首页 »PHP教程 » GdiPlus[24]: IGPPrivateFontCollection: 分别从文件和内存加载字体 »正文
GdiPlus[24]: IGPPrivateFontCollection: 分别从文件和内存加载字体
来源: 发布时间:星期四, 2009年12月17日 浏览:0次 评论:0
IGPPrivateFontCollection.AddFontFile: 从文件加载字体; IGPPrivateFontCollection.AddMemoryFont: 从内存加载字体 AddFontFile 测试: uses GdiPlus; function GetFontsDirectory: ; var Len: Integer; buf: .gif' />[0 ..MAX_PATH-1 ] of Char; begin GetWindowsDirectory(buf, Length(buf)); Result := buf + '\Fonts\'; end; procedure TForm1.FormPa (Sender: TObject); var FontCollection: IGPPrivateFontCollection; FontFamily: IGPFontFamily; Font: IGPFont; Graphics: IGPGraphics; Brush: IGPSolidBrush; Po : TGPPo F; begin FontCollection := TGPPrivateFontCollection.Create; FontCollection.AddFontFile(GetFontsDirectory + 'msyh.ttf'); //微软雅黑 FontCollection.AddFontFile(GetFontsDirectory + 'simhei.ttf'); //黑体 FontCollection.AddFontFile(GetFontsDirectory + 'SIMLI.TTF'); //隶书 FontCollection.AddFontFile(GetFontsDirectory + 'simkai.ttf'); //楷体 GB2312 Graphics := TGPGraphics.Create(Handle); Brush := TGPSolidBrush.Create(TGPColor.Red); Po .Initialize(10, 10); for FontFamily in FontCollection.Families do begin Font := TGPFont.Create(FontFamily, 16, FontStyleRegular, UnitPixel); Graphics.DrawString(FontFamily.FamilyName, Font, Po , Brush); Po .Y := Po .Y + Font.GetHeight(0); //参数是 0 或 nil 时, 字体建立是必须指定 UnitPixel end; end; AddMemoryFont 测试: uses GdiPlus; procedure TForm1.Button1Click(Sender: TObject); var Stream: TMemoryStream; FontCollection: IGPPrivateFontCollection; FontFamily: IGPFontFamily; Font: IGPFont; Graphics: IGPGraphics; Brush: IGPSolidBrush; Po : TGPPo F; begin Stream := TMemoryStream.Create; Stream.LoadFromFile('C:\Windows\Fonts\msyhbd.ttf'); FontCollection := TGPPrivateFontCollection.Create; FontCollection.AddMemoryFont(Stream.Memory, Stream.Size); FontFamily := FontCollection.Families[0]; Font := TGPFont.Create(FontFamily.FamilyName, 24); Brush := TGPSolidBrush.Create(TGPColor.Create(0, 0, 0)); Po .Initialize(10, 10); Graphics := TGPGraphics.Create(Handle); Graphics.DrawString(FontFamily.FamilyName, Font, Po , Brush); Stream.Free; end;
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