gtk2/gdk/linux-fb/gdkpixmap-fb.c
Alex Larsson 3b782bdb94 Better error messages.
2001-05-04  Alex Larsson  <alla@lysator.liu.se>

	* gdk/linux-fb/gdkcolor-fb.c:
	Better error messages.

	* gdk/linux-fb/gdkpixmap-fb.c (gdk_pixmap_new):
	Initialize abs_x and abs_y.

	* gdk/linux-fb/gdkrender-fb.c (gdk_fb_fill_span_generic):
	Correct handling of stipple offset.

	* gdk/linux-fb/gdkvisual-fb.c (gdk_visual_init):
	Treat directcolor framebuffers as truecolor.
2001-05-04 21:41:17 +00:00

202 lines
5.4 KiB
C

/* 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. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* Needed for SEEK_END in SunOS */
#include <unistd.h>
#include "gdkpixmap.h"
#include "gdkfb.h"
#include "gdkprivate-fb.h"
typedef struct
{
gchar *color_string;
GdkColor color;
gint transparent;
} _GdkPixmapColor;
typedef struct
{
guint ncolors;
GdkColormap *colormap;
gulong pixels[1];
} _GdkPixmapInfo;
static gpointer parent_class = NULL;
static void
gdk_pixmap_impl_fb_init (GdkPixmapFBData *impl)
{
GdkDrawableFBData *private = (GdkDrawableFBData *)impl;
private->window_type = GDK_DRAWABLE_PIXMAP;
private->colormap = gdk_colormap_ref (gdk_colormap_get_system());
private->mem = NULL;
private->width = 1;
private->height = 1;
}
static void
gdk_pixmap_impl_fb_finalize (GObject *object)
{
g_free (GDK_DRAWABLE_FBDATA (object)->mem);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gdk_pixmap_impl_fb_class_init (GdkPixmapFBClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
/* GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass); */
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_pixmap_impl_fb_finalize;
}
GType
_gdk_pixmap_impl_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (GdkPixmapFBClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_pixmap_impl_fb_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkPixmapFBData),
0, /* n_preallocs */
(GInstanceInitFunc) gdk_pixmap_impl_fb_init
};
object_type = g_type_register_static (gdk_drawable_impl_fb_get_type(),
"GdkPixmapFB",
&object_info,
0);
}
return object_type;
}
GdkPixmap*
gdk_pixmap_new (GdkWindow *window,
gint width,
gint height,
gint depth)
{
GdkPixmap *pixmap;
GdkDrawableFBData *private;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
if (!window)
window = gdk_parent_root;
if (depth == -1)
depth = gdk_drawable_get_visual (window)->depth;
pixmap = (GdkPixmap *)g_object_new (gdk_pixmap_get_type (), NULL);
private = GDK_DRAWABLE_IMPL_FBDATA (pixmap);
private->rowstride = (width * depth + 7) / 8; /* Round up to nearest whole byte */
private->mem = g_malloc (private->rowstride * height);
private->abs_x = 0;
private->abs_y = 0;
private->llim_x = 0;
private->llim_y = 0;
private->lim_x = width;
private->lim_y = height;
private->width = width;
private->height = height;
private->depth = ((GdkPixmapObject *)pixmap)->depth = depth;
return pixmap;
}
GdkPixmap *
gdk_bitmap_create_from_data (GdkWindow *window,
const gchar *data,
gint width,
gint height)
{
GdkPixmap *pixmap;
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
if (!window)
window = gdk_parent_root;
pixmap = gdk_pixmap_new (window, width, height, 1);
memcpy (GDK_DRAWABLE_IMPL_FBDATA (pixmap)->mem, data, ((width + 7) / 8) * height);
return pixmap;
}
GdkPixmap*
gdk_pixmap_create_from_data (GdkWindow *window,
const gchar *data,
gint width,
gint height,
gint depth,
GdkColor *fg,
GdkColor *bg)
{
GdkPixmap *pixmap;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (fg != NULL, NULL);
g_return_val_if_fail (bg != NULL, NULL);
g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
if (!window)
window = gdk_parent_root;
if (depth == -1)
depth = gdk_drawable_get_visual (window)->depth;
pixmap = gdk_pixmap_new (window, width, height, depth);
memcpy (GDK_DRAWABLE_IMPL_FBDATA (pixmap)->mem, data, height * GDK_DRAWABLE_IMPL_FBDATA (pixmap)->rowstride);
return pixmap;
}