コード例 #1
0
ファイル: AxJpgCard.cpp プロジェクト: aaaasmile/briscola_net
/*! Create a DIB from current bitmap
// \param HDC hdcSRC : 
*/
BOOL CAxJpgCard::CreateDib(HDC hdcSRC)
{
    BITMAP        bm;
    UINT          iColorDataType;   // color data type (palette or RGB values)
    ::GetObject( m_hCurrentBitmap, sizeof(bm), (LPVOID)&bm );
    
    HDC hdcComp = CreateCompatibleDC(hdcSRC);
    
    iColorDataType = DIB_RGB_COLORS;
    
    // create a DIB
    DIBINFO DIBinfo;
    BITMAPINFOHEADER& bih = DIBinfo.bmiHeader;
    bih.biSize          = sizeof(BITMAPINFOHEADER);
    bih.biWidth         = bm.bmWidth ; 
    bih.biHeight        = bm.bmHeight;
    bih.biPlanes        = 1;                // Must always be 1 according to docs
    bih.biBitCount      = bm.bmBitsPixel;
    bih.biCompression   = BI_RGB;
    bih.biSizeImage     = BytesPerLine(bm.bmHeight, bm.bmBitsPixel) * bm.bmWidth;
    bih.biXPelsPerMeter = 0;
    bih.biYPelsPerMeter = 0;
    bih.biClrUsed       = 0;
    bih.biClrImportant  = 0;
    
    if (!::GetDIBits(hdcComp, m_hCurrentBitmap, 0, bm.bmHeight, NULL, DIBinfo, iColorDataType))
    {
        ATLTRACE("Unable to GetDIBits\n");
    }
    
    BYTE* pvBitsSRC = (BYTE*)bm.bmBits;
    BYTE* pvBitsDST = NULL;
    
    
    
    // create dib for rotated image with bitmap set to all null
    HBITMAP hCurrentDib = ::CreateDIBSection(hdcComp , (const BITMAPINFO*) DIBinfo, DIB_RGB_COLORS, (VOID**)&pvBitsDST, NULL, 0);
    ATLASSERT( hCurrentDib != NULL);
    
    DWORD dwImageSize = DIBinfo.bmiHeader.biSizeImage;
    if (dwImageSize == 0)
    {
        int nBytesPerLine = BytesPerLine(DIBinfo.bmiHeader.biWidth, 
            DIBinfo.bmiHeader.biBitCount);
        dwImageSize = nBytesPerLine * DIBinfo.bmiHeader.biHeight;
    }
    
    
    CreateHalftonePalette(DIBinfo, 256);
    
    m_hCurrentBitmap = hCurrentDib;
    
    //memcpy(pvBitsDST, pvBitsSRC, dwImageSize);
    
    
    return TRUE;
}
コード例 #2
0
ファイル: win_dib.cpp プロジェクト: Inubashiri/PDFLibNet
BOOL CDIB::SetBitmap(LPBITMAPINFO lpBitmapInfo, LPVOID lpBits)
{
//	DeleteObject();

    if (!lpBitmapInfo || !lpBits)
        return FALSE;

    HDC hDC = NULL;
    BITMAPINFOHEADER& bmih = lpBitmapInfo->bmiHeader;

    // Compute the number of colors in the color table
    m_iColorTableSize = NumColorEntries(bmih.biBitCount, bmih.biCompression);

    DWORD dwBitmapInfoSize = sizeof(BITMAPINFO) + m_iColorTableSize*sizeof(RGBQUAD);

    // Copy over BITMAPINFO contents
    memcpy(&m_DIBinfo, lpBitmapInfo, dwBitmapInfoSize);

    // Should now have all the info we need to create the sucker.
    //TRACE(_T("Width %d, Height %d, Bits/pixel %d, Image Size %d\n"),
    //      bmih.biWidth, bmih.biHeight, bmih.biBitCount, bmih.biSizeImage);

    // Create a DC which will be used to get DIB, then create DIBsection
    hDC = ::GetDC(NULL);
    if (!hDC) 
    {
        TRACE0("Unable to get DC\n");
		return FALSE;
    }

    m_hBitmap = CreateDIBSection(hDC, (const BITMAPINFO*) m_DIBinfo, m_iColorDataType, &m_ppvBits, NULL, 0);
    ::ReleaseDC(NULL, hDC);
    if (!m_hBitmap)
    {
        TRACE0("CreateDIBSection failed\n");
        return FALSE;
    }

    if (m_DIBinfo.bmiHeader.biSizeImage == 0)
    {
        int nBytesPerLine = BytesPerLine(lpBitmapInfo->bmiHeader.biWidth, 
                                         lpBitmapInfo->bmiHeader.biBitCount);
        m_DIBinfo.bmiHeader.biSizeImage = nBytesPerLine * lpBitmapInfo->bmiHeader.biHeight;
    }

	memcpy(m_ppvBits, lpBits, m_DIBinfo.bmiHeader.biSizeImage);

#ifndef DIBSECTION_NO_PALETTE
    if (!CreatePalette())
    {
        TRACE0("Unable to create palette\n");
        return FALSE;
    }
#endif // DIBSECTION_NO_PALETTE

    return TRUE;
}
コード例 #3
0
ファイル: ICONS.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: DIBToIconImage
*
*     PURPOSE:  Converts a CF_DIB memory block to an icon image
*
*     PARAMS:   LPICONIMAGE lpii          - pointer to icon image data
*               LPBYTE      lpDIB         - a pointer to the CF_DIB block
*               BOOL        bStretchToFit - TRUE to stretch, FALSE to take
*                                           the upper left corner of the DIB
*
*     RETURNS:  BOOL - TRUE for success, FALSE for failure
*
* History:
*                July '95 - Created
*
\****************************************************************************/
BOOL DIBToIconImage( LPICONIMAGE lpii, LPBYTE lpDIB, BOOL bStretch )
{
    LPBYTE    	lpNewDIB;

    // Sanity check
    if( lpDIB == NULL )
        return FALSE;

    // Let the DIB engine convert color depths if need be
    lpNewDIB = ConvertDIBFormat( (LPBITMAPINFO)lpDIB, lpii->Width, lpii->Height, lpii->Colors, bStretch );

    // Now we have a cool new DIB of the proper size/color depth
    // Lets poke it into our data structures and be done with it

    // How big is it?
    lpii->dwNumBytes = sizeof( BITMAPINFOHEADER )                    	// Header
                    + PaletteSize( (LPSTR)lpNewDIB )                    // Palette
                    + lpii->Height * BytesPerLine( (LPBITMAPINFOHEADER)lpNewDIB )	// XOR mask
                    + lpii->Height * WIDTHBYTES( lpii->Width );        	// AND mask

    // If there was already an image here, free it
    if( lpii->lpBits != NULL )
        free( lpii->lpBits );
    // Allocate enough room for the new image
    if( (lpii->lpBits = malloc( lpii->dwNumBytes )) == NULL )
    {
        free( lpii );
        return FALSE;
    }
    // Copy the bits
    memcpy( lpii->lpBits, lpNewDIB, sizeof( BITMAPINFOHEADER ) + PaletteSize( (LPSTR)lpNewDIB ) );
    // Adjust internal pointers/variables for new image
    lpii->lpbi = (LPBITMAPINFO)(lpii->lpBits);
    lpii->lpbi->bmiHeader.biHeight *= 2;
    lpii->lpXOR = FindDIBBits( (LPSTR)(lpii->lpBits) );
    memcpy( lpii->lpXOR, FindDIBBits((LPSTR)lpNewDIB), lpii->Height * BytesPerLine( (LPBITMAPINFOHEADER)lpNewDIB ) );
    lpii->lpAND = lpii->lpXOR + lpii->Height * BytesPerLine( (LPBITMAPINFOHEADER)lpNewDIB );
    memset( lpii->lpAND, 0, lpii->Height * WIDTHBYTES( lpii->Width ) );
    // Free the source
    free( lpNewDIB );
    return TRUE;
}
コード例 #4
0
ファイル: DIB.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: WriteBMPFile
*
*     PURPOSE:  Writes a BMP file from CF_DIB format
*
*     PARAMS:   LPCTSTR szFileName - the name of the file to read
*               LPBYTE - pointer to the CF_DIB, NULL for failure
*
*     RETURNS:  BOOL - TRUE for success, FALSE for Failure
*
* History:
*                July '95 - Created
*
\****************************************************************************/
BOOL WriteBMPFile( LPCTSTR szFileName, LPBYTE lpDIB )
{
    HANDLE            	hFile;
    BITMAPFILEHEADER    bfh;
    DWORD            	dwBytes, dwBytesToWrite;
    LPBITMAPINFOHEADER	lpbmih;

