bool BM2CMP_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, int aCtl )
{
    // Prj().MaybeLoadProjectSettings();

    m_BitmapFileName = aFileSet[0];

    if( !m_Pict_Image.LoadFile( m_BitmapFileName ) )
    {
        // LoadFile has its own UI, no need for further failure notification here
        return false;
    }

    m_Pict_Bitmap = wxBitmap( m_Pict_Image );

    int h  = m_Pict_Bitmap.GetHeight();
    int w  = m_Pict_Bitmap.GetWidth();

    // Determine image resolution in DPI (does not existing in all formats).
    // the resolution can be given in bit per inches or bit per cm in file
    m_imageDPI.x = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONX );
    m_imageDPI.y = m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONY );

    if( m_imageDPI.x > 1 && m_imageDPI.y > 1 )
    {
        if( m_Pict_Image.GetOptionInt( wxIMAGE_OPTION_RESOLUTIONUNIT ) == wxIMAGE_RESOLUTION_CM )
        {
            // When the initial resolution is given in bits per cm,
            // experience shows adding 1.27 to the resolution converted in dpi
            // before convert to int value reduce the conversion error
            // but it is not perfect
            m_imageDPI.x = m_imageDPI.x * 2.54 + 1.27;
            m_imageDPI.y = m_imageDPI.y * 2.54 + 1.27;
        }
    }
    else    // fallback to the default value
        m_imageDPI.x = m_imageDPI.y = DEFAULT_DPI;

    // Display image info:
    // We are using ChangeValue here to avoid generating a wxEVT_TEXT event.
    m_DPIValueX->ChangeValue( wxString::Format( wxT( "%d" ), m_imageDPI.x ) );
    m_DPIValueY->ChangeValue( wxString::Format( wxT( "%d" ), m_imageDPI.y ) );
    updateImageInfo();

    m_InitialPicturePanel->SetVirtualSize( w, h );
    m_GreyscalePicturePanel->SetVirtualSize( w, h );
    m_BNPicturePanel->SetVirtualSize( w, h );

    m_Greyscale_Image.Destroy();
    m_Greyscale_Image = m_Pict_Image.ConvertToGreyscale( );

    if( m_rbOptions->GetSelection() > 0 )
        NegateGreyscaleImage( );

    m_Greyscale_Bitmap = wxBitmap( m_Greyscale_Image );

    m_NB_Image  = m_Greyscale_Image;
    Binarize( (double) m_sliderThreshold->GetValue()/m_sliderThreshold->GetMax() );

    return true;
}
示例#2
0
void wxCursor::InitFromImage( const wxImage & image )
{
    const int w = image.GetWidth();
    const int h = image.GetHeight();
    const guchar* alpha = image.GetAlpha();
    const bool hasMask = image.HasMask();
    int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
    int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
    if (hotSpotX < 0 || hotSpotX > w) hotSpotX = 0;
    if (hotSpotY < 0 || hotSpotY > h) hotSpotY = 0;
    GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(image.GetData(), GDK_COLORSPACE_RGB, false, 8, w, h, w * 3, NULL, NULL);
    if (alpha || hasMask)
    {
        guchar r = 0, g = 0, b = 0;
        if (hasMask)
        {
            r = image.GetMaskRed();
            g = image.GetMaskGreen();
            b = image.GetMaskBlue();
        }
        GdkPixbuf* pixbuf0 = pixbuf;
        pixbuf = gdk_pixbuf_add_alpha(pixbuf, hasMask, r, g, b);
        g_object_unref(pixbuf0);
        if (alpha)
        {
            guchar* d = gdk_pixbuf_get_pixels(pixbuf);
            const int stride = gdk_pixbuf_get_rowstride(pixbuf);
            for (int j = 0; j < h; j++, d += stride)
                for (int i = 0; i < w; i++, alpha++)
                    if (d[4 * i + 3])
                        d[4 * i + 3] = *alpha;
        }
    }
    m_refData = new wxCursorRefData;
    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY);
    g_object_unref(pixbuf);
}
示例#3
0
void wxCursor::CreateFromImage(const wxImage & image)
{
    m_refData = new wxCursorRefData;

    int w = 16;
    int h = 16;

    int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
    int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
    int image_w = image.GetWidth();
    int image_h = image.GetHeight();

    wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < image_w &&
                  hotSpotY >= 0 && hotSpotY < image_h,
                  _T("invalid cursor hot spot coordinates") );

    wxImage image16(image); // final image of correct size

    // if image is too small then place it in the center, resize it if too big
    if ((w > image_w) && (h > image_h))
    {
        wxPoint offset((w - image_w)/2, (h - image_h)/2);
        hotSpotX = hotSpotX + offset.x;
        hotSpotY = hotSpotY + offset.y;

        image16 = image.Size(wxSize(w, h), offset);
    }
    else if ((w != image_w) || (h != image_h))
    {
        hotSpotX = int(hotSpotX * double(w) / double(image_w));
        hotSpotY = int(hotSpotY * double(h) / double(image_h));

        image16 = image.Scale(w, h);
    }

    unsigned char * rgbBits = image16.GetData();
    bool bHasMask = image16.HasMask() ;

