Стартовый пул

bgrabitmap/test/testglyph/testglyph.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="testglyph"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <Icon Value="0"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="BGRABitmapPack"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="testglyph.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="umain.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="FMain"/>
+        <ResourceBaseClass Value="Form"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <Target>
+      <Filename Value="testglyph"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib/$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

bgrabitmap/test/testglyph/testglyph.lpr

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+program testglyph;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, umain
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource:=True;
+  Application.Initialize;
+  Application.CreateForm(TFMain, FMain);
+  Application.Run;
+end.
+

bgrabitmap/test/testglyph/umain.lfm

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+object FMain: TFMain
+  Left = 313
+  Height = 240
+  Top = 35
+  Width = 320
+  Caption = 'Test glyph'
+  OnPaint = FormPaint
+  Position = poDefault
+  LCLVersion = '1.6.0.4'
+end

bgrabitmap/test/testglyph/umain.pas

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+unit umain;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs;
+
+type
+
+  { TFMain }
+
+  TFMain = class(TForm)
+    procedure FormPaint(Sender: TObject);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  FMain: TFMain;
+
+implementation
+
+{$R *.lfm}
+
+uses Math,BGRABitmapTypes,BGRABitmap,BGRATypewriter,BGRATransform;
+
+{ TFMain }
+
+procedure TFMain.FormPaint(Sender: TObject);
+const GoneCount = 8;
+var
+  radius: single;
+  bmp: TBGRABitmap;
+
+  procedure TestGlyph(center: TPointF; curve: boolean);
+  var
+    glyph: TBGRAPolygonalGlyph;
+    pts: array of TPointF;
+    mem: TMemoryStream;
+    i: Integer;
+  begin
+    setlength(pts, GoneCount);
+    for i := 0 to GoneCount-1 do
+      pts[i] := AffineMatrixRotationDeg((i+0.5)/GoneCount*360)*PointF(0,radius) + center;
+    glyph := TBGRAPolygonalGlyph.Create('o');
+    glyph.SetPoints(pts);
+    glyph.QuadraticCurves:= curve;
+    mem := TMemoryStream.Create;
+    glyph.SaveToStream(mem);
+    glyph.Free;
+    mem.Position:= 0;
+    glyph := TBGRAGlyph.LoadFromStream(mem) as TBGRAPolygonalGlyph;
+    mem.Free;
+    bmp.Canvas2D.lineWidth:= radius*0.02;
+    bmp.Canvas2D.strokeStyle(BGRABlack);
+    glyph.Path(bmp.Canvas2D, AffineMatrixIdentity);
+    glyph.Free;
+    bmp.Canvas2D.stroke;
+  end;
+
+begin
+  bmp := TBGRABitmap.Create(ClientWidth,ClientHeight,BGRAWhite);
+  radius := min(bmp.Width*0.45,bmp.Height*0.9)*0.5;
+  TestGlyph(PointF(bmp.Width/4,bmp.Height/2),false);
+  TestGlyph(PointF(bmp.Width*3/4,bmp.Height/2),true);
+  bmp.Draw(Canvas,0,0);
+end;
+
+end.
+