743 lines
25 KiB
C
743 lines
25 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 "libpikamath/pikamath.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "actions-types.h"
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#include "core/pika.h"
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#include "core/pikacontext.h"
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#include "core/pikagradient.h"
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#include "widgets/pikagradienteditor.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikauimanager.h"
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#include "widgets/pikaviewabledialog.h"
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#include "gradient-editor-commands.h"
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#include "pika-intl.h"
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/* local function prototypes */
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static void gradient_editor_split_uniform_response (GtkWidget *widget,
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gint response_id,
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PikaGradientEditor *editor);
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static void gradient_editor_replicate_response (GtkWidget *widget,
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gint response_id,
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PikaGradientEditor *editor);
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/* public functions */
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void
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gradient_editor_left_color_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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pika_gradient_editor_edit_left_color (editor);
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}
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void
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gradient_editor_left_color_type_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientColor color_type;
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color_type = (PikaGradientColor) g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, NULL);
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if (gradient &&
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color_type >= 0 &&
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color_type !=
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pika_gradient_segment_get_left_color_type (gradient, left))
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{
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PikaRGB color;
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pika_gradient_segment_get_left_flat_color (gradient,
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PIKA_DATA_EDITOR (editor)->context,
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left, &color);
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pika_data_freeze (PIKA_DATA (gradient));
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pika_gradient_segment_set_left_color_type (gradient, left, color_type);
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if (color_type == PIKA_GRADIENT_COLOR_FIXED)
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pika_gradient_segment_set_left_color (gradient, left, &color);
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pika_data_thaw (PIKA_DATA (gradient));
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}
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}
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void
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gradient_editor_load_left_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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PikaGradientSegment *seg;
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PikaRGB color;
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PikaGradientColor color_type = PIKA_GRADIENT_COLOR_FIXED;
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gint index = g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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switch (index)
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{
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case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
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if (left->prev != NULL)
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seg = left->prev;
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else
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seg = pika_gradient_segment_get_last (left);
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color = seg->right_color;
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color_type = seg->right_color_type;
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break;
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case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
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color = right->right_color;
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color_type = right->right_color_type;
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break;
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case GRADIENT_EDITOR_COLOR_FOREGROUND:
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pika_context_get_foreground (data_editor->context, &color);
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break;
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case GRADIENT_EDITOR_COLOR_BACKGROUND:
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pika_context_get_background (data_editor->context, &color);
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break;
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default: /* Load a color */
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color = editor->saved_colors[index - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
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break;
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}
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pika_data_freeze (PIKA_DATA (gradient));
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pika_gradient_segment_range_blend (gradient, left, right,
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&color,
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&right->right_color,
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TRUE, TRUE);
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pika_gradient_segment_set_left_color_type (gradient, left, color_type);
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pika_data_thaw (PIKA_DATA (gradient));
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}
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void
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gradient_editor_save_left_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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gint index = g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, NULL);
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pika_gradient_segment_get_left_color (gradient, left,
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&editor->saved_colors[index]);
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}
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void
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gradient_editor_right_color_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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pika_gradient_editor_edit_right_color (editor);
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}
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void
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gradient_editor_right_color_type_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *right;
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PikaGradientColor color_type;
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color_type = (PikaGradientColor) g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, NULL, &right);
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if (gradient &&
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color_type >= 0 &&
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color_type !=
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pika_gradient_segment_get_right_color_type (gradient, right))
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{
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PikaRGB color;
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pika_gradient_segment_get_right_flat_color (gradient,
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PIKA_DATA_EDITOR (editor)->context,
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right, &color);
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pika_data_freeze (PIKA_DATA (gradient));
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pika_gradient_segment_set_right_color_type (gradient, right, color_type);
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if (color_type == PIKA_GRADIENT_COLOR_FIXED)
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pika_gradient_segment_set_right_color (gradient, right, &color);
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pika_data_thaw (PIKA_DATA (gradient));
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}
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}
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void
