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gtk/gdk/directfb/gdkcursor-directfb.c
André Draszik 12edc32d95 gdk/directfb: cursor size is artificially limited 
Cursor sizes in DirectFB can be large (4095x4095), limit to 128x128
though, because the x11 backend has this limit, too - for max.
compatibility.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=609201

Signed-off-by: Javier Jardón <jjardon@gnome.org>
2010-02-07 20:12:43 +01:00

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/* 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 convergence GmbH
* Written by Denis Oliver Kropp <dok@convergence.de> and
* Sven Neumann <sven@convergence.de>
*/
#include "config.h"
#include "gdk.h"
#include "gdkdirectfb.h"
#include "gdkprivate-directfb.h"
#include "gdkcursor.h"
#include "gdkalias.h"
#include "x-cursors.xbm"
#include <directfb_version.h>
static struct {
const guchar *bits;
int width, height, hotx, hoty;
GdkCursor *cursor;
} stock_cursors[] = {
{X_cursor_bits, X_cursor_width, X_cursor_height, X_cursor_x_hot, X_cursor_y_hot},
{X_cursor_mask_bits, X_cursor_mask_width, X_cursor_mask_height, X_cursor_mask_x_hot, X_cursor_mask_y_hot},
{arrow_bits, arrow_width, arrow_height, arrow_x_hot, arrow_y_hot},
{arrow_mask_bits, arrow_mask_width, arrow_mask_height, arrow_mask_x_hot, arrow_mask_y_hot},
{based_arrow_down_bits, based_arrow_down_width, based_arrow_down_height, based_arrow_down_x_hot, based_arrow_down_y_hot},
{based_arrow_down_mask_bits, based_arrow_down_mask_width, based_arrow_down_mask_height, based_arrow_down_mask_x_hot, based_arrow_down_mask_y_hot},
{based_arrow_up_bits, based_arrow_up_width, based_arrow_up_height, based_arrow_up_x_hot, based_arrow_up_y_hot},
{based_arrow_up_mask_bits, based_arrow_up_mask_width, based_arrow_up_mask_height, based_arrow_up_mask_x_hot, based_arrow_up_mask_y_hot},
{boat_bits, boat_width, boat_height, boat_x_hot, boat_y_hot},
{boat_mask_bits, boat_mask_width, boat_mask_height, boat_mask_x_hot, boat_mask_y_hot},
{bogosity_bits, bogosity_width, bogosity_height, bogosity_x_hot, bogosity_y_hot},
{bogosity_mask_bits, bogosity_mask_width, bogosity_mask_height, bogosity_mask_x_hot, bogosity_mask_y_hot},
{bottom_left_corner_bits, bottom_left_corner_width, bottom_left_corner_height, bottom_left_corner_x_hot, bottom_left_corner_y_hot},
{bottom_left_corner_mask_bits, bottom_left_corner_mask_width, bottom_left_corner_mask_height, bottom_left_corner_mask_x_hot, bottom_left_corner_mask_y_hot},
{bottom_right_corner_bits, bottom_right_corner_width, bottom_right_corner_height, bottom_right_corner_x_hot, bottom_right_corner_y_hot},
{bottom_right_corner_mask_bits, bottom_right_corner_mask_width, bottom_right_corner_mask_height, bottom_right_corner_mask_x_hot, bottom_right_corner_mask_y_hot},
{bottom_side_bits, bottom_side_width, bottom_side_height, bottom_side_x_hot, bottom_side_y_hot},
