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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/gimpchannel.h"
#include "core/gimpdrawable-bucket-fill.h"
#include "core/gimpimage.h"
#include "core/gimptoolinfo.h"
#include "widgets/gimphelp-ids.h"
#include "display/gimpdisplay.h"
#include "gimpbucketfilloptions.h"
#include "gimpbucketfilltool.h"
#include "gimptoolcontrol.h"
#include "gimp-intl.h"
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);
/* public functions */
void
gimp_bucket_fill_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_BUCKET_FILL_TOOL,
GIMP_TYPE_BUCKET_FILL_OPTIONS,
gimp_bucket_fill_options_gui,
GIMP_CONTEXT_FOREGROUND_MASK |
GIMP_CONTEXT_BACKGROUND_MASK |
GIMP_CONTEXT_OPACITY_MASK |
GIMP_CONTEXT_PAINT_MODE_MASK |
GIMP_CONTEXT_PATTERN_MASK,
"gimp-bucket-fill-tool",
_("Bucket Fill"),
_("Fill with a color or pattern"),
N_("_Bucket Fill"), "<shift>B",
NULL, GIMP_HELP_TOOL_BUCKET_FILL,
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;
GimpBucketFillOptions *options;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
options = GIMP_BUCKET_FILL_OPTIONS (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_item_offsets (GIMP_ITEM (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;
GimpBucketFillOptions *options;
GimpContext *context;
bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
options = GIMP_BUCKET_FILL_OPTIONS (tool->tool_info->tool_options);
context = GIMP_CONTEXT (options);
/* if the 3rd button isn't pressed, fill the selected region */
if (! (state & GDK_BUTTON3_MASK))
{
gimp_drawable_bucket_fill (gimp_image_active_drawable (gdisp->gimage),
context,
options->fill_mode,
gimp_context_get_paint_mode (context),
gimp_context_get_opacity (context),
! options->fill_selection,
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)
{
GimpBucketFillOptions *options;
options = GIMP_BUCKET_FILL_OPTIONS (tool->tool_info->tool_options);
if (key == GDK_CONTROL_MASK)
{
switch (options->fill_mode)
{
case GIMP_FG_BUCKET_FILL:
g_object_set (options, "fill-mode", GIMP_BG_BUCKET_FILL, NULL);
break;
case GIMP_BG_BUCKET_FILL:
g_object_set (options, "fill-mode", GIMP_FG_BUCKET_FILL, NULL);
break;
default:
break;
}
}
else if (key == GDK_SHIFT_MASK)
{
g_object_set (options, "fill-selection", ! options->fill_selection, NULL);
}
}
static void
gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
GimpCoords *coords,
GdkModifierType state,
GimpDisplay *gdisp)
{
GimpBucketFillOptions *options;
GimpCursorModifier cmodifier = GIMP_CURSOR_MODIFIER_NONE;
options = GIMP_BUCKET_FILL_OPTIONS (tool->tool_info->tool_options);
if (gimp_display_coords_in_active_drawable (gdisp, coords))
{
GimpChannel *selection = gimp_image_get_mask (gdisp->gimage);
/* One more test--is there a selected region?
* if so, is cursor inside?
*/
if (gimp_channel_is_empty (selection) ||
gimp_channel_value (selection, 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);
}
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