git.sesse.net Git - kdenlive/blob - src/scopes/colorscopes/vectorscope.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com)      *
   3  *   This file is part of kdenlive. See www.kdenlive.org.                  *
   4  *                                                                         *
   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  ***************************************************************************/
  10
  11
  12 #include <QAction>
  13 #include <QColor>
  14 #include <QDebug>
  15 #include <QMouseEvent>
  16 #include <QMenu>
  17 #include <QPainter>
  18
  19 #include <QTime>
  20
  21 #include "colorplaneexport.h"
  22 #include "colortools.h"
  23 #include "vectorscope.h"
  24 #include "colorcorrection/vectorscopegenerator.h"
  25
  26 const float P75 = .75;
  27 const unsigned char DEFAULT_Y = 255;
  28
  29 const QPointF YUV_R(-.147,  .615);
  30 const QPointF YUV_G(-.289, -.515);
  31 const QPointF YUV_B(.437, -.100);
  32 const QPointF YUV_Cy(.147, -.615);
  33 const QPointF YUV_Mg(.289,  .515);
  34 const QPointF YUV_Yl(-.437,  .100);
  35
  36 const QPointF YPbPr_R(-.169, .5);
  37 const QPointF YPbPr_G(-.331, -.419);
  38 const QPointF YPbPr_B(.5, -.081);
  39 const QPointF YPbPr_Cy(.169, -.5);
  40 const QPointF YPbPr_Mg(.331, .419);
  41 const QPointF YPbPr_Yl(-.5, .081);
  42
  43
  44 Vectorscope::Vectorscope(QWidget *parent) :
  45     AbstractGfxScopeWidget(true, parent),
  46     m_gain(1)
  47 {
  48     ui = new Ui::Vectorscope_UI();
  49     ui->setupUi(this);
  50
  51     m_colorTools = new ColorTools();
  52     m_colorPlaneExport = new ColorPlaneExport(this);
  53     m_vectorscopeGenerator = new VectorscopeGenerator();
  54
  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));
  61
  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));
  65     ui->backgroundMode->addItem(i18n("YPbPr"), QVariant(BG_YPbPr));
  66
  67     ui->sliderGain->setMinimum(0);
  68     ui->sliderGain->setMaximum(40);
  69
  70     bool b = true;
  71     b &= connect(ui->backgroundMode, SIGNAL(currentIndexChanged(int)), this, SLOT(slotBackgroundChanged()));
  72     b &= connect(ui->sliderGain, SIGNAL(valueChanged(int)), this, SLOT(slotGainChanged(int)));
  73     b &= connect(ui->paintMode, SIGNAL(currentIndexChanged(int)), this, SLOT(forceUpdateScope()));
  74     b &= connect(this, SIGNAL(signalMousePositionChanged()), this, SLOT(forceUpdateHUD()));
  75     ui->sliderGain->setValue(0);
  76
  77
  78     ///// Build context menu /////
  79
  80     m_menu->addSeparator()->setText(i18n("Tools"));;
  81
  82     m_aExportBackground = new QAction(i18n("Export background"), this);
  83     m_menu->addAction(m_aExportBackground);
  84     b &= connect(m_aExportBackground, SIGNAL(triggered()), this, SLOT(slotExportBackground()));
  85
  86     m_menu->addSeparator()->setText(i18n("Drawing options"));
  87
  88     m_a75PBox = new QAction(i18n("75% box"), this);
  89     m_a75PBox->setCheckable(true);
  90     m_menu->addAction(m_a75PBox);
  91     b &= connect(m_a75PBox, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
  92
  93     m_aAxisEnabled = new QAction(i18n("Draw axis"), this);
  94     m_aAxisEnabled->setCheckable(true);
  95     m_menu->addAction(m_aAxisEnabled);
  96     b &= connect(m_aAxisEnabled, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
  97
