mirror of https://github.com/GNOME/gimp.git
571 lines
26 KiB
C
571 lines
26 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* GIMP 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PSD_H__
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#define __PSD_H__
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/* Temporary disable of save functionality */
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#ifdef PSD_SAVE
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#undef PSD_SAVE
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#else
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/* #define PSD_SAVE */
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#endif
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/* Set to the level of debugging output you want, 0 for none.
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* Setting higher than 2 will result in a very large amount of debug
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* output being produced. */
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#define PSD_DEBUG 0
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#define IFDBG(level) if (PSD_DEBUG >= level)
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/* Set to FALSE to supress pop-up warnings about lossy file conversions */
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#define CONVERSION_WARNINGS FALSE
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#define LOAD_PROC "file-psd-load"
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#define LOAD_THUMB_PROC "file-psd-load-thumb"
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#define SAVE_PROC "file-psd-save"
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#define PLUG_IN_BINARY "psd"
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#define DECODE_XMP_PROC "plug-in-metadata-decode-xmp"
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#define GIMP_PARASITE_COMMENT "gimp-comment"
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#define GIMP_PARASITE_ICC_PROFILE "icc-profile"
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#define GIMP_PARASITE_EXIF "exif-data"
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#define GIMP_PARASITE_IPTC "iptc-data"
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#define METADATA_PARASITE "gimp-metadata"
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#define METADATA_MARKER "GIMP_XMP_1"
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#define PSD_PARASITE_DUOTONE_DATA "psd-duotone-data"
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/* Copied from app/base/gimpimage-quick-mask.h - internal identifier for quick mask channel */
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#define GIMP_IMAGE_QUICK_MASK_NAME "Qmask"
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#define MAX_RAW_SIZE 0 /* FIXME all images are raw if 0 */
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/* PSD spec defines */
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#define MAX_CHANNELS 56 /* Photoshop CS to CS3 support 56 channels */
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/* PSD spec constants */
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/* Layer resource IDs */
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/* Adjustment layer IDs */
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#define PSD_LADJ_LEVEL "levl" /* Adjustment layer - levels (PS4) */
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#define PSD_LADJ_CURVE "curv" /* Adjustment layer - curves (PS4) */
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#define PSD_LADJ_BRIGHTNESS "brit" /* Adjustment layer - brightness/contrast (PS4) */
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#define PSD_LADJ_BALANCE "blnc" /* Adjustment layer - color balance (PS4) */
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#define PSD_LADJ_BLACK_WHITE "blwh" /* Adjustment layer - black & white (PS10) */
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#define PSD_LADJ_HUE "hue " /* Adjustment layer - old hue/saturation (PS4) */
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#define PSD_LADJ_HUE2 "hue2" /* Adjustment layer - hue/saturation (PS5) */
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#define PSD_LADJ_SELECTIVE "selc" /* Adjustment layer - selective color (PS4) */
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#define PSD_LADJ_MIXER "mixr" /* Adjustment layer - channel mixer (PS9) */
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#define PSD_LADJ_GRAD_MAP "grdm" /* Adjustment layer - gradient map (PS9) */
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#define PSD_LADJ_PHOTO_FILT "phfl" /* Adjustment layer - photo filter (PS9) */
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#define PSD_LADJ_EXPOSURE "expA" /* Adjustment layer - exposure (PS10) */
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#define PSD_LADJ_INVERT "nvrt" /* Adjustment layer - invert (PS4) */
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#define PSD_LADJ_THRESHOLD "thrs" /* Adjustment layer - threshold (PS4) */
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#define PSD_LADJ_POSTERIZE "post" /* Adjustment layer - posterize (PS4) */
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/* Fill Layer IDs */
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#define PSD_LFIL_SOLID "SoCo" /* Solid color sheet setting (PS6) */
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#define PSD_LFIL_PATTERN "PtFl" /* Pattern fill setting (PS6) */
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#define PSD_LFIL_GRADIENT "GdFl" /* Gradient fill setting (PS6) */
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/* Effects Layer IDs */
