mirror of https://github.com/GNOME/gimp.git
2218 lines
66 KiB
C
2218 lines
66 KiB
C
/* tiff loading for GIMP
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* -Peter Mattis
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*
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* The TIFF loading code has been completely revamped by Nick Lamb
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* njl195@zepler.org.uk -- 18 May 1998
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* And it now gains support for tiles (and doubtless a zillion bugs)
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* njl195@zepler.org.uk -- 12 June 1999
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* LZW patent fuss continues :(
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* njl195@zepler.org.uk -- 20 April 2000
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* The code for this filter is based on "tifftopnm" and "pnmtotiff",
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* 2 programs that are a part of the netpbm package.
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* khk@khk.net -- 13 May 2000
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* Added support for ICCPROFILE tiff tag. If this tag is present in a
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* TIFF file, then a parasite is created and vice versa.
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* peter@kirchgessner.net -- 29 Oct 2002
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* Progress bar only when run interactive
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* Added support for layer offsets - pablo.dangelo@web.de -- 7 Jan 2004
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* Honor EXTRASAMPLES tag while loading images with alphachannel
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* pablo.dangelo@web.de -- 16 Jan 2004
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*/
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/*
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* tifftopnm.c - converts a Tagged Image File to a portable anymap
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*
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* Derived by Jef Poskanzer from tif2ras.c, which is:
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*
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* Copyright (c) 1990 by Sun Microsystems, Inc.
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*
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* Author: Patrick J. Naughton
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* naughton@wind.sun.com
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation.
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*
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* This file is provided AS IS with no warranties of any kind. The author
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* shall have no liability with respect to the infringement of copyrights,
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* trade secrets or any patents by this file or any part thereof. In no
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* event will the author be liable for any lost revenue or profits or
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* other special, indirect and consequential damages.
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*/
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#include "config.h"
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <glib/gstdio.h>
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#ifdef G_OS_WIN32
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#include <libgimpbase/gimpwin32-io.h>
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#endif
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#ifndef _O_BINARY
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#define _O_BINARY 0
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#endif
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#include <tiffio.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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#include "libgimp/stdplugins-intl.h"
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#define LOAD_PROC "file-tiff-load"
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#define PLUG_IN_BINARY "file-tiff-load"
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typedef struct
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{
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gint compression;
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gint fillorder;
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gboolean save_transp_pixels;
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} TiffSaveVals;
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typedef struct
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{
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gint32 ID;
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GimpDrawable *drawable;
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GimpPixelRgn pixel_rgn;
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guchar *pixels;
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guchar *pixel;
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} channel_data;
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typedef struct
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{
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gint o_pages;
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gint n_pages;
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gint *pages;
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} TiffSelectedPages;
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/* Declare some local functions.
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*/
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static gboolean load_dialog (TIFF *tif,
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TiffSelectedPages *pages);
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static gint32 load_image (const gchar *filename,
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TIFF *tif,
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TiffSelectedPages *pages,
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GError **error);
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static void load_rgba (TIFF *tif,
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channel_data *channel);
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static void load_lines (TIFF *tif,
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channel_data *channel,
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gushort bps,
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gushort photomet,
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gboolean alpha,
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gboolean is_bw,
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gint extra);
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static void load_tiles (TIFF *tif,
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channel_data *channel,
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gushort bps,
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gushort photomet,
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gboolean alpha,
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gboolean is_bw,
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gint extra);
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static void load_paths (TIFF *tif,
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gint image);
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static void read_separate (const guchar *source,
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channel_data *channel,
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gushort bps,
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gushort photomet,
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gint startcol,
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gint startrow,
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gint rows,
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gint cols,
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gboolean alpha,
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gint extra,
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gint sample);
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static void read_16bit (const guchar *source,
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channel_data *channel,
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gushort photomet,
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gint startcol,
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gint startrow,
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gint rows,
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gint cols,
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gboolean alpha,
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gint extra,
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gint align);
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static void read_8bit (const guchar *source,
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channel_data *channel,
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gushort photomet,
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gint startcol,
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gint startrow,
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gint rows,
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gint cols,
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gboolean alpha,
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gint extra,
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gint align);
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static void read_bw (const guchar *source,
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channel_data *channel,
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gint startcol,
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gint startrow,
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gint rows,
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gint cols,
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gint align);
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static void read_default (const guchar *source,
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channel_data *channel,
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gushort bps,
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gushort photomet,
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gint startcol,
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gint startrow,
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gint rows,
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gint cols,
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gboolean alpha,
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gint extra,
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gint align);
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static void fill_bit2byte (void);
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static void tiff_warning (const gchar *module,
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const gchar *fmt,
