// TODO: this function scales the monitors up when they are bigger than the image :D might have to fix that sometime...
// TODO: ctrl+z erases one state too much
void CroppingWidget::scaleToWindowSize() {
double prevScale = imageScale();
mCurrentImage = mOriginalImage.scaled(size(), Qt::KeepAspectRatio);
mScreen.scaleBy(imageScale() / prevScale, mCurrentImage);
updateStatusBar();
}
bool CroppingWidget::fullQualityCropPossible() const {
double maxScreenScaleFactor = mScreen.getMinScaleFactor();
// because of this: scale = (imageScale / mXScale) in Monitor::crop()
if(maxScreenScaleFactor < imageScale())
return false;
// because the user cannot make the monitors bigger than the start, the monitors must either fit or be scaled down, so
// above condition hits
return true;
}
void CroppingWidget::updateStatusBar() const {
QString text = QString("Scales: Image: %1, Monitors: %2; Sizes: Image: %3, Screen: %4 -> %5")
.arg(imageScale())
.arg(mScreen.getMinScaleFactor())
.arg(QString("%1x%2").arg(mOriginalImage.width()).arg(mOriginalImage.height()))
.arg(mScreen.getSizeAsString())
.arg(fullQualityCropPossible() ? "ok" : "too small");
mStatusBarView->setText(text);
}
QSizeF KisCoordinatesConverter::imageSizeInFlakePixels() const
{
if(!m_d->image) return QSizeF();
qreal scaleX, scaleY;
imageScale(&scaleX, &scaleY);
QSize imageSize = m_d->image->size();
return QSizeF(imageSize.width() * scaleX, imageSize.height() * scaleY);
}
FloatSize DragImage::clampedImageScale(const IntSize& imageSize, const IntSize& size,
const IntSize& maxSize)
{
// Non-uniform scaling for size mapping.
FloatSize imageScale(
static_cast<float>(size.width()) / imageSize.width(),
static_cast<float>(size.height()) / imageSize.height());
// Uniform scaling for clamping.
const float clampScaleX = size.width() > maxSize.width()
? static_cast<float>(maxSize.width()) / size.width() : 1;
const float clampScaleY = size.height() > maxSize.height()
? static_cast<float>(maxSize.height()) / size.height() : 1;
imageScale.scale(std::min(clampScaleX, clampScaleY));
return imageScale;
}
void ColorChooser::loadForegroundPixmap(QRgb rgbBg)
{
// build foreground/background pixmap. for the foreground color we use black or white,
// whichever is furthest in rgb space from the background color
int width = ChooserWidth + 2 * ChooserPadding;
QImage imageScale(width, m_scaleHeight, 32);
int rBg, gBg, bBg;
QColor colorBg(rgbBg);
colorBg.rgb(&rBg, &gBg, &bBg);
QRgb rgbFg;
int distanceBlack = (rBg - 0) * (rBg - 0) + (gBg - 0) * (gBg - 0) + (bBg - 0) * (bBg - 0);
int distanceWhite = (rBg - 255) * (rBg - 255) + (gBg - 255) * (gBg - 255) + (bBg - 255) * (bBg - 255);
if (distanceWhite > distanceBlack)
rgbFg = QColor(Qt::white).rgb();
else
rgbFg = QColor(Qt::black).rgb();
for (int x = 0; x < width; x++)
for (int y = 0; y < m_scaleHeight; y++)
{
// show an triangle with bottom side on the left, and point on the right
if (x < (y * width) / (m_scaleHeight - 2 * ChooserFrame))
setPixelRGB(&imageScale, x, y, rgbBg);
else
setPixelRGB(&imageScale, x, y, rgbFg);
}
pixmapForeground.convertFromImage(imageScale, Qt::ThresholdDither);
if (m_discretizeMethod == DiscretizeForeground)
{
scaleCanvas->setBackgroundPixmap(pixmapForeground);
scaleCanvas->update();
}
}
void CroppingWidget::saveCrops(const QFile &path) const {
mScreen.saveCrops(path, mOriginalImage, imageScale());
}
