+
+bool wxJPEGHandler::SaveFile( wxImage *image, wxOutputStream& stream )
+{
+ struct jpeg_compress_struct cinfo;
+ struct jpeg_error_mgr jerr;
+ JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
+ JSAMPLE *image_buffer;
+ int stride; /* physical row width in image buffer */
+
+ cinfo.err = jpeg_std_error(&jerr);
+ jpeg_create_compress(&cinfo);
+ jpeg_wxio_dest(&cinfo, stream);
+
+ cinfo.image_width = image->GetWidth();
+ cinfo.image_height = image->GetHeight();
+ cinfo.input_components = 3;
+ cinfo.in_color_space = JCS_RGB;
+ jpeg_set_defaults(&cinfo);
+ jpeg_start_compress(&cinfo, TRUE);
+
+ stride = cinfo.image_width * 3; /* JSAMPLEs per row in image_buffer */
+ image_buffer = image->GetData();
+ while (cinfo.next_scanline < cinfo.image_height) {
+ row_pointer[0] = &image_buffer[cinfo.next_scanline * stride];
+ jpeg_write_scanlines( &cinfo, row_pointer, 1 );
+ }
+ jpeg_finish_compress(&cinfo);
+ jpeg_destroy_compress(&cinfo);
+
+ return TRUE;
+}
+#endif // wxUSE_STREAMS
+
+#endif
+
+// wxUSE_LIBJPEG
+
+
+
+//-----------------------------------------------------------------------------
+// wxBMPHandler
+//-----------------------------------------------------------------------------
+
+#if !USE_SHARED_LIBRARIES
+IMPLEMENT_DYNAMIC_CLASS(wxBMPHandler,wxImageHandler)
+#endif
+
+#if wxUSE_STREAMS
+bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream )
+{
+ unsigned char *data, *ptr;
+ int done, i, bpp, planes, comp, ncolors, line, column,
+ linesize, linepos, rshift = 0, gshift = 0, bshift = 0;
+ unsigned char aByte;
+ short int word;
+ long int dbuf[4], dword, rmask = 0, gmask = 0, bmask = 0, offset,
+ size;
+ off_t start_offset = stream.TellI();
+ signed char bbuf[4];
+ struct _cmap
+ {
+ unsigned char r, g, b;
+ }
+ *cmap = NULL;
+#ifndef BI_RGB
+#define BI_RGB 0
+#define BI_RLE8 1
+#define BI_RLE4 2
+#endif
+
+#ifndef BI_BITFIELDS
+#define BI_BITFIELDS 3
+#endif
+
+ image->Destroy();
+
+ done = 0;
+ /*
+ * Reading the bmp header
+ */
+
+ stream.Read(&bbuf, 2);
+
+ stream.Read(dbuf, 4 * 4);
+
+ size = dbuf[0];
+ offset = dbuf[2];
+
+ stream.Read(dbuf, 4 * 2);
+ int width = (int)dbuf[0];
+ int height = (int)dbuf[1];
+ if (width > 32767)
+ {
+ wxLogError( "Image width > 32767 pixels for file\n" );
+ return FALSE;
+ }
+ if (height > 32767)
+ {
+ wxLogError( "Image height > 32767 pixels for file\n" );
+ return FALSE;
+ }
+ stream.Read(&word, 2);
+ planes = (int)word;
+ stream.Read(&word, 2);
+ bpp = (int)word;
+ if (bpp != 1 && bpp != 4 && bpp != 8 && bpp && 16 && bpp != 24 && bpp != 32)
+ {
+ wxLogError( "unknown bitdepth in file\n" );
+ return FALSE;
+ }
+ stream.Read(dbuf, 4 * 4);
+ comp = (int)dbuf[0];
+ if (comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && comp != BI_BITFIELDS)
+ {
+ wxLogError( "unknown encoding in Windows BMP file\n" );
+ return FALSE;
+ }
+ stream.Read(dbuf, 4 * 2);
+ ncolors = (int)dbuf[0];
+ if (ncolors == 0)
+ ncolors = 1 << bpp;
+ /* some more sanity checks */
+ if (((comp == BI_RLE4) && (bpp != 4)) || ((comp == BI_RLE8) && (bpp != 8)) || ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32)))
+ {
+ wxLogError( "encoding of BMP doesn't match bitdepth\n" );
+ return FALSE;
+ }
+ if (bpp < 16)
+ {
+ cmap = (struct _cmap *)malloc(sizeof(struct _cmap) * ncolors);
+
+ if (!cmap)
+ {
+ wxLogError( "Cannot allocate RAM for color map in BMP file\n" );
+ return FALSE;
+ }
+ }
+ else
+ cmap = NULL;
+
+ image->Create( width, height );
+ ptr = image->GetData();
+ if (!ptr)
+ {
+ wxLogError( "Cannot allocate RAM for RGB data in file\n" );
+ if (cmap)
+ free(cmap);
+ return FALSE;
+ }
+
+ /*
+ * Reading the palette, if it exists.
