGenerator = new VectorscopeGenerator();
55 ui->paintMode->addItem(i18n("Green 2"), QVariant(VectorscopeGenerator::PaintMode_Green2));
56 ui->paintMode->addItem(i18n("Green"), QVariant(VectorscopeGenerator::PaintMode_Green));
57 ui->paintMode->addItem(i18n("Black"), QVariant(VectorscopeGenerator::PaintMode_Black));
58 ui->paintMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(VectorscopeGenerator::PaintMode_Chroma));
59 ui->paintMode->addItem(i18n("YUV"), QVariant(VectorscopeGenerator::PaintMode_YUV));
60 ui->paintMode->addItem(i18n("Original Color"), QVariant(VectorscopeGenerator::PaintMode_Original));
62 ui->backgroundMode->addItem(i18n("None"), QVariant(BG_NONE));
63 ui->backgroundMode->addItem(i18n("YUV"), QVariant(BG_YUV));
64 ui->backgroundMode->addItem(i18n("Modified YUV (Chroma)"), QVariant(BG_CHROMA));
66 ui->sliderGain->setMinimum(0);
67 ui->sliderGain->setMaximum(40);
70 b &= connect(ui->backgroundMode, SIGNAL(currentIndexChanged(int)), this, SLOT(slotBackgroundChanged()));
71 b &= connect(ui->sliderGain, SIGNAL(valueChanged(int)), this, SLOT(slotGainChanged(int)));
72 b &= connect(ui->paintMode, SIGNAL(currentIndexChanged(int)), this, SLOT(forceUpdateScope()));
73 ui->sliderGain->setValue(0);
76 ///// Build context menu /////
78 m_menu->addSeparator();
80 m_aExportBackground = new QAction(i18n("Export background"), this);
81 m_menu->addAction(m_aExportBackground);
82 b &= connect(m_aExportBackground, SIGNAL(triggered()), this, SLOT(slotExportBackground()));
84 m_a75PBox = new QAction(i18n("75% box"), this);
85 m_a75PBox->setCheckable(true);
86 m_a75PBox->setChecked(false);
87 m_menu->addAction(m_a75PBox);
88 b &= connect(m_a75PBox, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
90 m_aAxisEnabled = new QAction(i18n("Draw axis"), this);
91 m_aAxisEnabled->setCheckable(true);
92 m_aAxisEnabled->setChecked(false);
93 m_menu->addAction(m_aAxisEnabled);
94 b &= connect(m_aAxisEnabled, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
99 this->setMouseTracking(true);
100 slotGainChanged(ui->sliderGain->value());
105 Vectorscope::~Vectorscope()
110 delete m_colorPlaneExport;
111 delete m_vectorscopeGenerator;
113 delete m_aExportBackground;
114 delete m_aAxisEnabled;
118 QString Vectorscope::widgetName() const { return QString("Vectorscope"); }
120 void Vectorscope::readConfig()
122 AbstractScopeWidget::readConfig();
124 KSharedConfigPtr config = KGlobal::config();
125 KConfigGroup scopeConfig(config, configName());
126 m_a75PBox->setChecked(scopeConfig.readEntry("75PBox", false));
127 m_aAxisEnabled->setChecked(scopeConfig.readEntry("axis", false));
128 ui->backgroundMode->setCurrentIndex(scopeConfig.readEntry("backgroundmode").toInt());
129 ui->paintMode->setCurrentIndex(scopeConfig.readEntry("paintmode").toInt());
132 void Vectorscope::writeConfig()
134 KSharedConfigPtr config = KGlobal::config();
135 KConfigGroup scopeConfig(config, configName());
136 scopeConfig.writeEntry("75PBox", m_a75PBox->isChecked());
137 scopeConfig.writeEntry("axis", m_aAxisEnabled->isChecked());
138 scopeConfig.writeEntry("backgroundmode", ui->backgroundMode->currentIndex());
139 scopeConfig.writeEntry("paintMode", ui->paintMode->currentIndex());
143 QRect Vectorscope::scopeRect()
145 // Distance from top/left/right
148 // We want to paint below the controls area. The line is the lowest element.
