/* GDK - The GIMP Drawing Kit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 * Copyright (C) 1998-1999 Tor Lillqvist

 *

 * 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 <stdlib.h>

#include <string.h>

#include "gdkdirectfb.h"

#include "gdkprivate-directfb.h"

#include "gdkinternals.h"

#include "gdkpixmap.h"

#include "gdkalias.h"

static void gdk_pixmap_impl_directfb_init       (GdkPixmapImplDirectFB      *pixmap);

static void gdk_pixmap_impl_directfb_class_init (GdkPixmapImplDirectFBClass *klass);

static void gdk_pixmap_impl_directfb_finalize   (GObject                    *object);

static gpointer parent_class = NULL;

G_DEFINE_TYPE (GdkPixmapImplDirectFB,

               gdk_pixmap_impl_directfb,

               GDK_TYPE_DRAWABLE_IMPL_DIRECTFB);

GType

_gdk_pixmap_impl_get_type (void)

{

  return gdk_pixmap_impl_directfb_get_type ();

}

static void

gdk_pixmap_impl_directfb_init (GdkPixmapImplDirectFB *impl)

{

  GdkDrawableImplDirectFB *draw_impl = GDK_DRAWABLE_IMPL_DIRECTFB (impl);

  draw_impl->width  = 1;

  draw_impl->height = 1;

}

static void

gdk_pixmap_impl_directfb_class_init (GdkPixmapImplDirectFBClass *klass)

{

  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  parent_class = g_type_class_peek_parent (klass);

  object_class->finalize = gdk_pixmap_impl_directfb_finalize;

}

static void

gdk_pixmap_impl_directfb_finalize (GObject *object)

{

  if (G_OBJECT_CLASS (parent_class)->finalize)

    G_OBJECT_CLASS (parent_class)->finalize (object);

}

GdkPixmap *

_gdk_pixmap_new (GdkDrawable *drawable,

                 gint       width,

                 gint       height,

                 gint       depth)

{

  DFBSurfacePixelFormat    format;

  IDirectFBSurface        *surface;

  GdkPixmap               *pixmap;

  GdkDrawableImplDirectFB *draw_impl;

  g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);

  g_return_val_if_fail (drawable != NULL || depth != -1, NULL);

  g_return_val_if_fail (width > 0 && height > 0, NULL);

  if (!drawable)

    drawable = _gdk_parent_root;

  if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))

    return NULL;

  GDK_NOTE (MISC, g_print ("gdk_pixmap_new: %dx%dx%d\n",

                           width, height, depth));

  if (depth == -1)

    depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));

  switch (depth)

    {

    case  1:

      format = DSPF_A8;

      break;

    case  8:

      format = DSPF_LUT8;

      break;

    case 15:

      format = DSPF_ARGB1555;

      break;

    case 16:

      format = DSPF_RGB16;

      break;

    case 24:

      format = DSPF_RGB24;

      break;

    case 32:

      format = DSPF_RGB32;

      break;

    default:

      g_message ("unimplemented %s for depth %d", G_STRFUNC, depth);

      return NULL;

    }

  if (!(surface =

	gdk_display_dfb_create_surface (_gdk_display, format, width, height))) {

    g_assert (surface != NULL);

    return NULL;

  }

  pixmap = g_object_new (gdk_pixmap_get_type (), NULL);

  draw_impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (pixmap)->impl);

  draw_impl->surface = surface;

  surface->Clear (surface, 0x0, 0x0, 0x0, 0x0);

  surface->GetSize (surface, &draw_impl->width, &draw_impl->height);

  surface->GetPixelFormat (surface, &draw_impl->format);

  draw_impl->abs_x = draw_impl->abs_y = 0;

  GDK_PIXMAP_OBJECT (pixmap)->depth = depth;

  return pixmap;

}

GdkPixmap *

_gdk_bitmap_create_from_data (GdkDrawable *drawable,

                              const gchar *data,

                              gint         width,

                              gint         height)

{

  GdkPixmap *pixmap;

  g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);

  g_return_val_if_fail (data != NULL, NULL);

  g_return_val_if_fail (width > 0 && height > 0, NULL);

  GDK_NOTE (MISC, g_print ("gdk_bitmap_create_from_data: %dx%d\n",

                           width, height));

  pixmap = gdk_pixmap_new (drawable, width, height, 1);

#define GET_PIXEL(data,pixel)                                           \

  ((data[(pixel / 8)] & (0x1 << ((pixel) % 8))) >> ((pixel) % 8))

  if (pixmap)

    {

      guchar *dst;

      gint    pitch;

      IDirectFBSurface *surface;

      surface = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (pixmap)->impl)->surface;

      if (surface->Lock (surface, DSLF_WRITE, (void**)(&dst), &pitch) == DFB_OK)

        {

          gint i, j;

          for (i = 0; i < height; i++)

            {

	      for (j = 0; j < width; j++)

		{

		  dst[j] = GET_PIXEL (data, j) * 255;

		}

              data += (width + 7) / 8;

	      dst += pitch;

            }

          surface->Unlock (surface);

        }

    }

#undef GET_PIXEL

  return pixmap;

}

GdkPixmap *

_gdk_pixmap_create_from_data (GdkDrawable    *drawable,

                              const gchar    *data,

                              gint            width,

                              gint            height,

                              gint            depth,

                              const GdkColor *fg,

                              const GdkColor *bg)

{

  GdkPixmap *pixmap;

  g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);

  g_return_val_if_fail (data != NULL, NULL);

  g_return_val_if_fail (drawable != NULL || depth > 0, NULL);

  g_return_val_if_fail (width > 0 && height > 0, NULL);

  GDK_NOTE (MISC, g_print ("gdk_pixmap_create_from_data: %dx%dx%d\n",

                           width, height, depth));

  pixmap = gdk_pixmap_new (drawable, width, height, depth);

  if (pixmap)

    {

      IDirectFBSurface *surface;

      gchar            *dst;

      gint              pitch;

      gint              src_pitch;

      depth = gdk_drawable_get_depth (pixmap);

      src_pitch = width * ((depth + 7) / 8);

      surface = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (pixmap)->impl)->surface;

      if (surface->Lock (surface,

                         DSLF_WRITE, (void**)(&dst), &pitch) == DFB_OK)

        {

          gint i;

          for (i = 0; i < height; i++)

            {

              memcpy (dst, data, src_pitch);

              dst += pitch;

              data += src_pitch;

            }

          surface->Unlock (surface);

        }

    }

  return pixmap;

}

GdkPixmap *

gdk_pixmap_foreign_new (GdkNativeWindow anid)

{

  g_warning (" gdk_pixmap_foreign_new unsuporrted \n");

  return NULL;

}

GdkPixmap *

gdk_pixmap_foreign_new_for_display (GdkDisplay *display, GdkNativeWindow anid)

{

  return gdk_pixmap_foreign_new (anid);

}

GdkPixmap *

gdk_pixmap_foreign_new_for_screen (GdkScreen       *screen,

                                   GdkNativeWindow  anid,

                                   gint             width,

                                   gint             height,

                                   gint             depth)

{

  /*Use the root drawable for now since only one screen */

  return gdk_pixmap_new (NULL, width, height, depth);

}

GdkPixmap *

gdk_pixmap_lookup (GdkNativeWindow anid)

{

  g_warning (" gdk_pixmap_lookup unsuporrted \n");

  return NULL;

}

GdkPixmap *

gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)

{

  return gdk_pixmap_lookup (anid);

}

#define __GDK_PIXMAP_X11_C__

#include "gdkaliasdef.c"