725 lines
35 KiB
C
725 lines
35 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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* 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_H__
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#define __PSD_H__
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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 3
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#define IFDBG(level) if (PSD_DEBUG >= level)
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/* Set to FALSE to suppress 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_MERGED_PROC "file-psd-load-merged"
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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 LOAD_METADATA_PROC "file-psd-load-metadata"
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#define PLUG_IN_BINARY "file-psd"
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#define PLUG_IN_ROLE "pika-file-psd"
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#define PIKA_PARASITE_COMMENT "pika-comment"
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#define PSD_PARASITE_DUOTONE_DATA "psd-duotone-data"
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#define PSD_PARASITE_CLIPPING_PATH "psd-clipping-path"
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#define PSD_PARASITE_PATH_FLATNESS "psd-path-flatness"
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/* Copied from app/base/pikaimage-quick-mask.h - internal identifier for quick mask channel */
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#define PIKA_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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/* Although the spec still says 56 there is a test image with more so let's go a little higher to 99 */
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#define MAX_CHANNELS 99 /* 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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#define PSD_LADJ_VIBRANCE "vibA" /* Adjustment layer - vibrance (PS10) */
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#define PSD_LADJ_COLOR_LOOKUP "clrL" /* Adjustment layer - color lookup (PS13) */
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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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#define PSD_LPRP_VERSION "lyvr" /* Layer version (PS7) */
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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 groups (PS6) */
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#define PSD_LOTH_SECTION2 "lsdk" /* Nested section divider setting - Layer groups (CS5) */
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#define PSD_LOTH_PATTERN "Patt" /* Patterns (PS6) */
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#define PSD_LOTH_PATTERN_2 "Pat2" /* Patterns 2nd key (PS6) */
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#define PSD_LOTH_PATTERN_3 "Pat3" /* Patterns 3rd key (PS6) */
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#define PSD_LOTH_GRADIENT "grdm" /* Gradient settings (PS6) */
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#define PSD_LOTH_RESTRICT "brst" /* Channel blending restriction 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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#define PSD_LOTH_CONTENT_GEN "CgEd" /* Content generator extra data (PS12) */
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#define PSD_LOTH_TEXT_ENGINE "Txt2" /* Text engine data (PS10) */
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#define PSD_LOTH_PATH_NAME "pths" /* Unicode path name (PS13) */
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#define PSD_LOTH_ANIMATION_FX "anFX" /* Animation effects (PS13) */
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#define PSD_LOTH_FILTER_MASK "FMsk" /* Filter mask (PS10) */
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#define PSD_LOTH_VECTOR_STROKE "vscg" /* Vector stroke data (PS13) */
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#define PSD_LOTH_ALIGN_RENDER "sn2P" /* Aligned rendering flag (?) */
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#define PSD_LOTH_USER_MASK "LMsk" /* User mask (?) */
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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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/* Placed Layer */
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#define PSD_LPL_PLACE_LAYER "PlLd" /* Placed layer (?) (based on PSD files, not specification) */
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#define PSD_LPL_PLACE_LAYER_NEW "SoLd" /* Placed layer (PS10) */
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#define PSD_SMART_OBJECT_LAYER "SoLE" /* Smart Object Layer (CC2015) */
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/* Linked Layer */
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#define PSD_LLL_LINKED_LAYER "lnkD" /* Linked layer (?) */
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#define PSD_LLL_LINKED_LAYER_2 "lnk2" /* Linked layer 2nd key */
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#define PSD_LLL_LINKED_LAYER_3 "lnk3" /* Linked layer 3rd key */
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#define PSD_LLL_LINKED_LAYER_EXT "lnkE" /* Linked layer external */
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/* Merged Transparency */
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#define PSD_LMT_MERGE_TRANS "Mtrn" /* Merged transparency save flag (?) */
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#define PSD_LMT_MERGE_TRANS_16 "Mt16" /* Merged transparency save flag 2 */
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#define PSD_LMT_MERGE_TRANS_32 "Mt32" /* Merged transparency save flag 3 */
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/* Filter Effects */
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#define PSD_LFFX_FILTER_FX "FXid" /* Filter effects (?) */