149 QPoint topleft(offset, ui->verticalSpacer->geometry().y()+offset);
150 QPoint bottomright(ui->horizontalSpacer->geometry().right()-offset, this->size().height()-offset);
152 QRect scopeRect(topleft, bottomright);
154 // Circle Width: min of width and height
155 cw = (scopeRect.height() < scopeRect.width()) ? scopeRect.height() : scopeRect.width();
156 scopeRect.setWidth(cw);
157 scopeRect.setHeight(cw);
160 m_centerPoint = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), QPointF(0,0));
161 pR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_R);
162 pG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_G);
163 pB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_B);
164 pCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Cy);
165 pMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Mg);
166 pYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Yl);
171 bool Vectorscope::isHUDDependingOnInput() const { return false; }
172 bool Vectorscope::isScopeDependingOnInput() const { return true; }
173 bool Vectorscope::isBackgroundDependingOnInput() const { return false; }
175 QImage Vectorscope::renderHUD(uint)
180 if (m_circleEnabled) {
181 // Mouse moved: Draw a circle over the scope
183 hud = QImage(m_scopeRect.size(), QImage::Format_ARGB32);
184 hud.fill(qRgba(0, 0, 0, 0));
186 QPainter davinci(&hud);
187 QPoint widgetCenterPoint = m_scopeRect.topLeft() + m_centerPoint;
189 int dx = -widgetCenterPoint.x()+m_mousePos.x();
190 int dy = widgetCenterPoint.y()-m_mousePos.y();
192 QPoint reference = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(1,0));
194 float r = sqrt(dx*dx + dy*dy);
195 float percent = (float) 100*r/VectorscopeGenerator::scaling/m_gain/(reference.x() - widgetCenterPoint.x());
197 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
199 davinci.setPen(penLight);
203 davinci.setPen(penLight);
205 davinci.setPen(penDark);
209 davinci.drawEllipse(m_centerPoint, (int)r, (int)r);
210 davinci.setPen(penThin);
211 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()), i18n("%1 \%", QString::number(percent, 'f', 0)));
213 float angle = copysign(acos(dx/r)*180/M_PI, dy);
214 davinci.drawText(QPoint(10, m_scopeRect.height()), i18n("%1°", QString::number(angle, 'f', 1)));
216 m_circleEnabled = false;
218 hud = QImage(0, 0, QImage::Format_ARGB32);
220 emit signalHUDRenderingFinished(0, 1);
224 QImage Vectorscope::renderScope(uint accelerationFactor, QImage qimage)
226 QTime start = QTime::currentTime();
230 qDebug() << "Scope size not known yet. Aborting.";
233 scope = m_vectorscopeGenerator->calculateVectorscope(m_scopeRect.size(),
235 m_gain, (VectorscopeGenerator::PaintMode) ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt(),
236 m_aAxisEnabled->isChecked(), accelerationFactor);
240 unsigned int mseconds = start.msecsTo(QTime::currentTime());
241 emit signalScopeRenderingFinished(mseconds, accelerationFactor);
245 QImage Vectorscope::renderBackground(uint)
247 QTime start = QTime::currentTime();
251 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
253 qDebug() << "YUV background.";
254 bg = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, false, true);
257 bg = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 255, 1/VectorscopeGenerator::scaling, true, true);
260 qDebug() << "No background.";
261 bg = QImage(cw, cw, QImage::Format_ARGB32);
262 bg.fill(qRgba(0,0,0,0));
267 // Draw the vectorscope circle
268 QPainter davinci(&bg);
272 davinci.setRenderHint(QPainter::Antialiasing, true);
274 davinci.setPen(penThick);
275 davinci.drawEllipse(0, 0, cw, cw);
277 // Draw RGB/CMY points with 100% chroma
278 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_R);
279 davinci.drawEllipse(vinciPoint, 4,4);
280 davinci.drawText(vinciPoint-QPoint(20, -10), "R");
282 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_G);
283 davinci.drawEllipse(vinciPoint, 4,4);
284 davinci.drawText(vinciPoint-QPoint(20, 0), "G");
286 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_B);
287 davinci.drawEllipse(vinciPoint, 4,4);
288 davinci.drawText(vinciPoint+QPoint(15, 10), "B");
290 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Cy);
291 davinci.drawEllipse(vinciPoint, 4,4);
292 davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
294 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Mg);
295 davinci.drawEllipse(vinciPoint, 4,4);
296 davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
298 vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Yl);
299 davinci.drawEllipse(vinciPoint, 4,4);
300 davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
302 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
304 davinci.setPen(penLight);
307 davinci.setPen(penDark);
312 if (m_aAxisEnabled->isChecked()) {
313 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,-.9)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,.9)));
314 davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.9,0)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.9,0)));
318 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
320 davinci.setPen(penDark);
323 davinci.setPen(penThin);
326 davinci.drawEllipse(m_centerPoint, 5,5);
330 if (m_a75PBox->isChecked()) {
331 davinci.drawLine(pR75, pYl75);
332 davinci.drawLine(pYl75, pG75);
333 davinci.drawLine(pG75, pCy75);
334 davinci.drawLine(pCy75, pB75);
335 davinci.drawLine(pB75, pMg75);
336 davinci.drawLine(pMg75, pR75);
339 // Draw RGB/CMY points with 75% chroma (for NTSC)
340 davinci.setPen(penThin);
341 davinci.drawEllipse(pR75, 3,3);
342 davinci.drawEllipse(pG75, 3,3);
343 davinci.drawEllipse(pB75, 3,3);
344 davinci.drawEllipse(pCy75, 3,3);
345 davinci.drawEllipse(pMg75, 3,3);
346 davinci.drawEllipse(pYl75, 3,3);
348 // Draw realtime factor (number of skipped pixels)
349 if (m_aRealtime->isChecked()) {
350 davinci.setPen(penThin);
351 davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()-15), QVariant(m_accelFactorScope).toString().append("x"));
354 emit signalBackgroundRenderingFinished(start.elapsed(), 1);
363 void Vectorscope::slotGainChanged(int newval)
365 m_gain = 1 + (float)newval/10;
366 ui->lblGain->setText(QString::number(m_gain, 'f', 1) + "x");
370 void Vectorscope::slotExportBackground()
372 qDebug() << "Exporting background";
373 m_colorPlaneExport->show();
377 void Vectorscope::slotBackgroundChanged()
379 // Background changed, switch to a suitable color mode now
381 switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
383 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Black));
385 ui->paintMode->setCurrentIndex(index);
390 if (ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt() == VectorscopeGenerator::PaintMode_Black) {
391 index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Green2));
392 ui->paintMode->setCurrentIndex(index);
396 forceUpdateBackground();
403 void Vectorscope::mouseMoveEvent(QMouseEvent *event)
405 // Draw a circle around the center,
406 // showing percentage number of the radius length
408 m_circleEnabled = true;
409 m_mousePos = event->pos();
413 void Vectorscope::leaveEvent(QEvent *event)
415 // Repaint the HUD without the circle
417 m_circleEnabled = false;
418 QWidget::leaveEvent(event);