  98     m_aIQLines = new QAction(i18n("Draw I/Q lines"), this);
  99     m_aIQLines->setCheckable(true);
 100     m_menu->addAction(m_aIQLines);
 101     b &= connect(m_aIQLines, SIGNAL(changed()), this, SLOT(forceUpdateBackground()));
 102
 103     m_menu->addSeparator()->setText(i18n("Color Space"));
 104     m_aColorSpace_YPbPr = new QAction(i18n("YPbPr"), this);
 105     m_aColorSpace_YPbPr->setCheckable(true);
 106     m_aColorSpace_YUV = new QAction(i18n("YUV"), this);
 107     m_aColorSpace_YUV->setCheckable(true);
 108     m_agColorSpace = new QActionGroup(this);
 109     m_agColorSpace->addAction(m_aColorSpace_YPbPr);
 110     m_agColorSpace->addAction(m_aColorSpace_YUV);
 111     m_menu->addAction(m_aColorSpace_YPbPr);
 112     m_menu->addAction(m_aColorSpace_YUV);
 113     b &= connect(m_aColorSpace_YPbPr, SIGNAL(toggled(bool)), this, SLOT(slotColorSpaceChanged()));
 114     b &= connect(m_aColorSpace_YUV, SIGNAL(toggled(bool)), this, SLOT(slotColorSpaceChanged()));
 115
 116     Q_ASSERT(b);
 117
 118     // To make the 1.0x text show
 119     slotGainChanged(ui->sliderGain->value());
 120
 121     init();
 122 }
 123
 124 Vectorscope::~Vectorscope()
 125 {
 126     writeConfig();
 127
 128     delete m_colorTools;
 129     delete m_colorPlaneExport;
 130     delete m_vectorscopeGenerator;
 131
 132     delete m_aColorSpace_YPbPr;
 133     delete m_aColorSpace_YUV;
 134     delete m_aExportBackground;
 135     delete m_aAxisEnabled;
 136     delete m_a75PBox;
 137     delete m_agColorSpace;
 138     delete ui;
 139 }
 140
 141 QString Vectorscope::widgetName() const { return QString("Vectorscope"); }
 142
 143 void Vectorscope::readConfig()
 144 {
 145     AbstractGfxScopeWidget::readConfig();
 146
 147     KSharedConfigPtr config = KGlobal::config();
 148     KConfigGroup scopeConfig(config, configName());
 149     m_a75PBox->setChecked(scopeConfig.readEntry("75PBox", false));
 150     m_aAxisEnabled->setChecked(scopeConfig.readEntry("axis", false));
 151     m_aIQLines->setChecked(scopeConfig.readEntry("iqlines", false));
 152     ui->backgroundMode->setCurrentIndex(scopeConfig.readEntry("backgroundmode").toInt());
 153     ui->paintMode->setCurrentIndex(scopeConfig.readEntry("paintmode").toInt());
 154     ui->sliderGain->setValue(scopeConfig.readEntry("gain", 1));
 155     m_aColorSpace_YPbPr->setChecked(scopeConfig.readEntry("colorspace_ypbpr", false));
 156     m_aColorSpace_YUV->setChecked(!m_aColorSpace_YPbPr->isChecked());
 157 }
 158
 159 void Vectorscope::writeConfig()
 160 {
 161     KSharedConfigPtr config = KGlobal::config();
 162     KConfigGroup scopeConfig(config, configName());
 163     scopeConfig.writeEntry("75PBox", m_a75PBox->isChecked());
 164     scopeConfig.writeEntry("axis", m_aAxisEnabled->isChecked());
 165     scopeConfig.writeEntry("iqlines", m_aIQLines->isChecked());
 166     scopeConfig.writeEntry("backgroundmode", ui->backgroundMode->currentIndex());
 167     scopeConfig.writeEntry("paintmode", ui->paintMode->currentIndex());
 168     scopeConfig.writeEntry("gain", ui->sliderGain->value());
 169     scopeConfig.writeEntry("colorspace_ypbpr", m_aColorSpace_YPbPr->isChecked());
 170     scopeConfig.sync();
 171 }
 172
 173 QRect Vectorscope::scopeRect()
 174 {
 175     // Distance from top/left/right
 176     int offset = 6;
 177
 178     // We want to paint below the controls area. The line is the lowest element.