{bottom_side_mask_bits, bottom_side_mask_width, bottom_side_mask_height, bottom_side_mask_x_hot, bottom_side_mask_y_hot},
{bottom_tee_bits, bottom_tee_width, bottom_tee_height, bottom_tee_x_hot, bottom_tee_y_hot},
{bottom_tee_mask_bits, bottom_tee_mask_width, bottom_tee_mask_height, bottom_tee_mask_x_hot, bottom_tee_mask_y_hot},
{box_spiral_bits, box_spiral_width, box_spiral_height, box_spiral_x_hot, box_spiral_y_hot},
{box_spiral_mask_bits, box_spiral_mask_width, box_spiral_mask_height, box_spiral_mask_x_hot, box_spiral_mask_y_hot},
{center_ptr_bits, center_ptr_width, center_ptr_height, center_ptr_x_hot, center_ptr_y_hot},
{center_ptr_mask_bits, center_ptr_mask_width, center_ptr_mask_height, center_ptr_mask_x_hot, center_ptr_mask_y_hot},
{circle_bits, circle_width, circle_height, circle_x_hot, circle_y_hot},
{circle_mask_bits, circle_mask_width, circle_mask_height, circle_mask_x_hot, circle_mask_y_hot},
{clock_bits, clock_width, clock_height, clock_x_hot, clock_y_hot},
{clock_mask_bits, clock_mask_width, clock_mask_height, clock_mask_x_hot, clock_mask_y_hot},
{coffee_mug_bits, coffee_mug_width, coffee_mug_height, coffee_mug_x_hot, coffee_mug_y_hot},
{coffee_mug_mask_bits, coffee_mug_mask_width, coffee_mug_mask_height, coffee_mug_mask_x_hot, coffee_mug_mask_y_hot},
{cross_bits, cross_width, cross_height, cross_x_hot, cross_y_hot},
{cross_mask_bits, cross_mask_width, cross_mask_height, cross_mask_x_hot, cross_mask_y_hot},
{cross_reverse_bits, cross_reverse_width, cross_reverse_height, cross_reverse_x_hot, cross_reverse_y_hot},
{cross_reverse_mask_bits, cross_reverse_mask_width, cross_reverse_mask_height, cross_reverse_mask_x_hot, cross_reverse_mask_y_hot},
{crosshair_bits, crosshair_width, crosshair_height, crosshair_x_hot, crosshair_y_hot},
{crosshair_mask_bits, crosshair_mask_width, crosshair_mask_height, crosshair_mask_x_hot, crosshair_mask_y_hot},
{diamond_cross_bits, diamond_cross_width, diamond_cross_height, diamond_cross_x_hot, diamond_cross_y_hot},
{diamond_cross_mask_bits, diamond_cross_mask_width, diamond_cross_mask_height, diamond_cross_mask_x_hot, diamond_cross_mask_y_hot},
{dot_bits, dot_width, dot_height, dot_x_hot, dot_y_hot},
{dot_mask_bits, dot_mask_width, dot_mask_height, dot_mask_x_hot, dot_mask_y_hot},
{dotbox_bits, dotbox_width, dotbox_height, dotbox_x_hot, dotbox_y_hot},
{dotbox_mask_bits, dotbox_mask_width, dotbox_mask_height, dotbox_mask_x_hot, dotbox_mask_y_hot},
{double_arrow_bits, double_arrow_width, double_arrow_height, double_arrow_x_hot, double_arrow_y_hot},
{double_arrow_mask_bits, double_arrow_mask_width, double_arrow_mask_height, double_arrow_mask_x_hot, double_arrow_mask_y_hot},
{draft_large_bits, draft_large_width, draft_large_height, draft_large_x_hot, draft_large_y_hot},
{draft_large_mask_bits, draft_large_mask_width, draft_large_mask_height, draft_large_mask_x_hot, draft_large_mask_y_hot},
