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gimp/app/tools/gimpbucketfilltool.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 <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimpdrawable-bucket-fill.h"
#include "core/gimpimage.h"
#include "core/gimpimage-mask.h"
#include "core/gimptoolinfo.h"
#include "paint/gimppaintoptions.h"
#include "display/gimpdisplay.h"
#include "widgets/gimpenummenu.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpbucketfilltool.h"
#include "paint_options.h"
#include "undo.h"
#include "libgimp/gimpintl.h"
typedef struct _BucketOptions BucketOptions;
struct _BucketOptions
{
GimpPaintOptions paint_options;
gboolean fill_transparent;
gboolean fill_transparent_d;
GtkWidget *fill_transparent_w;
gboolean sample_merged;
gboolean sample_merged_d;
GtkWidget *sample_merged_w;
gdouble threshold;
GtkObject *threshold_w;
GimpBucketFillMode fill_mode;
GimpBucketFillMode fill_mode_d;
GtkWidget *fill_mode_w;
};
static GimpToolClass *parent_class = NULL;
/* local function prototypes */
static void gimp_bucket_fill_tool_class_init (GimpBucketFillToolClass *klass);
static void gimp_bucket_fill_tool_init (GimpBucketFillTool *bucket_fill_tool);
static void gimp_bucket_fill_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp);
static void gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp);
static GimpToolOptions * bucket_options_new (GimpToolInfo *tool_info);
static void bucket_options_reset (GimpToolOptions *tool_options);
/* public functions */
void
gimp_bucket_fill_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_BUCKET_FILL_TOOL,
bucket_options_new,
TRUE,
"gimp-bucket-fill-tool",
_("Bucket Fill"),
_("Fill with a color or pattern"),
N_("/Tools/Paint Tools/Bucket Fill"), "<shift>B",
NULL, "tools/bucket_fill.html",
GIMP_STOCK_TOOL_BUCKET_FILL,
data);
}
GType
gimp_bucket_fill_tool_get_type (void)
{
static GType tool_type = 0;
if (! tool_type)
{
static const GTypeInfo tool_info =
{
sizeof (GimpBucketFillToolClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_bucket_fill_tool_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpBucketFillTool),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_bucket_fill_tool_init,
};
tool_type = g_type_register_static (GIMP_TYPE_TOOL,
"GimpBucketFillTool",
&tool_info, 0);
}
return tool_type;
}
/* private functions */
static void
gimp_bucket_fill_tool_class_init (GimpBucketFillToolClass *klass)
{
GimpToolClass *tool_class;
tool_class = GIMP_TOOL_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
tool_class->button_press = gimp_bucket_fill_tool_button_press;
tool_class->button_release = gimp_bucket_fill_tool_button_release;
tool_class->modifier_key = gimp_bucket_fill_tool_modifier_key;
tool_class->cursor_update = gimp_bucket_fill_tool_cursor_update;
}
static void
gimp_bucket_fill_tool_init (GimpBucketFillTool *bucket_fill_tool)
{
GimpTool *tool;
tool = GIMP_TOOL (bucket_fill_tool);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_BUCKET_FILL_TOOL_CURSOR);
}
static void
gimp_bucket_fill_tool_button_press (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpBucketFillTool *bucket_tool;
BucketOptions *options;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
options = (BucketOptions *) tool->tool_info->tool_options;
bucket_tool->target_x = coords->x;
bucket_tool->target_y = coords->y;
if (! options->sample_merged)
{
gint off_x, off_y;
gimp_drawable_offsets (gimp_image_active_drawable (gdisp->gimage),
&off_x, &off_y);
bucket_tool->target_x -= off_x;
bucket_tool->target_y -= off_y;
}
tool->gdisp = gdisp;
gimp_tool_control_activate (tool->control);
}
static void
gimp_bucket_fill_tool_button_release (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpBucketFillTool *bucket_tool;
BucketOptions *options;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
options = (BucketOptions *) tool->tool_info->tool_options;
/* if the 3rd button isn't pressed, fill the selected region */
if (! (state & GDK_BUTTON3_MASK))
{
GimpContext *context;
context = gimp_get_current_context (gdisp->gimage->gimp);
gimp_drawable_bucket_fill (gimp_image_active_drawable (gdisp->gimage),
options->fill_mode,
gimp_context_get_paint_mode (context),
gimp_context_get_opacity (context),
options->fill_transparent,
options->threshold,
options->sample_merged,
bucket_tool->target_x,
bucket_tool->target_y);
gimp_image_flush (gdisp->gimage);
}
gimp_tool_control_halt (tool->control);
}
static void
gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *gdisp)
{
BucketOptions *options;
options = (BucketOptions *) tool->tool_info->tool_options;
if (key == GDK_CONTROL_MASK)
{
switch (options->fill_mode)
{
case GIMP_FG_BUCKET_FILL:
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->fill_mode_w),
GINT_TO_POINTER (GIMP_BG_BUCKET_FILL));
break;
case GIMP_BG_BUCKET_FILL:
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->fill_mode_w),
GINT_TO_POINTER (GIMP_FG_BUCKET_FILL));
break;
default:
break;
}
}
}
static void
gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
BucketOptions *options;
GimpLayer *layer;
GimpCursorModifier cmodifier = GIMP_CURSOR_MODIFIER_NONE;
gint off_x, off_y;
options = (BucketOptions *) tool->tool_info->tool_options;
if ((layer = gimp_image_get_active_layer (gdisp->gimage)))
{
gimp_drawable_offsets (GIMP_DRAWABLE (layer), &off_x, &off_y);
if (coords->x >= off_x &&
coords->y >= off_y &&
coords->x < (off_x + gimp_drawable_width (GIMP_DRAWABLE (layer))) &&
coords->y < (off_y + gimp_drawable_height (GIMP_DRAWABLE (layer))))
{
/* One more test--is there a selected region?
