- // width and height of the device-dependent bitmap
- int width = GetWidth();
- int bmpHeight = GetHeight();
-
- // calc the number of bytes per scanline and padding
- int bytePerLine = width*3;
- int sizeDWORD = sizeof( DWORD );
- int lineBoundary = bytePerLine % sizeDWORD;
- int padding = 0;
- if( lineBoundary > 0 )
- {
- padding = sizeDWORD - lineBoundary;
- bytePerLine += padding;
- }
- // calc the number of DIBs and heights of DIBs
- int numDIB = 1;
- int hRemain = 0;
- int height = sizeLimit/bytePerLine;
- if( height >= bmpHeight )
- height = bmpHeight;
- else
- {
- numDIB = bmpHeight / height;
- hRemain = bmpHeight % height;
- if( hRemain >0 ) numDIB++;
- }
-
- // set bitmap parameters
- wxBitmap bitmap;
- wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") );
- bitmap.SetWidth( width );
- bitmap.SetHeight( bmpHeight );
- bitmap.SetDepth( wxDisplayDepth() );
-
- // create a DIB header
- int headersize = sizeof(BITMAPINFOHEADER);
- LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
- wxCHECK_MSG( lpDIBh, bitmap, wxT("could not allocate memory for DIB header") );
- // Fill in the DIB header
- lpDIBh->bmiHeader.biSize = headersize;
- lpDIBh->bmiHeader.biWidth = (DWORD)width;
- lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
- lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
- // the general formula for biSizeImage:
- // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height;
- lpDIBh->bmiHeader.biPlanes = 1;
- lpDIBh->bmiHeader.biBitCount = 24;
- lpDIBh->bmiHeader.biCompression = BI_RGB;
- lpDIBh->bmiHeader.biClrUsed = 0;
- // These seem not really needed for our purpose here.
- lpDIBh->bmiHeader.biClrImportant = 0;
- lpDIBh->bmiHeader.biXPelsPerMeter = 0;
- lpDIBh->bmiHeader.biYPelsPerMeter = 0;
- // memory for DIB data
- unsigned char *lpBits;
- lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage );
- if( !lpBits )
- {
- wxFAIL_MSG( wxT("could not allocate memory for DIB") );
- free( lpDIBh );
- return bitmap;
- }
-
- // create and set the device-dependent bitmap
- HDC hdc = ::GetDC(NULL);
- HDC memdc = ::CreateCompatibleDC( hdc );
- HBITMAP hbitmap;
- hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight );
- ::SelectObject( memdc, hbitmap);
-
- // copy image data into DIB data and then into DDB (in a loop)
- unsigned char *data = GetData();
- int i, j, n;
- int origin = 0;
- unsigned char *ptdata = data;
- unsigned char *ptbits;
-
- for( n=0; n<numDIB; n++ )
- {
- if( numDIB > 1 && n == numDIB-1 && hRemain > 0 )
- {
- // redefine height and size of the (possibly) last smaller DIB
- // memory is not reallocated
- height = hRemain;
- lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
- lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
- }
- ptbits = lpBits;
-
- for( j=0; j<height; j++ )
- {
- for( i=0; i<width; i++ )
- {
- *(ptbits++) = *(ptdata+2);
- *(ptbits++) = *(ptdata+1);
- *(ptbits++) = *(ptdata );
- ptdata += 3;
- }
- for( i=0; i< padding; i++ ) *(ptbits++) = 0;
- }
- ::StretchDIBits( memdc, 0, origin, width, height,\
- 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
- origin += height;
- // if numDIB = 1, lines below can also be used
- // hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS );
- // The above line is equivalent to the following two lines.
- // hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
- // ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS);
- // or the following lines
- // hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
- // HDC memdc = ::CreateCompatibleDC( hdc );
- // ::SelectObject( memdc, hbitmap);
- // ::SetDIBitsToDevice( memdc, 0, 0, width, height,
- // 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS);
- // ::SelectObject( memdc, 0 );
- // ::DeleteDC( memdc );
- }
- bitmap.SetHBITMAP( (WXHBITMAP) hbitmap );
-
- // similarly, created an mono-bitmap for the possible mask
- if( HasMask() )
- {
- hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL );
- ::SelectObject( memdc, hbitmap);
- if( numDIB == 1 ) height = bmpHeight;
- else height = sizeLimit/bytePerLine;
- lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
- lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
- origin = 0;
- unsigned char r = GetMaskRed();
- unsigned char g = GetMaskGreen();
- unsigned char b = GetMaskBlue();
- unsigned char zero = 0, one = 255;
- ptdata = data;
- for( n=0; n<numDIB; n++ )
- {
- if( numDIB > 1 && n == numDIB - 1 && hRemain > 0 )
- {
- // redefine height and size of the (possibly) last smaller DIB
- // memory is not reallocated
- height = hRemain;
- lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
- lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
- }
- ptbits = lpBits;
- for( int j=0; j<height; j++ )
- {
- for(i=0; i<width; i++ )
- {
- if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
- {
- *(ptbits++) = one;
- *(ptbits++) = one;
- *(ptbits++) = one;
- }
- else
- {
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- }
- }
- for( i=0; i< padding; i++ ) *(ptbits++) = zero;
- }
- ::StretchDIBits( memdc, 0, origin, width, height,\
- 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
- origin += height;
- }
- // create a wxMask object
- wxMask *mask = new wxMask();
- mask->SetMaskBitmap( (WXHBITMAP) hbitmap );
- bitmap.SetMask( mask );
- // It will be deleted when the wxBitmap object is deleted (as of 01/1999)
- /* The following can also be used but is slow to run
- wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue());
- wxMask *mask = new wxMask( bitmap, colour );
- bitmap.SetMask( mask );
- */
- }
-
- // free allocated resources
- ::SelectObject( memdc, 0 );
- ::DeleteDC( memdc );
- ::ReleaseDC(NULL, hdc);
- free(lpDIBh);
- free(lpBits);
-
-#if WXWIN_COMPATIBILITY_2
- // check the wxBitmap object
- bitmap.GetBitmapData()->SetOk();
-#endif // WXWIN_COMPATIBILITY_2
-
- return bitmap;
-}
-
-wxImage::wxImage( const wxBitmap &bitmap )
-{
- // check the bitmap
- if( !bitmap.Ok() )
- {
- wxFAIL_MSG( wxT("invalid bitmap") );
- return;
- }
-
- // create an wxImage object
- int width = bitmap.GetWidth();
- int height = bitmap.GetHeight();
- Create( width, height );
- unsigned char *data = GetData();
- if( !data )
- {
- wxFAIL_MSG( wxT("could not allocate data for image") );
- return;
- }
-
- // calc the number of bytes per scanline and padding in the DIB
- int bytePerLine = width*3;
- int sizeDWORD = sizeof( DWORD );
- int lineBoundary = bytePerLine % sizeDWORD;
- int padding = 0;
- if( lineBoundary > 0 )
- {
- padding = sizeDWORD - lineBoundary;
- bytePerLine += padding;
- }
-
- // create a DIB header
- int headersize = sizeof(BITMAPINFOHEADER);
- LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
- if( !lpDIBh )
- {
- wxFAIL_MSG( wxT("could not allocate data for DIB header") );
- free( data );
- return;
- }
- // Fill in the DIB header
- lpDIBh->bmiHeader.biSize = headersize;
- lpDIBh->bmiHeader.biWidth = width;
- lpDIBh->bmiHeader.biHeight = -height;
- lpDIBh->bmiHeader.biSizeImage = bytePerLine * height;
- lpDIBh->bmiHeader.biPlanes = 1;
- lpDIBh->bmiHeader.biBitCount = 24;
- lpDIBh->bmiHeader.biCompression = BI_RGB;
- lpDIBh->bmiHeader.biClrUsed = 0;
- // These seem not really needed for our purpose here.