#if 0
    // monochrome implementation
    M_CURSORDATA->m_hCursor = NewHandle( sizeof( Cursor ) ) ;
    M_CURSORDATA->m_disposeHandle = true ;
    HLock( (Handle) M_CURSORDATA->m_hCursor ) ;
    CursPtr cp = *(CursHandle)M_CURSORDATA->m_hCursor ;
    memset( cp->data , 0 , sizeof( Bits16 ) ) ;
    memset( cp->mask , 0 , sizeof( Bits16 ) ) ;

    unsigned char mr = image16.GetMaskRed() ;
    unsigned char mg = image16.GetMaskGreen() ;
    unsigned char mb = image16.GetMaskBlue() ;
    for ( int y = 0 ; y < h ; ++y )
    {
        short rowbits = 0 ;
        short maskbits = 0 ;

        for ( int x = 0 ; x < w ; ++x )
        {
            long pos = (y * w + x) * 3;

            unsigned char r = rgbBits[pos] ;
            unsigned char g = rgbBits[pos+1] ;
            unsigned char b = rgbBits[pos+2] ;
            if ( bHasMask && r==mr && g==mg && b==mb )
            {
                // masked area, does not appear anywhere
            }
            else
            {
                if ( (int)r + (int)g + (int)b < 0x0200 )
                {
                    rowbits |= ( 1 << (15-x) ) ;
                }
                maskbits |= ( 1 << (15-x) ) ;
            }
        }
        cp->data[y] = rowbits ;
        cp->mask[y] = maskbits ;
    }
    if ( !bHasMask )
    {
        memcpy( cp->mask , cp->data , sizeof( Bits16) ) ;
    }
    cp->hotSpot.h = hotSpotX ;
    cp->hotSpot.v = hotSpotY ;
    HUnlock( (Handle) M_CURSORDATA->m_hCursor ) ;
#else
    PixMapHandle pm = (PixMapHandle) NewHandleClear( sizeof (PixMap))  ;
    short extent = 16 ;
    short bytesPerPixel = 1 ;
    short depth = 8 ;
    Rect bounds = { 0 , 0 , extent , extent } ;
    CCrsrHandle ch = (CCrsrHandle) NewHandleClear ( sizeof( CCrsr ) ) ;
    CTabHandle newColors = GetCTable( 8 ) ;
    HandToHand((Handle *) &newColors);
    // set the values to the indices
    for ( int i = 0 ; i < (**newColors).ctSize ; ++i )
    {
        (**newColors).ctTable[i].value = i ;
    }
    HLock( (Handle) ch) ;
    (**ch).crsrType = 0x8001 ; // color cursors
    (**ch).crsrMap = pm ;
    short bytesPerRow = bytesPerPixel * extent ;

    (**pm).baseAddr = 0;
    (**pm).rowBytes = bytesPerRow | 0x8000;
    (**pm).bounds = bounds;
    (**pm).pmVersion = 0;
    (**pm).packType = 0;
    (**pm).packSize = 0;
    (**pm).hRes = 0x00480000; /* 72 DPI default res */
    (**pm).vRes = 0x00480000; /* 72 DPI default res */
    (**pm).pixelSize = depth;
    (**pm).pixelType = 0;
    (**pm).cmpCount = 1;
    (**pm).cmpSize = depth;
    (**pm).pmTable = newColors;

    (**ch).crsrData = NewHandleClear( extent * bytesPerRow ) ;
    (**ch).crsrXData = NULL ;
    (**ch).crsrXValid = 0;
    (**ch).crsrXHandle = NULL;

    (**ch).crsrHotSpot.h = hotSpotX ;
    (**ch).crsrHotSpot.v = hotSpotY ;
    (**ch).crsrXTable = NULL ;
    (**ch).crsrID = GetCTSeed() ;

    memset( (**ch).crsr1Data  , 0 , sizeof( Bits16 ) ) ;
    memset( (**ch).crsrMask , 0 , sizeof( Bits16 ) ) ;

    unsigned char mr = image16.GetMaskRed() ;
    unsigned char mg = image16.GetMaskGreen() ;
    unsigned char mb = image16.GetMaskBlue() ;
    for ( int y = 0 ; y < h ; ++y )
    {
        short rowbits = 0 ;
        short maskbits = 0 ;

        for ( int x = 0 ; x < w ; ++x )
        {
            long pos = (y * w + x) * 3;

            unsigned char r = rgbBits[pos] ;
            unsigned char g = rgbBits[pos+1] ;
            unsigned char b = rgbBits[pos+2] ;
            RGBColor col = { 0xFFFF ,0xFFFF, 0xFFFF } ;

            if ( bHasMask && r==mr && g==mg && b==mb )
            {
                // masked area, does not appear anywhere
            }
            else
            {
                if ( (int)r + (int)g + (int)b < 0x0200 )
                {
                    rowbits |= ( 1 << (15-x) ) ;
                }
                maskbits |= ( 1 << (15-x) ) ;

                col = *((RGBColor*) wxColor( r , g , b ).GetPixel()) ;
            }
            *((*(**ch).crsrData) + y * bytesPerRow + x) =
                GetCTabIndex( newColors , &col) ;
        }
        (**ch).crsr1Data[y] = rowbits ;
        (**ch).crsrMask[y] = maskbits ;
    }
    if ( !bHasMask )
    {
        memcpy( (**ch).crsrMask , (**ch).crsr1Data , sizeof( Bits16) ) ;
    }

    HUnlock((Handle) ch) ;
    M_CURSORDATA->m_hCursor = ch ;
    M_CURSORDATA->m_isColorCursor = true ;
#endif
}