{draft_small_bits, draft_small_width, draft_small_height, draft_small_x_hot, draft_small_y_hot},
{draft_small_mask_bits, draft_small_mask_width, draft_small_mask_height, draft_small_mask_x_hot, draft_small_mask_y_hot},
{draped_box_bits, draped_box_width, draped_box_height, draped_box_x_hot, draped_box_y_hot},
{draped_box_mask_bits, draped_box_mask_width, draped_box_mask_height, draped_box_mask_x_hot, draped_box_mask_y_hot},
{exchange_bits, exchange_width, exchange_height, exchange_x_hot, exchange_y_hot},
{exchange_mask_bits, exchange_mask_width, exchange_mask_height, exchange_mask_x_hot, exchange_mask_y_hot},
{fleur_bits, fleur_width, fleur_height, fleur_x_hot, fleur_y_hot},
{fleur_mask_bits, fleur_mask_width, fleur_mask_height, fleur_mask_x_hot, fleur_mask_y_hot},
{gobbler_bits, gobbler_width, gobbler_height, gobbler_x_hot, gobbler_y_hot},
{gobbler_mask_bits, gobbler_mask_width, gobbler_mask_height, gobbler_mask_x_hot, gobbler_mask_y_hot},
{gumby_bits, gumby_width, gumby_height, gumby_x_hot, gumby_y_hot},
{gumby_mask_bits, gumby_mask_width, gumby_mask_height, gumby_mask_x_hot, gumby_mask_y_hot},
{hand1_bits, hand1_width, hand1_height, hand1_x_hot, hand1_y_hot},
{hand1_mask_bits, hand1_mask_width, hand1_mask_height, hand1_mask_x_hot, hand1_mask_y_hot},
{hand2_bits, hand2_width, hand2_height, hand2_x_hot, hand2_y_hot},
{hand2_mask_bits, hand2_mask_width, hand2_mask_height, hand2_mask_x_hot, hand2_mask_y_hot},
{heart_bits, heart_width, heart_height, heart_x_hot, heart_y_hot},
{heart_mask_bits, heart_mask_width, heart_mask_height, heart_mask_x_hot, heart_mask_y_hot},
{icon_bits, icon_width, icon_height, icon_x_hot, icon_y_hot},
{icon_mask_bits, icon_mask_width, icon_mask_height, icon_mask_x_hot, icon_mask_y_hot},
{iron_cross_bits, iron_cross_width, iron_cross_height, iron_cross_x_hot, iron_cross_y_hot},
{iron_cross_mask_bits, iron_cross_mask_width, iron_cross_mask_height, iron_cross_mask_x_hot, iron_cross_mask_y_hot},
{left_ptr_bits, left_ptr_width, left_ptr_height, left_ptr_x_hot, left_ptr_y_hot},
{left_ptr_mask_bits, left_ptr_mask_width, left_ptr_mask_height, left_ptr_mask_x_hot, left_ptr_mask_y_hot},
{left_side_bits, left_side_width, left_side_height, left_side_x_hot, left_side_y_hot},
{left_side_mask_bits, left_side_mask_width, left_side_mask_height, left_side_mask_x_hot, left_side_mask_y_hot},
{left_tee_bits, left_tee_width, left_tee_height, left_tee_x_hot, left_tee_y_hot},
{left_tee_mask_bits, left_tee_mask_width, left_tee_mask_height, left_tee_mask_x_hot, left_tee_mask_y_hot},
{leftbutton_bits, leftbutton_width, leftbutton_height, leftbutton_x_hot, leftbutton_y_hot},
{leftbutton_mask_bits, leftbutton_mask_width, leftbutton_mask_height, leftbutton_mask_x_hot, leftbutton_mask_y_hot},
{ll_angle_bits, ll_angle_width, ll_angle_height, ll_angle_x_hot, ll_angle_y_hot},
