/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef _CUI_GRFFLT_HXX
#define _CUI_GRFFLT_HXX

#include <vcl/fixed.hxx>
#include <vcl/field.hxx>
#ifndef _SV_BUTTON_HXX
#include <vcl/button.hxx>
#endif
#include <vcl/timer.hxx>
#include <vcl/dialog.hxx>
#include <vcl/group.hxx>
#include <vcl/salbtype.hxx>
#include <svtools/grfmgr.hxx>
#include <svx/graphctl.hxx>
#include <svx/dlgctrl.hxx>
#include <svx/rectenum.hxx>
/*
// ---------------
// - Error codes -
// ---------------

#define SVX_GRAPHICFILTER_ERRCODE_NONE				0x00000000
#define SVX_GRAPHICFILTER_UNSUPPORTED_GRAPHICTYPE	0x00000001
#define SVX_GRAPHICFILTER_UNSUPPORTED_SLOT			0x00000002

// --------------------
// - SvxGraphicFilter -
// --------------------

class SfxRequest;
class SfxItemSet;

class SvxGraphicFilter
{
public:

	static sal_uLong	ExecuteGrfFilterSlot( SfxRequest& rReq, GraphicObject& rFilterObject );
	static void		DisableGraphicFilterSlots( SfxItemSet& rSet );
};
*/
// -----------------------
// - GraphicFilterDialog -
// -----------------------

class GraphicFilterDialog : public ModalDialog
{
private:

	class PreviewWindow : public Control
	{
	private:
		
		GraphicObject	maGraphic;

		virtual void	Paint( const Rectangle& rRect );

	public:

						PreviewWindow( Window* pParent, const ResId& rResId );
						~PreviewWindow();

		void			SetGraphic( const Graphic& rGraphic );
	};

private:

	Timer			maTimer;
	Link			maModifyHdl;
	Graphic			maGraphic;
	double			mfScaleX;
	double			mfScaleY;
	Size			maSizePixel;

					DECL_LINK( ImplPreviewTimeoutHdl, Timer* pTimer );
					DECL_LINK( ImplModifyHdl, void* p );

protected:
	PreviewWindow	maPreview;
	OKButton		maBtnOK;
	CancelButton	maBtnCancel;
	HelpButton		maBtnHelp;
	FixedLine		maFlParameter;

	const Link&		GetModifyHdl() const { return maModifyHdl; }
	const Size&		GetGraphicSizePixel() const { return maSizePixel; }

public:				
					
					GraphicFilterDialog( Window* pParent, const ResId& rResId, const Graphic& rGraphic );
					~GraphicFilterDialog();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) = 0;
};

// -----------------------
// - GraphicFilterMosaic -
// -----------------------

class GraphicFilterMosaic : public GraphicFilterDialog
{
private:

	FixedText		maFtWidth;
	MetricField		maMtrWidth;
	FixedText		maFtHeight;
	MetricField		maMtrHeight;
	CheckBox		maCbxEdges;

public:

					GraphicFilterMosaic( Window* pParent, const Graphic& rGraphic,
										 sal_uInt16 nTileWidth, sal_uInt16 nTileHeight, sal_Bool bEnhanceEdges );
					~GraphicFilterMosaic();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY );
	long			GetTileWidth() const { return static_cast<long>(maMtrWidth.GetValue()); }
	long			GetTileHeight() const { return static_cast<long>(maMtrHeight.GetValue()); }
	sal_Bool			IsEnhanceEdges() const { return maCbxEdges.IsChecked(); }
};

// -------------------------
// - GraphicFilterSolarize -
// -------------------------

class GraphicFilterSolarize : public GraphicFilterDialog
{
private:

	FixedText		maFtThreshold;
	MetricField		maMtrThreshold;
	CheckBox		maCbxInvert;

public:

					GraphicFilterSolarize( Window* pParent, const Graphic& rGraphic,
										   sal_uInt8 nGreyThreshold, sal_Bool bInvert );
					~GraphicFilterSolarize();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY );
	sal_uInt8			GetGreyThreshold() const { return( (sal_uInt8) FRound( maMtrThreshold.GetValue() * 2.55 ) ); }
	sal_Bool			IsInvert() const { return maCbxInvert.IsChecked(); }
};

// ----------------------
// - GraphicFilterSepia -
// ----------------------

class GraphicFilterSepia : public GraphicFilterDialog
{
private:

	FixedText		maFtSepia;
	MetricField		maMtrSepia;

public:

					GraphicFilterSepia( Window* pParent, const Graphic& rGraphic,
										sal_uInt16 nSepiaPercent );
					~GraphicFilterSepia();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY );
	sal_uInt16			GetSepiaPercent() const
    { return sal::static_int_cast< sal_uInt16 >(maMtrSepia.GetValue()); }
};

// -----------------------
// - GraphicFilterPoster -
// -----------------------

class GraphicFilterPoster : public GraphicFilterDialog
{
private:

	FixedText		maFtPoster;
	NumericField	maNumPoster;

public:

					GraphicFilterPoster( Window* pParent, const Graphic& rGraphic,
										 sal_uInt16 nPosterColorCount );
					~GraphicFilterPoster();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY );
	sal_uInt16			GetPosterColorCount() const { return( (sal_uInt16) maNumPoster.GetValue() ); }
};

// -----------------------
// - GraphicFilterEmboss -
// -----------------------

class GraphicFilterEmboss : public GraphicFilterDialog
{
private:

	class EmbossControl : public SvxRectCtl
	{
	private:

		Link			maModifyHdl;

		virtual void	MouseButtonDown( const MouseEvent& rEvt );

	public:

						EmbossControl( Window* pParent, const ResId& rResId, RECT_POINT eRectPoint ) : 
							SvxRectCtl( pParent, rResId ) { SetActualRP( eRectPoint ); }
	
		void			SetModifyHdl( const Link& rHdl ) { maModifyHdl = rHdl; }
	};

private:

	FixedText		maFtLight;
	EmbossControl	maCtlLight;

public:

					GraphicFilterEmboss( Window* pParent, const Graphic& rGraphic,
										 RECT_POINT eLightSource );
					~GraphicFilterEmboss();

	virtual Graphic	GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY );
	RECT_POINT		GetLightSource() const { return maCtlLight.GetActualRP(); }
};

#endif