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Gimp/app/paint/gimpsourcecore.c
Michael Natterer 47b50d9123 renamed enum GimpCloneAlignMode to GimpSourceAlignMode. 
2006-09-03  Michael Natterer  <mitch@gimp.org>

	* app/paint/paint-enums.[ch]: renamed enum GimpCloneAlignMode to
	GimpSourceAlignMode.

	* app/paint/Makefile.am
	* app/paint/gimpsourcecore.[ch]
	* app/paint/gimpsourceoptions.[ch]: new classes which contain the
	source selection functionality factored out of the clone core and
	options.

	* app/paint/gimpclone.[ch]
	* app/paint/gimpcloneoptions.[ch]: remove that functionality here
	and derive from the new classes.

	* app/tools/gimpclonetool.c: changed accordingly.
2006-09-02 22:39:26 +00:00

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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 <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "paint-types.h"
#include "core/gimp.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "gimpsourcecore.h"
#include "gimpsourceoptions.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_SRC_DRAWABLE,
PROP_SRC_X,
PROP_SRC_Y
};
static void gimp_source_core_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_source_core_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_source_core_paint (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpPaintState paint_state,
guint32 time);
static void gimp_source_core_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options);
static void gimp_source_core_set_src_drawable (GimpSourceCore *source_core,
GimpDrawable *drawable);
G_DEFINE_TYPE (GimpSourceCore, gimp_source_core, GIMP_TYPE_BRUSH_CORE)
static void
gimp_source_core_class_init (GimpSourceCoreClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpPaintCoreClass *paint_core_class = GIMP_PAINT_CORE_CLASS (klass);
GimpBrushCoreClass *brush_core_class = GIMP_BRUSH_CORE_CLASS (klass);
object_class->set_property = gimp_source_core_set_property;
object_class->get_property = gimp_source_core_get_property;
paint_core_class->paint = gimp_source_core_paint;
brush_core_class->handles_changing_brush = TRUE;
klass->motion = NULL;
g_object_class_install_property (object_class, PROP_SRC_DRAWABLE,
g_param_spec_object ("src-drawable",
NULL, NULL,
GIMP_TYPE_DRAWABLE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_SRC_X,
g_param_spec_double ("src-x", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_SRC_Y,
g_param_spec_double ("src-y", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE,
0.0,
GIMP_PARAM_READWRITE));
}
static void
gimp_source_core_init (GimpSourceCore *source_core)
{
source_core->set_source = FALSE;
source_core->src_drawable = NULL;
source_core->src_x = 0.0;
source_core->src_y = 0.0;
source_core->orig_src_x = 0.0;
source_core->orig_src_y = 0.0;
source_core->offset_x = 0.0;
source_core->offset_y = 0.0;
source_core->first_stroke = TRUE;
}
static void
gimp_source_core_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpSourceCore *source_core = GIMP_SOURCE_CORE (object);
switch (property_id)
{
case PROP_SRC_DRAWABLE:
gimp_source_core_set_src_drawable (source_core,
g_value_get_object (value));
break;
case PROP_SRC_X:
source_core->src_x = g_value_get_double (value);
break;
case PROP_SRC_Y:
source_core->src_y = g_value_get_double (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_source_core_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpSourceCore *source_core = GIMP_SOURCE_CORE (object);
switch (property_id)
{
case PROP_SRC_DRAWABLE:
g_value_set_object (value, source_core->src_drawable);
break;
case PROP_SRC_X:
g_value_set_int (value, source_core->src_x);
break;
case PROP_SRC_Y:
g_value_set_int (value, source_core->src_y);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_source_core_paint (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpPaintState paint_state,
guint32 time)
{
GimpSourceCore *source_core = GIMP_SOURCE_CORE (paint_core);
GimpSourceOptions *options = GIMP_SOURCE_OPTIONS (paint_options);
switch (paint_state)
{
case GIMP_PAINT_STATE_INIT:
if (source_core->set_source)
{
gimp_source_core_set_src_drawable (source_core, drawable);
source_core->src_x = paint_core->cur_coords.x;
source_core->src_y = paint_core->cur_coords.y;
source_core->first_stroke = TRUE;
}
else if (options->align_mode == GIMP_SOURCE_ALIGN_NO)
{
source_core->orig_src_x = source_core->src_x;
source_core->orig_src_y = source_core->src_y;
source_core->first_stroke = TRUE;
}
break;
case GIMP_PAINT_STATE_MOTION:
if (source_core->set_source)
{
/* If the control key is down, move the src target and return */
source_core->src_x = paint_core->cur_coords.x;
source_core->src_y = paint_core->cur_coords.y;
source_core->first_stroke = TRUE;
}
else
{
/* otherwise, update the target */
gint dest_x;
gint dest_y;
dest_x = paint_core->cur_coords.x;
dest_y = paint_core->cur_coords.y;
if (options->align_mode == GIMP_SOURCE_ALIGN_REGISTERED)
{
source_core->offset_x = 0;
source_core->offset_y = 0;
}
else if (options->align_mode == GIMP_SOURCE_ALIGN_FIXED)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
}
else if (source_core->first_stroke)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
source_core->first_stroke = FALSE;
}
source_core->src_x = dest_x + source_core->offset_x;
source_core->src_y = dest_y + source_core->offset_y;
gimp_source_core_motion (source_core, drawable, paint_options);
}
break;
case GIMP_PAINT_STATE_FINISH:
if (options->align_mode == GIMP_SOURCE_ALIGN_NO &&
! source_core->first_stroke)
{
source_core->src_x = source_core->orig_src_x;
source_core->src_y = source_core->orig_src_y;
}
break;
default:
break;
}
g_object_notify (G_OBJECT (source_core), "src-x");
g_object_notify (G_OBJECT (source_core), "src-y");
}
static void
gimp_source_core_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options)
{
GIMP_SOURCE_CORE_GET_CLASS (source_core)->motion (source_core,
drawable,
paint_options);
}
static void
gimp_source_core_src_drawable_removed (GimpDrawable *drawable,
GimpSourceCore *source_core)
{
if (drawable == source_core->src_drawable)
{
source_core->src_drawable = NULL;
}
g_signal_handlers_disconnect_by_func (drawable,
gimp_source_core_src_drawable_removed,
source_core);
}
static void
gimp_source_core_set_src_drawable (GimpSourceCore *source_core,
GimpDrawable *drawable)
{
if (source_core->src_drawable == drawable)
return;
if (source_core->src_drawable)
g_signal_handlers_disconnect_by_func (source_core->src_drawable,
gimp_source_core_src_drawable_removed,
source_core);
source_core->src_drawable = drawable;
if (source_core->src_drawable)
g_signal_connect (source_core->src_drawable, "removed",
G_CALLBACK (gimp_source_core_src_drawable_removed),
source_core);
g_object_notify (G_OBJECT (source_core), "src-drawable");
}
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