summaryrefslogtreecommitdiffstats
path: root/app/widgets/gimpbrusheditor.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--app/widgets/gimpbrusheditor.c464
1 files changed, 464 insertions, 0 deletions
diff --git a/app/widgets/gimpbrusheditor.c b/app/widgets/gimpbrusheditor.c
new file mode 100644
index 0000000..c664e38
--- /dev/null
+++ b/app/widgets/gimpbrusheditor.c
@@ -0,0 +1,464 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpbrusheditor.c
+ * Copyright 1998 Jay Cox <jaycox@earthlink.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpmath/gimpmath.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpbrushgenerated.h"
+#include "core/gimpcontext.h"
+
+#include "gimpbrusheditor.h"
+#include "gimpdocked.h"
+#include "gimpspinscale.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+
+#include "gimp-intl.h"
+
+
+#define BRUSH_VIEW_SIZE 96
+
+
+/* local function prototypes */
+
+static void gimp_brush_editor_docked_iface_init (GimpDockedInterface *face);
+
+static void gimp_brush_editor_constructed (GObject *object);
+
+static void gimp_brush_editor_set_data (GimpDataEditor *editor,
+ GimpData *data);
+
+static void gimp_brush_editor_set_context (GimpDocked *docked,
+ GimpContext *context);
+
+static void gimp_brush_editor_update_brush (GtkAdjustment *adjustment,
+ GimpBrushEditor *editor);
+static void gimp_brush_editor_update_shape (GtkWidget *widget,
+ GimpBrushEditor *editor);
+static void gimp_brush_editor_notify_brush (GimpBrushGenerated *brush,
+ GParamSpec *pspec,
+ GimpBrushEditor *editor);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpBrushEditor, gimp_brush_editor,
+ GIMP_TYPE_DATA_EDITOR,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
+ gimp_brush_editor_docked_iface_init))
+
+#define parent_class gimp_brush_editor_parent_class
+
+static GimpDockedInterface *parent_docked_iface = NULL;
+
+
+static void
+gimp_brush_editor_class_init (GimpBrushEditorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpDataEditorClass *editor_class = GIMP_DATA_EDITOR_CLASS (klass);
+
+ object_class->constructed = gimp_brush_editor_constructed;
+
+ editor_class->set_data = gimp_brush_editor_set_data;
+ editor_class->title = _("Brush Editor");
+}
+
+static void
+gimp_brush_editor_docked_iface_init (GimpDockedInterface *iface)
+{
+ parent_docked_iface = g_type_interface_peek_parent (iface);
+
+ if (! parent_docked_iface)
+ parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
+
+ iface->set_context = gimp_brush_editor_set_context;
+}
+
+static void
+gimp_brush_editor_init (GimpBrushEditor *editor)
+{
+ GimpDataEditor *data_editor = GIMP_DATA_EDITOR (editor);
+ GtkWidget *frame;
+ GtkWidget *hbox;
+ GtkWidget *label;
+ GtkWidget *box;
+ GtkWidget *scale;
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
+ gtk_widget_show (frame);
+
+ data_editor->view = gimp_view_new_full_by_types (NULL,
+ GIMP_TYPE_VIEW,
+ GIMP_TYPE_BRUSH,
+ BRUSH_VIEW_SIZE,
+ BRUSH_VIEW_SIZE, 0,
+ FALSE, FALSE, TRUE);
+ gtk_widget_set_size_request (data_editor->view, -1, BRUSH_VIEW_SIZE);
+ gimp_view_set_expand (GIMP_VIEW (data_editor->view), TRUE);
+ gtk_container_add (GTK_CONTAINER (frame), data_editor->view);
+ gtk_widget_show (data_editor->view);
+
+ editor->shape_group = NULL;
+
+ editor->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ gtk_box_pack_start (GTK_BOX (editor), editor->options_box, FALSE, FALSE, 0);
+ gtk_widget_show (editor->options_box);
+
+ /* Stock Box for the brush shape */
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new (_("Shape:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ box = gimp_enum_icon_box_new (GIMP_TYPE_BRUSH_GENERATED_SHAPE,
+ "gimp-shape",
+ GTK_ICON_SIZE_MENU,
+ G_CALLBACK (gimp_brush_editor_update_shape),
+ editor,
+ &editor->shape_group);
+ gtk_box_pack_start (GTK_BOX (hbox), box, FALSE, FALSE, 0);
+ gtk_widget_show (box);
+
+ /* brush radius scale */
+ editor->radius_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.1, 1000.0, 1.0, 10.0, 0.0));
+ scale = gimp_spin_scale_new (editor->radius_data, _("Radius"), 1);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ g_signal_connect (editor->radius_data, "value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+
+ /* number of spikes */
