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Diffstat (limited to 'app/core/gimpguide.c')
| -rw-r--r-- | app/core/gimpguide.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/app/core/gimpguide.c b/app/core/gimpguide.c new file mode 100644 index 0000000..1438958 --- /dev/null +++ b/app/core/gimpguide.c @@ -0,0 +1,242 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GimpGuide + * Copyright (C) 2003 Henrik Brix Andersen <brix@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 <gio/gio.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpconfig/gimpconfig.h" + +#include "core-types.h" + +#include "gimpguide.h" + + +enum +{ + PROP_0, + PROP_ORIENTATION, + PROP_POSITION, + PROP_STYLE +}; + + +struct _GimpGuidePrivate +{ + GimpOrientationType orientation; + gint position; + + GimpGuideStyle style; +}; + + +static void gimp_guide_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_guide_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpGuide, gimp_guide, GIMP_TYPE_AUX_ITEM) + + +static void +gimp_guide_class_init (GimpGuideClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gimp_guide_get_property; + object_class->set_property = gimp_guide_set_property; + + GIMP_CONFIG_PROP_ENUM (object_class, PROP_ORIENTATION, + "orientation", + NULL, NULL, + GIMP_TYPE_ORIENTATION_TYPE, + GIMP_ORIENTATION_UNKNOWN, + 0); + + GIMP_CONFIG_PROP_INT (object_class, PROP_POSITION, + "position", + NULL, NULL, + GIMP_GUIDE_POSITION_UNDEFINED, + GIMP_MAX_IMAGE_SIZE, + GIMP_GUIDE_POSITION_UNDEFINED, + 0); + + GIMP_CONFIG_PROP_ENUM (object_class, PROP_STYLE, + "style", + NULL, NULL, + GIMP_TYPE_GUIDE_STYLE, + GIMP_GUIDE_STYLE_NONE, + 0); +} + +static void +gimp_guide_init (GimpGuide *guide) +{ + guide->priv = gimp_guide_get_instance_private (guide); +} + +static void +gimp_guide_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpGuide *guide = GIMP_GUIDE (object); + + switch (property_id) + { + case PROP_ORIENTATION: + g_value_set_enum (value, guide->priv->orientation); + break; + case PROP_POSITION: + g_value_set_int (value, guide->priv->position); + break; + case PROP_STYLE: + g_value_set_enum (value, guide->priv->style); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_guide_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpGuide *guide = GIMP_GUIDE (object); + + switch (property_id) + { + case PROP_ORIENTATION: + guide->priv->orientation = g_value_get_enum (value); + break; + case PROP_POSITION: + guide->priv->position = g_value_get_int (value); + break; + case PROP_STYLE: + guide->priv->style = g_value_get_enum (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +GimpGuide * +gimp_guide_new (GimpOrientationType orientation, + guint32 guide_ID) +{ + return g_object_new (GIMP_TYPE_GUIDE, + "id", guide_ID, + "orientation", orientation, + "style", GIMP_GUIDE_STYLE_NORMAL, + NULL); +} + +/** + * gimp_guide_custom_new: + * @orientation: the #GimpOrientationType + * @guide_ID: the unique guide ID + * @guide_style: the #GimpGuideStyle + * + * This function returns a new guide and will flag it as "custom". + * Custom guides are used for purpose "other" than the basic guides + * a user can create oneself, for instance as symmetry guides, to + * drive GEGL ops, etc. + * They are not saved in the XCF file. If an op, a symmetry or a plugin + * wishes to save its state, it has to do it internally. + * Moreover they don't follow guide snapping settings and never snap. + * + * Returns: the custom #GimpGuide. + **/ +GimpGuide * +gimp_guide_custom_new (GimpOrientationType orientation, + guint32 guide_ID, + GimpGuideStyle guide_style) +{ + return g_object_new (GIMP_TYPE_GUIDE, + "id", guide_ID, + "orientation", orientation, + "style", guide_style, + NULL); +} + +GimpOrientationType +gimp_guide_get_orientation (GimpGuide *guide) +{ + g_return_val_if_fail (GIMP_IS_GUIDE (guide), GIMP_ORIENTATION_UNKNOWN); + + return guide->priv->orientation; +} + +void +gimp_guide_set_orientation (GimpGuide *guide, + GimpOrientationType orientation) +{ + g_return_if_fail (GIMP_IS_GUIDE (guide)); + + guide->priv->orientation = orientation; + + g_object_notify (G_OBJECT (guide), "orientation"); +} + +gint +gimp_guide_get_position (GimpGuide *guide) +{ + g_return_val_if_fail (GIMP_IS_GUIDE (guide), GIMP_GUIDE_POSITION_UNDEFINED); + + return guide->priv->position; +} + +void +gimp_guide_set_position (GimpGuide *guide, + gint position) +{ + g_return_if_fail (GIMP_IS_GUIDE (guide)); + + guide->priv->position = position; + + g_object_notify (G_OBJECT (guide), "position"); +} + +GimpGuideStyle +gimp_guide_get_style (GimpGuide *guide) +{ + g_return_val_if_fail (GIMP_IS_GUIDE (guide), GIMP_GUIDE_STYLE_NONE); + + return guide->priv->style; +} + +gboolean +gimp_guide_is_custom (GimpGuide *guide) +{ + g_return_val_if_fail (GIMP_IS_GUIDE (guide), FALSE); + + return guide->priv->style != GIMP_GUIDE_STYLE_NORMAL; +} |