int QBlittablePixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
switch (metric) {
case QPaintDevice::PdmWidth:
return w;
case QPaintDevice::PdmHeight:
return h;
case QPaintDevice::PdmWidthMM:
return qRound(w * 25.4 / qt_defaultDpiX());
case QPaintDevice::PdmHeightMM:
return qRound(h * 25.4 / qt_defaultDpiY());
case QPaintDevice::PdmDepth:
return 32;
case QPaintDevice::PdmDpiX: // fall-through
case QPaintDevice::PdmPhysicalDpiX:
return qt_defaultDpiX();
case QPaintDevice::PdmDpiY: // fall-through
case QPaintDevice::PdmPhysicalDpiY:
return qt_defaultDpiY();
default:
qWarning("QRasterPixmapData::metric(): Unhandled metric type %d", metric);
break;
}
return 0;
}
int QGLPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
if (w == 0)
return 0;
switch (metric) {
case QPaintDevice::PdmWidth:
return w;
case QPaintDevice::PdmHeight:
return h;
case QPaintDevice::PdmNumColors:
return 0;
case QPaintDevice::PdmDepth:
return d;
case QPaintDevice::PdmWidthMM:
return qRound(w * 25.4 / qt_defaultDpiX());
case QPaintDevice::PdmHeightMM:
return qRound(h * 25.4 / qt_defaultDpiY());
case QPaintDevice::PdmDpiX:
case QPaintDevice::PdmPhysicalDpiX:
return qt_defaultDpiX();
case QPaintDevice::PdmDpiY:
case QPaintDevice::PdmPhysicalDpiY:
return qt_defaultDpiY();
default:
qWarning("QGLPixmapData::metric(): Invalid metric");
return 0;
}
}
int QDirectFBPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
if (!serialNumber())
return 0;
switch (metric) {
case QPaintDevice::PdmWidth: {
int w, h;
surface->GetSize(surface, &w, &h);
return w;
}
case QPaintDevice::PdmHeight: {
int w, h;
surface->GetSize(surface, &w, &h);
return h;
}
case QPaintDevice::PdmWidthMM: {
int w, h;
surface->GetSize(surface, &w, &h);
return qRound(w * qreal(25.4) / qt_defaultDpiX());
}
case QPaintDevice::PdmHeightMM: {
int w, h;
surface->GetSize(surface, &w, &h);
return qRound(h * qreal(25.4) / qt_defaultDpiY());
}
case QPaintDevice::PdmNumColors: {
return (1 << depth()); // hw: make inline
}
case QPaintDevice::PdmDepth: {
DFBSurfacePixelFormat format;
surface->GetPixelFormat(surface, &format);
return QDirectFBScreen::depth(format);
}
case QPaintDevice::PdmPhysicalDpiX:
case QPaintDevice::PdmDpiX: {
return qt_defaultDpiX();
}
case QPaintDevice::PdmPhysicalDpiY:
case QPaintDevice::PdmDpiY: {
return qt_defaultDpiY();
}
default:
qCritical("QDirectFBScreen::metric(): Unhandled metric!");
return 0;
}
}
static void _fixQPictureDPI( QPainter* p )
{
// QPicture makes an assumption that we drawing to it with system DPI.
// Then when being drawn, it scales the painter. The following call
// negates the effect. There is no way of setting QPicture's DPI.
// See QTBUG-20361
p->scale(( double )qt_defaultDpiX() / p->device()->logicalDpiX(),
( double )qt_defaultDpiY() / p->device()->logicalDpiY() );
}
void QgsPaintEffect::fixQPictureDpi( QPainter *painter ) const
{
// QPicture makes an assumption that we drawing to it with system DPI.
// Then when being drawn, it scales the painter. The following call
// negates the effect. There is no way of setting QPicture's DPI.
