void ScPattern::createPreview()
{
double sc = 500.0 / qMax(width, height);
bool savedFlag = doc->guidesPrefs().framesShown;
bool savedDoDrawing = doc->DoDrawing;
doc->guidesPrefs().framesShown = false;
doc->DoDrawing = true;
pattern = QImage(qRound(width * sc), qRound(height * sc), QImage::Format_ARGB32_Premultiplied);
pattern.fill( qRgba(0, 0, 0, 0) );
ScPainter *painter = new ScPainter(&pattern, pattern.width(), pattern.height(), 1, 0);
painter->setZoomFactor(sc);
for (int i = 0; i < items.count(); ++i)
{
PageItem* embedded = items.at(i);
painter->save();
painter->translate(embedded->gXpos, embedded->gYpos);
embedded->isEmbedded = true;
embedded->invalid = true;
embedded->DrawObj(painter, QRectF());
embedded->isEmbedded = false;
painter->restore();
}
painter->end();
delete painter;
doc->DoDrawing = savedDoDrawing;
doc->guidesPrefs().framesShown = savedFlag;
}
QString ScriXmlDoc::WriteElem(ScribusDoc *doc, Selection* selection)
{
if (selection->count()==0)
return "";
double xp, yp, wp, hp;
PageItem *item;
QString documentStr = "";
item = selection->itemAt(0);
QList<PageItem*> emG;
QMap<int, PageItem*> emMap;
emG.clear();
for (int cor = 0; cor < selection->count(); ++cor)
{
emMap.insert(doc->Items->indexOf(selection->itemAt(cor)), selection->itemAt(cor));
}
emG = emMap.values();
double selectionWidth = 0;
double selectionHeight = 0;
if (selection->isMultipleSelection())
{
double gx, gy, gw, gh;
selection->getGroupRect(&gx, &gy, &gw, &gh);
xp = gx;
yp = gy;
wp = gw;
hp = gh;
selection->getVisualGroupRect(&gx, &gy, &selectionWidth, &selectionHeight);
}
else
{
double minx = std::numeric_limits<double>::max();
double miny = std::numeric_limits<double>::max();
double maxx = -std::numeric_limits<double>::max();
double maxy = -std::numeric_limits<double>::max();
double x1, x2, y1, y2;
item->getVisualBoundingRect(&x1, &y1, &x2, &y2);
xp = qMin(minx, x1);
yp = qMin(miny, y1);
selectionWidth = wp = qMax(maxx, x2) - xp;
selectionHeight = hp = qMax(maxy, y2) - yp;
}
double scaleI = 50.0 / qMax(selectionWidth, selectionHeight);
QImage retImg = QImage(50, 50, QImage::Format_ARGB32_Premultiplied);
retImg.fill( qRgba(0, 0, 0, 0) );
ScPainter *painter = new ScPainter(&retImg, retImg.width(), retImg.height(), 1, 0);
painter->setZoomFactor(scaleI);
for (int em = 0; em < emG.count(); ++em)
{
PageItem* embedded = emG.at(em);
painter->save();
painter->translate(-xp, -yp);
embedded->invalid = true;
embedded->DrawObj(painter, QRectF());
painter->restore();
}
int pg = doc->OnPage(xp + wp / 2.0, yp + hp / 2.0);
if (pg > -1)
{
xp = xp - doc->getXOffsetForPage(pg);
yp = yp - doc->getYOffsetForPage(pg);
}
delete painter;
QBuffer buffer;
buffer.open(QIODevice::WriteOnly);
retImg.save(&buffer, "PNG");
QByteArray ba = buffer.buffer().toBase64();
buffer.close();
const FileFormat *fmt = LoadSavePlugin::getFormatById(FORMATID_SLA150EXPORT);
if (fmt)
{
fmt->setupTargets(doc, 0, doc->scMW(), 0, &(PrefsManager::instance()->appPrefs.fontPrefs.AvailFonts));
documentStr = fmt->saveElements(xp, yp, wp, hp, selection, ba);
}
return documentStr;
}