+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_width;
+}
+
+int wxBitmap::GetDepth() const
+{
+ wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_bpp;
+}
+
+wxMask *wxBitmap::GetMask() const
+{
+ wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_mask;
+}
+
+void wxBitmap::SetMask( wxMask *mask )
+{
+ wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+
+ delete M_BMPDATA->m_mask;
+ M_BMPDATA->m_mask = mask;
+}
+
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+ *this = icon;
+ return Ok();
+}
+
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+ wxBitmap ret;
+
+ wxCHECK_MSG(Ok(), ret, wxT("invalid bitmap"));
+ wxCHECK_MSG(rect.x >= 0 && rect.y >= 0 &&
+ rect.x + rect.width <= M_BMPDATA->m_width &&
+ rect.y + rect.height <= M_BMPDATA->m_height,
+ ret, wxT("invalid bitmap region"));
+
+ if (HasPixbuf() || M_BMPDATA->m_bpp == 32)
+ {
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ gdk_pixbuf_get_has_alpha(GetPixbuf()),
+ 8, rect.width, rect.height);
+ ret.SetPixbuf(pixbuf, M_BMPDATA->m_bpp);
+ gdk_pixbuf_copy_area(GetPixbuf(),
+ rect.x, rect.y, rect.width, rect.height,
+ pixbuf, 0, 0);
+ }
+ else
+ {
+ ret.Create(rect.width, rect.height, M_BMPDATA->m_bpp);
+ GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+ gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+ g_object_unref (gc);
+ }
+ // make mask, unless there is already alpha
+ if (GetMask() && !HasAlpha())
+ {
+ wxMask *mask = new wxMask;
+ mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
+
+ GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+ gdk_draw_drawable(mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height);
+ g_object_unref (gc);
+
+ ret.SetMask( mask );
+ }
+
+ return ret;
+}
+
+bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+ // Try to save the bitmap via wxImage handlers:
+ wxImage image = ConvertToImage();
+ return image.Ok() && image.SaveFile(name, type);
+}
+
+bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
+{
+ UnRef();
+
+ if (type == wxBITMAP_TYPE_XPM)
+ {
+ GdkBitmap *mask = (GdkBitmap*) NULL;
+ SetPixmap(gdk_pixmap_create_from_xpm(wxGetRootWindow()->window, &mask, NULL, name.fn_str()));
+
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask;
+ M_BMPDATA->m_mask->m_bitmap = mask;
+ }
+ }
+ else // try if wxImage can load it
+ {
+ wxImage image;
+ if (image.LoadFile(name, type) && image.Ok())
+ CreateFromImage(image, -1);
+ }
+
+ return Ok();
+}
+
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
+{
+ wxCHECK_MSG(Ok(), NULL, wxT("invalid bitmap"));
+
+ return M_BMPDATA->m_palette;
+}
+
+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
+{
+ // TODO
+}
+#endif // wxUSE_PALETTE
projects / wxWidgets.git / blobdiff