// See QTBUG-20361
painter->scale( static_cast< double >( qt_defaultDpiX() ) / painter->device()->logicalDpiX(),
static_cast< double >( qt_defaultDpiY() ) / painter->device()->logicalDpiY() );
}
int QRasterPlatformPixmap::metric(QPaintDevice::PaintDeviceMetric metric) const
{
QImageData *d = image.d;
if (!d)
return 0;
// override the image dpi with the screen dpi when rendering to a pixmap
switch (metric) {
case QPaintDevice::PdmWidth:
return w;
case QPaintDevice::PdmHeight:
return h;
case QPaintDevice::PdmWidthMM:
return qRound(d->width * 25.4 / qt_defaultDpiX());
case QPaintDevice::PdmHeightMM:
return qRound(d->height * 25.4 / qt_defaultDpiY());
case QPaintDevice::PdmNumColors:
return d->colortable.size();
case QPaintDevice::PdmDepth:
return this->d;
case QPaintDevice::PdmDpiX:
return qt_defaultDpiX();
case QPaintDevice::PdmPhysicalDpiX:
return qt_defaultDpiX();
case QPaintDevice::PdmDpiY:
return qt_defaultDpiX();
case QPaintDevice::PdmPhysicalDpiY:
return qt_defaultDpiY();
case QPaintDevice::PdmDevicePixelRatio:
return image.devicePixelRatio();
case QPaintDevice::PdmDevicePixelRatioScaled:
return image.devicePixelRatio() * QPaintDevice::devicePixelRatioFScale();
default:
qWarning("QRasterPlatformPixmap::metric(): Unhandled metric type %d", metric);
break;
}
return 0;
}
/*! \reimp */
int QGLPixelBuffer::metric(PaintDeviceMetric metric) const
{
Q_D(const QGLPixelBuffer);
float dpmx = qt_defaultDpiX()*100./2.54;
float dpmy = qt_defaultDpiY()*100./2.54;
int w = d->req_size.width();
int h = d->req_size.height();
switch (metric) {
case PdmWidth:
return w;
case PdmHeight:
return h;
case PdmWidthMM:
return qRound(w * 1000 / dpmx);
case PdmHeightMM:
return qRound(h * 1000 / dpmy);
case PdmNumColors:
return 0;
case PdmDepth:
return 32;//d->depth;
case PdmDpiX:
return qRound(dpmx * 0.0254);
case PdmDpiY:
return qRound(dpmy * 0.0254);
case PdmPhysicalDpiX:
return qRound(dpmx * 0.0254);
case PdmPhysicalDpiY:
return qRound(dpmy * 0.0254);
case QPaintDevice::PdmDevicePixelRatio:
return 1;
default:
qWarning("QGLPixelBuffer::metric(), Unhandled metric type: %d\n", metric);
break;
}
return 0;
}
void QAlphaPaintEngine::flushAndInit(bool init)
{
Q_D(QAlphaPaintEngine);
Q_ASSERT(d->m_pass == 0);
if (d->m_pic) {
d->m_picpainter->end();
// set clip region
d->m_alphargn = d->m_alphargn.intersected(QRect(0, 0, d->m_pdev->width(), d->m_pdev->height()));
// just use the bounding rect if it's a complex region..
QVector<QRect> rects = d->m_alphargn.rects();
if (rects.size() > 10) {
QRect br = d->m_alphargn.boundingRect();
d->m_alphargn = QRegion(br);
rects.clear();
rects.append(br);
}
d->m_cliprgn = d->m_alphargn;
// now replay the QPicture
++d->m_pass; // we are now doing pass #2
// reset states
gccaps = d->m_savedcaps;
painter()->save();
d->resetState(painter());
// make sure the output from QPicture is unscaled
QTransform mtx;
mtx.scale(1.0f / (qreal(d->m_pdev->logicalDpiX()) / qreal(qt_defaultDpiX())),
1.0f / (qreal(d->m_pdev->logicalDpiY()) / qreal(qt_defaultDpiY())));
painter()->setTransform(mtx);
painter()->drawPicture(0, 0, *d->m_pic);
d->m_cliprgn = QRegion();
d->resetState(painter());
// fill in the alpha images
for (int i=0; i<rects.size(); ++i)
d->drawAlphaImage(rects.at(i));
d->m_alphargn = QRegion();
painter()->restore();
--d->m_pass; // pass #2 finished
cleanUp();
}
if (init) {
gccaps = PaintEngineFeatures(AllFeatures & ~QPaintEngine::ObjectBoundingModeGradients);
d->m_pic = new QPicture();
d->m_pic->d_ptr->in_memory_only = true;
d->m_picpainter = new QPainter(d->m_pic);
d->m_picengine = d->m_picpainter->paintEngine();
// When newPage() is called and the m_picpainter is recreated
// we have to copy the current state of the original printer
// painter back to the m_picpainter
d->m_picpainter->setPen(painter()->pen());
d->m_picpainter->setBrush(painter()->brush());
d->m_picpainter->setBrushOrigin(painter()->brushOrigin());
d->m_picpainter->setFont(painter()->font());
d->m_picpainter->setOpacity(painter()->opacity());
d->m_picpainter->setTransform(painter()->combinedTransform());
d->m_picengine->syncState();
QPainterState &state = *d->m_picpainter->d_func()->state;
QPainter *oldPainter = state.painter;
state = *painter()->d_func()->state;
state.painter = oldPainter;
}
}
bool QtPrinterTableView::print()
{
Q_D(QtPrinterTableView);
if (! d->printer->isValid()) {
qWarning() << "QtPrinterTableView::print: printer not valid, please setup the printer before calling print";
return false;
}
// next use a view just for the filling of the options...