    // Open the file
    if( (hFile=CreateFile( szFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE )
    {
        MessageBox( NULL, "Error opening file", szFileName, MB_OK );
        return FALSE;
    }
    bfh.bfType = 0x4d42;
    bfh.bfReserved1 = 0;
    bfh.bfReserved2 = 0;
    bfh.bfOffBits = sizeof( BITMAPFILEHEADER ) + sizeof( BITMAPINFOHEADER ) + PaletteSize( lpDIB );
    bfh.bfSize = (bfh.bfOffBits + ((LPBITMAPINFOHEADER)lpDIB)->biHeight * BytesPerLine((LPBITMAPINFOHEADER)lpDIB))/4;
    // Write the header
    if( ( ! WriteFile( hFile, &bfh, sizeof(BITMAPFILEHEADER), &dwBytes, NULL ) ) || ( dwBytes != sizeof( BITMAPFILEHEADER ) ) )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Error Writing file", szFileName, MB_OK );
        return FALSE;
    }
    lpbmih = (LPBITMAPINFOHEADER)lpDIB;
    lpbmih->biHeight /= 2;
    dwBytesToWrite = bfh.bfOffBits + (lpbmih->biHeight * BytesPerLine(lpbmih));
    if( ( ! WriteFile( hFile, lpDIB, dwBytesToWrite, &dwBytes, NULL ) ) || ( dwBytes != dwBytesToWrite ) )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Error Writing file", szFileName, MB_OK );
        return FALSE;
    }
    lpbmih->biHeight *= 2;
    CloseHandle( hFile );
    return TRUE;
}
コード例 #5
0
ファイル: Bitmap.cpp プロジェクト: harnold/magrathea
Bitmap::Bitmap(const Graphics& g, const Bitmap& bitmap)
{
    if (this == &bitmap)
        return;

    m_platformBitmap = ThePlatformFactory->CreatePlatformBitmap(
        g.GetPlatformGraphics(), bitmap.Width(), bitmap.Height(),
        bitmap.BitsPerPixel());

    uchar* bits = new uchar[Height() * BytesPerLine()];
    bitmap.GetBits(g, bits, 0, Height(), BitsPerPixel());
    SetBits(g, bits, 0, Height(), BitsPerPixel());
    delete[] bits;
}
コード例 #6
0
ファイル: IP.cpp プロジェクト: neochang/PictView
/************************************************************************* 
 * 
 * ReverseDIB() 
 * 
 * Parameters: 
 * 
 * HDIB hDib        - objective DIB handle
 * 
 * Return Value: 
 * 
 * BOOL             - True is success, else False
 * 
 * Description: 
 * 
 * This function reverse DIB
 * 
 ************************************************************************/ 
BOOL ReverseDIB(HDIB hDib) 
{
	WaitCursorBegin();

	HDIB hNewDib = NULL;
	// only support 256 grayscale image
	WORD wBitCount = DIBBitCount(hDib);
	if (wBitCount != 8)
	{
		WaitCursorEnd();
		return FALSE;
	}

	// the maxium pixel value
	int  nMaxValue = 256;

	// source pixel data
    LPBITMAPINFO lpSrcDIB = (LPBITMAPINFO)GlobalLock(hDib);
	if (! lpSrcDIB)
	{
		WaitCursorBegin();
		return FALSE;
	}

	// new DIB attributes
	LPSTR lpPtr;
	LONG lHeight = DIBHeight(lpSrcDIB);
	LONG lWidth = DIBWidth(lpSrcDIB);
	DWORD dwBufferSize = GlobalSize(lpSrcDIB);
	int nLineBytes = BytesPerLine(lpSrcDIB);

	// convolute...
	for (long i=0; i<lHeight; i++) 
		for (long j=0; j<lWidth; j++) 
		{
			lpPtr=(char *)lpSrcDIB+(dwBufferSize-nLineBytes-i*nLineBytes)+j;
			*lpPtr = nMaxValue - *lpPtr;
		}

	// cleanup
	GlobalUnlock(hDib);
	WaitCursorEnd();

	return TRUE;
}
コード例 #7
0
ファイル: DIB.cpp プロジェクト: fatterbetter/ZTools
BOOL CDib::SetBitmap(const LPBITMAPINFO lpBitmapInfo, const LPVOID lpBits)
{
    DeleteObject();

    if (!lpBitmapInfo || !lpBits)
        return FALSE;

    HDC hDC = NULL;

    DWORD dwBitmapInfoSize = sizeof(BITMAPINFO);

    memcpy(&m_BMinfo, lpBitmapInfo, dwBitmapInfoSize);

    hDC = ::GetDC(NULL);
    if (!hDC) 
	{
		DeleteObject();
		return FALSE;
	}

    m_hBitmap = CreateDIBSection(hDC, &m_BMinfo,
                                    DIB_RGB_COLORS, &m_pBits, NULL, 0);
    ::ReleaseDC(NULL, hDC);
    if (!m_hBitmap)
	{
		DeleteObject();
		return FALSE;
	}

    DWORD dwImageSize = m_BMinfo.bmiHeader.biSizeImage;
    if (dwImageSize == 0)
    {
        int nBytesPerLine = BytesPerLine(lpBitmapInfo->bmiHeader.biWidth, 
                                            lpBitmapInfo->bmiHeader.biBitCount);
        dwImageSize = nBytesPerLine * lpBitmapInfo->bmiHeader.biHeight;
    }

    GdiFlush();

    memcpy(m_pBits, lpBits, dwImageSize);

    return TRUE;
}
コード例 #8
0
ファイル: ICONS.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: AdjustIconImagePointers
*
*     PURPOSE:  Adjusts internal pointers in icon resource struct
*
*     PARAMS:   LPICONIMAGE lpImage - the resource to handle
*
*     RETURNS:  BOOL - TRUE for success, FALSE for failure
*
* History:
*                July '95 - Created
*
\****************************************************************************/
BOOL AdjustIconImagePointers( LPICONIMAGE lpImage )
{
    // Sanity check
    if( lpImage==NULL )
        return FALSE;
    // BITMAPINFO is at beginning of bits
    lpImage->lpbi = (LPBITMAPINFO)lpImage->lpBits;
    // Width - simple enough
    lpImage->Width = lpImage->lpbi->bmiHeader.biWidth;
    // Icons are stored in funky format where height is doubled - account for it
    lpImage->Height = (lpImage->lpbi->bmiHeader.biHeight)/2;
    // How many colors?
    lpImage->Colors = lpImage->lpbi->bmiHeader.biPlanes * lpImage->lpbi->bmiHeader.biBitCount;
    // XOR bits follow the header and color table
    lpImage->lpXOR = FindDIBBits((LPSTR)lpImage->lpbi);
    // AND bits follow the XOR bits
    lpImage->lpAND = lpImage->lpXOR + (lpImage->Height*BytesPerLine((LPBITMAPINFOHEADER)(lpImage->lpbi)));
    return TRUE;
}
コード例 #9
0
BOOL CIconExtractor::AdjustIconImagePointers(LPICONIMAGE lpImage)
{
	if (!lpImage)
		return FALSE;