+ */
+ if (bpp < 16 && ncolors != 0)
+ {
+ for (i = 0; i < ncolors; i++)
+ {
+ stream.Read(bbuf, 4);
+ cmap[i].b = bbuf[0];
+ cmap[i].g = bbuf[1];
+ cmap[i].r = bbuf[2];
+ }
+ }
+ else if (bpp == 16 || bpp == 32)
+ {
+ if (comp == BI_BITFIELDS)
+ {
+ int bit = 0;
+
+ stream.Read(dbuf, 4 * 3);
+ bmask = dbuf[0];
+ gmask = dbuf[1];
+ rmask = dbuf[2];
+ /* find shift amount.. ugly, but i can't think of a better way */
+ for (bit = 0; bit < bpp; bit++)
+ {
+ if (bmask & (1 << bit))
+ bshift = bit;
+ if (gmask & (1 << bit))
+ gshift = bit;
+ if (rmask & (1 << bit))
+ rshift = bit;
+ }
+ }
+ else if (bpp == 16)
+ {
+ rmask = 0x7C00;
+ gmask = 0x03E0;
+ bmask = 0x001F;
+ rshift = 10;
+ gshift = 5;
+ bshift = 0;
+ }
+ else if (bpp == 32)
+ {
+ rmask = 0x00FF0000;
+ gmask = 0x0000FF00;
+ bmask = 0x000000FF;
+ rshift = 16;
+ gshift = 8;
+ bshift = 0;
+ }
+ }
+
+ /*
+ * Reading the image data
+ */
+ stream.SeekI(start_offset + offset);
+ data = ptr;
+
+ /* set the whole image to the background color */
+ if (bpp < 16 && (comp == BI_RLE4 || comp == BI_RLE8))
+ {
+ for (i = 0; i < width * height; i++)
+ {
+ *ptr++ = cmap[0].r;
+ *ptr++ = cmap[0].g;
+ *ptr++ = cmap[0].b;
+ }
+ ptr = data;
+ }
+ line = 0;
+ column = 0;
+#define poffset (line * width * 3 + column * 3)
+
+ /*
+ * BMPs are stored upside down... hmmmmmmmmmm....
+ */
+
+ linesize = ((width * bpp + 31) / 32) * 4;
+ for (line = (height - 1); line >= 0; line--)
+ {
+ linepos = 0;
+ for (column = 0; column < width;)
+ {
+ if (bpp < 16)
+ {
+ int index;
+
+ linepos++;
+ aByte = stream.GetC();
+ if (bpp == 1)
+ {
+ int bit = 0;
+
+ for (bit = 0; bit < 8; bit++)
+ {
+ index = ((aByte & (0x80 >> bit)) ? 1 : 0);
+ ptr[poffset] = cmap[index].r;
+ ptr[poffset + 1] = cmap[index].g;
+ ptr[poffset + 2] = cmap[index].b;
+ column++;
+ }
+ }
+ else if (bpp == 4)
+ {
+ if (comp == BI_RLE4)
+ {
+ wxLogError( "can't deal with 4bit encoded yet.\n");
+ image->Destroy();
+ free(cmap);
+ return FALSE;
+ }
+ else
+ {
+ int nibble = 0;
+
+ for (nibble = 0; nibble < 2; nibble++)
+ {
+ index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4));
+ if (index >= 16)
+ index = 15;
+ ptr[poffset] = cmap[index].r;
+ ptr[poffset + 1] = cmap[index].g;
+ ptr[poffset + 2] = cmap[index].b;
+ column++;
+ }
+ }
+ }
+ else if (bpp == 8)
+ {
+ if (comp == BI_RLE8)
+ {
+ unsigned char first;
+
+ first = aByte;
+ aByte = stream.GetC();
+ if (first == 0)
+ {
+ if (aByte == 0)
+ {
+ /* column = width; */
+ }
+ else if (aByte == 1)
+ {
+ column = width;
+ line = -1;
+ }
+ else if (aByte == 2)
+ {
+ aByte = stream.GetC();
+ column += aByte;
+ linepos = column * bpp / 8;
+ aByte = stream.GetC();
+ line += aByte;
+ }
+ else
+ {
+ int absolute = aByte;
+
+ for (i = 0; i < absolute; i++)
+ {
+ linepos++;
+ aByte = stream.GetC();
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
+ column++;
+ }
+ if (absolute & 0x01)
+ aByte = stream.GetC();
+ }
+ }
+ else
+ {
+ for (i = 0; i < first; i++)
