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-rw-r--r--app/tools/gimpconvolvetool.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/app/tools/gimpconvolvetool.c b/app/tools/gimpconvolvetool.c
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+++ b/app/tools/gimpconvolvetool.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "paint/gimpconvolveoptions.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimppropwidgets.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "gimpconvolvetool.h"
+#include "gimppaintoptions-gui.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+static void gimp_convolve_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display);
+static void gimp_convolve_tool_cursor_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display);
+static void gimp_convolve_tool_oper_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ gboolean proximity,
+ GimpDisplay *display);
+static void gimp_convolve_tool_status_update (GimpTool *tool,
+ GimpConvolveType type);
+
+static GtkWidget * gimp_convolve_options_gui (GimpToolOptions *options);
+
+
+G_DEFINE_TYPE (GimpConvolveTool, gimp_convolve_tool, GIMP_TYPE_BRUSH_TOOL)
+
+#define parent_class gimp_convolve_tool_parent_class
+
+
+void
+gimp_convolve_tool_register (GimpToolRegisterCallback callback,
+ gpointer data)
+{
+ (* callback) (GIMP_TYPE_CONVOLVE_TOOL,
+ GIMP_TYPE_CONVOLVE_OPTIONS,
+ gimp_convolve_options_gui,
+ GIMP_PAINT_OPTIONS_CONTEXT_MASK,
+ "gimp-convolve-tool",
+ _("Blur / Sharpen"),
+ _("Blur / Sharpen Tool: Selective blurring or unblurring using a brush"),
+ N_("Bl_ur / Sharpen"), "<shift>U",
+ NULL, GIMP_HELP_TOOL_CONVOLVE,
+ GIMP_ICON_TOOL_BLUR,
+ data);
+}
+
+static void
+gimp_convolve_tool_class_init (GimpConvolveToolClass *klass)
+{
+ GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
+
+ tool_class->modifier_key = gimp_convolve_tool_modifier_key;
+ tool_class->cursor_update = gimp_convolve_tool_cursor_update;
+ tool_class->oper_update = gimp_convolve_tool_oper_update;
+}
+
+static void
+gimp_convolve_tool_init (GimpConvolveTool *convolve)
+{
+ GimpTool *tool = GIMP_TOOL (convolve);
+
+ gimp_tool_control_set_tool_cursor (tool->control,
+ GIMP_TOOL_CURSOR_BLUR);
+ gimp_tool_control_set_toggle_cursor_modifier (tool->control,
+ GIMP_CURSOR_MODIFIER_MINUS);
+
+ gimp_convolve_tool_status_update (tool, GIMP_CONVOLVE_BLUR);
+}
+
+static void
+gimp_convolve_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpConvolveTool *convolve = GIMP_CONVOLVE_TOOL (tool);
+ GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
+ GdkModifierType line_mask = GIMP_PAINT_TOOL_LINE_MASK;
+ GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
+
+ if (((key == toggle_mask) &&
+ ! (state & line_mask) && /* leave stuff untouched in line draw mode */
+ press != convolve->toggled)
+
+ ||
+
+ (key == line_mask && /* toggle back after keypresses CTRL(hold)-> */
+ ! press && /* SHIFT(hold)->CTRL(release)->SHIFT(release) */
+ convolve->toggled &&
+ ! (state & toggle_mask)))
+ {
+ convolve->toggled = press;
+
+ switch (options->type)
+ {
+ case GIMP_CONVOLVE_BLUR:
+ g_object_set (options, "type", GIMP_CONVOLVE_SHARPEN, NULL);
+ break;
+
+ case GIMP_CONVOLVE_SHARPEN:
+ g_object_set (options, "type", GIMP_CONVOLVE_BLUR, NULL);
+ break;
+ }
+ }
+}
+
+static void
+gimp_convolve_tool_cursor_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
+
+ gimp_tool_control_set_toggled (tool->control,
+ options->type == GIMP_CONVOLVE_SHARPEN);
+
+ GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
+}
+
+static void
+gimp_convolve_tool_oper_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ gboolean proximity,
+ GimpDisplay *display)
+{
+ GimpConvolveOptions *options = GIMP_CONVOLVE_TOOL_GET_OPTIONS (tool);
+
+ gimp_convolve_tool_status_update (tool, options->type);
+
+ GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
+ display);
+}
+
+static void
+gimp_convolve_tool_status_update (GimpTool *tool,
+ GimpConvolveType type)
+{
+ GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
+
+ switch (type)
+ {
+ case GIMP_CONVOLVE_BLUR:
+ paint_tool->status = _("Click to blur");
+ paint_tool->status_line = _("Click to blur the line");
+ paint_tool->status_ctrl = _("%s to sharpen");
+ break;
+
+ case GIMP_CONVOLVE_SHARPEN:
+ paint_tool->status = _("Click to sharpen");
+ paint_tool->status_line = _("Click to sharpen the line");
+ paint_tool->status_ctrl = _("%s to blur");
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+/* tool options stuff */
+
+static GtkWidget *
+gimp_convolve_options_gui (GimpToolOptions *tool_options)
+{
+ GObject *config = G_OBJECT (tool_options);
+ GtkWidget *vbox = gimp_paint_options_gui (tool_options);
+ GtkWidget *frame;
+ GtkWidget *scale;
+ gchar *str;
+ GdkModifierType toggle_mask;
+
+ toggle_mask = gimp_get_toggle_behavior_mask ();
+
+ /* the type radio box */
+ str = g_strdup_printf (_("Convolve Type (%s)"),
+ gimp_get_mod_string (toggle_mask));
+
+ frame = gimp_prop_enum_radio_frame_new (config, "type",
+ str, 0, 0);
+ gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ g_free (str);
+
+ /* the rate scale */
+ scale = gimp_prop_spin_scale_new (config, "rate", NULL,
+ 1.0, 10.0, 1);
+ gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
+ gtk_widget_show (scale);
+
+ return vbox;
+}
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