+void wxWindowDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
+{
+ // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why
+ DoDrawBitmap( (const wxBitmap&)icon, x, y, true );
+}
+
+void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
+ wxCoord x, wxCoord y,
+ bool useMask )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxCHECK_RET( bitmap.Ok(), wxT("invalid bitmap") );
+
+ bool is_mono = (bitmap.GetBitmap() != NULL);
+
+ // scale/translate size and position
+ int xx = XLOG2DEV(x);
+ int yy = YLOG2DEV(y);
+
+ int w = bitmap.GetWidth();
+ int h = bitmap.GetHeight();
+
+ CalcBoundingBox( x, y );
+ CalcBoundingBox( x + w, y + h );
+
+ if (!m_window) return;
+
+ int ww = XLOG2DEVREL(w);
+ int hh = YLOG2DEVREL(h);
+
+ // compare to current clipping region
+ if (!m_currentClippingRegion.IsNull())
+ {
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ if (tmp.IsEmpty())
+ return;
+ }
+
+ // scale bitmap if required
+ wxBitmap use_bitmap = bitmap;
+ if ((w != ww) || (h != hh))
+ use_bitmap = use_bitmap.Rescale( 0, 0, ww, hh, ww, hh );
+
+ // NB: We can't render pixbufs with GTK+ < 2.2, we need to use pixmaps code.
+ // Pixbufs-based bitmaps with alpha channel don't have a mask, so we
+ // have to call GetPixmap() here -- it converts the pixbuf into pixmap
+ // and also creates the mask as a side-effect:
+ use_bitmap.GetPixmap();
+
+ // apply mask if any
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ GdkBitmap *new_mask = (GdkBitmap*) NULL;
+
+ if (useMask && mask)
+ {
+ if (!m_currentClippingRegion.IsNull())
+ {
+ GdkColor col;
+ new_mask = gdk_pixmap_new( wxGetRootWindow()->window, ww, hh, 1 );
+ GdkGC *gc = gdk_gc_new( new_mask );
+ col.pixel = 0;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ col.pixel = 1;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_origin( gc, -xx, -yy );
+ gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+ gdk_gc_set_stipple( gc, mask );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, ww, hh );
+ gdk_gc_unref( gc );
+ }
+
+ if (is_mono)
+ {
+ if (new_mask)
+ gdk_gc_set_clip_mask( m_textGC, new_mask );
+ else
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ }
+ else
+ {
+ if (new_mask)
+ gdk_gc_set_clip_mask( m_penGC, new_mask );
+ else
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ }
+ }
+
+ // Draw XPixmap or XBitmap, depending on what the wxBitmap contains. For
+ // drawing a mono-bitmap (XBitmap) we use the current text GC
+ if (is_mono)
+ {
+ gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), 0, 0, xx, yy, -1, -1 );
+ }
+ else
+ {
+ gdk_draw_pixmap(m_window, m_penGC,
+ use_bitmap.GetPixmap(),
+ 0, 0, xx, yy, -1, -1);
+ }
+
+ // remove mask again if any
+ if (useMask && mask)
+ {
+ if (is_mono)
+ {
+ gdk_gc_set_clip_mask( m_textGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_textGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, (GdkBitmap *) NULL );
+ gdk_gc_set_clip_origin( m_penGC, 0, 0 );
+ if (!m_currentClippingRegion.IsNull())
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ }
+ }
+
+ if (new_mask)
+ gdk_bitmap_unref( new_mask );
+}
+
+bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
+ wxCoord width, wxCoord height,
+ wxDC *source,
+ wxCoord xsrc, wxCoord ysrc,
+ int logical_func,
+ bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask )
+{
+ wxCHECK_MSG( Ok(), false, wxT("invalid window dc") );
+
+ wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+ if (!m_window) return false;
+
+ // transform the source DC coords to the device ones
+ xsrc = source->XLOG2DEV(xsrc);
+ ysrc = source->YLOG2DEV(ysrc);
+
+ wxClientDC *srcDC = (wxClientDC*)source;
+ wxMemoryDC *memDC = (wxMemoryDC*)source;
+
+ bool use_bitmap_method = false;
+ bool is_mono = false;
+
+ if (xsrcMask == -1 && ysrcMask == -1)
+ {
+ xsrcMask = xsrc;
+ ysrcMask = ysrc;
+ }
+
+ if (srcDC->m_isMemDC)
+ {
+ if (!memDC->m_selected.Ok()) return false;
+
+ is_mono = (memDC->m_selected.GetDepth() == 1);
+
+ // we use the "XCopyArea" way to copy a memory dc into