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#define PSD_LFX_FX "lrFX" /* Effects layer info (PS5) */
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#define PSD_LFX_FX2 "lfx2" /* Object based effects layer info (PS6) */
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/* Type Tool Layers */
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#define PSD_LTYP_TYPE "tySh" /* Type tool layer (PS5) */
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#define PSD_LTYP_TYPE2 "TySh" /* Type tool object setting (PS6) */
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/* Layer Properties */
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#define PSD_LPRP_UNICODE "luni" /* Unicode layer name (PS5) */
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#define PSD_LPRP_SOURCE "lnsr" /* Layer name source setting (PS6) */
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#define PSD_LPRP_ID "lyid" /* Layer ID (PS5) */
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#define PSD_LPRP_BLEND_CLIP "clbl" /* Blend clipping elements (PS6) */
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#define PSD_LPRP_BLEND_INT "infx" /* Blend interior elements (PS6) */
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#define PSD_LPRP_KNOCKOUT "knko" /* Knockout setting (PS6) */
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#define PSD_LPRP_PROTECT "lspf" /* Protected setting (PS6) */
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#define PSD_LPRP_COLOR "lclr" /* Sheet color setting (PS6) */
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#define PSD_LPRP_REF_POINT "fxrp" /* Reference point (PS6) */
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/* Vector mask */
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#define PSD_LMSK_VMASK "vmsk" /* Vector mask setting (PS6) */
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/* Parasites */
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#define PSD_LPAR_ANNOTATE "Anno" /* Annotation (PS6) */
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/* Other */
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#define PSD_LOTH_SECTION "lsct" /* Section divider setting - Layer goups (PS6) */
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#define PSD_LOTH_PATTERN "Patt" /* Patterns (PS6) */
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#define PSD_LOTH_GRADIENT "grdm" /* Gradient settings (PS6) */
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#define PSD_LOTH_RESTRICT "brst" /* Channel blending restirction setting (PS6) */
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#define PSD_LOTH_FOREIGN_FX "ffxi" /* Foreign effect ID (PS6) */
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#define PSD_LOTH_PATT_DATA "shpa" /* Pattern data (PS6) */
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#define PSD_LOTH_META_DATA "shmd" /* Meta data setting (PS6) */
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#define PSD_LOTH_LAYER_DATA "layr" /* Layer data (PS6) */
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/* Effects layer resource IDs */
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#define PSD_LFX_COMMON "cmnS" /* Effects layer - common state (PS5) */
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#define PSD_LFX_DROP_SDW "dsdw" /* Effects layer - drop shadow (PS5) */
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#define PSD_LFX_INNER_SDW "isdw" /* Effects layer - inner shadow (PS5) */
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#define PSD_LFX_OUTER_GLW "oglw" /* Effects layer - outer glow (PS5) */
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#define PSD_LFX_INNER_GLW "iglw" /* Effects layer - inner glow (PS5) */
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#define PSD_LFX_BEVEL "bevl" /* Effects layer - bevel (PS5) */
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/* PSD spec enums */
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/* Image colour modes */
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typedef enum {
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PSD_BITMAP = 0, /* Bitmap image */
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PSD_GRAYSCALE = 1, /* Greyscale image */
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PSD_INDEXED = 2, /* Indexed image */
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PSD_RGB = 3, /* RGB image */
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PSD_CMYK = 4, /* CMYK */
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PSD_MULTICHANNEL = 7, /* Multichannel image*/
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PSD_DUOTONE = 8, /* Duotone image*/
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PSD_LAB = 9 /* L*a*b image */
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} PSDColorMode;
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/* Image colour spaces */
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typedef enum {
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PSD_CS_RGB = 0, /* RGB */
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PSD_CS_HSB = 1, /* Hue, Saturation, Brightness */
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PSD_CS_CMYK = 2, /* CMYK */
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PSD_CS_PANTONE = 3, /* Pantone matching system (Lab)*/
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PSD_CS_FOCOLTONE = 4, /* Focoltone colour system (CMYK)*/
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PSD_CS_TRUMATCH = 5, /* Trumatch color (CMYK)*/
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PSD_CS_TOYO = 6, /* Toyo 88 colorfinder 1050 (Lab)*/
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PSD_CS_LAB = 7, /* L*a*b*/
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PSD_CS_GRAYSCALE = 8, /* Grey scale */
