api:dk11:delphi:fmx.gisprinters.tgis_customprinterpreview
Table of Contents
TGIS_CustomPrinterPreview class
DK for Delphi | FMX.GisPrinters.TGIS_CustomPrinterPreview | Classes | Constructors | Fields | Methods | Properties
Print preview wrapper for custom page formats, providing bitmap-based preview output with overridden page size and print area handling.
Syntax
// Delphi type TGIS_CustomPrinterPreview = class( TGIS_PrinterPreview ) end;
// C++ Builder class PASCALIMPLEMENTATION TGIS_CustomPrinterPreview : public TGIS_PrinterPreview { };
Inheritance
Constructors
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Create(TPrinter) | public | Creates a printer wrapper based on an existing TPrinter instance. (Inherited from TGIS_PrinterPreview) |
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| Create(TPrinter; Integer; Single) | public | Creates a print preview printer with explicit system PPI and canvas scale values. (Inherited from TGIS_PrinterPreview) |
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| Create(TPrinter; String) | public | Creates a custom print preview wrapper based on an existing printer. | |
| Create(TPrinter; String; Integer; Single) | public | Creates a custom print preview wrapper using explicit system PPI and canvas scale values. | |
Fields
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| FAborted | protected | Indicates whether preview generation has been aborted. (Inherited from TGIS_PrinterPreview) |
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| FBitmap | protected | Bitmap created by print preview. (Inherited from TGIS_PrinterPreview) |
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| FCanvasScale | protected | Canvas scale; should be taken from GIS.ControlCanvasScale. (Inherited from TGIS_PrinterPreview) |
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| FPageNumber | protected | Current preview page number. (Inherited from TGIS_PrinterPreview) |
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| FPixelsPerInch | protected | Preview resolution in pixels per inch (PPI). (Inherited from TGIS_PrinterPreview) |
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| FPrinter | protected | Underlying TPrinter object. (Inherited from TGIS_Printer) |
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| FPrinting | protected | Indicates whether preview generation is currently in progress. (Inherited from TGIS_PrinterPreview) |
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| FSystemPPI | protected | System PPI; should be taken from GIS.ControlSystemPPI. (Inherited from TGIS_PrinterPreview) |
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| FTitle | protected | Document title used for the preview printer. (Inherited from TGIS_PrinterPreview) |
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| FVirtualPrinter | protected | True if the underlying device is a virtual printer driver such as print preview or PDF output. (Inherited from TGIS_Printer) |
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Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Abort | public | (Inherited from TGIS_PrinterPreview) |
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| BeginDoc | public | (Inherited from TGIS_PrinterPreview) |
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| EndDoc | public | (Inherited from TGIS_PrinterPreview) |
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| NewPage | public | (Inherited from TGIS_PrinterPreview) |
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| TwipsToX | public | (Inherited from TGIS_PrinterPreview) |
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| TwipsToY | public | (Inherited from TGIS_PrinterPreview) |
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Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Aborted | public | True if the current print job has been aborted. (Inherited from TGIS_Printer) |
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| Bitmap | public | Bitmap created by print preview. (Inherited from TGIS_PrinterPreview) |
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| Canvas | public | Canvas of the underlying TPrinter used for drawing print output. (Inherited from TGIS_Printer) |
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| CanvasScale | public | Canvas scale. (Inherited from TGIS_PrinterPreview) |
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| Dpi | public | Printer resolution in dots per inch (DPI). (Inherited from TGIS_Printer) |
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| PageHeight | public | Physical page height in device pixels. (Inherited from TGIS_Printer) |
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| PageNumber | public | Current page number reported by the underlying TPrinter. (Inherited from TGIS_Printer) |
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| PageSize | public | Physical page size in device pixels. (Inherited from TGIS_Printer) |
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| PageWidth | public | Physical page width in device pixels. (Inherited from TGIS_Printer) |
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| PPI | public | Pixels per inch (PPI) of the preview device. (Inherited from TGIS_PrinterPreview) |
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| PrintArea | public | Physical printable area on the page. (Inherited from TGIS_Printer) |
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| Printer | public | Underlying TPrinter object. (Inherited from TGIS_Printer) |
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| Printing | public | True while the underlying TPrinter is processing a print job. (Inherited from TGIS_Printer) |
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| Renderer | public | Renderer object created on printer canvas. (Inherited from TGIS_Printer) |
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| SystemPPI | public | System PPI used for preview scaling. (Inherited from TGIS_PrinterPreview) |
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| Title | public | Title of the current print job. (Inherited from TGIS_Printer) |
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| VirtualPrinter | public | True if the target device is a virtual printer driver rather than a physical printer, for example print preview or PDF output. (Inherited from TGIS_Printer) |
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2026/07/11 00:18