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gradient_editor_load_right_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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PikaGradientSegment *seg;
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PikaRGB color;
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PikaGradientColor color_type = PIKA_GRADIENT_COLOR_FIXED;
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gint index = g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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switch (index)
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{
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case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
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if (right->next != NULL)
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seg = right->next;
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else
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seg = pika_gradient_segment_get_first (right);
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color = seg->left_color;
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color_type = seg->left_color_type;
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break;
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case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
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color = left->left_color;
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color_type = left->left_color_type;
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break;
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case GRADIENT_EDITOR_COLOR_FOREGROUND:
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pika_context_get_foreground (data_editor->context, &color);
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break;
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case GRADIENT_EDITOR_COLOR_BACKGROUND:
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pika_context_get_background (data_editor->context, &color);
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break;
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default: /* Load a color */
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color = editor->saved_colors[index - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
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break;
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}
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pika_data_freeze (PIKA_DATA (gradient));
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pika_gradient_segment_range_blend (gradient, left, right,
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&left->left_color,
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&color,
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TRUE, TRUE);
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pika_gradient_segment_set_right_color_type (gradient, left, color_type);
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pika_data_thaw (PIKA_DATA (gradient));
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}
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void
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gradient_editor_save_right_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *right;
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gint index = g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, NULL, &right);
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pika_gradient_segment_get_right_color (gradient, right,
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&editor->saved_colors[index]);
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}
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void
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gradient_editor_blending_func_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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GEnumClass *enum_class = NULL;
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PikaGradientSegmentType type;
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type = (PikaGradientSegmentType) g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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enum_class = g_type_class_ref (PIKA_TYPE_GRADIENT_SEGMENT_TYPE);
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if (gradient && g_enum_get_value (enum_class, type))
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{
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pika_gradient_segment_range_set_blending_function (gradient,
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left, right,
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type);
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}
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g_type_class_unref (enum_class);
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}
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void
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gradient_editor_coloring_type_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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GEnumClass *enum_class = NULL;
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PikaGradientSegmentColor color;
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color = (PikaGradientSegmentColor) g_variant_get_int32 (value);
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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enum_class = g_type_class_ref (PIKA_TYPE_GRADIENT_SEGMENT_COLOR);
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if (gradient && g_enum_get_value (enum_class, color))
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{
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pika_gradient_segment_range_set_coloring_type (gradient,
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left, right,
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color);
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}
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g_type_class_unref (enum_class);
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}
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void
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gradient_editor_flip_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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pika_gradient_segment_range_flip (gradient,
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left, right,
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&left, &right);
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pika_gradient_editor_set_selection (editor, left, right);
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}
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void
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gradient_editor_replicate_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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GtkWidget *dialog;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *scale;
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GtkAdjustment *scale_data;
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const gchar *title;
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const gchar *desc;
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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if (left == right)
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{
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title = _("Replicate Segment");
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desc = _("Replicate Gradient Segment");
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}
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else
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{
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title = _("Replicate Selection");
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desc = _("Replicate Gradient Selection");
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}
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dialog = pika_viewable_dialog_new (g_list_prepend (NULL, gradient),
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data_editor->context,
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title,
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"pika-gradient-segment-replicate",
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PIKA_ICON_GRADIENT, desc,
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GTK_WIDGET (editor),
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pika_standard_help_func,
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PIKA_HELP_GRADIENT_EDITOR_REPLICATE,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_Replicate"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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g_signal_connect (dialog, "response",
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G_CALLBACK (gradient_editor_replicate_response),
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editor);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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/* Instructions */
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if (left == right)
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label = gtk_label_new (_("Select the number of times\n"
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"to replicate the selected segment."));
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else
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label = gtk_label_new (_("Select the number of times\n"
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"to replicate the selection."));