 179     QPoint topleft(offset, ui->verticalSpacer->geometry().y()+offset);
 180     QPoint bottomright(ui->horizontalSpacer->geometry().right()-offset, this->size().height()-offset);
 181
 182     m_visibleRect = QRect(topleft, bottomright);
 183
 184     QRect scopeRect(topleft, bottomright);
 185
 186     // Circle Width: min of width and height
 187     cw = (scopeRect.height() < scopeRect.width()) ? scopeRect.height() : scopeRect.width();
 188     scopeRect.setWidth(cw);
 189     scopeRect.setHeight(cw);
 190
 191
 192     m_centerPoint = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), QPointF(0,0));
 193     pR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_R);
 194     pG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_G);
 195     pB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_B);
 196     pCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Cy);
 197     pMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Mg);
 198     pYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YUV_Yl);
 199     qR75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_R);
 200     qG75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_G);
 201     qB75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_B);
 202     qCy75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Cy);
 203     qMg75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Mg);
 204     qYl75 = m_vectorscopeGenerator->mapToCircle(scopeRect.size(), P75*VectorscopeGenerator::scaling*YPbPr_Yl);
 205
 206     return scopeRect;
 207 }
 208
 209 bool Vectorscope::isHUDDependingOnInput() const { return false; }
 210 bool Vectorscope::isScopeDependingOnInput() const { return true; }
 211 bool Vectorscope::isBackgroundDependingOnInput() const { return false; }
 212
 213 QImage Vectorscope::renderHUD(uint)
 214 {
 215
 216     QImage hud;
 217     QLocale locale;
 218     if (m_mouseWithinWidget) {
 219         // Mouse moved: Draw a circle over the scope
 220
 221         hud = QImage(m_visibleRect.size(), QImage::Format_ARGB32);
 222         hud.fill(qRgba(0, 0, 0, 0));
 223
 224         QPainter davinci(&hud);
 225         QPoint widgetCenterPoint = m_scopeRect.topLeft() + m_centerPoint;
 226
 227         int dx = -widgetCenterPoint.x()+m_mousePos.x();
 228         int dy =  widgetCenterPoint.y()-m_mousePos.y();
 229
 230         QPoint reference = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(1,0));
 231
 232         float r = sqrt(dx*dx + dy*dy);
 233         float percent = (float) 100*r/VectorscopeGenerator::scaling/m_gain/(reference.x() - widgetCenterPoint.x());
 234
 235         switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 236         case BG_NONE:
 237             davinci.setPen(penLight);
 238             break;
 239         default:
 240             if (r > cw/2) {
 241                 davinci.setPen(penLight);
 242             } else {
 243                 davinci.setPen(penDark);
 244             }
 245             break;
 246         }
 247         davinci.drawEllipse(m_centerPoint, (int)r, (int)r);
 248         davinci.setPen(penThin);
 249         davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()), i18n("%1 \%", locale.toString(percent, 'f', 0)));
 250
 251         float angle = copysign(acos(dx/r)*180/M_PI, dy);
 252         davinci.drawText(QPoint(10, m_scopeRect.height()), i18n("%1°", locale.toString(angle, 'f', 1)));
 253
 254 //        m_circleEnabled = false;
 255     } else {
 256         hud = QImage(0, 0, QImage::Format_ARGB32);
 257     }
 258     emit signalHUDRenderingFinished(0, 1);
 259     return hud;
 260 }
 261
 262 QImage Vectorscope::renderGfxScope(uint accelerationFactor, const QImage qimage)
 263 {
 264     QTime start = QTime::currentTime();
 265     QImage scope;
 266
 267     if (cw <= 0) {
 268         qDebug() << "Scope size not known yet. Aborting.";
