/**
* Loads the given pattern file into this pattern.
* Entities other than lines are ignored.
*
* @param filename File name of the pattern file (without path and
* extension or full path.
*/
bool RS_Pattern::loadPattern() {
if (loaded) {
return true;
}
RS_DEBUG->print("RS_Pattern::loadPattern");
QString path;
// Search for the appropriate pattern if we have only the name of the pattern:
if (!fileName.toLower().contains(".dxf")) {
QStringList patterns = RS_SYSTEM->getPatternList();
QFileInfo file;
for (QStringList::Iterator it = patterns.begin();
it!=patterns.end();
it++) {
if (QFileInfo(*it).baseName().toLower()==fileName.toLower()) {
path = *it;
RS_DEBUG->print("Pattern found: %s", path.toLatin1().data());
break;
}
}
}
// We have the full path of the pattern:
else {
path = fileName;
}
// No pattern paths found:
if (path.isEmpty()) {
RS_DEBUG->print("No pattern \"%s\"available.", fileName.toLatin1().data());
return false;
}
RS_Graphic* gr = new RS_Graphic();
// TODO: Find out why the new dxf filter doesn't work for patterns:
RS_FILEIO->fileImport(*gr, path, RS2::FormatDXF1);
for (RS_Entity* e=gr->firstEntity(); e!=NULL; e=gr->nextEntity()) {
if (e->rtti()==RS2::EntityLine || e->rtti()==RS2::EntityArc) {
RS_Layer* l = e->getLayer();
RS_Entity* cl = e->clone();
cl->reparent(this);
if (l!=NULL) {
cl->setLayer(l->getName());
}
addEntity(cl);
}
}
delete gr;
loaded = true;
RS_DEBUG->print("RS_Pattern::loadPattern: OK");
return true;
}
/**
* @return Path to the thumbnail of the given DXF file. If no thumbnail exists, one is
* created in the user's home. If no thumbnail can be created, an empty string is returned.
*/
QString QG_LibraryWidget::getPathToPixmap(const QString& dir,
const QString& dxfFile,
const QString& dxfPath) {
// the thumbnail must be created in the user's home.
#if QT_VERSION < 0x040400
QString iconCacheLocation = emu_qt44_storageLocationData() + QDir::separator() + "iconCache" + QDir::separator();
#elif QT_VERSION >= 0x050000
QString iconCacheLocation=QStandardPaths::writableLocation(QStandardPaths::DataLocation) + QDir::separator() + "iconCache" + QDir::separator();
#else
QString iconCacheLocation=QDesktopServices::storageLocation(QDesktopServices::DataLocation) + QDir::separator() + "iconCache" + QDir::separator();
#endif
RS_DEBUG->print("QG_LibraryWidget::getPathToPixmap: "
"dir: '%s' dxfFile: '%s' dxfPath: '%s'",
dir.toLatin1().data(), dxfFile.toLatin1().data(), dxfPath.toLatin1().data());
// List of all directories that contain part libraries:
QStringList directoryList = RS_SYSTEM->getDirectoryList("library");
directoryList.prepend(iconCacheLocation);
QStringList::Iterator it;
QFileInfo fiDxf(dxfPath);
QString itemDir;
QString pngPath;
// look in all possible system directories for PNG files
// in the current library path:
for (it=directoryList.begin(); it!=directoryList.end(); ++it) {
itemDir = (*it)+dir;
pngPath = itemDir + QDir::separator() + fiDxf.baseName() + ".png";
RS_DEBUG->print("QG_LibraryWidget::getPathToPixmap: checking: '%s'",
pngPath.toLatin1().data());
QFileInfo fiPng(pngPath);
// the thumbnail exists:
if (fiPng.isFile()) {
RS_DEBUG->print("QG_LibraryWidget::getPathToPixmap: dxf date: %s, png date: %s",
fiDxf.lastModified().toString().toLatin1().data(), fiPng.lastModified().toString().toLatin1().data());
if (fiPng.lastModified() > fiDxf.lastModified()) {
RS_DEBUG->print("QG_LibraryWidget::getPathToPixmap: thumbnail found: '%s'",
pngPath.toLatin1().data());
return pngPath;
} else {
RS_DEBUG->print("QG_LibraryWidget::getPathToPixmap: thumbnail needs to be updated: '%s'",
pngPath.toLatin1().data());
}
}
}
// create all directories needed:
RS_SYSTEM->createPaths(iconCacheLocation + dir);
// QString foo=iconCacheLocation + dir + QDir::separator() + fiDxf.baseName() + ".png";
pngPath = iconCacheLocation + dir + QDir::separator() + fiDxf.baseName() + ".png";
QPixmap* buffer = new QPixmap(128,128);
RS_PainterQt painter(buffer);
painter.setBackground(RS_Color(255,255,255));
painter.eraseRect(0,0, 128,128);
RS_StaticGraphicView gv(128,128, &painter);
RS_Graphic graphic;
if (graphic.open(dxfPath, RS2::FormatUnknown)) {
gv.setContainer(&graphic);
gv.zoomAuto(false);
// gv.drawEntity(&graphic, true);
for (RS_Entity* e=graphic.firstEntity(RS2::ResolveAll);
e; e=graphic.nextEntity(RS2::ResolveAll)) {
if (e->rtti() != RS2::EntityHatch){
RS_Pen pen = e->getPen();
pen.setColor(Qt::black);
e->setPen(pen);
}
gv.drawEntity(&painter, e);
}
QImageWriter iio;
QImage img;
img = buffer->toImage();
img = img.scaled(64,64, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
// iio.setImage(img);
iio.setFileName(pngPath);
iio.setFormat("PNG");
if (!iio.write(img)) {
pngPath = "";
RS_DEBUG->print(RS_Debug::D_ERROR,
"QG_LibraryWidget::getPathToPixmap: Cannot write thumbnail: '%s'",
pngPath.toLatin1().data());
}
} else {
RS_DEBUG->print(RS_Debug::D_ERROR,
"QG_LibraryWidget::getPathToPixmap: Cannot open file: '%s'",
dxfPath.toLatin1().data());
}
// GraphicView deletes painter
painter.end();
delete buffer;
return pngPath;
}
