mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 00:05:52 +01:00
109 lines
2.9 KiB
ObjectPascal
109 lines
2.9 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 uOCVView;
|
|
|
|
interface
|
|
|
|
uses
|
|
WinApi.Windows,
|
|
WinApi.Messages,
|
|
System.SysUtils,
|
|
System.Classes,
|
|
Vcl.Controls,
|
|
uOCVTypes,
|
|
core.types_c;
|
|
|
|
type
|
|
TocvView = class(TWinControl, IocvDataReceiver)
|
|
private
|
|
FocvVideoSource: TocvDataSource;
|
|
procedure WMEraseBkgnd(var Message: TWMEraseBkgnd); message WM_ERASEBKGND;
|
|
procedure WMPaint(var Message: TWMPaint); message WM_PAINT;
|
|
procedure SetOpenCVVideoSource(const Value: TocvDataSource);
|
|
protected
|
|
procedure TakeImage(const IplImage: pIplImage);
|
|
procedure SetVideoSource(const Value: TObject);
|
|
public
|
|
destructor Destroy; override;
|
|
published
|
|
property VideoSource: TocvDataSource Read FocvVideoSource write SetOpenCVVideoSource;
|
|
property Align;
|
|
end;
|
|
|
|
implementation
|
|
|
|
Uses
|
|
cvUtils;
|
|
|
|
{ TOpenCVView }
|
|
|
|
destructor TocvView.Destroy;
|
|
begin
|
|
if Assigned(FocvVideoSource) then
|
|
FocvVideoSource.SetReceiver(nil);
|
|
inherited;
|
|
end;
|
|
|
|
procedure TocvView.SetOpenCVVideoSource(const Value: TocvDataSource);
|
|
begin
|
|
if FocvVideoSource <> Value then
|
|
begin
|
|
if Assigned(FocvVideoSource) then
|
|
FocvVideoSource.SetReceiver(nil);
|
|
FocvVideoSource := Value;
|
|
if Assigned(FocvVideoSource) then
|
|
FocvVideoSource.SetReceiver(Self);
|
|
end;
|
|
end;
|
|
|
|
procedure TocvView.SetVideoSource(const Value: TObject);
|
|
begin
|
|
VideoSource := Value as TocvDataSource;
|
|
end;
|
|
|
|
procedure TocvView.TakeImage(const IplImage: pIplImage);
|
|
begin
|
|
if not(csDestroying in ComponentState) then
|
|
ipDraw(
|
|
GetDC(Handle),
|
|
IplImage,
|
|
ClientRect);
|
|
end;
|
|
|
|
procedure TocvView.WMEraseBkgnd(var Message: TWMEraseBkgnd);
|
|
begin
|
|
if (csDesigning in ComponentState) then
|
|
inherited;
|
|
end;
|
|
|
|
procedure TocvView.WMPaint(var Message: TWMPaint);
|
|
begin
|
|
if (csDesigning in ComponentState) then
|
|
inherited
|
|
else
|
|
DefaultHandler(Message);
|
|
end;
|
|
|
|
end.
|