add jp2ksave
works, but not quite done
This commit is contained in:
John Cupitt
parent
1bcaab00a6
commit
454f448c5b
@ -20,7 +20,8 @@
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- add vips_fitsload_source(), vips_niftiload_source()
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- png and gif load note background colour as metadata [781545872]
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- add vips_image_[set|get]_array_double()
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- add vips_jp2kload(), vips_jp2kload_source()
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- add vips_jp2kload(), vips_jp2kload_source(), vips_jp2ksave(),
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vips_jp2ksave_target()
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22/12/20 start 8.10.6
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- don't seek on bad file descriptors [kleisauke]
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@ -17,6 +17,7 @@ libforeign_la_SOURCES = \
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heifload.c \
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heifsave.c \
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jp2kload.c \
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jp2ksave.c \
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jpeg2vips.c \
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jpeg.h \
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jpegload.c \
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@ -2178,6 +2178,8 @@ vips_foreign_operation_init( void )
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extern GType vips_foreign_load_jp2k_file_get_type( void );
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extern GType vips_foreign_load_jp2k_source_get_type( void );
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extern GType vips_foreign_save_jp2k_file_get_type( void );
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extern GType vips_foreign_save_jp2k_target_get_type( void );
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extern GType vips_foreign_load_heif_file_get_type( void );
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extern GType vips_foreign_load_heif_buffer_get_type( void );
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@ -2252,6 +2254,8 @@ vips_foreign_operation_init( void )
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#ifdef HAVE_LIBOPENJP2
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vips_foreign_load_jp2k_file_get_type();
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vips_foreign_load_jp2k_source_get_type();
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vips_foreign_save_jp2k_file_get_type();
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vips_foreign_save_jp2k_target_get_type();
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#endif /*HAVE_LIBOPENJP2*/
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#ifdef HAVE_GIFLIB
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@ -1,10 +1,7 @@
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/* load jp2k from a file
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/* load jpeg2000
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*
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* 29/6/18
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* - from fitsload.c
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* 9/9/19
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* - use double for all floating point scalar metadata, like other loaders
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* - remove stray use of "n" property
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* 18/3/20
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* - from heifload.c
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*/
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/*
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@ -59,10 +56,17 @@
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#include "pforeign.h"
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/* TODO:
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* - we only support 8 and 16-bit images, is this OK?
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*
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* - we only support images where all components have the same numeric
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* type, is this OK?
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* - set alpha on save
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*
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* - params for compression ratio, chrominance subsampling, etc. ...
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* imagemagick jp2 files are half the size of ours
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*
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* - we only support 8 and 16-bit unsigned images ... add 32-bit, plus
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* signed and unsigned
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*
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* - tests
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*
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*/
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/* Surely enough ... does anyone do multispectral imaging with jp2k?
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@ -94,10 +98,6 @@ typedef struct _VipsForeignLoadJp2k {
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* corrupted images.
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*/
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int n_errors;
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/* An array of int* plane pointers for unpack.
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*/
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int *planes[MAX_BANDS];
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} VipsForeignLoadJp2k;
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typedef VipsForeignLoadClass VipsForeignLoadJp2kClass;
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@ -423,18 +423,18 @@ vips_foreign_load_jp2k_set_header( VipsForeignLoadJp2k *jp2k, VipsImage *out )
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}
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switch( jp2k->image->color_space ) {
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case OPJ_CLRSPC_SRGB:
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interpretation = format == VIPS_FORMAT_UCHAR ?
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VIPS_INTERPRETATION_sRGB :
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VIPS_INTERPRETATION_RGB16;
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break;
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case OPJ_CLRSPC_GRAY:
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interpretation = format == VIPS_FORMAT_UCHAR ?
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VIPS_INTERPRETATION_B_W :
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VIPS_INTERPRETATION_GREY16;
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break;
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case OPJ_CLRSPC_SRGB:
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interpretation = format == VIPS_FORMAT_UCHAR ?
