dc.PlgBlt()変形後の表示画像の保存 (ID：73072)

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追加情報  現行の
// MemDC.cpp: implementation of the CMemDC class.
には以下の関数があります  よろしく    ご助言をねがいます

BOOL CMemDC::SaveJPEG(LPCTSTR lpszPathName, int quality)
{
	JPEG_CORE_PROPERTIES jcprops = {0};

TRY

if (ijlInit(&jcprops) != IJL_OK)
		{
			TRACE("Cannot initialize Intel JPEG library\n");
			AfxThrowUserException();
		}

CSize imageSize = GetBitmapSize();
		jcprops.DIBBytes = (BYTE*)m_pDIBits;
		jcprops.DIBWidth = imageSize.cx;
		jcprops.DIBHeight = -imageSize.cy;
		jcprops.DIBPadBytes = IJL_DIB_PAD_BYTES(jcprops.DIBWidth, jcprops.DIBChannels);
		jcprops.DIBChannels = 3;
		jcprops.DIBColor = IJL_BGR;

jcprops.JPGFile = lpszPathName;
		jcprops.JPGWidth = imageSize.cx;
		jcprops.JPGHeight = imageSize.cy;

jcprops.JPGThumbWidth = 100;
		jcprops.JPGThumbHeight = 75;

jcprops.jquality = quality;

if (ijlWrite(&jcprops, IJL_JFILE_WRITEWHOLEIMAGE) != IJL_OK)
		{
			TRACE("Cannot write image data to %s file\n", jcprops.JPGFile);
			AfxThrowUserException();
		}
		
		if (ijlFree(&jcprops) != IJL_OK)
		{
			TRACE("Cannot free Intel(R) JPEG library");
		}

CATCH_ALL(e)

ijlFree(&jcprops);
		return FALSE;

END_CATCH_ALL
	
	return TRUE;
}

// MemDC.h: interface for the CMemDC class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MEMDC_H__218E8F1E_92A2_483A_AE5B_C4A475CA4F7E__INCLUDED_)
#define AFX_MEMDC_H__218E8F1E_92A2_483A_AE5B_C4A475CA4F7E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CMemDC : public CDC
{
public:
// Attributes
	BITMAPINFO m_bitmapInfo;
	void* m_pDIBits;

CBitmap* m_pMemBitmap;
	CBitmap* m_pOldBitmap;

public:
	CMemDC();
	virtual ~CMemDC();

BOOL ReleaseMem();

BOOL CreateCompatibleBitmap(CDC* pDC, int nWidth, int nHeight);
	BOOL CreateDIBitmap(int nWidth, int nHeight);

CSize GetBitmapSize();

//	int StretchDIBits(CDC* pDC, int XDest, int YDest, int nDestWidth, int nDestHeight, int XSrc, int YSrc, int nSrcWidth, int nSrcHeight, DWORD dwRop);

BOOL LoadJPEG(LPCTSTR lpszPathName);
	BOOL LoadBMP(LPCTSTR lpszPathName);
	
	BOOL LoadBitmap(HINSTANCE hInstance, LPCTSTR lpBitmapName);
	BOOL LoadImage(LPCSTR lpszPathName);

BOOL SaveJPEG(LPCTSTR lpszPathName, int quality = 100); // changed for animation, from int quality = 75);
	BOOL SaveBMP(LPCTSTR lpszPathName);
};

#endif // !defined(AFX_MEMDC_H__218E8F1E_92A2_483A_AE5B_C4A475CA4F7E__INCLUDED_)

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