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gimp/app/display/gimpdisplay-callbacks.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include "gdk/gdkkeysyms.h"
#include "appenv.h"
#include "bucket_fill.h"
#include "colormaps.h"
#include "cursorutil.h"
#include "devices.h"
#include "disp_callbacks.h"
#include "gdisplay.h"
#include "general.h"
#include "gimpcontext.h"
#include "gimprc.h"
#include "info_window.h"
#include "interface.h"
#include "layer_select.h"
#include "move.h"
#include "patterns.h"
#include "scale.h"
#include "scroll.h"
#include "tools.h"
#include "undo.h"
#include "gimage.h"
#include "dialog_handler.h"
#include "libgimp/gimpintl.h"
/* Function declarations */
static void gdisplay_check_device_cursor (GDisplay *gdisp);
static void
redraw (GDisplay *gdisp,
int x,
int y,
int w,
int h)
{
long x1, y1, x2, y2; /* coordinate of rectangle corners */
x1 = x;
y1 = y;
x2 = (x+w);
y2 = (y+h);
x1 = BOUNDS (x1, 0, gdisp->disp_width);
y1 = BOUNDS (y1, 0, gdisp->disp_height);
x2 = BOUNDS (x2, 0, gdisp->disp_width);
y2 = BOUNDS (y2, 0, gdisp->disp_height);
if ((x2 - x1) && (y2 - y1))
{
gdisplay_expose_area (gdisp, x1, y1, (x2 - x1), (y2 - y1));
gdisplay_flush_displays_only (gdisp);
}
}
static void
gdisplay_check_device_cursor (GDisplay *gdisp)
{
GList *list;
/* gdk_input_list_devices returns an internal list, so we shouldn't
free it afterwards */
for (list = gdk_input_list_devices(); list; list = g_list_next (list))
{
GdkDeviceInfo *info = (GdkDeviceInfo *) list->data;
if (info->deviceid == current_device)
{
gdisp->draw_cursor = !info->has_cursor;
break;
}
}
}
static int
key_to_state (int key)
{
switch (key)
{
case GDK_Alt_L: case GDK_Alt_R:
return GDK_MOD1_MASK;
case GDK_Shift_L: case GDK_Shift_R:
return GDK_SHIFT_MASK;
case GDK_Control_L: case GDK_Control_R:
return GDK_CONTROL_MASK;
default:
return 0;
}
}
gint
gdisplay_shell_events (GtkWidget *widget,
GdkEvent *event,
GDisplay *gdisp)
{
switch (event->type)
{
case GDK_BUTTON_PRESS:
case GDK_KEY_PRESS:
/* Setting the context's display automatically sets the image, too */
gimp_context_set_display (gimp_context_get_user (), gdisp);
break;
default:
break;
}
return FALSE;
}
gint
gdisplay_canvas_events (GtkWidget *canvas,
GdkEvent *event)
{
GDisplay *gdisp;
GdkEventExpose *eevent;
GdkEventMotion *mevent;
GdkEventButton *bevent;
GdkEventKey *kevent;
gdouble tx, ty;
guint state = 0;
gint return_val = FALSE;
static gboolean scrolled = FALSE;
static guint key_signal_id = 0;
int update_cursor = FALSE;
tx = ty = 0;
gdisp = (GDisplay *) gtk_object_get_user_data (GTK_OBJECT (canvas));
if (!canvas->window)
return FALSE;
/* If this is the first event... */
if (!gdisp->select)
{
/* create the selection object */
gdisp->select = selection_create (gdisp->canvas->window, gdisp,
gdisp->gimage->height,
gdisp->gimage->width, marching_speed);
gdisp->disp_width = gdisp->canvas->allocation.width;
gdisp->disp_height = gdisp->canvas->allocation.height;
/* create GC for scrolling */