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VIPS_INTERPRETATION_sRGB :
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VIPS_INTERPRETATION_RGB16;
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break;
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case OPJ_CLRSPC_CMYK:
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interpretation = VIPS_INTERPRETATION_CMYK;
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break;
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@ -506,11 +506,8 @@ vips_foreign_load_jp2k_header( VipsForeignLoad *load )
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jp2k->format = vips_foreign_load_jp2k_get_format( jp2k->source );
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vips_source_rewind( jp2k->source );
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if( !(jp2k->codec = opj_create_decompress( jp2k->format )) ) {
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vips_error( class->nickname,
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"%s", _( "format not supported by openjpeg" ) );
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if( !(jp2k->codec = opj_create_decompress( jp2k->format )) )
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return( -1 );
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}
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vips_foreign_load_jp2k_attach_handlers( jp2k, jp2k->codec );
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@ -525,11 +522,8 @@ vips_foreign_load_jp2k_header( VipsForeignLoad *load )
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if( !opj_read_header( jp2k->stream, jp2k->codec, &jp2k->image ) )
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return( -1 );
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if( !(jp2k->info = opj_get_cstr_info( jp2k->codec )) ) {
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vips_error( class->nickname,
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"%s", _( "unable to read codec info" ) );
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if( !(jp2k->info = opj_get_cstr_info( jp2k->codec )) )
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return( -1 );
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}
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if( jp2k->image->numcomps > MAX_BANDS ) {
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vips_error( class->nickname,
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"%s", _( "too many image bands" ) );
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@ -565,7 +559,7 @@ vips_foreign_load_jp2k_repack( VipsForeignLoadJp2k *jp2k,
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VipsImage *image, VipsPel *q,
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int left, int top, int length )
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{
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int **planes = jp2k->planes;
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int *planes[MAX_BANDS];
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int b = jp2k->image->numcomps;
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int x, i;
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@ -686,12 +680,8 @@ vips_foreign_load_jp2k_generate( VipsRegion *out,
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}
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if( load->fail &&
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jp2k->n_errors > 0 ) {
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VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( jp2k );
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vips_error( class->nickname, "%s", _( "load error" ) );
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jp2k->n_errors > 0 )
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return( -1 );
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}
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return( 0 );
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}
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@ -803,7 +793,7 @@ vips_foreign_load_jp2k_file_build( VipsObject *object )
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return( 0 );
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}
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const char *vips_foreign_jp2k_suffs[] =
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const char *vips__jp2k_suffs[] =
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{ ".j2k", ".jp2", ".jpt", ".j2c", ".jpc", NULL };
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static int
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@ -835,7 +825,7 @@ vips_foreign_load_jp2k_file_class_init(
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object_class->nickname = "jp2kload";
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object_class->build = vips_foreign_load_jp2k_file_build;
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foreign_class->suffs = vips_foreign_jp2k_suffs;
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foreign_class->suffs = vips__jp2k_suffs;
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load_class->is_a = vips_foreign_load_jp2k_is_a;
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666
libvips/foreign/jp2ksave.c
Normal file
666
libvips/foreign/jp2ksave.c
Normal file
@ -0,0 +1,666 @@
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/* save as jpeg2000
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*
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* 18/3/20
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* - from jp2kload.c
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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/*
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#define DEBUG_VERBOSE
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#define DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <vips/vips.h>
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#include <vips/internal.h>
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#ifdef HAVE_LIBOPENJP2
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#include <openjpeg.h>
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#include "pforeign.h"
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/* Surely enough ... does anyone do multispectral imaging with jp2k?
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*/
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#define MAX_BANDS (100)
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typedef struct _VipsForeignSaveJp2k {
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VipsForeignSave parent_object;
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/* Where to write (set by subclasses).
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*/
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VipsTarget *target;
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int tile_width;
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int tile_height;
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/* Encoder state.
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*/
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opj_stream_t *stream;
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opj_codec_t *codec;
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opj_cparameters_t parameters;
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opj_image_cmptparm_t comps[MAX_BANDS];
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opj_image_t *image;
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/* The line of tiles we are building, and a contiguous buffer we
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* repack to for output.
