void KisShadeSelectorLine::paintEvent(QPaintEvent *)
{
if (m_cachedColorSpace != m_parentProxy->colorSpace()) {
m_realPixelCache = new KisPaintDevice(m_parentProxy->colorSpace());
m_cachedColorSpace = m_parentProxy->colorSpace();
}
else {
m_realPixelCache->clear();
}
int patchCount;
int patchSpacing;
if(m_gradient) {
patchCount = width();
patchSpacing = 0;
}
else {
patchCount = m_patchCount;
patchSpacing = 3;
}
qreal patchWidth = (width()-patchSpacing*patchCount)/qreal(patchCount);
qreal hueStep=m_hueDelta/qreal(patchCount);
qreal saturationStep=m_saturationDelta/qreal(patchCount);
qreal valueStep=m_valueDelta/qreal(patchCount);
qreal baseHue;
qreal baseSaturation;
qreal baseValue;
m_parentProxy->converter()->
getHsvF(m_realColor, &baseHue, &baseSaturation, &baseValue);
int z=0;
for(int i=-patchCount/2; i<=patchCount/2; i++) {
if(i==0 && patchCount%2==0) continue;
qreal hue = baseHue + (i * hueStep) + m_hueShift;
while (hue < 0.0) hue += 1.0;
while (hue > 1.0) hue -= 1.0;
qreal saturation = qBound<qreal>(0., baseSaturation + (i * saturationStep) + m_saturationShift, 1.);
qreal value = qBound<qreal>(0., baseValue + (i * valueStep) + m_valueShift, 1.);
QRect patchRect(z * (patchWidth + patchSpacing), 0, patchWidth, m_lineHeight);
KoColor patchColor = m_parentProxy->converter()->fromHsvF(hue, saturation, value);
patchColor.convertTo(m_realPixelCache->colorSpace());
m_realPixelCache->fill(patchRect, patchColor);
z++;
}
QPainter wpainter(this);
QImage renderedImage = m_parentProxy->converter()->toQImage(m_realPixelCache);
wpainter.drawImage(0, 0, renderedImage);
if(m_displayHelpText) {
QString helpText(i18n("delta h=%1 s=%2 v=%3 shift h=%4 s=%5 v=%6",
m_hueDelta,
m_saturationDelta,
m_valueDelta,
m_hueShift,
m_saturationShift,
m_valueShift));
wpainter.setPen(QColor(255,255,255));
wpainter.drawText(rect(), helpText);
}
}
void KisShadeSelectorLine::paintEvent(QPaintEvent *)
{
m_pixelCache = QImage(width(), height(), QImage::Format_ARGB32_Premultiplied);
QPainter painter(&m_pixelCache);
painter.fillRect(0,0, width(), height(), m_backgroundColor);
KisMinimalShadeSelector* parent = dynamic_cast<KisMinimalShadeSelector*>(parentWidget());
const KoColorSpace* colorspace;
if(parent)
colorspace = parent->colorSpace();
else
colorspace = KoColorSpaceRegistry::instance()->rgb8();
KoColor koColor(colorspace);
int patchCount;
int patchSpacing;
if(m_gradient) {
patchCount = width();
patchSpacing = 0;
}
else {
patchCount = m_patchCount;
patchSpacing = 3;
}
qreal patchWidth = (width()-patchSpacing*patchCount)/qreal(patchCount);
qreal hueStep=m_hueDelta/qreal(patchCount);
qreal saturationStep=m_saturationDelta/qreal(patchCount);
qreal valueStep=m_valueDelta/qreal(patchCount);
int z=0;
for(int i=-patchCount/2; i<=patchCount/2; i++) {
if(i==0 && patchCount%2==0) continue;
qreal hue=m_color.hueF()+(i*hueStep)+m_hueShift;
while(hue<0) hue+=1.;
while(hue>1) hue-=1.;
qreal saturation = qBound<qreal>(0., m_color.saturationF()+(i*saturationStep)+m_saturationShift, 1.);
qreal value = qBound<qreal>(0., m_color.valueF()+(i*valueStep)+m_valueShift, 1.);
koColor.fromQColor(QColor::fromHsvF(hue, saturation, value));
painter.fillRect(z*(patchWidth+patchSpacing)/*+1*/, 0, patchWidth, m_lineHeight, koColor.toQColor());
z++;
}
QPainter wpainter(this);
wpainter.drawImage(0,0, m_pixelCache);
if(m_displayHelpText) {
QString helpText(i18n("delta h=%1 s=%2 v=%3 shift h=%4 s=%5 v=%6",
m_hueDelta,
m_saturationDelta,
m_valueDelta,
m_hueShift,
m_saturationShift,
m_valueShift));
wpainter.setPen(QColor(255,255,255));
wpainter.drawText(rect(), helpText);
}
}