gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
gdk_gc_set_fill( m_textGC, GDK_SOLID );
+
+ gdk_gc_set_colormap( m_textGC, m_cmap );
/* m_penGC */
m_pen.GetColour().CalcPixel( m_cmap );
xsrc = source->LogicalToDeviceX(xsrc);
ysrc = source->LogicalToDeviceY(ysrc);
- wxClientDC *srcDC = (wxClientDC*)source;
- wxMemoryDC *memDC = (wxMemoryDC*)source;
-
+ wxMemoryDC *memDC = wxDynamicCast(source, wxMemoryDC);
+ wxBitmap selected = source->GetSelectedBitmap();
+
bool use_bitmap_method = false;
bool is_mono = false;
ysrcMask = ysrc;
}
- if (srcDC->m_isMemDC)
+ if (memDC && !selected.Ok()) return false;
+
+ if (selected.Ok())
{
- if (!memDC->m_selected.Ok()) return false;
-
- is_mono = (memDC->m_selected.GetDepth() == 1);
+ is_mono = (selected.GetDepth() == 1);
// we use the "XCopyArea" way to copy a memory dc into
// a different window if the memory dc BOTH
// b) it is clipped
// c) is not 1-bit
- if (useMask && (memDC->m_selected.GetMask()))
+ if (useMask && (selected.GetMask()))
{
// we HAVE TO use the direct way for memory dcs
// that have mask since the XCopyArea doesn't know
use_bitmap_method = true;
}
else if ((xsrc == 0) && (ysrc == 0) &&
- (width == memDC->m_selected.GetWidth()) &&
- (height == memDC->m_selected.GetHeight()))
+ (width == selected.GetWidth()) &&
+ (height == selected.GetHeight()))
{
// we SHOULD use the direct way if all of the bitmap
// in the memory dc is copied in which case XCopyArea
if (use_bitmap_method)
{
// scale/translate bitmap size
- wxCoord bm_width = memDC->m_selected.GetWidth();
- wxCoord bm_height = memDC->m_selected.GetHeight();
+ wxCoord bm_width = selected.GetWidth();
+ wxCoord bm_height = selected.GetHeight();
// Get clip coords for the bitmap. If we don't
// use wxBitmap::Rescale(), which can clip the
wxCoord bm_hh = YLOG2DEVREL( bm_height );
// Scale bitmap if required
- wxBitmap use_bitmap = memDC->m_selected;
- if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh))
+ wxBitmap use_bitmap = selected;
+ if ((selected.GetWidth()!= bm_ww) || ( selected.GetHeight()!= bm_hh))
{
// This indicates that the blitting code below will get
// a clipped bitmap and therefore needs to move the origin
// accordingly
wxRegion tmp( xx,yy,ww,hh );
- tmp.Intersect( m_currentClippingRegion );
+ if (!m_currentClippingRegion.IsNull())
+ tmp.Intersect( m_currentClippingRegion );
tmp.GetBox(cx,cy,cw,ch);
// Scale and clipped bitmap
- use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
+ use_bitmap = selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh);
}
// apply mask if any
}
else // use_bitmap_method
{
- if ((width != ww) || (height != hh))
+ if (selected.Ok() && ((width != ww) || (height != hh)))
{
// get clip coords
wxRegion tmp( xx,yy,ww,hh );
tmp.GetBox(cx,cy,cw,ch);
// rescale bitmap
- wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
+ wxBitmap bitmap = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
// draw scaled bitmap
// was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
{
// No scaling and not a memory dc with a mask either
+ GdkWindow* window = source->GetGDKWindow();
+ if ( !window )
+ return false;
+
// copy including child window contents
gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
gdk_draw_drawable( m_window, m_penGC,
- srcDC->GetWindow(),
+ window,
xsrc, ysrc, xx, yy,
width, height );
gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
wxCHECK_RET( m_layout, wxT("no Pango layout") );
wxCHECK_RET( m_fontdesc, wxT("no Pango font description") );
+ gdk_pango_context_set_colormap( m_context, m_cmap );
+
bool underlined = m_font.Ok() && m_font.GetUnderlined();
const wxCharBuffer data = wxGTK_CONV( text );
}
// Reset old font description
- if (theFont)
+ if (theFont->IsOk())
pango_layout_set_font_description( m_layout, m_fontdesc );
}
+
+bool wxWindowDC::DoGetPartialTextExtents(const wxString& text,
+ wxArrayInt& widths) const
+{
+ const size_t len = text.length();
+ widths.Empty();
+ widths.Add(0, len);
+
+ if (text.empty())
+ return true;
+
+ // Set layout's text
+ const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font);
+ if ( !dataUTF8 )
+ {
+ // hardly ideal, but what else can we do if conversion failed?
+ wxLogLastError(wxT("DoGetPartialTextExtents"));
+ return false;
+ }
+
+ pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+
+ // Calculate the position of each character based on the widths of
+ // the previous characters
+
+ // Code borrowed from Scintilla's PlatGTK
+ PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
+ PangoRectangle pos;
+ pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
+ size_t i = 0;
+ while (pango_layout_iter_next_cluster(iter))
+ {
+ pango_layout_iter_get_cluster_extents(iter, NULL, &pos);
+ int position = PANGO_PIXELS(pos.x);
+ widths[i++] = position;
+ }
+ while (i < len)
+ widths[i++] = PANGO_PIXELS(pos.x + pos.width);
+ pango_layout_iter_free(iter);
+
+ return true;
+}
+
+
wxCoord wxWindowDC::GetCharWidth() const
{
pango_layout_set_text( m_layout, "H", 1 );
projects / wxWidgets.git / blobdiff