{ll_angle_mask_bits, ll_angle_mask_width, ll_angle_mask_height, ll_angle_mask_x_hot, ll_angle_mask_y_hot},
{lr_angle_bits, lr_angle_width, lr_angle_height, lr_angle_x_hot, lr_angle_y_hot},
{lr_angle_mask_bits, lr_angle_mask_width, lr_angle_mask_height, lr_angle_mask_x_hot, lr_angle_mask_y_hot},
{man_bits, man_width, man_height, man_x_hot, man_y_hot},
{man_mask_bits, man_mask_width, man_mask_height, man_mask_x_hot, man_mask_y_hot},
{middlebutton_bits, middlebutton_width, middlebutton_height, middlebutton_x_hot, middlebutton_y_hot},
{middlebutton_mask_bits, middlebutton_mask_width, middlebutton_mask_height, middlebutton_mask_x_hot, middlebutton_mask_y_hot},
{mouse_bits, mouse_width, mouse_height, mouse_x_hot, mouse_y_hot},
{mouse_mask_bits, mouse_mask_width, mouse_mask_height, mouse_mask_x_hot, mouse_mask_y_hot},
{pencil_bits, pencil_width, pencil_height, pencil_x_hot, pencil_y_hot},
{pencil_mask_bits, pencil_mask_width, pencil_mask_height, pencil_mask_x_hot, pencil_mask_y_hot},
{pirate_bits, pirate_width, pirate_height, pirate_x_hot, pirate_y_hot},
{pirate_mask_bits, pirate_mask_width, pirate_mask_height, pirate_mask_x_hot, pirate_mask_y_hot},
{plus_bits, plus_width, plus_height, plus_x_hot, plus_y_hot},
{plus_mask_bits, plus_mask_width, plus_mask_height, plus_mask_x_hot, plus_mask_y_hot},
{question_arrow_bits, question_arrow_width, question_arrow_height, question_arrow_x_hot, question_arrow_y_hot},
{question_arrow_mask_bits, question_arrow_mask_width, question_arrow_mask_height, question_arrow_mask_x_hot, question_arrow_mask_y_hot},
{right_ptr_bits, right_ptr_width, right_ptr_height, right_ptr_x_hot, right_ptr_y_hot},
{right_ptr_mask_bits, right_ptr_mask_width, right_ptr_mask_height, right_ptr_mask_x_hot, right_ptr_mask_y_hot},
{right_side_bits, right_side_width, right_side_height, right_side_x_hot, right_side_y_hot},
{right_side_mask_bits, right_side_mask_width, right_side_mask_height, right_side_mask_x_hot, right_side_mask_y_hot},
{right_tee_bits, right_tee_width, right_tee_height, right_tee_x_hot, right_tee_y_hot},
{right_tee_mask_bits, right_tee_mask_width, right_tee_mask_height, right_tee_mask_x_hot, right_tee_mask_y_hot},
{rightbutton_bits, rightbutton_width, rightbutton_height, rightbutton_x_hot, rightbutton_y_hot},
{rightbutton_mask_bits, rightbutton_mask_width, rightbutton_mask_height, rightbutton_mask_x_hot, rightbutton_mask_y_hot},
{rtl_logo_bits, rtl_logo_width, rtl_logo_height, rtl_logo_x_hot, rtl_logo_y_hot},
{rtl_logo_mask_bits, rtl_logo_mask_width, rtl_logo_mask_height, rtl_logo_mask_x_hot, rtl_logo_mask_y_hot},
{sailboat_bits, sailboat_width, sailboat_height, sailboat_x_hot, sailboat_y_hot},
{sailboat_mask_bits, sailboat_mask_width, sailboat_mask_height, sailboat_mask_x_hot, sailboat_mask_y_hot},
{sb_down_arrow_bits, sb_down_arrow_width, sb_down_arrow_height, sb_down_arrow_x_hot, sb_down_arrow_y_hot},
