bool QtopiaPrintEngine::begin(QPaintDevice *)
{
Q_D(QtopiaPrintEngine);
Q_ASSERT_X(d->printerState == QPrinter::Idle, "QtopiaPrintEngine", "printer already active");
// Create a new off-screen monochrome image to handle the drawing process.
QSize size = paperRect().size();
if ( d->pageImage )
delete d->pageImage;
d->pageImage = new QImage( size, QImage::Format_RGB32 );
if ( !(d->pageImage) )
return false;
// Recreate the paint engine on the new image.
delete d->_paintEngine;
d->_paintEngine = 0;
d->paintEngine()->state = state;
// Begin the paint process on the image.
if (!d->paintEngine()->begin(d->pageImage))
return false;
// Clear the first page to all-white.
clearPage();
// Clear the print buffer and output the image header.
d->buffer.clear();
d->writeG3FaxHeader();
// The print engine is currently active.
d->printerState = QPrinter::Active;
return true;
}
QRect QtopiaPrintEngine::pageRect() const
{
QRect r = paperRect();
if (d_func()->fullPage)
return r;
// would be nice to get better margins than this.
return QRect(d_func()->resolution/3, d_func()->resolution/3, r.width()-2*d_func()->resolution/3, r.height()-2*d_func()->resolution/3);
}
QRectF TextPrinter::footerRect(QPaintDevice *device)
{
QRectF rect = paperRect(device);
rect.adjust(mmToInches(leftmargin_) * device->logicalDpiX(), 0,
-mmToInches(rightmargin_) * device->logicalDpiX(),
-mmToInches(bottommargin_) * device->logicalDpiY());
rect.setTop(rect.bottom() -
mmToInches(footersize_) * device->logicalDpiY());
return rect;
};
BMessage*
PrinterDriver::GetDefaultSettings()
{
BMessage* msg = new BMessage();
BRect paperRect(0, 0, letter_width, letter_height);
BRect printableRect(paperRect);
printableRect.InsetBy(10, 10);
msg->AddRect("paper_rect", paperRect);
msg->AddRect("printable_rect", printableRect);
msg->AddInt32("orientation", 0);
msg->AddInt32("xres", 300);
msg->AddInt32("yres", 300);
return msg;
}
QRectF TextPrinter::headerRect(QPaintDevice *device)
{
QRectF rect = paperRect(device);
rect.adjust(mmToInches(leftmargin_) * device->logicalDpiX(),
mmToInches(topmargin_) * device->logicalDpiY(),
-mmToInches(rightmargin_) * device->logicalDpiX(), 0);
(headerrule_ / 144.0);
rect.setBottom(rect.top() +
mmToInches(headersize_) * device->logicalDpiY());
return rect;
};
int QtopiaPrintEngine::metric(QPaintDevice::PaintDeviceMetric metricType) const
{
int val;
QRect r = d_func()->fullPage ? paperRect() : pageRect();
switch (metricType) {
case QPaintDevice::PdmWidth:
val = r.width();
break;
case QPaintDevice::PdmHeight:
val = r.height();
break;
case QPaintDevice::PdmDpiX:
val = d_func()->resolution;
break;
case QPaintDevice::PdmDpiY:
val = d_func()->resolution;
break;
case QPaintDevice::PdmPhysicalDpiX:
case QPaintDevice::PdmPhysicalDpiY:
val = QT_QWS_PRINTER_DEFAULT_DPI;
break;
case QPaintDevice::PdmWidthMM:
val = qRound(r.width()*25.4/d_func()->resolution);
break;
case QPaintDevice::PdmHeightMM:
val = qRound(r.height()*25.4/d_func()->resolution);
break;
case QPaintDevice::PdmNumColors:
val = 2;
break;
case QPaintDevice::PdmDepth:
val = 1;
break;
default:
qWarning("QtopiaPrintEngine::metric: Invalid metric command");
return 0;
}
return val;
}
QRectF TextPrinter::contentRect(QPaintDevice *device)
{
// calculate size of content (paper - margins)
QRectF rect = paperRect(device);
rect.adjust(mmToInches(leftmargin_) * device->logicalDpiX(),
mmToInches(topmargin_) * device->logicalDpiY(),
-mmToInches(rightmargin_) * device->logicalDpiX(),
-mmToInches(bottommargin_) * device->logicalDpiY());
// header
if (headersize_ > 0) {
rect.adjust(0, mmToInches(headersize_) * device->logicalDpiY(), 0, 0);
rect.adjust(0, mmToInches(spacing_) * device->logicalDpiY(), 0, 0);
}
// footer
if (footersize_ > 0) {
rect.adjust(0, 0, 0, -mmToInches(footersize_) * device->logicalDpiY());
rect.adjust(0, 0, 0, -mmToInches(spacing_) * device->logicalDpiY());
}
return rect;
}
QVariant QtopiaPrintEngine::property(PrintEnginePropertyKey key) const
{
Q_D(const QtopiaPrintEngine);
QVariant ret;
switch (key) {
case PPK_CollateCopies:
ret = d->collateCopies;
break;
case PPK_ColorMode:
ret = d->colorMode;
break;
case PPK_Creator:
ret = d->creator;
break;
case PPK_DocumentName:
ret = d->docName;
break;
case PPK_FullPage:
ret = d->fullPage;
break;
case PPK_CopyCount: // fallthrough
case PPK_NumberOfCopies:
ret = d->numCopies;
break;
case PPK_SupportsMultipleCopies:
ret = false;
break;
case PPK_Orientation:
ret = d->orientation;
break;
case PPK_OutputFileName:
ret = d->outputFileName;
break;
case PPK_PageOrder:
ret = d->pageOrder;
break;
case PPK_PageRect:
ret = pageRect();
break;
case PPK_PaperSize:
ret = d->paperSize;
break;
case PPK_PaperRect:
ret = paperRect();
break;
case PPK_PaperSource:
ret = d->paperSource;
break;
case PPK_PrinterName:
ret = d->printerName;
break;
case PPK_PrinterProgram:
ret = d->printProgram;
break;
case PPK_Resolution:
ret = d->resolution;
break;
case PPK_SupportedResolutions:
ret = QList<QVariant>() << QT_QWS_PRINTER_DEFAULT_DPI;
break;
default:
break;
}
return ret;
}
