+ if (M_BMPDATA->m_pixbuf == NULL)
+ {
+ int width = GetWidth();
+ int height = GetHeight();
+
+ GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+ GetMask() != NULL,
+ 8, width, height);
+ M_BMPDATA->m_pixbuf = 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, int depth)
+{
+ if (!m_refData)
+ m_refData = new wxBitmapRefData;
+
+ // AllocExclusive should not be needed for this internal function
+ wxASSERT(m_refData->GetRefCount() == 1);
+ 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);
+ // if depth specified
+ if (depth != 0)
+ M_BMPDATA->m_bpp = depth;
+ else if (M_BMPDATA->m_bpp == 0)
+ // use something reasonable
+ M_BMPDATA->m_bpp = wxTheApp->GetGdkVisual()->depth;
+ 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)
+{
+ void* bits = NULL;
+ GdkPixbuf *pixbuf = GetPixbuf();
+ const bool hasAlpha = HasAlpha();
+ // allow access if bpp is valid and matches existence of alpha
+ if (pixbuf != NULL && (
+ bpp == 24 && !hasAlpha ||
+ bpp == 32 && hasAlpha))
+ {
+ data.m_height = gdk_pixbuf_get_height( pixbuf );
+ data.m_width = gdk_pixbuf_get_width( pixbuf );
+ data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
+ bits = gdk_pixbuf_get_pixels(pixbuf);
+ }
+ return bits;
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
+{
+}
+
+bool wxBitmap::HasAlpha() const
+{
+ return m_refData != NULL && M_BMPDATA->m_pixbuf != NULL &&
+ gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf);
+}
+
+void wxBitmap::UseAlpha()
+{
+ GdkPixbuf* pixbuf = GetPixbuf();
+ // add alpha if necessary
+ if (!gdk_pixbuf_get_has_alpha(pixbuf))
+ {
+ M_BMPDATA->m_pixbuf = NULL;
+ AllocExclusive();
+ M_BMPDATA->m_pixbuf = gdk_pixbuf_add_alpha(pixbuf, false, 0, 0, 0);
+ g_object_unref(pixbuf);
+ }
+}
+
+wxObjectRefData* wxBitmap::CreateRefData() const
+{
+ return new wxBitmapRefData;
+}
+
+wxObjectRefData* wxBitmap::CloneRefData(const wxObjectRefData* data) const
+{
+ const wxBitmapRefData* oldRef = wx_static_cast(const wxBitmapRefData*, data);
+ wxBitmapRefData* newRef = new wxBitmapRefData;
+ newRef->m_width = oldRef->m_width;
+ newRef->m_height = oldRef->m_height;
+ newRef->m_bpp = oldRef->m_bpp;
+ if (oldRef->m_pixmap != NULL)
+ {
+ newRef->m_pixmap = gdk_pixmap_new(
+ oldRef->m_pixmap, oldRef->m_width, oldRef->m_height,
+ // use pixmap depth, m_bpp may not match
+ gdk_drawable_get_depth(oldRef->m_pixmap));
+ GdkGC* gc = gdk_gc_new(newRef->m_pixmap);
+ gdk_draw_drawable(
+ newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1);
+ g_object_unref(gc);
+ }
+ if (oldRef->m_pixbuf != NULL)
+ {
+ newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf);
+ }
+ if (oldRef->m_mask != NULL)
+ {
+ newRef->m_mask = new wxMask;
+ newRef->m_mask->m_bitmap = gdk_pixmap_new(
+ oldRef->m_mask->m_bitmap, oldRef->m_width, oldRef->m_height, 1);
+ GdkGC* gc = gdk_gc_new(newRef->m_mask->m_bitmap);
+ gdk_draw_drawable(newRef->m_mask->m_bitmap,
+ gc, oldRef->m_mask->m_bitmap, 0, 0, 0, 0, -1, -1);
+ g_object_unref(gc);
+ }
+#if wxUSE_PALETTE
+ // implement this if SetPalette is ever implemented
+ wxASSERT(oldRef->m_palette == NULL);
+#endif
+
+ return newRef;
+}
+
+//-----------------------------------------------------------------------------
+// wxBitmapHandler
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+ // TODO: Insert handler based on GdkPixbufs handler later
projects / wxWidgets.git / blobdiff