689 lines
24 KiB
C
689 lines
24 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikaconfig/pikaconfig.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "core/pika.h"
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#include "core/pikatoolinfo.h"
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#include "widgets/pikapropwidgets.h"
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#include "widgets/pikawidgets-utils.h"
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#include "pikaperspectivetool.h"
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#include "pikarotatetool.h"
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#include "pikascaletool.h"
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#include "pikaunifiedtransformtool.h"
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#include "pikatooloptions-gui.h"
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#include "pikatransformgridoptions.h"
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#include "pikatransformgridtool.h"
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#include "pika-intl.h"
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enum
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{
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PROP_0,
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PROP_DIRECTION,
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PROP_DIRECTION_LINKED,
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PROP_SHOW_PREVIEW,
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PROP_COMPOSITED_PREVIEW,
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PROP_SYNCHRONOUS_PREVIEW,
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PROP_PREVIEW_OPACITY,
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PROP_GRID_TYPE,
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PROP_GRID_SIZE,
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PROP_CONSTRAIN_MOVE,
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PROP_CONSTRAIN_SCALE,
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PROP_CONSTRAIN_ROTATE,
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PROP_CONSTRAIN_SHEAR,
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PROP_CONSTRAIN_PERSPECTIVE,
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PROP_FROMPIVOT_SCALE,
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PROP_FROMPIVOT_SHEAR,
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PROP_FROMPIVOT_PERSPECTIVE,
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PROP_CORNERSNAP,
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PROP_FIXEDPIVOT,
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};
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static void pika_transform_grid_options_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_transform_grid_options_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static gboolean pika_transform_grid_options_sync_grid (GBinding *binding,
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const GValue *source_value,
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GValue *target_value,
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gpointer user_data);
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G_DEFINE_TYPE (PikaTransformGridOptions, pika_transform_grid_options,
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PIKA_TYPE_TRANSFORM_OPTIONS)
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#define parent_class pika_transform_grid_options_parent_class
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static void
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pika_transform_grid_options_class_init (PikaTransformGridOptionsClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = pika_transform_grid_options_set_property;
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object_class->get_property = pika_transform_grid_options_get_property;
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g_object_class_override_property (object_class, PROP_DIRECTION,
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"direction");
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g_object_class_install_property (object_class, PROP_DIRECTION_LINKED,
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g_param_spec_boolean ("direction-linked",
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NULL, NULL,
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FALSE,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_SHOW_PREVIEW,
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"show-preview",
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_("Show image preview"),
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_("Show a preview of the transformed image"),
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TRUE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_COMPOSITED_PREVIEW,
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"composited-preview",
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_("Composited preview"),
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_("Show preview as part of the image composition"),
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_SYNCHRONOUS_PREVIEW,
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"synchronous-preview",
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_("Synchronous preview"),
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_("Render the preview synchronously"),
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_DOUBLE (object_class, PROP_PREVIEW_OPACITY,
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"preview-opacity",
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_("Image opacity"),
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_("Opacity of the preview image"),
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0.0, 1.0, 1.0,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_ENUM (object_class, PROP_GRID_TYPE,
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"grid-type",
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_("Guides"),
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_("Composition guides such as rule of thirds"),
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PIKA_TYPE_GUIDES_TYPE,
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PIKA_GUIDES_NONE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_INT (object_class, PROP_GRID_SIZE,
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"grid-size",
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NULL,
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_("Size of a grid cell for variable number "
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"of composition guides"),
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1, 128, 15,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CONSTRAIN_MOVE,
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"constrain-move",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CONSTRAIN_SCALE,
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"constrain-scale",
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NULL, NULL,
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TRUE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CONSTRAIN_ROTATE,
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"constrain-rotate",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CONSTRAIN_SHEAR,
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"constrain-shear",
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NULL, NULL,
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TRUE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CONSTRAIN_PERSPECTIVE,
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"constrain-perspective",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_FROMPIVOT_SCALE,
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"frompivot-scale",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_FROMPIVOT_SHEAR,
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"frompivot-shear",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_FROMPIVOT_PERSPECTIVE,
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"frompivot-perspective",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_CORNERSNAP,
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"cornersnap",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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PIKA_CONFIG_PROP_BOOLEAN (object_class, PROP_FIXEDPIVOT,
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"fixedpivot",
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NULL, NULL,
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FALSE,
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PIKA_PARAM_STATIC_STRINGS);
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}
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static void
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pika_transform_grid_options_init (PikaTransformGridOptions *options)
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{
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}
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static void
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pika_transform_grid_options_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaTransformGridOptions *options = PIKA_TRANSFORM_GRID_OPTIONS (object);
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PikaTransformOptions *transform_options = PIKA_TRANSFORM_OPTIONS (object);
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switch (property_id)
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{
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case PROP_DIRECTION:
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transform_options->direction = g_value_get_enum (value);
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/* Expected default for corrective transform_grid is to see the
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* original image only.