{sb_down_arrow_mask_bits, sb_down_arrow_mask_width, sb_down_arrow_mask_height, sb_down_arrow_mask_x_hot, sb_down_arrow_mask_y_hot},
{sb_h_double_arrow_bits, sb_h_double_arrow_width, sb_h_double_arrow_height, sb_h_double_arrow_x_hot, sb_h_double_arrow_y_hot},
{sb_h_double_arrow_mask_bits, sb_h_double_arrow_mask_width, sb_h_double_arrow_mask_height, sb_h_double_arrow_mask_x_hot, sb_h_double_arrow_mask_y_hot},
{sb_left_arrow_bits, sb_left_arrow_width, sb_left_arrow_height, sb_left_arrow_x_hot, sb_left_arrow_y_hot},
{sb_left_arrow_mask_bits, sb_left_arrow_mask_width, sb_left_arrow_mask_height, sb_left_arrow_mask_x_hot, sb_left_arrow_mask_y_hot},
{sb_right_arrow_bits, sb_right_arrow_width, sb_right_arrow_height, sb_right_arrow_x_hot, sb_right_arrow_y_hot},
{sb_right_arrow_mask_bits, sb_right_arrow_mask_width, sb_right_arrow_mask_height, sb_right_arrow_mask_x_hot, sb_right_arrow_mask_y_hot},
{sb_up_arrow_bits, sb_up_arrow_width, sb_up_arrow_height, sb_up_arrow_x_hot, sb_up_arrow_y_hot},
{sb_up_arrow_mask_bits, sb_up_arrow_mask_width, sb_up_arrow_mask_height, sb_up_arrow_mask_x_hot, sb_up_arrow_mask_y_hot},
{sb_v_double_arrow_bits, sb_v_double_arrow_width, sb_v_double_arrow_height, sb_v_double_arrow_x_hot, sb_v_double_arrow_y_hot},
{sb_v_double_arrow_mask_bits, sb_v_double_arrow_mask_width, sb_v_double_arrow_mask_height, sb_v_double_arrow_mask_x_hot, sb_v_double_arrow_mask_y_hot},
{shuttle_bits, shuttle_width, shuttle_height, shuttle_x_hot, shuttle_y_hot},
{shuttle_mask_bits, shuttle_mask_width, shuttle_mask_height, shuttle_mask_x_hot, shuttle_mask_y_hot},
{sizing_bits, sizing_width, sizing_height, sizing_x_hot, sizing_y_hot},
{sizing_mask_bits, sizing_mask_width, sizing_mask_height, sizing_mask_x_hot, sizing_mask_y_hot},
{spider_bits, spider_width, spider_height, spider_x_hot, spider_y_hot},
{spider_mask_bits, spider_mask_width, spider_mask_height, spider_mask_x_hot, spider_mask_y_hot},
{spraycan_bits, spraycan_width, spraycan_height, spraycan_x_hot, spraycan_y_hot},
{spraycan_mask_bits, spraycan_mask_width, spraycan_mask_height, spraycan_mask_x_hot, spraycan_mask_y_hot},
{star_bits, star_width, star_height, star_x_hot, star_y_hot},
{star_mask_bits, star_mask_width, star_mask_height, star_mask_x_hot, star_mask_y_hot},
{target_bits, target_width, target_height, target_x_hot, target_y_hot},
{target_mask_bits, target_mask_width, target_mask_height, target_mask_x_hot, target_mask_y_hot},
{tcross_bits, tcross_width, tcross_height, tcross_x_hot, tcross_y_hot},
{tcross_mask_bits, tcross_mask_width, tcross_mask_height, tcross_mask_x_hot, tcross_mask_y_hot},
{top_left_arrow_bits, top_left_arrow_width, top_left_arrow_height, top_left_arrow_x_hot, top_left_arrow_y_hot},
{top_left_arrow_mask_bits, top_left_arrow_mask_width, top_left_arrow_mask_height, top_left_arrow_mask_x_hot, top_left_arrow_mask_y_hot},
