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gimp/app/core/gimpcontext.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontext.c
* Copyright (C) 1999-2001 Michael Natterer
*
* 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 "libgimpcolor/gimpcolor.h"
#include "core-types.h"
#include "base/base-config.h"
#include "base/temp-buf.h"
#include "gimp.h"
#include "gimpbrush.h"
#include "gimpbuffer.h"
#include "gimpcontainer.h"
#include "gimpcontext.h"
#include "gimpcoreconfig.h"
#include "gimpdatafactory.h"
#include "gimpimagefile.h"
#include "gimpgradient.h"
#include "gimpimage.h"
#include "gimpmarshal.h"
#include "gimppalette.h"
#include "gimppattern.h"
#include "gimptoolinfo.h"
#include "libgimp/gimpintl.h"
typedef void (* GimpContextCopyPropFunc) (GimpContext *src,
GimpContext *dest);
#define context_find_defined(context,prop_mask) \
while (!(((context)->defined_props) & prop_mask) && (context)->parent) \
(context) = (context)->parent
/* local function prototypes */
static void gimp_context_class_init (GimpContextClass *klass);
static void gimp_context_init (GimpContext *context);
static void gimp_context_dispose (GObject *object);
static void gimp_context_finalize (GObject *object);
static void gimp_context_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_context_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
/* image */
static void gimp_context_image_removed (GimpContainer *container,
GimpImage *image,
GimpContext *context);
static void gimp_context_real_set_image (GimpContext *context,
GimpImage *image);
static void gimp_context_copy_image (GimpContext *src,
GimpContext *dest);
/* display */
static void gimp_context_real_set_display (GimpContext *context,
gpointer display);
static void gimp_context_copy_display (GimpContext *src,
GimpContext *dest);
/* tool */
static void gimp_context_tool_dirty (GimpToolInfo *tool_info,
GimpContext *context);
static void gimp_context_tool_removed (GimpContainer *container,
GimpToolInfo *tool_info,
GimpContext *context);
static void gimp_context_tool_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_tool (GimpContext *context,
GimpToolInfo *tool_info);
static void gimp_context_copy_tool (GimpContext *src,
GimpContext *dest);
/* foreground */
static void gimp_context_real_set_foreground (GimpContext *context,
const GimpRGB *color);
static void gimp_context_copy_foreground (GimpContext *src,
GimpContext *dest);
/* background */
static void gimp_context_real_set_background (GimpContext *context,
const GimpRGB *color);
static void gimp_context_copy_background (GimpContext *src,
GimpContext *dest);
/* opacity */
static void gimp_context_real_set_opacity (GimpContext *context,
gdouble opacity);
static void gimp_context_copy_opacity (GimpContext *src,
GimpContext *dest);
/* paint mode */
static void gimp_context_real_set_paint_mode (GimpContext *context,
GimpLayerModeEffects
paint_mode);
static void gimp_context_copy_paint_mode (GimpContext *src,
GimpContext *dest);
/* brush */
static void gimp_context_brush_dirty (GimpBrush *brush,
GimpContext *context);
static void gimp_context_brush_removed (GimpContainer *brush_list,
GimpBrush *brush,
GimpContext *context);
static void gimp_context_brush_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_brush (GimpContext *context,
GimpBrush *brush);
static void gimp_context_copy_brush (GimpContext *src,
GimpContext *dest);
/* pattern */
static void gimp_context_pattern_dirty (GimpPattern *pattern,
GimpContext *context);
static void gimp_context_pattern_removed (GimpContainer *container,
GimpPattern *pattern,
GimpContext *context);
static void gimp_context_pattern_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_pattern (GimpContext *context,
GimpPattern *pattern);
static void gimp_context_copy_pattern (GimpContext *src,
GimpContext *dest);
/* gradient */
static void gimp_context_gradient_dirty (GimpGradient *gradient,
GimpContext *context);
static void gimp_context_gradient_removed (GimpContainer *container,
GimpGradient *gradient,
GimpContext *context);
static void gimp_context_gradient_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_gradient (GimpContext *context,
GimpGradient *gradient);
static void gimp_context_copy_gradient (GimpContext *src,
GimpContext *dest);
/* palette */
static void gimp_context_palette_dirty (GimpPalette *palette,
GimpContext *context);
static void gimp_context_palette_removed (GimpContainer *container,
GimpPalette *palatte,
GimpContext *context);
static void gimp_context_palette_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_palette (GimpContext *context,
GimpPalette *palatte);
static void gimp_context_copy_palette (GimpContext *src,
GimpContext *dest);
/* buffer */
static void gimp_context_buffer_dirty (GimpBuffer *buffer,
GimpContext *context);
static void gimp_context_buffer_removed (GimpContainer *container,
GimpBuffer *buffer,
GimpContext *context);
static void gimp_context_buffer_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_buffer (GimpContext *context,
GimpBuffer *buffer);
static void gimp_context_copy_buffer (GimpContext *src,
GimpContext *dest);
/* imagefile */
static void gimp_context_imagefile_dirty (GimpImagefile *imagefile,
GimpContext *context);
static void gimp_context_imagefile_removed (GimpContainer *container,
GimpImagefile *imagefile,
GimpContext *context);
static void gimp_context_imagefile_list_thaw (GimpContainer *container,
GimpContext *context);
static void gimp_context_real_set_imagefile (GimpContext *context,
GimpImagefile *imagefile);
static void gimp_context_copy_imagefile (GimpContext *src,
GimpContext *dest);
/* properties & signals */
enum
{
PROP_0,
PROP_GIMP,
PROP_IMAGE,
PROP_DISPLAY,
PROP_TOOL,
PROP_FOREGROUND,
PROP_BACKGROUND,
PROP_OPACITY,
PROP_PAINT_MODE,
PROP_BRUSH,
PROP_PATTERN,
PROP_GRADIENT,
PROP_PALETTE,
PROP_BUFFER,
PROP_IMAGEFILE
};
enum
{
IMAGE_CHANGED,
DISPLAY_CHANGED,
TOOL_CHANGED,
FOREGROUND_CHANGED,
BACKGROUND_CHANGED,
OPACITY_CHANGED,
PAINT_MODE_CHANGED,
BRUSH_CHANGED,
PATTERN_CHANGED,
GRADIENT_CHANGED,
PALETTE_CHANGED,
BUFFER_CHANGED,
IMAGEFILE_CHANGED,
LAST_SIGNAL
};
static gchar *gimp_context_prop_names[] =
{
"image",
"display",
"tool",
"foreground",
"background",
"opacity",
"paint_mode",
"brush",
"pattern",
"gradient",
"palette",
"buffer",
"imagefile"
};
static GimpContextCopyPropFunc gimp_context_copy_prop_funcs[] =
{
gimp_context_copy_image,
gimp_context_copy_display,
gimp_context_copy_tool,
gimp_context_copy_foreground,
gimp_context_copy_background,
gimp_context_copy_opacity,
gimp_context_copy_paint_mode,
gimp_context_copy_brush,
gimp_context_copy_pattern,
gimp_context_copy_gradient,
gimp_context_copy_palette,
gimp_context_copy_buffer,
gimp_context_copy_imagefile
};
static GType gimp_context_prop_types[] =
{
0,
G_TYPE_NONE,
0,
G_TYPE_NONE,
G_TYPE_NONE,
G_TYPE_NONE,
G_TYPE_NONE,
0,
0,
0,
0,
0,
0
};
static gchar *gimp_context_signal_names[] =
{
"image_changed",
"display_changed",
"tool_changed",
"foreground_changed",
"background_changed",
"opacity_changed",
"paint_mode_changed",
"brush_changed",
"pattern_changed",
"gradient_changed",
"palette_changed",
"buffer_changed",
"imagefile_changed"
};
static GCallback gimp_context_signal_handlers[] =
{
G_CALLBACK (gimp_context_real_set_image),
G_CALLBACK (gimp_context_real_set_display),
G_CALLBACK (gimp_context_real_set_tool),
G_CALLBACK (gimp_context_real_set_foreground),
G_CALLBACK (gimp_context_real_set_background),
