632 lines
22 KiB
C
632 lines
22 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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* pikasamplepointeditor.c
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* Copyright (C) 2005-2016 Michael Natterer <mitch@gimp.org>
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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 "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "config/pikacoreconfig.h"
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#include "core/pika.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-pick-color.h"
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#include "core/pikaimage-sample-points.h"
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#include "core/pikasamplepoint.h"
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#include "pikacolorframe.h"
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#include "pikamenufactory.h"
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#include "pikasamplepointeditor.h"
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#include "pikawidgets-utils.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_SAMPLE_MERGED
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};
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static void pika_sample_point_editor_constructed (GObject *object);
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static void pika_sample_point_editor_dispose (GObject *object);
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static void pika_sample_point_editor_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_sample_point_editor_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 void pika_sample_point_editor_style_updated (GtkWidget *widget);
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static void pika_sample_point_editor_set_image (PikaImageEditor *editor,
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PikaImage *image);
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static void pika_sample_point_editor_point_added (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_point_removed (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_point_moved (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_proj_update (PikaImage *image,
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gboolean now,
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gint x,
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gint y,
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gint width,
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gint height,
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PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_points_changed (PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_dirty (PikaSamplePointEditor *editor,
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gint index);
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static gboolean pika_sample_point_editor_update (PikaSamplePointEditor *editor);
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static void pika_sample_point_editor_mode_notify (PikaColorFrame *frame,
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const GParamSpec *pspec,
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PikaSamplePointEditor *editor);
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G_DEFINE_TYPE (PikaSamplePointEditor, pika_sample_point_editor,
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PIKA_TYPE_IMAGE_EDITOR)
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#define parent_class pika_sample_point_editor_parent_class
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static void
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pika_sample_point_editor_class_init (PikaSamplePointEditorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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PikaImageEditorClass *image_editor_class = PIKA_IMAGE_EDITOR_CLASS (klass);
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object_class->constructed = pika_sample_point_editor_constructed;
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object_class->dispose = pika_sample_point_editor_dispose;
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object_class->get_property = pika_sample_point_editor_get_property;
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object_class->set_property = pika_sample_point_editor_set_property;
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widget_class->style_updated = pika_sample_point_editor_style_updated;
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image_editor_class->set_image = pika_sample_point_editor_set_image;
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g_object_class_install_property (object_class, PROP_SAMPLE_MERGED,
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g_param_spec_boolean ("sample-merged",
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NULL, NULL,
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TRUE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_sample_point_editor_init (PikaSamplePointEditor *editor)
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{
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GtkWidget *scrolled_window;
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GtkWidget *viewport;
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GtkWidget *vbox;
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gint content_spacing;
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editor->sample_merged = TRUE;
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gtk_widget_style_get (GTK_WIDGET (editor),
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"content-spacing", &content_spacing,
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NULL);
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scrolled_window = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
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GTK_POLICY_NEVER,
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GTK_POLICY_AUTOMATIC);
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gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
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GTK_SHADOW_NONE);
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gtk_box_pack_start (GTK_BOX (editor), scrolled_window, TRUE, TRUE, 0);
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gtk_widget_show (scrolled_window);
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viewport = gtk_viewport_new (NULL, NULL);
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gtk_viewport_set_shadow_type (GTK_VIEWPORT (viewport), GTK_SHADOW_NONE);
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gtk_container_add (GTK_CONTAINER (scrolled_window), viewport);
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gtk_widget_show (viewport);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add (GTK_CONTAINER (viewport), vbox);
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gtk_widget_show (vbox);
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editor->empty_icon = gtk_image_new_from_icon_name (PIKA_ICON_SAMPLE_POINT,
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GTK_ICON_SIZE_BUTTON);
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gtk_box_pack_start (GTK_BOX (vbox), editor->empty_icon, TRUE, TRUE, 0);
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gtk_widget_show (editor->empty_icon);
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editor->empty_label = gtk_label_new (_("This image\nhas no\nsample points"));
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gtk_label_set_justify (GTK_LABEL (editor->empty_label), GTK_JUSTIFY_CENTER);
