Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 460 insertions, 0 deletions

diff --git a/app/tools/gimpfliptool.c b/app/tools/gimpfliptool.c
new file mode 100644
index 0000000..8714b61
--- /dev/null
+++ b/app/tools/gimpfliptool.c
@@ -0,0 +1,460 @@
+/* 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "config/gimpdisplayconfig.h"
+
+#include "core/gimpdrawable-transform.h"
+#include "core/gimpguide.h"
+#include "core/gimpimage.h"
+#include "core/gimpimage-flip.h"
+#include "core/gimpimage-pick-item.h"
+#include "core/gimpitem-linked.h"
+#include "core/gimplayer.h"
+#include "core/gimplayermask.h"
+#include "core/gimppickable.h"
+#include "core/gimpprogress.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "display/gimpcanvasitem.h"
+#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
+#include "display/gimpdisplayshell-appearance.h"
+
+#include "gimpflipoptions.h"
+#include "gimpfliptool.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+/*  local function prototypes  */
+
+static void         gimp_flip_tool_button_press  (GimpTool             *tool,
+                                                  const GimpCoords     *coords,
+                                                  guint32               time,
+                                                  GdkModifierType       state,
+                                                  GimpButtonPressType   press_type,
+                                                  GimpDisplay          *display);
+static void         gimp_flip_tool_modifier_key  (GimpTool             *tool,
+                                                  GdkModifierType       key,
+                                                  gboolean              press,
+                                                  GdkModifierType       state,
+                                                  GimpDisplay          *display);
+static void         gimp_flip_tool_oper_update   (GimpTool             *tool,
+                                                  const GimpCoords     *coords,
+                                                  GdkModifierType       state,
+                                                  gboolean              proximity,
+                                                  GimpDisplay          *display);
+static void         gimp_flip_tool_cursor_update (GimpTool             *tool,
+                                                  const GimpCoords     *coords,
+                                                  GdkModifierType       state,
+                                                  GimpDisplay          *display);
+
+static void         gimp_flip_tool_draw          (GimpDrawTool         *draw_tool);
+
+static gchar      * gimp_flip_tool_get_undo_desc (GimpTransformTool    *tr_tool);
+static GeglBuffer * gimp_flip_tool_transform     (GimpTransformTool    *tr_tool,
+                                                  GimpObject           *object,
+                                                  GeglBuffer           *orig_buffer,
+                                                  gint                  orig_offset_x,
+                                                  gint                  orig_offset_y,
+                                                  GimpColorProfile    **buffer_profile,
+                                                  gint                 *new_offset_x,
+                                                  gint                 *new_offset_y);
+
+static GimpOrientationType   gimp_flip_tool_get_flip_type  (GimpFlipTool      *flip);
+
+
+G_DEFINE_TYPE (GimpFlipTool, gimp_flip_tool, GIMP_TYPE_TRANSFORM_TOOL)
+
+#define parent_class gimp_flip_tool_parent_class
+
+
+void
+gimp_flip_tool_register (GimpToolRegisterCallback  callback,