G_CALLBACK (gimp_context_real_set_opacity),
G_CALLBACK (gimp_context_real_set_paint_mode),
G_CALLBACK (gimp_context_real_set_brush),
G_CALLBACK (gimp_context_real_set_pattern),
G_CALLBACK (gimp_context_real_set_gradient),
G_CALLBACK (gimp_context_real_set_palette),
G_CALLBACK (gimp_context_real_set_buffer),
G_CALLBACK (gimp_context_real_set_imagefile)
};
static guint gimp_context_signals[LAST_SIGNAL] = { 0 };
static GimpObjectClass * parent_class = NULL;
GType
gimp_context_get_type (void)
{
static GType context_type = 0;
if (! context_type)
{
static const GTypeInfo context_info =
{
sizeof (GimpContextClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_context_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpContext),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_context_init,
};
context_type = g_type_register_static (GIMP_TYPE_OBJECT,
"GimpContext",
&context_info, 0);
}
return context_type;
}
static void
gimp_context_class_init (GimpContextClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
gimp_context_signals[IMAGE_CHANGED] =
g_signal_new (gimp_context_signal_names[IMAGE_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, image_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_IMAGE);
gimp_context_signals[DISPLAY_CHANGED] =
g_signal_new (gimp_context_signal_names[DISPLAY_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, display_changed),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_context_signals[TOOL_CHANGED] =
g_signal_new (gimp_context_signal_names[TOOL_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, tool_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_TOOL_INFO);
gimp_context_signals[FOREGROUND_CHANGED] =
g_signal_new (gimp_context_signal_names[FOREGROUND_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, foreground_changed),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_context_signals[BACKGROUND_CHANGED] =
g_signal_new (gimp_context_signal_names[BACKGROUND_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, background_changed),
NULL, NULL,
gimp_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
G_TYPE_POINTER);
gimp_context_signals[OPACITY_CHANGED] =
g_signal_new (gimp_context_signal_names[OPACITY_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, opacity_changed),
NULL, NULL,
gimp_marshal_VOID__DOUBLE,
G_TYPE_NONE, 1,
G_TYPE_DOUBLE);
gimp_context_signals[PAINT_MODE_CHANGED] =
g_signal_new (gimp_context_signal_names[PAINT_MODE_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, paint_mode_changed),
NULL, NULL,
gimp_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
gimp_context_signals[BRUSH_CHANGED] =
g_signal_new (gimp_context_signal_names[BRUSH_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, brush_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_BRUSH);
gimp_context_signals[PATTERN_CHANGED] =
g_signal_new (gimp_context_signal_names[PATTERN_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, pattern_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_PATTERN);
gimp_context_signals[GRADIENT_CHANGED] =
g_signal_new (gimp_context_signal_names[GRADIENT_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, gradient_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_GRADIENT);
gimp_context_signals[PALETTE_CHANGED] =
g_signal_new (gimp_context_signal_names[PALETTE_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, palette_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_PALETTE);
gimp_context_signals[BUFFER_CHANGED] =
g_signal_new (gimp_context_signal_names[BUFFER_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, buffer_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_BUFFER);
gimp_context_signals[IMAGEFILE_CHANGED] =
g_signal_new (gimp_context_signal_names[IMAGEFILE_CHANGED],
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContextClass, imagefile_changed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_IMAGEFILE);
object_class->set_property = gimp_context_set_property;
object_class->get_property = gimp_context_get_property;
object_class->dispose = gimp_context_dispose;
object_class->finalize = gimp_context_finalize;
klass->image_changed = NULL;
klass->display_changed = NULL;
klass->tool_changed = NULL;
klass->foreground_changed = NULL;
klass->background_changed = NULL;
klass->opacity_changed = NULL;
klass->paint_mode_changed = NULL;
klass->brush_changed = NULL;
klass->pattern_changed = NULL;
klass->gradient_changed = NULL;
klass->palette_changed = NULL;
klass->buffer_changed = NULL;
klass->imagefile_changed = NULL;
gimp_context_prop_types[GIMP_CONTEXT_PROP_IMAGE] = GIMP_TYPE_IMAGE;
gimp_context_prop_types[GIMP_CONTEXT_PROP_TOOL] = GIMP_TYPE_TOOL_INFO;
gimp_context_prop_types[GIMP_CONTEXT_PROP_BRUSH] = GIMP_TYPE_BRUSH;
gimp_context_prop_types[GIMP_CONTEXT_PROP_PATTERN] = GIMP_TYPE_PATTERN;
gimp_context_prop_types[GIMP_CONTEXT_PROP_GRADIENT] = GIMP_TYPE_GRADIENT;
gimp_context_prop_types[GIMP_CONTEXT_PROP_PALETTE] = GIMP_TYPE_PALETTE;
gimp_context_prop_types[GIMP_CONTEXT_PROP_BUFFER] = GIMP_TYPE_BUFFER;
gimp_context_prop_types[GIMP_CONTEXT_PROP_IMAGEFILE] = GIMP_TYPE_IMAGEFILE;
g_object_class_install_property (object_class,
PROP_GIMP,
g_param_spec_object ("gimp",
NULL, NULL,
GIMP_TYPE_GIMP,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_IMAGE,
g_param_spec_object (gimp_context_prop_names[IMAGE_CHANGED],
NULL, NULL,
GIMP_TYPE_IMAGE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_DISPLAY,
g_param_spec_pointer (gimp_context_prop_names[DISPLAY_CHANGED],
NULL, NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_TOOL,
g_param_spec_object (gimp_context_prop_names[TOOL_CHANGED],
NULL, NULL,
GIMP_TYPE_TOOL_INFO,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_FOREGROUND,
g_param_spec_pointer (gimp_context_prop_names[FOREGROUND_CHANGED],
NULL, NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_BACKGROUND,
g_param_spec_pointer (gimp_context_prop_names[BACKGROUND_CHANGED],
NULL, NULL,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_OPACITY,
g_param_spec_double (gimp_context_prop_names[OPACITY_CHANGED],
NULL, NULL,
0.0,
1.0,
1.0,
G_PARAM_READWRITE));
/* FIXME: convert to enum property */
g_object_class_install_property (object_class,
PROP_PAINT_MODE,
g_param_spec_int (gimp_context_prop_names[PAINT_MODE_CHANGED],
NULL, NULL,
GIMP_NORMAL_MODE,
GIMP_ANTI_ERASE_MODE,
GIMP_NORMAL_MODE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_BRUSH,
g_param_spec_object (gimp_context_prop_names[BRUSH_CHANGED],
NULL, NULL,
GIMP_TYPE_BRUSH,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_PATTERN,
g_param_spec_object (gimp_context_prop_names[PATTERN_CHANGED],
NULL, NULL,
GIMP_TYPE_PATTERN,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_GRADIENT,
g_param_spec_object (gimp_context_prop_names[GRADIENT_CHANGED],
NULL, NULL,
GIMP_TYPE_GRADIENT,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_PALETTE,
g_param_spec_object (gimp_context_prop_names[PALETTE_CHANGED],
NULL, NULL,
GIMP_TYPE_PALETTE,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_BUFFER,
g_param_spec_object (gimp_context_prop_names[BUFFER_CHANGED],
NULL, NULL,
GIMP_TYPE_BUFFER,
G_PARAM_READWRITE));
g_object_class_install_property (object_class,
PROP_IMAGEFILE,
g_param_spec_object (gimp_context_prop_names[IMAGEFILE_CHANGED],
NULL, NULL,
GIMP_TYPE_IMAGEFILE,
G_PARAM_READWRITE));
}
static void
gimp_context_init (GimpContext *context)
{
context->gimp = NULL;
context->parent = NULL;
context->defined_props = GIMP_CONTEXT_ALL_PROPS_MASK;
