+ if (isScaled)
+ {
+ if (pixbuf)
+ pixbuf = Scale(pixbuf, ww, hh, m_scaleX, m_scaleY);
+ else
+ pixbuf = Scale(pixmap, 0, 0, w, h, ww, hh, m_scaleX, m_scaleY);
+
+ pixbuf_new = pixbuf;
+ }
+
+ if (pixbuf)
+ {
+ gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+ 0, 0, xx, yy, ww, hh, GDK_RGB_DITHER_NORMAL, 0, 0);
+ }
+ else
+ {
+ gdk_draw_drawable(m_gdkwindow, use_gc, pixmap, 0, 0, xx, yy, ww, hh);
+ }
+
+ if (pixbuf_new)
+ g_object_unref(pixbuf_new);
+ if (pixmap_new)
+ g_object_unref(pixmap_new);
+ if (mask)
+ {
+ gdk_gc_set_clip_region(use_gc, clipRegion);
+
+ // Notice that we can only release the mask now, we can't do it before
+ // the calls to gdk_draw_xxx() above as they crash with X error with
+ // GTK+ up to 2.20.1 (i.e. it works with 2.20 but is known to not work
+ // with 2.16.1 and below).
+ if (mask_new)
+ g_object_unref(mask_new);
+ }
+}
+
+bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
+ wxCoord width, wxCoord height,
+ wxDC *source,
+ wxCoord xsrc, wxCoord ysrc,
+ wxRasterOperationMode logical_func,
+ bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask )
+{
+ wxCHECK_MSG( IsOk(), false, wxT("invalid window dc") );
+ wxCHECK_MSG( source, false, wxT("invalid source dc") );
+
+ if (!m_gdkwindow) return false;
+
+ GdkDrawable* srcDrawable = NULL;
+ GdkPixmap* mask = NULL;
+ wxMemoryDC* memDC = wxDynamicCast(source, wxMemoryDC);
+ if (memDC)
+ {
+ const wxBitmap& bitmap = memDC->GetSelectedBitmap();
+ if (!bitmap.IsOk())
+ return false;
+ srcDrawable = bitmap.GetPixmap();
+ if (useMask)
+ {
+ wxMask* m = bitmap.GetMask();
+ if (m)
+ mask = *m;
+ }
+ }
+ else
+ {
+ wxDCImpl* impl = source->GetImpl();
+ wxWindowDCImpl* gtk_impl = wxDynamicCast(impl, wxWindowDCImpl);
+ if (gtk_impl)
+ srcDrawable = gtk_impl->GetGDKWindow();
+ if (srcDrawable == NULL)
+ return false;
+ }
+
+ CalcBoundingBox(xdest, ydest);
+ CalcBoundingBox(xdest + width, ydest + height);
+
+ // source device coords
+ int src_x = source->LogicalToDeviceX(xsrc);
+ int src_y = source->LogicalToDeviceY(ysrc);
+ int src_w = source->LogicalToDeviceXRel(width);
+ int src_h = source->LogicalToDeviceYRel(height);
+
+ // Clip source rect to source dc.
+ // Only necessary when scaling, to avoid GDK errors when
+ // converting to pixbuf, but no harm in always doing it.
+ // If source rect changes, it also changes the dest rect.