 269     } else {
 270
 271         VectorscopeGenerator::ColorSpace colorSpace = m_aColorSpace_YPbPr->isChecked() ?
 272                                                       VectorscopeGenerator::ColorSpace_YPbPr : VectorscopeGenerator::ColorSpace_YUV;
 273         VectorscopeGenerator::PaintMode paintMode = (VectorscopeGenerator::PaintMode) ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt();
 274         scope = m_vectorscopeGenerator->calculateVectorscope(m_scopeRect.size(),
 275                                                              qimage,
 276                                                              m_gain, paintMode, colorSpace,
 277                                                              m_aAxisEnabled->isChecked(), accelerationFactor);
 278
 279     }
 280
 281     unsigned int mseconds = start.msecsTo(QTime::currentTime());
 282     emit signalScopeRenderingFinished(mseconds, accelerationFactor);
 283     return scope;
 284 }
 285
 286 QImage Vectorscope::renderBackground(uint)
 287 {
 288     QTime start = QTime::currentTime();
 289     start.start();
 290
 291     QImage bg(m_visibleRect.size(), QImage::Format_ARGB32);
 292     bg.fill(qRgba(0,0,0,0));
 293
 294     // Set up tools
 295     QPainter davinci(&bg);
 296     davinci.setRenderHint(QPainter::Antialiasing, true);
 297
 298     QPoint vinciPoint;
 299     QPoint vinciPoint2;
 300
 301     // Draw the color plane (if selected)
 302     QImage colorPlane;
 303     switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 304     case BG_YUV:
 305         colorPlane = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, false, true);
 306         davinci.drawImage(0, 0, colorPlane);
 307         break;
 308     case BG_CHROMA:
 309         colorPlane = m_colorTools->yuvColorWheel(m_scopeRect.size(), (unsigned char) 255, 1/VectorscopeGenerator::scaling, true, true);
 310         davinci.drawImage(0, 0, colorPlane);
 311         break;
 312     case BG_YPbPr:
 313         colorPlane = m_colorTools->yPbPrColorWheel(m_scopeRect.size(), (unsigned char) 128, 1/VectorscopeGenerator::scaling, true);
 314         davinci.drawImage(0, 0, colorPlane);
 315         break;
 316     }
 317
 318
 319
 320     // Draw I/Q lines (from the YIQ color space; Skin tones lie on the I line)
 321     // Positions are calculated by transforming YIQ:[0 1 0] or YIQ:[0 0 1] to YUV/YPbPr.
 322     if (m_aIQLines->isChecked()) {
 323
 324         switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 325         case BG_NONE:
 326             davinci.setPen(penLightDots);
 327             break;
 328         default:
 329             davinci.setPen(penDarkDots);
 330             break;
 331         }
 332
 333         if (m_aColorSpace_YUV->isChecked()) {
 334             vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.544,.838));
 335             vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.544,-.838));
 336         } else {
 337             vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.675,.737));
 338             vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.675,-.737));
 339         }
 340
 341         davinci.drawLine(vinciPoint, vinciPoint2);
 342         davinci.setPen(penThick);
 343         davinci.drawText(vinciPoint - QPoint(11, 5), "I");
 344
 345
 346         switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 347         case BG_NONE:
 348             davinci.setPen(penLightDots);
 349             break;
 350         default:
 351             davinci.setPen(penDarkDots);
 352             break;
 353         }
 354
 355         if (m_aColorSpace_YUV->isChecked()) {
 356             vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.838, .544));
 357             vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.838,-.544));
 358         } else {
 359             vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.908, .443));
