462 lines
16 KiB
C
462 lines
16 KiB
C
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/* 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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* pikabrusheditor.c
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* Copyright 1998 Jay Cox <jaycox@earthlink.net>
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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 <string.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 "widgets-types.h"
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#include "core/pika.h"
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#include "core/pikabrushgenerated.h"
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#include "core/pikacontext.h"
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#include "pikabrusheditor.h"
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#include "pikadocked.h"
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#include "pikaview.h"
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#include "pikaviewrenderer.h"
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#include "pika-intl.h"
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#define BRUSH_VIEW_SIZE 96
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/* local function prototypes */
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static void pika_brush_editor_docked_iface_init (PikaDockedInterface *face);
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static void pika_brush_editor_constructed (GObject *object);
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static void pika_brush_editor_set_data (PikaDataEditor *editor,
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PikaData *data);
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static void pika_brush_editor_set_context (PikaDocked *docked,
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PikaContext *context);
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static void pika_brush_editor_update_brush (GtkAdjustment *adjustment,
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PikaBrushEditor *editor);
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static void pika_brush_editor_update_shape (GtkWidget *widget,
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PikaBrushEditor *editor);
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static void pika_brush_editor_notify_brush (PikaBrushGenerated *brush,
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GParamSpec *pspec,
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PikaBrushEditor *editor);
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G_DEFINE_TYPE_WITH_CODE (PikaBrushEditor, pika_brush_editor,
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PIKA_TYPE_DATA_EDITOR,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
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pika_brush_editor_docked_iface_init))
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#define parent_class pika_brush_editor_parent_class
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static PikaDockedInterface *parent_docked_iface = NULL;
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static void
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pika_brush_editor_class_init (PikaBrushEditorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaDataEditorClass *editor_class = PIKA_DATA_EDITOR_CLASS (klass);
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object_class->constructed = pika_brush_editor_constructed;
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editor_class->set_data = pika_brush_editor_set_data;
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editor_class->title = _("Brush Editor");
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}
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static void
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pika_brush_editor_docked_iface_init (PikaDockedInterface *iface)
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{
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parent_docked_iface = g_type_interface_peek_parent (iface);
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if (! parent_docked_iface)
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parent_docked_iface = g_type_default_interface_peek (PIKA_TYPE_DOCKED);
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iface->set_context = pika_brush_editor_set_context;
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}
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static void
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pika_brush_editor_init (PikaBrushEditor *editor)
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{
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (editor);
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GtkWidget *frame;
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GtkWidget *hbox;
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GtkWidget *label;
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GtkWidget *box;
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GtkWidget *scale;
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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data_editor->view = pika_view_new_full_by_types (NULL,
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PIKA_TYPE_VIEW,
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PIKA_TYPE_BRUSH,
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BRUSH_VIEW_SIZE,
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BRUSH_VIEW_SIZE, 0,
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FALSE, FALSE, TRUE);
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gtk_widget_set_size_request (data_editor->view, -1, BRUSH_VIEW_SIZE);
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pika_view_set_expand (PIKA_VIEW (data_editor->view), TRUE);
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gtk_container_add (GTK_CONTAINER (frame), data_editor->view);
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gtk_widget_show (data_editor->view);
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editor->shape_group = NULL;
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editor->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_box_pack_start (GTK_BOX (editor), editor->options_box, FALSE, FALSE, 0);
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gtk_widget_show (editor->options_box);
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/* Stock Box for the brush shape */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
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gtk_box_pack_start (GTK_BOX (editor->options_box), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new (_("Shape:"));
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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box = pika_enum_icon_box_new (PIKA_TYPE_BRUSH_GENERATED_SHAPE,
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"pika-shape",
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GTK_ICON_SIZE_MENU,
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G_CALLBACK (pika_brush_editor_update_shape),
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editor, NULL,
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&editor->shape_group);
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gtk_box_pack_start (GTK_BOX (hbox), box, FALSE, FALSE, 0);
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gtk_widget_show (box);
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/* brush radius scale */
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editor->radius_data = gtk_adjustment_new (0.0, 0.1, 1000.0, 1.0, 10.0, 0.0);
