85 lines
1.9 KiB
ObjectPascal

program test4nogui;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}
cthreads,
{$ENDIF}{$ENDIF}
Classes, SysUtils, CustApp,
BGRAGraphics,
BGRABitmap,
BGRABitmapTypes;
type
{ TTestBGRANoGui }
TTestBGRANoGui = class(TCustomApplication)
protected
procedure DoRun; override;
public
constructor Create(TheOwner: TComponent); override;
destructor Destroy; override;
end;
procedure DrawEllipseHello(bmp: TBGRABitmap);
begin
bmp.Fill(BGRABlack);
bmp.CustomPenStyle := BGRAPenStyle(2,1);
bmp.FillEllipseLinearColorAntialias(bmp.Width/2,bmp.Height/2,bmp.Width/2-5,bmp.Height/2-5, BGRAPixelTransparent, BGRAWhite);
bmp.EllipseAntialias(bmp.Width/2,bmp.Height/2,bmp.Width/2-5,bmp.Height/2-5,CSSRed,5);
if bmp.Height div 10 < 10 then
bmp.FontHeight := 10
else
bmp.FontHeight := bmp.Height div 10;
with bmp.FontPixelMetric do
begin
bmp.TextOut(bmp.Width/2,bmp.Height/2 - (CapLine+Baseline)/2,'Hello world', BGRABlack, taCenter);
bmp.TextOutAngle(bmp.Width/6,bmp.Height/2 - (CapLine+Baseline)/2, -300, 'Going down!', BGRABlack, taLeftJustify);
bmp.TextOutAngle(bmp.Width*5/6,bmp.Height/2 - (CapLine+Baseline)/2, 300, 'Going up!', BGRABlack, taRightJustify);
end;
bmp.Canvas.Pen.Color := clBlue;
bmp.Canvas.MoveTo(0,0);
bmp.Canvas.LineTo(bmp.Width,bmp.Height);
end;
{ TTestBGRANoGui }
procedure TTestBGRANoGui.DoRun;
var
bmp: TBGRABitmap;
begin
TBGRABitmap.AddFreeTypeFontFolder(GetCurrentDir);
bmp := TBGRABitmap.Create(800,600,BGRABlack);
DrawEllipseHello(bmp);
bmp.SaveToFile('test.png');
bmp.free;
Terminate;
end;
constructor TTestBGRANoGui.Create(TheOwner: TComponent);
begin
inherited Create(TheOwner);
end;
destructor TTestBGRANoGui.Destroy;
begin
inherited Destroy;
end;
var
Application: TTestBGRANoGui;
{$R *.res}
begin
Application:=TTestBGRANoGui.Create(nil);
Application.Title:='TestBGRANoGui';
Application.Run;
Application.Free;
end.