Delphi-OpenCV/component/uOCVView.pas
Laex 81de80c682 Continued attempts to design components
[*] Modified TocvCamera
[*] Modified TocvView
[+] Added TocvImageOperation (TovcImageOperationSmooth - not working properly)

Signed-off-by: Laex <laex@bk.ru>
2013-06-01 00:29:25 +04:00

105 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.RemoveReceiver(Self);
inherited;
end;
procedure TocvView.SetOpenCVVideoSource(const Value: TocvDataSource);
begin
if FocvVideoSource <> Value then
begin
if Assigned(FocvVideoSource) then
FocvVideoSource.RemoveReceiver(Self);
FocvVideoSource := Value;
if Assigned(FocvVideoSource) then
FocvVideoSource.AddReceiver(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.