+
+ 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())
+ *this = wxBitmap(image);
+ }
+
+ return Ok();
+}
+
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
+{
+ if (!Ok())
+ return (wxPalette *) NULL;
+
+ return M_BMPDATA->m_palette;
+}
+
+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
+{
+ // TODO
+}
+#endif // wxUSE_PALETTE
+
+void wxBitmap::SetHeight( int height )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ M_BMPDATA->m_height = height;
+}
+
+void wxBitmap::SetWidth( int width )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ M_BMPDATA->m_width = width;
+}
+
+void wxBitmap::SetDepth( int depth )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ M_BMPDATA->m_bpp = depth;
+}
+
+void wxBitmap::SetPixmap( GdkPixmap *pixmap )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ wxASSERT(M_BMPDATA->m_pixmap == NULL);
+ M_BMPDATA->m_pixmap = pixmap;
+ gdk_drawable_get_size(pixmap, &M_BMPDATA->m_width, &M_BMPDATA->m_height);
+ M_BMPDATA->m_bpp = gdk_drawable_get_depth(pixmap);
+ PurgeOtherRepresentations(Pixmap);
+}
+
+GdkPixmap *wxBitmap::GetPixmap() const
+{
+ wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
+
+ // create the pixmap on the fly if we use Pixbuf representation:
+ if (M_BMPDATA->m_pixmap == NULL)
+ {
+ delete M_BMPDATA->m_mask;
+ M_BMPDATA->m_mask = new wxMask;
+ gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
+ &M_BMPDATA->m_pixmap,
+ &M_BMPDATA->m_mask->m_bitmap,
+ 128 /*threshold*/);
+ }
+
+ return M_BMPDATA->m_pixmap;
+}
+
+bool wxBitmap::HasPixmap() const
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixmap != NULL;
+}
+
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+ if (M_BMPDATA->m_pixbuf == NULL)
+ {
+ int width = GetWidth();
+ int height = GetHeight();
+
+ // always create the alpha channel so raw bitmap access will work
+ // correctly
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ true, // GetMask() != NULL,
+ 8, width, height);
+ M_BMPDATA->m_pixbuf =
+ gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
+ 0, 0, 0, 0, width, height);
+
+ // apply the mask to created pixbuf:
+ if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
+ {
+ GdkPixbuf *pmask =
+ gdk_pixbuf_get_from_drawable(NULL,
+ M_BMPDATA->m_mask->GetBitmap(),
+ NULL,
+ 0, 0, 0, 0, width, height);
+ if (pmask)
+ {
+ guchar *bmp = gdk_pixbuf_get_pixels(pixbuf);
+ guchar *mask = gdk_pixbuf_get_pixels(pmask);
+ int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
+ int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width;
+
+ for (int y = 0; y < height;
+ y++, bmp += bmprowinc, mask += maskrowinc)
+ {
+ for (int x = 0; x < width; x++, bmp += 4, mask += 3)
+ {
+ if (mask[0] == 0 /*black pixel*/)
+ bmp[3] = 0;
+ }
+ }
+
+ g_object_unref (pmask);
+ }
+ }
+ }
+
+ return M_BMPDATA->m_pixbuf;
+}
+
+bool wxBitmap::HasPixbuf() const
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+ return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ wxASSERT(M_BMPDATA->m_pixbuf == NULL);
+ M_BMPDATA->m_pixbuf = pixbuf;
+ M_BMPDATA->m_width = gdk_pixbuf_get_width(pixbuf);
+ M_BMPDATA->m_height = gdk_pixbuf_get_height(pixbuf);
+ PurgeOtherRepresentations(Pixbuf);
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+ if (keep == Pixmap && HasPixbuf())
+ {
+ g_object_unref (M_BMPDATA->m_pixbuf);
+ M_BMPDATA->m_pixbuf = NULL;
+ }
+ if (keep == Pixbuf && HasPixmap())
+ {
+ g_object_unref (M_BMPDATA->m_pixmap);
+ M_BMPDATA->m_pixmap = NULL;
+ }
+}
+
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
+{
+ if (bpp != 32)
+ return NULL;
+
+ GdkPixbuf *pixbuf = GetPixbuf();
+ if (!pixbuf)
+ return NULL;
+
+ if (!gdk_pixbuf_get_has_alpha( pixbuf ))
+ return NULL;
+
+#if 0
+ if (gdk_pixbuf_get_has_alpha( pixbuf ))
+ wxPrintf( wxT("Has alpha, %d channels\n"), gdk_pixbuf_get_n_channels(pixbuf) );
+ else
+ wxPrintf( wxT("No alpha, %d channels.\n"), gdk_pixbuf_get_n_channels(pixbuf) );
projects / wxWidgets.git / blobdiff