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#define PSD_LFFX_FILTER_FX_2 "FEid" /* Filter effects 2 */
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/* PSD spec enums */
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/* Image color 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 color 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 color 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 color 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 - Superceded by PSD_DISPLAY_INFO_NEW for ps CS3 and higher - 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 color */
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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 - Color 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 - Color 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 - Superceded by PSD_NEW_COLOR_SAMPLER for ps CS3 and higher - Global angle */
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PSD_COLOR_SAMPLER = 1038, /* 0x040e - Superceded by PSD_NEW_COLOR_SAMPLER for ps CS3 and higher - Color 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 color table count */
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PSD_IDX_TRANSPARENT = 1047, /* 0x0417 - Index of transparent color (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 1 */
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PSD_EXIF_DATA_3 = 1059, /* 0X0423 - Exif data block 3 (?) */
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PSD_XMP_DATA = 1060, /* 0x0424 - XMP data block */
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PSD_CAPTION_DIGEST = 1061, /* 0x0425 - Caption digest */
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PSD_PRINT_SCALE = 1062, /* 0x0426 - Print scale */
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PSD_PIXEL_AR = 1064, /* 0x0428 - Pixel aspect ratio */
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PSD_LAYER_COMPS = 1065, /* 0x0429 - Layer comps */
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PSD_ALT_DUOTONE_COLOR = 1066, /* 0x042A - Alternative Duotone colors */
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PSD_ALT_SPOT_COLOR = 1067, /* 0x042B - Alternative Spot colors */
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PSD_LAYER_SELECT_ID = 1069, /* 0x042D - Layer selection ID */
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PSD_HDR_TONING_INFO = 1070, /* 0x042E - HDR toning information */
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PSD_PRINT_INFO_SCALE = 1071, /* 0x042F - Print scale */
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PSD_LAYER_GROUP_E_ID = 1072, /* 0x0430 - Layer group(s) enabled ID */
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PSD_COLOR_SAMPLER_NEW = 1073, /* 0x0431 - Color sampler resource for ps CS3 and higher PSD files */
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PSD_MEASURE_SCALE = 1074, /* 0x0432 - Measurement scale */
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PSD_TIMELINE_INFO = 1075, /* 0x0433 - Timeline information */
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PSD_SHEET_DISCLOSE = 1076, /* 0x0434 - Sheet discloser */
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PSD_DISPLAY_INFO_NEW = 1077, /* 0x0435 - DisplayInfo structure for ps CS3 and higher PSD files */
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PSD_ONION_SKINS = 1078, /* 0x0436 - Onion skins */
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PSD_COUNT_INFO = 1080, /* 0x0438 - Count information*/
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PSD_PRINT_INFO = 1082, /* 0x043A - Print information added in ps CS5*/
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PSD_PRINT_STYLE = 1083, /* 0x043B - Print style */
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PSD_MAC_NSPRINTINFO = 1084, /* 0x043C - Mac NSPrintInfo*/
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PSD_WIN_DEVMODE = 1085, /* 0x043D - Windows DEVMODE */
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PSD_AUTO_SAVE_PATH = 1086, /* 0x043E - Auto save file path */
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PSD_AUTO_SAVE_FORMAT = 1087, /* 0x043F - Auto save format */
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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_PLUGIN_R_FIRST = 4000, /* 0x0FA0 - First plugin resource */
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PSD_PLUGIN_R_LAST = 4999, /* 0x1387 - Last plugin resource */
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PSD_IMAGEREADY_VARS = 7000, /* 0x1B58 - Imageready variables */
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PSD_IMAGEREADY_DATA = 7001, /* 0x1B59 - Imageready data sets */
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PSD_LIGHTROOM_WORK = 8000, /* 0x1F40 - Lightroom workflow */
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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_EXTRA_MASK= -3, /* User supplied extra layer mask */
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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 */
|
|
PSD_CLIPPING_NON_BASE = 1 /* Non-base clipping */
|
|
} PSDClipping;
|
|
|
|
/* Image compression mode */
|
|
typedef enum {
|
|
PSD_COMP_RAW = 0, /* Raw data */
|
|
PSD_COMP_RLE, /* RLE compressed */
|
|
PSD_COMP_ZIP, /* ZIP without prediction */
|
|
PSD_COMP_ZIP_PRED /* ZIP with prediction */
|
|
} PSDCompressMode;
|
|
|
|
/* Vertical - horizontal selection */
|
|
typedef enum {
|
|
PSD_VERTICAL = 0, /* Vertical */
|
|
PSD_HORIZONTAL = 1 /* Horizontal */
|
|
} VHSelect;
|
|
|
|
|
|
/* PSD spec data structures */
|
|
|
|
/* PSD field types */
|
|
typedef gint32 Fixed; /* Represents a fixed point implied decimal */
|
|
|
|
|
|
/* Apple color space data structures */
|
|
|
|
/* RGB Color Value
|
|
A color value expressed in the RGB color space is composed of red, green,
|
|
and blue component values. Each color component is expressed as a numeric
|
|
value within the range of 0 to 65535.