+ wxRect clip;
+ gdk_drawable_get_size(srcDrawable, &clip.width, &clip.height);
+ clip.Intersect(wxRect(src_x, src_y, src_w, src_h));
+ if (src_w != clip.width || src_h != clip.height)
+ {
+ if (clip.width == 0)
+ return true;
+
+ src_w = clip.width;
+ src_h = clip.height;
+ width = source->DeviceToLogicalXRel(src_w);
+ height = source->DeviceToLogicalYRel(src_h);
+ if (src_x != clip.x || src_y != clip.y)
+ {
+ xdest += source->DeviceToLogicalXRel(clip.x - src_x);
+ ydest += source->DeviceToLogicalYRel(clip.y - src_y);
+ src_x = clip.x;
+ src_y = clip.y;
+ }
+ }
+
+ // destination device coords
+ const int dst_x = LogicalToDeviceX(xdest);
+ const int dst_y = LogicalToDeviceY(ydest);
+ const int dst_w = LogicalToDeviceXRel(width);
+ const int dst_h = LogicalToDeviceYRel(height);
+
+ GdkRegion* const clipRegion = m_currentClippingRegion.GetRegion();
+ // determine dest clip region overlap
+ int overlap = wxInRegion;
+ if (clipRegion)
+ {
+ overlap = m_currentClippingRegion.Contains(dst_x, dst_y, dst_w, dst_h);
+ if (overlap == wxOutRegion)
+ return true;
+ }
+
+ const bool isScaled = src_w != dst_w || src_h != dst_h;
+ double scale_x = 0;
+ double scale_y = 0;
+ if (isScaled)
+ {
+ // get source to dest scale
+ double usx, usy, lsx, lsy;
+ source->GetUserScale(&usx, &usy);
+ source->GetLogicalScale(&lsx, &lsy);
+ scale_x = m_scaleX / (usx * lsx);
+ scale_y = m_scaleY / (usy * lsy);
+ }
+
+ GdkGC* const use_gc = m_penGC;
+
+ if (mask)
+ {
+ int srcMask_x = src_x;
+ int srcMask_y = src_y;
+ if (xsrcMask != -1 || ysrcMask != -1)
+ {
+ srcMask_x = source->LogicalToDeviceX(xsrcMask);
+ srcMask_y = source->LogicalToDeviceY(ysrcMask);
+ }
+ GdkPixmap* mask_new = NULL;
+ if (isScaled)
+ {
+ mask = ScaleMask(mask, srcMask_x, srcMask_y,
+ src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+ mask_new = mask;
+ srcMask_x = 0;
+ srcMask_y = 0;
+ }
+ if (overlap == wxPartRegion)
+ {
+ // need a new mask that also masks the clipped area,
+ // because gc can't have both a mask and a clip region
+ mask = ClipMask(mask, clipRegion,
+ srcMask_x, srcMask_y, dst_x, dst_y, dst_w, dst_h);
+ if (mask_new)
+ g_object_unref(mask_new);
+ mask_new = mask;
+ srcMask_x = 0;
+ srcMask_y = 0;
+ }
+ gdk_gc_set_clip_mask(use_gc, mask);
+ gdk_gc_set_clip_origin(use_gc, dst_x - srcMask_x, dst_y - srcMask_y);
+ if (mask_new)
+ g_object_unref(mask_new);
+ }
+
+ GdkPixmap* pixmap = NULL;
+ if (gdk_drawable_get_depth(srcDrawable) == 1 &&
+ (gdk_drawable_get_depth(m_gdkwindow) != 1 || isScaled))
+ {
+ // Convert mono pixmap to color using text fg/bg colors.
+ // Scaling/drawing is simpler if this is done first.
+ pixmap = MonoToColor(srcDrawable, src_x, src_y, src_w, src_h);
+ srcDrawable = pixmap;
+ src_x = 0;
+ src_y = 0;
+ }
+
+ const wxRasterOperationMode logical_func_save = m_logicalFunction;
+ SetLogicalFunction(logical_func);
+ if (memDC == NULL)
+ gdk_gc_set_subwindow(use_gc, GDK_INCLUDE_INFERIORS);
+
+ if (isScaled)
+ {
+ GdkPixbuf* pixbuf = Scale(srcDrawable,
+ src_x, src_y, src_w, src_h, dst_w, dst_h, scale_x, scale_y);
+ gdk_draw_pixbuf(m_gdkwindow, use_gc, pixbuf,
+ 0, 0, dst_x, dst_y, dst_w, dst_h, GDK_RGB_DITHER_NONE, 0, 0);
+ g_object_unref(pixbuf);
+ }
+ else
+ {
+ gdk_draw_drawable(m_gdkwindow, use_gc, srcDrawable,
+ src_x, src_y, dst_x, dst_y, dst_w, dst_h);
+ }
+
+ SetLogicalFunction(logical_func_save);
+ if (memDC == NULL)
+ gdk_gc_set_subwindow(use_gc, GDK_CLIP_BY_CHILDREN);
+
+ if (pixmap)
+ g_object_unref(pixmap);
+ if (mask)
+ gdk_gc_set_clip_region(use_gc, clipRegion);
+
+ return true;
+}
+
+void wxWindowDCImpl::DoDrawText(const wxString& text,
+ wxCoord xLogical,
+ wxCoord yLogical)
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_gdkwindow) return;
+
+ if (text.empty()) return;
+
+ wxCoord x = XLOG2DEV(xLogical),
+ y = YLOG2DEV(yLogical);
+
+ wxCHECK_RET( m_context, wxT("no Pango context") );
+ 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 ); // not needed in gtk+ >= 2.6
+
+ wxCharBuffer data = wxGTK_CONV(text);
+ if ( !data )
+ return;
+
+ pango_layout_set_text(m_layout, data, data.length());
+ const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
+
+ int oldSize = 0;
+ const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+ if (isScaled)
+ {
+ // If there is a user or actually any scale applied to
+ // the device context, scale the font.
