108 lines
5.0 KiB
C
108 lines
5.0 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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* PIKA PSD Plug-in
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* Copyright 2007 by John Marshall
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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 __PSD_UTIL_H__
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#define __PSD_UTIL_H__
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#define PSD_TELL(f) g_seekable_tell (G_SEEKABLE (input))
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/*
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* Set file read error
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*/
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void psd_set_error (GError **error);
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gint psd_read (GInputStream *input,
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gconstpointer data,
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gint count,
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GError **error);
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gboolean psd_read_len (GInputStream *input,
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gsize *data,
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gint psd_version,
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GError **error);
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gboolean psd_seek (GInputStream *input,
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goffset offset,
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GSeekType type,
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GError **error);
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/*
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* Reads a pascal string from the file padded to a multiple of mod_len
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* and returns a utf-8 string.
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*/
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gchar * fread_pascal_string (gint32 *bytes_read,
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gint32 *bytes_written,
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guint16 mod_len,
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GInputStream *input,
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GError **error);
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/*
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* Converts utf-8 string to current locale and writes as pascal
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* string with padding to a multiple of mod_len.
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*/
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gint32 fwrite_pascal_string (const gchar *src,
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guint16 mod_len,
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GOutputStream *output,
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GError **error);
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/*
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* Reads a utf-16 string from the file padded to a multiple of mod_len
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* and returns a utf-8 string.
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*/
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gchar * fread_unicode_string (gint32 *bytes_read,
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gint32 *bytes_written,
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guint16 mod_len,
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gboolean ibm_pc_format,
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GInputStream *input,
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GError **error);
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/*
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* Converts utf-8 string to utf-16 and writes 4 byte length
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* then string padding to multiple of mod_len.
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*/
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gint32 fwrite_unicode_string (const gchar *src,
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guint16 mod_len,
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GOutputStream *output,
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GError **error);
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gint decode_packbits (const gchar *src,
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gchar *dst,
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guint16 packed_len,
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guint32 unpacked_len);
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gchar * encode_packbits (const gchar *src,
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guint32 unpacked_len,
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guint16 *packed_len);
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void psd_to_pika_blend_mode (PSDlayer *psd_layer,
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LayerModeInfo *mode_info);
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const gchar * pika_to_psd_blend_mode (const LayerModeInfo *mode_info);
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PikaColorTag psd_to_pika_layer_color_tag (guint16 layer_color_tag);
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guint16 pika_to_psd_layer_color_tag (PikaColorTag layer_color_tag);
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#endif /* __PSD_UTIL_H__ */
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