context->image = NULL;
context->display = NULL;
context->tool_info = NULL;
context->tool_name = NULL;
gimp_rgba_set (&context->foreground, 0.0, 0.0, 0.0, 1.0);
gimp_rgba_set (&context->background, 1.0, 1.0, 1.0, 1.0);
context->opacity = 1.0;
context->paint_mode = GIMP_NORMAL_MODE;
context->brush = NULL;
context->brush_name = NULL;
context->pattern = NULL;
context->pattern_name = NULL;
context->gradient = NULL;
context->gradient_name = NULL;
context->palette = NULL;
context->palette_name = NULL;
context->buffer = NULL;
context->imagefile = NULL;
}
static void
gimp_context_dispose (GObject *object)
{
GimpContext *context;
context = GIMP_CONTEXT (object);
if (context->gimp)
{
context->gimp->context_list = g_list_remove (context->gimp->context_list,
context);
context->gimp = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_context_finalize (GObject *object)
{
GimpContext *context;
context = GIMP_CONTEXT (object);
if (context->parent)
gimp_context_unset_parent (context);
context->image = NULL;
context->display = NULL;
if (context->tool_info)
{
g_object_unref (G_OBJECT (context->tool_info));
context->tool_info = NULL;
}
if (context->tool_name)
{
g_free (context->tool_name);
context->tool_name = NULL;
}
if (context->brush)
{
g_object_unref (G_OBJECT (context->brush));
context->brush = NULL;
}
if (context->brush_name)
{
g_free (context->brush_name);
context->brush_name = NULL;
}
if (context->pattern)
{
g_object_unref (G_OBJECT (context->pattern));
context->pattern = NULL;
}
if (context->pattern_name)
{
g_free (context->pattern_name);
context->pattern_name = NULL;
}
if (context->gradient)
{
g_object_unref (G_OBJECT (context->gradient));
context->gradient = NULL;
}
if (context->gradient_name)
{
g_free (context->gradient_name);
context->gradient_name = NULL;
}
if (context->palette)
{
g_object_unref (G_OBJECT (context->palette));
context->palette = NULL;
}
if (context->palette_name)
{
g_free (context->palette_name);
context->palette_name = NULL;
}
if (context->buffer)
{
g_object_unref (G_OBJECT (context->buffer));
context->buffer = NULL;
}
if (context->imagefile)
{
g_object_unref (G_OBJECT (context->imagefile));
context->imagefile = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_context_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpContext *context;
context = GIMP_CONTEXT (object);
switch (property_id)
{
case PROP_GIMP:
context->gimp = g_value_get_object (value);
context->gimp->context_list = g_list_prepend (context->gimp->context_list,
context);
break;
case PROP_IMAGE:
gimp_context_set_image (context, g_value_get_object (value));
break;
case PROP_DISPLAY:
gimp_context_set_display (context, g_value_get_pointer (value));
break;
case PROP_TOOL:
gimp_context_set_tool (context, g_value_get_object (value));
break;
case PROP_FOREGROUND:
gimp_context_set_foreground (context, g_value_get_pointer (value));
break;
case PROP_BACKGROUND:
gimp_context_set_background (context, g_value_get_pointer (value));
break;
case PROP_OPACITY:
gimp_context_set_opacity (context, g_value_get_double (value));
break;
case PROP_PAINT_MODE:
gimp_context_set_paint_mode (context, g_value_get_int (value));
break;
case PROP_BRUSH:
gimp_context_set_brush (context, g_value_get_object (value));
break;
case PROP_PATTERN:
gimp_context_set_pattern (context, g_value_get_object (value));
break;
case PROP_GRADIENT:
gimp_context_set_gradient (context, g_value_get_object (value));
break;
case PROP_PALETTE:
gimp_context_set_palette (context, g_value_get_object (value));
break;
case PROP_BUFFER:
gimp_context_set_buffer (context, g_value_get_object (value));
break;
case PROP_IMAGEFILE:
gimp_context_set_imagefile (context, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_context_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpContext *context;
context = GIMP_CONTEXT (object);
switch (property_id)
{
case PROP_GIMP:
g_value_set_object (value, context->gimp);
break;
case PROP_IMAGE:
g_value_set_object (value, gimp_context_get_image (context));
break;
case PROP_DISPLAY:
g_value_set_pointer (value, gimp_context_get_display (context));
break;
case PROP_TOOL:
g_value_set_object (value, gimp_context_get_tool (context));
break;
case PROP_FOREGROUND:
gimp_context_get_foreground (context, g_value_get_pointer (value));
break;
case PROP_BACKGROUND:
gimp_context_get_background (context, g_value_get_pointer (value));
break;
case PROP_OPACITY:
g_value_set_double (value, gimp_context_get_opacity (context));
break;
case PROP_PAINT_MODE:
g_value_set_int (value, gimp_context_get_paint_mode (context));
break;
case PROP_BRUSH:
g_value_set_object (value, gimp_context_get_brush (context));
break;
case PROP_PATTERN:
g_value_set_object (value, gimp_context_get_pattern (context));
break;
case PROP_GRADIENT:
g_value_set_object (value, gimp_context_get_gradient (context));
break;
case PROP_PALETTE:
g_value_set_object (value, gimp_context_get_palette (context));
break;
case PROP_BUFFER:
g_value_set_object (value, gimp_context_get_buffer (context));
break;
case PROP_IMAGEFILE:
g_value_set_object (value, gimp_context_get_imagefile (context));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/*****************************************************************************/
/* public functions ********************************************************/
GimpContext *
gimp_context_new (Gimp *gimp,
const gchar *name,
GimpContext *template)
{
GimpContext *context;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (! template || GIMP_IS_CONTEXT (template), NULL);
context = g_object_new (GIMP_TYPE_CONTEXT,
"name", name,
"gimp", gimp,
NULL);
g_signal_connect_object (G_OBJECT (gimp->images), "remove",
G_CALLBACK (gimp_context_image_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->tool_info_list), "remove",
G_CALLBACK (gimp_context_tool_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->tool_info_list), "thaw",
G_CALLBACK (gimp_context_tool_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->brush_factory->container), "remove",
G_CALLBACK (gimp_context_brush_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->brush_factory->container), "thaw",
G_CALLBACK (gimp_context_brush_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->pattern_factory->container), "remove",
G_CALLBACK (gimp_context_pattern_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->pattern_factory->container), "thaw",
G_CALLBACK (gimp_context_pattern_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->gradient_factory->container), "remove",
G_CALLBACK (gimp_context_gradient_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->gradient_factory->container), "thaw",
G_CALLBACK (gimp_context_gradient_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->palette_factory->container), "remove",
G_CALLBACK (gimp_context_palette_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->palette_factory->container), "thaw",
G_CALLBACK (gimp_context_palette_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->named_buffers), "remove",
G_CALLBACK (gimp_context_buffer_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->named_buffers), "thaw",
G_CALLBACK (gimp_context_buffer_list_thaw),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->documents), "remove",
G_CALLBACK (gimp_context_imagefile_removed),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (gimp->documents), "thaw",
G_CALLBACK (gimp_context_imagefile_list_thaw),
G_OBJECT (context),
0);
if (template)
