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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis, and others
*
* gimp-gradients.c
* Copyright (C) 2002 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "core-types.h"
#include "gimp.h"
#include "gimp-gradients.h"
#include "gimpcontext.h"
#include "gimpcontainer.h"
#include "gimpdatafactory.h"
#include "gimpgradient.h"
#include "gimp-intl.h"
#define CUSTOM_KEY "gimp-gradient-custom"
#define FG_BG_RGB_KEY "gimp-gradient-fg-bg-rgb"
#define FG_BG_HARDEDGE_KEY "gimp-gradient-fg-bg-rgb-hardedge"
#define FG_BG_HSV_CCW_KEY "gimp-gradient-fg-bg-hsv-ccw"
#define FG_BG_HSV_CW_KEY "gimp-gradient-fg-bg-hsv-cw"
#define FG_TRANSPARENT_KEY "gimp-gradient-fg-transparent"
/* local function prototypes */
static GimpGradient * gimp_gradients_add_gradient (Gimp *gimp,
const gchar *name,
const gchar *id);
/* public functions */
void
gimp_gradients_init (Gimp *gimp)
{
GimpGradient *gradient;
g_return_if_fail (GIMP_IS_GIMP (gimp));
/* Custom */
gradient = gimp_gradients_add_gradient (gimp,
_("Custom"),
CUSTOM_KEY);
g_object_set (gradient,
"writable", TRUE,
NULL);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
/* FG to BG (RGB) */
gradient = gimp_gradients_add_gradient (gimp,
_("FG to BG (RGB)"),
FG_BG_RGB_KEY);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
gimp_context_set_gradient (gimp->user_context, gradient);
/* FG to BG (Hardedge) */
gradient = gimp_gradients_add_gradient (gimp,
_("FG to BG (Hardedge)"),
FG_BG_HARDEDGE_KEY);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
gradient->segments->type = GIMP_GRADIENT_SEGMENT_STEP;
/* FG to BG (HSV counter-clockwise) */
gradient = gimp_gradients_add_gradient (gimp,
_("FG to BG (HSV counter-clockwise)"),
FG_BG_HSV_CCW_KEY);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
gradient->segments->color = GIMP_GRADIENT_SEGMENT_HSV_CCW;
/* FG to BG (HSV clockwise hue) */
gradient = gimp_gradients_add_gradient (gimp,
_("FG to BG (HSV clockwise hue)"),
FG_BG_HSV_CW_KEY);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_BACKGROUND;
gradient->segments->color = GIMP_GRADIENT_SEGMENT_HSV_CW;
/* FG to Transparent */
gradient = gimp_gradients_add_gradient (gimp,
_("FG to Transparent"),
FG_TRANSPARENT_KEY);
gradient->segments->left_color_type = GIMP_GRADIENT_COLOR_FOREGROUND;
gradient->segments->right_color_type = GIMP_GRADIENT_COLOR_FOREGROUND_TRANSPARENT;
}
GimpGradient *
gimp_gradients_get_custom (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_get_data (G_OBJECT (gimp), CUSTOM_KEY);
}
GimpGradient *
gimp_gradients_get_fg_bg_rgb (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_get_data (G_OBJECT (gimp), FG_BG_RGB_KEY);
}
GimpGradient *
gimp_gradients_get_fg_bg_hsv_ccw (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_get_data (G_OBJECT (gimp), FG_BG_HSV_CCW_KEY);
}
GimpGradient *
gimp_gradients_get_fg_bg_hsv_cw (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_get_data (G_OBJECT (gimp), FG_BG_HSV_CW_KEY);
}
GimpGradient *
gimp_gradients_get_fg_transparent (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
return g_object_get_data (G_OBJECT (gimp), FG_TRANSPARENT_KEY);
}
/* private functions */
static GimpGradient *
gimp_gradients_add_gradient (Gimp *gimp,
const gchar *name,
const gchar *id)
{
GimpGradient *gradient;
gradient = GIMP_GRADIENT (gimp_gradient_new (gimp_get_user_context (gimp),
name));
gimp_data_make_internal (GIMP_DATA (gradient), id);
gimp_container_add (gimp_data_factory_get_container (gimp->gradient_factory),
GIMP_OBJECT (gradient));
g_object_unref (gradient);
g_object_set_data (G_OBJECT (gimp), id, gradient);
return gradient;
}
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