gdisp->scroll_gc = gdk_gc_new (gdisp->canvas->window);
gdk_gc_set_exposures (gdisp->scroll_gc, TRUE);
/* set up the scrollbar observers */
gtk_signal_connect (GTK_OBJECT (gdisp->hsbdata), "value_changed",
(GtkSignalFunc) scrollbar_horz_update,
gdisp);
gtk_signal_connect (GTK_OBJECT (gdisp->vsbdata), "value_changed",
(GtkSignalFunc) scrollbar_vert_update,
gdisp);
/* setup scale properly */
setup_scale (gdisp);
}
/* Find out what device the event occurred upon */
if (devices_check_change (event))
gdisplay_check_device_cursor (gdisp);
switch (event->type)
{
case GDK_EXPOSE:
eevent = (GdkEventExpose *) event;
/*printf(" EXP:%d,%d(%dx%d) ",eevent->area.x, eevent->area.y,
eevent->area.width, eevent->area.height);fflush(stdout);*/
redraw (gdisp, eevent->area.x, eevent->area.y,
eevent->area.width, eevent->area.height);
break;
case GDK_CONFIGURE:
/*printf(" CNF ");fflush(stdout);*/
if ((gdisp->disp_width != gdisp->canvas->allocation.width) ||
(gdisp->disp_height != gdisp->canvas->allocation.height))
{
gdisp->disp_width = gdisp->canvas->allocation.width;
gdisp->disp_height = gdisp->canvas->allocation.height;
resize_display (gdisp, 0, FALSE);
}
break;
case GDK_LEAVE_NOTIFY:
gdisplay_update_cursor (gdisp, 0, 0);
gtk_label_set_text (GTK_LABEL (gdisp->cursor_label), "");
info_window_update_RGB (gdisp->window_info_dialog, -1, -1);
case GDK_PROXIMITY_OUT:
gdisp->proximity = FALSE;
break;
case GDK_ENTER_NOTIFY:
/* Actually, should figure out tx,ty here */
break;
case GDK_BUTTON_PRESS:
bevent = (GdkEventButton *) event;
state = bevent->state;
switch (bevent->button)
{
case 1:
state |= GDK_BUTTON1_MASK;
gtk_grab_add (canvas);
/* This is a hack to prevent other stuff being run in the middle of
a tool operation (like changing image types.... brrrr). We just
block all the keypress event. A better solution is to implement
some sort of locking for images.
Note that this is dependent on specific GTK behavior, and isn't
guaranteed to work in future versions of GTK.
-Yosh
*/
if (key_signal_id == 0)
key_signal_id = gtk_signal_connect (GTK_OBJECT (canvas),
"key_press_event",
GTK_SIGNAL_FUNC (gtk_true),
NULL);
if (active_tool && ((active_tool->type == MOVE) ||
!gimage_is_empty (gdisp->gimage)))
{
if (active_tool->auto_snap_to)
{
gdisplay_snap_point (gdisp, bevent->x, bevent->y, &tx, &ty);
bevent->x = tx;
bevent->y = ty;
update_cursor = TRUE;
}
/* reset the current tool if ... */
if ((/* it has no drawable */
! active_tool->drawable ||
/* or a drawable different from the current one */
(gimage_active_drawable (gdisp->gimage) !=
active_tool->drawable)) &&
/* and doesn't want to be preserved across drawable changes */
! active_tool->preserve)
{
tools_initialize (active_tool->type, gdisp);
}
/* otherwise set it's drawable if it has none */
else if (! active_tool->drawable)
{
active_tool->drawable = gimage_active_drawable (gdisp->gimage);
}
(* active_tool->button_press_func) (active_tool, bevent, gdisp);
}
break;
case 2:
state |= GDK_BUTTON2_MASK;