+
+ // scale font description
+ oldSize = pango_font_description_get_size(m_fontdesc);
+ pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
+
+ // actually apply scaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+
+ int w, h;
+ pango_layout_get_pixel_size(m_layout, &w, &h);
+
+ // Draw layout.
+ int x_rtl = x;
+ if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+ x_rtl -= w;
+
+ const GdkColor* bg_col = NULL;
+ if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+ bg_col = m_textBackgroundColour.GetColor();
+
+ gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x_rtl, y, m_layout, NULL, bg_col);
+
+ if (isScaled)
+ {
+ // reset unscaled size
+ pango_font_description_set_size( m_fontdesc, oldSize );
+
+ // actually apply unscaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+ if (setAttrs)
+ {
+ // undo underline attributes setting:
+ pango_layout_set_attributes(m_layout, NULL);
+ }
+
+ CalcBoundingBox(xLogical + int(w / m_scaleX), yLogical + int(h / m_scaleY));
+ CalcBoundingBox(xLogical, yLogical);
+}
+
+// TODO: When GTK2.6 is required, merge DoDrawText and DoDrawRotatedText to
+// avoid code duplication
+void wxWindowDCImpl::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
+{
+ if (!m_gdkwindow || text.empty())
+ return;
+
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+ pango_layout_set_text(m_layout, wxGTK_CONV(text), -1);
+ const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
+ int oldSize = 0;
+ const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+ if (isScaled)
+ {
+ //TODO: when Pango >= 1.6 is required, use pango_matrix_scale()
+ // If there is a user or actually any scale applied to
+ // the device context, scale the font.
+
+ // scale font description
+ oldSize = pango_font_description_get_size(m_fontdesc);
+ pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
+
+ // actually apply scaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+
+ int w, h;
+ pango_layout_get_pixel_size(m_layout, &w, &h);
+
+ const GdkColor* bg_col = NULL;
+ if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+ bg_col = m_textBackgroundColour.GetColor();
+
+ // rotate the text
+ PangoMatrix matrix = PANGO_MATRIX_INIT;
+ pango_matrix_rotate (&matrix, angle);
+ pango_context_set_matrix (m_context, &matrix);
+ pango_layout_context_changed (m_layout);
+
+ // To be compatible with MSW, the rotation axis must be in the old
+ // top-left corner.
+ // Calculate the vertices of the rotated rectangle containing the text,
+ // relative to the old top-left vertex.
+ // We could use the matrix for this, but it's simpler with trignonometry.
+ double rad = DegToRad(angle);
+ // the rectangle vertices are counted clockwise with the first one
+ // being at (0, 0)
+ double x2 = w * cos(rad);
+ double y2 = -w * sin(rad); // y axis points to the bottom, hence minus
+ double x4 = h * sin(rad);
+ double y4 = h * cos(rad);
+ double x3 = x4 + x2;
+ double y3 = y4 + y2;
+ // Then we calculate max and min of the rotated rectangle.
