ImageFile.h

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//
// ImageFile.h
//
// Copyright (c) Shareaza Development Team, 2002-2005.
// This file is part of SHAREAZA (www.shareaza.com)
//
// Shareaza is free software; you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Shareaza is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Shareaza; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#pragma once

class CImageServices;


class CImageFile : public CComObject
{
// Construction
public:
        CImageFile(CImageServices* pService);
        virtual ~CImageFile();

        DECLARE_DYNAMIC(CImageFile)

// Attributes
protected:
        CImageServices* m_pService;
public:
        BOOL    m_bScanned;
        int             m_nWidth;
        int             m_nHeight;
        int             m_nComponents;
public:
        BOOL    m_bLoaded;
        LPBYTE  m_pImage;

// Operations
public:
        void    Clear();
public:
        BOOL    LoadFromMemory(LPCTSTR pszType, LPCVOID pData, DWORD nLength, BOOL bScanOnly = FALSE, BOOL bPartialOk = FALSE);
        BOOL    LoadFromFile(LPCTSTR pszType, HANDLE hFile, DWORD nLength, BOOL bScanOnly = FALSE, BOOL bPartialOk = FALSE);
        BOOL    LoadFromFile(LPCTSTR pszFile, BOOL bScanOnly = FALSE, BOOL bPartialOk = FALSE);
        BOOL    LoadFromResource(HINSTANCE hInstance, UINT nResourceID, LPCTSTR pszType, BOOL bScanOnly = FALSE, BOOL bPartialOk = FALSE);
public:
        BOOL    SaveToMemory(LPCTSTR pszType, int nQuality, LPBYTE* ppBuffer, DWORD* pnLength);
        BOOL    SaveToFile(LPCTSTR pszType, int nQuality, HANDLE hFile, DWORD* pnLength = NULL);
        BOOL    SaveToFile(LPCTSTR pszFile, int nQuality);
public:
        DWORD   GetSerialSize() const;
        void    Serialize(CArchive& ar);
public:
        HBITMAP CreateBitmap(HDC hUseDC = 0);
        BOOL    Resample(int nNewWidth, int nNewHeight);
        BOOL    FastResample(int nNewWidth, int nNewHeight);
        BOOL    EnsureRGB(COLORREF crBack = 0xFFFFFFFF);
        BOOL    MonoToRGB();
        BOOL    AlphaToRGB(COLORREF crBack);
        BOOL    SwapRGB();
};

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