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va_list ap);
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static void tiff_error (const gchar *module,
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const gchar *fmt,
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va_list ap);
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const GimpPlugInInfo PLUG_IN_INFO =
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{
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NULL, /* init_proc */
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NULL, /* quit_proc */
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query, /* query_proc */
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run, /* run_proc */
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};
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static TiffSaveVals tsvals =
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{
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COMPRESSION_NONE, /* compression */
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TRUE, /* alpha handling */
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};
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static GimpRunMode run_mode = GIMP_RUN_INTERACTIVE;
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static GimpPageSelectorTarget target = GIMP_PAGE_SELECTOR_TARGET_LAYERS;
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static guchar bit2byte[256 * 8];
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MAIN ()
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static void
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query (void)
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{
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static const GimpParamDef load_args[] =
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{
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{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
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{ GIMP_PDB_STRING, "raw-filename", "The name of the file to load" }
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};
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static const GimpParamDef load_return_vals[] =
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{
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{ GIMP_PDB_IMAGE, "image", "Output image" }
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};
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gimp_install_procedure (LOAD_PROC,
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"loads files of the tiff file format",
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"FIXME: write help for tiff_load",
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"Spencer Kimball, Peter Mattis & Nick Lamb",
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"Nick Lamb <njl195@zepler.org.uk>",
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"1995-1996,1998-2003",
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N_("TIFF image"),
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NULL,
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GIMP_PLUGIN,
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G_N_ELEMENTS (load_args),
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G_N_ELEMENTS (load_return_vals),
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load_args, load_return_vals);
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gimp_register_file_handler_mime (LOAD_PROC, "image/tiff");
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gimp_register_magic_load_handler (LOAD_PROC,
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"tif,tiff",
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"",
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"0,string,II*\\0,0,string,MM\\0*");
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}
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static void
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run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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{
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static GimpParam values[2];
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GError *error = NULL;
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gint32 image;
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TiffSelectedPages pages;
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run_mode = param[0].data.d_int32;
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INIT_I18N ();
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
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TIFFSetWarningHandler (tiff_warning);
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TIFFSetErrorHandler (tiff_error);
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if (strcmp (name, LOAD_PROC) == 0)
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{
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const gchar *filename = param[1].data.d_string;
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TIFF *tif = NULL;
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gint fd;
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fd = g_open (filename, O_RDONLY | _O_BINARY, 0);
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if (fd == -1)
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{
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g_set_error (&error, G_FILE_ERROR, g_file_error_from_errno (errno),
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_("Could not open '%s' for reading: %s"),
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gimp_filename_to_utf8 (filename), g_strerror (errno));
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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else
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{
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tif = TIFFFdOpen (fd, filename, "r");
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}
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if (tif)
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{
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gimp_get_data (LOAD_PROC, &target);
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pages.n_pages = pages.o_pages = TIFFNumberOfDirectories (tif);
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if (pages.n_pages == 0)
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{
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g_set_error (&error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("TIFF '%s' does not contain any directories"),
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gimp_filename_to_utf8 (filename));
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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else
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{
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gboolean run_it = FALSE;
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gint i;
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if (run_mode != GIMP_RUN_INTERACTIVE)
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{
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pages.pages = g_new (gint, pages.n_pages);
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for (i = 0; i < pages.n_pages; i++)
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pages.pages[i] = i;
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run_it = TRUE;
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}
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if (pages.n_pages == 1)
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{
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target = GIMP_PAGE_SELECTOR_TARGET_LAYERS;
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pages.pages = g_new0 (gint, pages.n_pages);
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run_it = TRUE;
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}
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if ((! run_it) && (run_mode == GIMP_RUN_INTERACTIVE))
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run_it = load_dialog (tif, &pages);
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if (run_it)
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{
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gimp_set_data (LOAD_PROC, &target, sizeof (target));
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image = load_image (param[1].data.d_string, tif, &pages,
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&error);
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g_free (pages.pages);
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if (image != -1)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image;
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}
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else
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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else
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{
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status = GIMP_PDB_CANCEL;
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}
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}
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TIFFClose (tif);
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close (fd);
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}
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else
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{
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close (fd);
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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else
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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if (status != GIMP_PDB_SUCCESS && error)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_STRING;
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values[1].data.d_string = error->message;
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}
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values[0].data.d_status = status;
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}
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static void
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tiff_warning (const gchar *module,
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const gchar *fmt,
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va_list ap)
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{
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int tag = 0;
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if (! strcmp (fmt, "%s: unknown field with tag %d (0x%x) encountered"))
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{
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const char *name;
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va_list ap_test;
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G_VA_COPY (ap_test, ap);
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name = va_arg (ap_test, const char *);
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tag = va_arg (ap_test, int);
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}
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/* for older versions of libtiff? */