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pika_label_set_attributes (GTK_LABEL (editor->empty_label),
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PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
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-1);
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gtk_box_pack_start (GTK_BOX (vbox), editor->empty_label, TRUE, TRUE, 0);
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editor->grid = gtk_grid_new ();
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gtk_grid_set_row_spacing (GTK_GRID (editor->grid), content_spacing);
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gtk_grid_set_column_spacing (GTK_GRID (editor->grid), content_spacing);
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gtk_box_pack_start (GTK_BOX (vbox), editor->grid, FALSE, FALSE, 0);
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gtk_widget_show (editor->grid);
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}
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static void
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pika_sample_point_editor_constructed (GObject *object)
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{
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G_OBJECT_CLASS (parent_class)->constructed (object);
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}
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static void
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pika_sample_point_editor_dispose (GObject *object)
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{
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PikaSamplePointEditor *editor = PIKA_SAMPLE_POINT_EDITOR (object);
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g_clear_pointer (&editor->color_frames, g_free);
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if (editor->dirty_idle_id)
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{
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g_source_remove (editor->dirty_idle_id);
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editor->dirty_idle_id = 0;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_sample_point_editor_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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PikaSamplePointEditor *editor = PIKA_SAMPLE_POINT_EDITOR (object);
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switch (property_id)
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{
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case PROP_SAMPLE_MERGED:
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pika_sample_point_editor_set_sample_merged (editor,
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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_sample_point_editor_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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PikaSamplePointEditor *editor = PIKA_SAMPLE_POINT_EDITOR (object);
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switch (property_id)
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{
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case PROP_SAMPLE_MERGED:
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g_value_set_boolean (value, editor->sample_merged);
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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_sample_point_editor_style_updated (GtkWidget *widget)
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{
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PikaSamplePointEditor *editor = PIKA_SAMPLE_POINT_EDITOR (widget);
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GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
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if (editor->grid)
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{
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gint content_spacing;
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gtk_widget_style_get (widget,
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"content-spacing", &content_spacing,
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NULL);
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gtk_grid_set_row_spacing (GTK_GRID (editor->grid), content_spacing);
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gtk_grid_set_column_spacing (GTK_GRID (editor->grid), content_spacing);
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}
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}
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static void
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pika_sample_point_editor_set_image (PikaImageEditor *image_editor,
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PikaImage *image)
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{
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PikaSamplePointEditor *editor = PIKA_SAMPLE_POINT_EDITOR (image_editor);
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if (image_editor->image)
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{
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g_signal_handlers_disconnect_by_func (image_editor->image,
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pika_sample_point_editor_point_added,
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editor);
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g_signal_handlers_disconnect_by_func (image_editor->image,
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pika_sample_point_editor_point_removed,
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editor);
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g_signal_handlers_disconnect_by_func (image_editor->image,
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pika_sample_point_editor_point_moved,
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editor);
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g_signal_handlers_disconnect_by_func (pika_image_get_projection (image_editor->image),
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pika_sample_point_editor_proj_update,
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editor);
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}
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PIKA_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, image);
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if (image)
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{
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g_signal_connect (image, "sample-point-added",
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G_CALLBACK (pika_sample_point_editor_point_added),
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editor);
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g_signal_connect (image, "sample-point-removed",
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G_CALLBACK (pika_sample_point_editor_point_removed),
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editor);
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g_signal_connect (image, "sample-point-moved",
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G_CALLBACK (pika_sample_point_editor_point_moved),
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editor);
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g_signal_connect (pika_image_get_projection (image), "update",
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G_CALLBACK (pika_sample_point_editor_proj_update),
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editor);
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}
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gtk_widget_set_visible (editor->empty_icon,
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image_editor->image == NULL);