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*/
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g_object_set (options,
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"show-preview",
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transform_options->direction != PIKA_TRANSFORM_BACKWARD,
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NULL);
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break;
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case PROP_DIRECTION_LINKED:
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options->direction_linked = g_value_get_boolean (value);
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break;
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case PROP_SHOW_PREVIEW:
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options->show_preview = g_value_get_boolean (value);
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break;
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case PROP_COMPOSITED_PREVIEW:
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options->composited_preview = g_value_get_boolean (value);
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break;
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case PROP_SYNCHRONOUS_PREVIEW:
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options->synchronous_preview = g_value_get_boolean (value);
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break;
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case PROP_PREVIEW_OPACITY:
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options->preview_opacity = g_value_get_double (value);
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break;
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case PROP_GRID_TYPE:
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options->grid_type = g_value_get_enum (value);
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break;
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case PROP_GRID_SIZE:
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options->grid_size = g_value_get_int (value);
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break;
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case PROP_CONSTRAIN_MOVE:
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options->constrain_move = g_value_get_boolean (value);
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break;
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case PROP_CONSTRAIN_SCALE:
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options->constrain_scale = g_value_get_boolean (value);
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break;
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case PROP_CONSTRAIN_ROTATE:
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options->constrain_rotate = g_value_get_boolean (value);
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break;
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case PROP_CONSTRAIN_SHEAR:
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options->constrain_shear = g_value_get_boolean (value);
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break;
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case PROP_CONSTRAIN_PERSPECTIVE:
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options->constrain_perspective = g_value_get_boolean (value);
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break;
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case PROP_FROMPIVOT_SCALE:
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options->frompivot_scale = g_value_get_boolean (value);
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break;
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case PROP_FROMPIVOT_SHEAR:
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options->frompivot_shear = g_value_get_boolean (value);
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break;
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case PROP_FROMPIVOT_PERSPECTIVE:
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options->frompivot_perspective = g_value_get_boolean (value);
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break;
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case PROP_CORNERSNAP:
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options->cornersnap = g_value_get_boolean (value);
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break;
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case PROP_FIXEDPIVOT:
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options->fixedpivot = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_transform_grid_options_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaTransformGridOptions *options = PIKA_TRANSFORM_GRID_OPTIONS (object);
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PikaTransformOptions *transform_options = PIKA_TRANSFORM_OPTIONS (object);
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switch (property_id)
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{
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case PROP_DIRECTION:
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g_value_set_enum (value, transform_options->direction);
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break;
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case PROP_DIRECTION_LINKED:
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g_value_set_boolean (value, options->direction_linked);
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break;
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case PROP_SHOW_PREVIEW:
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g_value_set_boolean (value, options->show_preview);
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break;
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case PROP_COMPOSITED_PREVIEW:
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g_value_set_boolean (value, options->composited_preview);
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break;
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case PROP_SYNCHRONOUS_PREVIEW:
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g_value_set_boolean (value, options->synchronous_preview);
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break;
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case PROP_PREVIEW_OPACITY:
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g_value_set_double (value, options->preview_opacity);
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break;
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case PROP_GRID_TYPE:
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g_value_set_enum (value, options->grid_type);
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break;
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case PROP_GRID_SIZE:
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g_value_set_int (value, options->grid_size);
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break;
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case PROP_CONSTRAIN_MOVE:
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g_value_set_boolean (value, options->constrain_move);
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break;
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case PROP_CONSTRAIN_SCALE:
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g_value_set_boolean (value, options->constrain_scale);
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break;
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case PROP_CONSTRAIN_ROTATE:
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g_value_set_boolean (value, options->constrain_rotate);
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break;
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case PROP_CONSTRAIN_SHEAR:
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g_value_set_boolean (value, options->constrain_shear);
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break;
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case PROP_CONSTRAIN_PERSPECTIVE:
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g_value_set_boolean (value, options->constrain_perspective);
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break;
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case PROP_FROMPIVOT_SCALE:
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g_value_set_boolean (value, options->frompivot_scale);
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break;
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case PROP_FROMPIVOT_SHEAR:
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g_value_set_boolean (value, options->frompivot_shear);
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break;
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case PROP_FROMPIVOT_PERSPECTIVE:
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g_value_set_boolean (value, options->frompivot_perspective);
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break;
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case PROP_CORNERSNAP:
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g_value_set_boolean (value, options->cornersnap);
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break;
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case PROP_FIXEDPIVOT:
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g_value_set_boolean (value, options->fixedpivot);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/**
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* pika_transform_grid_options_gui:
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* @tool_options: a #PikaToolOptions
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*
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* Build the TransformGrid Tool Options.
