Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 169 insertions, 0 deletions

diff --git a/app/tools/gimpmybrushtool.c b/app/tools/gimpmybrushtool.c
new file mode 100644
index 0000000..4576b89
--- /dev/null
+++ b/app/tools/gimpmybrushtool.c
@@ -0,0 +1,169 @@
+/* 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 "libgimpmath/gimpmath.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "paint/gimpmybrushoptions.h"
+
+#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
+#include "display/gimpcanvasarc.h"
+
+#include "core/gimp.h"
+
+#include "widgets/gimphelp-ids.h"
+
+#include "gimpmybrushoptions-gui.h"
+#include "gimpmybrushtool.h"
+#include "gimptoolcontrol.h"
+#include "core/gimpmybrush.h"
+
+#include "gimp-intl.h"
+
+G_DEFINE_TYPE (GimpMybrushTool, gimp_mybrush_tool, GIMP_TYPE_PAINT_TOOL)
+
+#define parent_class gimp_mybrush_tool_parent_class
+
+
+static void   gimp_mybrush_tool_options_notify        (GimpTool         *tool,
+                                                       GimpToolOptions  *options,
+                                                       const GParamSpec *pspec);
+
+static GimpCanvasItem * gimp_mybrush_tool_get_outline (GimpPaintTool *paint_tool,
+                                                       GimpDisplay   *display,
+                                                       gdouble        x,
+                                                       gdouble        y);
+
+
+void
+gimp_mybrush_tool_register (GimpToolRegisterCallback  callback,
+                            gpointer                  data)
+{
+  (* callback) (GIMP_TYPE_MYBRUSH_TOOL,
+                GIMP_TYPE_MYBRUSH_OPTIONS,
+                gimp_mybrush_options_gui,
+                GIMP_CONTEXT_PROP_MASK_FOREGROUND |
+                GIMP_CONTEXT_PROP_MASK_BACKGROUND |
+                GIMP_CONTEXT_PROP_MASK_OPACITY    |
+                GIMP_CONTEXT_PROP_MASK_PAINT_MODE |
+                GIMP_CONTEXT_PROP_MASK_MYBRUSH,
+                "gimp-mypaint-brush-tool",
+                _("MyPaint Brush"),
+                _("MyPaint Brush Tool: Use MyPaint brushes in GIMP"),
+                N_("M_yPaint Brush"), "Y",
+                NULL, GIMP_HELP_TOOL_MYPAINT_BRUSH,
+                GIMP_ICON_TOOL_MYPAINT_BRUSH,
+                data);
+}
+
+static void
+gimp_mybrush_tool_class_init (GimpMybrushToolClass *klass)
+{
+  GimpToolClass      *tool_class       = GIMP_TOOL_CLASS (klass);
+  GimpPaintToolClass *paint_tool_class = GIMP_PAINT_TOOL_CLASS (klass);
+
+  tool_class->options_notify    = gimp_mybrush_tool_options_notify;
+
+  paint_tool_class->get_outline = gimp_mybrush_tool_get_outline;
+}
+
+static void
+gimp_mybrush_tool_init (GimpMybrushTool *mybrush_tool)
+{
+  GimpTool *tool = GIMP_TOOL (mybrush_tool);
+
+  gimp_tool_control_set_tool_cursor     (tool->control, GIMP_TOOL_CURSOR_INK);
+  gimp_tool_control_set_action_size     (tool->control,
+                                         "tools/tools-mypaint-brush-radius-set");
+  gimp_tool_control_set_action_hardness (tool->control,
+                                         "tools/tools-mypaint-brush-hardness-set");
+
+  gimp_paint_tool_enable_color_picker (GIMP_PAINT_TOOL (mybrush_tool),
+                                       GIMP_COLOR_PICK_TARGET_FOREGROUND);
+}
+
+static void
+gimp_mybrush_tool_options_notify (GimpTool         *tool,
+                                  GimpToolOptions  *options,
+                                  const GParamSpec *pspec)
+{
+  GIMP_TOOL_CLASS (parent_class)->options_notify (tool, options, pspec);
+
+  if (! strcmp (pspec->name, "radius"))
+    {
+      gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
+      gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+    }
+}
+
+static GimpCanvasItem *
+gimp_mybrush_tool_get_outline (GimpPaintTool *paint_tool,
+                               GimpDisplay   *display,
+                               gdouble        x,
+                               gdouble        y)
+{
+  GimpMybrushOptions *options = GIMP_MYBRUSH_TOOL_GET_OPTIONS (paint_tool);
+  GimpMybrush        *brush   = gimp_context_get_mybrush (GIMP_CONTEXT (options));
+  GimpCanvasItem     *item    = NULL;
+  GimpDisplayShell   *shell   = gimp_display_get_shell (display);
+
+  gdouble radius = exp (options->radius) + 2 * options->radius * gimp_mybrush_get_offset_by_random (brush);
+  radius = MAX (MAX (4 / shell->scale_x, 4 / shell->scale_y), radius);
+
+  item = gimp_mybrush_tool_create_cursor (paint_tool, display, x, y, radius);
+
+  if (! item)
+    {
+      gimp_paint_tool_set_draw_fallback (paint_tool,
+                                         TRUE, radius);
+    }
+
+  return item;
+}
+
+GimpCanvasItem *
+gimp_mybrush_tool_create_cursor (GimpPaintTool *paint_tool,
+                                 GimpDisplay   *display,
+                                 gdouble        x,
+                                 gdouble        y,
+                                 gdouble        radius)
+{
+
+  GimpDisplayShell     *shell;
+
+  g_return_val_if_fail (GIMP_IS_PAINT_TOOL (paint_tool), NULL);
+  g_return_val_if_fail (GIMP_IS_DISPLAY (display), NULL);
+
+  shell = gimp_display_get_shell (display);
+
+  /*  don't draw the boundary if it becomes too small  */
+  if (SCALEX (shell, radius) > 4 &&
+      SCALEY (shell, radius) > 4)
+    {
+      return gimp_canvas_arc_new(shell, x, y, radius, radius, 0.0, 2 * G_PI, FALSE);
+    }
+
+  return NULL;
+}