+ wxCoord maxX = (wxCoord)(dmax(dmax(0, x2), dmax(x3, x4)) + 0.5),
+ maxY = (wxCoord)(dmax(dmax(0, y2), dmax(y3, y4)) + 0.5),
+ minX = (wxCoord)(dmin(dmin(0, x2), dmin(x3, x4)) - 0.5),
+ minY = (wxCoord)(dmin(dmin(0, y2), dmin(y3, y4)) - 0.5);
+
+ gdk_draw_layout_with_colors(m_gdkwindow, m_textGC, x+minX, y+minY,
+ m_layout, NULL, bg_col);
+
+ if (setAttrs)
+ pango_layout_set_attributes(m_layout, NULL);
+
+ // clean up the transformation matrix
+ pango_context_set_matrix(m_context, NULL);
+
+ if (isScaled)
+ {
+ // reset unscaled size
+ pango_font_description_set_size( m_fontdesc, oldSize );
+
+ // actually apply unscaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+
+ CalcBoundingBox(x+minX, y+minY);
+ CalcBoundingBox(x+maxX, y+maxY);
+}
+
+void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
+ wxCoord *width, wxCoord *height,
+ wxCoord *descent, wxCoord *externalLeading,
+ const wxFont *theFont) const
+{
+ // ensure we work with a valid font
+ const wxFont *fontToUse;
+ if ( !theFont || !theFont->IsOk() )
+ fontToUse = &m_font;
+ else
+ fontToUse = theFont;
+
+ wxCHECK_RET( fontToUse->IsOk(), wxT("invalid font") );
+
+ wxTextMeasure txm(GetOwner(), fontToUse);
+ txm.GetTextExtent(string, width, height, descent, externalLeading);
+}
+
+
+bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text,
+ wxArrayInt& widths) const
+{
+ wxCHECK_MSG( m_font.IsOk(), false, wxT("Invalid font") );
+
+ wxTextMeasure txm(GetOwner(), &m_font);
+ return txm.GetPartialTextExtents(text, widths, m_scaleX);
+}
+
+
+wxCoord wxWindowDCImpl::GetCharWidth() const
+{
+ pango_layout_set_text( m_layout, "H", 1 );
+ int w;
+ pango_layout_get_pixel_size( m_layout, &w, NULL );
+ return w;
+}
+
+wxCoord wxWindowDCImpl::GetCharHeight() const
+{
+ PangoFontMetrics *metrics = pango_context_get_metrics (m_context, m_fontdesc, pango_context_get_language(m_context));
+ wxCHECK_MSG( metrics, -1, wxT("failed to get pango font metrics") );
+
+ wxCoord h = PANGO_PIXELS (pango_font_metrics_get_descent (metrics) +
+ pango_font_metrics_get_ascent (metrics));
+ pango_font_metrics_unref (metrics);
+ return h;
+}
+
+void wxWindowDCImpl::Clear()
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_gdkwindow) return;
+
+ int width,height;
+ DoGetSize( &width, &height );
+ gdk_draw_rectangle( m_gdkwindow, m_bgGC, TRUE, 0, 0, width, height );
+}
+
+void wxWindowDCImpl::SetFont( const wxFont &font )
+{
+ m_font = font;
+
+ if (m_font.IsOk())
+ {
+ if (m_fontdesc)
+ pango_font_description_free( m_fontdesc );
+
+ m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+
+
+ if (m_window)
+ {
+ PangoContext *oldContext = m_context;
+
+ m_context = m_window->GTKGetPangoDefaultContext();
+
+ // If we switch back/forth between different contexts
+ // we also have to create a new layout. I think so,
+ // at least, and it doesn't hurt to do it.
+ if (oldContext != m_context)
+ {
+ if (m_layout)
+ g_object_unref (m_layout);
+
+ m_layout = pango_layout_new( m_context );
+ }
+ }
+
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+}
+
+void wxWindowDCImpl::SetPen( const wxPen &pen )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_pen == pen) return;
+
+ m_pen = pen;
+
+ if (!m_pen.IsOk()) return;
+
+ if (!m_gdkwindow) return;
+
+ gint width = m_pen.GetWidth();
+ if (width <= 0)
+ {
+ // CMB: if width is non-zero scale it with the dc
+ width = 1;
+ }
+ else
+ {
+ // X doesn't allow different width in x and y and so we take
+ // the average
+ double w = 0.5 +
+ ( fabs((double) XLOG2DEVREL(width)) +
+ fabs((double) YLOG2DEVREL(width)) ) / 2.0;
+ width = (int)w;
+ if ( !width )
+ {
+ // width can't be 0 or an internal GTK error occurs inside
+ // gdk_gc_set_dashes() below
+ width = 1;
+ }
+ }
+
+ static const wxGTKDash dotted[] = {1, 1};
+ static const wxGTKDash short_dashed[] = {2, 2};
+ static const wxGTKDash wxCoord_dashed[] = {2, 4};
+ static const wxGTKDash dotted_dashed[] = {3, 3, 1, 3};
+
+ // We express dash pattern in pen width unit, so we are
+ // independent of zoom factor and so on...