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*/
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VipsRegion *strip;
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VipsPel *tile_buffer;
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} VipsForeignSaveJp2k;
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typedef VipsForeignSaveClass VipsForeignSaveJp2kClass;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveJp2k, vips_foreign_save_jp2k,
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VIPS_TYPE_FOREIGN_SAVE );
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static void
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vips_foreign_save_jp2k_dispose( GObject *gobject )
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{
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VipsForeignSaveJp2k *jp2k = (VipsForeignSaveJp2k *) gobject;
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VIPS_FREEF( opj_destroy_codec, jp2k->codec );
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VIPS_FREEF( opj_stream_destroy, jp2k->stream );
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VIPS_FREEF( opj_image_destroy, jp2k->image );
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VIPS_UNREF( jp2k->target );
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VIPS_UNREF( jp2k->strip );
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VIPS_FREE( jp2k->tile_buffer );
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G_OBJECT_CLASS( vips_foreign_save_jp2k_parent_class )->
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dispose( gobject );
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}
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static OPJ_SIZE_T
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vips_foreign_save_jp2k_write_target( void *buffer, size_t length, void *client )
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{
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VipsTarget *target = VIPS_TARGET( client );
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if( vips_target_write( target, buffer, length ) )
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return( 0 );
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return( length );
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}
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/* Make a libopenjp2 output stream that wraps a VipsTarget.
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*/
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static opj_stream_t *
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vips_foreign_save_jp2k_target( VipsTarget *target )
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{
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opj_stream_t *stream;
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/* FALSE means a write stream.
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*/
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if( !(stream = opj_stream_create( OPJ_J2K_STREAM_CHUNK_SIZE, FALSE )) )
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return( NULL );
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opj_stream_set_user_data( stream, target, NULL );
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opj_stream_set_write_function( stream,
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vips_foreign_save_jp2k_write_target );
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return( stream );
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}
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static void
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vips_foreign_save_jp2k_error_callback( const char *msg, void *client )
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{
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VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( client );
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vips_error( class->nickname, "%s", msg );
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}
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/* The openjpeg info and warning callbacks are incredibly chatty.
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*/
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static void
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vips_foreign_save_jp2k_warning_callback( const char *msg, void *client )
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{
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#ifdef DEBUG
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VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( client );
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g_warning( "%s: %s", class->nickname, msg );
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#endif /*DEBUG*/
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}
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/* The openjpeg info and warning callbacks are incredibly chatty.
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*/
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static void
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vips_foreign_save_jp2k_info_callback( const char *msg, void *client )
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{
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#ifdef DEBUG
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VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( client );
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g_info( "%s: %s", class->nickname, msg );
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#endif /*DEBUG*/
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}
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static void
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vips_foreign_save_jp2k_attach_handlers( VipsForeignSaveJp2k *jp2k,
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opj_codec_t *codec )
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{
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opj_set_info_handler( codec,
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vips_foreign_save_jp2k_info_callback, jp2k );
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opj_set_warning_handler( codec,
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vips_foreign_save_jp2k_warning_callback, jp2k );
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opj_set_error_handler( codec,
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vips_foreign_save_jp2k_error_callback, jp2k );
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}
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#define UNPACK( TYPE ) { \
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TYPE **tplanes = (TYPE **) planes; \
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TYPE *tp = (TYPE *) p; \
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\
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for( x = 0; x < tile->width; x++ ) \
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for( i = 0; i < b; i++ ) \
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*(tplanes[i])++ = *tp++; \
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}
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static void
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vips_foreign_save_jp2k_unpack( VipsForeignSaveJp2k *jp2k, VipsRect *tile )
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{
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VipsForeignSave *save = (VipsForeignSave *) jp2k;