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PSD_CS_HKS = 10, /* HKS colors (CMYK)*/
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PSD_CS_DIC = 11, /* DIC color guide (Lab)*/
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PSD_CS_ANPA = 3000, /* Anpa color (Lab)*/
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} PSDColorSpace;
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/* Image Resource IDs */
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typedef enum {
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PSD_PS2_IMAGE_INFO = 1000, /* 0x03e8 - Obsolete - ps 2.0 image info */
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PSD_MAC_PRINT_INFO = 1001, /* 0x03e9 - Optional - Mac print manager print info record */
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PSD_PS2_COLOR_TAB = 1003, /* 0x03eb - Obsolete - ps 2.0 indexed colour table */
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PSD_RESN_INFO = 1005, /* 0x03ed - ResolutionInfo structure */
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PSD_ALPHA_NAMES = 1006, /* 0x03ee - Alpha channel names */
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PSD_DISPLAY_INFO = 1007, /* 0x03ef - DisplayInfo structure */
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PSD_CAPTION = 1008, /* 0x03f0 - Optional - Caption string */
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PSD_BORDER_INFO = 1009, /* 0x03f1 - Border info */
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PSD_BACKGROUND_COL = 1010, /* 0x03f2 - Background colour */
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PSD_PRINT_FLAGS = 1011, /* 0x03f3 - Print flags */
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PSD_GREY_HALFTONE = 1012, /* 0x03f4 - Greyscale and multichannel halftoning info */
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PSD_COLOR_HALFTONE = 1013, /* 0x03f5 - Colour halftoning info */
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PSD_DUOTONE_HALFTONE = 1014, /* 0x03f6 - Duotone halftoning info */
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PSD_GREY_XFER = 1015, /* 0x03f7 - Greyscale and multichannel transfer functions */
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PSD_COLOR_XFER = 1016, /* 0x03f8 - Colour transfer functions */
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PSD_DUOTONE_XFER = 1017, /* 0x03f9 - Duotone transfer functions */
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PSD_DUOTONE_INFO = 1018, /* 0x03fa - Duotone image information */
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PSD_EFFECTIVE_BW = 1019, /* 0x03fb - Effective black & white values for dot range */
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PSD_OBSOLETE_01 = 1020, /* 0x03fc - Obsolete */
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PSD_EPS_OPT = 1021, /* 0x03fd - EPS options */
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PSD_QUICK_MASK = 1022, /* 0x03fe - Quick mask info */
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PSD_OBSOLETE_02 = 1023, /* 0x03ff - Obsolete */
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PSD_LAYER_STATE = 1024, /* 0x0400 - Layer state info */
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PSD_WORKING_PATH = 1025, /* 0x0401 - Working path (not saved) */
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PSD_LAYER_GROUP = 1026, /* 0x0402 - Layers group info */
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PSD_OBSOLETE_03 = 1027, /* 0x0403 - Obsolete */
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PSD_IPTC_NAA_DATA = 1028, /* 0x0404 - IPTC-NAA record (IMV4.pdf) */
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PSD_IMAGE_MODE_RAW = 1029, /* 0x0405 - Image mode for raw format files */
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PSD_JPEG_QUAL = 1030, /* 0x0406 - JPEG quality */
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PSD_GRID_GUIDE = 1032, /* 0x0408 - Grid & guide info */
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PSD_THUMB_RES = 1033, /* 0x0409 - Thumbnail resource */
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PSD_COPYRIGHT_FLG = 1034, /* 0x040a - Copyright flag */
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PSD_URL = 1035, /* 0x040b - URL string */
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PSD_THUMB_RES2 = 1036, /* 0x040c - Thumbnail resource */
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PSD_GLOBAL_ANGLE = 1037, /* 0x040d - Global angle */
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PSD_COLOR_SAMPLER = 1038, /* 0x040e - Colour samplers resource */
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PSD_ICC_PROFILE = 1039, /* 0x040f - ICC Profile */
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PSD_WATERMARK = 1040, /* 0x0410 - Watermark */
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PSD_ICC_UNTAGGED = 1041, /* 0x0411 - Do not use ICC profile flag */
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PSD_EFFECTS_VISIBLE = 1042, /* 0x0412 - Show / hide all effects layers */
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PSD_SPOT_HALFTONE = 1043, /* 0x0413 - Spot halftone */
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PSD_DOC_IDS = 1044, /* 0x0414 - Document specific IDs */
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PSD_ALPHA_NAMES_UNI = 1045, /* 0x0415 - Unicode alpha names */
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PSD_IDX_COL_TAB_CNT = 1046, /* 0x0416 - Indexed colour table count */
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PSD_IDX_TRANSPARENT = 1047, /* 0x0417 - Index of transparent colour (if any) */
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PSD_GLOBAL_ALT = 1049, /* 0x0419 - Global altitude */
