{*******************************************************************}
{                                                                   }
{       Developer Express Visual Component Library                  }
{       ExpressPrinting System(tm) COMPONENT SUITE                  }
{                                                                   }
{       Copyright (C) 1998-2009 Developer Express Inc.              }
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{   RESTRICTIONS                                                    }
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{*******************************************************************}

unit dxPSImgLnk;

interface

{$I cxVer.inc}

uses
  Graphics, ExtCtrls, dxPSGraphicLnk;

type
  TdxImageReportLink = class(TCustomdxPictureReportLink)
  private
    function GetImage: TImage;
  protected
    procedure InternalRestoreFromOriginal; override;

    function GetGraphicHeight: Integer; override;
    function GetGraphicWidth: Integer; override;
    function GetPicture: TPicture; override;
  public  
    function DataProviderPresent: Boolean; override;
    property Image: TImage read GetImage;
  published
    property BorderColor;
    property Center;
    property DrawBorder;
    property Proportional;
    property Stretch;
    property Transparent;
    property TransparentColor;
  end;
  
implementation
  
uses
  dxPSCore;

function TdxImageReportLink.DataProviderPresent: Boolean;
begin
  if DataSource = rldsComponent then
    Result := Image <> nil
  else
    Result := inherited DataProviderPresent;
end;

procedure TdxImageReportLink.InternalRestoreFromOriginal;
begin
  inherited;
  Center := Image.Center;
 {$IFDEF DELPHI6}
  Proportional := Image.Proportional;
 {$ENDIF} 
  Stretch := Image.Stretch;
end;
  
function TdxImageReportLink.GetGraphicHeight: Integer;
begin
  if Image <> nil then
  begin
    Result := Image.Height;
    // 3.2
    //if IsAggregated and (Result < inherited GetGraphicHeight) then 
    //  Result := inherited GetGraphicHeight;
  end    
  else
    Result := inherited GetGraphicHeight;  
end;

function TdxImageReportLink.GetGraphicWidth: Integer;
begin
  if Image <> nil then
  begin
    Result := Image.Width;
    // 3.2
    //if IsAggregated and (Result < inherited GetGraphicWidth) then 
    //  Result := inherited GetGraphicWidth;
  end    
  else
    Result := inherited GetGraphicWidth;
end;

function TdxImageReportLink.GetPicture: TPicture;
begin
  if Image <> nil then 
    Result := Image.Picture
  else 
    Result := inherited GetPicture;
end;
    
function TdxImageReportLink.GetImage: TImage;
begin
  Result := TImage(Component);
end;

initialization
  dxPSRegisterReportLink(TdxImageReportLink, TImage, nil);

finalization
  dxPSUnregisterReportLink(TdxImageReportLink, TImage, nil);
  
end.