+                         gpointer                  data)
+{
+  (* callback) (GIMP_TYPE_FLIP_TOOL,
+                GIMP_TYPE_FLIP_OPTIONS,
+                gimp_flip_options_gui,
+                GIMP_CONTEXT_PROP_MASK_BACKGROUND,
+                "gimp-flip-tool",
+                _("Flip"),
+                _("Flip Tool: "
+                  "Reverse the layer, selection or path horizontally or vertically"),
+                N_("_Flip"), "<shift>F",
+                NULL, GIMP_HELP_TOOL_FLIP,
+                GIMP_ICON_TOOL_FLIP,
+                data);
+}
+
+static void
+gimp_flip_tool_class_init (GimpFlipToolClass *klass)
+{
+  GimpToolClass          *tool_class      = GIMP_TOOL_CLASS (klass);
+  GimpDrawToolClass      *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
+  GimpTransformToolClass *tr_class        = GIMP_TRANSFORM_TOOL_CLASS (klass);
+
+  tool_class->button_press  = gimp_flip_tool_button_press;
+  tool_class->modifier_key  = gimp_flip_tool_modifier_key;
+  tool_class->oper_update   = gimp_flip_tool_oper_update;
+  tool_class->cursor_update = gimp_flip_tool_cursor_update;
+
+  draw_tool_class->draw     = gimp_flip_tool_draw;
+
+  tr_class->get_undo_desc   = gimp_flip_tool_get_undo_desc;
+  tr_class->transform       = gimp_flip_tool_transform;
+
+  tr_class->undo_desc       = C_("undo-type", "Flip");
+  tr_class->progress_text   = _("Flipping");
+}
+
+static void
+gimp_flip_tool_init (GimpFlipTool *flip_tool)
+{
+  GimpTool *tool = GIMP_TOOL (flip_tool);
+
+  gimp_tool_control_set_snap_to            (tool->control, FALSE);
+  gimp_tool_control_set_precision          (tool->control,
+                                            GIMP_CURSOR_PRECISION_PIXEL_CENTER);
+  gimp_tool_control_set_cursor             (tool->control, GIMP_CURSOR_MOUSE);
+  gimp_tool_control_set_toggle_cursor      (tool->control, GIMP_CURSOR_MOUSE);
+  gimp_tool_control_set_tool_cursor        (tool->control,
+                                            GIMP_TOOL_CURSOR_FLIP_HORIZONTAL);
+  gimp_tool_control_set_toggle_tool_cursor (tool->control,
+                                            GIMP_TOOL_CURSOR_FLIP_VERTICAL);
+
+  flip_tool->guide = NULL;
+}
+
+static void
+gimp_flip_tool_button_press (GimpTool            *tool,
+                             const GimpCoords    *coords,
+                             guint32              time,
+                             GdkModifierType      state,
+                             GimpButtonPressType  press_type,
+                             GimpDisplay         *display)
+{
+  GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (tool);
+
+  tool->display = display;
+
+  gimp_transform_tool_transform (tr_tool, display);
+
+  gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
+}
+
+static void
+gimp_flip_tool_modifier_key (GimpTool        *tool,
+                             GdkModifierType  key,
+                             gboolean         press,
+                             GdkModifierType  state,
+                             GimpDisplay     *display)
+{
+  GimpFlipOptions *options = GIMP_FLIP_TOOL_GET_OPTIONS (tool);
+
+  if (key == gimp_get_toggle_behavior_mask ())
+    {
+      switch (options->flip_type)
+        {
+        case GIMP_ORIENTATION_HORIZONTAL:
+          g_object_set (options,
+                        "flip-type", GIMP_ORIENTATION_VERTICAL,
+                        NULL);
+          break;
+
+        case GIMP_ORIENTATION_VERTICAL:
+          g_object_set (options,
+                        "flip-type", GIMP_ORIENTATION_HORIZONTAL,
+                        NULL);
+          break;
+
+        default:
+          break;
+        }
+    }
+}
+
+static void
+gimp_flip_tool_oper_update (GimpTool         *tool,
