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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/tools/gimperasertool.c
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/tools/gimperasertool.c')
-rw-r--r--app/tools/gimperasertool.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/app/tools/gimperasertool.c b/app/tools/gimperasertool.c
new file mode 100644
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+++ b/app/tools/gimperasertool.c
@@ -0,0 +1,176 @@
+/* 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 "core/gimpdrawable.h"
+
+#include "paint/gimperaseroptions.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "gimperasertool.h"
+#include "gimppaintoptions-gui.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+static void gimp_eraser_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display);
+static void gimp_eraser_tool_cursor_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display);
+
+static gboolean gimp_eraser_tool_is_alpha_only (GimpPaintTool *paint_tool,
+ GimpDrawable *drawable);
+
+static GtkWidget * gimp_eraser_options_gui (GimpToolOptions *tool_options);
+
+
+G_DEFINE_TYPE (GimpEraserTool, gimp_eraser_tool, GIMP_TYPE_BRUSH_TOOL)
+
+#define parent_class gimp_eraser_tool_parent_class
+
+
+void
+gimp_eraser_tool_register (GimpToolRegisterCallback callback,
+ gpointer data)
+{
+ (* callback) (GIMP_TYPE_ERASER_TOOL,
+ GIMP_TYPE_ERASER_OPTIONS,
+ gimp_eraser_options_gui,
+ GIMP_PAINT_OPTIONS_CONTEXT_MASK,
+ "gimp-eraser-tool",
+ _("Eraser"),
+ _("Eraser Tool: Erase to background or transparency using a brush"),
+ N_("_Eraser"), "<shift>E",
+ NULL, GIMP_HELP_TOOL_ERASER,
+ GIMP_ICON_TOOL_ERASER,
+ data);
+}
+
+static void
+gimp_eraser_tool_class_init (GimpEraserToolClass *klass)
+{
+ GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
+ GimpPaintToolClass *paint_tool_class = GIMP_PAINT_TOOL_CLASS (klass);
+
+ tool_class->modifier_key = gimp_eraser_tool_modifier_key;
+ tool_class->cursor_update = gimp_eraser_tool_cursor_update;
+
+ paint_tool_class->is_alpha_only = gimp_eraser_tool_is_alpha_only;
+}
+
+static void
+gimp_eraser_tool_init (GimpEraserTool *eraser)
+{
+ GimpTool *tool = GIMP_TOOL (eraser);
+ GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (eraser);
+
+ gimp_tool_control_set_tool_cursor (tool->control,
+ GIMP_TOOL_CURSOR_ERASER);
+ gimp_tool_control_set_toggle_cursor_modifier (tool->control,
+ GIMP_CURSOR_MODIFIER_MINUS);
+
+ gimp_paint_tool_enable_color_picker (paint_tool,
+ GIMP_COLOR_PICK_TARGET_BACKGROUND);
+
+ paint_tool->status = _("Click to erase");
+ paint_tool->status_line = _("Click to erase the line");
+ paint_tool->status_ctrl = _("%s to pick a background color");
+}
+
+static void
+gimp_eraser_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ if (key == GDK_MOD1_MASK)
+ {
+ GimpEraserOptions *options = GIMP_ERASER_TOOL_GET_OPTIONS (tool);
+
+ g_object_set (options,
+ "anti-erase", ! options->anti_erase,
+ NULL);
+ }
+
+ GIMP_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state, display);
+}
+
+static void
+gimp_eraser_tool_cursor_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpEraserOptions *options = GIMP_ERASER_TOOL_GET_OPTIONS (tool);
+
+ gimp_tool_control_set_toggled (tool->control, options->anti_erase);
+
+ GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
+}
+
+static gboolean
+gimp_eraser_tool_is_alpha_only (GimpPaintTool *paint_tool,
+ GimpDrawable *drawable)
+{
+ GimpEraserOptions *options = GIMP_ERASER_TOOL_GET_OPTIONS (paint_tool);
+
+ if (! options->anti_erase)
+ return gimp_drawable_has_alpha (drawable);
+ else
+ return TRUE;
+}
+
+
+/* tool options stuff */
+
+static GtkWidget *
+gimp_eraser_options_gui (GimpToolOptions *tool_options)
+{
+ GObject *config = G_OBJECT (tool_options);
+ GtkWidget *vbox = gimp_paint_options_gui (tool_options);
+ GtkWidget *button;
+ gchar *str;
+
+ /* the anti_erase toggle */
+ str = g_strdup_printf (_("Anti erase (%s)"),
+ gimp_get_mod_string (GDK_MOD1_MASK));
+
+ button = gimp_prop_check_button_new (config, "anti-erase", str);
+ gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_free (str);
+
+ return vbox;
+}