+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
+{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap, colour );
+}
+
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
+{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap, paletteIndex );
+}
+
+wxMask::wxMask( const wxBitmap& bitmap )
+{
+ m_bitmap = (GdkBitmap *) NULL;
+ Create( bitmap );
+}
+
+wxMask::~wxMask()
+{
+ if (m_bitmap)
+ gdk_bitmap_unref( m_bitmap );
+}
+
+bool wxMask::Create( const wxBitmap& bitmap,
+ const wxColour& colour )
+{
+ if (m_bitmap)
+ {
+ gdk_bitmap_unref( m_bitmap );
+ m_bitmap = (GdkBitmap*) NULL;
+ }
+
+ wxImage image = bitmap.ConvertToImage();
+ if (!image.Ok()) return false;
+
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
+ GdkGC *gc = gdk_gc_new( m_bitmap );
+
+ GdkColor color;
+ color.red = 65000;
+ color.green = 65000;
+ color.blue = 65000;
+ color.pixel = 1;
+ gdk_gc_set_foreground( gc, &color );
+ gdk_gc_set_fill( gc, GDK_SOLID );
+ gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
+
+ unsigned char *data = image.GetData();
+ int index = 0;
+
+ unsigned char red = colour.Red();
+ unsigned char green = colour.Green();
+ unsigned char blue = colour.Blue();
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ int bpp = visual->depth;
+ if ((bpp == 16) && (visual->red_mask != 0xf800))
+ bpp = 15;
+ if (bpp == 15)
+ {
+ red = red & 0xf8;
+ green = green & 0xf8;
+ blue = blue & 0xf8;
+ }
+ else if (bpp == 16)
+ {
+ red = red & 0xf8;
+ green = green & 0xfc;
+ blue = blue & 0xf8;
+ }
+ else if (bpp == 12)
+ {
+ red = red & 0xf0;
+ green = green & 0xf0;
+ blue = blue & 0xf0;
+ }
+
+ color.red = 0;
+ color.green = 0;
+ color.blue = 0;
+ color.pixel = 0;
+ gdk_gc_set_foreground( gc, &color );
+
+ for (int j = 0; j < image.GetHeight(); j++)
+ {
+ int start_x = -1;
+ int i;
+ for (i = 0; i < image.GetWidth(); i++)
+ {
+ if ((data[index] == red) &&
+ (data[index+1] == green) &&
+ (data[index+2] == blue))
+ {
+ if (start_x == -1)
+ start_x = i;
+ }
+ else
+ {
+ if (start_x != -1)
+ {
+ gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
+ start_x = -1;
+ }
+ }
+ index += 3;
+ }
+ if (start_x != -1)
+ gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
+ }
+
+ gdk_gc_unref( gc );
+
+ return true;
+}
+
+bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
+{
+ unsigned char r,g,b;
+ wxPalette *pal = bitmap.GetPalette();
+
+ wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") );
+
+ pal->GetRGB(paletteIndex, &r, &g, &b);
+
+ return Create(bitmap, wxColour(r, g, b));
+}
+
+bool wxMask::Create( const wxBitmap& bitmap )
+{
+ if (m_bitmap)
+ {
+ gdk_bitmap_unref( m_bitmap );
+ m_bitmap = (GdkBitmap*) NULL;
+ }
+
+ if (!bitmap.Ok()) return false;
+
+ wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") );
+
+ m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+ if (!m_bitmap) return false;
+
+ GdkGC *gc = gdk_gc_new( m_bitmap );
+
+ gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
+
+ gdk_gc_unref( gc );
+
+ return true;
+}
+
+GdkBitmap *wxMask::GetBitmap() const
+{
+ return m_bitmap;
+}
+
+//-----------------------------------------------------------------------------
+// wxBitmap
+//-----------------------------------------------------------------------------
+
+class wxBitmapRefData: public wxObjectRefData
+{
+public:
+ wxBitmapRefData();
+ ~wxBitmapRefData();
+
+ GdkPixmap *m_pixmap;
+ GdkBitmap *m_bitmap;