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size_t sizeof_element = VIPS_IMAGE_SIZEOF_ELEMENT( save->ready );
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int b = save->ready->Bands;
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VipsPel *planes[MAX_BANDS];
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int x, y, i;
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for( i = 0; i < b; i++ )
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planes[i] = jp2k->tile_buffer +
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i * sizeof_element * tile->width * tile->height;
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for( y = 0; y < tile->height; y++ ) {
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VipsPel *p = VIPS_REGION_ADDR( jp2k->strip,
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tile->left, tile->top + y );
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switch( save->ready->BandFmt ) {
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case VIPS_FORMAT_UCHAR:
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UNPACK( unsigned char );
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break;
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case VIPS_FORMAT_USHORT:
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UNPACK( unsigned short );
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break;
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default:
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g_assert_not_reached();
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break;
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}
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}
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}
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static int
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vips_foreign_save_jp2k_write_tiles( VipsForeignSaveJp2k *jp2k )
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{
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VipsForeignSave *save = (VipsForeignSave *) jp2k;
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size_t sizeof_pel = VIPS_IMAGE_SIZEOF_PEL( save->ready );
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int tiles_across =
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VIPS_ROUND_UP( save->ready->Xsize, jp2k->tile_width ) /
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jp2k->tile_width;
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int x;
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for( x = 0; x < save->ready->Xsize; x += jp2k->tile_width ) {
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VipsRect tile;
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size_t sizeof_tile;
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int tile_index;
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tile.left = x;
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tile.top = jp2k->strip->valid.top;
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tile.width = jp2k->tile_width;
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tile.height = jp2k->tile_height;
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vips_rect_intersectrect( &tile, &jp2k->strip->valid, &tile );
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vips_foreign_save_jp2k_unpack( jp2k, &tile );
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sizeof_tile = sizeof_pel * tile.width * tile.height;
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tile_index = tiles_across * tile.top / jp2k->tile_height +
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x / jp2k->tile_width;
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if( !opj_write_tile( jp2k->codec, tile_index,
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jp2k->tile_buffer, sizeof_tile, jp2k->stream ) )
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return( -1 );
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}
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return( 0 );
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}
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static int
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vips_foreign_save_jp2k_write_block( VipsRegion *region, VipsRect *area,
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void *a )
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{
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VipsForeignSaveJp2k *jp2k = (VipsForeignSaveJp2k *) a;
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VipsForeignSave *save = (VipsForeignSave *) jp2k;
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#ifdef DEBUG_VERBOSE
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printf( "vips_foreign_save_jp2k_write_block: y = %d, nlines = %d\n",
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area->top, area->height );
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#endif /*DEBUG_VERBOSE*/
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for(;;) {
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VipsRect hit;
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int y;
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VipsRect strip_position;
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/* The intersection with the strip is the fresh pixels we
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* have.
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*/
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vips_rect_intersectrect( area, &(jp2k->strip->valid), &hit );
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/* Copy the new pixels into the strip.
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*/
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for( y = 0; y < hit.height; y++ ) {
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VipsPel *p = VIPS_REGION_ADDR( region,
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0, hit.top + y );
|
||||
VipsPel *q = VIPS_REGION_ADDR( jp2k->strip,
|
||||
0, hit.top + y );
|
||||
|
||||
memcpy( q, p, VIPS_IMAGE_SIZEOF_LINE( region->im ) );
|
||||
}
|
||||
|
||||
/* Have we failed to reach the bottom of the strip? We must
|
||||
* have run out of fresh pixels, so we are done.
|
||||
*/
|
||||
if( VIPS_RECT_BOTTOM( &hit ) !=
|
||||
VIPS_RECT_BOTTOM( &jp2k->strip->valid ) )
|
||||
break;
|
||||
|
||||
/* We have reached the bottom of the strip. Write this line of
|
||||
* pixels and ove the strip down.
|
||||
*/
|
||||
if( vips_foreign_save_jp2k_write_tiles( jp2k ) )
|
||||
return( -1 );
|
||||
|
||||
strip_position.left = 0;
|
||||
strip_position.top = jp2k->strip->valid.top + jp2k->tile_height;
|
||||
strip_position.width = save->ready->Xsize;
|
||||
strip_position.height = jp2k->tile_height;
|
||||
if( vips_region_buffer( jp2k->strip, &strip_position ) )
|
||||
return( -1 );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static int
|
||||
vips_foreign_save_jp2k_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSave *save = (VipsForeignSave *) object;
|
||||
VipsForeignSaveJp2k *jp2k = (VipsForeignSaveJp2k *) object;
|
||||
|
||||
OPJ_COLOR_SPACE color_space;
|
||||
int expected_bands;
|
||||
int i;
|
||||
size_t sizeof_tile;
|
||||
VipsRect strip_position;
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_jp2k_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
/* A JPEG2000 codestream.
|
||||
*/
|
||||
jp2k->codec = opj_create_compress( OPJ_CODEC_J2K );
|
||||
|
||||
vips_foreign_save_jp2k_attach_handlers( jp2k, jp2k->codec );
|
||||
|
||||
opj_set_default_encoder_parameters( &jp2k->parameters );
|
||||
|
||||
/* Always tile.