	// BITMAPINFO is at beginning of bits
	lpImage->lpbi = reinterpret_cast<LPBITMAPINFO>(lpImage->lpBits);
	// Width - simple enough
	lpImage->Width = lpImage->lpbi->bmiHeader.biWidth;
	// Icons are stored in funky format where height is doubled - account for it
	lpImage->Height = (lpImage->lpbi->bmiHeader.biHeight) / 2;
	// How many colors?
	lpImage->Colors = lpImage->lpbi->bmiHeader.biPlanes * lpImage->lpbi->bmiHeader.biBitCount;
	// XOR bits follow the header and color table
	lpImage->lpXOR = reinterpret_cast<PBYTE>(FindDIBBits(reinterpret_cast<LPSTR>(lpImage->lpbi)));
	// AND bits follow the XOR bits
	lpImage->lpAND = lpImage->lpXOR + (lpImage->Height * BytesPerLine(reinterpret_cast<LPBITMAPINFOHEADER>(lpImage->lpbi)));

	return TRUE;
}
コード例 #10
0
ファイル: VisualizerRender.cpp プロジェクト: rvbust/Open3D
std::shared_ptr<Image> Visualizer::CaptureDepthFloatBuffer(
        bool do_render/* = true*/)
{
    Image depth_image;
    depth_image.PrepareImage(view_control_ptr_->GetWindowWidth(),
            view_control_ptr_->GetWindowHeight(), 1, 4);
    if (do_render) {
        Render();
        is_redraw_required_ = false;
    }
    glFinish();

#if __APPLE__
    // On OSX with Retina display and glfw3, there is a bug with glReadPixels().
    // When using glReadPixels() to read a block of depth data. The data is
    // horizontally stretched (vertically it is fine). This issue is related
    // to GLFW_SAMPLES hint. When it is set to 0 (anti-aliasing disabled),
    // glReadPixels() works fine. See this post for details:
    // http://stackoverflow.com/questions/30608121/glreadpixel-one-pass-vs-looping-through-points
    // The reason of this bug is unknown. The current workaround is to read
    // depth buffer column by column. This is 15~30 times slower than one block
    // reading glReadPixels().
    std::vector<float> float_buffer(depth_image.height_);
    float *p = (float *)depth_image.data_.data();
    for (int j = 0; j < depth_image.width_; j++) {
        glReadPixels(j, 0, 1, depth_image.width_,
                GL_DEPTH_COMPONENT, GL_FLOAT,
                float_buffer.data());
        for (int i = 0; i < depth_image.height_; i++) {
            p[i * depth_image.width_ + j] = float_buffer[i];
        }
    }
#else //__APPLE__
    // By default, glReadPixels read a block of depth buffer.
    glReadPixels(0, 0, depth_image.width_, depth_image.height_,
            GL_DEPTH_COMPONENT, GL_FLOAT, depth_image.data_.data());
#endif //__APPLE__

    // glReadPixels get the screen in a vertically flipped manner
    // We should flip it back, and convert it to the correct depth value
    auto image_ptr = std::make_shared<Image>();
    double z_near = view_control_ptr_->GetZNear();
    double z_far = view_control_ptr_->GetZFar();

    image_ptr->PrepareImage(view_control_ptr_->GetWindowWidth(),
            view_control_ptr_->GetWindowHeight(), 1, 4);
    for (int i = 0; i < depth_image.height_; i++) {
        float *p_depth = (float *)(depth_image.data_.data() +
                depth_image.BytesPerLine() * (depth_image.height_ - i - 1));
        float *p_image = (float *)(image_ptr->data_.data() +
                image_ptr->BytesPerLine() * i);
        for (int j = 0; j < depth_image.width_; j++) {
            if (p_depth[j] == 1.0) {
                continue;
            }
            double z_depth = 2.0 * z_near * z_far /
                    (z_far + z_near - (2.0 * (double)p_depth[j] - 1.0) *
                    (z_far - z_near));
            p_image[j] = (float)z_depth;
        }
    }
    return image_ptr;
}
コード例 #11
0
ファイル: ICONS.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: MakeNewANDMaskBasedOnPoint
*
*     PURPOSE:  Creates a new AND mask for the icon image
*
*     PARAMS:   LPICONIMAGE lpIcon - pointer to icon image data
*               POINT       pt     - coords of transparent pixel
*
*     RETURNS:  BOOL - TRUE for success, FALSE for failure
*
*     COMMENTS: Creates the AND mask using the color of the pixel at pt
*               as a transparent color. The XOR mask is changed as well.
*               This is because the OS expects the XOR mask to have the
*               AND mask already applied (ie black in transparent areas)
*
* History:
*                July '95 - Created
*
\****************************************************************************/
BOOL MakeNewANDMaskBasedOnPoint( LPICONIMAGE lpIcon, POINT pt )
{
    HBITMAP        	hXORBitmap, hOldXORBitmap;
    HDC            	hDC, hMemDC1;
    LPBYTE        	pXORBits;
    COLORREF        crTransparentColor;
    LONG            i,j;


    // Account for height*2 thing
    lpIcon->lpbi->bmiHeader.biHeight /= 2;

    // Need a DC
    hDC = GetDC( NULL );

    // Use DIBSection for source
    hXORBitmap = CreateDIBSection( hDC, lpIcon->lpbi, DIB_RGB_COLORS, &pXORBits, NULL, 0  );
    memcpy( pXORBits, lpIcon->lpXOR, (lpIcon->lpbi->bmiHeader.biHeight) * BytesPerLine((LPBITMAPINFOHEADER)(lpIcon->lpbi)) );
    hMemDC1 = CreateCompatibleDC( hDC );
    hOldXORBitmap = SelectObject( hMemDC1, hXORBitmap );

    // Set the color table if need be
    if( lpIcon->lpbi->bmiHeader.biBitCount <= 8 )
        SetDIBColorTable( hMemDC1, 0, DIBNumColors((LPSTR)(lpIcon->lpbi)), lpIcon->lpbi->bmiColors);
    
    // What's the transparent color?
    crTransparentColor = GetPixel( hMemDC1, pt.x, pt.y );

    // Loop through the pixels
    for(i=0;i<lpIcon->lpbi->bmiHeader.biWidth;i++)
    {
        for(j=0;j<lpIcon->lpbi->bmiHeader.biHeight;j++)
        {
            // Is the source transparent at this point?
            if( GetPixel( hMemDC1, i, j ) == crTransparentColor )
            {
                // Yes, so set the pixel in AND mask, and clear it in XOR mask
                SetMonoDIBPixel( lpIcon->lpAND, lpIcon->lpbi->bmiHeader.biWidth, lpIcon->lpbi->bmiHeader.biHeight, i, j, TRUE );     
                if( lpIcon->lpbi->bmiHeader.biBitCount == 1 )
                    SetMonoDIBPixel( pXORBits, lpIcon->lpbi->bmiHeader.biWidth, lpIcon->lpbi->bmiHeader.biHeight, i, j, FALSE );     
                else
                    SetPixelV( hMemDC1, i, j, RGB(0,0,0) );
            }
            else
            {
                // No, so clear pixel in AND mask
                SetMonoDIBPixel( lpIcon->lpAND, lpIcon->lpbi->bmiHeader.biWidth, lpIcon->lpbi->bmiHeader.biHeight, i, j, FALSE );    
            }
        }
    }
    // Flush the SetPixelV() calls
    GdiFlush();

    SelectObject( hMemDC1, hOldXORBitmap );

    // Copy the new XOR bits back to our storage
    memcpy( lpIcon->lpXOR, pXORBits, (lpIcon->lpbi->bmiHeader.biHeight) * BytesPerLine((LPBITMAPINFOHEADER)(lpIcon->lpbi)) );

    // Clean up
    DeleteObject( hXORBitmap );
    DeleteDC( hMemDC1 );
    ReleaseDC( NULL, hDC );


    // UnAccount for height*2 thing
    lpIcon->lpbi->bmiHeader.biHeight *= 2;
    return TRUE;
}
コード例 #12
0
ファイル: win_dib.cpp プロジェクト: Inubashiri/PDFLibNet
BOOL CDIB::SetBitmap(HBITMAP hBitmap, HPALETTE hPal /*= NULL*/)
{
//    DeleteObject();

    if (!hBitmap)
        return FALSE;

    // Get dimensions of bitmap
    BITMAP bm;
    if (!::GetObject(hBitmap, sizeof(bm),(LPVOID)&bm))
        return FALSE;
    bm.bmHeight = abs(bm.bmHeight);

	HDC hDC = GetWindowDC(NULL);
    HPALETTE hOldPal = NULL;

    m_iColorTableSize = NumColorEntries(bm.bmBitsPixel, BI_RGB);