+ int req_nb_dash;
+ const wxGTKDash *req_dash;
+
+ GdkLineStyle lineStyle = GDK_LINE_ON_OFF_DASH;
+ switch (m_pen.GetStyle())
+ {
+ case wxPENSTYLE_USER_DASH:
+ req_nb_dash = m_pen.GetDashCount();
+ req_dash = (wxGTKDash*)m_pen.GetDash();
+ break;
+ case wxPENSTYLE_DOT:
+ req_nb_dash = 2;
+ req_dash = dotted;
+ break;
+ case wxPENSTYLE_LONG_DASH:
+ req_nb_dash = 2;
+ req_dash = wxCoord_dashed;
+ break;
+ case wxPENSTYLE_SHORT_DASH:
+ req_nb_dash = 2;
+ req_dash = short_dashed;
+ break;
+ case wxPENSTYLE_DOT_DASH:
+ req_nb_dash = 4;
+ req_dash = dotted_dashed;
+ break;
+
+ case wxPENSTYLE_TRANSPARENT:
+ case wxPENSTYLE_STIPPLE_MASK_OPAQUE:
+ case wxPENSTYLE_STIPPLE:
+ case wxPENSTYLE_SOLID:
+ default:
+ lineStyle = GDK_LINE_SOLID;
+ req_dash = NULL;
+ req_nb_dash = 0;
+ break;
+ }
+
+ if (req_dash && req_nb_dash)
+ {
+ wxGTKDash *real_req_dash = new wxGTKDash[req_nb_dash];
+ if (real_req_dash)
+ {
+ for (int i = 0; i < req_nb_dash; i++)
+ real_req_dash[i] = req_dash[i] * width;
+ gdk_gc_set_dashes( m_penGC, 0, real_req_dash, req_nb_dash );
+ delete[] real_req_dash;
+ }
+ else
+ {
+ // No Memory. We use non-scaled dash pattern...
+ gdk_gc_set_dashes( m_penGC, 0, (wxGTKDash*)req_dash, req_nb_dash );
+ }
+ }
+
+ GdkCapStyle capStyle = GDK_CAP_ROUND;
+ switch (m_pen.GetCap())
+ {
+ case wxCAP_PROJECTING: { capStyle = GDK_CAP_PROJECTING; break; }
+ case wxCAP_BUTT: { capStyle = GDK_CAP_BUTT; break; }
+ case wxCAP_ROUND:
+ default:
+ if (width <= 1)
+ {
+ width = 0;
+ capStyle = GDK_CAP_NOT_LAST;
+ }
+ break;
+ }
+
+ GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
+ switch (m_pen.GetJoin())
+ {
+ case wxJOIN_BEVEL: { joinStyle = GDK_JOIN_BEVEL; break; }
+ case wxJOIN_MITER: { joinStyle = GDK_JOIN_MITER; break; }
+ case wxJOIN_ROUND:
+ default: { joinStyle = GDK_JOIN_ROUND; break; }
+ }
+
+ gdk_gc_set_line_attributes( m_penGC, width, lineStyle, capStyle, joinStyle );
+
+ m_pen.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_penGC, m_pen.GetColour().GetColor() );
+}
+
+void wxWindowDCImpl::SetBrush( const wxBrush &brush )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_brush == brush) return;
+
+ m_brush = brush;
+
+ if (!m_brush.IsOk()) return;
+
+ if (!m_gdkwindow) return;
+
+ m_brush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_brushGC, m_brush.GetColour().GetColor() );
+
+ gdk_gc_set_fill( m_brushGC, GDK_SOLID );
+
+ if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE) && (m_brush.GetStipple()->IsOk()))
+ {
+ if (m_brush.GetStipple()->GetDepth() != 1)
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_TILED );
+ gdk_gc_set_tile( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+ }
+ else
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ gdk_gc_set_stipple( m_brushGC, m_brush.GetStipple()->GetPixmap() );
+ }
+ }
+
+ if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+ {
+ gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
+ gdk_gc_set_stipple( m_textGC, *m_brush.GetStipple()->GetMask() );
+ }
+
+ if (m_brush.IsHatch())
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ gdk_gc_set_stipple(m_brushGC, GetHatch(m_brush.GetStyle()));
+ }
+}
+
+void wxWindowDCImpl::SetBackground( const wxBrush &brush )
+{
+ /* CMB 21/7/98: Added SetBackground. Sets background brush
+ * for Clear() and bg colour for shapes filled with cross-hatch brush */
+
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_backgroundBrush == brush) return;
+
+ m_backgroundBrush = brush;
+
+ if (!m_backgroundBrush.IsOk()) return;
+
+ if (!m_gdkwindow) return;
+
+ wxColor color = m_backgroundBrush.GetColour();
+ color.CalcPixel(m_cmap);
+ const GdkColor* gdkColor = color.GetColor();
+ gdk_gc_set_background(m_brushGC, gdkColor);
+ gdk_gc_set_background(m_penGC, gdkColor);
+ gdk_gc_set_background(m_bgGC, gdkColor);
+ gdk_gc_set_foreground(m_bgGC, gdkColor);
+
+
+ gdk_gc_set_fill( m_bgGC, GDK_SOLID );
+
+ if (m_backgroundBrush.GetStyle() == wxBRUSHSTYLE_STIPPLE)
+ {
+ const wxBitmap* stipple = m_backgroundBrush.GetStipple();
+ if (stipple->IsOk())
+ {
+ if (stipple->GetDepth() != 1)
+ {
+ gdk_gc_set_fill(m_bgGC, GDK_TILED);
+ gdk_gc_set_tile(m_bgGC, stipple->GetPixmap());
+ }
+ else
+ {
+ gdk_gc_set_fill(m_bgGC, GDK_STIPPLED);
+ gdk_gc_set_stipple(m_bgGC, stipple->GetPixmap());
+ }
+ }
+ }
+ else if (m_backgroundBrush.IsHatch())
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ gdk_gc_set_stipple(m_bgGC, GetHatch(m_backgroundBrush.GetStyle()));
+ }
+}
+
+void wxWindowDCImpl::SetLogicalFunction( wxRasterOperationMode function )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (m_logicalFunction == function)
+ return;
+
+ // VZ: shouldn't this be a CHECK?
+ if (!m_gdkwindow)
+ return;
+
+ GdkFunction mode;
+ switch (function)
+ {
+ case wxXOR: mode = GDK_XOR; break;
+ case wxINVERT: mode = GDK_INVERT; break;
+ case wxOR_REVERSE: mode = GDK_OR_REVERSE; break;
+ case wxAND_REVERSE: mode = GDK_AND_REVERSE; break;
+ case wxCLEAR: mode = GDK_CLEAR; break;
+ case wxSET: mode = GDK_SET; break;
+ case wxOR_INVERT: mode = GDK_OR_INVERT; break;
+ case wxAND: mode = GDK_AND; break;
+ case wxOR: mode = GDK_OR; break;
+ case wxEQUIV: mode = GDK_EQUIV; break;
+ case wxNAND: mode = GDK_NAND; break;
+ case wxAND_INVERT: mode = GDK_AND_INVERT; break;
+ case wxCOPY: mode = GDK_COPY; break;
+ case wxNO_OP: mode = GDK_NOOP; break;
+ case wxSRC_INVERT: mode = GDK_COPY_INVERT; break;
+ case wxNOR: mode = GDK_NOR; break;
+ default:
+ wxFAIL_MSG("unknown mode");
+ return;
+ }
+
+ m_logicalFunction = function;
+
+ gdk_gc_set_function( m_penGC, mode );
+ gdk_gc_set_function( m_brushGC, mode );
+
+ // to stay compatible with wxMSW, we don't apply ROPs to the text
+ // operations (i.e. DrawText/DrawRotatedText).
+ // True, but mono-bitmaps use the m_textGC and they use ROPs as well.