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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/* Scale */
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scale_data = gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0);
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scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
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gtk_scale_set_digits (GTK_SCALE (scale), 0);
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gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
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gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, TRUE, 4);
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gtk_widget_show (scale);
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g_object_set_data (G_OBJECT (dialog), "adjustment", scale_data);
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gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
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pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (editor)),
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pika_editor_get_popup_data (PIKA_EDITOR (editor)));
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gtk_widget_show (dialog);
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}
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void
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gradient_editor_split_midpoint_cmd_callback (PikaAction *action,
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GVariant *value,
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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pika_gradient_segment_range_split_midpoint (gradient,
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data_editor->context,
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left, right,
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editor->blend_color_space,
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&left, &right);
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pika_gradient_editor_set_selection (editor, left, right);
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}
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void
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gradient_editor_split_uniformly_cmd_callback (PikaAction *action,
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GVariant *value,
|
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gpointer data)
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{
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PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (data);
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PikaGradient *gradient;
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PikaGradientSegment *left;
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PikaGradientSegment *right;
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GtkWidget *dialog;
|
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *scale;
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GtkAdjustment *scale_data;
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const gchar *title;
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const gchar *desc;
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pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
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if (left == right)
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{
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title = _("Split Segment Uniformly");
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desc = _("Split Gradient Segment Uniformly");
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}
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else
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{
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title = _("Split Segments Uniformly");
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desc = _("Split Gradient Segments Uniformly");
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}
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dialog = pika_viewable_dialog_new (g_list_prepend (NULL, gradient),
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data_editor->context,
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title,
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"pika-gradient-segment-split-uniformly",
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PIKA_ICON_GRADIENT, desc,
|
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GTK_WIDGET (editor),
|
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pika_standard_help_func,
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PIKA_HELP_GRADIENT_EDITOR_SPLIT_UNIFORM,
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|
|
_("_Cancel"), GTK_RESPONSE_CANCEL,
|
|
_("_Split"), GTK_RESPONSE_OK,
|
|
|
|
NULL);
|
|
|
|
pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
|
|
GTK_RESPONSE_OK,
|
|
GTK_RESPONSE_CANCEL,
|
|
-1);
|
|
|
|
g_signal_connect (dialog, "response",
|
|
G_CALLBACK (gradient_editor_split_uniform_response),
|
|
editor);
|
|
|
|
/* The main vbox */
|
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
|
|
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
|
|
vbox, TRUE, TRUE, 0);
|
|
gtk_widget_show (vbox);
|
|
|
|
/* Instructions */
|
|
if (left == right)
|
|
label = gtk_label_new (_("Select the number of uniform parts\n"
|
|
"in which to split the selected segment."));
|
|
else
|
|
label = gtk_label_new (_("Select the number of uniform parts\n"
|
|
"in which to split the segments in the selection."));
|
|
|
|
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
|
|
gtk_widget_show (label);
|
|
|
|
/* Scale */
|
|
scale_data = gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0);
|
|
|
|
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
|
|
gtk_scale_set_digits (GTK_SCALE (scale), 0);
|
|
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
|
|
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 4);
|
|
gtk_widget_show (scale);
|
|
|
|
g_object_set_data (G_OBJECT (dialog), "adjustment", scale_data);
|
|
|
|
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
|
|
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (editor)),
|
|
pika_editor_get_popup_data (PIKA_EDITOR (editor)));
|
|
|
|
gtk_widget_show (dialog);
|
|
}
|
|
|
|
void
|
|
gradient_editor_delete_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_delete (gradient,
|
|
left, right,
|
|
&left, &right);
|
|
|
|
pika_gradient_editor_set_selection (editor, left, right);
|
|
}
|
|
|
|
void
|
|
gradient_editor_recenter_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_recenter_handles (gradient, left, right);
|
|
}
|
|
|
|
void
|
|
gradient_editor_redistribute_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_redistribute_handles (gradient, left, right);
|
|
}
|
|
|
|
void
|
|
gradient_editor_blend_color_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_blend (gradient, left, right,
|
|
&left->left_color,
|
|
&right->right_color,
|
|
TRUE, FALSE);
|
|
}
|
|
|
|
void
|
|
gradient_editor_blend_opacity_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_blend (gradient, left, right,
|
|
&left->left_color,
|
|
&right->right_color,
|
|
FALSE, TRUE);
|
|
}
|
|
|
|
void
|
|
gradient_editor_zoom_cmd_callback (PikaAction *action,
|
|
GVariant *value,
|
|
gpointer data)
|
|
{
|
|
PikaGradientEditor *editor = PIKA_GRADIENT_EDITOR (data);
|
|
PikaZoomType zoom_type = (PikaZoomType) g_variant_get_int32 (value);
|
|
|
|
pika_gradient_editor_zoom (editor, zoom_type, 1.0, 0.5);
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
gradient_editor_split_uniform_response (GtkWidget *widget,
|
|
gint response_id,
|
|
PikaGradientEditor *editor)
|
|
{
|
|
GtkAdjustment *adjustment;
|
|
gint split_parts;
|
|
|
|
adjustment = g_object_get_data (G_OBJECT (widget), "adjustment");
|
|
|
|
split_parts = RINT (gtk_adjustment_get_value (adjustment));
|
|
|
|
gtk_widget_destroy (widget);
|
|
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
|
|
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (editor)),
|
|
pika_editor_get_popup_data (PIKA_EDITOR (editor)));
|
|
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
{
|
|
PikaDataEditor *data_editor = PIKA_DATA_EDITOR (editor);
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_split_uniform (gradient,
|
|
data_editor->context,
|
|
left, right,
|
|
split_parts,
|
|
editor->blend_color_space,
|
|
&left, &right);
|
|
|
|
pika_gradient_editor_set_selection (editor, left, right);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gradient_editor_replicate_response (GtkWidget *widget,
|
|
gint response_id,
|
|
PikaGradientEditor *editor)
|
|
{
|
|
GtkAdjustment *adjustment;
|
|
gint replicate_times;
|
|
|
|
adjustment = g_object_get_data (G_OBJECT (widget), "adjustment");
|
|
|
|
replicate_times = RINT (gtk_adjustment_get_value (adjustment));
|
|
|
|
gtk_widget_destroy (widget);
|
|
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
|
|
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (editor)),
|
|
pika_editor_get_popup_data (PIKA_EDITOR (editor)));
|
|
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
{
|
|
PikaGradient *gradient;
|
|
PikaGradientSegment *left;
|
|
PikaGradientSegment *right;
|
|
|
|
pika_gradient_editor_get_selection (editor, &gradient, &left, &right);
|
|
|
|
pika_gradient_segment_range_replicate (gradient,
|
|
left, right,
|
|
replicate_times,
|
|
&left, &right);
|
|
|
|
pika_gradient_editor_set_selection (editor, left, right);
|
|
}
|
|
}
|
