104 lines
4.7 KiB
C
104 lines
4.7 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 Spencer Kimball and Peter Mattis
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*
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* pikatooltransformgrid.h
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* Copyright (C) 2017 Michael Natterer <mitch@gimp.org>
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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_TOOL_TRANSFORM_GRID_H__
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#define __PIKA_TOOL_TRANSFORM_GRID_H__
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#include "pikacanvashandle.h"
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#include "pikatoolwidget.h"
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#define PIKA_TOOL_TRANSFORM_GRID_MAX_HANDLE_SIZE \
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(1.5 * PIKA_CANVAS_HANDLE_SIZE_LARGE)
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typedef enum
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{
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PIKA_TRANSFORM_HANDLE_NONE,
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PIKA_TRANSFORM_HANDLE_NW_P, /* north west perspective */
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PIKA_TRANSFORM_HANDLE_NE_P, /* north east perspective */
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PIKA_TRANSFORM_HANDLE_SW_P, /* south west perspective */
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PIKA_TRANSFORM_HANDLE_SE_P, /* south east perspective */
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PIKA_TRANSFORM_HANDLE_NW, /* north west */
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PIKA_TRANSFORM_HANDLE_NE, /* north east */
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PIKA_TRANSFORM_HANDLE_SW, /* south west */
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PIKA_TRANSFORM_HANDLE_SE, /* south east */
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PIKA_TRANSFORM_HANDLE_N, /* north */
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PIKA_TRANSFORM_HANDLE_S, /* south */
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PIKA_TRANSFORM_HANDLE_E, /* east */
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PIKA_TRANSFORM_HANDLE_W, /* west */
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PIKA_TRANSFORM_HANDLE_CENTER, /* center for moving */
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PIKA_TRANSFORM_HANDLE_PIVOT, /* pivot for rotation and scaling */
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PIKA_TRANSFORM_HANDLE_N_S, /* north shearing */
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PIKA_TRANSFORM_HANDLE_S_S, /* south shearing */
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PIKA_TRANSFORM_HANDLE_E_S, /* east shearing */
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PIKA_TRANSFORM_HANDLE_W_S, /* west shearing */
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PIKA_TRANSFORM_HANDLE_ROTATION, /* rotation */
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PIKA_N_TRANSFORM_HANDLES /* keep this last so *handles[] is the right size */
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} PikaTransformHandle;
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#define PIKA_TYPE_TOOL_TRANSFORM_GRID (pika_tool_transform_grid_get_type ())
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#define PIKA_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TOOL_TRANSFORM_GRID, PikaToolTransformGrid))
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#define PIKA_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TOOL_TRANSFORM_GRID, PikaToolTransformGridClass))
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#define PIKA_IS_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TOOL_TRANSFORM_GRID))
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#define PIKA_IS_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TOOL_TRANSFORM_GRID))
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#define PIKA_TOOL_TRANSFORM_GRID_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TOOL_TRANSFORM_GRID, PikaToolTransformGridClass))
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typedef struct _PikaToolTransformGrid PikaToolTransformGrid;
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typedef struct _PikaToolTransformGridPrivate PikaToolTransformGridPrivate;
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typedef struct _PikaToolTransformGridClass PikaToolTransformGridClass;
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struct _PikaToolTransformGrid
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{
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PikaToolWidget parent_instance;
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PikaToolTransformGridPrivate *private;
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};
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struct _PikaToolTransformGridClass
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{
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PikaToolWidgetClass parent_class;
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};
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GType pika_tool_transform_grid_get_type (void) G_GNUC_CONST;
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PikaToolWidget * pika_tool_transform_grid_new (PikaDisplayShell *shell,
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const PikaMatrix3 *transform,
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gdouble x1,
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gdouble y1,
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gdouble x2,
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gdouble y2);
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/* protected functions */
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PikaTransformHandle pika_tool_transform_grid_get_handle (PikaToolTransformGrid *grid);
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#endif /* __PIKA_TOOL_TRANSFORM_GRID_H__ */
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