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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _SV_IMAGE_H
#define _SV_IMAGE_H

#include <vcl/bitmapex.hxx>

#include <hash_map>

// ----------------
// - ImplImageBmp -
// ----------------

class ImplImageBmp
{
public:

				ImplImageBmp();
				~ImplImageBmp();

	void		Create( long nItemWidth, long nItemHeight, sal_uInt16 nInitSize );
	void		Create( const BitmapEx& rBmpEx, long nItemWidth, long nItemHeight,sal_uInt16 nInitSize );

	void		Expand( sal_uInt16 nGrowSize );

	void		Replace( sal_uInt16 nPos, sal_uInt16 nSrcPos );
	void		Replace( sal_uInt16 nPos, const ImplImageBmp& rImageBmp, sal_uInt16 nSrcPos );
	void		Replace( sal_uInt16 nPos, const BitmapEx& rBmpEx );

    void        ReplaceColors( const Color* pSrcColors, const Color* pDstColors, sal_uIntPtr nColorCount );
	void		ColorTransform( BmpColorMode eColorMode );
	void        	Invert();

	BitmapEx	GetBitmapEx( sal_uInt16 nPosCount, sal_uInt16* pPosAry ) const;

	void		Draw( sal_uInt16 nPos, OutputDevice* pDev, const Point& rPos, sal_uInt16 nStyle, const Size* pSize = NULL );

private:

	BitmapEx	maBmpEx;
	BitmapEx	maDisabledBmpEx;
	BitmapEx*	mpDisplayBmp;
	Size		maSize;
	sal_uInt8*		mpInfoAry;
	sal_uInt16		mnSize;

	void		ImplUpdateDisplayBmp( OutputDevice* pOutDev );
	void		ImplUpdateDisabledBmpEx( int nPos );

private:    // prevent assignment and copy construction
    ImplImageBmp( const ImplImageBmp& );
    void operator=( const ImplImageBmp& );
};

// --------------
// - ImageTypes -
// --------------

enum ImageType { IMAGETYPE_BITMAP, IMAGETYPE_IMAGE };

// -----------------
// - ImplImageList -
// -----------------

struct ImageAryData
{
	::rtl::OUString	maName;
	// Images identified by either name, or by id
	sal_uInt16			mnId;
	BitmapEx        maBitmapEx;

	ImageAryData();
	ImageAryData( const rtl::OUString &aName,
				  sal_uInt16 nId, const BitmapEx &aBitmap );
	ImageAryData( const ImageAryData& rData );
	~ImageAryData();

	bool IsLoadable() { return maBitmapEx.IsEmpty() && maName.getLength(); }
	void Load(const rtl::OUString &rPrefix);

	ImageAryData&	operator=( const ImageAryData& rData );
};

// ------------------------------------------------------------------------------

struct ImplImageList
{
    typedef std::vector<ImageAryData *> ImageAryDataVec;
    typedef std::hash_map< rtl::OUString, ImageAryData *, rtl::OUStringHash >
        ImageAryDataNameHash;

    ImageAryDataVec             maImages;
    ImageAryDataNameHash        maNameHash;
	rtl::OUString               maPrefix;
	Size			            maImageSize;
    sal_uIntPtr                       mnRefCount;

	ImplImageList();
	ImplImageList( const ImplImageList &aSrc );
	~ImplImageList();

	void AddImage( const ::rtl::OUString &aName,
				   sal_uInt16 nId, const BitmapEx &aBitmapEx );
	void RemoveImage( sal_uInt16 nPos );
    sal_uInt16 GetImageCount() const;
};

// --------------------
// - ImplImageRefData -
// --------------------

struct ImplImageRefData
{
	ImplImageList*	mpImplData;
	sal_uInt16			mnIndex;

					ImplImageRefData() {}	 // Um Warning zu umgehen
					~ImplImageRefData();

	sal_Bool			IsEqual( const ImplImageRefData& rData );
};

// ----------------
// - ImpImageData -
// ----------------

struct ImplImageData
{
	ImplImageBmp*	mpImageBitmap;
	BitmapEx		maBmpEx;

					ImplImageData( const BitmapEx& rBmpEx );
					~ImplImageData();

	sal_Bool			IsEqual( const ImplImageData& rData );
};

// -------------
// - ImplImage -
// -------------

struct ImplImage
{
	sal_uIntPtr			mnRefCount;
    // TODO: use inheritance to get rid of meType+mpData
	void*			mpData;
	ImageType		meType;

					ImplImage();
					~ImplImage();

private:    // prevent assignment and copy construction
            ImplImage( const ImplImage&);
    void    operator=( const ImplImage&);
};

#endif // _SV_IMAGE_H