QGraphicsScene scene;
QtGraphicsTableView view;
scene.addItem(&view);
view.setModel(d->model);
class QTableHeaderDataProvider2 : public QtGraphicsHeaderDataProvider
{
public:
QTableHeaderDataProvider2(QtTableModelInterface *model_) : model(model_) {}
QHash<int,QVariant> data(int logicalIndex, const QList<int> &roles) const
{
// ### call the model - temporary implementation
QHash<int,QVariant> hash;
for (int i = 0; i < roles.count(); ++i)
if (roles.at(i) == Qt::DisplayRole)
hash.insert(Qt::DisplayRole, logicalIndex + 1);
return hash;
}
QtTableModelInterface *model;
};
if (d->horizontalHeader) {
QtGraphicsHeader *header = new QtGraphicsHeader(Qt::Horizontal, &view);
header->setDataProvider(new QTableHeaderDataProvider2(d->model));
header->copySections(*d->horizontalHeader);
view.setHorizontalHeader(header);
}
if (d->verticalHeader) {
QtGraphicsHeader *header = new QtGraphicsHeader(Qt::Vertical, &view);
header->setDataProvider(new QTableHeaderDataProvider2(d->model));
header->copySections(*d->verticalHeader);
view.setVerticalHeader(header);
}
QPainter painter;
if (!painter.begin(d->printer)) {
qWarning() << "QtPrinterTableView::print: printer fails to begin(), sorry can't print";
return false;
}
// re-layout the header footer to the current page size.
if (d->header) {
d->header->documentLayout()->setPaintDevice(d->printer);
d->header->setPageSize(d->printer->pageRect().size());
}
if (d->footer) {
d->footer->documentLayout()->setPaintDevice(d->printer);
d->footer->setPageSize(d->printer->pageRect().size());
}
const qreal headerSize = d->printHeader(painter);
const qreal footerSize = d->printFooter(painter);
const bool vertical = d->orientation == Qt::Vertical;
const qreal scaleX = d->printer->logicalDpiX() / (qreal) qt_defaultDpiX();
const qreal scaleY = d->printer->logicalDpiY() / (qreal) qt_defaultDpiY();
painter.scale(scaleX, scaleY);
const QRect rect = d->printer->pageRect();
QSizeF visibleSize(rect.width() / scaleX, rect.height() / scaleY);
if (vertical)
visibleSize = QSizeF(visibleSize.width(), visibleSize.height() - headerSize - footerSize);
else // then rotate it.
visibleSize = QSizeF(visibleSize.height() - headerSize - footerSize, visibleSize.width());
view.setGeometry(0, 0, visibleSize.width(), visibleSize.height());
view.setHorizontalOffset(0);
int row = 0;
int column;
bool first = true;
qreal offsetInColumn = 0; // for those columns too wide and thus split over more than one page
while (row < d->model->rowCount()) {
column = 0;
view.setFirstRow(row);
qreal height = visibleSize.height();
while (true) {
const qreal rowHeight = view.rowHeight(row);
if (height - rowHeight < 0)
break;
if (row >= d->model->rowCount())
break;
++row;
height -= rowHeight;
}
while (column < d->model->columnCount()) {
if (!first) {
d->printer->newPage();
d->printHeader(painter);
d->printFooter(painter);
}
first = false;
view.setFirstColumn(column);
view.setHorizontalOffset(offsetInColumn);
qreal width = visibleSize.width();
while (true) {
const qreal columnWidth = view.columnWidth(column);
if (width == visibleSize.width() && columnWidth - offsetInColumn > visibleSize.width()) {
// the column doesn't fit on a page. Lets split it.
offsetInColumn += visibleSize.width();
width = 0;
break;
} else if (offsetInColumn > 0) { // we still have a part of a split column to print!