+ editor->spikes_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (2.0, 2.0, 20.0, 1.0, 1.0, 0.0));
+ scale = gimp_spin_scale_new (editor->spikes_data, _("Spikes"), 0);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ g_signal_connect (editor->spikes_data, "value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+
+ /* brush hardness scale */
+ editor->hardness_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 1.0, 0.01, 0.1, 0.0));
+ scale = gimp_spin_scale_new (editor->hardness_data, _("Hardness"), 2);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ g_signal_connect (editor->hardness_data, "value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+
+ /* brush aspect ratio scale */
+ editor->aspect_ratio_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 1.0, 20.0, 0.1, 1.0, 0.0));
+ scale = gimp_spin_scale_new (editor->aspect_ratio_data, _("Aspect ratio"), 1);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ g_signal_connect (editor->aspect_ratio_data,"value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+
+ /* brush angle scale */
+ editor->angle_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 180.0, 0.1, 1.0, 0.0));
+ scale = gimp_spin_scale_new (editor->angle_data, _("Angle"), 1);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ g_signal_connect (editor->angle_data, "value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+
+ /* brush spacing */
+ editor->spacing_data =
+ GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 1.0, 5000.0, 1.0, 10.0, 0.0));
+ scale = gimp_spin_scale_new (editor->spacing_data, _("Spacing"), 1);
+ gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (scale), 1.0, 200.0);
+ gtk_box_pack_start (GTK_BOX (editor->options_box), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ gimp_help_set_help_data (scale, _("Percentage of width of brush"), NULL);
+
+ g_signal_connect (editor->spacing_data, "value-changed",
+ G_CALLBACK (gimp_brush_editor_update_brush),
+ editor);
+}
+
+static void
+gimp_brush_editor_constructed (GObject *object)
+{
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_docked_set_show_button_bar (GIMP_DOCKED (object), FALSE);
+}
+
+static void
+gimp_brush_editor_set_data (GimpDataEditor *editor,
+ GimpData *data)
+{
+ GimpBrushEditor *brush_editor = GIMP_BRUSH_EDITOR (editor);
+ GimpBrushGeneratedShape shape = GIMP_BRUSH_GENERATED_CIRCLE;
+ gdouble radius = 0.0;
+ gint spikes = 2;
+ gdouble hardness = 0.0;
+ gdouble ratio = 0.0;
+ gdouble angle = 0.0;
+ gdouble spacing = 0.0;
+
+ if (editor->data)
+ g_signal_handlers_disconnect_by_func (editor->data,
+ gimp_brush_editor_notify_brush,
+ editor);
+
+ GIMP_DATA_EDITOR_CLASS (parent_class)->set_data (editor, data);
+
+ if (editor->data)
+ g_signal_connect (editor->data, "notify",
+ G_CALLBACK (gimp_brush_editor_notify_brush),
+ editor);
+
+ gimp_view_set_viewable (GIMP_VIEW (editor->view), GIMP_VIEWABLE (data));
+
+ if (editor->data)
+ {
+ spacing = gimp_brush_get_spacing (GIMP_BRUSH (editor->data));
+
+ if (GIMP_IS_BRUSH_GENERATED (editor->data))
+ {
+ GimpBrushGenerated *brush = GIMP_BRUSH_GENERATED (editor->data);
+
+ shape = gimp_brush_generated_get_shape (brush);
+ radius = gimp_brush_generated_get_radius (brush);
+ spikes = gimp_brush_generated_get_spikes (brush);
+ hardness = gimp_brush_generated_get_hardness (brush);
+ ratio = gimp_brush_generated_get_aspect_ratio (brush);
+ angle = gimp_brush_generated_get_angle (brush);
+ }
+ }
+
+ gtk_widget_set_sensitive (brush_editor->options_box,
+ editor->data_editable);
+
+ gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (brush_editor->shape_group),
+ shape);
+
+ gtk_adjustment_set_value (brush_editor->radius_data, radius);
+ gtk_adjustment_set_value (brush_editor->spikes_data, spikes);
+ gtk_adjustment_set_value (brush_editor->hardness_data, hardness);
+ gtk_adjustment_set_value (brush_editor->aspect_ratio_data, ratio);
+ gtk_adjustment_set_value (brush_editor->angle_data, angle);
+ gtk_adjustment_set_value (brush_editor->spacing_data, spacing);
+}
+
+static void
+gimp_brush_editor_set_context (GimpDocked *docked,
+ GimpContext *context)
+{
+ GimpDataEditor *data_editor = GIMP_DATA_EDITOR (docked);
+
+ parent_docked_iface->set_context (docked, context);
+
+ gimp_view_renderer_set_context (GIMP_VIEW (data_editor->view)->renderer,