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PSD_SLICES = 1050, /* 0x041a - Slices */
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PSD_WORKFLOW_URL_UNI = 1051, /* 0x041b - Workflow URL - Unicode string */
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PSD_JUMP_TO_XPEP = 1052, /* 0x041c - Jump to XPEP (?) */
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PSD_ALPHA_ID = 1053, /* 0x041d - Alpha IDs */
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PSD_URL_LIST_UNI = 1054, /* 0x041e - URL list - unicode */
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PSD_VERSION_INFO = 1057, /* 0x0421 - Version info */
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PSD_EXIF_DATA = 1058, /* 0x0422 - Exif data block */
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PSD_XMP_DATA = 1060, /* 0x0424 - XMP data block */
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PSD_PATH_INFO_FIRST = 2000, /* 0x07d0 - First path info block */
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PSD_PATH_INFO_LAST = 2998, /* 0x0bb6 - Last path info block */
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PSD_CLIPPING_PATH = 2999, /* 0x0bb7 - Name of clipping path */
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PSD_PRINT_FLAGS_2 = 10000 /* 0x2710 - Print flags */
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} PSDImageResID;
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/* Display resolution units */
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typedef enum {
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PSD_RES_INCH = 1, /* Pixels / inch */
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PSD_RES_CM = 2, /* Pixels / cm */
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} PSDDisplayResUnit;
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/* Width and height units */
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typedef enum {
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PSD_UNIT_INCH = 1, /* inches */
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PSD_UNIT_CM = 2, /* cm */
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PSD_UNIT_POINT = 3, /* points (72 points = 1 inch) */
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PSD_UNIT_PICA = 4, /* pica ( 6 pica = 1 inch) */
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PSD_UNIT_COLUMN = 5, /* columns ( column defined in ps prefs, default = 2.5 inches) */
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} PSDUnit;
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/* Thumbnail image data encoding */
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typedef enum {
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kRawRGB = 0, /* RAW data format (never used?) */
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kJpegRGB = 1 /* JPEG compression */
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} PSDThumbFormat;
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/* Path record types */
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typedef enum {
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PSD_PATH_CL_LEN = 0, /* Closed sub-path length record */
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PSD_PATH_CL_LNK = 1, /* Closed sub-path Bezier knot, linked */
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PSD_PATH_CL_UNLNK = 2, /* Closed sub-path Bezier knot, unlinked */
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PSD_PATH_OP_LEN = 3, /* Open sub-path length record */
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PSD_PATH_OP_LNK = 4, /* Open sub-path Bezier knot, linked */
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PSD_PATH_OP_UNLNK = 5, /* Open sub-path Bezier knot, unlinked */
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PSD_PATH_FILL_RULE = 6, /* Path fill rule record */
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PSD_PATH_CLIPBOARD = 7, /* Path clipboard record */
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PSD_PATH_FILL_INIT = 8 /* Path initial fill record */
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} PSDpathtype;
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/* Channel ID */
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typedef enum {
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PSD_CHANNEL_MASK = -2, /* User supplied layer mask */
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PSD_CHANNEL_ALPHA = -1, /* Transparency mask */
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PSD_CHANNEL_RED = 0, /* Red channel data */
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PSD_CHANNEL_GREEN = 1, /* Green channel data */
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PSD_CHANNEL_BLUE = 2 /* Blue channel data */
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} PSDChannelID;
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/* Clipping */
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typedef enum {
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PSD_CLIPPING_BASE = 0, /* Base clipping */
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PSD_CLIPPING_NON_BASE = 1 /* Non-base clipping */
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} PSDClipping;
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/* Image compression mode */
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typedef enum {
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PSD_COMP_RAW = 0, /* Raw data */
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PSD_COMP_RLE, /* RLE compressed */
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PSD_COMP_ZIP, /* ZIP without prediction */
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PSD_COMP_ZIP_PRED /* ZIP with prediction */