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else if (! strcmp (fmt, "unknown field with tag %d (0x%x) ignored"))
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{
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va_list ap_test;
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G_VA_COPY (ap_test, ap);
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tag = va_arg (ap_test, int);
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}
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/* Workaround for: http://bugzilla.gnome.org/show_bug.cgi?id=131975 */
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/* Ignore the warnings about unregistered private tags (>= 32768). */
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if (tag >= 32768)
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return;
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/* Other unknown fields are only reported to stderr. */
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if (tag > 0)
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{
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gchar *msg = g_strdup_vprintf (fmt, ap);
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g_printerr ("%s\n", msg);
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g_free (msg);
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return;
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}
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g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, fmt, ap);
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}
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static void
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tiff_error (const gchar *module,
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const gchar *fmt,
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va_list ap)
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{
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/* Workaround for: http://bugzilla.gnome.org/show_bug.cgi?id=132297 */
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/* Ignore the errors related to random access and JPEG compression */
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if (! strcmp (fmt, "Compression algorithm does not support random access"))
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return;
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g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, fmt, ap);
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}
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/* returns a pointer into the TIFF */
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static const gchar *
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tiff_get_page_name (TIFF *tif)
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{
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static gchar *name;
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if (TIFFGetField (tif, TIFFTAG_PAGENAME, &name) &&
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g_utf8_validate (name, -1, NULL))
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{
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return name;
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}
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return NULL;
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}
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static gboolean
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load_dialog (TIFF *tif,
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TiffSelectedPages *pages)
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{
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GtkWidget *dialog;
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GtkWidget *vbox;
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GtkWidget *selector;
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gint i;
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gboolean run;
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gimp_ui_init (PLUG_IN_BINARY, FALSE);
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dialog = gimp_dialog_new (_("Import from TIFF"), PLUG_IN_BINARY,
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NULL, 0,
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gimp_standard_help_func, LOAD_PROC,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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_("_Import"), GTK_RESPONSE_OK,
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NULL);
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gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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gimp_window_set_transient (GTK_WINDOW (dialog));
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vbox = gtk_vbox_new (FALSE, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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vbox);
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gtk_widget_show (vbox);
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/* Page Selector */
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selector = gimp_page_selector_new ();
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gtk_box_pack_start (GTK_BOX (vbox), selector, TRUE, TRUE, 0);
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gimp_page_selector_set_n_pages (GIMP_PAGE_SELECTOR (selector),
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pages->n_pages);
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gimp_page_selector_set_target (GIMP_PAGE_SELECTOR (selector), target);
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for (i = 0; i < pages->n_pages; i++)
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{
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const gchar *name = tiff_get_page_name (tif);
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if (name)
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gimp_page_selector_set_page_label (GIMP_PAGE_SELECTOR (selector),
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i, name);
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TIFFReadDirectory (tif);
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}
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g_signal_connect_swapped (selector, "activate",
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G_CALLBACK (gtk_window_activate_default),
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dialog);
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gtk_widget_show (selector);
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/* Setup done; display the dialog */
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gtk_widget_show (dialog);
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/* run the dialog */
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run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
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if (run)
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target = gimp_page_selector_get_target (GIMP_PAGE_SELECTOR (selector));
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pages->pages =
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gimp_page_selector_get_selected_pages (GIMP_PAGE_SELECTOR (selector),
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&pages->n_pages);
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|
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/* select all if none selected */
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if (pages->n_pages == 0)
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{
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gimp_page_selector_select_all (GIMP_PAGE_SELECTOR (selector));
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|
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pages->pages =
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gimp_page_selector_get_selected_pages (GIMP_PAGE_SELECTOR (selector),
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&pages->n_pages);
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}
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|
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return run;
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}
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|
|
static gint32
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load_image (const gchar *filename,
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TIFF *tif,
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TiffSelectedPages *pages,
|
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GError **error)
|
|
{
|
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gushort bps, spp, photomet;
|
|
guint16 orientation;
|
|
gint cols, rows;
|
|
gboolean alpha;
|
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gint image = 0, image_type = GIMP_RGB;
|
|
gint layer, layer_type = GIMP_RGB_IMAGE;
|
|
gint first_image_type = GIMP_RGB;
|
|
float layer_offset_x = 0.0;
|
|
float layer_offset_y = 0.0;
|
|
gint layer_offset_x_pixel = 0;
|
|
gint layer_offset_y_pixel = 0;
|
|
gint min_row = G_MAXINT;
|
|
gint min_col = G_MAXINT;
|
|
gint max_row = 0;
|
|
gint max_col = 0;
|
|
gushort extra, *extra_types;
|
|
channel_data *channel = NULL;
|
|
|
|
gushort *redmap, *greenmap, *bluemap;
|
|
GimpRGB color;
|
|
guchar cmap[768];
|
|
|
|
gboolean is_bw;
|
|
|
|
gint i, j;
|
|
gint ilayer;
|
|
gboolean worst_case = FALSE;
|
|
|
|
TiffSaveVals save_vals;
|
|
GimpParasite *parasite;
|
|
guint16 tmp;
|
|
|
|
const gchar *name;
|
|
|
|
GList *images_list = NULL, *images_list_temp;
|
|
gint li;
|
|
|
|
gboolean flip_horizontal = FALSE;
|
|
gboolean flip_vertical = FALSE;
|
|
|
|
#ifdef TIFFTAG_ICCPROFILE
|
|
uint32 profile_size;
|
|
guchar *icc_profile;
|
|
#endif
|
|
|
|
gimp_rgb_set (&color, 0.0, 0.0, 0.0);
|
|
|
|
gimp_progress_init_printf (_("Opening '%s'"),
|
|
gimp_filename_to_utf8 (filename));
|
|
/* We will loop through the all pages in case of multipage TIFF
|
|
and load every page as a separate layer. */
|
|
|
|
ilayer = 0;
|
|
|
|
for (li = 0; li < pages->n_pages; li++)
|
|
{
|
|
TIFFSetDirectory (tif, pages->pages[li]);
|
|
ilayer = pages->pages[li];
|
|
|
|
gimp_progress_update (0.0);
|
|
|
|
TIFFGetFieldDefaulted (tif, TIFFTAG_BITSPERSAMPLE, &bps);
|
|
|
|
if (bps > 8 && bps != 16)
|
|
worst_case = TRUE; /* Wrong sample width => RGBA */
|
|
|
|
TIFFGetFieldDefaulted (tif, TIFFTAG_SAMPLESPERPIXEL, &spp);
|
|
|
|
if (!TIFFGetField (tif, TIFFTAG_EXTRASAMPLES, &extra, &extra_types))
|
|
extra = 0;
|
|
|
|
if (!TIFFGetField (tif, TIFFTAG_IMAGEWIDTH, &cols))
|
|
{
|
|
g_message ("Could not get image width from '%s'",
|
|
gimp_filename_to_utf8 (filename));
|
|
return -1;
|
|
}
|
|
|
|
if (!TIFFGetField (tif, TIFFTAG_IMAGELENGTH, &rows))
|
|
{
|
|
g_message ("Could not get image length from '%s'",
|
|
gimp_filename_to_utf8 (filename));
|
|
return -1;
|
|
}
|
|
|
|
if (!TIFFGetField (tif, TIFFTAG_PHOTOMETRIC, &photomet))
|
|
{
|
|
uint16 compress;
|
|
if (TIFFGetField(tif, TIFFTAG_COMPRESSION, &compress) &&
|
|
(compress == COMPRESSION_CCITTFAX3 ||
|
|
compress == COMPRESSION_CCITTFAX4 ||
|
|
compress == COMPRESSION_CCITTRLE ||
|
|
compress == COMPRESSION_CCITTRLEW))
|
|
{
|
|
g_message ("Could not get photometric from '%s'. "
|
|
"Image is CCITT compressed, assuming min-is-white",
|
|
filename);
|
|
