mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-15 15:55:53 +01:00
84 lines
2.9 KiB
ObjectPascal
84 lines
2.9 KiB
ObjectPascal
(*
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*****************************************************************
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Delphi-OpenCV Demo
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Copyright (C) 2013 Project Delphi-OpenCV
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****************************************************************
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Contributor:
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Laentir Valetov
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email:laex@bk.ru
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****************************************************************
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You may retrieve the latest version of this file at the GitHub,
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located at git://github.com/Laex/Delphi-OpenCV.git
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****************************************************************
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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*******************************************************************
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*)
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unit uMainForm;
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interface
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uses
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Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
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Vcl.Controls, Vcl.Forms, Vcl.Dialogs, ocv.comp.Types, ocv.comp.ImageOperation,
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ocv.core.types_c, ocv.comp.Source, ocv.comp.View, Vcl.StdCtrls, Vcl.ExtCtrls;
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type
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TMainForm = class(TForm)
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ocvView3: TocvView;
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ocvmgprtn1: TocvImageOperation;
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ocvcmrsrc1: TocvCameraSource;
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procedure ocvmgprtn1AfterEachOperation(PrevOperation, Operation, NextOperation: TObject; const IplImage: IocvImage;
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var ContinueTransform: Boolean);
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procedure ocvmgprtn1OperationBeforeTransform(Sender: TObject; const IplImage: IocvImage; var ContinueTransform: Boolean);
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private
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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 *.dfm}
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procedure TMainForm.ocvmgprtn1AfterEachOperation(PrevOperation, Operation, NextOperation: TObject; const IplImage: IocvImage;
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var ContinueTransform: Boolean);
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Var
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H: TocvRects;
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begin
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if (Operation is TocvHaarCascade) and (NextOperation is TocvCropOperation) then
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begin
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H := (Operation as TocvHaarCascade).HaarRects;
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if Length(H) > 0 then
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(NextOperation as TocvCropOperation).CropRect.ocvRect := H[0];
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end;
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end;
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procedure TMainForm.ocvmgprtn1OperationBeforeTransform(Sender: TObject; const IplImage: IocvImage;
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var ContinueTransform: Boolean);
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begin
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With Sender as TocvWarpPerspective do
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begin
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DestQuad.Points[0].x := IplImage.width * 0.05; // dst Top left
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DestQuad.Points[0].y := IplImage.height * 0.33;
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DestQuad.Points[1].x := IplImage.width * 0.9; // dst Top right
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DestQuad.Points[1].y := IplImage.height * 0.25;
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DestQuad.Points[2].x := IplImage.width * 0.2; // dst Bottom left
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DestQuad.Points[2].y := IplImage.height * 0.7;
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DestQuad.Points[3].x := IplImage.width * 0.8; // dst Bot right
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DestQuad.Points[3].y := IplImage.height * 0.9;
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end;
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end;
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end.
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