QPRINTER PDF

There are also some settings that the user sets through the printer dialog and that applications are expected to obey. When QPainter::begin is called, the QPrinter it operates on is prepared for a new page, enabling the QPainter to be used immediately to paint the first page in a document. Once the first page has been painted, newPage can be called to request a new blank page to paint on, or QPainter::end can be called to finish printing. The second page and all following pages are prepared using a call to newPage before they are painted. The first page in a document does not need to be preceded by a call to newPage.

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This device represents a series of pages of printed output, and is used in almost exactly the same way as other paint devices such as QWidget and QPixmap.

A set of additional functions are provided to manage device-specific features, such as orientation and resolution, and to step through the pages in a document as it is generated.

As an alternative, the printProgram function can be used to specify the command or utility to use instead of the system default. Note that setting parameters like paper size and resolution on an invalid printer is undefined. You can use QPrinter::isValid to verify this before changing any parameters. QPrinter supports a number of parameters, most of which can be changed by the end user through a print dialog.

The most important parameters are: setOrientation tells QPrinter which page orientation to use. Many of these functions can only be called before the actual printing begins i. There are also some settings that the user sets through the printer dialog and that applications are expected to obey.

When QPainter::begin is called, the QPrinter it operates on is prepared for a new page, enabling the QPainter to be used immediately to paint the first page in a document. Once the first page has been painted, newPage can be called to request a new blank page to paint on, or QPainter::end can be called to finish printing. The second page and all following pages are prepared using a call to newPage before they are painted. The first page in a document does not need to be preceded by a call to newPage.

You only need to calling newPage after QPainter::begin if you need to insert a blank page at the beginning of a printed document. Similarly, calling newPage after the last page in a document is painted will result in a trailing blank page appended to the end of the printed document. If you want to abort the print job, abort will try its best to stop printing. It may cancel the entire job or just part of it. Since QPrinter can print to any QPrintEngine subclass, it is possible to extend printing support to cover new types of printing subsystem by subclassing QPrintEngine and reimplementing its interface.

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This device represents a series of pages of printed output, and is used in almost exactly the same way as other paint devices such as QWidget and QPixmap. A set of additional functions are provided to manage device-specific features, such as orientation and resolution, and to step through the pages in a document as it is generated. As an alternative, the printProgram function can be used to specify the command or utility to use instead of the system default. Note that setting parameters like paper size and resolution on an invalid printer is undefined. You can use QPrinter::isValid to verify this before changing any parameters. QPrinter supports a number of parameters, most of which can be changed by the end user through a print dialog.

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QPrinter class is a paint device that paints on a printer. This device represents a series of pages of printed output, and is used in almost exactly the same way as other paint devices such as PySide. QWidget and PySide. A set of additional functions are provided to manage device-specific features, such as orientation and resolution, and to step through the pages in a document as it is generated. QPrinter uses the built-in printer drivers. On X11, PySide.

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