scrolled = TRUE;
gtk_grab_add (canvas);
start_grab_and_scroll (gdisp, bevent);
break;
case 3:
state |= GDK_BUTTON3_MASK;
gtk_menu_popup (GTK_MENU (gdisp->popup),
NULL, NULL, NULL, NULL, 3, bevent->time);
return_val = TRUE;
break;
/* wheelmouse support */
case 4:
state |= GDK_BUTTON4_MASK;
if (state & GDK_SHIFT_MASK)
{
change_scale (gdisp, ZOOMIN);
}
else
{
GtkAdjustment *adj =
(state & GDK_CONTROL_MASK) ? gdisp->hsbdata : gdisp->vsbdata;
gfloat new_value = adj->value - adj->page_increment / 2;
new_value =
CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
gtk_adjustment_set_value (adj, new_value);
}
return_val = TRUE;
break;
case 5:
state |= GDK_BUTTON5_MASK;
if (state & GDK_SHIFT_MASK)
{
change_scale (gdisp, ZOOMOUT);
}
else
{
GtkAdjustment *adj =
(state & GDK_CONTROL_MASK) ? gdisp->hsbdata : gdisp->vsbdata;
gfloat new_value = adj->value + adj->page_increment / 2;
new_value = CLAMP (new_value,
adj->lower, adj->upper - adj->page_size);
gtk_adjustment_set_value (adj, new_value);
}
return_val = TRUE;
break;
default:
break;
}
break;
case GDK_BUTTON_RELEASE:
bevent = (GdkEventButton *) event;
state = bevent->state;
switch (bevent->button)
{
case 1:
state &= ~GDK_BUTTON1_MASK;
/* Lame hack. See above */
if (key_signal_id)
{
gtk_signal_disconnect (GTK_OBJECT (canvas), key_signal_id);
key_signal_id = 0;
}
gtk_grab_remove (canvas);
gdk_pointer_ungrab (bevent->time); /* fixes pointer grab bug */
if (active_tool && ((active_tool->type == MOVE) ||
!gimage_is_empty (gdisp->gimage)))
{
if (active_tool->state == ACTIVE)
{
if (active_tool->auto_snap_to)
{
gdisplay_snap_point (gdisp, bevent->x, bevent->y, &tx, &ty);
bevent->x = tx;
bevent->y = ty;
update_cursor = TRUE;
}
(* active_tool->button_release_func) (active_tool, bevent,
gdisp);
}
}
break;
case 2:
state &= ~GDK_BUTTON2_MASK;
scrolled = FALSE;
gtk_grab_remove (canvas);
end_grab_and_scroll (gdisp, bevent);
break;
case 3:
state &= ~GDK_BUTTON3_MASK;
break;
/* wheelmouse support */
case 4:
state &= ~GDK_BUTTON4_MASK;
return_val = TRUE;
break;
case 5:
state &= ~GDK_BUTTON5_MASK;
return_val = TRUE;
break;
default:
break;
}
break;
case GDK_MOTION_NOTIFY:
mevent = (GdkEventMotion *) event;
state = mevent->state;
/* Ask for the pointer position, but ignore it except for cursor
* handling, so motion events sync with the button press/release events */
if (mevent->is_hint)
gdk_input_window_get_pointer (canvas->window, current_device, &tx, &ty,
#ifdef GTK_HAVE_SIX_VALUATORS
NULL, NULL, NULL, NULL, NULL);
#else /* !GTK_HAVE_SIX_VALUATORS */
NULL, NULL, NULL, NULL);
#endif /* GTK_HAVE_SIX_VALUATORS */
else
{
tx = mevent->x;
ty = mevent->y;
}
update_cursor = TRUE;
if (!gdisp->proximity)
{
gdisp->proximity = TRUE;
gdisplay_check_device_cursor (gdisp);
}
if (active_tool && ((active_tool->type == MOVE) ||
!gimage_is_empty (gdisp->gimage)) &&
(mevent->state & GDK_BUTTON1_MASK))
{
if (active_tool->state == ACTIVE)
{
/* if the first mouse button is down, check for automatic
* scrolling...
