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91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
2 years ago
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// XTPGraphicBitmapPng.h interface for the XTPGraphicBitmapPng class.
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//
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// This file is a part of the XTREME TOOLKITPRO MFC class library.
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// (c)1998-2012 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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//{{AFX_CODEJOCK_PRIVATE
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#if !defined(__XTPGRAPHICBITMAPPNG_H__)
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#define __XTPGRAPHICBITMAPPNG_H__
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//}}AFX_CODEJOCK_PRIVATE
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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//===========================================================================
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// Summary:
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// CXTPGraphicBitmapPng is CBitmap derived class used to load PNG files from file and resources.
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//===========================================================================
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class _XTP_EXT_CLASS CXTPGraphicBitmapPng : public CBitmap
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{
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struct CCallback;
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public:
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//-------------------------------------------------------------------------
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// Summary: Default constructor
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//-------------------------------------------------------------------------
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CXTPGraphicBitmapPng();
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public:
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//-----------------------------------------------------------------------
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// Summary: Call this method to load PNG file
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// Input: lpszFileName - A string value that contains the name of a file to be loaded.
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// Returns: TRUE if successful; otherwise 0.
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//-----------------------------------------------------------------------
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BOOL LoadFromFile(LPCTSTR lpszFileName);
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//-----------------------------------------------------------------------
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// Summary: Call this member function to load the PNG file from specified resource.
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// Input: hModule - Module instance to load
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// hRes - Resource handle
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// Returns: TRUE if successful; otherwise 0.
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//-----------------------------------------------------------------------
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BOOL LoadFromResource(HMODULE hModule, HRSRC hRes);
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//-----------------------------------------------------------------------
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// Summary: Call this method to load PNG file
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// Input: pFile - pointer to CFile to be loaded.
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// Returns: TRUE if successful; otherwise 0.
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//-----------------------------------------------------------------------
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BOOL LoadFromFile(CFile* pFile);
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//-----------------------------------------------------------------------
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// Summary: Determines if loaded PNG has Alpha layer
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// Returns: TRUE if PNG file has alpha layer.
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//-----------------------------------------------------------------------
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BOOL IsAlpha() const;
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private:
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HBITMAP ConvertToBitmap(BYTE* pbImage, CSize szImage, int cImgChannels) const;
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protected:
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BOOL m_bAlpha; // TRUE if PNG file has alpha layer.
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};
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AFX_INLINE BOOL CXTPGraphicBitmapPng::IsAlpha() const {
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return m_bAlpha;
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}
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_XTP_EXT_CLASS int AFX_CDECL ZLibCompress(BYTE *dest, ULONG* destLen, const BYTE *source, ULONG sourceLen);
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_XTP_EXT_CLASS ULONG AFX_CDECL ZLibCompressBound(ULONG sourceLen);
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_XTP_EXT_CLASS int AFX_CDECL ZLibUncompress (BYTE *dest, ULONG* destLen, const BYTE* source, ULONG sourceLen);
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#endif // #if !defined(__XTPGRAPHICBITMAPPNG_H__)
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