{top_left_corner_bits, top_left_corner_width, top_left_corner_height, top_left_corner_x_hot, top_left_corner_y_hot},
{top_left_corner_mask_bits, top_left_corner_mask_width, top_left_corner_mask_height, top_left_corner_mask_x_hot, top_left_corner_mask_y_hot},
{top_right_corner_bits, top_right_corner_width, top_right_corner_height, top_right_corner_x_hot, top_right_corner_y_hot},
{top_right_corner_mask_bits, top_right_corner_mask_width, top_right_corner_mask_height, top_right_corner_mask_x_hot, top_right_corner_mask_y_hot},
{top_side_bits, top_side_width, top_side_height, top_side_x_hot, top_side_y_hot},
{top_side_mask_bits, top_side_mask_width, top_side_mask_height, top_side_mask_x_hot, top_side_mask_y_hot},
{top_tee_bits, top_tee_width, top_tee_height, top_tee_x_hot, top_tee_y_hot},
{top_tee_mask_bits, top_tee_mask_width, top_tee_mask_height, top_tee_mask_x_hot, top_tee_mask_y_hot},
{trek_bits, trek_width, trek_height, trek_x_hot, trek_y_hot},
{trek_mask_bits, trek_mask_width, trek_mask_height, trek_mask_x_hot, trek_mask_y_hot},
{ul_angle_bits, ul_angle_width, ul_angle_height, ul_angle_x_hot, ul_angle_y_hot},
{ul_angle_mask_bits, ul_angle_mask_width, ul_angle_mask_height, ul_angle_mask_x_hot, ul_angle_mask_y_hot},
{umbrella_bits, umbrella_width, umbrella_height, umbrella_x_hot, umbrella_y_hot},
{umbrella_mask_bits, umbrella_mask_width, umbrella_mask_height, umbrella_mask_x_hot, umbrella_mask_y_hot},
{ur_angle_bits, ur_angle_width, ur_angle_height, ur_angle_x_hot, ur_angle_y_hot},
{ur_angle_mask_bits, ur_angle_mask_width, ur_angle_mask_height, ur_angle_mask_x_hot, ur_angle_mask_y_hot},
{watch_bits, watch_width, watch_height, watch_x_hot, watch_y_hot},
{watch_mask_bits, watch_mask_width, watch_mask_height, watch_mask_x_hot, watch_mask_y_hot},
{xterm_bits, xterm_width, xterm_height, xterm_x_hot, xterm_y_hot},
{xterm_mask_bits, xterm_mask_width, xterm_mask_height, xterm_mask_x_hot, xterm_mask_y_hot}
};
GdkCursor *
gdk_cursor_new_for_display (GdkDisplay *display,GdkCursorType cursor_type)
{
GdkCursor *cursor;
GdkDisplayDFB *dfb_display = GDK_DISPLAY_DFB(display);
if (cursor_type >= sizeof(stock_cursors)/sizeof(stock_cursors[0]))
return NULL;
cursor = stock_cursors[cursor_type].cursor;
if (!cursor)
{
GdkCursorDirectFB *private;
DFBResult ret;
IDirectFBSurface *temp;
IDirectFBSurface *shape;
int width = stock_cursors[cursor_type+1].width;
int height = stock_cursors[cursor_type+1].height;
temp =gdk_display_dfb_create_surface(dfb_display,DSPF_ARGB,width,height);
if (!temp)
{
return NULL;
}
else
{
u32 *dst;
int pitch;
ret = temp->Lock (temp, DSLF_WRITE, (void**)&dst, &pitch);
if (ret)
{
DirectFBError ("gdkcursor-directfb.c (gdk_cursor_new): "
"temp->Lock", ret);
temp->Release (temp);
return NULL;
}
else
{
gint x, y;
gint mx, my;
gint p = ((stock_cursors[cursor_type].width + 7) / 8) * 8;
