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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7201 8e941d3f-bd1b-0410-a28a-d453659cc2b4
82 lines
1.6 KiB
ObjectPascal
82 lines
1.6 KiB
ObjectPascal
unit JvImageTransformForm;
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{ The images of this demo are taken from the Lazarus mushroom database example
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in folder (lazarus)/examples/database/image_mushrooms
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}
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ExtCtrls, StdCtrls,
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JvImageTransform;
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type
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{ TMainForm }
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TMainForm = class(TForm)
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Bevel1: TBevel;
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btnTransform: TButton;
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ComboBox1: TComboBox;
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Image1: TImage;
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Image2: TImage;
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Image3: TImage;
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JvImageTransform1: TJvImageTransform;
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Label1: TLabel;
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Panel1: TPanel;
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Panel2: TPanel;
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procedure btnTransformClick(Sender: TObject);
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procedure ComboBox1Change(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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FCurrImage: Integer;
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public
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end;
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var
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MainForm: TMainForm;
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implementation
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{$R *.lfm}
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{ TMainForm }
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procedure TMainForm.btnTransformClick(Sender: TObject);
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var
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pic: TPicture;
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begin
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// Execute the transformation
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JvImageTransform1.Transform;
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// Load next image
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FCurrImage := (FCurrImage + 1) mod 3;
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case FCurrImage of
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0: pic := Image1.Picture;
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1: pic := Image2.Picture;
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2: pic := Image3.Picture;
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end;
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if JvImageTransform1.ImageShown = 1 then
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JvImageTransform1.Picture2.Assign(pic)
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else
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JvImageTransform1.Picture1.Assign(pic);
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end;
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procedure TMainForm.ComboBox1Change(Sender: TObject);
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begin
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JvImageTransform1.TransformType := TJvTransformationKind(ComboBox1.ItemIndex);
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end;
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procedure TMainForm.FormCreate(Sender: TObject);
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begin
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JvImageTransform1.Picture1.Assign(Image1.Picture);
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JvImageTransform1.Picture2.Assign(Image2.Picture);
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end;
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end.
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