+ 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 ((bm_width != bm_ww) || (bm_height != 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_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 );
+ else
+ gdk_gc_set_clip_mask( m_textGC, mask );
+ // was: gdk_gc_set_clip_origin( m_textGC, xx, yy );
+ gdk_gc_set_clip_origin( m_textGC, cx, cy );
+ }
+ else
+ {
+ if (new_mask)
+ gdk_gc_set_clip_mask( m_penGC, new_mask );
+ else
+ gdk_gc_set_clip_mask( m_penGC, mask );
+ // was: gdk_gc_set_clip_origin( m_penGC, xx, yy );
+ gdk_gc_set_clip_origin( m_penGC, cx, cy );
+ }
+ }
+
+ // 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)
+ {
+#ifdef __WXGTK20__
+ GdkPixmap *bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bm_ww, bm_hh, -1 );
+ GdkGC *gc = gdk_gc_new( bitmap );
+ gdk_gc_set_foreground( gc, m_textForegroundColour.GetColor() );
+ gdk_gc_set_background( gc, m_textBackgroundColour.GetColor() );
+ gdk_wx_draw_bitmap( bitmap, gc, use_bitmap.GetBitmap(), 0, 0, 0, 0, -1, -1 );
+
+ gdk_draw_drawable( m_window, m_textGC, bitmap, xsrc, ysrc, cx, cy, cw, ch );
+
+ gdk_bitmap_unref( bitmap );
+ gdk_gc_unref( gc );
+#else
+ // was: gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, xx, yy, ww, hh );
+ gdk_wx_draw_bitmap( m_window, m_textGC, use_bitmap.GetBitmap(), xsrc, ysrc, cx, cy, cw, ch );
+#endif
+ }
+ else
+ {
+ // was: gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, xx, yy, ww, hh );
+ gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), xsrc, ysrc, cx, cy, cw, ch );
+ }
+
+ // 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 );
+ }
+ else // use_bitmap_method
+ {
+ if ((width != ww) || (height != hh))
+ {
+ // get clip coords
+ wxRegion tmp( xx,yy,ww,hh );
+ tmp.Intersect( m_currentClippingRegion );
+ wxCoord cx,cy,cw,ch;
+ tmp.GetBox(cx,cy,cw,ch);
+
+ // rescale bitmap
+ wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh );
+
+ // draw scaled bitmap
+ // was: gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+ gdk_draw_pixmap( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, cx, cy, -1, -1 );
+ }
+ else
+ {
+ // No scaling and not a memory dc with a mask either
+
+ // copy including child window contents
+ gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
+ gdk_window_copy_area( m_window, m_penGC, xx, yy,
+ srcDC->GetWindow(),
+ xsrc, ysrc, width, height );
+ gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
+ }
+ }
+
+ SetLogicalFunction( old_logical_func );
+
+ return TRUE;
+}
+
+void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ if (text.empty()) return;
+
+#ifndef __WXGTK20__
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+#endif
+
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
+#ifdef __WXGTK20__
+ 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") );
+
+#if wxUSE_UNICODE
+ const wxCharBuffer data = wxConvUTF8.cWC2MB( text );
+#else
+ const wxWCharBuffer wdata = wxConvLocal.cMB2WC( text );
+ const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
+#endif
+ pango_layout_set_text( m_layout, (const char*) data, strlen( (const char*) data ));
+
+ int w,h;
+
+ if (fabs(m_scaleY - 1.0) < 0.00001)
+ {
+ // If there is a user or actually any scale applied to
+ // the device context, scale the font.
+
+ // scale font description
+ gint oldSize = pango_font_description_get_size( m_fontdesc );
+ double size = oldSize;
+ size = size * m_scaleY;
+ pango_font_description_set_size( m_fontdesc, (gint)size );
+
+ // actually apply scaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+ if ( m_backgroundMode == wxSOLID )
+ {
+ gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
+ gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
+ gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
+ }
+
+ // Draw layout.
+ gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
+
+ // reset unscaled size
+ pango_font_description_set_size( m_fontdesc, oldSize );
+
+ // actually apply unscaled font
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+ else
+ {
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+ if ( m_backgroundMode == wxSOLID )
+ {
+ gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
+ gdk_draw_rectangle(m_window, m_textGC, TRUE, x, y, w, h);
+ gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
+ }
+ // Draw layout.