+                            const GimpCoords *coords,
+                            GdkModifierType   state,
+                            gboolean          proximity,
+                            GimpDisplay      *display)
+{
+  GimpFlipTool     *flip      = GIMP_FLIP_TOOL (tool);
+  GimpDrawTool     *draw_tool = GIMP_DRAW_TOOL (tool);
+  GimpFlipOptions  *options   = GIMP_FLIP_TOOL_GET_OPTIONS (tool);
+  GimpDisplayShell *shell     = gimp_display_get_shell (display);
+  GimpImage        *image     = gimp_display_get_image (display);
+  GimpGuide        *guide     = NULL;
+
+  if (gimp_display_shell_get_show_guides (shell) &&
+      proximity)
+    {
+      gint snap_distance = display->config->snap_distance;
+
+      guide = gimp_image_pick_guide (image, coords->x, coords->y,
+                                     FUNSCALEX (shell, snap_distance),
+                                     FUNSCALEY (shell, snap_distance));
+    }
+
+  if (flip->guide != guide ||
+      (guide && ! gimp_draw_tool_is_active (draw_tool)))
+    {
+      gimp_draw_tool_pause (draw_tool);
+
+      if (gimp_draw_tool_is_active (draw_tool) &&
+          draw_tool->display != display)
+        gimp_draw_tool_stop (draw_tool);
+
+      flip->guide = guide;
+
+      if (! gimp_draw_tool_is_active (draw_tool))
+        gimp_draw_tool_start (draw_tool, display);
+
+      gimp_draw_tool_resume (draw_tool);
+    }
+
+  gtk_widget_set_sensitive (options->direction_frame, guide == NULL);
+
+  GIMP_TOOL_CLASS (parent_class)->oper_update (tool,
+                                               coords, state, proximity,
+                                               display);
+}
+
+static void
+gimp_flip_tool_cursor_update (GimpTool         *tool,
+                              const GimpCoords *coords,
+                              GdkModifierType   state,
+                              GimpDisplay      *display)
+{
+  GimpTransformTool *tr_tool = GIMP_TRANSFORM_TOOL (tool);
+  GimpFlipTool      *flip    = GIMP_FLIP_TOOL (tool);
+
+  if (! gimp_transform_tool_check_active_object (tr_tool, display, NULL))
+    {
+      gimp_tool_set_cursor (tool, display,
+                            gimp_tool_control_get_cursor (tool->control),
+                            gimp_tool_control_get_tool_cursor (tool->control),
+                            GIMP_CURSOR_MODIFIER_BAD);
+      return;
+    }
+
+  gimp_tool_control_set_toggled (tool->control,
+                                 gimp_flip_tool_get_flip_type (flip) ==
+                                 GIMP_ORIENTATION_VERTICAL);
+
+  GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
+}
+
+static void
+gimp_flip_tool_draw (GimpDrawTool *draw_tool)
+{
+  GimpFlipTool *flip = GIMP_FLIP_TOOL (draw_tool);
+
+  if (flip->guide)
+    {
+      GimpCanvasItem *item;
+      GimpGuideStyle  style;
+
+      style = gimp_guide_get_style (flip->guide);
+
+      item = gimp_draw_tool_add_guide (draw_tool,
+                                       gimp_guide_get_orientation (flip->guide),
+                                       gimp_guide_get_position (flip->guide),
+                                       style);
+      gimp_canvas_item_set_highlight (item, TRUE);
+    }
+}
+
+static gchar *
+gimp_flip_tool_get_undo_desc (GimpTransformTool *tr_tool)
+{
+  GimpFlipTool *flip = GIMP_FLIP_TOOL (tr_tool);
+
+  switch (gimp_flip_tool_get_flip_type (flip))
+    {
+    case GIMP_ORIENTATION_HORIZONTAL:
+      return g_strdup (C_("undo-type", "Flip horizontally"));
+
+    case GIMP_ORIENTATION_VERTICAL:
+      return g_strdup (C_("undo-type", "Flip vertically"));
+
+    default:
+      /* probably this is not actually reached today, but
+       * could be if someone defined FLIP_DIAGONAL, say...
