Added new directfb backend

1 files changed, 438 insertions, 0 deletions

diff --git a/gdk/directfb/gdkgc-directfb.c b/gdk/directfb/gdkgc-directfb.c
new file mode 100644
index 0000000000..88b00ca4dc
--- /dev/null
+++ b/gdk/directfb/gdkgc-directfb.c
@@ -0,0 +1,438 @@
+/* GDK - The GIMP Drawing Kit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.
+ */
+
+/*
+ * GTK+ DirectFB backend
+ * Copyright (C) 2001-2002  convergence integrated media GmbH
+ * Copyright (C) 2002-2004  convergence GmbH
+ * Written by Denis Oliver Kropp <dok@convergence.de> and
+ *            Sven Neumann <sven@convergence.de>
+ */
+
+#include <config.h>
+#include "gdk.h"
+
+#include <string.h>
+
+#include "gdkdirectfb.h"
+#include "gdkprivate-directfb.h"
+
+#include "gdkgc.h"
+#include "gdkfont.h"
+#include "gdkpixmap.h"
+#include "gdkregion-generic.h"
+
+#include "gdkalias.h"
+
+static void gdk_directfb_gc_get_values (GdkGC           *gc,
+                                        GdkGCValues     *values);
+static void gdk_directfb_gc_set_values (GdkGC           *gc,
+                                        GdkGCValues     *values,
+                                        GdkGCValuesMask  values_mask);
+static void gdk_directfb_gc_set_dashes (GdkGC           *gc,
+                                        gint             dash_offset,
+                                        gint8            dash_list[],
+                                        gint             n);
+
+static void gdk_gc_directfb_class_init (GdkGCDirectFBClass *klass);
+static void gdk_gc_directfb_finalize   (GObject            *object);
+
+
+static gpointer parent_class = NULL;
+
+
+GType
+gdk_gc_directfb_get_type (void)
+{
+  static GType object_type = 0;
+
+  if (!object_type)
+    {
+      static const GTypeInfo object_info =
+      {
+        sizeof (GdkGCDirectFBClass),
+        (GBaseInitFunc) NULL,
+        (GBaseFinalizeFunc) NULL,
+        (GClassInitFunc) gdk_gc_directfb_class_init,
+        NULL,           /* class_finalize */
+        NULL,           /* class_data */
+        sizeof (GdkGCDirectFB),
+        0,              /* n_preallocs */
+        (GInstanceInitFunc) NULL,
+      };
+
+      object_type = g_type_register_static (GDK_TYPE_GC,
+                                            "GdkGCDirectFB",
+                                            &object_info, 0);
+    }
+
+  return object_type;
+}
+
+static void
+gdk_gc_directfb_class_init (GdkGCDirectFBClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GdkGCClass   *gc_class     = GDK_GC_CLASS (klass);
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  object_class->finalize = gdk_gc_directfb_finalize;
+
+  gc_class->get_values = gdk_directfb_gc_get_values;
+  gc_class->set_values = gdk_directfb_gc_set_values;
+  gc_class->set_dashes = gdk_directfb_gc_set_dashes;
+}
+
+static void
+gdk_gc_directfb_finalize (GObject *object)
+{
+  GdkGC         *gc      = GDK_GC (object);
+  GdkGCDirectFB *private = GDK_GC_DIRECTFB (gc);
+
+  if (private->clip_region)
+    gdk_region_destroy (private->clip_region);
+  if (private->values.clip_mask)
+    g_object_unref (private->values.clip_mask);
+  if (private->values.stipple)
+    g_object_unref (private->values.stipple);
+  if (private->values.tile)
+    g_object_unref (private->values.tile);
+
+  if (G_OBJECT_CLASS (parent_class)->finalize)
+    G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+GdkGC*
+_gdk_directfb_gc_new (GdkDrawable     *drawable,
+                      GdkGCValues     *values,
+                      GdkGCValuesMask  values_mask)
+{
+  GdkGC         *gc;
+  GdkGCDirectFB *private;
+
+  g_return_val_if_fail (GDK_IS_DRAWABLE_IMPL_DIRECTFB (drawable), NULL);
+
+  gc = GDK_GC (g_object_new (gdk_gc_directfb_get_type (), NULL));
+
+  _gdk_gc_init (gc, drawable, values, values_mask);
+
+  private = GDK_GC_DIRECTFB (gc);
+#if 0