photomet = PHOTOMETRIC_MINISWHITE;
|
|
}
|
|
else
|
|
{
|
|
g_message ("Could not get photometric from '%s'. "
|
|
"Assuming min-is-black",
|
|
filename);
|
|
/* old AppleScan software misses out the photometric tag (and
|
|
* incidentally assumes min-is-white, but xv assumes
|
|
* min-is-black, so we follow xv's lead. It's not much hardship
|
|
* to invert the image later). */
|
|
photomet = PHOTOMETRIC_MINISBLACK;
|
|
}
|
|
}
|
|
|
|
/* test if the extrasample represents an associated alpha channel... */
|
|
if (extra > 0 && (extra_types[0] == EXTRASAMPLE_ASSOCALPHA))
|
|
{
|
|
alpha = TRUE;
|
|
tsvals.save_transp_pixels = FALSE;
|
|
--extra;
|
|
}
|
|
else if (extra > 0 && (extra_types[0] == EXTRASAMPLE_UNASSALPHA))
|
|
{
|
|
alpha = TRUE;
|
|
tsvals.save_transp_pixels = TRUE;
|
|
--extra;
|
|
}
|
|
else if (extra > 0 && (extra_types[0] == EXTRASAMPLE_UNSPECIFIED))
|
|
{
|
|
/* assuming unassociated alpha if unspecified */
|
|
g_message ("alpha channel type not defined for file %s. "
|
|
"Assuming alpha is not premultiplied",
|
|
gimp_filename_to_utf8 (filename));
|
|
alpha = TRUE;
|
|
tsvals.save_transp_pixels = TRUE;
|
|
--extra;
|
|
}
|
|
else
|
|
{
|
|
alpha = FALSE;
|
|
}
|
|
|
|
if (photomet == PHOTOMETRIC_RGB && spp > 3 + extra)
|
|
{
|
|
alpha = TRUE;
|
|
extra = spp - 4;
|
|
}
|
|
else if (photomet != PHOTOMETRIC_RGB && spp > 1 + extra)
|
|
{
|
|
alpha = TRUE;
|
|
extra = spp - 2;
|
|
}
|
|
|
|
is_bw = FALSE;
|
|
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
if (bps == 1 && !alpha && spp == 1)
|
|
{
|
|
image_type = GIMP_INDEXED;
|
|
layer_type = GIMP_INDEXED_IMAGE;
|
|
|
|
is_bw = TRUE;
|
|
fill_bit2byte ();
|
|
}
|
|
else
|
|
{
|
|
image_type = GIMP_GRAY;
|
|
layer_type = (alpha) ? GIMP_GRAYA_IMAGE : GIMP_GRAY_IMAGE;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_RGB:
|
|
image_type = GIMP_RGB;
|
|
layer_type = (alpha) ? GIMP_RGBA_IMAGE : GIMP_RGB_IMAGE;
|
|
break;
|
|
|
|
case PHOTOMETRIC_PALETTE:
|
|
image_type = GIMP_INDEXED;
|
|
layer_type = (alpha) ? GIMP_INDEXEDA_IMAGE : GIMP_INDEXED_IMAGE;
|
|
break;
|
|
|
|
default:
|
|
worst_case = TRUE;
|
|
break;
|
|
}
|
|
|
|
if (worst_case)
|
|
{
|
|
image_type = GIMP_RGB;
|
|
layer_type = GIMP_RGBA_IMAGE;
|
|
}
|
|
|
|
if (target == GIMP_PAGE_SELECTOR_TARGET_LAYERS)
|
|
{
|
|
if (li == 0)
|
|
first_image_type = image_type;
|
|
else if (image_type != first_image_type)
|
|
continue;
|
|
}
|
|
|
|
if ((target == GIMP_PAGE_SELECTOR_TARGET_IMAGES) || (! image))
|
|
{
|
|
if ((image = gimp_image_new (cols, rows, image_type)) == -1)
|
|
{
|
|
g_message ("Could not create a new image: %s",
|
|
gimp_get_pdb_error ());
|
|
return -1;
|
|
}
|
|
|
|
gimp_image_undo_disable (image);
|
|
|
|
if (target == GIMP_PAGE_SELECTOR_TARGET_IMAGES)
|
|
{
|
|
gchar *fname = g_strdup_printf ("%s-%d", filename, ilayer);
|
|
|
|
gimp_image_set_filename (image, fname);
|
|
g_free (fname);
|
|
|
|
images_list = g_list_prepend (images_list,
|
|
GINT_TO_POINTER (image));
|
|
}
|
|
else if (pages->o_pages != pages->n_pages)
|
|
{
|
|
gchar *fname = g_strdup_printf (_("%s-%d-of-%d-pages"), filename,
|
|
pages->n_pages, pages->o_pages);
|
|
|
|
gimp_image_set_filename (image, fname);
|
|
g_free (fname);
|
|
}
|
|
else
|
|
{
|
|
gimp_image_set_filename (image, filename);
|
|
}
|
|
}
|
|
|
|
|
|
/* attach a parasite containing an ICC profile - if found in the TIFF */
|
|
|
|
#ifdef TIFFTAG_ICCPROFILE
|
|
/* If TIFFTAG_ICCPROFILE is defined we are dealing with a libtiff version
|
|
* that can handle ICC profiles. Otherwise just ignore this section. */
|
|
if (TIFFGetField (tif, TIFFTAG_ICCPROFILE, &profile_size, &icc_profile))
|
|
{
|
|
parasite = gimp_parasite_new ("icc-profile",
|
|
GIMP_PARASITE_PERSISTENT |
|
|
GIMP_PARASITE_UNDOABLE,
|
|
profile_size, icc_profile);
|
|
gimp_image_parasite_attach (image, parasite);
|
|
gimp_parasite_free (parasite);
|
|
}
|
|
#endif
|
|
|
|
/* attach a parasite containing the compression */
|
|
if (!TIFFGetField (tif, TIFFTAG_COMPRESSION, &tmp))
|
|
{
|
|
save_vals.compression = COMPRESSION_NONE;
|
|
}
|
|
else
|
|
{
|
|
switch (tmp)
|
|
{
|
|
case COMPRESSION_NONE:
|
|
case COMPRESSION_LZW:
|
|
case COMPRESSION_PACKBITS:
|
|
case COMPRESSION_DEFLATE:
|
|
case COMPRESSION_JPEG:
|
|
case COMPRESSION_CCITTFAX3:
|
|
case COMPRESSION_CCITTFAX4:
|
|
save_vals.compression = tmp;
|
|
break;
|
|
|
|
default:
|
|
save_vals.compression = COMPRESSION_NONE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
parasite = gimp_parasite_new ("tiff-save-options", 0,
|
|
sizeof (save_vals), &save_vals);
|
|
gimp_image_parasite_attach (image, parasite);
|
|
gimp_parasite_free (parasite);
|
|
|
|
/* Attach a parasite containing the image description. Pretend to
|
|
* be a gimp comment so other plugins will use this description as
|
|
* an image comment where appropriate. */
|
|
{
|
|
const gchar *img_desc;
|
|
|
|
if (TIFFGetField (tif, TIFFTAG_IMAGEDESCRIPTION, &img_desc) &&
|
|
g_utf8_validate (img_desc, -1, NULL))
|
|
{
|
|
parasite = gimp_parasite_new ("gimp-comment",
|
|
GIMP_PARASITE_PERSISTENT,
|
|
strlen (img_desc) + 1, img_desc);
|
|
gimp_image_parasite_attach (image, parasite);
|
|
gimp_parasite_free (parasite);
|
|
}
|
|
}
|
|
|
|
/* any resolution info in the file? */
|
|
{
|
|
gfloat xres = 72.0, yres = 72.0;
|
|
gushort read_unit;
|
|
GimpUnit unit = GIMP_UNIT_PIXEL; /* invalid unit */
|
|
|
|
if (TIFFGetField (tif, TIFFTAG_XRESOLUTION, &xres))
|
|
{
|
|
if (TIFFGetField (tif, TIFFTAG_YRESOLUTION, &yres))
|
|
{
|
|
|
|
if (TIFFGetFieldDefaulted (tif, TIFFTAG_RESOLUTIONUNIT,
|
|
&read_unit))
|
|
{
|
|
switch (read_unit)
|
|
{
|
|
case RESUNIT_NONE:
|
|
/* ImageMagick writes files with this silly resunit */
|
|
break;
|
|
|
|
case RESUNIT_INCH:
|
|
unit = GIMP_UNIT_INCH;
|
|
break;
|
|
|
|
case RESUNIT_CENTIMETER:
|
|
xres *= 2.54;
|
|
yres *= 2.54;
|
|
unit = GIMP_UNIT_MM; /* this is our default metric unit */
|
|
break;
|
|
|
|
default:
|
|
g_message ("File error: unknown resolution "
|
|
"unit type %d, assuming dpi", read_unit);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{ /* no res unit tag */
|
|
/* old AppleScan software produces these */
|
|
g_message ("Warning: resolution specified without "
|
|
"any units tag, assuming dpi");
|
|
}
|
|
}
|
|
else
|
|
{ /* xres but no yres */
|
|
g_message ("Warning: no y resolution info, assuming same as x");
|
|
yres = xres;
|
|
}
|
|
|
|
/* now set the new image's resolution info */
|
|
|
|
/* If it is invalid, instead of forcing 72dpi, do not set the
|
|
resolution at all. Gimp will then use the default set by
|
|
the user */
|
|
if (read_unit != RESUNIT_NONE)
|
|
{
|
|
gimp_image_set_resolution (image, xres, yres);
|
|
if (unit != GIMP_UNIT_PIXEL)
|
|
gimp_image_set_unit (image, unit);
|
|
}
|
|
}
|
|
|
|
/* no x res tag => we assume we have no resolution info, so we
|
|
* don't care. Older versions of this plugin used to write files
|
|
* with no resolution tags at all. */
|
|
|
|
/* TODO: haven't caught the case where yres tag is present, but
|
|
not xres. This is left as an exercise for the reader - they
|
|
should feel free to shoot the author of the broken program
|
|
that produced the damaged TIFF file in the first place. */
|
|
|
|
/* handle layer offset */
|
|
if (! TIFFGetField (tif, TIFFTAG_XPOSITION, &layer_offset_x))
|
|
layer_offset_x = 0.0;
|
|
|
|
if (! TIFFGetField (tif, TIFFTAG_YPOSITION, &layer_offset_y))
|
|
layer_offset_y = 0.0;
|
|
|
|
/* round floating point position to integer position
|
|
required by GIMP */
|
|
layer_offset_x_pixel = ROUND(layer_offset_x * xres);
|
|
layer_offset_y_pixel = ROUND(layer_offset_y * yres);
|
|
}
|
|
|
|
|
|
/* Install colormap for INDEXED images only */
|
|
if (image_type == GIMP_INDEXED)
|
|
{
|
|
if (is_bw)
|
|
{
|
|
if (photomet == PHOTOMETRIC_MINISWHITE)
|
|
{
|
|
cmap[0] = cmap[1] = cmap[2] = 255;
|
|
cmap[3] = cmap[4] = cmap[5] = 0;
|
|
}
|
|
else
|
|
{
|
|
cmap[0] = cmap[1] = cmap[2] = 0;
|
|
cmap[3] = cmap[4] = cmap[5] = 255;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!TIFFGetField (tif, TIFFTAG_COLORMAP,
|
|
&redmap, &greenmap, &bluemap))
|
|
{
|
|
g_message ("Could not get colormaps from '%s'",
|
|
gimp_filename_to_utf8 (filename));
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0, j = 0; i < (1 << bps); i++)
|
|
{
|
|
cmap[j++] = redmap[i] >> 8;
|
|
cmap[j++] = greenmap[i] >> 8;
|
|
cmap[j++] = bluemap[i] >> 8;
|
|
}
|
|
}
|
|
|
|
gimp_image_set_colormap (image, cmap, (1 << bps));
|
|
}
|
|
|
|
load_paths (tif, image);
|
|
|
|
/* Allocate channel_data for all channels, even the background layer */
|
|
channel = g_new0 (channel_data, extra + 1);
|
|
|
|
/* try and use layer name from tiff file */
|
|
name = tiff_get_page_name (tif);
|
|
|
|
if (name)
|
|
{
|
|
layer = gimp_layer_new (image, name,
|
|
cols, rows,
|
|
layer_type, 100, GIMP_NORMAL_MODE);
|
|
}
|
|
else
|
|
{
|
|
gchar *name;
|
|
|
|
if (ilayer == 0)
|
|
name = g_strdup (_("Background"));
|
|
else
|
|
name = g_strdup_printf (_("Page %d"), ilayer);
|
|
|
|
layer = gimp_layer_new (image, name,
|
|
cols, rows,
|
|
layer_type, 100, GIMP_NORMAL_MODE);
|
|
g_free (name);
|
|
}
|
|
|
|
channel[0].ID = layer;
|
|
channel[0].drawable = gimp_drawable_get (layer);
|
|
|
|
if (extra > 0 && !worst_case)
|
|
{
|
|
/* Add alpha channels as appropriate */
|
|
for (i = 1; i <= extra; ++i)
|
|
{
|
|
channel[i].ID = gimp_channel_new (image, _("TIFF Channel"),
|
|
cols, rows,
|
|
100.0, &color);
|
|
gimp_image_add_channel (image, channel[i].ID, 0);
|
|
channel[i].drawable = gimp_drawable_get (channel[i].ID);
|
|
}
|
|
}
|
|
|
|
if (bps == 16)
|
|
g_message (_("Warning:\n"
|
|
"The image you are loading has 16 bits per channel. GIMP "
|
|
"can only handle 8 bit, so it will be converted for you. "
|
|
"Information will be lost because of this conversion."));
|
|
|
|
if (worst_case)
|
|
{
|
|
load_rgba (tif, channel);
|
|
}
|
|
else if (TIFFIsTiled (tif))
|
|
{
|
|
load_tiles (tif, channel, bps, photomet, alpha, is_bw, extra);
|
|
}
|
|
else
|
|
{ /* Load scanlines in tile_height chunks */
|
|
load_lines (tif, channel, bps, photomet, alpha, is_bw, extra);
|
|
}
|
|
|
|
if (TIFFGetField (tif, TIFFTAG_ORIENTATION, &orientation))
|
|
{
|
|
switch (orientation)
|
|
{
|
|
case ORIENTATION_TOPLEFT:
|
|
flip_horizontal = FALSE;
|
|
flip_vertical = FALSE;
|
|
break;
|
|
case ORIENTATION_TOPRIGHT:
|
|
flip_horizontal = TRUE;
|
|
flip_vertical = FALSE;
|
|
break;
|
|
case ORIENTATION_BOTRIGHT:
|
|
flip_horizontal = TRUE;
|
|
flip_vertical = TRUE;
|
|
break;
|
|
case ORIENTATION_BOTLEFT:
|
|
flip_horizontal = FALSE;
|
|
flip_vertical = TRUE;
|
|
break;
|
|
default:
|
|
flip_horizontal = FALSE;
|
|
flip_vertical = FALSE;
|
|
g_warning ("Orientation %d not handled yet!", orientation);
|
|
break;
|
|
}
|
|
|
|
if (flip_horizontal)
|
|
gimp_drawable_transform_flip_simple (layer,
|
|
GIMP_ORIENTATION_HORIZONTAL,
|
|
TRUE, 0.0, TRUE);
|
|
|
|
if (flip_vertical)
|
|
gimp_drawable_transform_flip_simple (layer,
|
|
GIMP_ORIENTATION_VERTICAL,
|
|
TRUE, 0.0, TRUE);
|
|
}
|
|
|
|
gimp_drawable_flush (channel[0].drawable);
|
|
gimp_drawable_detach (channel[0].drawable);
|
|
|
|
for (i = 1; !worst_case && i < extra; ++i)
|
|
{
|
|
gimp_drawable_flush (channel[i].drawable);
|
|
gimp_drawable_detach (channel[i].drawable);
|
|
}
|
|
|
|
g_free (channel);
|
|
channel = NULL;
|
|
|
|
|
|
/* TODO: in GIMP 2.6, use a dialog to selectively enable the
|
|
* following code, as the save plug-in will then save layer offests
|
|
* as well.