    // Initialize the BITMAPINFOHEADER in m_DIBinfo
    BITMAPINFOHEADER& bih = m_DIBinfo.bmiHeader;
    bih.biSize          = sizeof(BITMAPINFOHEADER);
    bih.biWidth         = bm.bmWidth;
    bih.biHeight        = bm.bmHeight;
    bih.biPlanes        = 1;                // Must always be 1 according to docs
    bih.biBitCount      = bm.bmBitsPixel;
    bih.biCompression   = BI_RGB;
    bih.biSizeImage     = BytesPerLine(bm.bmWidth, bm.bmBitsPixel) * bm.bmHeight;
    bih.biXPelsPerMeter = 0;
    bih.biYPelsPerMeter = 0;
    bih.biClrUsed       = 0;
    bih.biClrImportant  = 0;

    GetColorTableEntries(hDC, hBitmap);

    // If we have a palette supplied, then set the palette (and hance DIB color
    // table) using this palette
    if (hPal)
        SetPalette(hPal);

    if (hPal)
    {
        hOldPal = SelectPalette(hDC, m_hPal, FALSE);
        RealizePalette(hDC);
    }

    // Create it!
    m_hBitmap = CreateDIBSection(hDC, (const BITMAPINFO*) m_DIBinfo, m_iColorDataType, &m_ppvBits, NULL, 0);
    if (hOldPal)
        SelectPalette(hDC, hOldPal, FALSE);
    hOldPal = NULL; 

    if (! m_hBitmap)
    {
        TRACE0("Unable to CreateDIBSection\n");
        return FALSE;
    }

    // If palette was supplied then create a palette using the entries in the DIB
    // color table.
    if (! hPal)
        CreatePalette();

    // Need to copy the supplied bitmap onto the newly created DIBsection
    HDC hMemDC = CreateCompatibleDC(hDC);
	HDC hCopyDC = CreateCompatibleDC(hDC);
	
    if (! hMemDC || ! hCopyDC) 
    {
        TRACE0("Unable to create compatible DC's\n");
        //AfxThrowResourceException();
    }

    if (m_hPal)
    {
        SelectPalette(hMemDC, m_hPal, FALSE);   RealizePalette(hMemDC);
        SelectPalette(hCopyDC, m_hPal, FALSE);  RealizePalette(hCopyDC);
    }

    HBITMAP hOldMemBitmap  = (HBITMAP) SelectObject(hMemDC,  hBitmap);
    HBITMAP hOldCopyBitmap = (HBITMAP) SelectObject(hCopyDC, m_hBitmap);

    BitBlt(hCopyDC, 0, 0, bm.bmWidth, bm.bmHeight, hMemDC, 0, 0, SRCCOPY);

    SelectObject(hMemDC,  hOldMemBitmap);
    SelectObject(hCopyDC, hOldCopyBitmap);

    if (m_hPal)
    {
		HGDIOBJ hObj = ::GetStockObject(DEFAULT_PALETTE);
        SelectObject(hMemDC, hObj);
        SelectObject(hCopyDC, hObj);
    }

	ReleaseDC(NULL, hDC);
    return TRUE;
}
コード例 #13
0
ファイル: AxJpgCard.cpp プロジェクト: aaaasmile/briscola_net
/*! Rotate the current Dib on 90. At the first time a new dib is created an rotation is performed
    Attention: this function is not valid for 256 colors because no palette is loaded.
    OleLoadPicture make a bitmap and map each color on sistem color. For sistem with 256 colors or
    minor a palette is needed
// \param RECT &rc : 
// \param HDC hdcDST : 
// \param HDC hdcSRC : 
*/
BOOL CAxJpgCard::DrawRotated(RECT &rc, HDC hdcDST, HDC hdcSRC)
{
    
    BITMAP        bm;
    UINT          iColorDataType;   // color data type (palette or RGB values)
    
    if (!m_bCreatedRot)
    {
        // create a new rotated dib
        
        // bitmap pointer
        ::GetObject( m_hCurrentBitmap, sizeof(bm), (LPVOID)&bm );
        
        // by LoadImage if create Dib is done, the pointer of the Bits is bm.Bits
        
        HDC hdcComp = CreateCompatibleDC(hdcSRC);
        
        iColorDataType = DIB_RGB_COLORS;
        
        // create rotated DIB
        DIBINFO DIBinfo;
        BITMAPINFOHEADER& bih = DIBinfo.bmiHeader;
        bih.biSize          = sizeof(BITMAPINFOHEADER);
        bih.biWidth         = bm.bmHeight; 
        bih.biHeight        = bm.bmWidth ;
        bih.biPlanes        = 1;                // Must always be 1 according to docs
        bih.biBitCount      = bm.bmBitsPixel;
        bih.biCompression   = BI_RGB;
        bih.biSizeImage     = BytesPerLine(bm.bmHeight, bm.bmBitsPixel) * bm.bmWidth;
        bih.biXPelsPerMeter = 0;
        bih.biYPelsPerMeter = 0;
        bih.biClrUsed       = 0;
        bih.biClrImportant  = 0;
        
        //CDIBSectionLite Myth;
        //Myth.SetBitmap(m_hCurrentImage,NULL);
        
        // calls GetDIBits with NULL bits pointer to fill in the BITMAPINFOHEADER data
        // This filled DIBinfo is used to create the rotated DIB. We need this call because
        // we have no color information
        if (!::GetDIBits(hdcComp, m_hCurrentBitmap, 0, bm.bmHeight, NULL, DIBinfo, iColorDataType))
        {
            ATLTRACE("Unable to GetDIBits\n");
        }
        
        // invert width and height, invert now otherwise GetDIBits fail
        
        // source bitmap is very easy to retrive and this is a DIB bitmap, not a DDB
        BYTE* pvBitsSRC = (BYTE*)bm.bmBits;
        BYTE* pvBitsDST = NULL;
        
        
        // create dib for rotated image with bitmap set to all null
        HBITMAP hRotated = ::CreateDIBSection(hdcComp , (const BITMAPINFO*) DIBinfo, DIB_RGB_COLORS, (VOID**)&pvBitsDST, NULL, 0);
        ATLASSERT( hRotated != NULL);
        
        // copy the buffer
        int iBytePerLineDST = BytesPerLine(bm.bmHeight, bm.bmBitsPixel);
        int iBytePerLineSRC = BytesPerLine(bm.bmWidth, bm.bmBitsPixel);
        int iIndexDST = 0;
        int iIndexSRC = 0;
        int iIndexSRCNext = 0;
        int iIndexDSTNext = 0;
        int iWidthDST = bm.bmHeight;
        int iHeightDST = bm.bmWidth;
        int iWidthSRC = bm.bmWidth ;
        int iheightSRC = bm.bmHeight ;
        int iBitFactor = bm.bmBitsPixel / 8;
        
        // rotation on 90° on clock direction
        for (int i = 0; i < iheightSRC; i ++ )
        {
            iIndexDST = i * iBitFactor + iBytePerLineDST * (iWidthSRC - 1);
            iIndexSRC = i * iBytePerLineSRC;
            for (int j = 0; j < iWidthSRC; j ++)
            {
                
                iIndexDSTNext = iIndexDST + 1; 
                
                iIndexSRCNext = iIndexSRC + 1;
                if (iBitFactor > 2)
                {
                            // true color
                    int iDST3 = iIndexDSTNext + 1;
                    int iSRC3 = iIndexSRCNext + 1;
                    pvBitsDST[iDST3] = pvBitsSRC[iSRC3];
                }
                
                ATLASSERT(iIndexDST >= 0);
                pvBitsDST[iIndexDST] = pvBitsSRC[iIndexSRC];
                pvBitsDST[iIndexDSTNext] = pvBitsSRC[iIndexSRCNext];

                iIndexDST -= iBytePerLineDST ;
                iIndexSRC += iBitFactor;
                
            }
        }
        
        
        // set the current image to rotated image
        m_hCurrentBitmap = hRotated;
        
        SelectObject(hdcComp, m_hCurrentBitmap);
        
        SetStretchBltMode(hdcDST, COLORONCOLOR);
        
        // blit the image
        StretchBlt(hdcDST, rc.left, rc.top, (rc.right - rc.left) , (rc.bottom - rc.top), 
            hdcComp, 0,0,  e_BmH,e_BmW, SRCCOPY );
        