+ {
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
+ column++;
+ linepos++;
+ }
+ }
+ }
+ else
+ {
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
+ column++;
+ linepos += size;
+ }
+ }
+ }
+ else if (bpp == 24)
+ {
+ stream.Read(&bbuf, 3);
+ linepos += 3;
+ ptr[poffset] = (unsigned char)bbuf[2];
+ ptr[poffset + 1] = (unsigned char)bbuf[1];
+ ptr[poffset + 2] = (unsigned char)bbuf[0];
+ column++;
+ }
+ else if (bpp == 16)
+ {
+ unsigned char temp;
+
+ stream.Read(&word, 2);
+ linepos += 2;
+ temp = (word & rmask) >> rshift;
+ ptr[poffset] = temp;
+ temp = (word & gmask) >> gshift;
+ ptr[poffset + 1] = temp;
+ temp = (word & bmask) >> gshift;
+ ptr[poffset + 2] = temp;
+ column++;
+ }
+ else
+ {
+ unsigned char temp;
+
+ stream.Read(&dword, 4);
+ linepos += 4;
+ temp = (dword & rmask) >> rshift;
+ ptr[poffset] = temp;
+ temp = (dword & gmask) >> gshift;
+ ptr[poffset + 1] = temp;
+ temp = (dword & bmask) >> bshift;
+ ptr[poffset + 2] = temp;
+ column++;
+ }
+ }
+ while ((linepos < linesize) && (comp != 1) && (comp != 2))
+ {
+ stream.Read(&aByte, 1);
+ linepos += 1;
+ if (stream.LastError() != wxStream_NOERROR)
+ break;
+ }
+ }
+ if (cmap) free(cmap);
+
+ image->SetMask( FALSE );
+
+ return TRUE;
+}
+#endif // wxUSE_STREAMS
+
+#ifdef __WXMSW__
+
+wxBitmap wxImage::ConvertToBitmap() const
+{
+ // sizeLimit is the MS upper limit for the DIB size
+ int sizeLimit = 1024*768*3;
+
+ // 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 );
+ div_t lineBoundary = div( bytePerLine, sizeDWORD );
+ int padding = 0;
+ if( lineBoundary.rem > 0 )
+ {
+ padding = sizeDWORD - lineBoundary.rem;
+ 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
+ {
+ div_t result = div( bmpHeight, height );
+ numDIB = result.quot;
+ hRemain = result.rem;
+ if( hRemain >0 ) numDIB++;
+ }
+
+ // set bitmap parameters
+ wxBitmap bitmap;
+ wxCHECK_MSG( Ok(), bitmap, "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, "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( "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);
+
+ // check the wxBitmap object
+ if( bitmap.GetHBITMAP() )
+ bitmap.SetOk( TRUE );
+ else
+ bitmap.SetOk( FALSE );
+
+ 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
+
+#ifdef __WXGTK__
+
+#include "gtk/gtk.h"
+#include "gdk/gdk.h"
+#include "gdk/gdkx.h"
+
+wxBitmap wxImage::ConvertToBitmap() const
+{
+ wxBitmap bitmap;
+
+ wxCHECK_MSG( Ok(), bitmap, "invalid image" );
+
+ int width = GetWidth();
+ int height = GetHeight();
+
+ bitmap.SetHeight( height );
+ bitmap.SetWidth( width );
+
+ // Create picture
+
+ GdkImage *data_image =
+ gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
+
+ bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) );
+
+ // 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
+
+ GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
+ if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
projects / wxWidgets.git / blobdiff