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*
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* Returns: a container holding the transform_grid tool options
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**/
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GtkWidget *
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pika_transform_grid_options_gui (PikaToolOptions *tool_options)
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{
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GObject *config = G_OBJECT (tool_options);
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PikaTransformGridOptions *options = PIKA_TRANSFORM_GRID_OPTIONS (tool_options);
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PikaTransformGridToolClass *tg_class;
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GtkWidget *vbox;
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GtkWidget *vbox2;
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GtkWidget *vbox3;
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GtkWidget *button;
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GtkWidget *frame;
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GtkWidget *combo;
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GtkWidget *scale;
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GtkWidget *grid_box;
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GdkModifierType extend_mask = pika_get_extend_selection_mask ();
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GdkModifierType constrain_mask = pika_get_constrain_behavior_mask ();
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vbox = pika_transform_options_gui (tool_options, TRUE, TRUE, TRUE);
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tg_class = g_type_class_ref (tool_options->tool_info->tool_type);
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/* the direction-link button */
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if (tg_class->matrix_to_info)
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{
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PikaTransformOptions *tr_options = PIKA_TRANSFORM_OPTIONS (tool_options);
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GtkWidget *hbox;
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vbox2 = gtk_bin_get_child (GTK_BIN (tr_options->direction_frame));
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g_object_ref (vbox2);
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gtk_container_remove (GTK_CONTAINER (tr_options->direction_frame), vbox2);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 1);
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gtk_container_add (GTK_CONTAINER (tr_options->direction_frame), hbox);
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gtk_widget_show (hbox);
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gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 0);
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g_object_unref (vbox2);
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button = pika_chain_button_new (PIKA_CHAIN_RIGHT);
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gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
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gtk_widget_set_sensitive (button, FALSE);
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pika_chain_button_set_icon_size (PIKA_CHAIN_BUTTON (button),
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GTK_ICON_SIZE_MENU);
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gtk_widget_show (button);
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g_object_bind_property (config, "direction-linked",
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button, "active",
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G_BINDING_BIDIRECTIONAL |
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G_BINDING_SYNC_CREATE);
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options->direction_chain_button = button;
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}
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g_type_class_unref (tg_class);
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/* the preview frame */
