349 lines
13 KiB
C
349 lines
13 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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* pikabrushselect.c
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* Copyright (C) 2004 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 "gegl/pika-babl-compat.h"
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#include "core/pika.h"
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#include "core/pikacontext.h"
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#include "core/pikabrush.h"
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#include "core/pikaparamspecs.h"
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#include "core/pikatempbuf.h"
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#include "pdb/pikapdb.h"
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#include "pikabrushfactoryview.h"
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#include "pikabrushselect.h"
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#include "pikacontainerbox.h"
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#include "pikalayermodebox.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_OPACITY,
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PROP_PAINT_MODE,
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PROP_SPACING
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};
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static void pika_brush_select_constructed (GObject *object);
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static void pika_brush_select_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 PikaValueArray * pika_brush_select_run_callback (PikaPdbDialog *dialog,
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PikaObject *object,
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gboolean closing,
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GError **error);
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static void pika_brush_select_opacity_changed (PikaContext *context,
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gdouble opacity,
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PikaBrushSelect *select);
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static void pika_brush_select_mode_changed (PikaContext *context,
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PikaLayerMode paint_mode,
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PikaBrushSelect *select);
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static void pika_brush_select_opacity_update (GtkAdjustment *adj,
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PikaBrushSelect *select);
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static void pika_brush_select_spacing_update (PikaBrushFactoryView *view,
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PikaBrushSelect *select);
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G_DEFINE_TYPE (PikaBrushSelect, pika_brush_select, PIKA_TYPE_PDB_DIALOG)
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#define parent_class pika_brush_select_parent_class
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static void
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pika_brush_select_class_init (PikaBrushSelectClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaPdbDialogClass *pdb_class = PIKA_PDB_DIALOG_CLASS (klass);
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object_class->constructed = pika_brush_select_constructed;
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object_class->set_property = pika_brush_select_set_property;
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pdb_class->run_callback = pika_brush_select_run_callback;
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g_object_class_install_property (object_class, PROP_OPACITY,
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g_param_spec_double ("opacity", NULL, NULL,
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PIKA_OPACITY_TRANSPARENT,
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PIKA_OPACITY_OPAQUE,
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PIKA_OPACITY_OPAQUE,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_PAINT_MODE,
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g_param_spec_enum ("paint-mode", NULL, NULL,
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PIKA_TYPE_LAYER_MODE,
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PIKA_LAYER_MODE_NORMAL,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT));
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g_object_class_install_property (object_class, PROP_SPACING,
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g_param_spec_int ("spacing", NULL, NULL,
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-G_MAXINT, 1000, -1,
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PIKA_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_brush_select_init (PikaBrushSelect *select)
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{
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}
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static void
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pika_brush_select_constructed (GObject *object)
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{
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PikaPdbDialog *dialog = PIKA_PDB_DIALOG (object);
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PikaBrushSelect *select = PIKA_BRUSH_SELECT (object);
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GtkWidget *content_area;
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GtkWidget *vbox;
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GtkWidget *scale;
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GtkWidget *hbox;
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GtkWidget *label;
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GtkAdjustment *spacing_adj;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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pika_context_set_opacity (dialog->context, select->initial_opacity);
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pika_context_set_paint_mode (dialog->context, select->initial_mode);
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g_signal_connect (dialog->context, "opacity-changed",
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G_CALLBACK (pika_brush_select_opacity_changed),
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dialog);
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g_signal_connect (dialog->context, "paint-mode-changed",
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G_CALLBACK (pika_brush_select_mode_changed),
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dialog);
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dialog->view =
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pika_brush_factory_view_new (PIKA_VIEW_TYPE_GRID,
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dialog->context->pika->brush_factory,
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dialog->context,
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FALSE,
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PIKA_VIEW_SIZE_MEDIUM, 1,
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dialog->menu_factory);
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pika_container_box_set_size_request (PIKA_CONTAINER_BOX (PIKA_CONTAINER_EDITOR (dialog->view)->view),
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5 * (PIKA_VIEW_SIZE_MEDIUM + 2),
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5 * (PIKA_VIEW_SIZE_MEDIUM + 2));
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gtk_container_set_border_width (GTK_CONTAINER (dialog->view), 12);
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
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gtk_box_pack_start (GTK_BOX (content_area), dialog->view, TRUE, TRUE, 0);
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gtk_widget_show (dialog->view);
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vbox = GTK_WIDGET (PIKA_CONTAINER_EDITOR (dialog->view)->view);
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/* Create the opacity scale widget */
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select->opacity_data =
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gtk_adjustment_new (pika_context_get_opacity (dialog->context) * 100.0,
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0.0, 100.0,
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1.0, 10.0, 0.0);
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scale = pika_spin_scale_new (select->opacity_data,
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_("Opacity"), 1);
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pika_spin_scale_set_constrain_drag (PIKA_SPIN_SCALE (scale), TRUE);
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gtk_box_pack_end (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
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gtk_widget_show (scale);
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g_signal_connect (select->opacity_data, "value-changed",
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G_CALLBACK (pika_brush_select_opacity_update),
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select);
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/* Create the paint mode option menu */
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
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gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new (_("Mode:"));
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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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select->layer_mode_box = pika_layer_mode_box_new (PIKA_LAYER_MODE_CONTEXT_PAINT);
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gtk_box_pack_start (GTK_BOX (hbox), select->layer_mode_box, TRUE, TRUE, 0);