|
|
*/
|
|
typedef struct
|
|
{
|
|
guint16 red;
|
|
guint16 green;
|
|
guint16 blue;
|
|
} CMRGBColor;
|
|
|
|
/* HSV Color Value
|
|
A color value expressed in the HSV color space is composed of hue,
|
|
saturation, and value component values. Each color component is
|
|
expressed as a numeric value within the range of 0 to 65535 inclusive.
|
|
The hue value represents a fraction of a circle in which red is
|
|
positioned at 0.
|
|
*/
|
|
|
|
typedef struct
|
|
{
|
|
guint16 hue;
|
|
guint16 saturation;
|
|
guint16 value;
|
|
} CMHSVColor;
|
|
|
|
/* CMYK Color Value
|
|
A color value expressed in the CMYK color space is composed of cyan, magenta,
|
|
yellow, and black component values. Each color component is expressed as a
|
|
numeric value within the range of 0 to 65535 inclusive, with 0 representing
|
|
100% ink (e.g. pure cyan = 0, 65535, 65535, 65535).
|
|
*/
|
|
|
|
typedef struct
|
|
{
|
|
guint16 cyan;
|
|
guint16 magenta;
|
|
guint16 yellow;
|
|
guint16 black;
|
|
} CMCMYKColor;
|
|
|
|
/* L*a*b* Color Value
|
|
The first three values in the color data are, respectively, the colors
|
|
lightness, a chrominance, and b chrominance components. The lightness
|
|
component is a 16bit value ranging from 0 to 10000. The chrominance
|
|
components are each 16bit values ranging from 12800 to 12700. Gray
|
|
values are represented by chrominance components of 0 (e.g. pure white
|
|
is defined as 10000, 0, 0).
|
|
*/
|
|
typedef struct
|
|
{
|
|
guint16 L;
|
|
gint16 a;
|
|
gint16 b;
|
|
} CMLabColor;
|
|
|
|
/* Gray Color Value
|
|
A color value expressed in the Gray color space is composed of a single component,
|
|
gray, represented as a numeric value within the range of 0 to 10000.
|
|
*/
|
|
typedef struct
|
|
{
|
|
guint16 gray;
|
|
} CMGrayColor ;
|
|
|
|
/* The color union is defined by the CMColor type definition.
|
|
*/
|
|
typedef union
|
|
{
|
|
CMRGBColor rgb;
|
|
CMHSVColor hsv;
|
|
CMLabColor Lab;
|
|
CMCMYKColor cmyk;
|
|
CMGrayColor gray;
|
|
} CMColor;
|
|
|
|
/* PIKA layer mode info */
|
|
typedef struct
|
|
{
|
|
PikaLayerMode mode;
|
|
PikaLayerColorSpace blend_space;
|
|
PikaLayerColorSpace composite_space;
|
|
PikaLayerCompositeMode composite_mode;
|
|
} LayerModeInfo;
|
|
|
|
/* Image resolution data */
|
|
typedef struct {
|
|
Fixed hRes; /* Horizontal resolution pixels/inch */
|
|
gint16 hResUnit; /* Horizontal display resolution unit (1=pixels per inch, 2=pixels per cm) */
|
|
gint16 widthUnit; /* Display width unit (1=inches; 2=cm; 3=points; 4=picas; 5=columns) */
|
|
Fixed vRes; /* Vertical resolution pixels/inch */
|
|
gint16 vResUnit; /* Vertical display resolution unit */
|
|
gint16 heightUnit; /* Display height unit */
|
|
} ResolutionInfo;
|
|
|
|
/* Grid & guide header */
|
|
typedef struct {
|
|
guint32 fVersion; /* Version - always 1 for PS */
|
|
guint32 fGridCycleV; /* Vertical grid size */
|
|
guint32 fGridCycleH; /* Horizontal grid size */
|
|
guint32 fGuideCount; /* Number of guides */
|
|
} GuideHeader;
|
|
|
|
/* Guide resource block */
|
|
typedef struct {
|
|
guint32 fLocation; /* Guide position in Pixels * 100 */
|
|
gchar fDirection; /* Guide orientation */
|
|
} GuideResource;
|
|
|
|
/* Thumbnail data */
|
|
typedef struct {
|
|
gint32 format; /* Thumbnail image data format (1 = JPEG) */
|
|