+ gdk_draw_layout( m_window, m_textGC, x, y, m_layout );
+ }
+
+ wxCoord width = w;
+ wxCoord height = h;
+
+#else // GTK+ 1.x
+ wxCoord width = gdk_string_width( font, text.mbc_str() );
+ wxCoord height = font->ascent + font->descent;
+
+ if ( m_backgroundMode == wxSOLID )
+ {
+ gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
+ gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
+ gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text.mbc_str() );
+
+ /* CMB 17/7/98: simple underline: ignores scaling and underlying
+ X font's XA_UNDERLINE_POSITION and XA_UNDERLINE_THICKNESS
+ properties (see wxXt implementation) */
+ if (m_font.GetUnderlined())
+ {
+ wxCoord ul_y = y + font->ascent;
+ if (font->descent > 0) ul_y++;
+ gdk_draw_line( m_window, m_textGC, x, ul_y, x + width, ul_y);
+ }
+#endif // GTK+ 2.0/1.x
+
+ width = wxCoord(width / m_scaleX);
+ height = wxCoord(height / m_scaleY);
+ CalcBoundingBox (x + width, y + height);
+ CalcBoundingBox (x, y);
+}
+
+void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y, double angle )
+{
+ if (angle == 0.0)
+ {
+ DrawText(text, x, y);
+ return;
+ }
+
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+#ifdef __WXGTK20__
+ // implement later without GdkFont for GTK 2.0
+ return;
+#else
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+
+ wxCHECK_RET( font, wxT("invalid font") );
+
+ // the size of the text
+ wxCoord w = gdk_string_width( font, text.mbc_str() );
+ wxCoord h = font->ascent + font->descent;
+
+ // draw the string normally
+ wxBitmap src(w, h);
+ wxMemoryDC dc;
+ dc.SelectObject(src);
+ dc.SetFont(GetFont());
+ dc.SetBackground(*wxWHITE_BRUSH);
+ dc.SetBrush(*wxBLACK_BRUSH);
+ dc.Clear();
+ dc.DrawText(text, 0, 0);
+ dc.SelectObject(wxNullBitmap);
+
+ // Calculate the size of the rotated bounding box.
+ double rad = DegToRad(angle);
+ double dx = cos(rad),
+ dy = sin(rad);
+
+ // the rectngle vertices are counted clockwise with the first one being at
+ // (0, 0) (or, rather, at (x, y))
+ double x2 = w*dx,
+ y2 = -w*dy; // y axis points to the bottom, hence minus
+ double x4 = h*dy,
+ y4 = h*dx;
+ double x3 = x4 + x2,
+ y3 = y4 + y2;
+
+ // calc max and min
+ wxCoord maxX = (wxCoord)(dmax(x2, dmax(x3, x4)) + 0.5),
+ maxY = (wxCoord)(dmax(y2, dmax(y3, y4)) + 0.5),
+ minX = (wxCoord)(dmin(x2, dmin(x3, x4)) - 0.5),
+ minY = (wxCoord)(dmin(y2, dmin(y3, y4)) - 0.5);
+
+ // prepare to blit-with-rotate the bitmap to the DC
+ wxImage image = src.ConvertToImage();
+
+ GdkColor *colText = m_textForegroundColour.GetColor(),
+ *colBack = m_textBackgroundColour.GetColor();
+
+ bool textColSet = TRUE;
+
+ unsigned char *data = image.GetData();
+
+ // paint pixel by pixel
+ for ( wxCoord srcX = 0; srcX < w; srcX++ )
+ {
+ for ( wxCoord srcY = 0; srcY < h; srcY++ )
+ {
+ // transform source coords to dest coords
+ double r = sqrt((double)srcX*srcX + srcY*srcY);
+ double angleOrig = atan2((double)srcY, (double)srcX) - rad;
+ wxCoord dstX = (wxCoord)(r*cos(angleOrig) + 0.5),
+ dstY = (wxCoord)(r*sin(angleOrig) + 0.5);
+
+ // black pixel?
+ bool textPixel = data[(srcY*w + srcX)*3] == 0;
+ if ( textPixel || (m_backgroundMode == wxSOLID) )
+ {
+ // change colour if needed
+ if ( textPixel != textColSet )
+ {
+ gdk_gc_set_foreground( m_textGC, textPixel ? colText
+ : colBack );
+
+ textColSet = textPixel;
+ }
+
+ // don't use DrawPoint() because it uses the current pen
+ // colour, and we don't need it here
+ gdk_draw_point( m_window, m_textGC,
+ XLOG2DEV(x) + dstX, YLOG2DEV(y) + dstY );
+ }
+ }
+ }
+
+ // it would be better to draw with non underlined font and draw the line
+ // manually here (it would be more straight...)
