104 lines
4.7 KiB
C
104 lines
4.7 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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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikatoolline.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_LINE_H__
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#define __PIKA_TOOL_LINE_H__
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#include "pikatoolwidget.h"
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/* in the context of PikaToolLine, "handle" is a collective term for either an
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* endpoint or a slider. a handle value may be either a (nonnegative) slider
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* index, or one of the values below:
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*/
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#define PIKA_TOOL_LINE_HANDLE_NONE (-3)
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#define PIKA_TOOL_LINE_HANDLE_START (-2)
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#define PIKA_TOOL_LINE_HANDLE_END (-1)
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#define PIKA_TOOL_LINE_HANDLE_IS_SLIDER(handle) ((handle) >= 0)
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#define PIKA_TYPE_TOOL_LINE (pika_tool_line_get_type ())
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#define PIKA_TOOL_LINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TOOL_LINE, PikaToolLine))
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#define PIKA_TOOL_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TOOL_LINE, PikaToolLineClass))
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#define PIKA_IS_TOOL_LINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TOOL_LINE))
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#define PIKA_IS_TOOL_LINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TOOL_LINE))
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#define PIKA_TOOL_LINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TOOL_LINE, PikaToolLineClass))
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typedef struct _PikaToolLine PikaToolLine;
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typedef struct _PikaToolLinePrivate PikaToolLinePrivate;
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typedef struct _PikaToolLineClass PikaToolLineClass;
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struct _PikaToolLine
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{
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PikaToolWidget parent_instance;
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PikaToolLinePrivate *private;
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};
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struct _PikaToolLineClass
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{
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PikaToolWidgetClass parent_class;
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/* signals */
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gboolean (* can_add_slider) (PikaToolLine *line,
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gdouble value);
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gint (* add_slider) (PikaToolLine *line,
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gdouble value);
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void (* prepare_to_remove_slider) (PikaToolLine *line,
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gint slider,
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gboolean remove);
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void (* remove_slider) (PikaToolLine *line,
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gint slider);
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void (* selection_changed) (PikaToolLine *line);
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gboolean (* handle_clicked) (PikaToolLine *line,
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gint handle,
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GdkModifierType state,
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PikaButtonPressType press_type);
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};
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GType pika_tool_line_get_type (void) G_GNUC_CONST;
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PikaToolWidget * pika_tool_line_new (PikaDisplayShell *shell,
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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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void pika_tool_line_set_sliders (PikaToolLine *line,
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const PikaControllerSlider *sliders,
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gint n_sliders);
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const PikaControllerSlider * pika_tool_line_get_sliders (PikaToolLine *line,
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gint *n_sliders);
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void pika_tool_line_set_selection (PikaToolLine *line,
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gint handle);
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gint pika_tool_line_get_selection (PikaToolLine *line);
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#endif /* __PIKA_TOOL_LINE_H__ */
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