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 TWPAttrCache

Hierarchy

System.TObject | TWPAttrCache

Description

TWPAttrCache - An instance is created by TWPRTFProps to hold all attributes a certain text uses. Each character only holds the index to the list of attributes or 0 for a neutral attr to use the inherited style (from par, style, parent)
Advantages of this system: During initialisation we don't have to check if the attribute changes since we only have to compare the index. We can store a small cache of index/attr pairs to save the actual values.

Properties

Property CharAttrCount : Integer

Methods

Procedure Clear

Create

Destroy

Procedure EnumCharAttr(param:TObject; Proc:TWPAttrCacheEnumProc)

Function GetCharAttr(Index:Cardinal; CharAttr:TWPCharAttr) : Boolean

Procedure GetFontCharsetList(RTFData:TWPRTFDataCollectionBase; FontNames:TStringList; CharAttrMap:; Ignore:TWPGetFontCharsetList)

Procedure GetFontFavorites(RTFData:TWPRTFDataCollectionBase; FontNames:TStringList; MaxCount:Integer)

Function GetIndex(CharAttr:TWPCharAttr) : Integer

Function GetNewIndex(currindex:Cardinal; valueindex:Integer; Value:Integer) : Integer

Function MergeCharAttr(baseca:TWPCharAttr; SourceCA:TWPCharAttr; CharAttr:TWPCharAttr) : Boolean

Procedure OverrideCharAttr(Index:Cardinal; CharAttr:TWPCharAttr)

Procedure RemoveDifferentProps(SourceCharAttr:TWPCharAttr; CompareIndex:Cardinal)

Procedure SetCharAttr(Index:Cardinal; CharAttr:TWPCharAttr)

Used or referenced by

-Property TWPRTFProps.Attributes : TWPAttrCache