+ gdk_gc_set_function( m_textGC, mode );
+}
+
+void wxWindowDCImpl::SetTextForeground( const wxColour &col )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ // don't set m_textForegroundColour to an invalid colour as we'd crash
+ // later then (we use m_textForegroundColour.GetColor() without checking
+ // in a few places)
+ if ( !col.IsOk() || (m_textForegroundColour == col) )
+ return;
+
+ m_textForegroundColour = col;
+
+ if ( m_gdkwindow )
+ {
+ m_textForegroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
+}
+
+void wxWindowDCImpl::SetTextBackground( const wxColour &col )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ // same as above
+ if ( !col.IsOk() || (m_textBackgroundColour == col) )
+ return;
+
+ m_textBackgroundColour = col;
+
+ if ( m_gdkwindow )
+ {
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+ }
+}
+
+void wxWindowDCImpl::SetBackgroundMode( int mode )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ m_backgroundMode = mode;
+}
+
+void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )
+{
+ wxFAIL_MSG( wxT("wxWindowDCImpl::SetPalette not implemented") );
+}
+
+void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (!m_gdkwindow) return;
+
+ wxRect rect;
+ rect.x = XLOG2DEV(x);
+ rect.y = YLOG2DEV(y);
+ rect.width = XLOG2DEVREL(width);
+ rect.height = YLOG2DEVREL(height);
+
+ if (m_window && m_window->m_wxwindow &&
+ (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
+ {
+ rect.x -= rect.width;
+ }
+
+ DoSetDeviceClippingRegion(wxRegion(rect));
+}
+
+void wxWindowDCImpl::DoSetDeviceClippingRegion( const wxRegion ®ion )
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ if (region.Empty())
+ {
+ DestroyClippingRegion();
+ return;
+ }
+
+ if (!m_gdkwindow) return;
+
+ if (!m_currentClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( region );
+ else
+ m_currentClippingRegion.Union( region );
+
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( m_paintClippingRegion );
+#endif
+
+ wxCoord xx, yy, ww, hh;
+ m_currentClippingRegion.GetBox( xx, yy, ww, hh );
+ wxGTKDCImpl::DoSetClippingRegion( xx, yy, ww, hh );
+
+ GdkRegion* gdkRegion = m_currentClippingRegion.GetRegion();
+ gdk_gc_set_clip_region(m_penGC, gdkRegion);
+ gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+ gdk_gc_set_clip_region(m_textGC, gdkRegion);
+ gdk_gc_set_clip_region(m_bgGC, gdkRegion);
+}
+
+void wxWindowDCImpl::DestroyClippingRegion()
+{
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
+
+ wxDCImpl::DestroyClippingRegion();
+
+ m_currentClippingRegion.Clear();
+
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsEmpty())
+ m_currentClippingRegion.Union( m_paintClippingRegion );
+#endif
+
+ if (!m_gdkwindow) return;
+
+ GdkRegion* gdkRegion = NULL;
+ if (!m_currentClippingRegion.IsEmpty())
+ gdkRegion = m_currentClippingRegion.GetRegion();
+
+ gdk_gc_set_clip_region(m_penGC, gdkRegion);
+ gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+ gdk_gc_set_clip_region(m_textGC, gdkRegion);
+ gdk_gc_set_clip_region(m_bgGC, gdkRegion);
+}
+
+void wxWindowDCImpl::Destroy()
+{
+ if (m_penGC) wxFreePoolGC( m_penGC );
+ m_penGC = NULL;
+ if (m_brushGC) wxFreePoolGC( m_brushGC );
+ m_brushGC = NULL;
+ if (m_textGC) wxFreePoolGC( m_textGC );
+ m_textGC = NULL;
+ if (m_bgGC) wxFreePoolGC( m_bgGC );
+ m_bgGC = NULL;
+}
+
+void wxWindowDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )
+{
+ m_deviceOriginX = x;
+ m_deviceOriginY = y;
+
+ ComputeScaleAndOrigin();
+}
+
+void wxWindowDCImpl::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
+{
+ m_signX = (xLeftRight ? 1 : -1);
+ m_signY = (yBottomUp ? -1 : 1);
+
+ if (m_window && m_window->m_wxwindow &&
+ (m_window->GetLayoutDirection() == wxLayout_RightToLeft))
+ m_signX = -m_signX;
+
