diff --git a/libs/ui/widgets/kis_cie_tongue_widget.cpp b/libs/ui/widgets/kis_cie_tongue_widget.cpp index a88c8c363b..79a8bfc684 100644 --- a/libs/ui/widgets/kis_cie_tongue_widget.cpp +++ b/libs/ui/widgets/kis_cie_tongue_widget.cpp @@ -1,734 +1,732 @@ /* * Copyright (C) 2015 by Wolthera van Hövell tot Westerflier * * Based on the Digikam CIE Tongue widget * Copyright (C) 2006-2013 by Gilles Caulier * * Any source code are inspired from lprof project and * Copyright (C) 1998-2001 Marti Maria * * This program is free software; you can redistribute it * and/or modify it under the terms of the GNU General * Public License as published by the Free Software Foundation; * either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. **/ /** The following table gives the CIE color matching functions \f$\bar{x}(\lambda)\f$, \f$\bar{y}(\lambda)\f$, and \f$\bar{z}(\lambda)\f$, for wavelengths \f$\lambda\f$ at 5 nanometer increments from 380 nm through 780 nm. This table is used in conjunction with Planck's law for the energy spectrum of a black body at a given temperature to plot the black body curve on the CIE chart. The following table gives the spectral chromaticity co-ordinates \f$x(\lambda)\f$ and \f$y(\lambda)\f$ for wavelengths in 5 nanometer increments from 380 nm through 780 nm. These coordinates represent the position in the CIE x-y space of pure spectral colors of the given wavelength, and thus define the outline of the CIE "tongue" diagram. */ #include #include #include #include #include #include #include #include #include #include #include #include "kis_cie_tongue_widget.h" static const double spectral_chromaticity[81][3] = { { 0.1741, 0.0050 }, // 380 nm { 0.1740, 0.0050 }, { 0.1738, 0.0049 }, { 0.1736, 0.0049 }, { 0.1733, 0.0048 }, { 0.1730, 0.0048 }, { 0.1726, 0.0048 }, { 0.1721, 0.0048 }, { 0.1714, 0.0051 }, { 0.1703, 0.0058 }, { 0.1689, 0.0069 }, { 0.1669, 0.0086 }, { 0.1644, 0.0109 }, { 0.1611, 0.0138 }, { 0.1566, 0.0177 }, { 0.1510, 0.0227 }, { 0.1440, 0.0297 }, { 0.1355, 0.0399 }, { 0.1241, 0.0578 }, { 0.1096, 0.0868 }, { 0.0913, 0.1327 }, { 0.0687, 0.2007 }, { 0.0454, 0.2950 }, { 0.0235, 0.4127 }, { 0.0082, 0.5384 }, { 0.0039, 0.6548 }, { 0.0139, 0.7502 }, { 0.0389, 0.8120 }, { 0.0743, 0.8338 }, { 0.1142, 0.8262 }, { 0.1547, 0.8059 }, { 0.1929, 0.7816 }, { 0.2296, 0.7543 }, { 0.2658, 0.7243 }, { 0.3016, 0.6923 }, { 0.3373, 0.6589 }, { 0.3731, 0.6245 }, { 0.4087, 0.5896 }, { 0.4441, 0.5547 }, { 0.4788, 0.5202 }, { 0.5125, 0.4866 }, { 0.5448, 0.4544 }, { 0.5752, 0.4242 }, { 0.6029, 0.3965 }, { 0.6270, 0.3725 }, { 0.6482, 0.3514 }, { 0.6658, 0.3340 }, { 0.6801, 0.3197 }, { 0.6915, 0.3083 }, { 0.7006, 0.2993 }, { 0.7079, 0.2920 }, { 0.7140, 0.2859 }, { 0.7190, 0.2809 }, { 0.7230, 0.2770 }, { 0.7260, 0.2740 }, { 0.7283, 0.2717 }, { 0.7300, 0.2700 }, { 0.7311, 0.2689 }, { 0.7320, 0.2680 }, { 0.7327, 0.2673 }, { 0.7334, 0.2666 }, { 0.7340, 0.2660 }, { 0.7344, 0.2656 }, { 0.7346, 0.2654 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 }, { 0.7347, 0.2653 } // 780 nm }; class Q_DECL_HIDDEN KisCIETongueWidget::Private { public: Private() : profileDataAvailable(false), needUpdatePixmap(false), cieTongueNeedsUpdate(true), uncalibratedColor(false), xBias(0), yBias(0), pxcols(0), pxrows(0), progressCount(0), gridside(0), progressTimer(0), Primaries(9), whitePoint(3) { progressPix = KPixmapSequence("process-working", KisIconUtils::SizeSmallMedium); } bool profileDataAvailable; bool needUpdatePixmap; bool cieTongueNeedsUpdate; bool uncalibratedColor; int xBias; int yBias; int pxcols; int pxrows; int progressCount; // Position of animation during loading/calculation. double gridside; QPainter painter; QTimer* progressTimer; QPixmap pixmap; QPixmap cietongue; QPixmap gamutMap; KPixmapSequence progressPix; QVector Primaries; QVector whitePoint; QPolygonF gamut; model colorModel; }; KisCIETongueWidget::KisCIETongueWidget(QWidget *parent) : QWidget(parent), d(new Private) { d->progressTimer = new QTimer(this); setAttribute(Qt::WA_DeleteOnClose); d->Primaries.resize(9); d->Primaries.fill(0.0); d->whitePoint.resize(3); d->whitePoint<<0.34773<<0.35952<<1.0; d->gamut = QPolygonF(); connect(d->progressTimer, SIGNAL(timeout()), this, SLOT(slotProgressTimerDone())); } KisCIETongueWidget::~KisCIETongueWidget() { delete d; } int KisCIETongueWidget::grids(double val) const { return (int) floor(val * d->gridside + 0.5); } void KisCIETongueWidget::setProfileData(QVector p, QVector w, bool profileData) { d->profileDataAvailable = profileData; if (profileData){ d->Primaries= p; d->whitePoint = w; d->needUpdatePixmap = true; } else { return; } } void KisCIETongueWidget::setGamut(QPolygonF gamut) { d->gamut=gamut; } void KisCIETongueWidget::setRGBData(QVector whitepoint, QVector colorants) { if (colorants.size()==9){ d->Primaries= colorants; d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::RGBA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setCMYKData(QVector whitepoint) { if (whitepoint.size()==3){ //d->Primaries= colorants; d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::CMYKA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setXYZData(QVector whitepoint) { if (whitepoint.size()==3){ d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::XYZA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setGrayData(QVector whitepoint) { if (whitepoint.size()==3){ d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::GRAYA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setLABData(QVector whitepoint) { if (whitepoint.size()==3){ d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::LABA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setYCbCrData(QVector whitepoint) { if (whitepoint.size()==3){ d->whitePoint = whitepoint; d->needUpdatePixmap = true; d->colorModel = KisCIETongueWidget::YCbCrA; d->profileDataAvailable = true; } else { return; } } void KisCIETongueWidget::setProfileDataAvailable(bool dataAvailable) { d->profileDataAvailable = dataAvailable; } void KisCIETongueWidget::mapPoint(int& icx, int& icy, QPointF xy) { icx = (int) floor((xy.x() * (d->pxcols - 1)) + .5); icy = (int) floor(((d->pxrows - 1) - xy.y() * (d->pxrows - 1)) + .5); } void KisCIETongueWidget::biasedLine(int x1, int y1, int x2, int y2) { d->painter.drawLine(x1 + d->xBias, y1, x2 + d->xBias, y2); } void KisCIETongueWidget::biasedText(int x, int y, const QString& txt) { d->painter.drawText(QPoint(d->xBias + x, y), txt); } QRgb KisCIETongueWidget::colorByCoord(double x, double y) { // Get xyz components scaled from coordinates double cx = ((double) x) / (d->pxcols - 1); double cy = 1.0 - ((double) y) / (d->pxrows - 1); double cz = 1.0 - cx - cy; // Project xyz to XYZ space. Note that in this // particular case we are substituting XYZ with xyz //Need to use KoColor here. const KoColorSpace* xyzColorSpace = KoColorSpaceRegistry::instance()->colorSpace("XYZA", "U8"); quint8 data[4]; data[0]= cx*255; data[1]= cy*255; data[2]= cz*255; data[3]= 1.0*255; KoColor colXYZ(data, xyzColorSpace); QColor colRGB = colXYZ.toQColor(); return qRgb(colRGB.red(), colRGB.green(), colRGB.blue()); } void KisCIETongueWidget::outlineTongue() { int lx=0, ly=0; int fx=0, fy=0; - for (int x = 380; x <= 700; x += 5) - { + for (int x = 380; x <= 700; x += 5) { int ix = (x - 380) / 5; - QPointF * p = new QPointF(spectral_chromaticity[ix][0], spectral_chromaticity[ix][1]); + QPointF p(spectral_chromaticity[ix][0], spectral_chromaticity[ix][1]); int icx, icy; - mapPoint(icx, icy, * p); + mapPoint(icx, icy, p); - if (x > 380) - { + if (x > 380) { biasedLine(lx, ly, icx, icy); } - else - { + else { fx = icx; fy = icy; } lx = icx; ly = icy; + } biasedLine(lx, ly, fx, fy); } void KisCIETongueWidget::fillTongue() { QImage Img = d->cietongue.toImage(); int x; for (int y = 0; y < d->pxrows; ++y) { int xe = 0; // Find horizontal extents of tongue on this line. for (x = 0; x < d->pxcols; ++x) { if (QColor(Img.pixel(x + d->xBias, y)) != QColor(Qt::black)) { for (xe = d->pxcols - 1; xe >= x; --xe) { if (QColor(Img.pixel(xe + d->xBias, y)) != QColor(Qt::black)) { break; } } break; } } if (x < d->pxcols) { for ( ; x <= xe; ++x) { QRgb Color = colorByCoord(x, y); Img.setPixel(x + d->xBias, y, Color); } } } d->cietongue = QPixmap::fromImage(Img, Qt::AvoidDither); } void KisCIETongueWidget::drawTongueAxis() { QFont font; font.setPointSize(6); d->painter.setFont(font); d->painter.setPen(qRgb(255, 255, 255)); biasedLine(0, 0, 0, d->pxrows - 1); biasedLine(0, d->pxrows-1, d->pxcols-1, d->pxrows - 1); for (int y = 1; y <= 9; y += 1) { QString s; int xstart = (y * (d->pxcols - 1)) / 10; int ystart = (y * (d->pxrows - 1)) / 10; s.sprintf("0.%d", y); biasedLine(xstart, d->pxrows - grids(1), xstart, d->pxrows - grids(4)); biasedText(xstart - grids(11), d->pxrows + grids(15), s); s.sprintf("0.%d", 10 - y); biasedLine(0, ystart, grids(3), ystart); biasedText(grids(-25), ystart + grids(5), s); } } void KisCIETongueWidget::drawTongueGrid() { d->painter.setPen(qRgb(128, 128, 128)); d->painter.setOpacity(0.5); for (int y = 1; y <= 9; y += 1) { int xstart = (y * (d->pxcols - 1)) / 10; int ystart = (y * (d->pxrows - 1)) / 10; biasedLine(xstart, grids(4), xstart, d->pxrows - grids(4) - 1); biasedLine(grids(7), ystart, d->pxcols-1-grids(7), ystart); } d->painter.setOpacity(1.0); } void KisCIETongueWidget::drawLabels() { QFont font; font.setPointSize(5); d->painter.setFont(font); for (int x = 450; x <= 650; x += (x > 470 && x < 600) ? 