+ // a different window if the memory dc BOTH
+ // a) doesn't have any mask or its mask isn't used
+ // b) it is clipped
+ // c) is not 1-bit
+
+ if (useMask && (memDC->m_selected.GetMask()))
+ {
+ // we HAVE TO use the direct way for memory dcs
+ // that have mask since the XCopyArea doesn't know
+ // about masks
+ use_bitmap_method = true;
+ }
+ else if (is_mono)
+ {
+ // we HAVE TO use the direct way for memory dcs
+ // that are bitmaps because XCopyArea doesn't cope
+ // with different bit depths
+ use_bitmap_method = true;
+ }
+ else if ((xsrc == 0) && (ysrc == 0) &&
+ (width == memDC->m_selected.GetWidth()) &&
+ (height == memDC->m_selected.GetHeight()))
+ {
+ // we SHOULD use the direct way if all of the bitmap
+ // in the memory dc is copied in which case XCopyArea
+ // wouldn't be able able to boost performace by reducing
+ // the area to be scaled
+ use_bitmap_method = true;
+ }
+ else
+ {
+ use_bitmap_method = false;
+ }
+ }
+
+ CalcBoundingBox( xdest, ydest );
+ CalcBoundingBox( xdest + width, ydest + height );
+
+ // scale/translate size and position
+ wxCoord xx = XLOG2DEV(xdest);
+ wxCoord yy = YLOG2DEV(ydest);
+
+ wxCoord ww = XLOG2DEVREL(width);
+ wxCoord hh = YLOG2DEVREL(height);
+
+ // compare to current clipping region
+ if (!m_currentClippingRegion.IsNull())
+ {
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ if (tmp.IsEmpty())
+ return true;
+ }
+
+ int old_logical_func = m_logicalFunction;
+ SetLogicalFunction( logical_func );
+
+ if (use_bitmap_method)
+ {
+ // scale/translate bitmap size
+ wxCoord bm_width = memDC->m_selected.GetWidth();
+ wxCoord bm_height = memDC->m_selected.GetHeight();
+
+ // Get clip coords for the bitmap. If we don't
+ // use wxBitmap::Rescale(), which can clip the
+ // bitmap, these are the same as the original
+ // coordinates
+ wxCoord cx = xx;
+ wxCoord cy = yy;
+ wxCoord cw = ww;
+ wxCoord ch = hh;
+
+ // interpret userscale of src too
+ double xsc,ysc;
+ memDC->GetUserScale(&xsc,&ysc);
+ bm_width = (int) (bm_width / xsc);
+ bm_height = (int) (bm_height / ysc);
+
+ wxCoord bm_ww = XLOG2DEVREL( bm_width );
+ wxCoord bm_hh = YLOG2DEVREL( bm_height );
+
+ // Scale bitmap if required
+ wxBitmap use_bitmap;
+ if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_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 );
+ 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);
+ }
+ else
+ {
+ // Don't scale bitmap
+ use_bitmap = memDC->m_selected;
+ }
+
+ // apply mask if any
+ GdkBitmap *mask = (GdkBitmap *) NULL;
+ if (use_bitmap.GetMask()) mask = use_bitmap.GetMask()->GetBitmap();
+
+ GdkBitmap *new_mask = (GdkBitmap*) NULL;
+
+ if (useMask && mask)
+ {
+ if (!m_currentClippingRegion.IsNull())
+ {
+ GdkColor col;
+ new_mask = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, 1 );
+ GdkGC *gc = gdk_gc_new( new_mask );
+ col.pixel = 0;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_ts_origin( gc, -xsrcMask, -ysrcMask);
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+ col.pixel = 0;
+ gdk_gc_set_background( gc, &col );
+ col.pixel = 1;
+ gdk_gc_set_foreground( gc, &col );
+ gdk_gc_set_clip_region( gc, m_currentClippingRegion.GetRegion() );
+ // was: gdk_gc_set_clip_origin( gc, -xx, -yy );
+ gdk_gc_set_clip_origin( gc, -cx, -cy );
+ gdk_gc_set_fill( gc, GDK_OPAQUE_STIPPLED );
+ gdk_gc_set_stipple( gc, mask );
+ gdk_draw_rectangle( new_mask, gc, TRUE, 0, 0, bm_ww, bm_hh );
+ gdk_gc_unref( gc );
+ }
+
+ if (is_mono)
+ {
+ if (new_mask)
+ {
+ gdk_gc_set_clip_mask( m_textGC, new_mask );
+ gdk_gc_set_clip_origin( m_textGC, cx, cy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ gdk_gc_set_clip_origin( m_textGC, cx-xsrcMask, cy-ysrcMask );
+ }
+ }
+ else
+ {
+ if (new_mask)
+ {
+ gdk_gc_set_clip_mask( m_penGC, new_mask );
+ gdk_gc_set_clip_origin( m_penGC, cx, cy );
+ }
+ else
+ {
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ gdk_gc_set_clip_origin( m_penGC, cx-xsrcMask, cy-ysrcMask );
+ }
+ }
+ }
projects / wxWidgets.git / blobdiff