|
|
*/
|
|
|
|
/* compute bounding box of all layers read so far */
|
|
if (min_col > layer_offset_x_pixel)
|
|
min_col = layer_offset_x_pixel;
|
|
if (min_row > layer_offset_y_pixel)
|
|
min_row = layer_offset_y_pixel;
|
|
|
|
if (max_col < layer_offset_x_pixel + cols)
|
|
max_col = layer_offset_x_pixel + cols;
|
|
if (max_row < layer_offset_y_pixel + rows)
|
|
max_row = layer_offset_y_pixel + rows;
|
|
|
|
/* position the layer */
|
|
if (layer_offset_x_pixel > 0 || layer_offset_y_pixel > 0)
|
|
{
|
|
gimp_layer_set_offsets (layer,
|
|
layer_offset_x_pixel, layer_offset_y_pixel);
|
|
}
|
|
|
|
|
|
if (ilayer > 0 && !alpha)
|
|
gimp_layer_add_alpha (layer);
|
|
|
|
gimp_image_add_layer (image, layer, -1);
|
|
|
|
if (target == GIMP_PAGE_SELECTOR_TARGET_IMAGES)
|
|
{
|
|
gimp_image_undo_enable (image);
|
|
gimp_image_clean_all (image);
|
|
}
|
|
|
|
gimp_progress_update (1.0);
|
|
}
|
|
|
|
if (target != GIMP_PAGE_SELECTOR_TARGET_IMAGES)
|
|
{
|
|
/* resize image to bounding box of all layers */
|
|
gimp_image_resize (image,
|
|
max_col - min_col, max_row - min_row,
|
|
-min_col, -min_row);
|
|
|
|
gimp_image_undo_enable (image);
|
|
}
|
|
else
|
|
{
|
|
images_list_temp = images_list;
|
|
|
|
if (images_list)
|
|
{
|
|
image = GPOINTER_TO_INT (images_list->data);
|
|
images_list = images_list->next;
|
|
}
|
|
|
|
while (images_list)
|
|
{
|
|
gimp_display_new (GPOINTER_TO_INT (images_list->data));
|
|
images_list = images_list->next;
|
|
}
|
|
|
|
g_list_free (images_list_temp);
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static void
|
|
load_rgba (TIFF *tif,
|
|
channel_data *channel)
|
|
{
|
|
uint32 imageWidth, imageLength;
|
|
uint32 row;
|
|
uint32 *buffer;
|
|
|
|
TIFFGetField (tif, TIFFTAG_IMAGEWIDTH, &imageWidth);
|
|
TIFFGetField (tif, TIFFTAG_IMAGELENGTH, &imageLength);
|
|
|
|
gimp_tile_cache_ntiles (1 + imageWidth / gimp_tile_width ());
|
|
|
|
gimp_pixel_rgn_init (&(channel[0].pixel_rgn), channel[0].drawable,
|
|
0, 0, imageWidth, imageLength, TRUE, FALSE);
|
|
|
|
buffer = g_new (uint32, imageWidth * imageLength);
|
|
channel[0].pixels = (guchar *) buffer;
|
|
|
|
if (!TIFFReadRGBAImage (tif, imageWidth, imageLength, buffer, 0))
|
|
g_message ("Unsupported layout, no RGBA loader");
|
|
|
|
for (row = 0; row < imageLength; ++row)
|
|
{
|
|
#if G_BYTE_ORDER != G_LITTLE_ENDIAN
|
|
/* Make sure our channels are in the right order */
|
|
uint32 i;
|
|
uint32 rowStart = row * imageWidth;
|
|
uint32 rowEnd = rowStart + imageWidth;
|
|
|
|
for (i = rowStart; i < rowEnd; i++)
|
|
buffer[i] = GUINT32_TO_LE (buffer[i]);
|
|
#endif
|
|
|
|
gimp_pixel_rgn_set_row (&(channel[0].pixel_rgn),
|
|
channel[0].pixels + row * imageWidth * 4,
|
|
0, imageLength -row -1, imageWidth);
|
|
|
|
if ((row % 32) == 0)
|
|
gimp_progress_update ((gdouble) row / (gdouble) imageLength);
|
|
}
|
|
}
|
|
|
|
static void
|
|
load_paths (TIFF *tif, gint image)
|
|
{
|
|
guint16 id;
|
|
gsize len, n_bytes, pos;
|
|
gchar *bytes, *name;
|
|
guint32 *val32;
|
|
guint16 *val16;
|
|
|
|
gint width, height;
|
|
gint path_index;
|
|
|
|
width = gimp_image_width (image);
|
|
height = gimp_image_height (image);
|
|
|
|
if (!TIFFGetField (tif, TIFFTAG_PHOTOSHOP, &n_bytes, &bytes))
|
|
return;
|
|
|
|
path_index = 0;
|
|
|
|
pos = 0;
|
|
|
|
while (pos < n_bytes)
|
|
{
|
|
if (n_bytes-pos < 7 ||
|
|
strncmp (bytes + pos, "8BIM", 4) != 0)
|
|
break;
|
|
pos += 4;
|
|
|
|
val16 = (guint16 *) (bytes + pos);
|
|
id = GUINT16_FROM_BE (*val16);
|
|
pos += 2;
|
|
|
|
/* g_printerr ("id: %x\n", id); */
|
|
len = (guchar) bytes[pos];
|
|
|
|
if (n_bytes - pos < len + 1)
|
|
break; /* block not big enough */
|
|
|
|
/*
|
|
* do we have the UTF-marker? is it valid UTF-8?