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vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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vbox3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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button = pika_prop_check_button_new (config, "synchronous-preview", NULL);
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gtk_box_pack_start (GTK_BOX (vbox3), button, FALSE, FALSE, 0);
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gtk_widget_show (button);
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frame = pika_prop_expanding_frame_new (config, "composited-preview", NULL,
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vbox3, NULL);
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gtk_box_pack_start (GTK_BOX (vbox2), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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scale = pika_prop_spin_scale_new (config, "preview-opacity",
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0.01, 0.1, 0);
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pika_prop_widget_set_factor (scale, 100.0, 1.0, 10.0, 1);
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gtk_box_pack_start (GTK_BOX (vbox2), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_object_bind_property (config, "composited-preview",
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scale, "sensitive",
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G_BINDING_SYNC_CREATE |
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G_BINDING_INVERT_BOOLEAN);
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frame = pika_prop_expanding_frame_new (config, "show-preview", NULL,
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vbox2, NULL);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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/* the guides frame */
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frame = pika_frame_new (NULL);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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/* the guides type menu */
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combo = pika_prop_enum_combo_box_new (config, "grid-type", 0, 0);
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pika_int_combo_box_set_label (PIKA_INT_COMBO_BOX (combo), _("Guides"));
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g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
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gtk_frame_set_label_widget (GTK_FRAME (frame), combo);
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/* the grid density scale */
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scale = pika_prop_spin_scale_new (config, "grid-size",
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1.8, 8.0, 0);
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pika_spin_scale_set_label (PIKA_SPIN_SCALE (scale), NULL);
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gtk_container_add (GTK_CONTAINER (frame), scale);
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g_object_bind_property_full (config, "grid-type",
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scale, "visible",
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G_BINDING_SYNC_CREATE,
|
|
pika_transform_grid_options_sync_grid,
|
|
NULL,
|
|
NULL, NULL);
|
|
|
|
if (tool_options->tool_info->tool_type == PIKA_TYPE_ROTATE_TOOL)
|
|
{
|
|
gchar *label;
|
|
|
|
label = g_strdup_printf (_("15 degrees (%s)"),
|
|
pika_get_mod_string (extend_mask));
|
|
|
|
button = pika_prop_check_button_new (config, "constrain-rotate", label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
|
|
pika_help_set_help_data (button, _("Limit rotation steps to 15 degrees"),
|
|
NULL);
|
|
|
|
g_free (label);
|
|
}
|
|
else if (tool_options->tool_info->tool_type == PIKA_TYPE_SCALE_TOOL)
|
|
{
|
|
gchar *label;
|
|
|
|
label = g_strdup_printf (_("Keep aspect (%s)"),
|
|
pika_get_mod_string (extend_mask));
|
|
|
|
button = pika_prop_check_button_new (config, "constrain-scale", label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
|
|
pika_help_set_help_data (button, _("Keep the original aspect ratio"),
|
|
NULL);
|
|
|
|
g_free (label);
|
|
|
|
label = g_strdup_printf (_("Around center (%s)"),
|
|
pika_get_mod_string (constrain_mask));
|
|
|
|
button = pika_prop_check_button_new (config, "frompivot-scale", label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
|
|
pika_help_set_help_data (button, _("Scale around the center point"),