+#if 0
+ if ( m_font.GetUnderlined() )
+ {
+ gdk_draw_line( m_window, m_textGC,
+ XLOG2DEV(x + x4), YLOG2DEV(y + y4 + font->descent),
+ XLOG2DEV(x + x3), YLOG2DEV(y + y3 + font->descent));
+ }
+#endif // 0
+
+ // restore the font colour
+ gdk_gc_set_foreground( m_textGC, colText );
+
+ // update the bounding box
+ CalcBoundingBox(x + minX, y + minY);
+ CalcBoundingBox(x + maxX, y + maxY);
+#endif
+}
+
+void wxWindowDC::DoGetTextExtent(const wxString &string,
+ wxCoord *width, wxCoord *height,
+ wxCoord *descent, wxCoord *externalLeading,
+ wxFont *theFont) const
+{
+ if (string.IsEmpty())
+ {
+ if (width) (*width) = 0;
+ if (height) (*height) = 0;
+ return;
+ }
+
+#ifdef __WXGTK20__
+ // Set new font description
+ if (theFont)
+ pango_layout_set_font_description( m_layout, theFont->GetNativeFontInfo()->description );
+
+ // Set layout's text
+#if wxUSE_UNICODE
+ const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
+ pango_layout_set_text( m_layout, (const char*) data, strlen( (const char*) data ));
+#else
+ const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
+ const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
+ pango_layout_set_text( m_layout, (const char*) data, strlen( (const char*) data ));
+#endif
+
+ int w,h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+
+ if (width) (*width) = (wxCoord) w;
+ if (height) (*height) = (wxCoord) h;
+ if (descent)
+ {
+ // Do something about metrics here. TODO.
+ (*descent) = 0;
+ }
+ if (externalLeading) (*externalLeading) = 0; // ??
+
+ // Reset old font description
+ if (theFont)
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+#else
+ wxFont fontToUse = m_font;
+ if (theFont) fontToUse = *theFont;
+
+ GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
+ if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
+ if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
+ if (descent) (*descent) = wxCoord(font->descent / m_scaleY);
+ if (externalLeading) (*externalLeading) = 0; // ??
+#endif
+}
+
+wxCoord wxWindowDC::GetCharWidth() const
+{
+#ifdef __WXGTK20__
+ pango_layout_set_text( m_layout, "H", 1 );
+ int w,h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+ return w;
+#else
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord(gdk_string_width( font, "H" ) / m_scaleX);
+#endif
+}
+
+wxCoord wxWindowDC::GetCharHeight() const
+{
+#ifdef __WXGTK20__
+ pango_layout_set_text( m_layout, "H", 1 );
+ int w,h;
+ pango_layout_get_pixel_size( m_layout, &w, &h );
+ return h;
+#else
+ GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ wxCHECK_MSG( font, -1, wxT("invalid font") );
+
+ return wxCoord((font->ascent + font->descent) / m_scaleY);
+#endif
+}
+
+void wxWindowDC::Clear()
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ // VZ: the code below results in infinite recursion and crashes when
+ // dc.Clear() is done from OnPaint() so I disable it for now.
+ // I don't know what the correct fix is but Clear() surely should not
+ // reenter OnPaint()!
+#if 0
+ /* - we either are a memory dc or have a window as the
+ owner. anything else shouldn't happen.