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} PSDCompressMode;
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/* Vertical - horizontal selection */
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typedef enum {
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PSD_VERTICAL = 0, /* Vertical */
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PSD_HORIZONTAL = 1 /* Horizontal */
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} VHSelect;
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/* PSD spec data structures */
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/* PSD field types */
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typedef gint32 Fixed; /* Represents a fixed point implied decimal */
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/* Apple colour space data structures */
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/* RGB Color Value
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A color value expressed in the RGB color space is composed of red, green,
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and blue component values. Each color component is expressed as a numeric
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value within the range of 0 to 65535.
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*/
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typedef struct
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{
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guint16 red;
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guint16 green;
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guint16 blue;
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}CMRGBColor;
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/* HSV Color Value
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A color value expressed in the HSV color space is composed of hue,
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saturation, and value component values. Each color component is
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expressed as a numeric value within the range of 0 to 65535 inclusive.
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The hue value represents a fraction of a circle in which red is
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positioned at 0.
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*/
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typedef struct
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{
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guint16 hue;
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guint16 saturation;
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guint16 value;
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}CMHSVColor;
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/* CMYK Color Value
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A color value expressed in the CMYK color space is composed of cyan, magenta,
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yellow, and black component values. Each color component is expressed as a
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numeric value within the range of 0 to 65535 inclusive, with 0 representing
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100% ink (e.g. pure cyan = 0, 65535, 65535, 65535).
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*/
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typedef struct
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{
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guint16 cyan;
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guint16 magenta;
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guint16 yellow;
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guint16 black;
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}CMCMYKColor;
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/* L*a*b* Color Value
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The first three values in the color data are, respectively, the colors
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lightness, a chrominance, and b chrominance components. The lightness
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component is a 16bit value ranging from 0 to 10000. The chrominance
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components are each 16bit values ranging from 12800 to 12700. Gray
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values are represented by chrominance components of 0 (e.g. pure white
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is defined as 10000, 0, 0).
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*/
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typedef struct
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{
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guint16 L;
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gint16 a;
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gint16 b;
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} CMLabColor;
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/* Gray Color Value
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A color value expressed in the Gray color space is composed of a single component,
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gray, represented as a numeric value within the range of 0 to 10000.
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*/
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typedef struct
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{
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guint16 gray;
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} CMGrayColor ;
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/* The color union is defined by the CMColor type definition.