gint mp = ((stock_cursors[cursor_type+1].width + 7) / 8) * 8;
const guchar *src;
const guchar *mask;
pitch >>= 2;
src = stock_cursors[cursor_type].bits;
mask = stock_cursors[cursor_type+1].bits;
mx = stock_cursors[cursor_type+1].hotx - stock_cursors[cursor_type].hotx;
my = stock_cursors[cursor_type+1].hoty - stock_cursors[cursor_type].hoty;
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
gint bit = x-mx + (y-my) * p;
gint mbit = x + y * mp;
u32 color = (x-mx < 0 || y-my < 0 ||
x-mx >= stock_cursors[cursor_type].width ||
y-my >= stock_cursors[cursor_type].height)
? 0x00FFFFFF : (src[bit/8] & (1 << bit%8) ? 0 : 0x00FFFFFF);
u8 a = color ? 0xE0 : 0xFF;
u32 alpha = mask[mbit/8] & (1 << mbit%8) ? (a << 24) : 0;
dst[x + y*pitch] = alpha | color;
}
}
temp->Unlock (temp);
}
}
width += 2;
height += 2;
shape=gdk_display_dfb_create_surface(dfb_display,DSPF_ARGB,width,height);
if( !shape ) {
temp->Release(temp);
return NULL;
}
shape->Clear (shape, 0x80, 0x80, 0x80, 0);
shape->SetBlittingFlags (shape, (DSBLIT_BLEND_COLORALPHA |
DSBLIT_BLEND_ALPHACHANNEL));
shape->SetColor (shape, 0, 0, 0, 0x30);
shape->Blit (shape, temp, NULL, 0, 0);
shape->Blit (shape, temp, NULL, 0, 2);
shape->Blit (shape, temp, NULL, 2, 0);
shape->Blit (shape, temp, NULL, 2, 2);
shape->SetColor (shape, 0, 0, 0, 0xA0);
shape->Blit (shape, temp, NULL, 1, 0);
shape->Blit (shape, temp, NULL, 0, 1);
shape->Blit (shape, temp, NULL, 2, 1);
shape->Blit (shape, temp, NULL, 1, 2);
shape->SetColor (shape, 0, 0, 0, 0xE0);
shape->Blit (shape, temp, NULL, 1, 1);
temp->Release (temp);
private = g_new0 (GdkCursorDirectFB, 1);
cursor = (GdkCursor *) private;
cursor->type = GDK_CURSOR_IS_PIXMAP;
cursor->ref_count = 1;
private->shape = shape;
private->hot_x = stock_cursors[cursor_type].hotx;
private->hot_y = stock_cursors[cursor_type].hoty;
stock_cursors[cursor_type].cursor = cursor;
}
return gdk_cursor_ref (cursor);
}
GdkCursor *
gdk_cursor_new_from_pixmap (GdkPixmap *source,
GdkPixmap *mask,
const GdkColor *fg,
const GdkColor *bg,
gint x,
gint y)
{
GdkCursor *cursor;
GdkCursorDirectFB *private;
GdkDrawableImplDirectFB *impl;
GdkDrawableImplDirectFB *mask_impl;
IDirectFBSurface *shape;
g_return_val_if_fail (GDK_IS_PIXMAP (source), NULL);
g_return_val_if_fail (GDK_IS_PIXMAP (mask), NULL);
impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (source)->impl);
mask_impl = GDK_DRAWABLE_IMPL_DIRECTFB (GDK_PIXMAP_OBJECT (mask)->impl);
int width = impl->width;
int height = impl->height;
shape=gdk_display_dfb_create_surface(_gdk_display,DSPF_ARGB,width,height);
if (!shape)
{
return NULL;
}
/*
* The following code assumes that pixmap and mask are A8 surfaces
* that correspond to X11 bitmaps. This is the traditional usage of
* gdk_cursor_new_from_pixmap(). For GTK+-DirectFB it might make
* sense to allow arbitrary ARGB cursors.