+ - we don't use gdk_window_clear() as we don't set
+ the window's background colour anymore. it is too
+ much pain to keep the DC's and the window's back-
+ ground colour in synch. */
+
+ if (m_owner)
+ {
+ m_owner->Clear();
+ return;
+ }
+
+ if (m_isMemDC)
+ {
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ return;
+ }
+#else // 1
+ int width,height;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+#endif // 0/1
+}
+
+void wxWindowDC::SetFont( const wxFont &font )
+{
+ m_font = font;
+
+#ifdef __WXGTK20__
+ if (m_font.Ok())
+ {
+ if (m_fontdesc)
+ pango_font_description_free( m_fontdesc );
+
+ m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+
+
+ if (m_owner)
+ {
+ PangoContext *oldContext = m_context;
+
+ // We might want to use the X11 context for faster
+ // rendering on screen
+ if (m_font.GetNoAntiAliasing())
+ m_context = m_owner->GtkGetPangoX11Context();
+ else
+ m_context = m_owner->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( G_OBJECT( m_layout ) );
+
+ m_layout = pango_layout_new( m_context );
+ }
+ }
+
+ pango_layout_set_font_description( m_layout, m_fontdesc );
+ }
+#endif
+}
+
+void wxWindowDC::SetPen( const wxPen &pen )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_pen == pen) return;
+
+ m_pen = pen;
+
+ if (!m_pen.Ok()) return;
+
+ if (!m_window) 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_SOLID;
+ switch (m_pen.GetStyle())
+ {
+ case wxUSER_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = m_pen.GetDashCount();
+ req_dash = (wxGTKDash*)m_pen.GetDash();
+ break;
+ }
+ case wxDOT:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = dotted;
+ break;
+ }
+ case wxLONG_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = wxCoord_dashed;
+ break;
+ }
+ case wxSHORT_DASH:
+ {
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 2;
+ req_dash = short_dashed;
+ break;
+ }
+ case wxDOT_DASH:
+ {
+// lineStyle = GDK_LINE_DOUBLE_DASH;
+ lineStyle = GDK_LINE_ON_OFF_DASH;
+ req_nb_dash = 4;
+ req_dash = dotted_dashed;
+ break;
+ }
+
+ case wxTRANSPARENT:
+ case wxSTIPPLE_MASK_OPAQUE:
+ case wxSTIPPLE:
+ case wxSOLID:
+ default:
+ {
+ lineStyle = GDK_LINE_SOLID;
+ req_dash = (wxGTKDash*)NULL;
+ req_nb_dash = 0;
+ break;
+ }
+ }
+
+#if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1)
+ 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 );
+ }
+ }
+#endif // GTK+ > 1.0
+
+ 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;
+ }
+ else
+ {
+ capStyle = GDK_CAP_ROUND;
+ }
+ 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 wxWindowDC::SetBrush( const wxBrush &brush )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_brush == brush) return;
+
+ m_brush = brush;
+
+ if (!m_brush.Ok()) return;
+
+ if (!m_window) 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() == wxSTIPPLE) && (m_brush.GetStipple()->Ok()))
+ {
+ if (m_brush.GetStipple()->GetPixmap())
+ {
+ 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()->GetBitmap() );
+ }
+ }
+
+ if ((m_brush.GetStyle() == wxSTIPPLE_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()->GetBitmap() );
+ }
+
+ if (IS_HATCH(m_brush.GetStyle()))
+ {
+ gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
+ int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_brushGC, hatches[num] );
+ }
+}
+
+void wxWindowDC::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( Ok(), wxT("invalid window dc") );
+
+ if (m_backgroundBrush == brush) return;
+
+ m_backgroundBrush = brush;
+
+ if (!m_backgroundBrush.Ok()) return;
+
+ if (!m_window) return;
+
+ m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+
+ gdk_gc_set_fill( m_bgGC, GDK_SOLID );
+
+ if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->Ok()))
+ {
+ if (m_backgroundBrush.GetStipple()->GetPixmap())
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_TILED );
+ gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+ }
+ else
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetBitmap() );
+ }
+ }
+
+ if (IS_HATCH(m_backgroundBrush.GetStyle()))
+ {
+ gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
+ int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_bgGC, hatches[num] );
+ }
+}
+
+void wxWindowDC::SetLogicalFunction( int function )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (m_logicalFunction == function)
+ return;
+
+ // VZ: shouldn't this be a CHECK?
