Delphi-OpenCV/samples/Components/cCameraCapture/uMainForm.pas
Laentir Valetov 6da82914ec New FFMPEG dll
Signed-off-by: Laentir Valetov <laex@bk.ru>
2015-12-09 07:41:55 +03:00

128 lines
4.1 KiB
ObjectPascal

(*
*****************************************************************
Delphi-OpenCV Demo
Copyright (C) 2013 Project Delphi-OpenCV
****************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
****************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
****************************************************************
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
not use this file except in compliance with the License. You may
obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1_1Final.html
Software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
*******************************************************************
*)
unit uMainForm;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, ocv.comp.Types, ocv.comp.ImageOperation,
ocv.core.types_c, ocv.comp.Source, ocv.comp.View, Vcl.StdCtrls, Vcl.ExtCtrls;
type
TMainForm = class(TForm)
lbl1: TLabel;
cbb1: TComboBox;
chk1: TCheckBox;
ocvw1: TocvView;
ocvmgprtn1: TocvImageOperation;
ocvw2: TocvView;
ocvflsrc1: TocvFileSource;
ocvw3: TocvView;
ocvcmrsrc1: TocvCameraSource;
ocvw4: TocvView;
ocvpcmsrc1: TocvIPCamSource;
chk2: TCheckBox;
chk3: TCheckBox;
procedure FormCreate(Sender: TObject);
procedure cbb1Change(Sender: TObject);
procedure chk1Click(Sender: TObject);
procedure chk2Click(Sender: TObject);
procedure chk3Click(Sender: TObject);
procedure ocvmgprtn1AfterEachOperation(PrevOperation, Operation, NextOperation: TObject; const IplImage: IocvImage;
var ContinueTransform: Boolean);
procedure ocvmgprtn1OperationBeforeTransform(Sender: TObject; const IplImage: IocvImage; var ContinueTransform: Boolean);
private
public
end;
var
MainForm: TMainForm;
implementation
{$R *.dfm}
procedure TMainForm.cbb1Change(Sender: TObject);
begin
ocvmgprtn1.OperationClass := TocvImageOperationClass(cbb1.Items.Objects[cbb1.ItemIndex]);
end;
procedure TMainForm.chk1Click(Sender: TObject);
begin
ocvcmrsrc1.Enabled := chk1.Checked;
end;
procedure TMainForm.chk2Click(Sender: TObject);
begin
ocvpcmsrc1.Enabled := chk2.Checked;
end;
procedure TMainForm.chk3Click(Sender: TObject);
begin
ocvflsrc1.Enabled := chk3.Checked;
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
cbb1.Items.Assign(GetRegisteredImageOperations);
cbb1.ItemIndex := cbb1.Items.IndexOf(GetRegisteredImageOperations.GetNameByClass(ocvmgprtn1.OperationClass));
chk3.Checked := ocvflsrc1.Enabled;
chk2.Checked := ocvpcmsrc1.Enabled;
chk1.Checked := ocvcmrsrc1.Enabled;
end;
procedure TMainForm.ocvmgprtn1AfterEachOperation(PrevOperation, Operation, NextOperation: TObject; const IplImage: IocvImage;
var ContinueTransform: Boolean);
Var
H: TocvRects;
begin
if (Operation is TocvHaarCascade) and (NextOperation is TocvCropOperation) then
begin
H := (Operation as TocvHaarCascade).HaarRects;
if Length(H) > 0 then
(NextOperation as TocvCropOperation).CropRect.ocvRect := H[0];
end;
end;
procedure TMainForm.ocvmgprtn1OperationBeforeTransform(Sender: TObject; const IplImage: IocvImage;
var ContinueTransform: Boolean);
begin
With Sender as TocvWarpPerspective do
begin
DestQuad.Points[0].x := IplImage.width * 0.05; // dst Top left
DestQuad.Points[0].y := IplImage.height * 0.33;
DestQuad.Points[1].x := IplImage.width * 0.9; // dst Top right
DestQuad.Points[1].y := IplImage.height * 0.25;
DestQuad.Points[2].x := IplImage.width * 0.2; // dst Bottom left
DestQuad.Points[2].y := IplImage.height * 0.7;
DestQuad.Points[3].x := IplImage.width * 0.8; // dst Bot right
DestQuad.Points[3].y := IplImage.height * 0.9;
end;
end;
end.