+#ifdef __WXGTK20__
+ GdkPixbuf *m_pixbuf;
+#endif
+ wxMask *m_mask;
+ int m_width;
+ int m_height;
+ int m_bpp;
+ wxPalette *m_palette;
+};
+
+wxBitmapRefData::wxBitmapRefData()
+{
+ m_pixmap = (GdkPixmap *) NULL;
+ m_bitmap = (GdkBitmap *) NULL;
+#ifdef __WXGTK20__
+ m_pixbuf = (GdkPixbuf *) NULL;
+#endif
+ m_mask = (wxMask *) NULL;
+ m_width = 0;
+ m_height = 0;
+ m_bpp = 0;
+ m_palette = (wxPalette *) NULL;
+}
+
+wxBitmapRefData::~wxBitmapRefData()
+{
+ if (m_pixmap)
+ gdk_pixmap_unref( m_pixmap );
+ if (m_bitmap)
+ gdk_bitmap_unref( m_bitmap );
+#ifdef __WXGTK20__
+ if (m_pixbuf)
+ gdk_pixbuf_unref( m_pixbuf );
+#endif
+ delete m_mask;
+ delete m_palette;
+}
+
+//-----------------------------------------------------------------------------
+
+#define M_BMPDATA ((wxBitmapRefData *)m_refData)
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
+
+wxBitmap::wxBitmap()
+{
+}
+
+wxBitmap::wxBitmap( int width, int height, int depth )
+{
+ Create( width, height, depth );
+}
+
+bool wxBitmap::Create( int width, int height, int depth )
+{
+ UnRef();
+
+ if ( width <= 0 || height <= 0 )
+ {
+ return false;
+ }
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ if (depth == -1)
+ depth = visual->depth;
+
+ wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), false,
+ wxT("invalid bitmap depth") )
+
+ m_refData = new wxBitmapRefData();
+ M_BMPDATA->m_mask = (wxMask *) NULL;
+ M_BMPDATA->m_width = width;
+ M_BMPDATA->m_height = height;
+ if (depth == 1)
+ {
+ M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+ M_BMPDATA->m_bpp = 1;
+ }
+#ifdef __WXGTK20__
+ else if (depth == 32)
+ {
+ M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true,
+ 8, width, height);
+ M_BMPDATA->m_bpp = 32;
+ }
+#endif
+ else
+ {
+ M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
+ M_BMPDATA->m_bpp = visual->depth;
+ }
+
+ return Ok();
+}
+
+bool wxBitmap::CreateFromXpm( const char **bits )
+{
+ UnRef();
+
+ wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") )
+
+ GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+ m_refData = new wxBitmapRefData();
+
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+
+ M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
+
+ wxCHECK_MSG( M_BMPDATA->m_pixmap, false, wxT("couldn't create pixmap") );
+
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask();
+ M_BMPDATA->m_mask->m_bitmap = mask;
+ }
+
+ gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
+
+ M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
+
+ return true;
+}
+
+wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy )
+{
+ wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") );
+
+ if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
+ return *this;
+
+ int width = wxMax(newx, 1);
+ int height = wxMax(newy, 1);
+ width = wxMin(width, clipwidth);
+ height = wxMin(height, clipheight);
+
+ wxBitmap bmp;
+
+#ifdef __WXGTK20__
+ if (HasPixbuf())
+ {
+ bmp.SetWidth(width);
+ bmp.SetHeight(height);
+ bmp.SetDepth(GetDepth());
+ bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ gdk_pixbuf_get_has_alpha(GetPixbuf()),
+ 8, width, height));
+ gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(),
+ 0, 0, width, height,
+ clipx, clipy,
+ (double)newx/GetWidth(), (double)newy/GetHeight(),
+ GDK_INTERP_BILINEAR);
+ }
+ else
+#endif // __WXGTK20__
+ {
+ GdkImage *img = (GdkImage*) NULL;
+ if (GetPixmap())