|
||||
*/
|
||||
jp2k->parameters.tile_size_on = OPJ_TRUE;
|
||||
jp2k->parameters.cp_tdx = jp2k->tile_width;
|
||||
jp2k->parameters.cp_tdy = jp2k->tile_height;
|
||||
|
||||
/*
|
||||
jp2k->parameters.tcp_numlayers = 1;
|
||||
jp2k->parameters.decod_format = 17;
|
||||
jp2k->parameters.tcp_mct = 1;
|
||||
*/
|
||||
|
||||
/* Enable YCC encoding for RGB images.
|
||||
if ((parameters.tcp_mct == 1) && (image->numcomps < 3)) {
|
||||
fprintf(stderr, "RGB->YCC conversion cannot be used:\n");
|
||||
fprintf(stderr, "Input image has less than 3 components\n");
|
||||
*/
|
||||
|
||||
/* CIELAB etc. do not seem to be well documented.
|
||||
*/
|
||||
switch( save->ready->Type ) {
|
||||
case VIPS_INTERPRETATION_B_W:
|
||||
case VIPS_INTERPRETATION_GREY16:
|
||||
color_space = OPJ_CLRSPC_GRAY;
|
||||
expected_bands = 1;
|
||||
break;
|
||||
|
||||
case VIPS_INTERPRETATION_sRGB:
|
||||
case VIPS_INTERPRETATION_RGB16:
|
||||
color_space = OPJ_CLRSPC_SRGB;
|
||||
expected_bands = 3;
|
||||
break;
|
||||
|
||||
case VIPS_INTERPRETATION_CMYK:
|
||||
color_space = OPJ_CLRSPC_CMYK;
|
||||
expected_bands = 4;
|
||||
break;
|
||||
|
||||
default:
|
||||
color_space = OPJ_CLRSPC_UNSPECIFIED;
|
||||
expected_bands = save->ready->Bands;
|
||||
break;
|
||||
}
|
||||
|
||||
for( i = 0; i < save->ready->Bands; i++ ) {
|
||||
jp2k->comps[i].dx = 1;
|
||||
jp2k->comps[i].dy = 1;
|
||||
jp2k->comps[i].w = save->ready->Xsize;
|
||||
jp2k->comps[i].h = save->ready->Ysize;
|
||||
jp2k->comps[i].x0 = 0;
|
||||
jp2k->comps[i].y0 = 0;
|
||||
jp2k->comps[i].prec = jp2k->comps[i].bpp =
|
||||
save->ready->BandFmt == VIPS_FORMAT_UCHAR ? 8 : 16;
|
||||
jp2k->comps[i].sgnd = 0;
|
||||
//jp2k->comps[i].alpha = i >= expected_bands;
|
||||
}
|
||||
jp2k->image = opj_image_create( save->ready->Bands,
|
||||
jp2k->comps, color_space );
|
||||
jp2k->image->x1 = save->ready->Xsize;
|
||||
jp2k->image->y1 = save->ready->Ysize;
|
||||
|
||||
if( !opj_setup_encoder( jp2k->codec, &jp2k->parameters, jp2k->image ) )
|
||||
return( -1 );
|
||||
|
||||
opj_codec_set_threads( jp2k->codec, vips_concurrency_get() );
|
||||
|
||||
if( !(jp2k->stream = vips_foreign_save_jp2k_target( jp2k->target )) )
|
||||
return( -1 );
|
||||
|
||||
if( !opj_start_compress( jp2k->codec, jp2k->image, jp2k->stream ) )
|
||||
return( -1 );
|
||||
|
||||
/* The buffer we repack tiles to for write. Large enough for one
|
||||
* complete tile.
|
||||
*/
|
||||
sizeof_tile = VIPS_IMAGE_SIZEOF_PEL( save->ready ) *
|
||||
jp2k->tile_width * jp2k->tile_height;
|
||||
if( !(jp2k->tile_buffer = VIPS_ARRAY( NULL, sizeof_tile, VipsPel )) )
|
||||
return( -1 );
|
||||
|
||||
/* The line of tiles we are building.
|
||||
*/
|
||||
jp2k->strip = vips_region_new( save->ready );
|
||||
|
||||
/* Position strip at the top of the image, the height of a row of
|
||||
* tiles.
|
||||
*/
|
||||
strip_position.left = 0;
|
||||
strip_position.top = 0;
|
||||
strip_position.width = save->ready->Xsize;
|
||||
strip_position.height = jp2k->tile_height;
|
||||
if( vips_region_buffer( jp2k->strip, &strip_position ) )
|
||||
return( -1 );
|
||||
|
||||
/* Write data.