gint32 width; /* Thumbnail width in pixels */
|
|
gint32 height; /* Thumbnail height in pixels */
|
|
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 for Adobe Photoshop CS2 and lower */
|
|
typedef struct {
|
|
gint16 colorSpace; /* Color 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;
|
|
|
|
/* Channel display info data for Adobe Photoshop CS3 and higher to support floating point colors */
|
|
typedef struct {
|
|
gint16 colorSpace; /* Color space from PSDColorSpace */
|
|
guint16 color[4]; /* 4 * 16 bit color components */
|
|
gint16 opacity; /* Opacity 0 to 100 */
|
|
gchar mode; /* Alpha = 0, Inverted alpha = 1, Spot = 2 */
|
|
} DisplayInfoNew;
|
|
|
|
/* PSD Channel length info data structure */
|
|
typedef struct
|
|
{
|
|
gint16 channel_id; /* Channel ID */
|
|
guint64 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 (obsolete according to online specs) */
|
|
gboolean rendered; /* User mask actually came from rendering other data */
|
|
gboolean params_present; /* User and/or vector masks have parameters applied to them */
|
|
} MaskFlags;
|
|
|
|
/* PSD Slices */
|
|
typedef struct
|
|
{
|
|
gint32 id; /* ID */
|
|
gint32 groupid; /* Group ID */
|
|
gint32 origin; /* Origin */
|
|
gint32 associatedid; /* Associated Layer ID */
|
|
gchar *name; /* Name */
|
|
gint32 type; /* Type */
|
|
gint32 left; /* Position coordinates */
|
|
gint32 top;
|
|
gint32 right;
|
|
gint32 bottom;
|
|
gchar *url; /* URL */
|
|
gchar *target; /* Target */
|
|
gchar *message; /* Message */
|
|
gchar *alttag; /* Alt Tag */
|
|
gchar html; /* Boolean for if cell text is HTML */
|
|
gchar *celltext; /* Cell text */
|
|
gint32 horizontal; /* Horizontal alignment */
|
|
gint32 vertical; /* Vertical alignment */
|
|
gchar alpha; /* Alpha */
|
|
gchar red; /* Red */
|
|
gchar green; /* Green */
|
|
gchar blue; /* Blue */
|
|
} PSDSlice;
|
|
|
|
/* PSD Layer mask data (length 20) */
|
|
typedef struct
|
|
{
|
|
gint32 top; /* Layer top */
|
|
gint32 left; /* Layer left */
|
|
gint32 bottom; /* Layer bottom */
|
|
gint32 right; /* Layer right */
|
|
guchar def_color; /* Default background color */
|
|
guchar flags; /* Layer flags */
|
|
guchar mask_params; /* Mask parameters. Only present if bit 4 of flags is set. */
|
|
guchar extra_flags; /* Real layer flags */
|
|
guchar extra_def_color; /* Real user mask background */
|
|
MaskFlags mask_flags; /* Flags */
|
|
} LayerMask;
|
|
|
|
/* PSD Layer mask data (length 36) */
|
|
typedef struct
|
|
{
|
|
gint32 top; /* Layer top */
|
|
gint32 left; /* Layer left */
|
|
gint32 bottom; /* Layer bottom */
|
|
gint32 right; /* Layer right */
|
|
} LayerMaskExtra;
|
|
|
|
/* PSD text reading */
|
|
typedef struct
|
|
{
|
|
gdouble xx; /* Transform information */
|
|
gdouble xy;
|
|
gdouble yx;
|
|
gdouble yy;
|
|
gdouble tx;
|
|
gdouble ty;
|
|
gchar *info; /* Text information */
|
|
} PSDText;
|
|
|
|
/* Partially or Unsupported Features */
|
|
typedef struct
|
|
{
|
|
gboolean show_gui;
|
|
gboolean duotone_mode;
|
|
|
|
gboolean adjustment_layer;
|
|
gboolean fill_layer;
|
|
gboolean text_layer;
|
|
gboolean linked_layer;
|
|
gboolean vector_mask;
|
|
gboolean smart_object;
|
|
gboolean stroke;
|
|
gboolean layer_effect;
|
|
gboolean layer_comp;
|
|
gboolean psd_metadata;
|
|
} PSDSupport;
|
|
|
|
/* PSD Layer data structure */
|
|
typedef struct