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*/
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typedef union
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{
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CMRGBColor rgb;
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CMHSVColor hsv;
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CMLabColor Lab;
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CMCMYKColor cmyk;
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CMGrayColor gray;
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} CMColor;
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/* Image resolution data */
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typedef struct {
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Fixed hRes; /* Horizontal resolution pixels/inch */
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gint16 hResUnit; /* Horizontal display resolution unit */
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gint16 widthUnit; /* Width unit ?? */
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Fixed vRes; /* Vertical resolution pixels/inch */
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gint16 vResUnit; /* Vertical display resolution unit */
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gint16 heightUnit; /* Height unit ?? */
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} ResolutionInfo;
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/* Grid & guide header */
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typedef struct {
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guint32 fVersion; /* Version - always 1 for PS */
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guint32 fGridCycleV; /* Vertical grid size */
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guint32 fGridCycleH; /* Horizontal grid size */
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guint32 fGuideCount; /* Number of guides */
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} GuideHeader;
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/* Guide resource block */
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typedef struct {
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guint32 fLocation; /* Guide position in Pixels * 100 */
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gchar fDirection; /* Guide orientation */
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} GuideResource;
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/* Thumbnail data */
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typedef struct {
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gint32 format; /* Thumbnail image data format (1 = JPEG) */
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gint32 width; /* Thumbnail width in pixels */
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gint32 height; /* Thumbnail height in pixels */
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gint32 widthbytes; /* Padded row bytes ((width * bitspixel + 31) / 32 * 4) */
|
|
gint32 size; /* Total size (widthbytes * height * planes */
|
|
gint32 compressedsize; /* Size after compression for consistency */
|
|
gint16 bitspixel; /* Bits per pixel (always 24) */
|
|
gint16 planes; /* Number of planes (always 1) */
|
|
} ThumbnailInfo;
|
|
|
|
/* Channel display info data */
|
|
typedef struct {
|
|
gint16 colorSpace; /* Colour space from PSDColorSpace */
|
|
guint16 color[4]; /* 4 * 16 bit color components */
|
|
gint16 opacity; /* Opacity 0 to 100 */
|
|
gchar kind; /* Selected = 0, Protected = 1 */
|
|
gchar padding; /* Padding */
|
|
} DisplayInfo;
|
|
|
|
/* PSD Channel length info data structure */
|
|
typedef struct
|
|
{
|
|
gint16 channel_id; /* Channel ID */
|
|
guint32 data_len; /* Layer left */
|
|
} ChannelLengthInfo;
|
|
|
|
/* PSD Layer flags */
|
|
typedef struct
|
|
{
|
|
gboolean trans_prot; /* Transparency protected */
|
|
gboolean visible; /* Visible */
|
|
gboolean obsolete; /* Obsolete */
|
|
gboolean bit4; /* Bit 4 in use */
|
|
gboolean irrelevant; /* Pixel data irrelevant to image appearance */
|
|
} LayerFlags;
|
|
|
|
/* PSD Layer mask flags */
|
|
typedef struct
|
|
{
|
|
gboolean relative_pos; /* Mask position recorded relative to layer */
|
|
gboolean disabled; /* Mask disabled */
|
|
gboolean invert; /* Invert mask on blending */
|
|
} MaskFlags;
|
|
|
|
/* PSD Layer mask data (length 20) */
|
|
typedef struct
|
|
{
|
|
guint32 top; /* Layer top */
|
|
guint32 left; /* Layer left */
|
|
guint32 bottom; /* Layer bottom */
|
|
guint32 right; /* Layer right */