width -= columnWidth - offsetInColumn;
offsetInColumn = 0;
++column;
continue;
}
if (width - columnWidth + offsetInColumn < 0)
break;
if (column >= d->model->columnCount())
break;
++column;
width -= columnWidth;
}
view.doLayout();
painter.save(); // for each page
painter.translate(0, headerSize);
if (!vertical) {
painter.translate(0, visibleSize.width());
painter.rotate(-90);
}
#ifdef DEBUG_TABLES
painter.setPen(QPen(QColor(Qt::green)));
painter.drawRect(QRectF(0, 0, visibleSize.width() - width, visibleSize.height() - height));
#endif
painter.setClipRect(QRectF(0, 0, visibleSize.width() - width, visibleSize.height() - height));
// find and paint children which are the cells
QList<QGraphicsItem*> items = scene.items(view.rect());
QList<QGraphicsItem*>::Iterator iter = items.begin();
for (;iter != items.end(); ++iter) {
QGraphicsItem *parent = *iter;
while (parent != &view && parent != 0) // only draw children of our view
parent = parent->parentItem();
if (parent == 0)
continue;
if (!(*iter)->isVisible())
continue;
painter.save();
painter.translate((*iter)->mapToItem(&view, QPointF()));
#ifdef DEBUG_TABLES
QGraphicsWidget *w = dynamic_cast<QGraphicsWidget*>(*iter);
if (w) {
painter.save();
painter.setPen(QPen(QColor(Qt::red)));
painter.drawRect(QRectF(QPointF(), w->size()));
painter.restore();
}
#endif
(*iter)->paint(&painter, 0);
painter.restore();
}
painter.restore(); // for each page
}
}
return true;
}
void KoStyleThumbnailer::layoutThumbnail(QSize size, QImage *im, KoStyleThumbnailerFlags flags)
{
QPainter p(im);
d->documentLayout->removeRootArea();
KoTextLayoutRootArea rootArea(d->documentLayout);
rootArea.setReferenceRect(0, size.width() * 72.0 / qt_defaultDpiX(), 0, 1E6);
rootArea.setNoWrap(1E6);
FrameIterator frameCursor(d->thumbnailHelperDocument->rootFrame());
rootArea.layoutRoot(&frameCursor);
QSizeF documentSize = rootArea.boundingRect().size();
documentSize.setWidth(documentSize.width() * qt_defaultDpiX() / 72.0);
documentSize.setHeight(documentSize.height() * qt_defaultDpiY() / 72.0);
if (documentSize.width() > size.width() || documentSize.height() > size.height()) {
//calculate the space needed for the font size indicator (should the preview be too big with the style's font size
QTextCursor cursor(d->thumbnailHelperDocument);
cursor.select(QTextCursor::Document);
QString sizeHint = "\t" + QString::number(cursor.charFormat().fontPointSize()) + "pt";
p.save();
QFont sizeHintFont = p.font();
sizeHintFont.setPointSize(8);
p.setFont(sizeHintFont);
QRectF sizeHintRect(p.boundingRect(0, 0, 1, 1, Qt::AlignCenter, sizeHint));
p.restore();
qreal width = qMax<qreal>(0., size.width()-sizeHintRect.width());
QTextCharFormat fmt = cursor.charFormat();
if (flags & ScaleThumbnailFont) {
//calculate the font reduction factor so that the text + the sizeHint fits
qreal reductionFactor = qMin(width/documentSize.width(), size.height()/documentSize.height());
fmt.setFontPointSize((int)(fmt.fontPointSize()*reductionFactor));
}
cursor.mergeCharFormat(fmt);
frameCursor = FrameIterator(d->thumbnailHelperDocument->rootFrame());
rootArea.setReferenceRect(0, width * 72.0 / qt_defaultDpiX(), 0, 1E6);
rootArea.setNoWrap(1E6);
rootArea.layoutRoot(&frameCursor);
documentSize = rootArea.boundingRect().size();
documentSize.setWidth(documentSize.width() * qt_defaultDpiX() / 72.0);
documentSize.setHeight(documentSize.height() * qt_defaultDpiY() / 72.0);
//center the preview in the pixmap
qreal yOffset = (size.height()-documentSize.height())/2;
p.save();
if ((flags & CenterAlignThumbnail) && yOffset) {
p.translate(0, yOffset);
}
p.scale(qt_defaultDpiX() / 72.0, qt_defaultDpiY() / 72.0);
KoTextDocumentLayout::PaintContext pc;
rootArea.paint(&p, pc);
p.restore();
p.setFont(sizeHintFont);
p.drawText(QRectF(size.width()-sizeHintRect.width(), 0, sizeHintRect.width(),
size.height() /*because we want to be vertically centered in the pixmap, like the style name*/),Qt::AlignCenter, sizeHint);
}
else {
//center the preview in the pixmap
qreal yOffset = (size.height()-documentSize.height())/2;
if ((flags & CenterAlignThumbnail) && yOffset) {
p.translate(0, yOffset);
}
p.scale(qt_defaultDpiX() / 72.0, qt_defaultDpiY() / 72.0);
KoTextDocumentLayout::PaintContext pc;
rootArea.paint(&p, pc);
}
}