        DeleteDC(hdcComp);
        
        m_bCreatedRot = true;
    }
    else
    {
        SetStretchBltMode(hdcDST, COLORONCOLOR);
        // image is already created, only stretch on display
        StretchBlt(hdcDST, rc.left, rc.top, (rc.right - rc.left) , (rc.bottom - rc.top), 
            hdcSRC, 0,0,  e_BmH, e_BmW, SRCCOPY );
    }
    
    
    return TRUE;
}
コード例 #14
0
ファイル: DIB.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: ConvertDIBFormat
*
*     PURPOSE:  Creates a new DIB of the requested format, copies the source
*               image to the new DIB.
*
*     PARAMS:   LPBITMAPINFO lpSrcDIB - the source CF_DIB
*               UINT         nWidth   - width for new DIB
*               UINT         nHeight  - height for new DIB
*               UINT         nbpp     - bpp for new DIB
*               BOOL         bStretch - TRUE to stretch source to dest
*                                       FALSE to take upper left of image
*
*     RETURNS:  LPBYTE - pointer to new CF_DIB memory block with new image
*               NULL on failure
*
* History:
*                July '95 - Created
*
\****************************************************************************/
LPBYTE ConvertDIBFormat( LPBITMAPINFO lpSrcDIB, UINT nWidth, UINT nHeight, UINT nbpp, BOOL bStretch )
{
    LPBITMAPINFO    lpbmi = NULL;
    LPBYTE        	lpSourceBits, lpTargetBits, lpResult;
    HDC            	hDC = NULL, hSourceDC, hTargetDC;
    HBITMAP        	hSourceBitmap, hTargetBitmap, hOldTargetBitmap, hOldSourceBitmap;
    DWORD        	dwSourceBitsSize, dwTargetBitsSize, dwTargetHeaderSize;

    // Allocate and fill out a BITMAPINFO struct for the new DIB
    // Allow enough room for a 256-entry color table, just in case
    dwTargetHeaderSize = sizeof( BITMAPINFO ) + ( 256 * sizeof( RGBQUAD ) );
    lpbmi = malloc( dwTargetHeaderSize );
    lpbmi->bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
    lpbmi->bmiHeader.biWidth = nWidth;
    lpbmi->bmiHeader.biHeight = nHeight;
    lpbmi->bmiHeader.biPlanes = 1;
    lpbmi->bmiHeader.biBitCount = nbpp;
    lpbmi->bmiHeader.biCompression = BI_RGB;
    lpbmi->bmiHeader.biSizeImage = 0;
    lpbmi->bmiHeader.biXPelsPerMeter = 0;
    lpbmi->bmiHeader.biYPelsPerMeter = 0;
    lpbmi->bmiHeader.biClrUsed = 0;
    lpbmi->bmiHeader.biClrImportant = 0;
    // Fill in the color table
    if( ! CopyColorTable( lpbmi, (LPBITMAPINFO)lpSrcDIB ) )
    {
        free( lpbmi );
        return NULL;
    }

    // Gonna use DIBSections and BitBlt() to do the conversion, so make 'em
    hDC = GetDC( NULL );
    hTargetBitmap = CreateDIBSection( hDC, lpbmi, DIB_RGB_COLORS, &lpTargetBits, NULL, 0 );
    hSourceBitmap = CreateDIBSection( hDC, lpSrcDIB, DIB_RGB_COLORS, &lpSourceBits, NULL, 0 );
    hSourceDC = CreateCompatibleDC( hDC );
    hTargetDC = CreateCompatibleDC( hDC );

    // Flip the bits on the source DIBSection to match the source DIB
    dwSourceBitsSize = lpSrcDIB->bmiHeader.biHeight * BytesPerLine(&(lpSrcDIB->bmiHeader));
    dwTargetBitsSize = lpbmi->bmiHeader.biHeight * BytesPerLine(&(lpbmi->bmiHeader));
    memcpy( lpSourceBits, FindDIBBits((LPSTR)lpSrcDIB), dwSourceBitsSize );

    // Select DIBSections into DCs
    hOldSourceBitmap = SelectObject( hSourceDC, hSourceBitmap );
    hOldTargetBitmap = SelectObject( hTargetDC, hTargetBitmap );

    // Set the color tables for the DIBSections
    if( lpSrcDIB->bmiHeader.biBitCount <= 8 )
        SetDIBColorTable( hSourceDC, 0, 1 << lpSrcDIB->bmiHeader.biBitCount, lpSrcDIB->bmiColors );
    if( lpbmi->bmiHeader.biBitCount <= 8 )
        SetDIBColorTable( hTargetDC, 0, 1 << lpbmi->bmiHeader.biBitCount, lpbmi->bmiColors );

    // If we are asking for a straight copy, do it
    if( (lpSrcDIB->bmiHeader.biWidth==lpbmi->bmiHeader.biWidth) && (lpSrcDIB->bmiHeader.biHeight==lpbmi->bmiHeader.biHeight) )
    {
        BitBlt( hTargetDC, 0, 0, lpbmi->bmiHeader.biWidth, lpbmi->bmiHeader.biHeight, hSourceDC, 0, 0, SRCCOPY );
    }
    else
    {
        // else, should we stretch it?
        if( bStretch )
        {
            SetStretchBltMode( hTargetDC, COLORONCOLOR );
            StretchBlt( hTargetDC, 0, 0, lpbmi->bmiHeader.biWidth, lpbmi->bmiHeader.biHeight, hSourceDC, 0, 0, lpSrcDIB->bmiHeader.biWidth, lpSrcDIB->bmiHeader.biHeight, SRCCOPY );
        }
        else
        {
            // or just take the upper left corner of the source
            BitBlt( hTargetDC, 0, 0, lpbmi->bmiHeader.biWidth, lpbmi->bmiHeader.biHeight, hSourceDC, 0, 0, SRCCOPY );
        }
    }

    // Clean up and delete the DCs
    SelectObject( hSourceDC, hOldSourceBitmap );
    SelectObject( hSourceDC, hOldTargetBitmap );
    DeleteDC( hSourceDC );
    DeleteDC( hTargetDC );
    ReleaseDC( NULL, hDC );

    // Flush the GDI batch, so we can play with the bits
    GdiFlush();

    // Allocate enough memory for the new CF_DIB, and copy bits
    lpResult = malloc( dwTargetHeaderSize + dwTargetBitsSize );
    memcpy( lpResult, lpbmi, dwTargetHeaderSize );
    memcpy( FindDIBBits( lpResult ), lpTargetBits, dwTargetBitsSize );

    // final cleanup
    DeleteObject( hTargetBitmap );
    DeleteObject( hSourceBitmap );
    free( lpbmi );

    return lpResult;
}
コード例 #15
0
ファイル: DIB.C プロジェクト: cugxiangzhenwei/MySrcCode
/****************************************************************************
*
*     FUNCTION: ReadBMPFile
*
*     PURPOSE:  Reads a BMP file into CF_DIB format
*
*     PARAMS:   LPCTSTR szFileName - the name of the file to read
*
*     RETURNS:  LPBYTE - pointer to the CF_DIB, NULL for failure
*
* History:
*                July '95 - Created
*
\****************************************************************************/
LPBYTE ReadBMPFile( LPCTSTR szFileName )
{
    HANDLE            	hFile;
    BITMAPFILEHEADER    bfh;
    DWORD            	dwBytes;
    LPBYTE            	lpDIB = NULL, lpTemp = NULL;
    WORD                wPaletteSize = 0;
    DWORD            	dwBitsSize = 0;

