64 lines
3.6 KiB
C
64 lines
3.6 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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* 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_DISPLAY_SHELL_SCROLL_H__
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#define __PIKA_DISPLAY_SHELL_SCROLL_H__
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void pika_display_shell_scroll (PikaDisplayShell *shell,
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gint x_offset,
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gint y_offset);
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void pika_display_shell_scroll_set_offset (PikaDisplayShell *shell,
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gint offset_x,
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gint offset_y);
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void pika_display_shell_scroll_clamp_and_update (PikaDisplayShell *shell);
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void pika_display_shell_scroll_unoverscrollify (PikaDisplayShell *shell,
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gint in_offset_x,
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gint in_offset_y,
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gint *out_offset_x,
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gint *out_offset_y);
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void pika_display_shell_scroll_center_image_xy (PikaDisplayShell *shell,
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gdouble image_x,
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gdouble image_y);
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void pika_display_shell_scroll_center_image (PikaDisplayShell *shell,
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gboolean horizontally,
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gboolean vertically);
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void pika_display_shell_scroll_center_content (PikaDisplayShell *shell,
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gboolean horizontally,
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gboolean vertically);
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void pika_display_shell_scroll_get_scaled_viewport (PikaDisplayShell *shell,
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gint *x,
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gint *y,
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gint *w,
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gint *h);
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void pika_display_shell_scroll_get_viewport (PikaDisplayShell *shell,
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gdouble *x,
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gdouble *y,
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gdouble *w,
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gdouble *h);
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#endif /* __PIKA_DISPLAY_SHELL_SCROLL_H__ */
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