*/
shape->Clear (shape, bg->red >> 8, bg->green >> 8, bg->blue >> 8, 0xFF);
shape->SetColor (shape, fg->red >> 8, fg->green >> 8, fg->blue >> 8, 0xFF);
shape->SetBlittingFlags (shape,
DSBLIT_BLEND_ALPHACHANNEL | DSBLIT_COLORIZE);
shape->Blit (shape, impl->surface, NULL, 0, 0);
shape->SetPorterDuff (shape, DSPD_DST_IN);
shape->Blit (shape, mask_impl->surface, NULL, 0, 0);
shape->SetBlittingFlags (shape, DSBLIT_NOFX);
shape->SetPorterDuff (shape, DSPD_NONE);
private = g_new (GdkCursorDirectFB, 1);
cursor = (GdkCursor *) private;
cursor->type = GDK_CURSOR_IS_PIXMAP;
cursor->ref_count = 1;
private->shape = shape;
private->hot_x = x;
private->hot_y = y;
return cursor;
}
GdkCursor *
gdk_cursor_new_from_pixbuf (GdkDisplay *display,
GdkPixbuf *pixbuf,
gint x,
gint y)
{
GdkPixmap *pixmap, *mask;
GdkCursor *cursor;
gint width, height, depth = 8;
GdkVisual* visual;
/* FIXME: this is not the right way to set colours */
GdkColor fg = { 0, 65535, 65535, 65535 };
GdkColor bg = { 0, 65535, 65535, 65535 };
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
g_return_val_if_fail (0 <= x && x < gdk_pixbuf_get_width (pixbuf), NULL);
g_return_val_if_fail (0 <= y && y < gdk_pixbuf_get_height (pixbuf), NULL);
width = gdk_pixbuf_get_width(pixbuf);
height = gdk_pixbuf_get_height(pixbuf);
pixmap = gdk_pixmap_new ( NULL, width, height, depth);
mask = gdk_pixmap_new ( NULL, width, height, 1);
visual = gdk_rgb_get_visual ();
depth = visual->depth;
gdk_pixbuf_render_pixmap_and_mask (pixbuf, &pixmap, &mask, 0);
g_return_val_if_fail (GDK_IS_PIXMAP (pixmap), NULL);
g_return_val_if_fail (GDK_IS_PIXMAP (mask), NULL);
cursor = gdk_cursor_new_from_pixmap (pixmap, mask, &fg, &bg, x, y) ;
g_object_unref (pixmap);
g_object_unref (mask);
/* a cursor of type GDK_CURSOR_IS_PIXMAP is returned */
return cursor;
}
GdkCursor*
gdk_cursor_new_from_name (GdkDisplay *display,
const gchar *name)
{
GdkCursor *cursor;
GdkPixbuf *pixbuf;
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
pixbuf = gdk_pixbuf_new_from_file(name, NULL);
/* Prevents attempts to load stock X cursors from generating error messages */
if (pixbuf == NULL)
return NULL;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
cursor = gdk_cursor_new_from_pixbuf (display, pixbuf, 1, 1);
g_object_unref (pixbuf);
return cursor;
}
GdkPixbuf*
gdk_cursor_get_image (GdkCursor *cursor)
{
g_return_val_if_fail (cursor != NULL, NULL);
return NULL;
}
void
_gdk_cursor_destroy (GdkCursor *cursor)
{
GdkCursorDirectFB *private;
g_return_if_fail (cursor != NULL);
g_return_if_fail (cursor->ref_count == 0);
private = (GdkCursorDirectFB *) cursor;
private->shape->Release (private->shape);
g_free (private);
}
GdkDisplay *
gdk_cursor_get_display (GdkCursor *cursor)
{
return gdk_display_get_default ();
}
guint
gdk_display_get_default_cursor_size (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
return 16;
}
/**
* gdk_display_get_maximal_cursor_size:
* @display: a #GdkDisplay
* @width: the return location for the maximal cursor width
* @height: the return location for the maximal cursor height
*
* Gets the maximal size to use for cursors on @display.
*
* Since: 2.4
*/
void
gdk_display_get_maximal_cursor_size (GdkDisplay *display,
guint *width,
guint *height)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
/* Cursor sizes in DirectFB can be large (4095x4095), but we limit this to
128x128 for max compatibility with the x11 backend. */
*width = 128;
*height = 128;
}
/**
* gdk_display_supports_cursor_alpha:
* @display: a #GdkDisplay
*
* Returns %TRUE if cursors can use an 8bit alpha channel
* on @display. Otherwise, cursors are restricted to bilevel
* alpha (i.e. a mask).
*
* Returns: whether cursors can have alpha channels.
*
* Since: 2.4
*/
gboolean
gdk_display_supports_cursor_alpha (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
return TRUE;
}
gboolean
gdk_display_supports_cursor_color (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
return TRUE;
}
#define __GDK_CURSOR_X11_C__
#include "gdkaliasdef.c"
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