void KisImagePyramid::setImage(KisImageWSP newImage)
{
if (newImage) {
m_originalImage = newImage;
clearPyramid();
setImageSize(m_originalImage->width(), m_originalImage->height());
// Get the full image size
QRect rc = m_originalImage->projection()->exactBounds();
KisImageConfig config;
int patchWidth = config.updatePatchWidth();
int patchHeight = config.updatePatchHeight();
if (rc.width() * rc.height() <= patchWidth * patchHeight) {
retrieveImageData(rc);
}
else {
qint32 firstCol = rc.x() / patchWidth;
qint32 firstRow = rc.y() / patchHeight;
qint32 lastCol = (rc.x() + rc.width()) / patchWidth;
qint32 lastRow = (rc.y() + rc.height()) / patchHeight;
for(qint32 i = firstRow; i <= lastRow; i++) {
for(qint32 j = firstCol; j <= lastCol; j++) {
QRect maxPatchRect(j * patchWidth,
i * patchHeight,
patchWidth, patchHeight);
QRect patchRect = rc & maxPatchRect;
retrieveImageData(patchRect);
}
}
}
//TODO: check whether there is needed recalculateCache()
}
}
QVector<QRect> splitRectIntoPatches(const QRect &rc, const QSize &patchSize)
{
QVector<QRect> patches;
qint32 firstCol = rc.x() / patchSize.width();
qint32 firstRow = rc.y() / patchSize.height();
qint32 lastCol = (rc.x() + rc.width()) / patchSize.width();
qint32 lastRow = (rc.y() + rc.height()) / patchSize.height();
for(qint32 i = firstRow; i <= lastRow; i++) {
for(qint32 j = firstCol; j <= lastCol; j++) {
QRect maxPatchRect(j * patchSize.width(), i * patchSize.height(),
patchSize.width(), patchSize.height());
QRect patchRect = rc & maxPatchRect;
if (!patchRect.isEmpty()) {
patches.append(patchRect);
}
}
}
return patches;
}