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pika_sample_point_editor_points_changed (editor);
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}
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/* public functions */
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GtkWidget *
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pika_sample_point_editor_new (PikaMenuFactory *menu_factory)
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{
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g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
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return g_object_new (PIKA_TYPE_SAMPLE_POINT_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<SamplePoints>",
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"ui-path", "/sample-points-popup",
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NULL);
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}
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void
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pika_sample_point_editor_set_sample_merged (PikaSamplePointEditor *editor,
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gboolean sample_merged)
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{
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g_return_if_fail (PIKA_IS_SAMPLE_POINT_EDITOR (editor));
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sample_merged = sample_merged ? TRUE : FALSE;
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if (editor->sample_merged != sample_merged)
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{
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editor->sample_merged = sample_merged;
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pika_sample_point_editor_dirty (editor, -1);
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g_object_notify (G_OBJECT (editor), "sample-merged");
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}
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}
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gboolean
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pika_sample_point_editor_get_sample_merged (PikaSamplePointEditor *editor)
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{
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g_return_val_if_fail (PIKA_IS_SAMPLE_POINT_EDITOR (editor), FALSE);
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return editor->sample_merged;
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}
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/* private functions */
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static void
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pika_sample_point_editor_point_added (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor)
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{
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pika_sample_point_editor_points_changed (editor);
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}
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static void
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pika_sample_point_editor_point_removed (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor)
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{
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pika_sample_point_editor_points_changed (editor);
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}
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static void
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pika_sample_point_editor_point_moved (PikaImage *image,
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PikaSamplePoint *sample_point,
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PikaSamplePointEditor *editor)
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{
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gint i = g_list_index (pika_image_get_sample_points (image), sample_point);
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pika_sample_point_editor_dirty (editor, i);
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}
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static void
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pika_sample_point_editor_proj_update (PikaImage *image,
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gboolean now,
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gint x,
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gint y,
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gint width,
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gint height,
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PikaSamplePointEditor *editor)
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{
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PikaImageEditor *image_editor = PIKA_IMAGE_EDITOR (editor);
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GList *sample_points;
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gint n_points = 0;
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GList *list;
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gint i;
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sample_points = pika_image_get_sample_points (image_editor->image);
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n_points = MIN (editor->n_color_frames, g_list_length (sample_points));
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for (i = 0, list = sample_points;
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i < n_points;
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i++, list = g_list_next (list))
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{
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PikaSamplePoint *sample_point = list->data;
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gint sp_x;
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gint sp_y;
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pika_sample_point_get_position (sample_point, &sp_x, &sp_y);
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if (sp_x >= x && sp_x < (x + width) &&
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sp_y >= y && sp_y < (y + height))
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{
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pika_sample_point_editor_dirty (editor, i);
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}
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}
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}
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static void
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pika_sample_point_editor_points_changed (PikaSamplePointEditor *editor)
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{
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PikaImageEditor *image_editor = PIKA_IMAGE_EDITOR (editor);
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GList *sample_points;
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gint n_points = 0;
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gint i;
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if (image_editor->image)
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{
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sample_points = pika_image_get_sample_points (image_editor->image);
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n_points = g_list_length (sample_points);
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}
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gtk_widget_set_visible (editor->empty_label,
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image_editor->image && n_points == 0);
