RichView TRVStyle TextStyles

RichView  TRVStyle TextStyles

    One 、TextStyles
    This is a TRVStyle A key attribute of : Text attribute ( style ) Set .

    TextStyle Defines fonts and other text properties .

proerty TextStyles : TFontInfos;

     TextSytle yes TfontInfo Set ,TfontInfo yes TCustomRVFontInfo Subclasses of , Inheritance relationships TObject → TPersistent → TCollectionItem → TCustomRVInfo → TCustomRVFontInfo
     

    Two 、ITEM
    stay TRVStyle in ,TextStyles With TextStyles[n] The form . Such as ：TextStyles[0], Is the first text style in the collection .TextStyles[n] Of N value 0..n-1.
    The default color will be carried to the next page after page change , stay HTML file (D3+) Contains this style of character set to store language information ;
    In some cases , This style is used as the default style , Therefore, it is recommended to use it as a style for normal text ; Please don't put rvprDoNotAutoSwitch Set to protected mode ;
    This style can be used for hypertext , But it is not recommended. .

    3、 ... and 、 attribute
    StyleName           // Style name  
    FontName            // Font name ;
    Size                     // font size
    DoubleSize          // Double font size ;
    Color                    // text color ;
    Style;                    // Text style ( bold , Italics , Underline , Delete line )(bold, italic, underline, strikeout);
    Charset                 // Font character set ( Used for the unicode Text style ).
    BackColor            // Text background color ;
    UnderlineColor      // Underline color ;
    UnderlineType       // Underline style (normal、double、 Dotted line, etc );

    Four 、 Related properties
    1、Style
type  TFontStyle = (fsBold, fsItalic, fsUnderline, fsStrikeOut);
type  TFontStyles = set of TFontStyle;

    2、UnderlineType
type
  TRVUnderlineType = (rvutNormal, rvutThick, rvutDouble,rvutDotted, rvutThickDotted,
    rvutDashed, rvutThickDashed,
    rvutLongDashed, rvutThickLongDashed,
    rvutDashDotted, rvutThickDashDotted,
    rvutDashDotDotted, rvutThickDashDotDotted);
end;

    3、Charset
    Specify the character set for the styled text .
property Charset: TRVFontCharset;
    because TRichView All text in the is in the form of Unicode Format store , Therefore, this character set is not used when drawing text ( But in some cases ANSIUnicode The character set is still used in the conversion method , To determine the code page for this style of text ( Language )). However , It is strongly recommended to use symbol Fonts ( Such as “symbol”,“Wingdings”,“Webdings”) When you specify SYMBOL_CHATSET.
    Be careful : This attribute in FireMonkey There is , It is not used to draw text .
    The default value is : DEFAULT_CHARSET

    5、 ... and 、TextStyles The default value is
    TRVStyle in ,TextStyles The default value is （6 individual ）：
Normal text        // Normal text
Heading             // title
Subheading        // Subtitle
Keywords           // keyword  
Jump 1               // Hypertext 1
Jump 2               // Hypertext 2    

    6、 ... and 、 Build your own TextStyles
 

  RVStyle1.TextStyles.Clear;
  with RVStyle1.TextStyles.Add do begin
    StyleName := 'Normal Text';
    FontName:=' Song style ';         //  Font name ;
    Size:=11;                 //  font size 
    DoubleSize                //  Double font size ;
    Color:= clBlack;          //  text color ;
    Style:=[];                //  Text style ( bold , Italics , Underline , Delete line )(bold, italic, underline, strikeout);
//    Charset:=;            //  Font character set ( Used for the unicode Text style ).
//    BackColor:=clRed;      //  Text background color ;
//    UnderlineColor:=;      //  Underline color ;
//    UnderlineType:=;       //  Underline style (TRVUnderlineType）;
  end;
  with RVStyle1.TextStyles.Add do begin
    StyleName := 'Heading 1';
    FontName:=' In black ';         //  Font name ;
    Size:=16;                 //  font size 
    DoubleSize                //  Double font size ;
    Color:= clBlack;          //  text color ;
    Style:=[fsBold]           //  Text style ( bold , Italics , Underline , Delete line )(bold, italic, underline, strikeout);
  end;
  with RVStyle1.TextStyles.Add do begin
    StyleName := 'Heading 2';
    FontName:=' Song style ';         //  Font name ;
    Size:=14;                 //  font size 
    DoubleSize                //  Double font size ;
    Color:= clBlack;          //  text color ;
    Style:=[];                //  Text style ( bold , Italics , Underline , Delete line )(bold, italic, underline, strikeout);
  end;