* if so, is cursor inside?
*/
if (gimp_image_mask_is_empty (gdisp->gimage) ||
gimp_image_mask_value (gdisp->gimage, coords->x, coords->y))
{
switch (options->fill_mode)
{
case GIMP_FG_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_FOREGROUND;
break;
case GIMP_BG_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_BACKGROUND;
break;
case GIMP_PATTERN_BUCKET_FILL:
cmodifier = GIMP_CURSOR_MODIFIER_PATTERN;
break;
}
}
}
}
gimp_tool_control_set_cursor_modifier (tool->control, cmodifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
}
static GimpToolOptions *
bucket_options_new (GimpToolInfo *tool_info)
{
BucketOptions *options;
GtkWidget *vbox;
GtkWidget *vbox2;
GtkWidget *table;
GtkWidget *frame;
gchar *str;
options = g_new0 (BucketOptions, 1);
gimp_paint_options_init ((GimpPaintOptions *) options, tool_info->context);
paint_options_init ((GimpPaintOptions *) options, tool_info);
((GimpToolOptions *) options)->reset_func = bucket_options_reset;
options->fill_transparent = options->fill_transparent_d = TRUE;
options->sample_merged = options->sample_merged_d = FALSE;
options->threshold =
GIMP_GUI_CONFIG (tool_info->gimp->config)->default_threshold;
options->fill_mode = options->fill_mode_d = GIMP_FG_BUCKET_FILL;
/* the main vbox */
vbox = ((GimpToolOptions *) options)->main_vbox;
str = g_strdup_printf (_("Fill Type %s"), gimp_get_mod_name_control ());
/* fill type */
frame = gimp_enum_radio_frame_new (GIMP_TYPE_BUCKET_FILL_MODE,
gtk_label_new (str),
2,
G_CALLBACK (gimp_radio_button_update),
&options->fill_mode,
&options->fill_mode_w);
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->fill_mode_w),
GINT_TO_POINTER (options->fill_mode));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
g_free (str);
frame = gtk_frame_new (_("Finding Similar Colors"));
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox2), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox2);
gtk_widget_show (vbox2);
/* the fill transparent areas toggle */
options->fill_transparent_w =
gtk_check_button_new_with_label (_("Fill Transparent Areas"));
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->fill_transparent_w),
options->fill_transparent);
gtk_box_pack_start (GTK_BOX (vbox2), options->fill_transparent_w,
FALSE, FALSE, 0);
gtk_widget_show (options->fill_transparent_w);
gimp_help_set_help_data (options->fill_transparent_w,
_("Allow completely transparent regions "
"to be filled"), NULL);
g_signal_connect (options->fill_transparent_w, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->fill_transparent);
/* the sample merged toggle */
options->sample_merged_w =
gtk_check_button_new_with_label (_("Sample Merged"));
gtk_box_pack_start (GTK_BOX (vbox2), options->sample_merged_w,
FALSE, FALSE, 0);
gtk_widget_show (options->sample_merged_w);
gimp_help_set_help_data (options->sample_merged_w,
_("Base filled area on all visible layers"), NULL);
g_signal_connect (options->sample_merged_w, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->sample_merged);
/* the threshold scale */
table = gtk_table_new (1, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox2), table, FALSE, FALSE, 0);
gtk_widget_show (table);
options->threshold_w = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("Threshold:"), -1, -1,
options->threshold,
0.0, 255.0, 1.0, 16.0, 1,
TRUE, 0.0, 0.0,
_("Maximum color difference"),
NULL);
g_signal_connect (options->threshold_w, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&options->threshold);
bucket_options_reset ((GimpToolOptions *) options);
return (GimpToolOptions *) options;
}
static void
bucket_options_reset (GimpToolOptions *tool_options)
{
BucketOptions *options;
options = (BucketOptions *) tool_options;
paint_options_reset (tool_options);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->fill_transparent_w),
options->fill_transparent_d);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
options->sample_merged_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->threshold_w),
GIMP_GUI_CONFIG (tool_options->tool_info->gimp->config)->default_threshold);
gimp_radio_group_set_active (GTK_RADIO_BUTTON (options->fill_mode_w),
GINT_TO_POINTER (options->fill_mode_d));
}
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