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/* Keep that many color frames around so they remember their color
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* model. Let's hope nobody uses more and notices they get reset to
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* "pixel". See https://gitlab.gnome.org/GNOME/gimp/issues/1805
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*/
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#define RANDOM_MAGIC 16
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if (n_points < editor->n_color_frames &&
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n_points < RANDOM_MAGIC &&
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editor->n_color_frames > RANDOM_MAGIC)
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{
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for (i = RANDOM_MAGIC; i < editor->n_color_frames; i++)
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{
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gtk_widget_destroy (editor->color_frames[i]);
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}
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editor->color_frames = g_renew (GtkWidget *, editor->color_frames,
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RANDOM_MAGIC);
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editor->n_color_frames = RANDOM_MAGIC;
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}
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else if (n_points > editor->n_color_frames)
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{
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PikaColorConfig *config;
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config = image_editor->image->pika->config->color_management;
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editor->color_frames = g_renew (GtkWidget *, editor->color_frames,
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n_points);
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for (i = editor->n_color_frames; i < n_points; i++)
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{
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gint row = i / 2;
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gint column = i % 2;
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editor->color_frames[i] =
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g_object_new (PIKA_TYPE_COLOR_FRAME,
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"pika", PIKA (image_editor->image->pika),
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"mode", PIKA_COLOR_PICK_MODE_PIXEL,
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"has-number", TRUE,
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"number", i + 1,
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"has-color-area", TRUE,
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"has-coords", TRUE,
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"hexpand", TRUE,
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NULL);
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pika_color_frame_set_color_config (PIKA_COLOR_FRAME (editor->color_frames[i]),
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config);
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gtk_grid_attach (GTK_GRID (editor->grid), editor->color_frames[i],
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column, row, 1, 1);
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g_signal_connect_object (editor->color_frames[i], "notify::mode",
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G_CALLBACK (pika_sample_point_editor_mode_notify),
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editor, 0);
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g_object_set_data (G_OBJECT (editor->color_frames[i]),
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"dirty", GINT_TO_POINTER (TRUE));
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}
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editor->n_color_frames = n_points;
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}
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for (i = 0; i < editor->n_color_frames; i++)
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{
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gtk_widget_set_visible (editor->color_frames[i], i < n_points);
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}
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if (n_points > 0)
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pika_sample_point_editor_dirty (editor, -1);
|
|
}
|
|
|
|
static void
|
|
pika_sample_point_editor_dirty (PikaSamplePointEditor *editor,
|
|
gint index)
|
|
{
|
|
if (index >= 0)
|
|
{
|
|
g_object_set_data (G_OBJECT (editor->color_frames[index]),
|
|
"dirty", GINT_TO_POINTER (TRUE));
|
|
}
|
|
else
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < editor->n_color_frames; i++)
|
|
g_object_set_data (G_OBJECT (editor->color_frames[i]),
|
|
"dirty", GINT_TO_POINTER (TRUE));
|
|
}
|
|
|
|
if (editor->dirty_idle_id)
|
|
g_source_remove (editor->dirty_idle_id);
|
|
|
|
editor->dirty_idle_id =
|
|
g_idle_add ((GSourceFunc) pika_sample_point_editor_update,
|
|
editor);
|
|
}
|
|
|
|
static gboolean
|
|
pika_sample_point_editor_update (PikaSamplePointEditor *editor)
|
|
{
|
|
PikaImageEditor *image_editor = PIKA_IMAGE_EDITOR (editor);
|
|
GList *sample_points;
|
|
gint n_points;
|
|
GList *list;
|
|
gint i;
|
|
|
|
editor->dirty_idle_id = 0;
|
|
|
|
if (! image_editor->image)
|
|
return FALSE;
|
|
|
|
sample_points = pika_image_get_sample_points (image_editor->image);
|
|
|
|
n_points = MIN (editor->n_color_frames, g_list_length (sample_points));
|
|
|
|
for (i = 0, list = sample_points;
|
|
i < n_points;
|
|
i++, list = g_list_next (list))
|
|
{
|
|
PikaColorFrame *color_frame = PIKA_COLOR_FRAME (editor->color_frames[i]);
|
|
|
|
if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (color_frame),
|
|
"dirty")))
|
|
{
|
|
PikaSamplePoint *sample_point = list->data;
|
|
const Babl *format;
|
|
gdouble pixel[4];
|
|
PikaRGB color;
|
|
PikaColorPickMode pick_mode;
|
|
gint x;
|
|
gint y;
|
|
|
|
g_object_set_data (G_OBJECT (color_frame),
|
|
"dirty", GINT_TO_POINTER (FALSE));
|
|
|
|
pika_sample_point_get_position (sample_point, &x, &y);
|
|
|
|
if (pika_image_pick_color (image_editor->image, NULL,
|
|
x, y,
|
|
FALSE,
|
|
editor->sample_merged,
|
|
FALSE, 0.0,
|
|
&format,
|
|
pixel,
|
|
&color))
|
|
{
|
|
pika_color_frame_set_color (color_frame, FALSE,
|
|
format, pixel, &color,
|
|
x, y);
|
|
}
|
|
else
|
|
{
|
|
pika_color_frame_set_invalid (color_frame);
|
|
}
|
|
|
|
pick_mode = pika_sample_point_get_pick_mode (sample_point);
|
|
|
|
pika_color_frame_set_mode (color_frame, pick_mode);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_sample_point_editor_mode_notify (PikaColorFrame *frame,
|
|
const GParamSpec *pspec,
|
|
PikaSamplePointEditor *editor)
|
|
{
|
|
PikaImageEditor *image_editor = PIKA_IMAGE_EDITOR (editor);
|
|
GList *sample_points;
|
|
gint n_points;
|
|
GList *list;
|
|
gint i;
|
|
|
|
sample_points = pika_image_get_sample_points (image_editor->image);
|
|
|
|
n_points = MIN (editor->n_color_frames, g_list_length (sample_points));
|
|
|
|
for (i = 0, list = sample_points;
|
|
i < n_points;
|
|
i++, list = g_list_next (list))
|
|
{
|
|
if (PIKA_COLOR_FRAME (editor->color_frames[i]) == frame)
|
|
{
|
|
PikaSamplePoint *sample_point = list->data;
|
|
PikaColorPickMode pick_mode;
|
|
|
|
g_object_get (frame, "mode", &pick_mode, NULL);
|
|
|
|
if (pick_mode != pika_sample_point_get_pick_mode (sample_point))
|
|
pika_image_set_sample_point_pick_mode (image_editor->image,
|
|
sample_point,
|
|
pick_mode,
|
|
TRUE);
|
|
break;
|
|
}
|
|
}
|
|
}
|