|
||||
*/
|
||||
if( vips_sink_disc( save->ready,
|
||||
vips_foreign_save_jp2k_write_block, jp2k ) )
|
||||
return( -1 );
|
||||
|
||||
opj_end_compress( jp2k->codec, jp2k->stream );
|
||||
|
||||
vips_target_finish( jp2k->target );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/* Save a bit of typing.
|
||||
*/
|
||||
#define UC VIPS_FORMAT_UCHAR
|
||||
#define US VIPS_FORMAT_USHORT
|
||||
|
||||
static int vips_jp2k_bandfmt[10] = {
|
||||
/* UC C US S UI I F X D DX */
|
||||
UC, UC, US, US, US, US, US, US, US, US
|
||||
};
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_class_init( VipsForeignSaveJp2kClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
|
||||
VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
|
||||
|
||||
gobject_class->dispose = vips_foreign_save_jp2k_dispose;
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "jp2ksave_base";
|
||||
object_class->description = _( "save image in HEIF format" );
|
||||
object_class->build = vips_foreign_save_jp2k_build;
|
||||
|
||||
foreign_class->suffs = vips__jp2k_suffs;
|
||||
|
||||
save_class->saveable = VIPS_SAVEABLE_ANY;
|
||||
save_class->format_table = vips_jp2k_bandfmt;
|
||||
|
||||
VIPS_ARG_INT( class, "tile_width", 11,
|
||||
_( "Tile width" ),
|
||||
_( "Tile width in pixels" ),
|
||||
VIPS_ARGUMENT_OPTIONAL_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveJp2k, tile_width ),
|
||||
1, 32768, 512 );
|
||||
|
||||
VIPS_ARG_INT( class, "tile_height", 12,
|
||||
_( "Tile height" ),
|
||||
_( "Tile height in pixels" ),
|
||||
VIPS_ARGUMENT_OPTIONAL_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveJp2k, tile_height ),
|
||||
1, 32768, 512 );
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_init( VipsForeignSaveJp2k *jp2k )
|
||||
{
|
||||
jp2k->tile_width = 512;
|
||||
jp2k->tile_height = 512;
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignSaveJp2kFile {
|
||||
VipsForeignSaveJp2k parent_object;
|
||||
|
||||
/* Filename for save.
|
||||
*/
|
||||
char *filename;
|
||||
|
||||
} VipsForeignSaveJp2kFile;
|
||||
|
||||
typedef VipsForeignSaveJp2kClass VipsForeignSaveJp2kFileClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignSaveJp2kFile, vips_foreign_save_jp2k_file,
|
||||
vips_foreign_save_jp2k_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_save_jp2k_file_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSaveJp2k *jp2k = (VipsForeignSaveJp2k *) object;
|
||||
VipsForeignSaveJp2kFile *file = (VipsForeignSaveJp2kFile *) object;
|
||||
|
||||
if( !(jp2k->target = vips_target_new_to_file( file->filename )) )
|
||||
return( -1 );
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_jp2k_file_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_file_class_init( VipsForeignSaveJp2kFileClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "jp2ksave";
|
||||
object_class->build = vips_foreign_save_jp2k_file_build;
|
||||
|
||||
VIPS_ARG_STRING( class, "filename", 1,
|
||||
_( "Filename" ),
|
||||
_( "Filename to load from" ),
|
||||
VIPS_ARGUMENT_REQUIRED_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveJp2kFile, filename ),
|
||||
NULL );
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_file_init( VipsForeignSaveJp2kFile *file )
|
||||
{
|
||||
}
|
||||
|
||||
typedef struct _VipsForeignSaveJp2kTarget {
|
||||
VipsForeignSaveJp2k parent_object;
|
||||
|
||||
VipsTarget *target;
|
||||
} VipsForeignSaveJp2kTarget;
|
||||
|
||||
typedef VipsForeignSaveJp2kClass VipsForeignSaveJp2kTargetClass;
|
||||
|
||||
G_DEFINE_TYPE( VipsForeignSaveJp2kTarget, vips_foreign_save_jp2k_target,
|
||||
vips_foreign_save_jp2k_get_type() );
|
||||