+  private->values.background.pixel = 0;
+  private->values.background.red   =
+  private->values.background.green =
+  private->values.background.blue  = 0;
+
+  private->values.foreground.pixel = 0;
+  private->values.foreground.red   =
+  private->values.foreground.green =
+  private->values.foreground.blue  = 0;
+#endif
+
+  private->values.cap_style = GDK_CAP_BUTT;
+
+  gdk_directfb_gc_set_values (gc, values, values_mask);
+
+  return gc;
+}
+
+static void
+gdk_directfb_gc_get_values (GdkGC       *gc,
+                            GdkGCValues *values)
+{
+  *values = GDK_GC_DIRECTFB (gc)->values;
+}
+
+#if 0
+void
+_gdk_windowing_gc_get_foreground (GdkGC    *gc,
+                                  GdkColor *color)
+{
+  GdkGCDirectFB *private;
+  private = GDK_GC_DIRECTFB (gc);
+  *color =private->values.foreground;
+
+
+}
+#endif
+
+static void
+gdk_directfb_gc_set_values (GdkGC           *gc,
+                            GdkGCValues     *values,
+                            GdkGCValuesMask  values_mask)
+{
+  GdkGCDirectFB *private = GDK_GC_DIRECTFB (gc);
+
+  if (values_mask & GDK_GC_FOREGROUND)
+    {
+      private->values.foreground = values->foreground;
+      private->values_mask |= GDK_GC_FOREGROUND;
+    }
+
+  if (values_mask & GDK_GC_BACKGROUND)
+    {
+      private->values.background = values->background;
+      private->values_mask |= GDK_GC_BACKGROUND;
+    }
+
+  if (values_mask & GDK_GC_FONT)
+    {
+      GdkFont *oldf = private->values.font;
+
+      private->values.font = gdk_font_ref (values->font);
+      private->values_mask |= GDK_GC_FONT;
+
+      if (oldf)
+        gdk_font_unref (oldf);
+    }
+
+  if (values_mask & GDK_GC_FUNCTION)
+    {
+      private->values.function = values->function;
+      private->values_mask |= GDK_GC_FUNCTION;
+    }
+
+  if (values_mask & GDK_GC_FILL)
+    {
+      private->values.fill = values->fill;
+      private->values_mask |= GDK_GC_FILL;
+    }
+
+  if (values_mask & GDK_GC_TILE)
+    {
+      GdkPixmap *oldpm = private->values.tile;
+
+      if (values->tile)
+        g_assert (GDK_PIXMAP_OBJECT (values->tile)->depth > 1);
+
+      private->values.tile = values->tile ? g_object_ref (values->tile) : NULL;
+      private->values_mask |= GDK_GC_TILE;
+
+      if (oldpm)
+        g_object_unref (oldpm);
+    }
+
+  if (values_mask & GDK_GC_STIPPLE)
+    {
+      GdkPixmap *oldpm = private->values.stipple;
+
+      if (values->stipple)
+        g_assert (GDK_PIXMAP_OBJECT (values->stipple)->depth == 1);
+
+      private->values.stipple = (values->stipple ?
+                                 g_object_ref (values->stipple) : NULL);
+      private->values_mask |= GDK_GC_STIPPLE;
+
+      if (oldpm)
+        g_object_unref (oldpm);
+    }
+
+  if (values_mask & GDK_GC_CLIP_MASK)
+    {
+      GdkPixmap *oldpm = private->values.clip_mask;
+
+      private->values.clip_mask = (values->clip_mask ?
+                                   g_object_ref (values->clip_mask) : NULL);
+      private->values_mask |= GDK_GC_CLIP_MASK;
+
+      if (oldpm)
+        g_object_unref (oldpm);
+
+      if (private->clip_region)
+        {
+          gdk_region_destroy (private->clip_region);
+          private->clip_region = NULL;
+        }
+    }
+
+  if (values_mask & GDK_GC_SUBWINDOW)
+    {
+      private->values.subwindow_mode = values->subwindow_mode;
+      private->values_mask |= GDK_GC_SUBWINDOW;
+    }
+
+  if (values_mask & GDK_GC_TS_X_ORIGIN)
+    {
+      private->values.ts_x_origin = values->ts_x_origin;
+      private->values_mask |= GDK_GC_TS_X_ORIGIN;
+    }
+
+  if (values_mask & GDK_GC_TS_Y_ORIGIN)
+    {
+      private->values.ts_y_origin = values->ts_y_origin;
+      private->values_mask |= GDK_GC_TS_Y_ORIGIN;
+    }
+
+  if (values_mask & GDK_GC_CLIP_X_ORIGIN)
+    {
+      private->values.clip_x_origin = GDK_GC (gc)->clip_x_origin = values->clip_x_origin;
