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Diffstat (limited to 'app/tools/gimptransformgridtoolundo.c')
| -rw-r--r-- | app/tools/gimptransformgridtoolundo.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/app/tools/gimptransformgridtoolundo.c b/app/tools/gimptransformgridtoolundo.c new file mode 100644 index 0000000..035d9e5 --- /dev/null +++ b/app/tools/gimptransformgridtoolundo.c @@ -0,0 +1,220 @@ +/* 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 "tools-types.h" + +#include "gimptoolcontrol.h" +#include "gimptransformgridtool.h" +#include "gimptransformgridtoolundo.h" + + +enum +{ + PROP_0, + PROP_TRANSFORM_TOOL +}; + + +static void gimp_transform_grid_tool_undo_constructed (GObject *object); +static void gimp_transform_grid_tool_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_transform_grid_tool_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static void gimp_transform_grid_tool_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_transform_grid_tool_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpTransformGridToolUndo, gimp_transform_grid_tool_undo, GIMP_TYPE_UNDO) + +#define parent_class gimp_transform_grid_tool_undo_parent_class + + +static void +gimp_transform_grid_tool_undo_class_init (GimpTransformGridToolUndoClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass); + + object_class->constructed = gimp_transform_grid_tool_undo_constructed; + object_class->set_property = gimp_transform_grid_tool_undo_set_property; + object_class->get_property = gimp_transform_grid_tool_undo_get_property; + + undo_class->pop = gimp_transform_grid_tool_undo_pop; + undo_class->free = gimp_transform_grid_tool_undo_free; + + g_object_class_install_property (object_class, PROP_TRANSFORM_TOOL, + g_param_spec_object ("transform-tool", + NULL, NULL, + GIMP_TYPE_TRANSFORM_GRID_TOOL, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_transform_grid_tool_undo_init (GimpTransformGridToolUndo *undo) +{ +} + +static void +gimp_transform_grid_tool_undo_constructed (GObject *object) +{ + GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object); + GimpTransformGridTool *tg_tool; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_TRANSFORM_GRID_TOOL (tg_tool_undo->tg_tool)); + + tg_tool = tg_tool_undo->tg_tool; + + memcpy (tg_tool_undo->trans_infos[GIMP_TRANSFORM_FORWARD], + tg_tool->init_trans_info, sizeof (TransInfo)); + memcpy (tg_tool_undo->trans_infos[GIMP_TRANSFORM_BACKWARD], + tg_tool->init_trans_info, sizeof (TransInfo)); + +#if 0 + if (tg_tool->original) + tg_tool_undo->original = tile_manager_ref (tg_tool->original); +#endif + + g_object_add_weak_pointer (G_OBJECT (tg_tool_undo->tg_tool), + (gpointer) &tg_tool_undo->tg_tool); +} + +static void +gimp_transform_grid_tool_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object); + + switch (property_id) + { + case PROP_TRANSFORM_TOOL: + tg_tool_undo->tg_tool = g_value_get_object (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_transform_grid_tool_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (object); + + switch (property_id) + { + case PROP_TRANSFORM_TOOL: + g_value_set_object (value, tg_tool_undo->tg_tool); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_transform_grid_tool_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (undo); + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + if (tg_tool_undo->tg_tool) + { + GimpTransformGridTool *tg_tool; +#if 0 + TileManager *temp; +#endif + TransInfo temp_trans_infos[2]; + + tg_tool = tg_tool_undo->tg_tool; + + /* swap the transformation information00 arrays */ + memcpy (temp_trans_infos, tg_tool_undo->trans_infos, + sizeof (tg_tool->trans_infos)); + memcpy (tg_tool_undo->trans_infos, tg_tool->trans_infos, + sizeof (tg_tool->trans_infos)); + memcpy (tg_tool->trans_infos, temp_trans_infos, + sizeof (tg_tool->trans_infos)); + +#if 0 + /* swap the original buffer--the source buffer for repeated transform_grids + */ + temp = tg_tool_undo->original; + tg_tool_undo->original = tg_tool->original; + tg_tool->original = temp; +#endif + +#if 0 + /* If we're re-implementing the first transform_grid, reactivate tool */ + if (undo_mode == GIMP_UNDO_MODE_REDO && tg_tool->original) + { + gimp_tool_control_activate (GIMP_TOOL (tg_tool)->control); + + gimp_draw_tool_resume (GIMP_DRAW_TOOL (tg_tool)); + } +#endif + } + } + +static void +gimp_transform_grid_tool_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpTransformGridToolUndo *tg_tool_undo = GIMP_TRANSFORM_GRID_TOOL_UNDO (undo); + + if (tg_tool_undo->tg_tool) + { + g_object_remove_weak_pointer (G_OBJECT (tg_tool_undo->tg_tool), + (gpointer) &tg_tool_undo->tg_tool); + tg_tool_undo->tg_tool = NULL; + } + +#if 0 + if (tg_tool_undo->original) + { + tile_manager_unref (tg_tool_undo->original); + tg_tool_undo->original = NULL; + } +#endif + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} |