- lpDIBh->bmiHeader.biClrImportant = 0;
- lpDIBh->bmiHeader.biXPelsPerMeter = 0;
- lpDIBh->bmiHeader.biYPelsPerMeter = 0;
- // memory for DIB data
- unsigned char *lpBits;
- lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
- if( !lpBits )
- {
- wxFAIL_MSG( wxT("could not allocate data for DIB") );
- free( data );
- free( lpDIBh );
- return;
- }
-
- // copy data from the device-dependent bitmap to the DIB
- HDC hdc = ::GetDC(NULL);
- HBITMAP hbitmap;
- hbitmap = (HBITMAP) bitmap.GetHBITMAP();
- ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-
- // copy DIB data into the wxImage object
- int i, j;
- unsigned char *ptdata = data;
- unsigned char *ptbits = lpBits;
- for( i=0; i<height; i++ )
- {
- for( j=0; j<width; j++ )
- {
- *(ptdata++) = *(ptbits+2);
- *(ptdata++) = *(ptbits+1);
- *(ptdata++) = *(ptbits );
- ptbits += 3;
- }
- ptbits += padding;
- }
-
- // similarly, set data according to the possible mask bitmap
- if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
- {
- hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
- // memory DC created, color set, data copied, and memory DC deleted
- HDC memdc = ::CreateCompatibleDC( hdc );
- ::SetTextColor( memdc, RGB( 0, 0, 0 ) );
- ::SetBkColor( memdc, RGB( 255, 255, 255 ) );
- ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
- ::DeleteDC( memdc );
- // background color set to RGB(16,16,16) in consistent with wxGTK
- unsigned char r=16, g=16, b=16;
- ptdata = data;
- ptbits = lpBits;
- for( i=0; i<height; i++ )
- {
- for( j=0; j<width; j++ )
- {
- if( *ptbits != 0 )
- ptdata += 3;
- else
- {
- *(ptdata++) = r;
- *(ptdata++) = g;
- *(ptdata++) = b;
- }
- ptbits += 3;
- }
- ptbits += padding;
- }
- SetMaskColour( r, g, b );
- SetMask( TRUE );
- }
- else
- {
- SetMask( FALSE );
- }
- // free allocated resources
- ::ReleaseDC(NULL, hdc);
- free(lpDIBh);
- free(lpBits);
-}
-
-#endif
-
-#ifdef __WXMAC__
-
-#include <PictUtils.h>
-
-extern CTabHandle wxMacCreateColorTable( int numColors ) ;
-extern void wxMacDestroyColorTable( CTabHandle colors ) ;
-extern void wxMacSetColorTableEntry( CTabHandle newColors , int index , int red , int green , int blue ) ;
-extern GWorldPtr wxMacCreateGWorld( int height , int width , int depth ) ;
-extern void wxMacDestroyGWorld( GWorldPtr gw ) ;
-
-wxBitmap wxImage::ConvertToBitmap() const
-{
- // width and height of the device-dependent bitmap
- int width = GetWidth();
- int height = GetHeight();
-
- // Create picture
-
- wxBitmap bitmap( width , height , wxDisplayDepth() ) ;
-
- // Create mask
-
- if (HasMask())
- {
- /*
- unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
-
- mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
-
- wxMask *mask = new wxMask();
- mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
-
- bitmap.SetMask( mask );
- */
- }
-
- // Render
-
- int r_mask = GetMaskRed();
- int g_mask = GetMaskGreen();
- int b_mask = GetMaskBlue();
-
- CGrafPtr origPort ;
- GDHandle origDevice ;
-
- GetGWorld( &origPort , &origDevice ) ;
- SetGWorld( bitmap.GetHBITMAP() , NULL ) ;
-
- register unsigned char* data = GetData();
-
- int index = 0;
- for (int y = 0; y < height; y++)
- {
-#if 0
- unsigned char lastr = 0 ;
- unsigned char lastg = 0 ;
- unsigned char lastb = 0 ;
- RGBColor lastcolor ;
-
- MoveTo( 0 , y ) ;
- for (int x = 0; x < width; x++)
- {
- unsigned char r = data[index++];
- unsigned char g = data[index++];
- unsigned char b = data[index++];
-
- if ( r != lastr || g != lastg || b != lastb )
- {
- lastcolor.red = ( lastr << 8 ) + lastr ;
- lastcolor.green = ( lastg << 8 ) + lastg ;
- lastcolor.blue = ( lastb << 8 ) + lastb ;
- RGBForeColor( &lastcolor ) ;
- LineTo( x , y ) ;
- lastr = r ;
- lastg = g ;
- lastb = b ;
- }
- } // for width
- lastcolor.red = ( lastr << 8 ) + lastr ;
- lastcolor.green = ( lastg << 8 ) + lastg ;
- lastcolor.blue = ( lastb << 8 ) + lastb ;
- RGBForeColor( &lastcolor ) ;
- LineTo( width - 1 , y ) ;
-#else
- for (int x = 0; x < width; x++)
- {
- unsigned char r = data[index++];