|
||||
static int
|
||||
vips_foreign_save_jp2k_target_build( VipsObject *object )
|
||||
{
|
||||
VipsForeignSaveJp2k *jp2k = (VipsForeignSaveJp2k *) object;
|
||||
VipsForeignSaveJp2kTarget *target =
|
||||
(VipsForeignSaveJp2kTarget *) object;
|
||||
|
||||
if( target->target ) {
|
||||
jp2k->target = target->target;
|
||||
g_object_ref( jp2k->target );
|
||||
}
|
||||
|
||||
if( VIPS_OBJECT_CLASS( vips_foreign_save_jp2k_target_parent_class )->
|
||||
build( object ) )
|
||||
return( -1 );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_target_class_init(
|
||||
VipsForeignSaveJp2kTargetClass *class )
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
|
||||
VipsObjectClass *object_class = (VipsObjectClass *) class;
|
||||
|
||||
gobject_class->set_property = vips_object_set_property;
|
||||
gobject_class->get_property = vips_object_get_property;
|
||||
|
||||
object_class->nickname = "jp2ksave_target";
|
||||
object_class->build = vips_foreign_save_jp2k_target_build;
|
||||
|
||||
VIPS_ARG_OBJECT( class, "target", 1,
|
||||
_( "Target" ),
|
||||
_( "Target to save to" ),
|
||||
VIPS_ARGUMENT_REQUIRED_INPUT,
|
||||
G_STRUCT_OFFSET( VipsForeignSaveJp2kTarget, target ),
|
||||
VIPS_TYPE_TARGET );
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
vips_foreign_save_jp2k_target_init( VipsForeignSaveJp2kTarget *target )
|
||||
{
|
||||
}
|
||||
|
||||
#endif /*HAVE_LIBOPENJP2*/
|
||||
|
||||
/**
|
||||
* vips_jp2ksave: (method)
|
||||
* @in: image to save
|
||||
* @filename: file to write to
|
||||
* @...: %NULL-terminated list of optional named arguments
|
||||
*
|
||||
* Write a VIPS image to a file in JPEG2000 format.
|
||||
*
|
||||
* See also: vips_image_write_to_file(), vips_jp2kload().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error.
|
||||
*/
|
||||
int
|
||||
vips_jp2ksave( VipsImage *in, const char *filename, ... )
|
||||
{
|
||||
va_list ap;
|
||||
int result;
|
||||
|
||||
va_start( ap, filename );
|
||||
result = vips_call_split( "jp2ksave", ap, in, filename );
|
||||
va_end( ap );
|
||||
|
||||
return( result );
|
||||
}
|
||||
|
||||
/**
|
||||
* vips_jp2ksave_target: (method)
|
||||
* @in: image to save
|
||||
* @target: save image to this target
|
||||
* @...: %NULL-terminated list of optional named arguments
|
||||
*
|
||||
* As vips_jp2ksave(), but save to a target.
|
||||
*
|
||||
* See also: vips_jp2ksave(), vips_image_write_to_target().
|
||||
*
|
||||
* Returns: 0 on success, -1 on error.
|
||||
*/
|
||||
int
|
||||
vips_jp2ksave_target( VipsImage *in, VipsTarget *target, ... )
|
||||
{
|
||||
va_list ap;
|
||||
int result;
|
||||
|
||||
va_start( ap, target );
|
||||
result = vips_call_split( "jp2ksave_target", ap, in, target );
|
||||
va_end( ap );
|
||||
|
||||
return( result );
|
||||
}
|
||||
@ -245,6 +245,8 @@ void vips__heif_error( struct heif_error *error );
|
||||
struct heif_image;
|
||||
void vips__heif_image_print( struct heif_image *img );
|
||||
|
||||
extern const char *vips__jp2k_suffs[];
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /*__cplusplus*/
|
||||
|
||||
@ -680,6 +680,10 @@ int vips_jp2kload( const char *filename, VipsImage **out, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_jp2kload_source( VipsSource *source, VipsImage **out, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_jp2ksave( VipsImage *in, const char *filename, ... )
|
||||
__attribute__((sentinel));
|
||||
int vips_jp2ksave_target( VipsImage *in, VipsTarget *target, ... )
|
||||
__attribute__((sentinel));
|
||||
|
||||
/**
|
||||
* VipsForeignDzLayout:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user