 360             vinciPoint2 = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.908,-.443));
 361         }
 362
 363         davinci.drawLine(vinciPoint, vinciPoint2);
 364         davinci.setPen(penThick);
 365         davinci.drawText(vinciPoint - QPoint(-7, 2), "Q");
 366
 367
 368
 369     }
 370
 371     // Draw the vectorscope circle
 372     davinci.setPen(penThick);
 373     davinci.drawEllipse(0, 0, cw, cw);
 374
 375     // Draw RGB/CMY points with 100% chroma
 376     if (m_aColorSpace_YUV->isChecked()) {
 377         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_R);
 378         davinci.drawEllipse(vinciPoint, 4,4);
 379         davinci.drawText(vinciPoint-QPoint(20, -10), "R");
 380
 381         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_G);
 382         davinci.drawEllipse(vinciPoint, 4,4);
 383         davinci.drawText(vinciPoint-QPoint(20, 0), "G");
 384
 385         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_B);
 386         davinci.drawEllipse(vinciPoint, 4,4);
 387         davinci.drawText(vinciPoint+QPoint(15, 10), "B");
 388
 389         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Cy);
 390         davinci.drawEllipse(vinciPoint, 4,4);
 391         davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
 392
 393         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Mg);
 394         davinci.drawEllipse(vinciPoint, 4,4);
 395         davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
 396
 397         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YUV_Yl);
 398         davinci.drawEllipse(vinciPoint, 4,4);
 399         davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
 400     } else {
 401         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_R);
 402         davinci.drawEllipse(vinciPoint, 4,4);
 403         davinci.drawText(vinciPoint-QPoint(20, -10), "R");
 404
 405         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_G);
 406         davinci.drawEllipse(vinciPoint, 4,4);
 407         davinci.drawText(vinciPoint-QPoint(20, 0), "G");
 408
 409         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_B);
 410         davinci.drawEllipse(vinciPoint, 4,4);
 411         davinci.drawText(vinciPoint+QPoint(15, 10), "B");
 412
 413         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Cy);
 414         davinci.drawEllipse(vinciPoint, 4,4);
 415         davinci.drawText(vinciPoint+QPoint(15, -5), "Cy");
 416
 417         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Mg);
 418         davinci.drawEllipse(vinciPoint, 4,4);
 419         davinci.drawText(vinciPoint+QPoint(15, 10), "Mg");
 420
 421         vinciPoint = m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), VectorscopeGenerator::scaling*YPbPr_Yl);
 422         davinci.drawEllipse(vinciPoint, 4,4);
 423         davinci.drawText(vinciPoint-QPoint(25, 0), "Yl");
 424     }
 425
 426     switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 427     case BG_NONE:
 428         davinci.setPen(penLight);
 429         break;
 430     default:
 431         davinci.setPen(penDark);
 432         break;
 433     }
 434
 435     // Draw axis
 436     if (m_aAxisEnabled->isChecked()) {
 437         davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,-.9)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(0,.9)));
 438         davinci.drawLine(m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(-.9,0)), m_vectorscopeGenerator->mapToCircle(m_scopeRect.size(), QPointF(.9,0)));
 439     }
 440
 441     // Draw center point
 442     switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 443     case BG_CHROMA:
 444         davinci.setPen(penDark);
 445         break;
 446     default:
 447         davinci.setPen(penThin);
 448         break;
 449     }
 450     davinci.drawEllipse(m_centerPoint, 5,5);
 451
 452
 453     // Draw 75% box