- unsigned char g = data[index++];
- unsigned char b = data[index++];
- RGBColor color ;
- color.red = ( r << 8 ) + r ;
- color.green = ( g << 8 ) + g ;
- color.blue = ( b << 8 ) + b ;
- SetCPixel( x , y , &color ) ;
- }
-#endif
- } // for height
-
- SetGWorld( origPort , origDevice ) ;
-
- return bitmap;
-
-}
-
-wxImage::wxImage( const wxBitmap &bitmap )
-{
- // check the bitmap
- if( !bitmap.Ok() )
- {
- wxFAIL_MSG( "invalid bitmap" );
- return;
- }
-
- // create an wxImage object
- int width = bitmap.GetWidth();
- int height = bitmap.GetHeight();
- Create( width, height );
- /*
- unsigned char *data = GetData();
- if( !data )
- {
- wxFAIL_MSG( "could not allocate data for image" );
- return;
- }
-
- // calc the number of bytes per scanline and padding in the DIB
- int bytePerLine = width*3;
- int sizeDWORD = sizeof( DWORD );
- div_t lineBoundary = div( bytePerLine, sizeDWORD );
- int padding = 0;
- if( lineBoundary.rem > 0 )
- {
- padding = sizeDWORD - lineBoundary.rem;
- bytePerLine += padding;
- }
-
- // create a DIB header
- int headersize = sizeof(BITMAPINFOHEADER);
- LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
- if( !lpDIBh )
- {
- wxFAIL_MSG( "could not allocate data for DIB header" );
- free( data );
- return;
- }
- // Fill in the DIB header
- lpDIBh->bmiHeader.biSize = headersize;
- lpDIBh->bmiHeader.biWidth = width;
- lpDIBh->bmiHeader.biHeight = -height;
- lpDIBh->bmiHeader.biSizeImage = bytePerLine * height;
- lpDIBh->bmiHeader.biPlanes = 1;
- lpDIBh->bmiHeader.biBitCount = 24;
- lpDIBh->bmiHeader.biCompression = BI_RGB;
- lpDIBh->bmiHeader.biClrUsed = 0;
- // These seem not really needed for our purpose here.
- lpDIBh->bmiHeader.biClrImportant = 0;
- lpDIBh->bmiHeader.biXPelsPerMeter = 0;
- lpDIBh->bmiHeader.biYPelsPerMeter = 0;
- // memory for DIB data
- unsigned char *lpBits;
- lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
- if( !lpBits )
- {
- wxFAIL_MSG( "could not allocate data for DIB" );
- free( data );
- free( lpDIBh );
- return;
- }
-
- // copy data from the device-dependent bitmap to the DIB
- HDC hdc = ::GetDC(NULL);
- HBITMAP hbitmap;
- hbitmap = (HBITMAP) bitmap.GetHBITMAP();
- ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-
- // copy DIB data into the wxImage object
- int i, j;
- unsigned char *ptdata = data;
- unsigned char *ptbits = lpBits;
- for( i=0; i<height; i++ )
- {
- for( j=0; j<width; j++ )
- {
- *(ptdata++) = *(ptbits+2);
- *(ptdata++) = *(ptbits+1);
- *(ptdata++) = *(ptbits );
- ptbits += 3;
- }
- ptbits += padding;
- }
-
- // similarly, set data according to the possible mask bitmap
- if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
- {
- hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
- // memory DC created, color set, data copied, and memory DC deleted
- HDC memdc = ::CreateCompatibleDC( hdc );
- ::SetTextColor( memdc, RGB( 0, 0, 0 ) );
- ::SetBkColor( memdc, RGB( 255, 255, 255 ) );
- ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
- ::DeleteDC( memdc );
- // background color set to RGB(16,16,16) in consistent with wxGTK
- unsigned char r=16, g=16, b=16;
- ptdata = data;
- ptbits = lpBits;
- for( i=0; i<height; i++ )
- {
- for( j=0; j<width; j++ )
- {
- if( *ptbits != 0 )
- ptdata += 3;
- else
- {
- *(ptdata++) = r;
- *(ptdata++) = g;
- *(ptdata++) = b;
- }
- ptbits += 3;
- }
- ptbits += padding;
- }
- SetMaskColour( r, g, b );
- SetMask( TRUE );
- }
- else
- {
- SetMask( FALSE );
- }
- // free allocated resources
- ::ReleaseDC(NULL, hdc);
- free(lpDIBh);
- free(lpBits);
- */
-}
-
-#endif
-
-//-----------------------------------------------------------------------------
-// GTK conversion routines
-//-----------------------------------------------------------------------------
-
-#ifdef __WXGTK__
-
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-
-#if (GTK_MINOR_VERSION > 0)
-#include <gdk/gdkrgb.h>
-#endif
-
-wxBitmap wxImage::ConvertToBitmap() const
-{
- wxBitmap bitmap;
-
- wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") );
-
- int width = GetWidth();
- int height = GetHeight();
-
- bitmap.SetHeight( height );
- bitmap.SetWidth( width );
-
- bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
-
- // Retrieve depth
-
- GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
- if (visual == NULL) visual = gdk_visual_get_system();
- int bpp = visual->depth;
-
- bitmap.SetDepth( bpp );
-
- if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
- if (bpp < 8) bpp = 8;
-
-#if (GTK_MINOR_VERSION > 0)
-
- if (!HasMask() && (bpp > 8))
- {
- static bool s_hasInitialized = FALSE;
-
- if (!s_hasInitialized)
- {
- gdk_rgb_init();
- s_hasInitialized = TRUE;
- }
-
- GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() );
-
- gdk_draw_rgb_image( bitmap.GetPixmap(),
- gc,
- 0, 0,
- width, height,
- GDK_RGB_DITHER_NONE,
- GetData(),
- width*3 );
-
- gdk_gc_unref( gc );
-
- return bitmap;
- }
-
-#endif
-
- // Create picture image
-
- GdkImage *data_image =
- gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
-
- // Create mask image
-
- GdkImage *mask_image = (GdkImage*) NULL;
-
- if (HasMask())
- {
- unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
-
- mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
-
- wxMask *mask = new wxMask();
- mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
-
- bitmap.SetMask( mask );
- }
-
- // Render
-
- enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
- byte_order b_o = RGB;
-
- if (bpp >= 24)
- {
- GdkVisual *visual = gdk_visual_get_system();
- if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
- else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
- else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
- else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
- else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
- else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
- }
-
- int r_mask = GetMaskRed();
- int g_mask = GetMaskGreen();
- int b_mask = GetMaskBlue();
-
- unsigned char* data = GetData();
-
- int index = 0;
- for (int y = 0; y < height; y++)
- {
- for (int x = 0; x < width; x++)
- {
- int r = data[index];
- index++;
- int g = data[index];
- index++;
- int b = data[index];
- index++;
-
- if (HasMask())
- {
- if ((r == r_mask) && (b == b_mask) && (g == g_mask))
- gdk_image_put_pixel( mask_image, x, y, 1 );
- else
- gdk_image_put_pixel( mask_image, x, y, 0 );
- }
-
- if (HasMask())
- {
- if ((r == r_mask) && (b == b_mask) && (g == g_mask))
- gdk_image_put_pixel( mask_image, x, y, 1 );
- else
- gdk_image_put_pixel( mask_image, x, y, 0 );
- }
-
- switch (bpp)
- {
- case 8:
- {
- int pixel = -1;
- if (wxTheApp->m_colorCube)
- {
- pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
- }
- else
- {
- GdkColormap *cmap = gtk_widget_get_default_colormap();
- GdkColor *colors = cmap->colors;
- int max = 3 * (65536);
-
- for (int i = 0; i < cmap->size; i++)
- {
- int rdiff = (r << 8) - colors[i].red;
- int gdiff = (g << 8) - colors[i].green;
- int bdiff = (b << 8) - colors[i].blue;
- int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
- if (sum < max) { pixel = i; max = sum; }
- }
- }
-
- gdk_image_put_pixel( data_image, x, y, pixel );
-
- break;
- }
- case 15:
- {
- guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
- gdk_image_put_pixel( data_image, x, y, pixel );
- break;
- }
- case 16:
- {
- guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
- gdk_image_put_pixel( data_image, x, y, pixel );
- break;
- }
- case 32:
- case 24:
- {
- guint32 pixel = 0;
- switch (b_o)
- {
- case RGB: pixel = (r << 16) | (g << 8) | b; break;
- case RBG: pixel = (r << 16) | (b << 8) | g; break;
- case BRG: pixel = (b << 16) | (r << 8) | g; break;
- case BGR: pixel = (b << 16) | (g << 8) | r; break;
- case GRB: pixel = (g << 16) | (r << 8) | b; break;
- case GBR: pixel = (g << 16) | (b << 8) | r; break;
- }
- gdk_image_put_pixel( data_image, x, y, pixel );
- }
- default: break;
- }
- } // for
- } // for
-
- // Blit picture
-
- GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );
-
- gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
-
- gdk_image_destroy( data_image );
- gdk_gc_unref( data_gc );
-
- // Blit mask
-
- if (HasMask())
- {
- GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
-
- gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
-
- gdk_image_destroy( mask_image );
- gdk_gc_unref( mask_gc );
- }
-
- return bitmap;
-}
-
-wxImage::wxImage( const wxBitmap &bitmap )
-{
- wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
-
- GdkImage *gdk_image = (GdkImage*) NULL;
- if (bitmap.GetPixmap())
- {
- gdk_image = gdk_image_get( bitmap.GetPixmap(),
- 0, 0,
- bitmap.GetWidth(), bitmap.GetHeight() );
- } else
- if (bitmap.GetBitmap())
- {
- gdk_image = gdk_image_get( bitmap.GetBitmap(),
- 0, 0,
- bitmap.GetWidth(), bitmap.GetHeight() );
- } else
- {
- wxFAIL_MSG( wxT("Ill-formed bitmap") );
- }
-
- wxCHECK_RET( gdk_image, wxT("couldn't create image") );
-
- Create( bitmap.GetWidth(), bitmap.GetHeight() );
- char unsigned *data = GetData();
-
- if (!data)
- {
- gdk_image_destroy( gdk_image );
- wxFAIL_MSG( wxT("couldn't create image") );
- return;
- }
-
- GdkImage *gdk_image_mask = (GdkImage*) NULL;
- if (bitmap.GetMask())
- {
- gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
- 0, 0,
- bitmap.GetWidth(), bitmap.GetHeight() );
-
- SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
- }
-
- GdkVisual *visual = (GdkVisual*) NULL;
- if (bitmap.GetPixmap())
- visual = gdk_window_get_visual( bitmap.GetPixmap() );
- else
- visual = gdk_window_get_visual( bitmap.GetBitmap() );
-
- if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
- int bpp = visual->depth;
- if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
-
- GdkColormap *cmap = gtk_widget_get_default_colormap();
-
- long pos = 0;
- for (int j = 0; j < bitmap.GetHeight(); j++)
- {
- for (int i = 0; i < bitmap.GetWidth(); i++)
- {
- wxInt32 pixel = gdk_image_get_pixel( gdk_image, i, j );
- if (bpp <= 8)
- {
- data[pos] = cmap->colors[pixel].red >> 8;
- data[pos+1] = cmap->colors[pixel].green >> 8;
- data[pos+2] = cmap->colors[pixel].blue >> 8;
- } else if (bpp == 15)
- {
-#if (wxBYTE_ORDER == wxBIG_ENDIAN)
- // ?
-#endif
- data[pos] = (pixel >> 7) & 0xf8;
- data[pos+1] = (pixel >> 2) & 0xf8;
- data[pos+2] = (pixel << 3) & 0xf8;
- } else if (bpp == 16)
- {
-#if (wxBYTE_ORDER == wxBIG_ENDIAN)
- // ?
-#endif
- data[pos] = (pixel >> 8) & 0xf8;
- data[pos+1] = (pixel >> 3) & 0xfc;
- data[pos+2] = (pixel << 3) & 0xf8;
- } else
- {
-#if (wxBYTE_ORDER == wxBIG_ENDIAN)
- data[pos] = (pixel) & 0xff; // Red
- data[pos+1] = (pixel >> 8) & 0xff; // Green
- data[pos+2] = (pixel >> 16) & 0xff; // Blue
-#else
- data[pos] = (pixel >> 16) & 0xff;
- data[pos+1] = (pixel >> 8) & 0xff;
- data[pos+2] = pixel & 0xff;
-#endif
- }
-
- if (gdk_image_mask)
- {
- int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
- if (mask_pixel == 0)
- {
- data[pos] = 16;
- data[pos+1] = 16;
- data[pos+2] = 16;
- }
- }
-
- pos += 3;
- }
- }
-
- gdk_image_destroy( gdk_image );
- if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
-}
-
-#endif
-
-//-----------------------------------------------------------------------------
-// Motif conversion routines
-//-----------------------------------------------------------------------------
-
-#ifdef __WXMOTIF__
-#ifdef __VMS__
-#pragma message disable nosimpint
-#endif
-#include <Xm/Xm.h>
-#ifdef __VMS__
-#pragma message enable nosimpint
-#endif
-#include "wx/utils.h"
-#include <math.h>
-
-wxBitmap wxImage::ConvertToBitmap() const
-{
- wxBitmap bitmap;
-
- wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") );
-
- int width = GetWidth();
- int height = GetHeight();
-
- bitmap.SetHeight( height );
- bitmap.SetWidth( width );
-
- Display *dpy = (Display*) wxGetDisplay();
- Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) );
- int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) );
-
- // Create image
-
- XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