    // Open the file
    if( (hFile=CreateFile( szFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE )
    {
        MessageBox( NULL, "Error opening file", szFileName, MB_OK );
        return NULL;
    }
    // Read the header
    if( ( ! ReadFile( hFile, &bfh, sizeof(BITMAPFILEHEADER), &dwBytes, NULL ) ) || ( dwBytes != sizeof( BITMAPFILEHEADER ) ) )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Error reading file", szFileName, MB_OK );
        return NULL;
    }
    // Does it look like a BMP file?
    if( ( bfh.bfType != 0x4d42 ) || (bfh.bfReserved1!=0) || (bfh.bfReserved2!=0) )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Not a recognised BMP format file", szFileName, MB_OK );
        return NULL;
    }
    // Allocate some memory
    if( (lpDIB = malloc( sizeof( BITMAPINFO ) )) == NULL )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Failed to allocate memory for DIB", szFileName, MB_OK );
        return NULL;
    }
    // Read in the BITMAPINFOHEADER
    if( (!ReadFile( hFile, lpDIB, sizeof(BITMAPINFOHEADER), &dwBytes, NULL )) || (dwBytes!=sizeof(BITMAPINFOHEADER)) )
    {
        CloseHandle( hFile );
        free( lpDIB );
        MessageBox( NULL, "Error reading file", szFileName, MB_OK );
        return NULL;
    }
    if( ((LPBITMAPINFOHEADER)lpDIB)->biSize != sizeof( BITMAPINFOHEADER ) )
    {
        CloseHandle( hFile );
        free( lpDIB );
        MessageBox( NULL, "OS/2 style BMPs Not Supported", szFileName, MB_OK );
        return NULL;
    }
    // How big are the elements?
    wPaletteSize = PaletteSize((LPSTR)lpDIB);
    dwBitsSize = ((LPBITMAPINFOHEADER)lpDIB)->biHeight * BytesPerLine((LPBITMAPINFOHEADER)lpDIB);
    // realloc to account for the total size of the DIB
    if( (lpTemp = realloc( lpDIB, sizeof( BITMAPINFOHEADER ) + wPaletteSize + dwBitsSize )) == NULL )
    {
        CloseHandle( hFile );
        MessageBox( NULL, "Failed to allocate memory for DIB", szFileName, MB_OK );
        free( lpDIB );
        return NULL;
    }
    lpDIB = lpTemp;
    // If there is a color table, read it
    if( wPaletteSize != 0 )
    {
        if( (!ReadFile( hFile, ((LPBITMAPINFO)lpDIB)->bmiColors, wPaletteSize, &dwBytes, NULL )) || (dwBytes!=wPaletteSize) )
        {
            CloseHandle( hFile );
            free( lpDIB );
            MessageBox( NULL, "Error reading file", szFileName, MB_OK );
            return NULL;
        }
    }
    // Seek to the bits
    // checking against 0 in case some bogus app didn't set this element
    if( bfh.bfOffBits != 0 )
    {
        if( SetFilePointer( hFile, bfh.bfOffBits, NULL, FILE_BEGIN ) == 0xffffffff )
        {
            CloseHandle( hFile );
            free( lpDIB );
            MessageBox( NULL, "Error reading file", szFileName, MB_OK );
            return NULL;
        }
    }
    // Read the image bits
    if( (!ReadFile( hFile, FindDIBBits(lpDIB), dwBitsSize, &dwBytes, NULL )) || (dwBytes!=dwBitsSize) )
    {
        CloseHandle( hFile );
        free( lpDIB );
        MessageBox( NULL, "Error reading file", szFileName, MB_OK );
        return NULL;
    }
    // clean up
    CloseHandle( hFile );
    return lpDIB;
}
コード例 #16
0
ファイル: IP.cpp プロジェクト: neochang/PictView
/************************************************************************* 
 * 
 * DilationDIB() 
 * 
 * Parameters: 
 * 
 * HDIB hDib        - objective DIB handle
 * BOOL bHori	    - dilation direction
 * 
 * Return Value: 
 * 
 * BOOL             - True is success, else False
 * 
 * Description: 
 * 
 * This function do dilation with the specified direction
 * 
 ************************************************************************/ 
BOOL DilationDIB(HDIB hDib, BOOL bHori)
{
	// start wait cursor
	WaitCursorBegin();

    // Old DIB buffer
	if (hDib == NULL)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// only support 256 color image
	WORD wBitCount = DIBBitCount(hDib);
	if (wBitCount != 8)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// new DIB
	HDIB hNewDIB = CopyHandle(hDib);
	if (! hNewDIB)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// source dib buffer
    LPBITMAPINFO lpSrcDIB = (LPBITMAPINFO)GlobalLock(hDib);
	if (! lpSrcDIB)
	{
		WaitCursorBegin();
		return FALSE;
	}
    // New DIB buffer
    LPBITMAPINFO lpbmi = (LPBITMAPINFO)GlobalLock(hNewDIB);
	if (! lpbmi)
	{
		WaitCursorBegin();
		return FALSE;
	}

	// start erosion...
	LPSTR lpPtr;
	LPSTR lpTempPtr;
	LONG  x,y;
	BYTE  num, num0;
	int   i;
	LONG lHeight = DIBHeight(lpSrcDIB);
	LONG lWidth = DIBWidth(lpSrcDIB);
	DWORD dwBufferSize = GlobalSize(lpSrcDIB);
	int nLineBytes = BytesPerLine(lpSrcDIB);
	if(bHori)
	{
		for(y=0;y<lHeight;y++)
		{
			lpPtr=(char *)lpbmi+(dwBufferSize-nLineBytes-y*nLineBytes)+1;
			lpTempPtr=(char *)lpSrcDIB+(dwBufferSize-nLineBytes-y*nLineBytes)+1;
			for(x=1;x<lWidth-1;x++)
			{
				num0 = num = 255;
				for(i=0;i<3;i++)
				{
					num=(unsigned char)*(lpPtr+i-1);
					if(num < num0)
						num0 = num;
				}
				*lpTempPtr=(unsigned char)num0;
				/*
				num=(unsigned char)*lpPtr;
				if (num==255)
				{
					*lpTempPtr=(unsigned char)255;
					for(i=0;i<3;i++)
					{
						num=(unsigned char)*(lpPtr+i-1);
						if(num==0)
						{
							*lpTempPtr=(unsigned char)0;
							break;
						}
					}
				}
				else 
					*lpTempPtr=(unsigned char)0;
				*/
				lpPtr++;
				lpTempPtr++;
			}
		}
	}
	else
	{
		for(y=1;y<lHeight-1;y++)
		{
			lpPtr=(char *)lpbmi+(dwBufferSize-nLineBytes-y*nLineBytes);
			lpTempPtr=(char *)lpSrcDIB+(dwBufferSize-nLineBytes-y*nLineBytes);
			for(x=0;x<lWidth;x++)
			{
				num0 = num = 255;
				for(i=0;i<3;i++)
				{
					num=(unsigned char)*(lpPtr+i-1);
					if(num < num0)
						num0 = num;
				}
				*lpTempPtr=(unsigned char)num0;
				/*
				num=(unsigned char)*lpPtr;
				if (num==255)
				{
					*lpTempPtr=(unsigned char)255;
					for(i=0;i<3;i++)
					{
						num=(unsigned char)*(lpPtr+(i-1)*nLineBytes);
						if(num==0)
						{
							*lpTempPtr=(unsigned char)0;
							break;
						}
					}
				}
				else 
					*lpTempPtr=(unsigned char)0;
				*/
				lpPtr++;
				lpTempPtr++;
			}
		}
	}

	// cleanup
	GlobalUnlock(hDib);
	GlobalUnlock(hNewDIB);
	GlobalFree(hNewDIB);
	WaitCursorEnd();

	return TRUE;
}
コード例 #17
0
ファイル: ImagePcx.cpp プロジェクト: chinalufei/Red
//******************* 保存为PCX (由CDib对象) ***********************
BOOL LanImage::SavePcx(LPCTSTR lpstrFileName, CDib* pDib)
{
    int i = 0;
	if (pDib == NULL)
		return FALSE;

	HDIB hDib = CopyHandle(pDib->GetHandle());
	if (hDib == NULL)
		return FALSE;

	CDib* pDibTmp = new CDib();
	pDibTmp->Attach(hDib);

	UINT uWidth  = pDibTmp->GetWidth();
	UINT uHeight = pDibTmp->GetHeight();

	// 当打开的图像BitCount不为8时,转为8位格式
	if (pDibTmp->GetBitCount() != 8)
		pDibTmp->ConvertFormat(8);

	// make PCX header
	PCXHEAD header;
	memset((LPBYTE)&header, 0, sizeof(PCXHEAD));
	header.manufacturer = 0x0A;
	header.version = 5;
	header.encoding = 1;
	header.bit_per_pixel = 8;
	//header.bit_per_pixel = 24;
	header.xmin = 0;
	header.ymin = 0;
	header.xmax = uWidth-1;
	header.ymax = uHeight-1;
	//header.Xresolution;
	//header.Yresolution;
	header.palette[0] = (BYTE)0x00;  // for correct process for mono
	header.palette[1] = (BYTE)0x00;
	header.palette[2] = (BYTE)0x00;
	header.palette[3] = (BYTE)0xff;
	header.palette[4] = (BYTE)0xff;
	header.palette[5] = (BYTE)0xff;
	//header.palette[48];
	header.reserved = 0;
	header.color_planes = 1;
	header.byte_per_line = uWidth;
	header.palette_type = 1;
	//filler[58];