*/
if ((mevent->state & GDK_BUTTON1_MASK) && !active_tool->scroll_lock)
{
if (mevent->x < 0 || mevent->y < 0 ||
mevent->x > gdisp->disp_width ||
mevent->y > gdisp->disp_height)
scroll_to_pointer_position (gdisp, mevent);
}
if (active_tool->auto_snap_to)
{
gdisplay_snap_point (gdisp, mevent->x, mevent->y, &tx, &ty);
mevent->x = tx;
mevent->y = ty;
update_cursor = TRUE;
}
(* active_tool->motion_func) (active_tool, mevent, gdisp);
}
}
else if ((mevent->state & GDK_BUTTON2_MASK) && scrolled)
{
grab_and_scroll (gdisp, mevent);
}
break;
case GDK_KEY_PRESS:
kevent = (GdkEventKey *) event;
state = kevent->state;
switch (kevent->keyval)
{
case GDK_Left: case GDK_Right:
case GDK_Up: case GDK_Down:
if (active_tool && !gimage_is_empty (gdisp->gimage))
(* active_tool->arrow_keys_func) (active_tool, kevent, gdisp);
return_val = TRUE;
break;
case GDK_Tab:
if (kevent->state & GDK_MOD1_MASK && !gimage_is_empty (gdisp->gimage))
layer_select_init (gdisp->gimage, 1, kevent->time);
if (kevent->state & GDK_CONTROL_MASK && !gimage_is_empty (gdisp->gimage))
layer_select_init (gdisp->gimage, -1, kevent->time);
/* Hide or show all dialogs */
if (!kevent->state)
dialog_toggle();
return_val = TRUE;
break;
/* Update the state based on modifiers being pressed */
case GDK_Alt_L: case GDK_Alt_R:
case GDK_Shift_L: case GDK_Shift_R:
case GDK_Control_L: case GDK_Control_R:
state |= key_to_state(kevent->keyval);
/* For all modifier keys: call the tools modifier_key_func */
if (active_tool && !gimage_is_empty (gdisp->gimage))
{
gdk_input_window_get_pointer (canvas->window, current_device,
#ifdef GTK_HAVE_SIX_VALUATORS
&tx, &ty, NULL, NULL, NULL, NULL, NULL);
#else /* !GTK_HAVE_SIX_VALUATORS */
&tx, &ty, NULL, NULL, NULL, NULL);
#endif /* GTK_HAVE_SIX_VALUATORS */
(* active_tool->modifier_key_func) (active_tool, kevent, gdisp);
return_val = TRUE;
}
break;
}
break;
case GDK_KEY_RELEASE:
kevent = (GdkEventKey *) event;
state = kevent->state;
switch (kevent->keyval)
{
case GDK_Alt_L: case GDK_Alt_R:
case GDK_Shift_L: case GDK_Shift_R:
case GDK_Control_L: case GDK_Control_R:
state &= ~key_to_state(kevent->keyval);
/* For all modifier keys: call the tools modifier_key_func */
if (active_tool && !gimage_is_empty (gdisp->gimage))
{
gdk_input_window_get_pointer (canvas->window, current_device,
#ifdef GTK_HAVE_SIX_VALUATORS
&tx, &ty, NULL, NULL, NULL, NULL, NULL);
#else /* !GTK_HAVE_SIX_VALUATORS */
&tx, &ty, NULL, NULL, NULL, NULL);
#endif /* GTK_HAVE_SIX_VALUATORS */
(* active_tool->modifier_key_func) (active_tool, kevent, gdisp);
return_val = TRUE;
}
break;
}
return_val = TRUE;
break;
default:
break;
}
if (no_cursor_updating == 0)
{
if (active_tool && !gimage_is_empty (gdisp->gimage) &&
!(state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK)))
{
GdkEventMotion me;
me.x = tx; me.y = ty;
me.state = state;
(* active_tool->cursor_update_func) (active_tool, &me, gdisp);
}
else if (gimage_is_empty (gdisp->gimage))
gdisplay_install_tool_cursor (gdisp, GDK_TOP_LEFT_ARROW);
}
if (update_cursor)
gdisplay_update_cursor (gdisp, tx, ty);
return return_val;
}
gint
gdisplay_hruler_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
GDisplay *gdisp;
if (event->button == 1)
{
gdisp = data;
gimp_context_set_tool (gimp_context_get_user (), MOVE);
move_tool_start_hguide (active_tool, gdisp);
gtk_grab_add (gdisp->canvas);
}
return FALSE;
}
