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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbrushcache.c
* Copyright (C) 2011 Michael Natterer <mitch@gimp.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include "core-types.h"
#include "gimpbrushcache.h"
#include "gimp-log.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_DATA_DESTROY
};
static void gimp_brush_cache_constructed (GObject *object);
static void gimp_brush_cache_finalize (GObject *object);
static void gimp_brush_cache_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_brush_cache_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GimpBrushCache, gimp_brush_cache, GIMP_TYPE_OBJECT)
#define parent_class gimp_brush_cache_parent_class
static void
gimp_brush_cache_class_init (GimpBrushCacheClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_brush_cache_constructed;
object_class->finalize = gimp_brush_cache_finalize;
object_class->set_property = gimp_brush_cache_set_property;
object_class->get_property = gimp_brush_cache_get_property;
g_object_class_install_property (object_class, PROP_DATA_DESTROY,
g_param_spec_pointer ("data-destroy",
NULL, NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_brush_cache_init (GimpBrushCache *brush)
{
}
static void
gimp_brush_cache_constructed (GObject *object)
{
GimpBrushCache *cache = GIMP_BRUSH_CACHE (object);
if (G_OBJECT_CLASS (parent_class)->constructed)
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (cache->data_destroy != NULL);
}
static void
gimp_brush_cache_finalize (GObject *object)
{
GimpBrushCache *cache = GIMP_BRUSH_CACHE (object);
if (cache->last_data)
{
cache->data_destroy (cache->last_data);
cache->last_data = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_brush_cache_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpBrushCache *cache = GIMP_BRUSH_CACHE (object);
switch (property_id)
{
case PROP_DATA_DESTROY:
cache->data_destroy = g_value_get_pointer (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_brush_cache_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpBrushCache *cache = GIMP_BRUSH_CACHE (object);
switch (property_id)
{
case PROP_DATA_DESTROY:
g_value_set_pointer (value, cache->data_destroy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
/* public functions */
GimpBrushCache *
gimp_brush_cache_new (GDestroyNotify data_destroy,
gchar debug_hit,
gchar debug_miss)
{
GimpBrushCache *cache;
g_return_val_if_fail (data_destroy != NULL, NULL);
cache = g_object_new (GIMP_TYPE_BRUSH_CACHE,
"data-destroy", data_destroy,
NULL);
cache->debug_hit = debug_hit;
cache->debug_miss = debug_miss;
return cache;
}
void
gimp_brush_cache_clear (GimpBrushCache *cache)
{
g_return_if_fail (GIMP_IS_BRUSH_CACHE (cache));
if (cache->last_data)
{
cache->data_destroy (cache->last_data);
cache->last_data = NULL;
}
}
gconstpointer
gimp_brush_cache_get (GimpBrushCache *cache,
gint width,
gint height,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gdouble hardness)
{
g_return_val_if_fail (GIMP_IS_BRUSH_CACHE (cache), NULL);
if (cache->last_data &&
cache->last_width == width &&
cache->last_height == height &&
cache->last_scale == scale &&
cache->last_aspect_ratio == aspect_ratio &&
cache->last_angle == angle &&
cache->last_hardness == hardness)
{
if (gimp_log_flags & GIMP_LOG_BRUSH_CACHE)
g_printerr ("%c", cache->debug_hit);
return (gconstpointer) cache->last_data;
}
if (gimp_log_flags & GIMP_LOG_BRUSH_CACHE)
g_printerr ("%c", cache->debug_miss);
return NULL;
}
void
gimp_brush_cache_add (GimpBrushCache *cache,
gpointer data,
gint width,
gint height,
gdouble scale,
gdouble aspect_ratio,
gdouble angle,
gdouble hardness)
{
g_return_if_fail (GIMP_IS_BRUSH_CACHE (cache));
g_return_if_fail (data != NULL);
if (data == cache->last_data)
return;
if (cache->last_data)
cache->data_destroy (cache->last_data);
cache->last_data = data;
cache->last_width = width;
cache->last_height = height;
cache->last_scale = scale;
cache->last_aspect_ratio = aspect_ratio;
cache->last_angle = angle;
cache->last_hardness = hardness;
}
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