 454     if (m_a75PBox->isChecked()) {
 455         if (m_aColorSpace_YUV->isChecked()) {
 456             davinci.drawLine(pR75, pYl75);
 457             davinci.drawLine(pYl75, pG75);
 458             davinci.drawLine(pG75, pCy75);
 459             davinci.drawLine(pCy75, pB75);
 460             davinci.drawLine(pB75, pMg75);
 461             davinci.drawLine(pMg75, pR75);
 462         } else {
 463             davinci.drawLine(qR75, qYl75);
 464             davinci.drawLine(qYl75, qG75);
 465             davinci.drawLine(qG75, qCy75);
 466             davinci.drawLine(qCy75, qB75);
 467             davinci.drawLine(qB75, qMg75);
 468             davinci.drawLine(qMg75, qR75);
 469         }
 470     }
 471
 472     // Draw RGB/CMY points with 75% chroma (for NTSC)
 473     davinci.setPen(penThin);
 474     if (m_aColorSpace_YUV->isChecked()) {
 475         davinci.drawEllipse(pR75, 3,3);
 476         davinci.drawEllipse(pG75, 3,3);
 477         davinci.drawEllipse(pB75, 3,3);
 478         davinci.drawEllipse(pCy75, 3,3);
 479         davinci.drawEllipse(pMg75, 3,3);
 480         davinci.drawEllipse(pYl75, 3,3);
 481     } else {
 482         davinci.drawEllipse(qR75, 3,3);
 483         davinci.drawEllipse(qG75, 3,3);
 484         davinci.drawEllipse(qB75, 3,3);
 485         davinci.drawEllipse(qCy75, 3,3);
 486         davinci.drawEllipse(qMg75, 3,3);
 487         davinci.drawEllipse(qYl75, 3,3);
 488     }
 489
 490     // Draw realtime factor (number of skipped pixels)
 491     if (m_aRealtime->isChecked()) {
 492         davinci.setPen(penThin);
 493         davinci.drawText(QPoint(m_scopeRect.width()-40, m_scopeRect.height()-15), QVariant(m_accelFactorScope).toString().append("x"));
 494     }
 495
 496     emit signalBackgroundRenderingFinished(start.elapsed(), 1);
 497     return bg;
 498 }
 499
 500
 501
 502
 503 ///// Slots /////
 504
 505 void Vectorscope::slotGainChanged(int newval)
 506 {
 507     QLocale locale;
 508     m_gain = 1 + (float)newval/10;
 509     ui->lblGain->setText(locale.toString(m_gain, 'f', 1) + "x");
 510     forceUpdateScope();
 511 }
 512
 513 void Vectorscope::slotExportBackground()
 514 {
 515     qDebug() << "Exporting background";
 516     m_colorPlaneExport->show();
 517
 518 }
 519
 520 void Vectorscope::slotBackgroundChanged()
 521 {
 522     // Background changed, switch to a suitable color mode now
 523     int index;
 524     switch (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt()) {
 525     case BG_YUV:
 526         index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Black));
 527         if (index >= 0) {
 528             ui->paintMode->setCurrentIndex(index);
 529         }
 530         break;
 531
 532     case BG_NONE:
 533         if (ui->paintMode->itemData(ui->paintMode->currentIndex()).toInt() == VectorscopeGenerator::PaintMode_Black) {
 534             index = ui->paintMode->findData(QVariant(VectorscopeGenerator::PaintMode_Green2));
 535             ui->paintMode->setCurrentIndex(index);
 536         }
 537         break;
 538     }
 539     forceUpdateBackground();
 540 }
 541
 542 void Vectorscope::slotColorSpaceChanged()
 543 {
 544     int index;
 545     if (m_aColorSpace_YPbPr->isChecked()) {
 546         if (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt() == BG_YUV) {
 547             index = ui->backgroundMode->findData(QVariant(BG_YPbPr));
 548             if (index >= 0) {
 549                 ui->backgroundMode->setCurrentIndex(index);
 550             }
 551         }
 552     } else {
 553         if (ui->backgroundMode->itemData(ui->backgroundMode->currentIndex()).toInt() == BG_YPbPr) {
 554             index = ui->backgroundMode->findData(QVariant(BG_YUV));
 555             if (index >= 0) {
 556                 ui->backgroundMode->setCurrentIndex(index);
 557             }
 558         }
 559     }
 560     forceUpdate();
 561 }