|
|
* if so, we assume an utf-8 encoded name, otherwise we
|
|
* assume iso8859-1
|
|
*/
|
|
name = bytes + pos + 1;
|
|
if (len >= 3 &&
|
|
name[0] == '\xEF' && name[1] == '\xBB' && name[2] == '\xBF' &&
|
|
g_utf8_validate (name, len, NULL))
|
|
{
|
|
name = g_strndup (name + 3, len - 3);
|
|
}
|
|
else
|
|
{
|
|
name = g_convert (name, len, "utf-8", "iso8859-1", NULL, NULL, NULL);
|
|
}
|
|
|
|
if (!name)
|
|
name = g_strdup ("(imported path)");
|
|
|
|
pos += len + 1;
|
|
|
|
if (pos % 2) /* padding */
|
|
pos++;
|
|
|
|
if (n_bytes - pos < 4)
|
|
break; /* block not big enough */
|
|
|
|
val32 = (guint32 *) (bytes + pos);
|
|
len = GUINT32_FROM_BE (*val32);
|
|
pos += 4;
|
|
|
|
if (n_bytes - pos < len)
|
|
break; /* block not big enough */
|
|
|
|
if (id >= 2000 && id <= 2998)
|
|
{
|
|
/* path information */
|
|
guint16 type;
|
|
gint rec = pos;
|
|
gint32 vectors;
|
|
gdouble *points = NULL;
|
|
gint expected_points = 0;
|
|
gint pointcount = 0;
|
|
gboolean closed = FALSE;
|
|
|
|
vectors = gimp_vectors_new (image, name);
|
|
gimp_image_add_vectors (image, vectors, path_index);
|
|
path_index++;
|
|
|
|
while (rec < pos + len)
|
|
{
|
|
/* path records */
|
|
val16 = (guint16 *) (bytes + rec);
|
|
type = GUINT16_FROM_BE (*val16);
|
|
|
|
switch (type)
|
|
{
|
|
case 0: /* new closed subpath */
|
|
case 3: /* new open subpath */
|
|
val16 = (guint16 *) (bytes + rec + 2);
|
|
expected_points = GUINT16_FROM_BE (*val16);
|
|
pointcount = 0;
|
|
closed = (type == 0);
|
|
|
|
if (n_bytes - rec < (expected_points + 1) * 26)
|
|
{
|
|
g_printerr ("not enough point records\n");
|
|
rec = pos + len;
|
|
continue;
|
|
}
|
|
|
|
if (points)
|
|
g_free (points);
|
|
points = g_new (gdouble, expected_points * 6);
|
|
break;
|
|
|
|
case 1: /* closed subpath bezier knot, linked */
|
|
case 2: /* closed subpath bezier knot, unlinked */
|
|
case 4: /* open subpath bezier knot, linked */
|
|
case 5: /* open subpath bezier knot, unlinked */
|
|
/* since we already know if the subpath is open
|
|
* or closed and since we don't differenciate between
|
|
* linked and unlinked, just treat all the same... */
|
|
|
|
if (pointcount < expected_points)
|
|
{
|
|
gint j;
|
|
gdouble f;
|
|
guint32 coord;
|
|
|
|
for (j = 0; j < 6; j++)
|
|
{
|
|
val32 = (guint32 *) (bytes + rec + 2 + j * 4);
|
|
coord = GUINT32_FROM_BE (*val32);
|
|
|
|
f = (double) ((gchar) ((coord >> 24) & 0xFF)) +
|
|
(double) (coord & 0x00FFFFFF) /
|
|
(double) 0xFFFFFF;
|
|
|
|
/* coords are stored with vertical component
|
|
* first, gimp expects the horizontal component
|
|
* first. Sigh. */
|
|
points[pointcount * 6 + (j ^ 1)] = f * (j % 2 ? width : height);
|
|
}
|
|
|
|
pointcount ++;
|
|
|
|
if (pointcount == expected_points)
|
|
{
|
|
gimp_vectors_stroke_new_from_points (vectors,
|
|
GIMP_VECTORS_STROKE_TYPE_BEZIER,
|
|
pointcount * 6,
|
|
points,
|
|
closed);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_printerr ("Oops - unexpected point record\n");
|
|
}
|
|
|
|
break;
|
|
|
|
case 6: /* path fill rule record */
|
|
case 7: /* clipboard record (?) */
|
|
case 8: /* initial fill rule record (?) */
|
|
/* we cannot use this information */
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
rec += 26;
|
|
}
|
|
|
|
if (points)
|
|
g_free (points);
|
|
}
|
|
|
|
pos += len;
|
|
|
|
if (pos % 2) /* padding */
|
|
pos++;
|
|
|
|
g_free (name);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
load_tiles (TIFF *tif,
|
|
channel_data *channel,
|
|
gushort bps,
|
|
gushort photomet,
|
|
gboolean alpha,
|
|
gboolean is_bw,
|
|
gint extra)
|
|
{
|
|
uint16 planar = PLANARCONFIG_CONTIG;
|
|
uint32 imageWidth, imageLength;
|
|
uint32 tileWidth, tileLength;
|
|
uint32 x, y, rows, cols;
|
|
guchar *buffer;
|
|
gdouble progress = 0.0, one_row;
|
|
gint i;
|
|
|
|
TIFFGetField (tif, TIFFTAG_PLANARCONFIG, &planar);
|
|
TIFFGetField (tif, TIFFTAG_IMAGEWIDTH, &imageWidth);
|
|
TIFFGetField (tif, TIFFTAG_IMAGELENGTH, &imageLength);
|
|
TIFFGetField (tif, TIFFTAG_TILEWIDTH, &tileWidth);
|
|
TIFFGetField (tif, TIFFTAG_TILELENGTH, &tileLength);
|
|
|
|
if (tileWidth > gimp_tile_width () || tileLength > gimp_tile_height ())
|
|
{
|
|
gimp_tile_cache_ntiles ((1 + tileWidth / gimp_tile_width ()) *
|
|
(1 + tileLength / gimp_tile_width ()));
|
|
}
|
|
|
|
one_row = (gdouble) tileLength / (gdouble) imageLength;
|
|
buffer = g_malloc (TIFFTileSize (tif));
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
{
|
|
channel[i].pixels = g_new (guchar,
|
|
tileWidth * tileLength *
|
|
channel[i].drawable->bpp);
|
|
}
|
|
|
|
for (y = 0; y < imageLength; y += tileLength)
|
|
{
|
|
for (x = 0; x < imageWidth; x += tileWidth)
|
|
{
|
|
gimp_progress_update (progress + one_row *
|
|
( (gdouble) x / (gdouble) imageWidth));
|
|
|
|
TIFFReadTile (tif, buffer, x, y, 0, 0);
|
|
|
|
cols = MIN (imageWidth - x, tileWidth);
|
|
rows = MIN (imageLength - y, tileLength);
|
|
|
|
if (bps == 16)
|
|
{
|
|
read_16bit (buffer, channel, photomet, y, x, rows, cols, alpha,
|
|
extra, tileWidth - cols);
|
|
}
|
|
else if (bps == 8)
|
|
{
|
|
read_8bit (buffer, channel, photomet, y, x, rows, cols, alpha,
|
|
extra, tileWidth - cols);
|
|
}
|
|
else if (is_bw)
|
|
{
|
|
read_bw (buffer, channel, y, x, rows, cols, tileWidth - cols);
|
|
}
|
|
else
|
|
{
|
|
read_default (buffer, channel, bps, photomet, y, x, rows, cols,
|
|
alpha, extra, tileWidth - cols);
|
|
}
|
|
}
|
|
|
|
progress += one_row;
|
|
}
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
g_free(channel[i].pixels);
|
|
|
|
g_free(buffer);
|
|
}
|
|
|
|
static void
|
|
load_lines (TIFF *tif,
|
|
channel_data *channel,
|
|
gushort bps,
|
|
gushort photomet,
|
|
gboolean alpha,
|
|
gboolean is_bw,
|
|
gint extra)
|
|
{
|
|
uint16 planar = PLANARCONFIG_CONTIG;
|
|
uint32 imageLength, lineSize, cols, rows;
|
|
guchar *buffer;
|
|
gint i, y;
|
|
gint tile_height = gimp_tile_height ();
|
|
|
|
TIFFGetField (tif, TIFFTAG_PLANARCONFIG, &planar);
|
|
TIFFGetField (tif, TIFFTAG_IMAGELENGTH, &imageLength);
|
|
TIFFGetField (tif, TIFFTAG_IMAGEWIDTH, &cols);
|
|
|
|
lineSize = TIFFScanlineSize (tif);
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
{
|
|
channel[i].pixels = g_new (guchar,
|
|
tile_height * cols * channel[i].drawable->bpp);
|
|
}
|
|
|
|
gimp_tile_cache_ntiles (1 + cols / gimp_tile_width ());
|
|
|
|
buffer = g_malloc (lineSize * tile_height);
|
|
|
|
if (planar == PLANARCONFIG_CONTIG)
|
|
{
|
|
for (y = 0; y < imageLength; y += tile_height )
|
|
{
|
|
gimp_progress_update ((gdouble) y / (gdouble) imageLength);
|
|
|
|
rows = MIN (tile_height, imageLength - y);
|
|
|
|
for (i = 0; i < rows; ++i)
|
|
TIFFReadScanline (tif, buffer + i * lineSize, y + i, 0);
|
|
|
|
if (bps == 16)
|
|
{
|
|
read_16bit (buffer, channel, photomet, y, 0, rows, cols,
|
|
alpha, extra, 0);
