90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
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/* 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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*
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* pikacagetool.h
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* Copyright (C) 2010 Michael Muré <batolettre@gmail.com>
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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_CAGE_TOOL_H__
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#define __PIKA_CAGE_TOOL_H__
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#include "pikadrawtool.h"
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#define PIKA_TYPE_CAGE_TOOL (pika_cage_tool_get_type ())
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#define PIKA_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_CAGE_TOOL, PikaCageTool))
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#define PIKA_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_CAGE_TOOL, PikaCageToolClass))
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#define PIKA_IS_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_CAGE_TOOL))
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#define PIKA_IS_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_CAGE_TOOL))
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#define PIKA_CAGE_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_CAGE_TOOL, PikaCageToolClass))
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#define PIKA_CAGE_TOOL_GET_OPTIONS(t) (PIKA_CAGE_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
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typedef struct _PikaCageTool PikaCageTool;
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typedef struct _PikaCageToolClass PikaCageToolClass;
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struct _PikaCageTool
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{
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PikaDrawTool parent_instance;
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PikaCageConfig *config;
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gint offset_x; /* used to convert the cage point coords */
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gint offset_y; /* to drawable coords */
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gdouble cursor_x; /* Hold the cursor x position */
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gdouble cursor_y; /* Hold the cursor y position */
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gdouble movement_start_x; /* Where the movement started */
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gdouble movement_start_y; /* Where the movement started */
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gdouble selection_start_x; /* Where the selection started */
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gdouble selection_start_y; /* Where the selection started */
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gint hovering_handle; /* Handle which the cursor is above */
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gint hovering_edge; /* Edge which the cursor is above */
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GeglBuffer *coef; /* Gegl buffer where the coefficient of the transformation are stored */
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gboolean dirty_coef; /* Indicate if the coef are still valid */
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GeglNode *render_node; /* Gegl node graph to render the transformation */
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GeglNode *cage_node; /* Gegl node that compute the cage transform */
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GeglNode *coef_node; /* Gegl node that read in the coef buffer */
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gint tool_state; /* Current state in statemachine */
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PikaDrawableFilter *filter; /* For preview */
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};
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struct _PikaCageToolClass
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{
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PikaDrawToolClass parent_class;
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};
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void pika_cage_tool_register (PikaToolRegisterCallback callback,
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gpointer data);
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GType pika_cage_tool_get_type (void) G_GNUC_CONST;
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#endif /* __PIKA_CAGE_TOOL_H__ */
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