{
context->defined_props = template->defined_props;
gimp_context_copy_properties (template, context,
GIMP_CONTEXT_ALL_PROPS_MASK);
}
return context;
}
const gchar *
gimp_context_get_name (const GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return gimp_object_get_name (GIMP_OBJECT (context));
}
void
gimp_context_set_name (GimpContext *context,
const gchar *name)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
if (! name)
name = _("Unnamed");
gimp_object_set_name (GIMP_OBJECT (context), name);
}
GimpContext *
gimp_context_get_parent (const GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->parent;
}
void
gimp_context_set_parent (GimpContext *context,
GimpContext *parent)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (! parent || GIMP_IS_CONTEXT (parent));
g_return_if_fail (context != parent);
if (context == parent || context->parent == parent)
return;
for (prop = 0; prop < GIMP_CONTEXT_NUM_PROPS; prop++)
if (! ((1 << prop) & context->defined_props))
{
gimp_context_copy_property (parent, context, prop);
g_signal_connect_object (G_OBJECT (parent),
gimp_context_signal_names[prop],
gimp_context_signal_handlers[prop],
G_OBJECT (context),
G_CONNECT_SWAPPED);
}
context->parent = parent;
}
void
gimp_context_unset_parent (GimpContext *context)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (GIMP_IS_CONTEXT (context->parent));
for (prop = 0; prop < GIMP_CONTEXT_NUM_PROPS; prop++)
if (! ((1 << prop) & context->defined_props))
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->parent),
gimp_context_signal_handlers[prop],
context);
}
context->parent = NULL;
}
/* define / undefinine context properties */
void
gimp_context_define_property (GimpContext *context,
GimpContextPropType prop,
gboolean defined)
{
GimpContextPropMask mask;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop >= 0) && (prop < GIMP_CONTEXT_NUM_PROPS));
mask = (1 << prop);
if (defined)
{
if (! (context->defined_props & mask))
{
context->defined_props |= mask;
if (context->parent)
g_signal_handlers_disconnect_by_func (G_OBJECT (context->parent),
gimp_context_signal_handlers[prop],
context);
}
}
else
{
if (context->defined_props & mask)
{
context->defined_props &= ~mask;
if (context->parent)
{
gimp_context_copy_property (context->parent, context, prop);
g_signal_connect_object (G_OBJECT (context->parent),
gimp_context_signal_names[prop],
gimp_context_signal_handlers[prop],
G_OBJECT (context),
G_CONNECT_SWAPPED);
}
}
}
}
gboolean
gimp_context_property_defined (GimpContext *context,
GimpContextPropType prop)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), FALSE);
return (context->defined_props & (1 << prop)) ? TRUE : FALSE;
}
void
gimp_context_define_properties (GimpContext *context,
GimpContextPropMask props_mask,
gboolean defined)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
for (prop = 0; prop < GIMP_CONTEXT_NUM_PROPS; prop++)
if ((1 << prop) & props_mask)
gimp_context_define_property (context, prop, defined);
}
/* copying context properties */
void
gimp_context_copy_property (GimpContext *src,
GimpContext *dest,
GimpContextPropType prop)
{
g_return_if_fail (GIMP_IS_CONTEXT (src));
g_return_if_fail (GIMP_IS_CONTEXT (dest));
g_return_if_fail ((prop >= 0) && (prop < GIMP_CONTEXT_NUM_PROPS));
gimp_context_copy_prop_funcs[prop] (src, dest);
}
void
gimp_context_copy_properties (GimpContext *src,
GimpContext *dest,
GimpContextPropMask props_mask)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (src));
g_return_if_fail (GIMP_IS_CONTEXT (dest));
for (prop = 0; prop < GIMP_CONTEXT_NUM_PROPS; prop++)
if ((1 << prop) & props_mask)
{
gimp_context_copy_property (src, dest, prop);
}
}
/* attribute access functions */
/*****************************************************************************/
/* manipulate by GType *****************************************************/
GimpContextPropType
gimp_context_type_to_property (GType type)
{
gint i;
for (i = 0; i < GIMP_CONTEXT_NUM_PROPS; i++)
{
if (g_type_is_a (type, gimp_context_prop_types[i]))
return i;
}
return -1;
}
const gchar *
gimp_context_type_to_signal_name (GType type)
{
gint i;
for (i = 0; i < GIMP_CONTEXT_NUM_PROPS; i++)
{
if (g_type_is_a (type, gimp_context_prop_types[i]))
return gimp_context_signal_names[i];
}
return NULL;
}
GimpObject *
gimp_context_get_by_type (GimpContext *context,
GType type)
{
GimpContextPropType prop;
GimpObject *object = NULL;
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail ((prop = gimp_context_type_to_property (type)) != -1,
NULL);
g_object_get (G_OBJECT (context),
gimp_context_prop_names[prop], &object,
NULL);
return object;
}
void
gimp_context_set_by_type (GimpContext *context,
GType type,
GimpObject *object)
{
GimpContextPropType prop;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop = gimp_context_type_to_property (type)) != -1);
g_object_set (G_OBJECT (context),
gimp_context_prop_names[prop], object,
NULL);
}
void
gimp_context_changed_by_type (GimpContext *context,
GType type)
{
GimpContextPropType prop;
GimpObject *object;
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail ((prop = gimp_context_type_to_property (type)) != -1);
object = gimp_context_get_by_type (context, type);
g_signal_emit (G_OBJECT (context),
gimp_context_signals[prop], 0,
object);
}
/*****************************************************************************/
/* image *******************************************************************/
GimpImage *
gimp_context_get_image (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->image;
}
void
gimp_context_set_image (GimpContext *context,
GimpImage *image)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_IMAGE_MASK);
gimp_context_real_set_image (context, image);
}
void
gimp_context_image_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[IMAGE_CHANGED], 0,
context->image);
}
/* handle disappearing images */
static void
gimp_context_image_removed (GimpContainer *container,
GimpImage *image,
GimpContext *context)
{
if (context->image == image)
gimp_context_real_set_image (context, NULL);
}
static void
gimp_context_real_set_image (GimpContext *context,
GimpImage *image)
{
if (context->image == image)
return;
context->image = image;
gimp_context_image_changed (context);
}
static void
gimp_context_copy_image (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_image (dest, src->image);
}
/*****************************************************************************/
/* display *****************************************************************/
gpointer
gimp_context_get_display (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->display;
}
void
gimp_context_set_display (GimpContext *context,
gpointer display)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_DISPLAY_MASK);
gimp_context_real_set_display (context, display);
}
void
gimp_context_display_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[DISPLAY_CHANGED], 0,
context->display);
}
/* handle dissapearing displays */
static void
gimp_context_display_destroy (GObject *disp_shell,
GimpContext *context)
{
context->display = NULL;
gimp_context_real_set_image (context, NULL);
gimp_context_display_changed (context);
}
static void
gimp_context_real_set_display (GimpContext *context,
gpointer display)
{
#ifdef __GNUC__
#warning FIXME: EEKWrapper
#endif
typedef struct
{
GimpObject foo;
gint bar;
GimpImage *gimage;
gint baz;
GObject *shell;
} EEKWrapper;
EEKWrapper *eek_wrapper;
if (context->display == display)