|
|
}
|
|
else if (bps == 8)
|
|
{
|
|
read_8bit (buffer, channel, photomet, y, 0, rows, cols,
|
|
alpha, extra, 0);
|
|
}
|
|
else if (is_bw)
|
|
{
|
|
read_bw (buffer, channel, y, 0, rows, cols, 0);
|
|
}
|
|
else
|
|
{
|
|
read_default (buffer, channel, bps, photomet, y, 0, rows, cols,
|
|
alpha, extra, 0);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ /* PLANARCONFIG_SEPARATE -- Just say "No" */
|
|
uint16 s, samples;
|
|
|
|
TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &samples);
|
|
|
|
for (s = 0; s < samples; ++s)
|
|
{
|
|
for (y = 0; y < imageLength; y += tile_height )
|
|
{
|
|
gimp_progress_update ((gdouble) y / (gdouble) imageLength);
|
|
|
|
rows = MIN (tile_height, imageLength - y);
|
|
for (i = 0; i < rows; ++i)
|
|
TIFFReadScanline(tif, buffer + i * lineSize, y + i, s);
|
|
|
|
read_separate (buffer, channel, bps, photomet,
|
|
y, 0, rows, cols, alpha, extra, s);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
g_free(channel[i].pixels);
|
|
|
|
g_free(buffer);
|
|
}
|
|
|
|
static void
|
|
read_16bit (const guchar *source,
|
|
channel_data *channel,
|
|
gushort photomet,
|
|
gint startrow,
|
|
gint startcol,
|
|
gint rows,
|
|
gint cols,
|
|
gboolean alpha,
|
|
gint extra,
|
|
gint align)
|
|
{
|
|
guchar *dest;
|
|
gint gray_val, red_val, green_val, blue_val, alpha_val;
|
|
gint col, row, i;
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
{
|
|
gimp_pixel_rgn_init (&(channel[i].pixel_rgn), channel[i].drawable,
|
|
startcol, startrow, cols, rows, TRUE, FALSE);
|
|
}
|
|
|
|
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
source++; /* offset source once, to look at the high byte */
|
|
#endif
|
|
|
|
for (row = 0; row < rows; ++row)
|
|
{
|
|
dest = channel[0].pixels + row * cols * channel[0].drawable->bpp;
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
channel[i].pixel = channel[i].pixels + row * cols;
|
|
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
}
|
|
else
|
|
{
|
|
gray_val = *source; source += 2;
|
|
alpha_val = *source; source += 2;
|
|
gray_val = MIN (gray_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
*dest++ = gray_val * 255 / alpha_val;
|
|
else
|
|
*dest++ = 0;
|
|
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = *source; source += 2;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
}
|
|
else
|
|
{
|
|
gray_val = *source; source += 2;
|
|
alpha_val = *source; source += 2;
|
|
gray_val = MIN (gray_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
*dest++ = ((alpha_val - gray_val) * 255) / alpha_val;
|
|
else
|
|
*dest++ = 0;
|
|
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = ~(*source); source += 2;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_PALETTE:
|
|
*dest++= *source; source += 2;
|
|
if (alpha) *dest++= *source; source += 2;
|
|
break;
|
|
|
|
case PHOTOMETRIC_RGB:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
}
|
|
else
|
|
{
|
|
red_val = *source; source += 2;
|
|
green_val = *source; source += 2;
|
|
blue_val = *source; source += 2;
|
|
alpha_val = *source; source += 2;
|
|
red_val = MIN (red_val, alpha_val);
|
|
green_val = MIN (green_val, alpha_val);
|
|
blue_val = MIN (blue_val, alpha_val);
|
|
if (alpha_val)
|
|
{
|
|
*dest++ = (red_val * 255) / alpha_val;
|
|
*dest++ = (green_val * 255) / alpha_val;
|
|
*dest++ = (blue_val * 255) / alpha_val;
|
|
}
|
|
else
|
|
{
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
}
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
*dest++ = *source; source += 2;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* This case was handled earlier */
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
{
|
|
*channel[i].pixel++ = *source; source += 2;
|
|
}
|
|
}
|
|
|
|
if (align)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
case PHOTOMETRIC_PALETTE:
|
|
source += align * (1 + alpha + extra) * 2;
|
|
break;
|
|
case PHOTOMETRIC_RGB:
|
|
source += align * (3 + alpha + extra) * 2;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
gimp_pixel_rgn_set_rect (&(channel[i].pixel_rgn), channel[i].pixels,
|
|
startcol, startrow, cols, rows);
|
|
}
|
|
|
|
static void
|
|
read_8bit (const guchar *source,
|
|
channel_data *channel,
|
|
gushort photomet,
|
|
gint startrow,
|
|
gint startcol,
|
|
gint rows,
|
|
gint cols,
|
|
gboolean alpha,
|
|
gint extra,
|
|
gint align)
|
|
{
|
|
guchar *dest;
|
|
gint gray_val, red_val, green_val, blue_val, alpha_val;
|
|
gint col, row, i;
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
{
|
|
gimp_pixel_rgn_init (&(channel[i].pixel_rgn), channel[i].drawable,
|
|
startcol, startrow, cols, rows, TRUE, FALSE);
|
|
}
|
|
|
|
for (row = 0; row < rows; ++row)
|
|
{
|
|
dest = channel[0].pixels + row * cols * channel[0].drawable->bpp;
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
channel[i].pixel = channel[i].pixels + row * cols;
|
|
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source++;
|
|
*dest++ = *source; source++;
|
|
}
|
|
else
|
|
{
|
|
gray_val = *source++;
|
|
alpha_val = *source++;
|
|
gray_val = MIN(gray_val, alpha_val);
|
|
if (alpha_val)
|
|
*dest++ = gray_val * 255 / alpha_val;
|
|
else
|
|
*dest++ = 0;
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = *source++;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source++;
|
|
*dest++ = *source; source++;
|
|
}
|
|
else
|
|
{
|
|
gray_val = *source++;
|
|
alpha_val = *source++;
|
|
gray_val = MIN (gray_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
*dest++ = ((alpha_val - gray_val) * 255) / alpha_val;
|
|
else
|
|
*dest++ = 0;
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = ~(*source++);
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_PALETTE:
|
|
*dest++= *source++;
|
|
if (alpha)
|
|
*dest++= *source++;
|
|
break;
|
|
|
|
case PHOTOMETRIC_RGB:
|
|
if (alpha)
|
|
{
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = *source; source++;
|
|
*dest++ = *source; source++;
|
|
*dest++ = *source; source++;
|
|
*dest++ = *source; source++;
|
|
}
|
|
else
|
|
{
|
|
red_val = *source++;
|
|
green_val = *source++;
|
|
blue_val = *source++;
|
|
alpha_val = *source++;
|
|
red_val = MIN (red_val, alpha_val);
|
|
blue_val = MIN (blue_val, alpha_val);
|
|
green_val = MIN (green_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
{
|
|
*dest++ = (red_val * 255) / alpha_val;
|
|
*dest++ = (green_val * 255) / alpha_val;
|
|
*dest++ = (blue_val * 255) / alpha_val;
|
|
}
|
|
else
|
|
{
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
}
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = *source++;
|
|
*dest++ = *source++;
|
|
*dest++ = *source++;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* This case was handled earlier */
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
*channel[i].pixel++ = *source++;
|
|
}
|
|
|
|