+ context);
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_brush_editor_new (GimpContext *context,
+ GimpMenuFactory *menu_factory)
+{
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+
+ return g_object_new (GIMP_TYPE_BRUSH_EDITOR,
+ "menu-factory", menu_factory,
+ "menu-identifier", "<BrushEditor>",
+ "ui-path", "/brush-editor-popup",
+ "data-factory", context->gimp->brush_factory,
+ "context", context,
+ "data", gimp_context_get_brush (context),
+ NULL);
+}
+
+
+/* private functions */
+
+static void
+gimp_brush_editor_update_brush (GtkAdjustment *adjustment,
+ GimpBrushEditor *editor)
+{
+ GimpBrushGenerated *brush;
+ gdouble value;
+
+ if (! GIMP_IS_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data))
+ return;
+
+ brush = GIMP_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data);
+
+ g_signal_handlers_block_by_func (brush,
+ gimp_brush_editor_notify_brush,
+ editor);
+
+ value = gtk_adjustment_get_value (adjustment);
+
+ if (adjustment == editor->radius_data)
+ {
+ if (value != gimp_brush_generated_get_radius (brush))
+ gimp_brush_generated_set_radius (brush, value);
+ }
+ else if (adjustment == editor->spikes_data)
+ {
+ if (ROUND (value) != gimp_brush_generated_get_spikes (brush))
+ gimp_brush_generated_set_spikes (brush, ROUND (value));
+ }
+ else if (adjustment == editor->hardness_data)
+ {
+ if (value != gimp_brush_generated_get_hardness (brush))
+ gimp_brush_generated_set_hardness (brush, value);
+ }
+ else if (adjustment == editor->aspect_ratio_data)
+ {
+ if (value != gimp_brush_generated_get_aspect_ratio (brush))
+ gimp_brush_generated_set_aspect_ratio (brush, value);
+ }
+ else if (adjustment == editor->angle_data)
+ {
+ if (value != gimp_brush_generated_get_angle (brush))
+ gimp_brush_generated_set_angle (brush, value);
+ }
+ else if (adjustment == editor->spacing_data)
+ {
+ if (value != gimp_brush_get_spacing (GIMP_BRUSH (brush)))
+ gimp_brush_set_spacing (GIMP_BRUSH (brush), value);
+ }
+
+ g_signal_handlers_unblock_by_func (brush,
+ gimp_brush_editor_notify_brush,
+ editor);
+}
+
+static void
+gimp_brush_editor_update_shape (GtkWidget *widget,
+ GimpBrushEditor *editor)
+{
+ GimpBrushGenerated *brush;
+
+ if (! GIMP_IS_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data))
+ return;
+
+ brush = GIMP_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data);
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
+ {
+ GimpBrushGeneratedShape shape;
+
+ shape = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
+ "gimp-item-data"));
+
+ if (gimp_brush_generated_get_shape (brush) != shape)
+ gimp_brush_generated_set_shape (brush, shape);
+ }
+}
+
+static void
+gimp_brush_editor_notify_brush (GimpBrushGenerated *brush,
+ GParamSpec *pspec,
+ GimpBrushEditor *editor)
+{
+ GtkAdjustment *adj = NULL;
+ gdouble value = 0.0;
+
+ if (! strcmp (pspec->name, "shape"))
+ {
+ g_signal_handlers_block_by_func (editor->shape_group,
+ gimp_brush_editor_update_shape,
+ editor);
+
+ gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (editor->shape_group),
+ brush->shape);
+
+ g_signal_handlers_unblock_by_func (editor->shape_group,
+ gimp_brush_editor_update_shape,
+ editor);
+ }
+ else if (! strcmp (pspec->name, "radius"))
+ {
+ adj = editor->radius_data;
+ value = gimp_brush_generated_get_radius (brush);
+ }
+ else if (! strcmp (pspec->name, "spikes"))
+ {
+ adj = editor->spikes_data;
+ value = gimp_brush_generated_get_spikes (brush);
+ }
+ else if (! strcmp (pspec->name, "hardness"))
+ {
+ adj = editor->hardness_data;
+ value = gimp_brush_generated_get_hardness (brush);
+ }
+ else if (! strcmp (pspec->name, "angle"))
+ {
+ adj = editor->angle_data;
+ value = gimp_brush_generated_get_angle (brush);
+ }
+ else if (! strcmp (pspec->name, "aspect-ratio"))
+ {
+ adj = editor->aspect_ratio_data;
+ value = gimp_brush_generated_get_aspect_ratio (brush);
+ }
+ else if (! strcmp (pspec->name, "spacing"))
+ {
+ adj = editor->spacing_data;
+ value = gimp_brush_get_spacing (GIMP_BRUSH (brush));
+ }
+
+ if (adj)
+ {
+ g_signal_handlers_block_by_func (adj,
+ gimp_brush_editor_update_brush,
+ editor);
+
+ gtk_adjustment_set_value (adj, value);
+
+ g_signal_handlers_unblock_by_func (adj,
+ gimp_brush_editor_update_brush,
+ editor);
+ }
+}