- data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
-
- bitmap.Create( width, height, bpp );
-
- /*
- // Create mask
-
- GdkImage *mask_image = (GdkImage*) NULL;
-
- if (HasMask())
- {
- unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
-
- mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
-
- wxMask *mask = new wxMask();
- mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
-
- bitmap.SetMask( mask );
- }
- */
-
- // Retrieve depth info
-
- XVisualInfo vinfo_template;
- XVisualInfo *vi;
-
- vinfo_template.visual = vis;
- vinfo_template.visualid = XVisualIDFromVisual( vis );
- vinfo_template.depth = bpp;
- int nitem = 0;
-
- vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem );
-
- wxCHECK_MSG( vi, wxNullBitmap, wxT("no visual") );
-
- XFree( vi );
-
- if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15;
- if (bpp < 8) bpp = 8;
-
- // Render
-
- enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
- byte_order b_o = RGB;
-
- if (bpp >= 24)
- {
- if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB;
- else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB;
- else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG;
- else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR;
- else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB;
- else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR;
- }
-
- /*
- int r_mask = GetMaskRed();
- int g_mask = GetMaskGreen();
- int b_mask = GetMaskBlue();
- */
-
- XColor colors[256];
- if (bpp == 8)
- {
- Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy );
-
- for (int i = 0; i < 256; i++) colors[i].pixel = i;
- XQueryColors( dpy, cmap, colors, 256 );
- }
-
- unsigned char* data = GetData();
-
- int index = 0;
- for (int y = 0; y < height; y++)
- {
- for (int x = 0; x < width; x++)
- {
- int r = data[index];
- index++;
- int g = data[index];
- index++;
- int b = data[index];
- index++;
-
- /*
- if (HasMask())
- {
- if ((r == r_mask) && (b == b_mask) && (g == g_mask))
- gdk_image_put_pixel( mask_image, x, y, 1 );
- else
- gdk_image_put_pixel( mask_image, x, y, 0 );
- }
- */
-
- switch (bpp)
- {
- case 8:
- {
- int pixel = -1;
- /*
- if (wxTheApp->m_colorCube)
- {
- pixel = wxTheApp->m_colorCube
- [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
- }
- else
- {
- */
- int max = 3 * (65536);
- for (int i = 0; i < 256; i++)
- {
- int rdiff = (r << 8) - colors[i].red;
- int gdiff = (g << 8) - colors[i].green;
- int bdiff = (b << 8) - colors[i].blue;
- int sum = abs (rdiff) + abs (gdiff) + abs (bdiff);
- if (sum < max) { pixel = i; max = sum; }
- }
- /*
- }
- */
- XPutPixel( data_image, x, y, pixel );
- break;
- }
- case 15:
- {
- int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
- XPutPixel( data_image, x, y, pixel );
- break;
- }
- case 16:
- {
- int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
- XPutPixel( data_image, x, y, pixel );
- break;
- }
- case 32:
- case 24:
- {
- int pixel = 0;
- switch (b_o)
- {
- case RGB: pixel = (r << 16) | (g << 8) | b; break;
- case RBG: pixel = (r << 16) | (b << 8) | g; break;
- case BRG: pixel = (b << 16) | (r << 8) | g; break;
- case BGR: pixel = (b << 16) | (g << 8) | r; break;
- case GRB: pixel = (g << 16) | (r << 8) | b; break;
- case GBR: pixel = (g << 16) | (b << 8) | r; break;
- }
- XPutPixel( data_image, x, y, pixel );
- }
- default: break;
- }
- } // for
- } // for
-
- // Blit picture
-
- XGCValues gcvalues;
- gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) );
- GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues );
- XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height );
-
- XDestroyImage( data_image );
- XFreeGC( dpy, gc );
-
- /*
- // Blit mask
-
- if (HasMask())
- {
- GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
-
- gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
-
- gdk_image_destroy( mask_image );
- gdk_gc_unref( mask_gc );
- }
- */
-
- return bitmap;
-}
projects / wxWidgets.git / blobdiff