return;
if (context->display)
{
eek_wrapper = (EEKWrapper *) context->display;
if (G_IS_OBJECT (eek_wrapper->shell))
g_signal_handlers_disconnect_by_func (eek_wrapper->shell,
gimp_context_display_destroy,
context);
}
context->display = display;
if (context->display)
{
eek_wrapper = (EEKWrapper *) context->display;
g_signal_connect_object (G_OBJECT (eek_wrapper->shell), "destroy",
G_CALLBACK (gimp_context_display_destroy),
G_OBJECT (context),
0);
gimp_context_real_set_image (context, eek_wrapper->gimage);
}
gimp_context_display_changed (context);
}
static void
gimp_context_copy_display (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_display (dest, src->display);
}
/*****************************************************************************/
/* tool ********************************************************************/
static GimpToolInfo *standard_tool_info = NULL;
GimpToolInfo *
gimp_context_get_tool (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->tool_info;
}
void
gimp_context_set_tool (GimpContext *context,
GimpToolInfo *tool_info)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (! tool_info || GIMP_IS_TOOL_INFO (tool_info));
context_find_defined (context, GIMP_CONTEXT_TOOL_MASK);
gimp_context_real_set_tool (context, tool_info);
}
void
gimp_context_tool_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[TOOL_CHANGED], 0,
context->tool_info);
}
/* the active tool was modified */
static void
gimp_context_tool_dirty (GimpToolInfo *tool_info,
GimpContext *context)
{
g_free (context->tool_name);
context->tool_name = g_strdup (GIMP_OBJECT (tool_info)->name);
gimp_context_tool_changed (context);
}
/* the global tool list is there again after refresh */
static void
gimp_context_tool_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpToolInfo *tool_info;
if (! context->tool_name)
context->tool_name = g_strdup ("gimp:rect-select-tool");
if ((tool_info = (GimpToolInfo *)
gimp_container_get_child_by_name (container,
context->tool_name)))
{
gimp_context_real_set_tool (context, tool_info);
return;
}
if (gimp_container_num_children (container))
gimp_context_real_set_tool
(context,
GIMP_TOOL_INFO (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_real_set_tool (context, gimp_tool_info_get_standard (context->gimp));
}
/* the active tool disappeared */
static void
gimp_context_tool_removed (GimpContainer *container,
GimpToolInfo *tool_info,
GimpContext *context)
{
if (tool_info == context->tool_info)
{
context->tool_info = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (tool_info),
gimp_context_tool_dirty,
context);
g_object_unref (G_OBJECT (tool_info));
if (! gimp_container_frozen (container))
gimp_context_tool_list_thaw (container, context);
}
}
static void
gimp_context_real_set_tool (GimpContext *context,
GimpToolInfo *tool_info)
{
if (! standard_tool_info)
standard_tool_info = gimp_tool_info_get_standard (context->gimp);
if (context->tool_info == tool_info)
return;
if (context->tool_name && tool_info != standard_tool_info)
{
g_free (context->tool_name);
context->tool_name = NULL;
}
/* disconnect from the old tool's signals */
if (context->tool_info)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->tool_info),
gimp_context_tool_dirty,
context);
g_object_unref (G_OBJECT (context->tool_info));
}
context->tool_info = tool_info;
if (tool_info)
{
g_object_ref (G_OBJECT (tool_info));
g_signal_connect_object (G_OBJECT (tool_info), "invalidate_preview",
G_CALLBACK (gimp_context_tool_dirty),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (tool_info), "name_changed",
G_CALLBACK (gimp_context_tool_dirty),
G_OBJECT (context),
0);
if (tool_info != standard_tool_info)
context->tool_name = g_strdup (GIMP_OBJECT (tool_info)->name);
}
gimp_context_tool_changed (context);
}
static void
gimp_context_copy_tool (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_tool (dest, src->tool_info);
if ((! src->tool_info || src->tool_info == standard_tool_info) &&
src->tool_name)
{
g_free (dest->tool_name);
dest->tool_name = g_strdup (src->tool_name);
}
}
/*****************************************************************************/
/* foreground color ********************************************************/
void
gimp_context_get_foreground (GimpContext *context,
GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
*color = context->foreground;
}
void
gimp_context_set_foreground (GimpContext *context,
const GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
context_find_defined (context, GIMP_CONTEXT_FOREGROUND_MASK);
gimp_context_real_set_foreground (context, color);
}
void
gimp_context_foreground_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[FOREGROUND_CHANGED], 0,
&context->foreground);
}
static void
gimp_context_real_set_foreground (GimpContext *context,
const GimpRGB *color)
{
if (gimp_rgba_distance (&context->foreground, color) < 0.0001)
return;
context->foreground = *color;
gimp_context_foreground_changed (context);
}
static void
gimp_context_copy_foreground (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_foreground (dest, &src->foreground);
}
/*****************************************************************************/
/* background color ********************************************************/
void
gimp_context_get_background (GimpContext *context,
GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
*color = context->background;
}
void
gimp_context_set_background (GimpContext *context,
const GimpRGB *color)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (color != NULL);
context_find_defined (context, GIMP_CONTEXT_BACKGROUND_MASK);
gimp_context_real_set_background (context, color);
}
void
gimp_context_background_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[BACKGROUND_CHANGED], 0,
&context->background);
}
static void
gimp_context_real_set_background (GimpContext *context,
const GimpRGB *color)
{
if (gimp_rgba_distance (&context->background, color) < 0.0001)
return;
context->background = *color;
gimp_context_background_changed (context);
}
static void
gimp_context_copy_background (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_background (dest, &src->background);
}
/*****************************************************************************/
/* color utility functions *************************************************/
void
gimp_context_set_default_colors (GimpContext *context)
{
GimpContext *bg_context;
GimpRGB fg;
GimpRGB bg;
bg_context = context;
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_FOREGROUND_MASK);
context_find_defined (bg_context, GIMP_CONTEXT_BACKGROUND_MASK);
gimp_rgba_set (&fg, 0.0, 0.0, 0.0, 1.0);
gimp_rgba_set (&bg, 1.0, 1.0, 1.0, 1.0);
gimp_context_real_set_foreground (context, &fg);
gimp_context_real_set_background (bg_context, &bg);
}
void
gimp_context_swap_colors (GimpContext *context)
{
GimpContext *bg_context;
GimpRGB fg;
GimpRGB bg;
bg_context = context;
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_FOREGROUND_MASK);
context_find_defined (bg_context, GIMP_CONTEXT_BACKGROUND_MASK);
gimp_context_get_foreground (context, &fg);
gimp_context_get_background (bg_context, &bg);
gimp_context_real_set_foreground (context, &bg);
gimp_context_real_set_background (bg_context, &fg);
}
/*****************************************************************************/
/* opacity *****************************************************************/
gdouble
gimp_context_get_opacity (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), 1.0);
