123 lines
5.8 KiB
C
123 lines
5.8 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_TRANSFORM_GRID_TOOL_H__
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#define __PIKA_TRANSFORM_GRID_TOOL_H__
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#include "pikatransformtool.h"
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/* This is not the number of items in the enum above, but the max size
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* of the enums at the top of each transformation tool, stored in
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* trans_info and related
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*/
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#define TRANS_INFO_SIZE 17
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typedef gdouble TransInfo[TRANS_INFO_SIZE];
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#define PIKA_TYPE_TRANSFORM_GRID_TOOL (pika_transform_grid_tool_get_type ())
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#define PIKA_TRANSFORM_GRID_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TRANSFORM_GRID_TOOL, PikaTransformGridTool))
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#define PIKA_TRANSFORM_GRID_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TRANSFORM_GRID_TOOL, PikaTransformGridToolClass))
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#define PIKA_IS_TRANSFORM_GRID_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TRANSFORM_GRID_TOOL))
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#define PIKA_IS_TRANSFORM_GRID_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TRANSFORM_GRID_TOOL))
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#define PIKA_TRANSFORM_GRID_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TRANSFORM_GRID_TOOL, PikaTransformGridToolClass))
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#define PIKA_TRANSFORM_GRID_TOOL_GET_OPTIONS(t) (PIKA_TRANSFORM_GRID_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
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typedef struct _PikaTransformGridToolClass PikaTransformGridToolClass;
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struct _PikaTransformGridTool
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{
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PikaTransformTool parent_instance;
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TransInfo init_trans_info; /* initial transformation info */
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TransInfo trans_infos[2]; /* forward/backward transformation info */
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gdouble *trans_info; /* current transformation info */
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GList *undo_list; /* list of all states,
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head is current == prev_trans_info,
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tail is original == old_trans_info */
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GList *redo_list; /* list of all undone states,
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NULL when nothing undone */
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GList *hidden_objects; /* the objects that was hidden during
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the transform */
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PikaToolWidget *widget;
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PikaToolWidget *grab_widget;
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GList *previews;
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PikaCanvasItem *boundary_in;
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PikaCanvasItem *boundary_out;
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GPtrArray *strokes;
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GHashTable *filters;
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GList *preview_drawables;
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PikaToolGui *gui;
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};
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struct _PikaTransformGridToolClass
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{
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PikaTransformToolClass parent_class;
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/* virtual functions */
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gboolean (* info_to_matrix) (PikaTransformGridTool *tg_tool,
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PikaMatrix3 *transform);
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void (* matrix_to_info) (PikaTransformGridTool *tg_tool,
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const PikaMatrix3 *transform);
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void (* apply_info) (PikaTransformGridTool *tg_tool,
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const TransInfo info);
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gchar * (* get_undo_desc) (PikaTransformGridTool *tg_tool);
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void (* dialog) (PikaTransformGridTool *tg_tool);
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void (* dialog_update) (PikaTransformGridTool *tg_tool);
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void (* prepare) (PikaTransformGridTool *tg_tool);
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void (* readjust) (PikaTransformGridTool *tg_tool);
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PikaToolWidget * (* get_widget) (PikaTransformGridTool *tg_tool);
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void (* update_widget) (PikaTransformGridTool *tg_tool);
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void (* widget_changed) (PikaTransformGridTool *tg_tool);
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GeglBuffer * (* transform) (PikaTransformGridTool *tg_tool,
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GList *objects,
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GeglBuffer *orig_buffer,
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gint orig_offset_x,
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gint orig_offset_y,
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PikaColorProfile **buffer_profile,
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gint *new_offset_x,
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gint *new_offset_y);
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const gchar *ok_button_label;
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};
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GType pika_transform_grid_tool_get_type (void) G_GNUC_CONST;
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gboolean pika_transform_grid_tool_info_to_matrix (PikaTransformGridTool *tg_tool,
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PikaMatrix3 *transform);
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void pika_transform_grid_tool_matrix_to_info (PikaTransformGridTool *tg_tool,
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const PikaMatrix3 *transform);
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void pika_transform_grid_tool_push_internal_undo (PikaTransformGridTool *tg_tool,
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gboolean compress);
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#endif /* __PIKA_TRANSFORM_GRID_TOOL_H__ */
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