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scale = pika_spin_scale_new (editor->radius_data, _("Radius"), 1);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (editor->radius_data, "value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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/* number of spikes */
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editor->spikes_data = gtk_adjustment_new (2.0, 2.0, 20.0, 1.0, 1.0, 0.0);
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scale = pika_spin_scale_new (editor->spikes_data, _("Spikes"), 0);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (editor->spikes_data, "value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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/* brush hardness scale */
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editor->hardness_data = gtk_adjustment_new (0.0, 0.0, 1.0, 0.01, 0.1, 0.0);
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scale = pika_spin_scale_new (editor->hardness_data, _("Hardness"), 2);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (editor->hardness_data, "value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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/* brush aspect ratio scale */
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editor->aspect_ratio_data = gtk_adjustment_new (0.0, 1.0, 20.0, 0.1, 1.0, 0.0);
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scale = pika_spin_scale_new (editor->aspect_ratio_data, _("Aspect ratio"), 1);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (editor->aspect_ratio_data,"value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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/* brush angle scale */
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editor->angle_data = gtk_adjustment_new (0.0, 0.0, 180.0, 0.1, 1.0, 0.0);
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scale = pika_spin_scale_new (editor->angle_data, _("Angle"), 1);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (editor->angle_data, "value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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/* brush spacing */
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editor->spacing_data = gtk_adjustment_new (0.0, 1.0, 5000.0, 1.0, 10.0, 0.0);
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scale = pika_spin_scale_new (editor->spacing_data, _("Spacing"), 1);
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pika_spin_scale_set_scale_limits (PIKA_SPIN_SCALE (scale), 1.0, 200.0);
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gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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pika_help_set_help_data (scale, _("Percentage of width of brush"), NULL);
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g_signal_connect (editor->spacing_data, "value-changed",
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G_CALLBACK (pika_brush_editor_update_brush),
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editor);
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}
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static void
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pika_brush_editor_constructed (GObject *object)
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{
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G_OBJECT_CLASS (parent_class)->constructed (object);
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pika_docked_set_show_button_bar (PIKA_DOCKED (object), FALSE);
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}
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static void
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pika_brush_editor_set_data (PikaDataEditor *editor,
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PikaData *data)
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{
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PikaBrushEditor *brush_editor = PIKA_BRUSH_EDITOR (editor);
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PikaBrushGeneratedShape shape = PIKA_BRUSH_GENERATED_CIRCLE;
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gdouble radius = 0.0;
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gint spikes = 2;
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gdouble hardness = 0.0;
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gdouble ratio = 0.0;
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gdouble angle = 0.0;
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gdouble spacing = 0.0;
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if (editor->data)
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g_signal_handlers_disconnect_by_func (editor->data,
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pika_brush_editor_notify_brush,
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editor);
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PIKA_DATA_EDITOR_CLASS (parent_class)->set_data (editor, data);
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if (editor->data)
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g_signal_connect (editor->data, "notify",
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G_CALLBACK (pika_brush_editor_notify_brush),
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editor);
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pika_view_set_viewable (PIKA_VIEW (editor->view), PIKA_VIEWABLE (data));
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if (editor->data)
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{
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spacing = pika_brush_get_spacing (PIKA_BRUSH (editor->data));
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if (PIKA_IS_BRUSH_GENERATED (editor->data))
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{
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PikaBrushGenerated *brush = PIKA_BRUSH_GENERATED (editor->data);
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shape = pika_brush_generated_get_shape (brush);
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radius = pika_brush_generated_get_radius (brush);
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spikes = pika_brush_generated_get_spikes (brush);
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hardness = pika_brush_generated_get_hardness (brush);
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ratio = pika_brush_generated_get_aspect_ratio (brush);
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angle = pika_brush_generated_get_angle (brush);
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}
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}
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gtk_widget_set_sensitive (brush_editor->options_box,
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editor->data_editable);
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pika_int_radio_group_set_active (GTK_RADIO_BUTTON (brush_editor->shape_group),
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shape);
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gtk_adjustment_set_value (brush_editor->radius_data, radius);
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gtk_adjustment_set_value (brush_editor->spikes_data, spikes);
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gtk_adjustment_set_value (brush_editor->hardness_data, hardness);
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gtk_adjustment_set_value (brush_editor->aspect_ratio_data, ratio);
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gtk_adjustment_set_value (brush_editor->angle_data, angle);