return context->opacity;
}
void
gimp_context_set_opacity (GimpContext *context,
gdouble opacity)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_OPACITY_MASK);
gimp_context_real_set_opacity (context, opacity);
}
void
gimp_context_opacity_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[OPACITY_CHANGED], 0,
context->opacity);
}
static void
gimp_context_real_set_opacity (GimpContext *context,
gdouble opacity)
{
if (context->opacity == opacity)
return;
context->opacity = opacity;
gimp_context_opacity_changed (context);
}
static void
gimp_context_copy_opacity (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_opacity (dest, src->opacity);
}
/*****************************************************************************/
/* paint mode **************************************************************/
GimpLayerModeEffects
gimp_context_get_paint_mode (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), GIMP_NORMAL_MODE);
return context->paint_mode;
}
void
gimp_context_set_paint_mode (GimpContext *context,
GimpLayerModeEffects paint_mode)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PAINT_MODE_MASK);
gimp_context_real_set_paint_mode (context, paint_mode);
}
void
gimp_context_paint_mode_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[PAINT_MODE_CHANGED], 0,
context->paint_mode);
}
static void
gimp_context_real_set_paint_mode (GimpContext *context,
GimpLayerModeEffects paint_mode)
{
if (context->paint_mode == paint_mode)
return;
context->paint_mode = paint_mode;
gimp_context_paint_mode_changed (context);
}
static void
gimp_context_copy_paint_mode (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_paint_mode (dest, src->paint_mode);
}
/*****************************************************************************/
/* brush *******************************************************************/
static GimpBrush *standard_brush = NULL;
GimpBrush *
gimp_context_get_brush (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->brush;
}
void
gimp_context_set_brush (GimpContext *context,
GimpBrush *brush)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (! brush || GIMP_IS_BRUSH (brush));
context_find_defined (context, GIMP_CONTEXT_BRUSH_MASK);
gimp_context_real_set_brush (context, brush);
}
void
gimp_context_brush_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[BRUSH_CHANGED], 0,
context->brush);
}
/* the active brush was modified */
static void
gimp_context_brush_dirty (GimpBrush *brush,
GimpContext *context)
{
g_free (context->brush_name);
context->brush_name = g_strdup (GIMP_OBJECT (brush)->name);
gimp_context_brush_changed (context);
}
/* the global brush list is there again after refresh */
static void
gimp_context_brush_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpBrush *brush;
if (! context->brush_name)
context->brush_name = g_strdup (context->gimp->config->default_brush);
if ((brush = (GimpBrush *)
gimp_container_get_child_by_name (container,
context->brush_name)))
{
gimp_context_real_set_brush (context, brush);
return;
}
if (gimp_container_num_children (container))
gimp_context_real_set_brush
(context, GIMP_BRUSH (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_real_set_brush (context,
GIMP_BRUSH (gimp_brush_get_standard ()));
}
/* the active brush disappeared */
static void
gimp_context_brush_removed (GimpContainer *container,
GimpBrush *brush,
GimpContext *context)
{
if (brush == context->brush)
{
context->brush = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (brush),
gimp_context_brush_dirty,
context);
g_object_unref (G_OBJECT (brush));
if (! gimp_container_frozen (container))
gimp_context_brush_list_thaw (container, context);
}
}
static void
gimp_context_real_set_brush (GimpContext *context,
GimpBrush *brush)
{
if (! standard_brush)
standard_brush = GIMP_BRUSH (gimp_brush_get_standard ());
if (context->brush == brush)
return;
if (context->brush_name && brush != standard_brush)
{
g_free (context->brush_name);
context->brush_name = NULL;
}
/* disconnect from the old brush's signals */
if (context->brush)
{
/* make sure the active brush is swapped before we get a new one... */
if (base_config->stingy_memory_use &&
context->brush->mask &&
G_OBJECT (context->brush)->ref_count == 2)
{
temp_buf_swap (context->brush->mask);
}
g_signal_handlers_disconnect_by_func (G_OBJECT (context->brush),
gimp_context_brush_dirty,
context);
g_object_unref (G_OBJECT (context->brush));
}
context->brush = brush;
if (brush)
{
g_object_ref (G_OBJECT (brush));
g_signal_connect_object (G_OBJECT (brush), "invalidate_preview",
G_CALLBACK (gimp_context_brush_dirty),
G_OBJECT (context),
0);
g_signal_connect_object (G_OBJECT (brush), "name_changed",
G_CALLBACK (gimp_context_brush_dirty),
G_OBJECT (context),
0);
/* Make sure the active brush is unswapped... */
if (base_config->stingy_memory_use &&
brush->mask &&
G_OBJECT (brush)->ref_count < 2)
{
temp_buf_unswap (brush->mask);
}
if (brush != standard_brush)
context->brush_name = g_strdup (GIMP_OBJECT (brush)->name);
}
gimp_context_brush_changed (context);
}
static void
gimp_context_copy_brush (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_brush (dest, src->brush);
if ((! src->brush || src->brush == standard_brush) && src->brush_name)
{
g_free (dest->brush_name);
dest->brush_name = g_strdup (src->brush_name);
}
}
/*****************************************************************************/
/* pattern *****************************************************************/
static GimpPattern *standard_pattern = NULL;
GimpPattern *
gimp_context_get_pattern (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->pattern;
}
void
gimp_context_set_pattern (GimpContext *context,
GimpPattern *pattern)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PATTERN_MASK);
gimp_context_real_set_pattern (context, pattern);
}
void
gimp_context_pattern_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[PATTERN_CHANGED], 0,
context->pattern);
}
/* the active pattern was modified */
static void
gimp_context_pattern_dirty (GimpPattern *pattern,
GimpContext *context)
{
g_free (context->pattern_name);
context->pattern_name = g_strdup (GIMP_OBJECT (pattern)->name);
gimp_context_pattern_changed (context);
}
/* the global pattern list is there again after refresh */
static void
gimp_context_pattern_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpPattern *pattern;
if (! context->pattern_name)
context->pattern_name = g_strdup (context->gimp->config->default_pattern);
if ((pattern = (GimpPattern *)
gimp_container_get_child_by_name (container,
context->pattern_name)))
{
gimp_context_real_set_pattern (context, pattern);
return;
}
if (gimp_container_num_children (container))
gimp_context_real_set_pattern
(context,
GIMP_PATTERN (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_real_set_pattern (context,
GIMP_PATTERN (gimp_pattern_get_standard ()));
}
/* the active pattern disappeared */
static void
gimp_context_pattern_removed (GimpContainer *container,
GimpPattern *pattern,
GimpContext *context)
{
if (pattern == context->pattern)
{
context->pattern = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (pattern),
gimp_context_pattern_dirty,
context);
g_object_unref (G_OBJECT (pattern));
if (! gimp_container_frozen (container))
gimp_context_pattern_list_thaw (container, context);
}
}
static void
gimp_context_real_set_pattern (GimpContext *context,
GimpPattern *pattern)
{
if (! standard_pattern)
