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Diffstat (limited to 'app/core/gimp-gradients.c')
| -rw-r--r-- | app/core/gimp-gradients.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/app/core/gimp-gradients.c b/app/core/gimp-gradients.c new file mode 100644 index 0000000..2c4ec0f --- /dev/null +++ b/app/core/gimp-gradients.c @@ -0,0 +1,174 @@ +/* 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; +} |