111 lines
5.0 KiB
C
111 lines
5.0 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_TOOL_H__
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#define __PIKA_TRANSFORM_TOOL_H__
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#include "pikadrawtool.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_TOOL (pika_transform_tool_get_type ())
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#define PIKA_TRANSFORM_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TRANSFORM_TOOL, PikaTransformTool))
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#define PIKA_TRANSFORM_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TRANSFORM_TOOL, PikaTransformToolClass))
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#define PIKA_IS_TRANSFORM_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TRANSFORM_TOOL))
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#define PIKA_IS_TRANSFORM_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TRANSFORM_TOOL))
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#define PIKA_TRANSFORM_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TRANSFORM_TOOL, PikaTransformToolClass))
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#define PIKA_TRANSFORM_TOOL_GET_OPTIONS(t) (PIKA_TRANSFORM_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
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typedef struct _PikaTransformToolClass PikaTransformToolClass;
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struct _PikaTransformTool
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{
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PikaDrawTool parent_instance;
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GList *objects; /* List of PikaObject initially
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selected and set for
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transform processing. */
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gint x1, y1; /* upper left hand coordinate */
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gint x2, y2; /* lower right hand coords */
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PikaMatrix3 transform; /* transformation matrix */
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gboolean transform_valid; /* whether the matrix is valid */
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gboolean restore_type;
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PikaTransformType saved_type;
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};
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struct _PikaTransformToolClass
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{
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PikaDrawToolClass parent_class;
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/* virtual functions */
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void (* recalc_matrix) (PikaTransformTool *tr_tool);
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gchar * (* get_undo_desc) (PikaTransformTool *tr_tool);
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PikaTransformDirection (* get_direction) (PikaTransformTool *tr_tool);
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GeglBuffer * (* transform) (PikaTransformTool *tr_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 *undo_desc;
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const gchar *progress_text;
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};
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GType pika_transform_tool_get_type (void) G_GNUC_CONST;
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GList * pika_transform_tool_get_selected_objects (PikaTransformTool *tr_tool,
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PikaDisplay *display);
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GList * pika_transform_tool_check_selected_objects (PikaTransformTool *tr_tool,
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PikaDisplay *display,
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GError **error);
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gboolean pika_transform_tool_bounds (PikaTransformTool *tr_tool,
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PikaDisplay *display);
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void pika_transform_tool_recalc_matrix (PikaTransformTool *tr_tool,
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PikaDisplay *display);
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gboolean pika_transform_tool_transform (PikaTransformTool *tr_tool,
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PikaDisplay *display);
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void pika_transform_tool_set_type (PikaTransformTool *tr_tool,
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PikaTransformType type);
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#endif /* __PIKA_TRANSFORM_TOOL_H__ */
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