|
|
{
|
|
gboolean drop; /* Do not add layer to PIKA image */
|
|
gint32 top; /* Layer top */
|
|
gint32 left; /* Layer left */
|
|
gint32 bottom; /* Layer bottom */
|
|
gint32 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 clipping_group_type; /* Used to track group needed for clipping (1 = group start, 2 = group end) */
|
|
guchar flags; /* Layer flags */
|
|
guchar filler; /* Filler */
|
|
guint64 extra_len; /* Extra data length */
|
|
gchar *name; /* Layer name */
|
|
guint64 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 */
|
|
PSDText text; /* PSD text */
|
|
guint32 id; /* Layer ID (Tattoo) */
|
|
guchar group_type; /* 0 -> not a group; 1 -> open folder; 2 -> closed folder; 3 -> end of group */
|
|
guint16 color_tag[4]; /* 4 * 16 bit color components */
|
|
|
|
PSDSupport *unsupported_features;
|
|
} 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
|
|
{
|
|
PikaRGB pika_color; /* Pika RGB color */
|
|
gint16 opacity; /* Opacity */
|
|
guchar ps_mode; /* PS mode flag */
|
|
guchar ps_kind; /* PS type flag */
|
|
gint16 ps_cspace; /* PS color space */
|
|
CMColor ps_color; /* PS color */
|
|
} 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) */
|
|
guint64 data_start; /* Image resource data start */
|
|
guint64 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 */
|
|
guint64 data_start; /* Layer resource data start */
|
|
guint64 data_len; /* Layer resource data length */
|
|
gboolean ibm_pc_format; /* If layers are saved in little endian format */
|
|
} PSDlayerres;
|
|
|
|
/* PSD File data structures */
|
|
typedef struct
|
|
{
|
|
gboolean merged_image_only; /* Whether to load only the merged image data */
|
|
|
|
guint16 version; /* Version 1 (PSD) or 2 (PSB) */
|
|
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 sample: 1, 8, 16, or 32 */
|
|
guint16 color_mode; /* Image color mode: {PSDColorMode} */
|
|
PikaImageBaseType base_type; /* Image base color mode: (PIKA) */
|
|
guint16 comp_mode; /* Merged image compression mode */
|
|
guchar *color_map; /* Color map data */
|
|
guint32 color_map_len; /* Color map data length */
|
|
guint32 color_map_entries; /* Color map number of entries */
|
|
guint64 image_res_start; /* Image resource block start address */
|
|
guint64 image_res_len; /* Image resource block length */
|
|
guint64 mask_layer_start; /* Mask & layer block start address */
|
|
guint64 mask_layer_len; /* Mask & layer block length */
|
|
gint16 num_layers; /* Number of layers */
|
|
guint64 layer_data_start; /* Layer pixel data start */
|
|
guint64 layer_data_len; /* Layer pixel data length */
|
|
guint64 merged_image_start; /* Merged image pixel data block start address */
|
|
guint64 merged_image_len; /* Merged image pixel data block length */
|
|
gboolean no_icc; /* Do not use ICC profile */
|
|
guint16 layer_state; /* Active layer index counting from bottom up */
|
|
GList *layer_selection; /* Selected layer IDs (PIKA layer tattoos) */
|
|
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 */
|
|
|
|
PikaColorProfile *cmyk_profile;
|
|
gpointer cmyk_transform;
|
|
gpointer cmyk_transform_alpha;
|
|
|
|
gboolean ibm_pc_format; /* If layers are saved in little endian format */
|
|
PSDSupport *unsupported_features;
|
|
} PSDimage;
|
|
|
|
/* Public functions */
|
|
|
|
|
|
#endif /* __PSD_H__ */
|
