Introduction Class TWPCustomRTFControl Class TWPRichText Class TWPCustomRichText Class TDBWPRichText Class TWPCustomRtfEdit Class TWPPreview Class TWPRichTextLabel

Class TWPToolbar Class TWPToolButton Class TWPToolPanel Class TWPVertRuler Class TWPRuler Class TWPGutter

Class TTextHeader Class TWPRTFSectionProps Class TWPOwnedCharAttrInterface Class TWPStoredCharAttrInterface Class TWPAbstractCharAttrInterface Class TWPAbstractCharParAttrInterface Class TWPCursorCharAttrInterface Class TWPFoundTextAttrInterface Class TWPCurrentWritingmodeAttrInterface

Class TWPRTFReaderEx Class TWPRTFReader Class TWPRTFWriter Class TWPRTFWriterEx Class TWPToolsReaderWriter Class TWPTextWriter Class TWPHTMLWriter Class TWPTOOLSWriter Class TWPUNITextWriter Class TWPCustomTextWriter Class TWPTextReader Class TWPHTMLReader Class TWPTOOLSReader Class TWPUNITextReader Class TWPCustomTextReader

Class TWPRTFDataCollectionBase Class TWPRTFDataCollection Class TWPRTFDataBlock Class TWPRTFDataBlockEd Class TParagraph Class TWPTextStyle Class TWPORTFTextBox Class TWPObjectField Class TWPObject Class TWPRTFEngineBasis Class TWPRTFEngineEdit

Class TWPManageHeaderFooterDlg Class TWPPagePropDlg Class TWPParagraphBorderDlgEx Class TWPParagraphBorderDlg Class TWPTabDlgPrp Class TWPOneStyleDlg Class TWPBulletDlg Class TWPSymbolDlg Class TWPSymbolDlgEx Class TWPSpellCheckDlg Class TWPStringDlg Class TWPStyleDlg Class TWPCustomAttrDlg Class TWPSearchReplaceDlg Class TWPParagraphPropDlg Class TWPPreviewDlg Class TWPReportBandsDialog Class TWPTableDlg

Class TWPSuperMerge Class TDBWPEvalEngine Class TWPEvalEngine Class TWPTableProducer Class TWPBand Class TWPDataSetAbstractAdapter

Class TWPSvgXMLNode Class TWPXMLOneLevel Class TWPCustomXMLInterface Class TWPXMLInterface Class TWPLanguageControl Class TWPXMLTree Class TWPSVGXMLTree Class TWPCustomXMLTree

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Class TWPPaintEngine

Hierarchy

System.TObject | System.Classes.TPersistent | System.Classes.TComponent | TWPPaintEngine

Subclasses

WPCTRMemo.TWPPaintEngineAndData

Description

This component paints the text in the attached text object to a given Canvas using its method .


    // Paint at 100%
    procedure TForm1.PaintBox1Paint(Sender: TObject);
    begin
    WPPaintEngine1.Draw(PaintBox1.Canvas,
    10, 10, PaintBox1.Height,
    WPScreenPixelsPerInch,
    WPScreenPixelsPerInch, 0 );
    end;


    // Paint at 50%
    procedure TForm1.PaintBox1Paint(Sender: TObject);
    begin
    WPPaintEngine1.Draw(PaintBox1.Canvas,
    10, 10, PaintBox1.Height,
    WPScreenPixelsPerInch div 2,
    WPScreenPixelsPerInch div 2, 0 );
    end;

Note: In case you need to use one RTFData object with one TWPPaintEngine you can create one instance of the class. To edit the text You can assign the RTFData to the property .

Properties

Property AsAnsiString : AnsiString

Property DefaultFormat : string

Property Memo : TWPRTFEnginePaint

Property Name : TComponentName

Property PageSizes : TWPPaintEnginePaintSizes

Property RTFData : TWPRTFDataCollection

Methods

Create(aOwner:TComponent)

Procedure DeletePage(index:Integer)

Procedure DoMeasurePage(Sender:TObject; PageInfo:TWPMeasurePageParam)

Function Draw(outCanvas:TCanvas; r:TRect; zoom:Integer; starty:Integer; HandlePageBreaks:Boolean) : Integer

Function GetAnsiString : AnsiString

Function GetARTFData : TWPRTFDataCollection

Function GetMetafile(PageNr:Integer; WithHeaderFooter:Boolean) : TMetafile

Procedure InitCanvas(toCanvas:TCanvas; Start:Boolean)

Procedure LoadFromStream(Stream:TStream; FormatString:string)

Procedure MakeRTFData

Function PageCount : Integer

Function PaintPageOnCanvas(PaintPageNr:Integer; X:Integer; Y:Integer; pw:Integer; ph:Integer; DestCanvas:TCanvas; PaintMode:TWPPaintModes; DestXRes:Integer; DestYRes:Integer; ClipY:Integer; ClipH:Integer; PaintPageMode:TWPRTFEnginePaintPagesModes) : Boolean

Function Reformat : Integer

Procedure ReformatAll(InitializeAll:Boolean)

Procedure RemoveRTFData

Procedure SetAnsiString(x:AnsiString)

Procedure SetARTFData(X:TWPRTFDataCollection)

Procedure SetRTFData(ARTFData:TWPRTFDataCollection)

Function TextHeight(Resolution:Integer) : Integer

Used or referenced by

-Property TWPRTFBalloonHint.Painter : TWPPaintEngine