gint
gdisplay_vruler_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
GDisplay *gdisp;
if (event->button == 1)
{
gdisp = data;
gimp_context_set_tool (gimp_context_get_user (), MOVE);
move_tool_start_vguide (active_tool, gdisp);
gtk_grab_add (gdisp->canvas);
}
return FALSE;
}
gint
gdisplay_origin_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
GDisplay *gdisp;
if (event->button == 1)
{
gdisp = data;
gtk_menu_popup (GTK_MENU (gdisp->popup),
NULL, NULL, NULL, NULL, 1, event->time);
}
/* Stop the signal emission so the button doesn't grab the
* pointer away from us */
gtk_signal_emit_stop_by_name (GTK_OBJECT (widget), "button_press_event");
return FALSE;
}
gboolean
gdisplay_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer data)
{
GDisplay *gdisp;
GtkWidget *src_widget;
gboolean return_val = FALSE;
gdisp = (GDisplay *) data;
if ((src_widget = gtk_drag_get_source_widget (context)))
{
GimpDrawable *drawable = NULL;
Layer *layer = NULL;
Channel *channel = NULL;
LayerMask *layer_mask = NULL;
GImage *component = NULL;
ChannelType component_type = -1;
layer = (Layer *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_layer");
channel = (Channel *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_channel");
layer_mask = (LayerMask *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_layer_mask");
component = (GImage *) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_component");
if (layer)
{
drawable = GIMP_DRAWABLE (layer);
}
else if (channel)
{
drawable = GIMP_DRAWABLE (channel);
}
else if (layer_mask)
{
drawable = GIMP_DRAWABLE (layer_mask);
}
else if (component)
{
component_type =
(ChannelType) gtk_object_get_data (GTK_OBJECT (src_widget),
"gimp_component_type");
}
/* FIXME: implement special treatment of channel etc.
*/
if (drawable)
{
GImage *gimage;
Layer *new_layer;
GImage *dest_gimage;
gint width, height;
gint dest_width, dest_height;
gint off_x, off_y;
TileManager *tiles;
PixelRegion srcPR, destPR;
guchar bg[MAX_CHANNELS];
gint bytes, type;
gimage = gimp_drawable_gimage (drawable);
width = gimp_drawable_width (drawable);
height = gimp_drawable_height (drawable);
/* How many bytes in the temp buffer? */
switch (drawable_type (drawable))
{
case RGB_GIMAGE: case RGBA_GIMAGE:
bytes = 4; type = RGB;
break;
case GRAY_GIMAGE: case GRAYA_GIMAGE:
bytes = 2; type = GRAY;
break;
case INDEXED_GIMAGE: case INDEXEDA_GIMAGE:
bytes = 4; type = INDEXED;
break;
default:
bytes = 3; type = RGB;
break;
}
gimage_get_background (gimage, drawable, bg);
tiles = tile_manager_new (width, height, bytes);
pixel_region_init (&srcPR, drawable_data (drawable),
0, 0, width, height, FALSE);
pixel_region_init (&destPR, tiles,
0, 0, width, height, TRUE);
if (type == INDEXED)
/* If the layer is indexed...we need to extract pixels */
extract_from_region (&srcPR, &destPR, NULL,
drawable_cmap (drawable), bg, type,
drawable_has_alpha (drawable), FALSE);
else if (bytes > srcPR.bytes)
/* If the layer doesn't have an alpha channel, add one */
add_alpha_region (&srcPR, &destPR);
else
/* Otherwise, do a straight copy */
copy_region (&srcPR, &destPR);
dest_gimage = gdisp->gimage;
dest_width = dest_gimage->width;
dest_height = dest_gimage->height;
new_layer =
layer_from_tiles (dest_gimage,
GIMP_DRAWABLE (gimage_get_active_layer (dest_gimage)),
tiles, _("Pasted Layer"),
OPAQUE_OPACITY, NORMAL_MODE);