standard_pattern = GIMP_PATTERN (gimp_pattern_get_standard ());
if (context->pattern == pattern)
return;
if (context->pattern_name && pattern != standard_pattern)
{
g_free (context->pattern_name);
context->pattern_name = NULL;
}
/* make sure the active pattern is swapped before we get a new one... */
if (base_config->stingy_memory_use &&
context->pattern && context->pattern->mask &&
G_OBJECT (context->pattern)->ref_count == 2)
{
temp_buf_swap (pattern->mask);
}
/* disconnect from the old pattern's signals */
if (context->pattern)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->pattern),
gimp_context_pattern_dirty,
context);
g_object_unref (G_OBJECT (context->pattern));
}
context->pattern = pattern;
if (pattern)
{
g_object_ref (G_OBJECT (pattern));
g_signal_connect_object (G_OBJECT (pattern), "name_changed",
G_CALLBACK (gimp_context_pattern_dirty),
G_OBJECT (context),
0);
/* Make sure the active pattern is unswapped... */
if (base_config->stingy_memory_use &&
pattern->mask &&
G_OBJECT (pattern)->ref_count < 2)
{
temp_buf_unswap (pattern->mask);
}
if (pattern != standard_pattern)
context->pattern_name = g_strdup (GIMP_OBJECT (pattern)->name);
}
gimp_context_pattern_changed (context);
}
static void
gimp_context_copy_pattern (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_pattern (dest, src->pattern);
if ((!src->pattern || src->pattern == standard_pattern) && src->pattern_name)
{
g_free (dest->pattern_name);
dest->pattern_name = g_strdup (src->pattern_name);
}
}
/*****************************************************************************/
/* gradient ****************************************************************/
static GimpGradient *standard_gradient = NULL;
GimpGradient *
gimp_context_get_gradient (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->gradient;
}
void
gimp_context_set_gradient (GimpContext *context,
GimpGradient *gradient)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_GRADIENT_MASK);
gimp_context_real_set_gradient (context, gradient);
}
void
gimp_context_gradient_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[GRADIENT_CHANGED], 0,
context->gradient);
}
/* the active gradient was modified */
static void
gimp_context_gradient_dirty (GimpGradient *gradient,
GimpContext *context)
{
g_free (context->gradient_name);
context->gradient_name = g_strdup (GIMP_OBJECT (gradient)->name);
gimp_context_gradient_changed (context);
}
/* the global gradient list is there again after refresh */
static void
gimp_context_gradient_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpGradient *gradient;
if (! context->gradient_name)
context->gradient_name = g_strdup (context->gimp->config->default_gradient);
if ((gradient = (GimpGradient *)
gimp_container_get_child_by_name (container,
context->gradient_name)))
{
gimp_context_real_set_gradient (context, gradient);
return;
}
if (gimp_container_num_children (container))
gimp_context_real_set_gradient
(context,
GIMP_GRADIENT (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_real_set_gradient (context,
GIMP_GRADIENT (gimp_gradient_get_standard ()));
}
/* the active gradient disappeared */
static void
gimp_context_gradient_removed (GimpContainer *container,
GimpGradient *gradient,
GimpContext *context)
{
if (gradient == context->gradient)
{
context->gradient = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (gradient),
gimp_context_gradient_dirty,
context);
g_object_unref (G_OBJECT (gradient));
if (! gimp_container_frozen (container))
gimp_context_gradient_list_thaw (container, context);
}
}
static void
gimp_context_real_set_gradient (GimpContext *context,
GimpGradient *gradient)
{
if (! standard_gradient)
standard_gradient = GIMP_GRADIENT (gimp_gradient_get_standard ());
if (context->gradient == gradient)
return;
if (context->gradient_name && gradient != standard_gradient)
{
g_free (context->gradient_name);
context->gradient_name = NULL;
}
/* disconnect from the old gradient's signals */
if (context->gradient)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->gradient),
gimp_context_gradient_dirty,
context);
g_object_unref (G_OBJECT (context->gradient));
}
context->gradient = gradient;
if (gradient)
{
g_object_ref (G_OBJECT (gradient));
g_signal_connect_object (G_OBJECT (gradient), "name_changed",
G_CALLBACK (gimp_context_gradient_dirty),
G_OBJECT (context),
0);
if (gradient != standard_gradient)
context->gradient_name = g_strdup (GIMP_OBJECT (gradient)->name);
}
gimp_context_gradient_changed (context);
}
static void
gimp_context_copy_gradient (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_gradient (dest, src->gradient);
if ((!src->gradient || src->gradient == standard_gradient) &&
src->gradient_name)
{
g_free (dest->gradient_name);
dest->gradient_name = g_strdup (src->gradient_name);
}
}
/*****************************************************************************/
/* palette *****************************************************************/
static GimpPalette *standard_palette = NULL;
GimpPalette *
gimp_context_get_palette (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->palette;
}
void
gimp_context_set_palette (GimpContext *context,
GimpPalette *palette)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_PALETTE_MASK);
gimp_context_real_set_palette (context, palette);
}
void
gimp_context_palette_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[PALETTE_CHANGED], 0,
context->palette);
}
/* the active palette was modified */
static void
gimp_context_palette_dirty (GimpPalette *palette,
GimpContext *context)
{
g_free (context->palette_name);
context->palette_name = g_strdup (GIMP_OBJECT (palette)->name);
gimp_context_palette_changed (context);
}
/* the global gradient list is there again after refresh */
static void
gimp_context_palette_list_thaw (GimpContainer *container,
GimpContext *context)
{
GimpPalette *palette;
if (! context->palette_name)
context->palette_name = g_strdup (context->gimp->config->default_palette);
if ((palette = (GimpPalette *)
gimp_container_get_child_by_name (container,
context->palette_name)))
{
gimp_context_real_set_palette (context, palette);
return;
}
if (gimp_container_num_children (container))
gimp_context_real_set_palette
(context,
GIMP_PALETTE (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_real_set_palette (context,
GIMP_PALETTE (gimp_palette_get_standard ()));
}
/* the active palette disappeared */
static void
gimp_context_palette_removed (GimpContainer *container,
GimpPalette *palette,
GimpContext *context)
{
if (palette == context->palette)
{
context->palette = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (palette),
gimp_context_palette_dirty,
context);
g_object_unref (G_OBJECT (palette));
if (! gimp_container_frozen (container))
gimp_context_palette_list_thaw (container, context);
}
}
static void
gimp_context_real_set_palette (GimpContext *context,
GimpPalette *palette)
{
if (! standard_palette)
standard_palette = GIMP_PALETTE (gimp_palette_get_standard ());
if (context->palette == palette)
return;
if (context->palette_name && palette != standard_palette)
{
g_free (context->palette_name);
context->palette_name = NULL;
}
/* disconnect from the old palette's signals */
if (context->palette)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->palette),
gimp_context_palette_dirty,
context);
g_object_unref (G_OBJECT (context->palette));
}
context->palette = palette;
if (palette)
{
g_object_ref (G_OBJECT (palette));
g_signal_connect_object (G_OBJECT (palette), "name_changed",