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gtk_widget_show (select->layer_mode_box);
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g_object_bind_property (G_OBJECT (dialog->context), "paint-mode",
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G_OBJECT (select->layer_mode_box), "layer-mode",
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G_BINDING_BIDIRECTIONAL |
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G_BINDING_SYNC_CREATE);
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spacing_adj = PIKA_BRUSH_FACTORY_VIEW (dialog->view)->spacing_adjustment;
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/* Use passed spacing instead of brushes default */
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if (select->spacing >= 0)
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gtk_adjustment_set_value (spacing_adj, select->spacing);
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g_signal_connect (dialog->view, "spacing-changed",
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G_CALLBACK (pika_brush_select_spacing_update),
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select);
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}
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static void
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pika_brush_select_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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PikaPdbDialog *dialog = PIKA_PDB_DIALOG (object);
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PikaBrushSelect *select = PIKA_BRUSH_SELECT (object);
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switch (property_id)
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{
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case PROP_OPACITY:
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if (dialog->view)
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pika_context_set_opacity (dialog->context, g_value_get_double (value));
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else
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select->initial_opacity = g_value_get_double (value);
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break;
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case PROP_PAINT_MODE:
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if (dialog->view)
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pika_context_set_paint_mode (dialog->context, g_value_get_enum (value));
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else
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select->initial_mode = g_value_get_enum (value);
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break;
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case PROP_SPACING:
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if (dialog->view)
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{
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if (g_value_get_int (value) >= 0)
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gtk_adjustment_set_value (PIKA_BRUSH_FACTORY_VIEW (dialog->view)->spacing_adjustment,
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g_value_get_int (value));
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}
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else
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{
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select->spacing = g_value_get_int (value);
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}
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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 PikaValueArray *
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pika_brush_select_run_callback (PikaPdbDialog *dialog,
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PikaObject *object,
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gboolean closing,
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GError **error)
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{
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PikaBrush *brush = PIKA_BRUSH (object);
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PikaTempBuf *mask = pika_brush_get_mask (brush);
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const Babl *format;
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gpointer data;
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GBytes *bytes;
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PikaValueArray *return_vals;
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format = pika_babl_compat_u8_mask_format (pika_temp_buf_get_format (mask));
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data = pika_temp_buf_lock (mask, format, GEGL_ACCESS_READ);
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bytes = g_bytes_new_static (data,
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pika_temp_buf_get_width (mask) *
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pika_temp_buf_get_height (mask) *
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babl_format_get_bytes_per_pixel (format));
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return_vals =
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pika_pdb_execute_procedure_by_name (dialog->pdb,
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dialog->caller_context,
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NULL, error,
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dialog->callback_name,
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PIKA_TYPE_RESOURCE, object,
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G_TYPE_DOUBLE, pika_context_get_opacity (dialog->context) * 100.0,
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G_TYPE_INT, PIKA_BRUSH_SELECT (dialog)->spacing,
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PIKA_TYPE_LAYER_MODE, pika_context_get_paint_mode (dialog->context),
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G_TYPE_INT, pika_brush_get_width (brush),
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G_TYPE_INT, pika_brush_get_height (brush),
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G_TYPE_BYTES, bytes,
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G_TYPE_BOOLEAN, closing,
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G_TYPE_NONE);
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g_bytes_unref (bytes);
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pika_temp_buf_unlock (mask, data);
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return return_vals;
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}
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static void
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pika_brush_select_opacity_changed (PikaContext *context,
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gdouble opacity,
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PikaBrushSelect *select)
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{
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g_signal_handlers_block_by_func (select->opacity_data,
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pika_brush_select_opacity_update,
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select);
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gtk_adjustment_set_value (select->opacity_data, opacity * 100.0);
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g_signal_handlers_unblock_by_func (select->opacity_data,
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pika_brush_select_opacity_update,
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select);
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pika_pdb_dialog_run_callback ((PikaPdbDialog **) &select, FALSE);
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}
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static void
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pika_brush_select_mode_changed (PikaContext *context,
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PikaLayerMode paint_mode,
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PikaBrushSelect *select)
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{
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pika_pdb_dialog_run_callback ((PikaPdbDialog **) &select, FALSE);
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}
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static void
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pika_brush_select_opacity_update (GtkAdjustment *adjustment,
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PikaBrushSelect *select)
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{
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pika_context_set_opacity (PIKA_PDB_DIALOG (select)->context,
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gtk_adjustment_get_value (adjustment) / 100.0);
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}
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static void
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pika_brush_select_spacing_update (PikaBrushFactoryView *view,
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PikaBrushSelect *select)
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{
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gdouble value = gtk_adjustment_get_value (view->spacing_adjustment);
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if (select->spacing != value)
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{
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select->spacing = value;
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pika_pdb_dialog_run_callback ((PikaPdbDialog **) &select, FALSE);
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}
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}
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