+      private->values_mask |= GDK_GC_CLIP_X_ORIGIN;
+    }
+
+  if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
+    {
+      private->values.clip_y_origin = GDK_GC (gc)->clip_y_origin = values->clip_y_origin;
+      private->values_mask |= GDK_GC_CLIP_Y_ORIGIN;
+    }
+
+  if (values_mask & GDK_GC_EXPOSURES)
+    {
+      private->values.graphics_exposures = values->graphics_exposures;
+      private->values_mask |= GDK_GC_EXPOSURES;
+    }
+
+  if (values_mask & GDK_GC_LINE_WIDTH)
+    {
+      private->values.line_width = values->line_width;
+      private->values_mask |= GDK_GC_LINE_WIDTH;
+    }
+
+  if (values_mask & GDK_GC_LINE_STYLE)
+    {
+      private->values.line_style = values->line_style;
+      private->values_mask |= GDK_GC_LINE_STYLE;
+    }
+
+  if (values_mask & GDK_GC_CAP_STYLE)
+    {
+      private->values.cap_style = values->cap_style;
+      private->values_mask |= GDK_GC_CAP_STYLE;
+    }
+
+  if (values_mask & GDK_GC_JOIN_STYLE)
+    {
+      private->values.join_style = values->join_style;
+      private->values_mask |= GDK_GC_JOIN_STYLE;
+    }
+}
+
+static void
+gdk_directfb_gc_set_dashes (GdkGC *gc,
+                            gint   dash_offset,
+                            gint8  dash_list[],
+                            gint   n)
+{
+  g_warning ("gdk_directfb_gc_set_dashes not implemented");
+}
+
+static void
+gc_unset_clip_mask (GdkGC *gc)
+{
+  GdkGCDirectFB *data = GDK_GC_DIRECTFB (gc);
+
+  if (data->values.clip_mask)
+    {
+      g_object_unref (data->values.clip_mask);
+      data->values.clip_mask = NULL;
+      data->values_mask &= ~ GDK_GC_CLIP_MASK;
+    }
+}
+
+
+void
+_gdk_windowing_gc_set_clip_region (GdkGC     *gc,
+                        GdkRegion *region)
+{
+  GdkGCDirectFB *data;
+
+  g_return_if_fail (gc != NULL);
+
+  data = GDK_GC_DIRECTFB (gc);
+
+  if (region == data->clip_region)
+    return;
+
+  if (data->clip_region)
+    {
+      gdk_region_destroy (data->clip_region);
+      data->clip_region = NULL;
+    }
+
+  if (region)
+    data->clip_region = gdk_region_copy (region);
+
+  gc->clip_x_origin = 0;
+  gc->clip_y_origin = 0;
+  data->values.clip_x_origin = 0;
+  data->values.clip_y_origin = 0;
+
+  gc_unset_clip_mask (gc);
+}
+
+void
+_gdk_windowing_gc_copy (GdkGC *dst_gc,
+             GdkGC *src_gc)
+{
+  GdkGCDirectFB *dst_private;
+
+  g_return_if_fail (dst_gc != NULL);
+  g_return_if_fail (src_gc != NULL);
+
+  dst_private = GDK_GC_DIRECTFB (dst_gc);
+
+  if (dst_private->clip_region)
+    gdk_region_destroy(dst_private->clip_region);
+
+  if (dst_private->values_mask & GDK_GC_FONT)
+    gdk_font_unref (dst_private->values.font);
+  if (dst_private->values_mask & GDK_GC_TILE)
+    g_object_unref (dst_private->values.tile);
+  if (dst_private->values_mask & GDK_GC_STIPPLE)
+    g_object_unref (dst_private->values.stipple);
+  if (dst_private->values_mask & GDK_GC_CLIP_MASK)
+    g_object_unref (dst_private->values.clip_mask);
+
+  *dst_gc = *src_gc;
+  if (dst_private->values_mask & GDK_GC_FONT)
+    gdk_font_ref (dst_private->values.font);
+  if (dst_private->values_mask & GDK_GC_TILE)
+    g_object_ref (dst_private->values.tile);
+  if (dst_private->values_mask & GDK_GC_STIPPLE)
+    g_object_ref (dst_private->values.stipple);
+  if (dst_private->values_mask & GDK_GC_CLIP_MASK)
+    g_object_ref (dst_private->values.clip_mask);
+  if (dst_private->clip_region)
+    dst_private->clip_region = gdk_region_copy (dst_private->clip_region);
+}
+
+/**
+ * gdk_gc_get_screen:
+ * @gc: a #GdkGC.
+ *
+ * Gets the #GdkScreen for which @gc was created
+ *
+ * Returns: the #GdkScreen for @gc.
+ *
+ * Since: 2.2
+ */
+GdkScreen *  
+gdk_gc_get_screen (GdkGC *gc)
+{
+  g_return_val_if_fail (GDK_IS_GC_DIRECTFB (gc), NULL);
+  
+  return _gdk_screen;
+}
+#define __GDK_GC_X11_C__
+#include "gdkaliasdef.c"