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gtk_adjustment_set_value (brush_editor->spacing_data, spacing);
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}
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static void
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pika_brush_editor_set_context (PikaDocked *docked,
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PikaContext *context)
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{
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PikaDataEditor *data_editor = PIKA_DATA_EDITOR (docked);
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parent_docked_iface->set_context (docked, context);
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pika_view_renderer_set_context (PIKA_VIEW (data_editor->view)->renderer,
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context);
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}
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/* public functions */
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GtkWidget *
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pika_brush_editor_new (PikaContext *context,
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PikaMenuFactory *menu_factory)
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{
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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return g_object_new (PIKA_TYPE_BRUSH_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<BrushEditor>",
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"ui-path", "/brush-editor-popup",
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"data-factory", context->pika->brush_factory,
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"context", context,
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"data", pika_context_get_brush (context),
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NULL);
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}
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/* private functions */
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static void
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pika_brush_editor_update_brush (GtkAdjustment *adjustment,
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PikaBrushEditor *editor)
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{
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PikaBrushGenerated *brush;
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gdouble value;
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if (! PIKA_IS_BRUSH_GENERATED (PIKA_DATA_EDITOR (editor)->data))
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return;
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brush = PIKA_BRUSH_GENERATED (PIKA_DATA_EDITOR (editor)->data);
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g_signal_handlers_block_by_func (brush,
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pika_brush_editor_notify_brush,
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editor);
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value = gtk_adjustment_get_value (adjustment);
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if (adjustment == editor->radius_data)
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{
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if (value != pika_brush_generated_get_radius (brush))
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pika_brush_generated_set_radius (brush, value);
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}
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else if (adjustment == editor->spikes_data)
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{
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if (ROUND (value) != pika_brush_generated_get_spikes (brush))
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pika_brush_generated_set_spikes (brush, ROUND (value));
|
||
|
|
}
|
||
|
|
else if (adjustment == editor->hardness_data)
|
||
|
|
{
|
||
|
|
if (value != pika_brush_generated_get_hardness (brush))
|
||
|
|
pika_brush_generated_set_hardness (brush, value);
|
||
|
|
}
|
||
|
|
else if (adjustment == editor->aspect_ratio_data)
|
||
|
|
{
|
||
|
|
if (value != pika_brush_generated_get_aspect_ratio (brush))
|
||
|
|
pika_brush_generated_set_aspect_ratio (brush, value);
|
||
|
|
}
|
||
|
|
else if (adjustment == editor->angle_data)
|
||
|
|
{
|
||
|
|
if (value != pika_brush_generated_get_angle (brush))
|
||
|
|
pika_brush_generated_set_angle (brush, value);
|
||
|
|
}
|
||
|
|
else if (adjustment == editor->spacing_data)
|
||
|
|
{
|
||
|
|
if (value != pika_brush_get_spacing (PIKA_BRUSH (brush)))
|
||
|
|
pika_brush_set_spacing (PIKA_BRUSH (brush), value);
|
||
|
|
}
|
||
|
|
|
||
|
|
g_signal_handlers_unblock_by_func (brush,
|
||
|
|
pika_brush_editor_notify_brush,
|
||
|
|
editor);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
pika_brush_editor_update_shape (GtkWidget *widget,
|
||
|
|
PikaBrushEditor *editor)
|
||
|
|
{
|
||
|
|
PikaBrushGenerated *brush;
|
||
|
|
|
||
|
|
if (! PIKA_IS_BRUSH_GENERATED (PIKA_DATA_EDITOR (editor)->data))
|
||
|
|
return;
|
||
|
|
|
||
|
|
brush = PIKA_BRUSH_GENERATED (PIKA_DATA_EDITOR (editor)->data);
|
||
|
|
|
||
|
|
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
|
||
|
|
{
|
||
|
|
PikaBrushGeneratedShape shape;
|
||
|
|
|
||
|
|
shape = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
|
||
|
|
"pika-item-data"));
|
||
|
|
|
||
|
|
if (pika_brush_generated_get_shape (brush) != shape)
|
||
|
|
pika_brush_generated_set_shape (brush, shape);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
pika_brush_editor_notify_brush (PikaBrushGenerated *brush,
|
||
|
|
GParamSpec *pspec,
|
||
|
|
PikaBrushEditor *editor)
|
||
|
|
{
|
||
|
|
GtkAdjustment *adj = NULL;
|
||
|
|
gdouble value = 0.0;
|
||
|
|
|
||
|
|
if (! strcmp (pspec->name, "shape"))
|
||
|
|
{
|
||
|
|
g_signal_handlers_block_by_func (editor->shape_group,
|
||
|
|
pika_brush_editor_update_shape,
|
||
|
|
editor);
|
||
|
|
|
||
|
|
pika_int_radio_group_set_active (GTK_RADIO_BUTTON (editor->shape_group),
|
||
|
|
brush->shape);
|
||
|
|
|
||
|
|
g_signal_handlers_unblock_by_func (editor->shape_group,
|
||
|
|
pika_brush_editor_update_shape,
|
||
|
|
editor);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "radius"))
|
||
|
|
{
|
||
|
|
adj = editor->radius_data;
|
||
|
|
value = pika_brush_generated_get_radius (brush);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "spikes"))
|
||
|
|
{
|
||
|
|
adj = editor->spikes_data;
|
||
|
|
value = pika_brush_generated_get_spikes (brush);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "hardness"))
|
||
|
|
{
|
||
|
|
adj = editor->hardness_data;
|
||
|
|
value = pika_brush_generated_get_hardness (brush);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "angle"))
|
||
|
|
{
|
||
|
|
adj = editor->angle_data;
|
||
|
|
value = pika_brush_generated_get_angle (brush);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "aspect-ratio"))
|
||
|
|
{
|
||
|
|
adj = editor->aspect_ratio_data;
|
||
|
|
value = pika_brush_generated_get_aspect_ratio (brush);
|
||
|
|
}
|
||
|
|
else if (! strcmp (pspec->name, "spacing"))
|
||
|
|
{
|
||
|
|
adj = editor->spacing_data;
|
||
|
|
value = pika_brush_get_spacing (PIKA_BRUSH (brush));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (adj)
|
||
|
|
{
|
||
|
|
g_signal_handlers_block_by_func (adj,
|
||
|
|
pika_brush_editor_update_brush,
|
||
|
|
editor);
|
||
|
|
|
||
|
|
gtk_adjustment_set_value (adj, value);
|
||
|
|
|
||
|
|
g_signal_handlers_unblock_by_func (adj,
|
||
|
|
pika_brush_editor_update_brush,
|
||
|
|
editor);
|
||
|
|
}
|
||
|
|
}
|
