wxPaintDC::wxPaintDC(void)
{
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
};
wxPaintDC::wxPaintDC( wxWindow *window )
{
+ m_penGC = NULL;
+ m_brushGC = NULL;
+ m_textGC = NULL;
+ m_bgGC = NULL;
+ m_cmap = NULL;
+
if (!window) return;
GtkWidget *widget = window->m_wxwindow;
if (!widget) return;
m_cmap = gtk_widget_get_colormap( window->m_wxwindow );
else
m_cmap = gtk_widget_get_colormap( window->m_widget );
+
+ m_isDrawable = TRUE;
+
SetUpDC();
long x = 0;
long x2 = XLOG2DEV(points[i+1].x + xoffset);
long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
long y2 = YLOG2DEV(points[i+1].y + yoffset);
- gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
};
};
long x2 = XLOG2DEV(npoint->x + xoffset);
long y1 = YLOG2DEV(point->y + yoffset); // and again...
long y2 = YLOG2DEV(npoint->y + yoffset);
- gdk_draw_line( m_window, m_brushGC, x1, y1, x2, y2 );
+ gdk_draw_line( m_window, m_penGC, x1, y1, x2, y2 );
node = node->Next();
};
};
-void wxPaintDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[],
- long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
+void wxPaintDC::DrawPolygon( int n, wxPoint points[],
+ long xoffset, long yoffset, int WXUNUSED(fillStyle) )
+ {
+ if (!Ok()) return;
+ if (!n) return; // Nothing to draw
+ GdkPoint *gdkpoints = new GdkPoint[n+1];
+ int i;
+ for (i = 0 ; i < n ; i++)
+ {
+ gdkpoints[i].x = XLOG2DEV(points[i].x + xoffset);
+ gdkpoints[i].y = YLOG2DEV(points[i].y + yoffset);
+ }
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+ // To do: Fillstyle
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ for (i = 0 ; i < n ; i++)
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
+ delete[] gdkpoints;
};
-void wxPaintDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset),
- long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
+void wxPaintDC::DrawPolygon( wxList *lines, long xoffset,
+ long yoffset, int WXUNUSED(fillStyle))
+ {
+ int n = lines->Number();
+
+ if (!Ok()) return;
+ GdkPoint *gdkpoints = new GdkPoint[n];
+ wxNode *node = lines->First();
+ int cnt=0;
+ while (node)
+ {
+ wxPoint *p = (wxPoint *) node->Data();
+ gdkpoints[cnt].x = XLOG2DEV(p->x + xoffset);
+ gdkpoints[cnt].y = YLOG2DEV(p->y + yoffset);
+ node = node->Next();
+ cnt++;
+ }
+ if (m_brush.GetStyle() != wxTRANSPARENT)
+ gdk_draw_polygon (m_window, m_brushGC, TRUE, gdkpoints, n);
+ // To do: Fillstyle
+ if (m_pen.GetStyle() != wxTRANSPARENT)
+ {
+ int i;
+ for (i = 0 ; i < n ; i++)
+ gdk_draw_line( m_window, m_penGC,
+ gdkpoints[i%n].x,
+ gdkpoints[i%n].y,
+ gdkpoints[(i+1)%n].x,
+ gdkpoints[(i+1)%n].y);
+ }
+ delete[] gdkpoints;
};
void wxPaintDC::DrawRectangle( long x, long y, long width, long height )
return TRUE;
};
-void wxPaintDC::DrawText( const wxString &text, long x, long y, bool WXUNUSED(use16) )
+void wxPaintDC::DrawText( const wxString &text, long x, long y, bool
+WXUNUSED(use16) )
{
if (!Ok()) return;
-
+
GdkFont *font = m_font.GetInternalFont( m_scaleY );
+ x = XLOG2DEV(x);
+ y = YLOG2DEV(y);
+
// CMB 21/5/98: draw text background if mode is wxSOLID
if (m_backgroundMode == wxSOLID)
{
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,
- XLOG2DEV(x),
- YLOG2DEV(y) + font->ascent, text );
+ gdk_draw_string( m_window, font, m_textGC, x, y + font->ascent, text );
+
+ // 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())
+ {
+ long width = gdk_string_width( font, text );
+ long 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);
+ }
};
+
+
bool wxPaintDC::CanGetTextExtent(void) const
{
return TRUE;
{
if (!Ok()) return;
- DestroyClippingRegion();
- gdk_window_clear( m_window );
+// DestroyClippingRegion();
+
+ if (m_isDrawable)
+ {
+ gdk_window_clear( m_window );
+ }
+ else
+ {
+ int width = 0;
+ int height = 0;
+ GetSize( &width, &height );
+ gdk_draw_rectangle( m_window, m_bgGC, TRUE, 0, 0, width, height );
+ };
};
void wxPaintDC::SetFont( const wxFont &font )
};
};
+// CMB 21/7/98: Added SetBackground. Sets background brush
+// for Clear() and bg colour for shapes filled with cross-hatch brush
+void wxPaintDC::SetBackground( const wxBrush &brush )
+{
+ if (!Ok()) return;
+
+ if (m_backgroundBrush == brush) return;
+
+ m_backgroundBrush = brush;
+
+ if (!m_backgroundBrush.Ok()) return;
+
+ m_backgroundBrush.GetColour().CalcPixel( m_cmap );
+ gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
+ gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+
+ GdkFill fillStyle = GDK_SOLID;
+ switch (m_backgroundBrush.GetStyle())
+ {
+ case wxSOLID:
+ case wxTRANSPARENT:
+ break;
+ default:
+ fillStyle = GDK_STIPPLED;
+ };
+
+ gdk_gc_set_fill( m_bgGC, fillStyle );
+
+ if (m_backgroundBrush.GetStyle() == wxSTIPPLE)
+ {
+ gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+ };
+
+ if (IS_HATCH(m_backgroundBrush.GetStyle()))
+ {
+ int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
+ gdk_gc_set_stipple( m_bgGC, hatches[num] );
+ };
+};
+
void wxPaintDC::SetLogicalFunction( int function )
{
if (m_logicalFunction == function) return;
void wxPaintDC::SetBackgroundMode( int mode )
{
m_backgroundMode = mode;
+
+ // 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 wxPaintDC::SetPalette( const wxPalette& WXUNUSED(palette) )
{
m_ok = TRUE;
m_logicalFunction = wxCOPY;
+ if (m_penGC) gdk_gc_unref( m_penGC );
m_penGC = gdk_gc_new( m_window );
+ if (m_brushGC) gdk_gc_unref( m_brushGC );
m_brushGC = gdk_gc_new( m_window );
+ if (m_textGC) gdk_gc_unref( m_textGC );
m_textGC = gdk_gc_new( m_window );
+ if (m_bgGC) gdk_gc_unref( m_bgGC );
m_bgGC = gdk_gc_new( m_window );
SetTextForeground( m_textForegroundColour );
SetTextBackground( m_textBackgroundColour );
projects / wxWidgets.git / blobdiff