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GdiPlus[44]: IGPGraphics ( 3) 有关文本绘制续 - IGPStringFormat
来源: 发布时间:星期六, 2009年12月26日 浏览:0次 评论:0
IGPStringFormat ![](/icons/11424de.gif) 思路方法和属性: //思路方法: IGPStringFormat.GetTabStops ; { 获取制表位 } IGPStringFormat.SetTabStops ; { 设置制表位 } IGPStringFormat.SetDigitSubstitution ; { 指定用本地数字替换西方数字时使用 语言和思路方法 } IGPStringFormat.SetMeasurableCharacterRanges ; { 指定 IGPCharacterRanges 结构![](/icons/11424de.gif) } //属性: IGPStringFormat.FormatFlags; { 获取或设置 TGPStringFormatFlags 集合 } IGPStringFormat.Alignment; { 获取或设置水平对齐 } IGPStringFormat.LineAlignment; { 获取或设置垂直对齐 } IGPStringFormat.HotkeyPrefix; { 获取或设置 TGPHotkeyPrefix 枚举 } IGPStringFormat.DigitSubstitutionLanguage; { 获取或设置用本地数字替换西方数字时使用 语言 } IGPStringFormat.DigitSubstitutionMethod; { 获取或设置要用于数字替换 思路方法 } IGPStringFormat.Trimming; { 获取或设置 TGPStringTrimming 枚举 } IGPStringFormat.MeasurableCharacterRangeCount { 指定 IGPCharacterRanges 结构中![](/icons/11424de.gif) 总数 } //类 : TGPStringFormat.GenericDefault; { 默认 TGPStringFormat 对象 } TGPStringFormat.GenericTypographic; { 般 版式 TGPStringFormat 对象 } IGPStringFormat.Alignment 测试:
![](http://CrazyCoder.cn/WebFiles/200912/f33100d4-99a2-45e2-807e-0a75a72619f3.png) uses GdiPlus; procedure TForm1.FormPa (Sender: TObject); const str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; var Graphics: IGPGraphics; Brush: IGPSolidBrush; Pen: IGPPen; Font: IGPFont; StringFormat: IGPStringFormat; Rect: TGPRectF; begin Graphics := TGPGraphics.Create(Handle); Brush := TGPSolidBrush.Create(TGPColor.Red); Pen := TGPPen.Create(TGPColor.Black); Font := TGPFont.Create('Arial', 16, [FontStyleBold]); StringFormat := TGPStringFormat.Create; Rect.Initialize(10, 10, 180, 60); Graphics.DrawString(str, Font, Rect, nil, Brush); Graphics.DrawRectangle(Pen, Rect); Rect.Y := Rect.Y + 60 + 20; StringFormat.Alignment := StringAlignmentCenter; Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.DrawRectangle(Pen, Rect); Rect.Y := Rect.Y + 60 + 20; StringFormat.Alignment := StringAlignmentFar; Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.DrawRectangle(Pen, Rect); end;
IGPStringFormat.LineAlignment 测试: ![](http://CrazyCoder.cn/WebFiles/200912/9ccae7c2-cebc-4cab-9fae-a805476c4a5c.png) uses GdiPlus; procedure TForm1.FormPa (Sender: TObject); const str = 'ABCDEFG'; var Graphics: IGPGraphics; Brush: IGPSolidBrush; Pen: IGPPen; Font: IGPFont; StringFormat: IGPStringFormat; Rect: TGPRectF; begin Graphics := TGPGraphics.Create(Handle); Brush := TGPSolidBrush.Create(TGPColor.Red); Pen := TGPPen.Create(TGPColor.Black); Font := TGPFont.Create('Arial', 16, [FontStyleBold]); StringFormat := TGPStringFormat.Create; Rect.Initialize(10, 10, 180, 60); Graphics.DrawString(str, Font, Rect, nil, Brush); Graphics.DrawRectangle(Pen, Rect); Rect.Y := Rect.Y + 60 + 20; StringFormat.LineAlignment := StringAlignmentCenter; Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.DrawRectangle(Pen, Rect); Rect.Y := Rect.Y + 60 + 20; StringFormat.LineAlignment := StringAlignmentFar; Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.DrawRectangle(Pen, Rect); end;