if (align)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
case PHOTOMETRIC_PALETTE:
|
|
source += align * (1 + alpha + extra);
|
|
break;
|
|
case PHOTOMETRIC_RGB:
|
|
source += align * (3 + alpha + extra);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
gimp_pixel_rgn_set_rect(&(channel[i].pixel_rgn), channel[i].pixels,
|
|
startcol, startrow, cols, rows);
|
|
}
|
|
|
|
static void
|
|
read_bw (const guchar *source,
|
|
channel_data *channel,
|
|
gint startrow,
|
|
gint startcol,
|
|
gint rows,
|
|
gint cols,
|
|
gint align)
|
|
{
|
|
guchar *dest;
|
|
gint col, row;
|
|
|
|
gimp_pixel_rgn_init (&(channel[0].pixel_rgn), channel[0].drawable,
|
|
startcol, startrow, cols, rows, TRUE, FALSE);
|
|
|
|
for (row = 0; row < rows; ++row)
|
|
{
|
|
dest = channel[0].pixels + row * cols * channel[0].drawable->bpp;
|
|
|
|
col = cols;
|
|
|
|
while (col >= 8)
|
|
{
|
|
memcpy (dest, bit2byte + *source * 8, 8);
|
|
dest += 8;
|
|
col -= 8;
|
|
source++;
|
|
}
|
|
|
|
if (col > 0)
|
|
{
|
|
memcpy (dest, bit2byte + *source * 8, col);
|
|
dest += col;
|
|
source++;
|
|
}
|
|
|
|
source += align;
|
|
}
|
|
|
|
gimp_pixel_rgn_set_rect(&(channel[0].pixel_rgn), channel[0].pixels,
|
|
startcol, startrow, cols, rows);
|
|
}
|
|
|
|
/* Step through all <= 8-bit samples in an image */
|
|
|
|
#define NEXTSAMPLE(var) \
|
|
{ \
|
|
if (bitsleft == 0) \
|
|
{ \
|
|
source++; \
|
|
bitsleft = 8; \
|
|
} \
|
|
bitsleft -= bps; \
|
|
var = ( *source >> bitsleft ) & maxval; \
|
|
}
|
|
|
|
static void
|
|
read_default (const guchar *source,
|
|
channel_data *channel,
|
|
gushort bps,
|
|
gushort photomet,
|
|
gint startrow,
|
|
gint startcol,
|
|
gint rows,
|
|
gint cols,
|
|
gboolean alpha,
|
|
gint extra,
|
|
gint align)
|
|
{
|
|
guchar *dest;
|
|
gint gray_val, red_val, green_val, blue_val, alpha_val;
|
|
gint col, row, i;
|
|
gint bitsleft = 8, maxval = (1 << bps) - 1;
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
{
|
|
gimp_pixel_rgn_init (&(channel[i].pixel_rgn), channel[i].drawable,
|
|
startcol, startrow, cols, rows, TRUE, FALSE);
|
|
}
|
|
|
|
for (row = 0; row < rows; ++row)
|
|
{
|
|
dest = channel[0].pixels + row * cols * channel[0].drawable->bpp;
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
channel[i].pixel = channel[i].pixels + row * cols;
|
|
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
NEXTSAMPLE (gray_val);
|
|
if (alpha)
|
|
{
|
|
NEXTSAMPLE (alpha_val);
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = (gray_val * 255) / maxval;
|
|
*dest++ = alpha_val;
|
|
}
|
|
else
|
|
{
|
|
gray_val = MIN (gray_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
*dest++ = (gray_val * 65025) / (alpha_val * maxval);
|
|
else
|
|
*dest++ = 0;
|
|
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = (gray_val * 255) / maxval;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
NEXTSAMPLE (gray_val);
|
|
if (alpha)
|
|
{
|
|
NEXTSAMPLE (alpha_val);
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = ((maxval - gray_val) * 255) / maxval;
|
|
*dest++ = alpha_val;
|
|
}
|
|
else
|
|
{
|
|
gray_val = MIN (gray_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
*dest++ = ((maxval - gray_val) * 65025) /
|
|
(alpha_val * maxval);
|
|
else
|
|
*dest++ = 0;
|
|
|
|
*dest++ = alpha_val;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
*dest++ = ((maxval - gray_val) * 255) / maxval;
|
|
}
|
|
break;
|
|
|
|
case PHOTOMETRIC_PALETTE:
|
|
NEXTSAMPLE (*dest++);
|
|
if (alpha)
|
|
NEXTSAMPLE (*dest++);
|
|
break;
|
|
|
|
case PHOTOMETRIC_RGB:
|
|
NEXTSAMPLE (red_val);
|
|
NEXTSAMPLE (green_val);
|
|
NEXTSAMPLE (blue_val);
|
|
if (alpha)
|
|
{
|
|
NEXTSAMPLE (alpha_val);
|
|
if (tsvals.save_transp_pixels)
|
|
{
|
|
*dest++ = red_val;
|
|
*dest++ = green_val;
|
|
*dest++ = blue_val;
|
|
*dest++ = alpha_val;
|
|
}
|
|
else
|
|
{
|
|
red_val = MIN (red_val, alpha_val);
|
|
blue_val = MIN (blue_val, alpha_val);
|
|
green_val = MIN (green_val, alpha_val);
|
|
|
|
if (alpha_val)
|
|
{
|
|
*dest++ = (red_val * 255) / alpha_val;
|
|
*dest++ = (green_val * 255) / alpha_val;
|
|
*dest++ = (blue_val * 255) / alpha_val;
|
|
}
|
|
else
|
|
{
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
*dest++ = 0;
|
|
}
|
|
|
|
*dest++ = alpha_val;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*dest++ = red_val;
|
|
*dest++ = green_val;
|
|
*dest++ = blue_val;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* This case was handled earlier */
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
for (i = 1; i <= extra; ++i)
|
|
{
|
|
NEXTSAMPLE(alpha_val);
|
|
*channel[i].pixel++ = alpha_val;
|
|
}
|
|
}
|
|
|
|
if (align)
|
|
{
|
|
switch (photomet)
|
|
{
|
|
case PHOTOMETRIC_MINISBLACK:
|
|
case PHOTOMETRIC_MINISWHITE:
|
|
case PHOTOMETRIC_PALETTE:
|
|
for (i = 0; i < align * (1 + alpha + extra); ++i)
|
|
NEXTSAMPLE (alpha_val);
|
|
break;
|
|
case PHOTOMETRIC_RGB:
|
|
for (i = 0; i < align * (3 + alpha + extra); ++i)
|
|
NEXTSAMPLE (alpha_val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
bitsleft = 0;
|
|
}
|
|
|
|
for (i = 0; i <= extra; ++i)
|
|
gimp_pixel_rgn_set_rect (&(channel[i].pixel_rgn), channel[i].pixels,
|
|
startcol, startrow, cols, rows);
|
|
}
|
|
|
|
static void
|
|
read_separate (const guchar *source,
|
|
channel_data *channel,
|
|
gushort bps,
|
|
gushort photomet,
|
|
gint startrow,
|
|
gint startcol,
|
|
gint rows,
|
|
gint cols,
|
|
gboolean alpha,
|
|
gint extra,
|
|
gint sample)
|
|
{
|
|
guchar *dest;
|
|
gint col, row, c;
|
|
gint bitsleft = 8, maxval = (1 << bps) - 1;
|
|
|
|
if (bps > 8)
|
|
{
|
|
g_message ("Unsupported layout");
|
|
gimp_quit ();
|
|
}
|
|
|
|
if (sample < channel[0].drawable->bpp)
|
|
{
|
|
c = 0;
|
|
}
|
|
else
|
|
{
|
|
c = (sample - channel[0].drawable->bpp) + 4;
|
|
photomet = PHOTOMETRIC_MINISBLACK;
|
|
}
|
|
|
|
gimp_pixel_rgn_init (&(channel[c].pixel_rgn), channel[c].drawable,
|
|
startcol, startrow, cols, rows, TRUE, FALSE);
|
|
|
|
gimp_pixel_rgn_get_rect (&(channel[c].pixel_rgn), channel[c].pixels,
|
|
startcol, startrow, cols, rows);
|
|
|
|
for (row = 0; row < rows; ++row)
|
|
{
|
|
dest = channel[c].pixels + row * cols * channel[c].drawable->bpp;
|
|
|
|
if (c == 0)
|
|
{
|
|
for (col = 0; col < cols; ++col)
|
|
NEXTSAMPLE(dest[col * channel[0].drawable->bpp + sample]);
|
|
}
|
|
else
|
|
{
|
|
for (col = 0; col < cols; ++col)
|
|
NEXTSAMPLE(dest[col]);
|
|
}
|
|
}
|
|
|
|
gimp_pixel_rgn_set_rect (&(channel[c].pixel_rgn), channel[c].pixels,
|
|
startcol, startrow, cols, rows);
|
|
}
|
|
|
|
static void
|
|
fill_bit2byte(void)
|
|
{
|
|
static gboolean filled = FALSE;
|
|
|
|
guchar *dest;
|
|
gint i, j;
|
|
|
|
if (filled)
|
|
return;
|
|
|
|
dest = bit2byte;
|
|
|
|
for (j = 0; j < 256; j++)
|
|
for (i = 7; i >= 0; i--)
|
|
*(dest++) = ((j & (1 << i)) != 0);
|
|
|
|
filled = TRUE;
|
|
}
|