G_CALLBACK (gimp_context_palette_dirty),
G_OBJECT (context),
0);
if (palette != standard_palette)
context->palette_name = g_strdup (GIMP_OBJECT (palette)->name);
}
gimp_context_palette_changed (context);
}
static void
gimp_context_copy_palette (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_palette (dest, src->palette);
if ((!src->palette || src->palette == standard_palette) && src->palette_name)
{
g_free (dest->palette_name);
dest->palette_name = g_strdup (src->palette_name);
}
}
/*****************************************************************************/
/* buffer ******************************************************************/
/*
static GimpBuffer *standard_buffer = NULL;
*/
GimpBuffer *
gimp_context_get_buffer (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->buffer;
}
void
gimp_context_set_buffer (GimpContext *context,
GimpBuffer *buffer)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_BUFFER_MASK);
gimp_context_real_set_buffer (context, buffer);
}
void
gimp_context_buffer_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[BUFFER_CHANGED], 0,
context->buffer);
}
/* the active buffer was modified */
static void
gimp_context_buffer_dirty (GimpBuffer *buffer,
GimpContext *context)
{
/*
g_free (context->buffer_name);
context->buffer_name = g_strdup (GIMP_OBJECT (buffer)->name);
*/
gimp_context_buffer_changed (context);
}
/* the global gradient list is there again after refresh */
static void
gimp_context_buffer_list_thaw (GimpContainer *container,
GimpContext *context)
{
/*
GimpBuffer *buffer;
if (! context->buffer_name)
context->buffer_name = g_strdup (context->gimp->config->default_buffer);
if ((buffer = (GimpBuffer *)
gimp_container_get_child_by_name (container,
context->buffer_name)))
{
gimp_context_real_set_buffer (context, buffer);
return;
}
*/
if (gimp_container_num_children (container))
gimp_context_real_set_buffer
(context,
GIMP_BUFFER (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_buffer_changed (context);
/*
else
gimp_context_real_set_buffer (context,
GIMP_BUFFER (gimp_buffer_get_standard ()));
*/
}
/* the active buffer disappeared */
static void
gimp_context_buffer_removed (GimpContainer *container,
GimpBuffer *buffer,
GimpContext *context)
{
if (buffer == context->buffer)
{
context->buffer = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (buffer),
gimp_context_buffer_dirty,
context);
g_object_unref (G_OBJECT (buffer));
if (! gimp_container_frozen (container))
gimp_context_buffer_list_thaw (container, context);
}
}
static void
gimp_context_real_set_buffer (GimpContext *context,
GimpBuffer *buffer)
{
/*
if (! standard_buffer)
standard_buffer = GIMP_BUFFER (gimp_buffer_get_standard ());
*/
if (context->buffer == buffer)
return;
/*
if (context->buffer_name && buffer != standard_buffer)
{
g_free (context->buffer_name);
context->buffer_name = NULL;
}
*/
/* disconnect from the old buffer's signals */
if (context->buffer)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->buffer),
gimp_context_buffer_dirty,
context);
g_object_unref (G_OBJECT (context->buffer));
}
context->buffer = buffer;
if (buffer)
{
g_object_ref (G_OBJECT (buffer));
g_signal_connect_object (G_OBJECT (buffer), "name_changed",
G_CALLBACK (gimp_context_buffer_dirty),
G_OBJECT (context),
0);
/*
if (buffer != standard_buffer)
context->buffer_name = g_strdup (GIMP_OBJECT (buffer)->name);
*/
}
gimp_context_buffer_changed (context);
}
static void
gimp_context_copy_buffer (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_buffer (dest, src->buffer);
/*
if ((!src->buffer || src->buffer == standard_buffer) && src->buffer_name)
{
g_free (dest->buffer_name);
dest->buffer_name = g_strdup (src->buffer_name);
}
*/
}
/*****************************************************************************/
/* imagefile ***************************************************************/
/*
static GimpImagefile *standard_imagefile = NULL;
*/
GimpImagefile *
gimp_context_get_imagefile (GimpContext *context)
{
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return context->imagefile;
}
void
gimp_context_set_imagefile (GimpContext *context,
GimpImagefile *imagefile)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
context_find_defined (context, GIMP_CONTEXT_IMAGEFILE_MASK);
gimp_context_real_set_imagefile (context, imagefile);
}
void
gimp_context_imagefile_changed (GimpContext *context)
{
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_signal_emit (G_OBJECT (context),
gimp_context_signals[IMAGEFILE_CHANGED], 0,
context->imagefile);
}
/* the active imagefile was modified */
static void
gimp_context_imagefile_dirty (GimpImagefile *imagefile,
GimpContext *context)
{
/*
g_free (context->imagefile_name);
context->imagefile_name = g_strdup (GIMP_OBJECT (imagefile)->name);
*/
gimp_context_imagefile_changed (context);
}
/* the global gradient list is there again after refresh */
static void
gimp_context_imagefile_list_thaw (GimpContainer *container,
GimpContext *context)
{
/*
GimpBuffer *imagefile;
if (! context->imagefile_name)
context->imagefile_name = g_strdup (context->gimp->config->default_imagefile);
if ((imagefile = (GimpImagefile *)
gimp_container_get_child_by_name (container,
context->imagefile_name)))
{
gimp_context_real_set_imagefile (context, imagefile);
return;
}
*/
if (gimp_container_num_children (container))
gimp_context_real_set_imagefile
(context,
GIMP_IMAGEFILE (gimp_container_get_child_by_index (container, 0)));
else
gimp_context_imagefile_changed (context);
/*
else
gimp_context_real_set_imagefile (context,
GIMP_IMAGEFILE (gimp_imagefile_get_standard ()));
*/
}
/* the active imagefile disappeared */
static void
gimp_context_imagefile_removed (GimpContainer *container,
GimpImagefile *imagefile,
GimpContext *context)
{
if (imagefile == context->imagefile)
{
context->imagefile = NULL;
g_signal_handlers_disconnect_by_func (G_OBJECT (imagefile),
gimp_context_imagefile_dirty,
context);
g_object_unref (G_OBJECT (imagefile));
if (! gimp_container_frozen (container))
gimp_context_imagefile_list_thaw (container, context);
}
}
static void
gimp_context_real_set_imagefile (GimpContext *context,
GimpImagefile *imagefile)
{
/*
if (! standard_imagefile)
standard_imagefile = GIMP_IMAGEFILE (gimp_imagefile_get_standard ());
*/
if (context->imagefile == imagefile)
return;
/*
if (context->imagefile_name && imagefile != standard_imagefile)
{
g_free (context->imagefile_name);
context->imagefile_name = NULL;
}
*/
/* disconnect from the old imagefile's signals */
if (context->imagefile)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (context->imagefile),
gimp_context_imagefile_dirty,
context);
g_object_unref (G_OBJECT (context->imagefile));
}
context->imagefile = imagefile;
if (imagefile)
{
g_object_ref (G_OBJECT (imagefile));
g_signal_connect_object (G_OBJECT (imagefile), "name_changed",
G_CALLBACK (gimp_context_imagefile_dirty),
G_OBJECT (context),
0);
/*
if (imagefile != standard_imagefile)
context->imagefile_name = g_strdup (GIMP_OBJECT (imagefile)->name);
*/
}
gimp_context_imagefile_changed (context);
}
static void
gimp_context_copy_imagefile (GimpContext *src,
GimpContext *dest)
{
gimp_context_real_set_imagefile (dest, src->imagefile);
/*
if ((!src->imagefile || src->imagefile == standard_imagefile) && src->imagefile_name)
{
g_free (dest->imagefile_name);
dest->imagefile_name = g_strdup (src->imagefile_name);
}
*/
}
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