5 : 10) { QString wl; int bx = 0, by = 0, tx, ty; if (x < 520) { bx = grids(-22); by = grids(2); } else if (x < 535) { bx = grids(-8); by = grids(-6); } else { bx = grids(4); } int ix = (x - 380) / 5; QPointF p(spectral_chromaticity[ix][0], spectral_chromaticity[ix][1]); int icx, icy; mapPoint(icx, icy, p); tx = icx + ((x < 520) ? grids(-2) : ((x >= 535) ? grids(2) : 0)); ty = icy + ((x < 520) ? 0 : ((x >= 535) ? grids(-1) : grids(-2))); d->painter.setPen(qRgb(255, 255, 255)); biasedLine(icx, icy, tx, ty); QRgb Color = colorByCoord(icx, icy); d->painter.setPen(Color); wl.sprintf("%d", x); biasedText(icx+bx, icy+by, wl); } } void KisCIETongueWidget::drawSmallEllipse(QPointF xy, int r, int g, int b, int sz) { int icx, icy; mapPoint(icx, icy, xy); d->painter.save(); d->painter.setRenderHint(QPainter::Antialiasing); d->painter.setPen(qRgb(r, g, b)); d->painter.drawEllipse(icx + d->xBias- sz/2, icy-sz/2, sz, sz); d->painter.setPen(qRgb(r/2, g/2, b/2)); int sz2 = sz-2; d->painter.drawEllipse(icx + d->xBias- sz2/2, icy-sz2/2, sz2, sz2); d->painter.restore(); } void KisCIETongueWidget::drawColorantTriangle() { d->painter.save(); d->painter.setPen(qRgb(80, 80, 80)); d->painter.setRenderHint(QPainter::Antialiasing); if (d->colorModel ==KisCIETongueWidget::RGBA) { drawSmallEllipse((QPointF(d->Primaries[0],d->Primaries[1])), 255, 128, 128, 6); drawSmallEllipse((QPointF(d->Primaries[3],d->Primaries[4])), 128, 255, 128, 6); drawSmallEllipse((QPointF(d->Primaries[6],d->Primaries[7])), 128, 128, 255, 6); int x1, y1, x2, y2, x3, y3; mapPoint(x1, y1, (QPointF(d->Primaries[0],d->Primaries[1])) ); mapPoint(x2, y2, (QPointF(d->Primaries[3],d->Primaries[4])) ); mapPoint(x3, y3, (QPointF(d->Primaries[6],d->Primaries[7])) ); biasedLine(x1, y1, x2, y2); biasedLine(x2, y2, x3, y3); biasedLine(x3, y3, x1, y1); } /*else if (d->colorModel ==CMYK){ for (i=0; iPrimaries.size();i+++){ drawSmallEllipse((QPointF(d->Primaries[0],d->Primaries[1])), 160, 160, 160, 6);//greyscale for now //int x1, y1, x2, y2; //mapPoint(x1, y1, (QPointF(d->Primaries[i],d->Primaries[i+1])) ); //mapPoint(x2, y2, (QPointF(d->Primaries[i+3],d->Primaries[i+4])) ); //biasedLine(x1, y1, x2, y2); } } */ d->painter.restore(); } void KisCIETongueWidget::drawWhitePoint() { drawSmallEllipse(QPointF (d->whitePoint[0],d->whitePoint[1]), 255, 255, 255, 8); } void KisCIETongueWidget::drawGamut() { d->gamutMap=QPixmap(size()); d->gamutMap.fill(Qt::black); QPainter gamutPaint; gamutPaint.begin(&d->gamutMap); QPainterPath path; //gamutPaint.setCompositionMode(QPainter::CompositionMode_Clear); gamutPaint.setRenderHint(QPainter::Antialiasing); path.setFillRule(Qt::WindingFill); gamutPaint.setBrush(Qt::white); gamutPaint.setPen(Qt::white); int x, y = 0; if (!d->gamut.empty()) { gamutPaint.setOpacity(0.5); if (d->colorModel == KisCIETongueWidget::RGBA) { mapPoint(x, y, (QPointF(d->Primaries[0],d->Primaries[1])) ); path.moveTo(QPointF(x + d->xBias,y)); mapPoint(x, y, (QPointF(d->Primaries[3],d->Primaries[4])) ); path.lineTo(QPointF(x + d->xBias,y)); mapPoint(x, y, (QPointF(d->Primaries[6],d->Primaries[7])) ); path.lineTo(QPointF(x + d->xBias,y)); mapPoint(x, y, (QPointF(d->Primaries[0],d->Primaries[1])) ); path.lineTo(QPointF(x + d->xBias,y)); } gamutPaint.drawPath(path); gamutPaint.setOpacity(1.0); foreach (QPointF Point, d->gamut) { mapPoint(x, y, Point); gamutPaint.drawEllipse(x + d->xBias- 2, y-2, 4, 4); //Point.setX(x); //Point.setY(y); //path.lineTo(Point); } } gamutPaint.end(); d->painter.save(); d->painter.setOpacity(0.5); d->painter.setCompositionMode(QPainter::CompositionMode_Multiply); QRect area(d->xBias, 0, d->pxcols, d->pxrows); d->painter.drawPixmap(area,d->gamutMap, area); d->painter.setOpacity(1.0); d->painter.restore(); } void KisCIETongueWidget::updatePixmap() { d->needUpdatePixmap = false; d->pixmap = QPixmap(size()); if (d->cieTongueNeedsUpdate){ // Draw the CIE tongue curve. I don't see why we need to redraw it every time the whitepoint and such changes so we cache it. d->cieTongueNeedsUpdate = false; d->cietongue = QPixmap(size()); d->cietongue.fill(Qt::black); d->painter.begin(&d->cietongue); int pixcols = d->pixmap.width(); int pixrows = d->pixmap.height(); d->gridside = (qMin(pixcols, pixrows)) / 512.0; d->xBias = grids(32); d->yBias = grids(20); d->pxcols = pixcols - d->xBias; d->pxrows = pixrows - d->yBias; d->painter.setBackground(QBrush(qRgb(0, 0, 0))); d->painter.setPen(qRgb(255, 255, 255)); outlineTongue(); d->painter.end(); fillTongue(); d->painter.begin(&d->cietongue); drawTongueAxis(); drawLabels(); drawTongueGrid(); d->painter.end(); } d->pixmap = d->cietongue; d->painter.begin(&d->pixmap); //draw whitepoint and colorants if (d->whitePoint[2] > 0.0) { drawWhitePoint(); } if (d->Primaries[2] != 0.0) { drawColorantTriangle(); } drawGamut(); d->painter.end(); } void KisCIETongueWidget::paintEvent(QPaintEvent*) { QPainter p(this); // Widget is disable : drawing grayed frame. if ( !isEnabled() ) { p.fillRect(0, 0, width(), height(), palette().color(QPalette::Disabled, QPalette::Background)); QPen pen(palette().color(QPalette::Disabled, QPalette::Foreground)); pen.setStyle(Qt::SolidLine); pen.setWidth(1); p.setPen(pen); p.drawRect(0, 0, width(), height()); return; } // No profile data to show, or RAW file if (!d->profileDataAvailable) { p.fillRect(0, 0, width(), height(), palette().color(QPalette::Active, QPalette::Background)); QPen pen(palette().color(QPalette::Active, QPalette::Text)); pen.setStyle(Qt::SolidLine); pen.setWidth(1); p.setPen(pen); p.drawRect(0, 0, width(), height()); if (d->uncalibratedColor) { p.drawText(0, 0, width(), height(), Qt::AlignCenter, i18n("Uncalibrated color space")); } else { p.setPen(Qt::red); p.drawText(0, 0, width(), height(), Qt::AlignCenter, i18n("No profile available...")); } return; } // Create CIE tongue if needed if (d->needUpdatePixmap) { updatePixmap(); } // draw prerendered tongue p.drawPixmap(0, 0, d->pixmap); } void KisCIETongueWidget::resizeEvent(QResizeEvent* event) { Q_UNUSED(event); setMinimumHeight(width()); setMaximumHeight(width()); d->needUpdatePixmap = true; d->cieTongueNeedsUpdate = true; } void KisCIETongueWidget::slotProgressTimerDone() { update(); d->progressTimer->start(200); }