IGPStringFormat.SetTabStops 测试: ![](http://CrazyCoder.cn/WebFiles/200912/97105289-964d-4ec6-8969-1233f181dfb6.png) uses GdiPlus; procedure TForm1.FormPa (Sender: TObject); const Tabs: .gif' /> [0..2] of Single = (150, 100, 100); Str = 'Name'#9'Test 1'#9'Test 2'#9'Test 3'#13#10 + 'Joe'#9'95'#9'88'#9'91'#13#10 + 'Mary'#9'98'#9'84'#9'90'#13#10 + 'Sam'#9'42'#9'76'#9'98'#13#10 + 'Jane'#9'65'#9'73'#9'92'; var Graphics: IGPGraphics; Brush: IGPSolidBrush; Pen: IGPPen; Font: IGPFont; StringFormat: IGPStringFormat; Rect: TGPRectF; begin Graphics := TGPGraphics.Create(Handle); Brush := TGPSolidBrush.Create($FF000000); Pen := TGPPen.Create($FFFF0000); Font := TGPFont.Create('Courier New', 12); StringFormat := TGPStringFormat.Create; StringFormat.SetTabStops(0, [150, 100, 100]); // StringFormat.SetTabStops(50, [100, 100, 100]); //同上 Rect.Initialize(10, 10, 420, 100); Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.DrawRectangle(Pen, Rect); end;
IGPStringFormat.HotkeyPrefix 测试: ![](http://CrazyCoder.cn/WebFiles/200912/d154aa09-1bac-40e7-a4cf-f80c714610bc.png) uses GdiPlus; procedure TForm1.FormPa (Sender: TObject); var Graphics: IGPGraphics; Font: IGPFont; Pt: TGPPo F; Brush: IGPSolidBrush; StringFormat: IGPStringFormat; begin Graphics := TGPGraphics.Create(Handle); Font := TGPFont.Create(Canvas.Font.Name, 12); Pt.Initialize(10, 10); Brush := TGPSolidBrush.Create($FF000000); StringFormat := TGPStringFormat.Create; StringFormat.HotkeyPrefix := HotkeyPrefixShow; Graphics.DrawString('&Button', Font, Pt, StringFormat, Brush); Pt.Y := Pt.Y * 2 + Font.GetHeight(Graphics); Graphics.DrawString('Butt&on', Font, Pt, StringFormat, Brush); end; IGPStringFormat.Trimming 测试: ![](http://CrazyCoder.cn/WebFiles/200912/73a39bbe-3d0e-4450-b2bc-ab9121ef9ece.png) uses GdiPlus; procedure TForm1.FormPa (Sender: TObject); var Graphics: IGPGraphics; Font: IGPFont; Rect: TGPRectF; Brush: IGPSolidBrush; StringFormat: IGPStringFormat; str: ; i: Integer; begin Graphics := TGPGraphics.Create(Handle); Graphics.Clear($FFFFFFFF); Brush := TGPSolidBrush.Create($FF000000); Font := TGPFont.Create(Canvas.Font.Name, 10); Rect.Initialize(20, 20, ClientWidth - 40, Font.GetHeight(Graphics)); StringFormat := TGPStringFormat.Create; str := Application.ExeName; for i := 0 to 5 do begin StringFormat.Trimming := TGPStringTrimming(i); Graphics.DrawString(str, Font, Rect, StringFormat, Brush); Graphics.TranslateTransform(0, Rect.Y + Rect.Height); end; end; 另, 有关 TGPStringFormatFlags (对应 FormatFlags 属性或用于建立参数): http://msdn.microsoft.com/zh-cn/library/system.drawing. ![](/icons/11424string.gif) formatflags(VS.80).aspx
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