+ ComputeScaleAndOrigin();
+}
+
+void wxWindowDCImpl::ComputeScaleAndOrigin()
+{
+ const wxRealPoint origScale(m_scaleX, m_scaleY);
+
+ wxDCImpl::ComputeScaleAndOrigin();
+
+ // if scale has changed call SetPen to recalulate the line width
+ if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.IsOk() )
+ {
+ // this is a bit artificial, but we need to force wxDC to think the pen
+ // has changed
+ wxPen pen = m_pen;
+ m_pen = wxNullPen;
+ SetPen( pen );
+ }
+}
+
+// Resolution in pixels per logical inch
+wxSize wxWindowDCImpl::GetPPI() const
+{
+ return wxSize( (int) (m_mm_to_pix_x * 25.4 + 0.5), (int) (m_mm_to_pix_y * 25.4 + 0.5));
+}
+
+int wxWindowDCImpl::GetDepth() const
+{
+ return gdk_drawable_get_depth(m_gdkwindow);
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
+
+wxClientDCImpl::wxClientDCImpl( wxDC *owner )
+ : wxWindowDCImpl( owner )
+{
+}
+
+wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *win )
+ : wxWindowDCImpl( owner, win )
+{
+ wxCHECK_RET( win, wxT("NULL window in wxClientDCImpl::wxClientDC") );
+
+#ifdef __WXUNIVERSAL__
+ wxPoint ptOrigin = win->GetClientAreaOrigin();
+ SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+ wxSize size = win->GetClientSize();
+ DoSetClippingRegion(0, 0, size.x, size.y);
+#endif
+ // __WXUNIVERSAL__
+}
+
+void wxClientDCImpl::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_window, wxT("GetSize() doesn't work without window") );
+
+ m_window->GetClientSize(width, height);
+}
+
+//-----------------------------------------------------------------------------
+// wxPaintDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxClientDCImpl)
+
+// Limit the paint region to the window size. Sometimes
+// the paint region is too big, and this risks X11 errors
+static void wxLimitRegionToSize(wxRegion& region, const wxSize& sz)
+{
+ wxRect originalRect = region.GetBox();
+ wxRect rect(originalRect);
+ if (rect.width + rect.x > sz.x)
+ rect.width = sz.x - rect.x;
+ if (rect.height + rect.y > sz.y)
+ rect.height = sz.y - rect.y;
+ if (rect != originalRect)
+ {
+ region = wxRegion(rect);
+ wxLogTrace(wxT("painting"), wxT("Limiting region from %d, %d, %d, %d to %d, %d, %d, %d\n"),
+ originalRect.x, originalRect.y, originalRect.width, originalRect.height,
+ rect.x, rect.y, rect.width, rect.height);
+ }
+}
+
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner )
+ : wxClientDCImpl( owner )
+{
+}
+
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *win )
+ : wxClientDCImpl( owner, win )
+{
+#if USE_PAINT_REGION
+ if (!win->m_clipPaintRegion)
+ return;
+
+ wxSize sz = win->GetSize();
+ m_paintClippingRegion = win->m_nativeUpdateRegion;
+ wxLimitRegionToSize(m_paintClippingRegion, sz);
+
+ GdkRegion *region = m_paintClippingRegion.GetRegion();
+ if ( region )
+ {
+ m_currentClippingRegion.Union( m_paintClippingRegion );
+ wxLimitRegionToSize(m_currentClippingRegion, sz);
+
+ if (sz.x <= 0 || sz.y <= 0)
+ return ;
+
+ gdk_gc_set_clip_region( m_penGC, region );
+ gdk_gc_set_clip_region( m_brushGC, region );
+ gdk_gc_set_clip_region( m_textGC, region );
+ gdk_gc_set_clip_region( m_bgGC, region );
+ }
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// wxDCModule
+// ----------------------------------------------------------------------------
+
+class wxDCModule : public wxModule
+{
+public:
+ bool OnInit();
+ void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxDCModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
+
+bool wxDCModule::OnInit()
+{
+ wxInitGCPool();
+ return true;
+}
+
+void wxDCModule::OnExit()
+{
+ wxCleanUpGCPool();
+
+ for (int i = wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH; i--; )
+ {
+ if (hatches[i])
+ g_object_unref(hatches[i]);
+ }
+}
projects / wxWidgets.git / blobdiff