|
|
guchar def_color; /* Default background colour */
|
|
guchar flags; /* Layer flags */
|
|
guchar extra_def_color; /* Real default background colour */
|
|
guchar extra_flags; /* Real layer flags */
|
|
MaskFlags mask_flags; /* Flags */
|
|
} LayerMask;
|
|
|
|
/* PSD Layer mask data (length 36) */
|
|
typedef struct
|
|
{
|
|
guint32 top; /* Layer top */
|
|
guint32 left; /* Layer left */
|
|
guint32 bottom; /* Layer bottom */
|
|
guint32 right; /* Layer right */
|
|
} LayerMaskExtra;
|
|
|
|
/* PSD Layer data structure */
|
|
typedef struct
|
|
{
|
|
gboolean drop; /* Do not add layer to GIMP image */
|
|
guint32 top; /* Layer top */
|
|
guint32 left; /* Layer left */
|
|
guint32 bottom; /* Layer bottom */
|
|
guint32 right; /* Layer right */
|
|
guint16 num_channels; /* Number of channels */
|
|
ChannelLengthInfo *chn_info; /* Channel length info */
|
|
gchar mode_key[4]; /* Blend mode key */
|
|
gchar blend_mode[4]; /* Blend mode */
|
|
guchar opacity; /* Opacity - 0 = transparent ... 255 = opaque */
|
|
guchar clipping; /* Clipping */
|
|
guchar flags; /* Layer flags */
|
|
guchar filler; /* Filler */
|
|
guint32 extra_len; /* Extra data length */
|
|
gchar *name; /* Layer name */
|
|
guint32 mask_len; /* Layer mask data length */
|
|
LayerMask layer_mask; /* Layer mask data */
|
|
LayerMaskExtra layer_mask_extra; /* Layer mask extra data */
|
|
LayerFlags layer_flags; /* Layer flags */
|
|
guint32 id; /* Layer ID (Tattoo) */
|
|
} PSDlayer;
|
|
|
|
/* PSD Channel data structure */
|
|
typedef struct
|
|
{
|
|
gint16 id; /* Channel ID */
|
|
gchar *name; /* Channel name */
|
|
gchar *data; /* Channel image data */
|
|
guint32 rows; /* Channel rows */
|
|
guint32 columns; /* Channel columns */
|
|
} PSDchannel;
|
|
|
|
/* PSD Channel data structure */
|
|
typedef struct
|
|
{
|
|
GimpRGB gimp_color; /* Gimp RGB color */
|
|
gint16 opacity; /* Opacity */
|
|
guchar ps_kind; /* PS type flag */
|
|
gint16 ps_cspace; /* PS colour space */
|
|
CMColor ps_color; /* PS colour */
|
|
} PSDchanneldata;
|
|
|
|
/* PSD Image Resource data structure */
|
|
typedef struct
|
|
{
|
|
gchar type[4]; /* Image resource type */
|
|
gint16 id; /* Image resource ID */
|
|
gchar name[256]; /* Image resource name (pascal string) */
|
|
gint32 data_start; /* Image resource data start */
|
|
gint32 data_len; /* Image resource data length */
|
|
} PSDimageres;
|
|
|
|
/* PSD Layer Resource data structure */
|
|
typedef struct
|
|
{
|
|
gchar sig[4]; /* Layer resource signature */
|
|
gchar key[4]; /* Layer resource key */
|
|
gint32 data_start; /* Layer resource data start */
|
|
gint32 data_len; /* Layer resource data length */
|
|
} PSDlayerres;
|
|
|
|
/* PSD File data structures */
|
|
typedef struct
|
|
{
|
|
guint16 channels; /* Number of channels: 1- 56 */
|
|
gboolean transparency; /* Image has merged transparency alpha channel */
|
|
guint32 rows; /* Number of rows: 1 - 30000 */
|
|
guint32 columns; /* Number of columns: 1 - 30000 */
|
|
guint16 bps; /* Bits per channel: 1, 8 or 16 */
|
|
guint16 color_mode; /* Image colour mode: {PSDColorMode} */
|
|
GimpImageBaseType base_type; /* Image base colour mode: (GIMP) */
|
|
guint16 comp_mode; /* Merged image compression mode */
|
|
guchar *color_map; /* Colour map data */
|
|
guint32 color_map_len; /* Colour map data length */
|
|
guint32 color_map_entries; /* Colour map number of entries */
|
|
guint32 image_res_start; /* Image resource block start address */
|
|
guint32 image_res_len; /* Image resource block length */
|
|
guint32 mask_layer_start; /* Mask & layer block start address */
|
|
guint32 mask_layer_len; /* Mask & layer block length */
|
|
gint16 num_layers; /* Number of layers */
|
|
guint32 layer_data_start; /* Layer pixel data start */
|
|
guint32 layer_data_len; /* Layer pixel data length */
|
|
guint32 merged_image_start; /* Merged image pixel data block start address */
|
|
guint32 merged_image_len; /* Merged image pixel data block length */
|
|
gboolean no_icc; /* Do not use ICC profile */
|
|
guint16 layer_state; /* Active layer number counting from bottom up */
|
|
GPtrArray *alpha_names; /* Alpha channel names */
|
|
PSDchanneldata **alpha_display_info; /* Alpha channel display info */
|
|
guint16 alpha_display_count; /* Number of alpha channel display info recs */
|
|
guint32 *alpha_id; /* Alpha channel ids (tattoos) */
|
|
guint16 alpha_id_count; /* Number of alpha channel id items */
|
|
guint16 quick_mask_id; /* Channel number containing quick mask */
|
|
} PSDimage;
|
|
|
|
/* Public functions */
|
|
|
|
|
|
#endif /* __PSD_H__ */
|