+ img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
+ else if (GetBitmap())
+ img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+ else
+ wxFAIL_MSG( wxT("Ill-formed bitmap") );
+
+ wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
+
+ int bpp = -1;
+
+
+ GdkGC *gc = NULL;
+ GdkPixmap *dstpix = NULL;
+ if (GetPixmap())
+ {
+ GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+ if (visual == NULL)
+ visual = wxTheApp->GetGdkVisual();
+
+ bpp = visual->depth;
+ bmp = wxBitmap(width,height,bpp);
+ dstpix = bmp.GetPixmap();
+ gc = gdk_gc_new( dstpix );
+ }
+
+ char *dst = NULL;
+ long dstbyteperline = 0;
+
+ if (GetBitmap())
+ {
+ bpp = 1;
+ dstbyteperline = width/8*M_BMPDATA->m_bpp;
+ if (width*M_BMPDATA->m_bpp % 8 != 0)
+ dstbyteperline++;
+ dst = (char*) malloc(dstbyteperline*height);
+ }
+
+ // be careful to use the right scaling factor
+ float scx = (float)M_BMPDATA->m_width/(float)newx;
+ float scy = (float)M_BMPDATA->m_height/(float)newy;
+ // prepare accel-tables
+ int *tablex = (int *)calloc(width,sizeof(int));
+ int *tabley = (int *)calloc(height,sizeof(int));
+
+ // accel table filled with clipped values
+ for (int x = 0; x < width; x++)
+ tablex[x] = (int) (scx * (x+clipx));
+ for (int y = 0; y < height; y++)
+ tabley[y] = (int) (scy * (y+clipy));
+
+ // Main rescaling routine starts here
+ for (int h = 0; h < height; h++)
+ {
+ char outbyte = 0;
+ int old_x = -1;
+ guint32 old_pixval = 0;
+
+ for (int w = 0; w < width; w++)
+ {
+ guint32 pixval;
+ int x = tablex[w];
+ if (x == old_x)
+ pixval = old_pixval;
+ else
+ {
+ pixval = gdk_image_get_pixel( img, x, tabley[h] );
+ old_pixval = pixval;
+ old_x = x;
+ }
+
+ if (bpp == 1)
+ {
+ if (!pixval)
+ {
+ char bit=1;
+ char shift = bit << (w % 8);
+ outbyte |= shift;
+ }
+
+ if ((w+1)%8==0)
+ {
+ dst[h*dstbyteperline+w/8] = outbyte;
+ outbyte = 0;
+ }
+ }
+ else
+ {
+ GdkColor col;
+ col.pixel = pixval;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_draw_point( dstpix, gc, w, h);
+ }
+ }
+
+ // do not forget the last byte
+ if ((bpp == 1) && (width % 8 != 0))
+ dst[h*dstbyteperline+width/8] = outbyte;
+ }
+
+ gdk_image_destroy( img );
+ if (gc) gdk_gc_unref( gc );
+
+ if (bpp == 1)
+ {
+ bmp = wxBitmap( (const char *)dst, width, height, 1 );
+ free( dst );
+ }
+
+ if (GetMask())
+ {
+ dstbyteperline = width/8;
+ if (width % 8 != 0)
+ dstbyteperline++;
+ dst = (char*) malloc(dstbyteperline*height);
+ img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+
+ for (int h = 0; h < height; h++)
+ {
+ char outbyte = 0;
+ int old_x = -1;
+ guint32 old_pixval = 0;
+
+ for (int w = 0; w < width; w++)
+ {
+ guint32 pixval;
+ int x = tablex[w];
+ if (x == old_x)
+ pixval = old_pixval;
+ else
+ {
+ pixval = gdk_image_get_pixel( img, x, tabley[h] );
+ old_pixval = pixval;
+ old_x = x;
+ }
+
+ if (pixval)
+ {
+ char bit=1;
+ char shift = bit << (w % 8);
+ outbyte |= shift;
+ }
+
+ if ((w+1)%8 == 0)
+ {
+ dst[h*dstbyteperline+w/8] = outbyte;
+ outbyte = 0;
+ }
+ }
+
+ // do not forget the last byte
+ if (width % 8 != 0)
+ dst[h*dstbyteperline+width/8] = outbyte;
+ }
+ wxMask* mask = new wxMask;
+ mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
+ bmp.SetMask(mask);
+
+ free( dst );
+ gdk_image_destroy( img );
+ }
+
+ free( tablex );
+ free( tabley );
+ }
+
+ return bmp;
+}
+
+bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
projects / wxWidgets.git / blobdiff