+ if (!m_window)
+ return;
+
+ GdkFunction mode;
+ switch (function)
+ {
+ case wxXOR: mode = GDK_XOR; break;
+ case wxINVERT: mode = GDK_INVERT; break;
+#if (GTK_MINOR_VERSION > 0) || (GTK_MAJOR_VERSION > 1)
+ 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;
+
+ // unsupported by GTK
+ case wxNOR: mode = GDK_COPY; break;
+#endif // GTK+ > 1.0
+ default:
+ wxFAIL_MSG( wxT("unsupported logical function") );
+ mode = GDK_COPY;
+ }
+
+ 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 wxWindowDC::SetTextForeground( const wxColour &col )
+{
+ wxCHECK_RET( Ok(), 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.Ok() || (m_textForegroundColour == col) )
+ return;
+
+ m_textForegroundColour = col;
+
+ if ( m_window )
+ {
+ m_textForegroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+ }
+}
+
+void wxWindowDC::SetTextBackground( const wxColour &col )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ // same as above
+ if ( !col.Ok() || (m_textBackgroundColour == col) )
+ return;
+
+ m_textBackgroundColour = col;
+
+ if ( m_window )
+ {
+ m_textBackgroundColour.CalcPixel( m_cmap );
+ gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+ }
+}
+
+void wxWindowDC::SetBackgroundMode( int mode )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ m_backgroundMode = mode;
+
+ if (!m_window) return;
+
+ // CMB 21/7/98: fill style of cross-hatch brushes is affected by
+ // transparent/solid background mode
+
+ if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
+ {
+ gdk_gc_set_fill( m_brushGC,
+ (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
+ }
+}
+
+void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
+{
+ wxFAIL_MSG( wxT("wxWindowDC::SetPalette not implemented") );
+}
+
+void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (!m_window) return;
+
+ wxRect rect;
+ rect.x = XLOG2DEV(x);
+ rect.y = YLOG2DEV(y);
+ rect.width = XLOG2DEVREL(width);
+ rect.height = YLOG2DEVREL(height);
+
+ if (!m_currentClippingRegion.IsNull())
+ m_currentClippingRegion.Intersect( rect );
+ else
+ m_currentClippingRegion.Union( rect );
+
+#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 );
+ wxDC::DoSetClippingRegion( xx, yy, ww, hh );
+
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+}
+
+void wxWindowDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ if (region.Empty())
+ {
+ DestroyClippingRegion();
+ return;
+ }
+
+ if (!m_window) 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 );
+ wxDC::DoSetClippingRegion( xx, yy, ww, hh );
+
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+}
+
+void wxWindowDC::DestroyClippingRegion()
+{
+ wxCHECK_RET( Ok(), wxT("invalid window dc") );
+
+ wxDC::DestroyClippingRegion();
+
+ m_currentClippingRegion.Clear();
+
+#if USE_PAINT_REGION
+ if (!m_paintClippingRegion.IsEmpty())
+ m_currentClippingRegion.Union( m_paintClippingRegion );
+#endif
+
+ if (!m_window) return;
+
+ if (m_currentClippingRegion.IsEmpty())
+ {
+ gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
+ gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
+ }
+ else
+ {
+ gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
+ gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+ }
+}
+
+void wxWindowDC::Destroy()
+{
+ if (m_penGC) wxFreePoolGC( m_penGC );
+ m_penGC = (GdkGC*) NULL;
+ if (m_brushGC) wxFreePoolGC( m_brushGC );
+ m_brushGC = (GdkGC*) NULL;
+ if (m_textGC) wxFreePoolGC( m_textGC );
+ m_textGC = (GdkGC*) NULL;
+ if (m_bgGC) wxFreePoolGC( m_bgGC );
+ m_bgGC = (GdkGC*) NULL;
+}
+
+void wxWindowDC::ComputeScaleAndOrigin()
+{
+ /* CMB: copy scale to see if it changes */
+ double origScaleX = m_scaleX;
+ double origScaleY = m_scaleY;
+
+ wxDC::ComputeScaleAndOrigin();
+
+ /* CMB: if scale has changed call SetPen to recalulate the line width */
+ if ((m_scaleX != origScaleX || m_scaleY != origScaleY) &&
+ (m_pen.Ok()))
+ {
+ /* 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 wxWindowDC::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 wxWindowDC::GetDepth() const
+{
+ wxFAIL_MSG(wxT("not implemented"));
+
+ return -1;
+}
+
+
+//-----------------------------------------------------------------------------
+// wxPaintDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
+
+// 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);
+ }
+}
+
+wxPaintDC::wxPaintDC( wxWindow *win )
+ : wxClientDC( win )
+{
+#if USE_PAINT_REGION
+ if (!win->m_clipPaintRegion)
+ return;
+
+ wxSize sz = win->GetSize();
+ m_paintClippingRegion = win->GetUpdateRegion();
+ 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 // USE_PAINT_REGION
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
+
+wxClientDC::wxClientDC( wxWindow *win )
+ : wxWindowDC( win )
+{
+ wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") );
+
+#ifdef __WXUNIVERSAL__
+ wxPoint ptOrigin = win->GetClientAreaOrigin();
+ SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
+ wxSize size = win->GetClientSize();
+ SetClippingRegion(wxPoint(0, 0), size);
+#endif // __WXUNIVERSAL__
+}
+
+void wxClientDC::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
+
+ m_owner->GetClientSize( width, height );
+}
+
+// ----------------------------------------------------------------------------
+// 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();
+}
projects / wxWidgets.git / blobdiff