+       */
+      return GIMP_TRANSFORM_TOOL_CLASS (parent_class)->get_undo_desc (tr_tool);
+    }
+}
+
+static GeglBuffer *
+gimp_flip_tool_transform (GimpTransformTool *tr_tool,
+                          GimpObject        *object,
+                          GeglBuffer        *orig_buffer,
+                          gint               orig_offset_x,
+                          gint               orig_offset_y,
+                          GimpColorProfile **buffer_profile,
+                          gint              *new_offset_x,
+                          gint              *new_offset_y)
+{
+  GimpFlipTool         *flip        = GIMP_FLIP_TOOL (tr_tool);
+  GimpFlipOptions      *options     = GIMP_FLIP_TOOL_GET_OPTIONS (tr_tool);
+  GimpTransformOptions *tr_options  = GIMP_TRANSFORM_TOOL_GET_OPTIONS (tr_tool);
+  GimpContext          *context     = GIMP_CONTEXT (options);
+  GimpOrientationType   flip_type   = GIMP_ORIENTATION_UNKNOWN;
+  gdouble               axis        = 0.0;
+  gboolean              clip_result = FALSE;
+  GeglBuffer           *ret         = NULL;
+
+  flip_type = gimp_flip_tool_get_flip_type (flip);
+
+  if (flip->guide)
+    {
+      axis = gimp_guide_get_position (flip->guide);
+    }
+  else
+    {
+      switch (flip_type)
+        {
+        case GIMP_ORIENTATION_HORIZONTAL:
+          axis = ((gdouble) tr_tool->x1 +
+                  (gdouble) (tr_tool->x2 - tr_tool->x1) / 2.0);
+          break;
+
+        case GIMP_ORIENTATION_VERTICAL:
+          axis = ((gdouble) tr_tool->y1 +
+                  (gdouble) (tr_tool->y2 - tr_tool->y1) / 2.0);
+          break;
+
+        default:
+          break;
+        }
+    }
+
+  switch (tr_options->clip)
+    {
+    case GIMP_TRANSFORM_RESIZE_ADJUST:
+      clip_result = FALSE;
+      break;
+
+    case GIMP_TRANSFORM_RESIZE_CLIP:
+      clip_result = TRUE;
+      break;
+
+    default:
+      g_return_val_if_reached (NULL);
+    }
+
+  if (orig_buffer)
+    {
+      /*  this happens when transforming a selection cut out of a
+       *  normal drawable
+       */
+
+      g_return_val_if_fail (GIMP_IS_DRAWABLE (object), NULL);
+
+      ret = gimp_drawable_transform_buffer_flip (GIMP_DRAWABLE (object),
+                                                 context,
+                                                 orig_buffer,
+                                                 orig_offset_x,
+                                                 orig_offset_y,
+                                                 flip_type, axis,
+                                                 clip_result,
+                                                 buffer_profile,
+                                                 new_offset_x,
+                                                 new_offset_y);
+    }
+  else if (GIMP_IS_ITEM (object))
+    {
+      /*  this happens for entire drawables, paths and layer groups  */
+
+      GimpItem *item = GIMP_ITEM (object);
+
+      if (gimp_item_get_linked (item))
+        {
+          gimp_item_linked_flip (item, context,
+                                 flip_type, axis, clip_result);
+        }
+      else
+        {
+          clip_result = gimp_item_get_clip (item, clip_result);
+
+          gimp_item_flip (item, context,
+                          flip_type, axis, clip_result);
+        }
+    }
+  else
+    {
+      /*  this happens for images  */
+      GimpTransformToolClass *tr_class = GIMP_TRANSFORM_TOOL_GET_CLASS (tr_tool);
+      GimpProgress           *progress;
+
+      g_return_val_if_fail (GIMP_IS_IMAGE (object), NULL);
+
+      progress = gimp_progress_start (GIMP_PROGRESS (tr_tool), FALSE,
+                                      "%s", tr_class->progress_text);
+
+      gimp_image_flip_full (GIMP_IMAGE (object), context,
+                            flip_type, axis, clip_result,
+                            progress);
+
+      if (progress)
+        gimp_progress_end (progress);
+    }
+
+  return ret;
+}
+
+static GimpOrientationType
+gimp_flip_tool_get_flip_type (GimpFlipTool *flip)
+{
+  GimpFlipOptions *options = GIMP_FLIP_TOOL_GET_OPTIONS (flip);
+
+  if (flip->guide)
+    {
+      switch (gimp_guide_get_orientation (flip->guide))
+        {
+        case GIMP_ORIENTATION_HORIZONTAL:
+          return GIMP_ORIENTATION_VERTICAL;
+
+        case GIMP_ORIENTATION_VERTICAL:
+          return GIMP_ORIENTATION_HORIZONTAL;
+
+        default:
+          return gimp_guide_get_orientation (flip->guide);
+        }
+    }
+  else
+    {
+      return options->flip_type;
+    }
+}