tile_manager_destroy (tiles);
if (new_layer)
{
undo_push_group_start (dest_gimage, EDIT_PASTE_UNDO);
gimp_drawable_set_gimage (GIMP_DRAWABLE (new_layer), dest_gimage);
off_x = (dest_gimage->width - width) / 2;
off_y = (dest_gimage->height - height) / 2;
layer_translate (new_layer, off_x, off_y);
gimage_add_layer (dest_gimage, new_layer, -1);
gdisplays_flush ();
return_val = TRUE;
undo_push_group_end (dest_gimage);
}
}
}
gtk_drag_finish (context, return_val, FALSE, time);
if (return_val)
gimp_context_set_display (gimp_context_get_user (), gdisp);
return return_val;
}
static void
gdisplay_bucket_fill (GtkWidget *widget,
BucketFillMode fill_mode,
guchar orig_color[],
TempBuf *orig_pat_buf,
gpointer data)
{
GimpImage *gimage;
GimpDrawable *drawable;
TileManager *buf_tiles;
PixelRegion bufPR;
GimpContext *context;
gint x1, x2, y1, y2;
gint bytes;
gboolean has_alpha;
guchar color[3];
TempBuf *pat_buf = NULL;
gboolean new_buf = FALSE;
gimage = ((GDisplay *) data)->gimage;
drawable = gimage_active_drawable (gimage);
if (!drawable)
return;
gimp_add_busy_cursors ();
/* Get the bucket fill context */
if (! global_paint_options)
context = tool_info[BUCKET_FILL].tool_context;
else
context = gimp_context_get_user ();
/* Transform the passed data for the dest image */
if (fill_mode == FG_BUCKET_FILL)
{
gimp_image_transform_color (gimage, drawable, orig_color, color, RGB);
}
else
{
if (((orig_pat_buf->bytes == 3) && !drawable_color (drawable)) ||
((orig_pat_buf->bytes == 1) && !drawable_gray (drawable)))
{
guchar *d1, *d2;
gint size;
if ((orig_pat_buf->bytes == 1) && drawable_color (drawable))
pat_buf = temp_buf_new (orig_pat_buf->width, orig_pat_buf->height,
3, 0, 0, NULL);
else
pat_buf = temp_buf_new (orig_pat_buf->width, orig_pat_buf->height,
1, 0, 0, NULL);
d1 = temp_buf_data (orig_pat_buf);
d2 = temp_buf_data (pat_buf);
size = orig_pat_buf->width * orig_pat_buf->height;
while (size--)
{
gimage_transform_color (gimage, drawable, d1, d2,
(orig_pat_buf->bytes == 3) ? RGB : GRAY);
d1 += orig_pat_buf->bytes;
d2 += pat_buf->bytes;
}
new_buf = TRUE;
}
else
{
pat_buf = orig_pat_buf;
}
}
drawable_mask_bounds (drawable, &x1, &y1, &x2, &y2);
bytes = drawable_bytes (drawable);
has_alpha = drawable_has_alpha (drawable);
/* Fill the region */
buf_tiles = tile_manager_new ((x2 - x1), (y2 - y1), bytes);
pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), TRUE);
bucket_fill_region (fill_mode, &bufPR, NULL,
color, pat_buf, x1, y1, has_alpha);
/* Apply it to the image */
pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), FALSE);
gimage_apply_image (gimage, drawable, &bufPR, TRUE,
gimp_context_get_opacity (context) * 255,
gimp_context_get_paint_mode (context),
NULL, x1, y1);
tile_manager_destroy (buf_tiles);
/* Update the displays */
drawable_update (drawable, x1, y1, (x2 - x1), (y2 - y1));
gdisplays_flush ();
if (new_buf)
temp_buf_free (pat_buf);
gimp_remove_busy_cursors (NULL);
}
void
gdisplay_drop_color (GtkWidget *widget,
guchar r,
guchar g,
guchar b,
gpointer data)
{
guchar color[3];
color[0] = r;
color[1] = g;
color[2] = b;
gdisplay_bucket_fill (widget, FG_BUCKET_FILL, color, NULL, data);
}
void
gdisplay_drop_pattern (GtkWidget *widget,
GPattern *pattern,
gpointer data)
{
gdisplay_bucket_fill (widget, PATTERN_BUCKET_FILL, NULL, pattern->mask, data);
}
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