	// construct PCX palette from DIB color table
	PCXPALETTE palette[256];
	PALETTEENTRY PaletteColors[256];
	pDibTmp->GetPalette()->GetPaletteEntries(0, 256, PaletteColors);
	for (i=0;i<256;i++) 
	{
		palette[i].rgbRed   = PaletteColors[i].peRed;
		palette[i].rgbGreen = PaletteColors[i].peGreen;
		palette[i].rgbBlue  = PaletteColors[i].peBlue;
	}

	// get bits ptr
	HDIB hDIB = CopyHandle(pDibTmp->GetHandle());
	delete pDibTmp;
	LPBYTE lpDIB = (LPBYTE)GlobalLock(hDIB);
	BYTE* lpBuffer = (BYTE *)FindDIBBits(lpDIB);
	WORD wWidthBytes = (WORD)BytesPerLine(lpDIB);

	/*** Open the PCX file ***/
	FILE *outFile;
	if ((outFile=fopen(lpstrFileName,"wb")) == NULL)
	{
		GlobalUnlock(hDIB);
		GlobalFree(hDIB);
		return FALSE;
	}

	/*** Write the header ***/
	fwrite((char *)&header, sizeof(PCXHEAD), 1, outFile);

	/*** Write image data ***/
	for ( i=(int)uHeight-1; i>=0; --i)
	{
		if (! WritePCXLine(header.byte_per_line, lpBuffer+i*wWidthBytes, outFile))
		{
			fclose(outFile);
			GlobalUnlock(hDIB);
			GlobalFree(hDIB);
			return FALSE;
		}
	}

	/*** Write the palette data ***/
	fputc(0x0c, outFile);
	fwrite((char *)palette, 1, sizeof(palette), outFile);

	// clear & close
	fclose(outFile);
	GlobalUnlock(hDIB);
	GlobalFree(hDIB);

	return TRUE;
}
コード例 #18
0
ファイル: IP.cpp プロジェクト: neochang/PictView
/************************************************************************* 
 * 
 * ConvoluteDIB() 
 * 
 * Parameters: 
 * 
 * HDIB hDib        - objective DIB handle
 * KERNEL *lpKernel - pointer of kernel used to convolute with DIB
 * int Strength     - operation strength set to the convolute
 * int nKernelNum   - kernel number used to convolute
 * 
 * Return Value: 
 * 
 * BOOL             - True is success, else False
 * 
 * Description: 
 * 
 * This is the generic convolute function to DIB
 * 
 ************************************************************************/ 
BOOL ConvoluteDIB(HDIB hDib, KERNEL *lpKernel, int Strength, int nKernelNum) 
{
	WaitCursorBegin();

	HDIB hNewDib = NULL;
	// we only convolute 24bpp DIB, so first convert DIB to 24bpp
	WORD wBitCount = DIBBitCount(hDib);
	if (wBitCount != 24)
		hNewDib = ConvertDIBFormat(hDib, 24, NULL);
	else
		hNewDib = CopyHandle(hDib);

	if (! hNewDib)
	{
		WaitCursorEnd();
		return FALSE;
	}

	// new DIB attributes
	WORD wDIBWidth = (WORD)DIBWidth(hNewDib);
	WORD wDIBHeight = (WORD)DIBHeight(hNewDib);
	WORD wBytesPerLine = (WORD)BytesPerLine(hNewDib);
	DWORD dwImageSize = wBytesPerLine * wDIBHeight;

	// Allocate and lock memory for filtered image data
	HGLOBAL hFilteredBits = GlobalAlloc(GHND, dwImageSize);
	if (!hFilteredBits) 
	{
		WaitCursorEnd();
		return FALSE;
	}
	LPBYTE lpDestImage = (LPBYTE)GlobalLock(hFilteredBits);

	// get bits address in DIB
	LPBYTE lpDIB = (LPBYTE)GlobalLock(hNewDib);
	LPBYTE lpDIBits = FindDIBBits(lpDIB);

	// convolute...
	for (int i=1; i<wDIBHeight-1; i++) 
		for (int j=1; j<wDIBWidth-1; j++) 
		{
			int  red=0, green=0, blue=0; 

			for (int k=0; k<nKernelNum; ++k)
			{
				int r=0, g=0, b=0; 
				DoConvoluteDIB(&r, &g, &b, i, j, 
					wBytesPerLine, lpDIBits, lpKernel+k);
				if (r > red)
					red = r;
				if (g > green)
					green = g;
				if (b > blue)
					blue = b;
				//red += r; green += g; blue += b;
			}

			// original RGB value in center pixel  (j, i)
			LONG lOffset= PIXEL_OFFSET(i,j, wBytesPerLine);
			BYTE OldB = *(lpDIBits + lOffset++);
			BYTE OldG = *(lpDIBits + lOffset++);
			BYTE OldR = *(lpDIBits + lOffset);
			// When we get here, red, green and blue have the new RGB value.
			if (Strength != 10) 
			{
				// Interpolate pixel data
				red   = OldR + (((red - OldR) * Strength) / 10);
				green = OldG + (((green - OldG) * Strength) / 10);
				blue  = OldB + (((blue - OldB) * Strength) / 10);
			}

			lOffset= PIXEL_OFFSET(i,j, wBytesPerLine);
			*(lpDestImage + lOffset++) = BOUND(blue, 0, 255);
			*(lpDestImage + lOffset++) = BOUND(green, 0, 255);
			*(lpDestImage + lOffset)   = BOUND(red, 0, 255);
		}

	// a filtered image is available in lpDestImage
	// copy it to DIB bits
	memcpy(lpDIBits, lpDestImage, dwImageSize);

	// cleanup temp buffers
	GlobalUnlock(hFilteredBits);
	GlobalFree(hFilteredBits);
	GlobalUnlock(hNewDib);

	// rebuild hDib
	HDIB hTmp = NULL;
	if (wBitCount != 24)
		hTmp = ConvertDIBFormat(hNewDib, wBitCount, NULL);
	else
		hTmp = CopyHandle(hNewDib);
	GlobalFree(hNewDib);
	DWORD dwSize = GlobalSize(hTmp);
	memcpy((LPBYTE)GlobalLock(hDib), (LPBYTE)GlobalLock(hTmp), dwSize);
	GlobalUnlock(hTmp);
	GlobalFree(hTmp);
	GlobalUnlock(hDib);
	WaitCursorEnd();

	return TRUE;
}
コード例 #19
0
ファイル: IP.cpp プロジェクト: neochang/PictView
/************************************************************************* 
 * 
 * MedianFilterDIB() 
 * 
 * Parameters: 
 * 
 * HDIB hDib        - objective DIB handle
 * 
 * Return Value: 
 * 
 * BOOL             - True is success, else False
 * 
 * Description: 
 * 
 * This is the media filtering function to DIB
 * 
 ************************************************************************/ 
BOOL MedianFilterDIB(HDIB hDib) 
{
	WaitCursorBegin();

	HDIB hNewDib = NULL;
	// we only convolute 24bpp DIB, so first convert DIB to 24bpp
	WORD wBitCount = DIBBitCount(hDib);
	if (wBitCount != 24)
		hNewDib = ConvertDIBFormat(hDib, 24, NULL);
	else
		hNewDib = CopyHandle(hDib);

	if (! hNewDib)
	{
		WaitCursorEnd();
		return FALSE;
	}

	// new DIB attributes
	WORD wDIBWidth = (WORD)DIBWidth(hNewDib);
	WORD wDIBHeight = (WORD)DIBHeight(hNewDib);
	WORD wBytesPerLine = (WORD)BytesPerLine(hNewDib);
	DWORD dwImageSize = wBytesPerLine * wDIBHeight;