|
|
NULL);
|
|
|
|
g_free (label);
|
|
}
|
|
else if (tool_options->tool_info->tool_type == PIKA_TYPE_PERSPECTIVE_TOOL)
|
|
{
|
|
gchar *label;
|
|
|
|
label = g_strdup_printf (_("Constrain handles (%s)"),
|
|
pika_get_mod_string (extend_mask));
|
|
|
|
button = pika_prop_check_button_new (config, "constrain-perspective", label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
|
|
pika_help_set_help_data (
|
|
button, _("Constrain handles to move along edges and diagonal (%s)"),
|
|
NULL);
|
|
|
|
g_free (label);
|
|
|
|
label = g_strdup_printf (_("Around center (%s)"),
|
|
pika_get_mod_string (constrain_mask));
|
|
|
|
button = pika_prop_check_button_new (config, "frompivot-perspective", label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
|
|
|
|
pika_help_set_help_data (
|
|
button, _("Transform around the center point"),
|
|
NULL);
|
|
|
|
g_free (label);
|
|
}
|
|
else if (tool_options->tool_info->tool_type == PIKA_TYPE_UNIFIED_TRANSFORM_TOOL)
|
|
{
|
|
struct
|
|
{
|
|
GdkModifierType mod;
|
|
gchar *name;
|
|
gchar *desc;
|
|
gchar *tip;
|
|
}
|
|
opt_list[] =
|
|
{
|
|
{ extend_mask, NULL, N_("Constrain (%s)") },
|
|
{ extend_mask, "constrain-move", N_("Move"),
|
|
N_("Constrain movement to 45 degree angles from center (%s)") },
|
|
{ extend_mask, "constrain-scale", N_("Scale"),
|
|
N_("Maintain aspect ratio when scaling (%s)") },
|
|
{ extend_mask, "constrain-rotate", N_("Rotate"),
|
|
N_("Constrain rotation to 15 degree increments (%s)") },
|
|
{ extend_mask, "constrain-shear", N_("Shear"),
|
|
N_("Shear along edge direction only (%s)") },
|
|
{ extend_mask, "constrain-perspective", N_("Perspective"),
|
|
N_("Constrain perspective handles to move along edges and diagonal (%s)") },
|
|
|
|
{ constrain_mask, NULL,
|
|
N_("From pivot (%s)") },
|
|
{ constrain_mask, "frompivot-scale", N_("Scale"),
|
|
N_("Scale from pivot point (%s)") },
|
|
{ constrain_mask, "frompivot-shear", N_("Shear"),
|
|
N_("Shear opposite edge by same amount (%s)") },
|
|
{ constrain_mask, "frompivot-perspective", N_("Perspective"),
|
|
N_("Maintain position of pivot while changing perspective (%s)") },
|
|
|
|
{ 0, NULL,
|
|
N_("Pivot") },
|
|
{ extend_mask, "cornersnap", N_("Snap (%s)"),
|
|
N_("Snap pivot to corners and center (%s)") },
|
|
{ 0, "fixedpivot", N_("Lock"),
|
|
N_("Lock pivot position to canvas") },
|
|
};
|
|
|
|
gchar *label;
|
|
gint i;
|
|
|
|
frame = NULL;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (opt_list); i++)
|
|
{
|
|
if (! opt_list[i].name && ! opt_list[i].desc)
|
|
{
|
|
frame = NULL;
|
|
continue;
|
|
}
|
|
|
|
label = g_strdup_printf (gettext (opt_list[i].desc),
|
|
pika_get_mod_string (opt_list[i].mod));
|
|
|
|
if (opt_list[i].name)
|
|
{
|
|
button = pika_prop_check_button_new (config, opt_list[i].name,
|
|
label);
|
|
gtk_box_pack_start (GTK_BOX (frame ? grid_box : vbox),
|
|
button, FALSE, FALSE, 0);
|
|
|
|
g_free (label);
|
|
label = g_strdup_printf (gettext (opt_list[i].tip),
|
|
pika_get_mod_string (opt_list[i].mod));
|
|
|
|
pika_help_set_help_data (button, label, NULL);
|
|
}
|
|
else
|
|
{
|
|
frame = pika_frame_new (label);
|
|
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
|
|
gtk_widget_show (frame);
|
|
|
|
grid_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
|
|
gtk_container_add (GTK_CONTAINER (frame), grid_box);
|
|
gtk_widget_show (grid_box);
|
|
}
|
|
|
|
g_free (label);
|
|
}
|
|
}
|
|
|
|
return vbox;
|
|
}
|
|
|
|
gboolean
|
|
pika_transform_grid_options_show_preview (PikaTransformGridOptions *options)
|
|
{
|
|
PikaTransformOptions *transform_options;
|
|
|
|
g_return_val_if_fail (PIKA_IS_TRANSFORM_GRID_OPTIONS (options), FALSE);
|
|
|
|
transform_options = PIKA_TRANSFORM_OPTIONS (options);
|
|
|
|
if (options->show_preview)
|
|
{
|
|
switch (transform_options->type)
|
|
{
|
|
case PIKA_TRANSFORM_TYPE_LAYER:
|
|
case PIKA_TRANSFORM_TYPE_IMAGE:
|
|
return TRUE;
|
|
|
|
case PIKA_TRANSFORM_TYPE_SELECTION:
|
|
case PIKA_TRANSFORM_TYPE_PATH:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static gboolean
|
|
pika_transform_grid_options_sync_grid (GBinding *binding,
|
|
const GValue *source_value,
|
|
GValue *target_value,
|
|
gpointer user_data)
|
|
{
|
|
PikaGuidesType type = g_value_get_enum (source_value);
|
|
|
|
g_value_set_boolean (target_value,
|
|
type == PIKA_GUIDES_N_LINES ||
|
|
type == PIKA_GUIDES_SPACING);
|
|
|
|
return TRUE;
|
|
}
|
|
|