	// Allocate and lock memory for filtered image data
	HGLOBAL hFilteredBits = GlobalAlloc(GHND, dwImageSize);
	if (!hFilteredBits) 
	{
		WaitCursorEnd();
		return FALSE;
	}
	LPBYTE lpDestImage = (LPBYTE)GlobalLock(hFilteredBits);

	// get bits address in DIB
	LPBYTE lpDIB = (LPBYTE)GlobalLock(hNewDib);
	LPBYTE lpDIBits = FindDIBBits(lpDIB);

	// convolute...
	for (int i=1; i<wDIBHeight-1; i++) 
		for (int j=1; j<wDIBWidth-1; j++) 
		{
			int  red=0, green=0, blue=0; 
			DoMedianFilterDIB(&red, &green, &blue, i, j, wBytesPerLine, lpDIBits);

			LONG lOffset= PIXEL_OFFSET(i,j, wBytesPerLine);
			*(lpDestImage + lOffset++) = BOUND(blue, 0, 255);
			*(lpDestImage + lOffset++) = BOUND(green, 0, 255);
			*(lpDestImage + lOffset)   = BOUND(red, 0, 255);
		}

	// a filtered image is available in lpDestImage
	// copy it to DIB bits
	memcpy(lpDIBits, lpDestImage, dwImageSize);

	// cleanup temp buffers
	GlobalUnlock(hFilteredBits);
	GlobalFree(hFilteredBits);
	GlobalUnlock(hNewDib);

	// rebuild hDib
	HDIB hTmp = NULL;
	if (wBitCount != 24)
		hTmp = ConvertDIBFormat(hNewDib, wBitCount, NULL);
	else
		hTmp = CopyHandle(hNewDib);
	GlobalFree(hNewDib);
	DWORD dwSize = GlobalSize(hTmp);
	memcpy((LPBYTE)GlobalLock(hDib), (LPBYTE)GlobalLock(hTmp), dwSize);
	GlobalUnlock(hTmp);
	GlobalFree(hTmp);
	GlobalUnlock(hDib);
	WaitCursorEnd();

	return TRUE;
}
コード例 #20
0
ファイル: IP.cpp プロジェクト: neochang/PictView
/************************************************************************* 
 * 
 * ThinningDIB() 
 * 
 * Parameters: 
 * 
 * HDIB hDib        - objective DIB handle
 * 
 * Return Value: 
 * 
 * BOOL             - True is success, else False
 * 
 * Description: 
 * 
 * This function thins a DIB
 * 
 ************************************************************************/ 
BOOL ThinningDIB(HDIB hDib)
{
	static int erasetable[256]=
	{
		0,0,1,1,0,0,1,1,
		1,1,0,1,1,1,0,1,
		1,1,0,0,1,1,1,1,
		0,0,0,0,0,0,0,1,

		0,0,1,1,0,0,1,1,
		1,1,0,1,1,1,0,1,
		1,1,0,0,1,1,1,1,
		0,0,0,0,0,0,0,1,

		1,1,0,0,1,1,0,0,
		0,0,0,0,0,0,0,0,
		0,0,0,0,0,0,0,0,
		0,0,0,0,0,0,0,0,

		1,1,0,0,1,1,0,0,
		1,1,0,1,1,1,0,1,
		0,0,0,0,0,0,0,0,
		0,0,0,0,0,0,0,0,

		0,0,1,1,0,0,1,1,
		1,1,0,1,1,1,0,1,
		1,1,0,0,1,1,1,1,
		0,0,0,0,0,0,0,1,

		0,0,1,1,0,0,1,1,
		1,1,0,1,1,1,0,1,
		1,1,0,0,1,1,1,1,
		0,0,0,0,0,0,0,0,

		1,1,0,0,1,1,0,0,
		0,0,0,0,0,0,0,0,
		1,1,0,0,1,1,1,1,
		0,0,0,0,0,0,0,0,

		1,1,0,0,1,1,0,0,
		1,1,0,1,1,1,0,0,
		1,1,0,0,1,1,1,0,
		1,1,0,0,1,0,0,0
	};

	// start wait cursor
	WaitCursorBegin();

    // Old DIB buffer
	if (hDib == NULL)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// only support 256 color image
	WORD wBitCount = DIBBitCount(hDib);
	if (wBitCount != 8)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// new DIB
	HDIB hNewDIB = CopyHandle(hDib);
	if (! hNewDIB)
	{
		WaitCursorEnd();
        return FALSE;
	}

	// source dib buffer
    LPBITMAPINFO lpSrcDIB = (LPBITMAPINFO)GlobalLock(hDib);
	if (! lpSrcDIB)
	{
		WaitCursorBegin();
		return FALSE;
	}
    // New DIB buffer
    LPBITMAPINFO lpbmi = (LPBITMAPINFO)GlobalLock(hNewDIB);
	if (! lpbmi)
	{
		WaitCursorBegin();
		return FALSE;
	}

	// start erosion...
	LPSTR lpPtr;
	LPSTR lpTempPtr;
	LONG  x,y;
	BYTE  num;
	LONG lHeight = DIBHeight(lpSrcDIB);
	LONG lWidth = DIBWidth(lpSrcDIB);
	DWORD dwBufferSize = GlobalSize(lpSrcDIB);
	int nLineBytes = BytesPerLine(lpSrcDIB);
	int nw,n,ne,w,e,sw,s,se;

	BOOL Finished=FALSE;
    while(!Finished)
	{
    	Finished=TRUE;
		for (y=1;y<lHeight-1;y++)
		{ 
			lpPtr=(char *)lpbmi+(dwBufferSize-nLineBytes-y*nLineBytes);
			lpTempPtr=(char *)lpSrcDIB+(dwBufferSize-nLineBytes-y*nLineBytes);
			x=1; 
			while(x<lWidth-1)
			{
				if(*(lpPtr+x)==0)
				{
					w=(unsigned char)*(lpPtr+x-1);
					e=(unsigned char)*(lpPtr+x+1);
					if( (w==255)|| (e==255))
					{
						nw=(unsigned char)*(lpPtr+x+nLineBytes-1);
						n=(unsigned char)*(lpPtr+x+nLineBytes);
						ne=(unsigned char)*(lpPtr+x+nLineBytes+1);
						sw=(unsigned char)*(lpPtr+x-nLineBytes-1);
						s=(unsigned char)*(lpPtr+x-nLineBytes);
						se=(unsigned char)*(lpPtr+x-nLineBytes+1);
						num=nw/255+n/255*2+ne/255*4+w/255*8+e/255*16+sw/255*32+s/255*64+se/255*128;
						if(erasetable[num]==1)
						{
							*(lpPtr+x)=(BYTE)255;
							*(lpTempPtr+x)=(BYTE)255;
							Finished=FALSE;
							x++;
						}
					}
				}
				x++;
			}
		}
	
		for (x=1;x<lWidth-1;x++)
		{ 
			y=1;
			while(y<lHeight-1)
			{
				lpPtr=(char *)lpbmi+(dwBufferSize-nLineBytes-y*nLineBytes);
				lpTempPtr=(char *)lpSrcDIB+(dwBufferSize-nLineBytes-y*nLineBytes);
				if(*(lpPtr+x)==0)
				{
					n=(unsigned char)*(lpPtr+x+nLineBytes);
					s=(unsigned char)*(lpPtr+x-nLineBytes);
					if( (n==255)|| (s==255))
					{
						nw=(unsigned char)*(lpPtr+x+nLineBytes-1);
						ne=(unsigned char)*(lpPtr+x+nLineBytes+1);
						w=(unsigned char)*(lpPtr+x-1);
						e=(unsigned char)*(lpPtr+x+1);
						sw=(unsigned char)*(lpPtr+x-nLineBytes-1);
						se=(unsigned char)*(lpPtr+x-nLineBytes+1);
						num=nw/255+n/255*2+ne/255*4+w/255*8+e/255*16+sw/255*32+s/255*64+se/255*128;
						if(erasetable[num]==1)
						{
							*(lpPtr+x)=(BYTE)255;
							*(lpTempPtr+x)=(BYTE)255;
							Finished=FALSE;
							y++;
						}
					}
				}
				y++;
			}
		} 
	}

	// cleanup
	GlobalUnlock(hDib);
	GlobalUnlock(hNewDIB);
	GlobalFree(hNewDIB);

	return TRUE;
}