386 lines
9.3 KiB
C
386 lines
9.3 KiB
C
/* save to rad
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*
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* 2/12/11
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* - wrap a class around the rad writer
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* 23/5/16
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* - split into file and buffer save classes
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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 <glib/gi18n-lib.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 "pforeign.h"
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#ifdef HAVE_RADIANCE
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typedef struct _VipsForeignSaveRad {
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VipsForeignSave parent_object;
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} VipsForeignSaveRad;
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typedef VipsForeignSaveClass VipsForeignSaveRadClass;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveRad, vips_foreign_save_rad,
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VIPS_TYPE_FOREIGN_SAVE );
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/* Save a bit of typing.
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*/
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#define UC VIPS_FORMAT_UCHAR
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#define C VIPS_FORMAT_CHAR
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#define US VIPS_FORMAT_USHORT
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#define S VIPS_FORMAT_SHORT
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#define UI VIPS_FORMAT_UINT
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#define I VIPS_FORMAT_INT
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#define F VIPS_FORMAT_FLOAT
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#define X VIPS_FORMAT_COMPLEX
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#define D VIPS_FORMAT_DOUBLE
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#define DX VIPS_FORMAT_DPCOMPLEX
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static VipsBandFormat vips_foreign_save_rad_format_table[10] = {
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/* Band format: UC C US S UI I F X D DX */
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/* Promotion: */ F, F, F, F, F, F, F, F, F, F
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};
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static void
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vips_foreign_save_rad_class_init( VipsForeignSaveRadClass *class )
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{
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignClass *foreign_class = (VipsForeignClass *) class;
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VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
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object_class->nickname = "radsave_base";
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object_class->description = _( "save Radiance" );
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foreign_class->suffs = vips__rad_suffs;
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save_class->saveable = VIPS_SAVEABLE_RGB;
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save_class->format_table = vips_foreign_save_rad_format_table;
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save_class->coding[VIPS_CODING_NONE] = FALSE;
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save_class->coding[VIPS_CODING_RAD] = TRUE;
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}
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static void
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vips_foreign_save_rad_init( VipsForeignSaveRad *rad )
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{
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}
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typedef struct _VipsForeignSaveRadFile {
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VipsForeignSaveRad parent_object;
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char *filename;
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} VipsForeignSaveRadFile;
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typedef VipsForeignSaveRadClass VipsForeignSaveRadFileClass;
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G_DEFINE_TYPE( VipsForeignSaveRadFile, vips_foreign_save_rad_file,
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vips_foreign_save_rad_get_type() );
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static int
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vips_foreign_save_rad_file_build( VipsObject *object )
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{
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VipsForeignSave *save = (VipsForeignSave *) object;
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VipsForeignSaveRadFile *file = (VipsForeignSaveRadFile *) object;
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VipsTarget *target;
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if( VIPS_OBJECT_CLASS( vips_foreign_save_rad_file_parent_class )->
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build( object ) )
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return( -1 );
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if( !(target = vips_target_new_to_file( file->filename )) )
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return( -1 );
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if( vips__rad_save( save->ready, target ) ) {
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VIPS_UNREF( target );
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return( -1 );
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}
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VIPS_UNREF( target );
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return( 0 );
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}
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static void
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vips_foreign_save_rad_file_class_init( VipsForeignSaveRadFileClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "radsave";
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object_class->description = _( "save image to Radiance file" );
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object_class->build = vips_foreign_save_rad_file_build;
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VIPS_ARG_STRING( class, "filename", 1,
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_( "Filename" ),
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_( "Filename to save to" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignSaveRadFile, filename ),
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NULL );
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}
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static void
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vips_foreign_save_rad_file_init( VipsForeignSaveRadFile *file )
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{
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}
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typedef struct _VipsForeignSaveRadTarget {
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VipsForeignSaveRad parent_object;
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VipsTarget *target;
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} VipsForeignSaveRadTarget;
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typedef VipsForeignSaveRadClass VipsForeignSaveRadTargetClass;
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G_DEFINE_TYPE( VipsForeignSaveRadTarget, vips_foreign_save_rad_target,
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vips_foreign_save_rad_get_type() );
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static int
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vips_foreign_save_rad_target_build( VipsObject *object )
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{
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VipsForeignSave *save = (VipsForeignSave *) object;
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VipsForeignSaveRadTarget *target = (VipsForeignSaveRadTarget *) object;
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if( VIPS_OBJECT_CLASS( vips_foreign_save_rad_target_parent_class )->
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build( object ) )
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return( -1 );
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if( vips__rad_save( save->ready, target->target ) )
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return( -1 );
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return( 0 );
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}
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static void
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vips_foreign_save_rad_target_class_init( VipsForeignSaveRadTargetClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "radsave_target";
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object_class->description = _( "save image to Radiance target" );
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object_class->build = vips_foreign_save_rad_target_build;
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VIPS_ARG_OBJECT( class, "target", 1,
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_( "Target" ),
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_( "Target to save to" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignSaveRadTarget, target ),
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VIPS_TYPE_TARGET );
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}
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static void
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vips_foreign_save_rad_target_init( VipsForeignSaveRadTarget *target )
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{
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}
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typedef struct _VipsForeignSaveRadBuffer {
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VipsForeignSaveRad parent_object;
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VipsArea *buf;
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} VipsForeignSaveRadBuffer;
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typedef VipsForeignSaveRadClass VipsForeignSaveRadBufferClass;
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G_DEFINE_TYPE( VipsForeignSaveRadBuffer, vips_foreign_save_rad_buffer,
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vips_foreign_save_rad_get_type() );
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static int
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vips_foreign_save_rad_buffer_build( VipsObject *object )
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{
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VipsForeignSave *save = (VipsForeignSave *) object;
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VipsTarget *target;
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VipsBlob *blob;
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if( VIPS_OBJECT_CLASS( vips_foreign_save_rad_buffer_parent_class )->
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build( object ) )
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return( -1 );
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if( !(target = vips_target_new_to_memory()) )
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return( -1 );
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if( vips__rad_save( save->ready, target ) ) {
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VIPS_UNREF( target );
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return( -1 );
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}
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g_object_get( target, "blob", &blob, NULL );
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g_object_set( save, "buffer", blob, NULL );
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vips_area_unref( VIPS_AREA( blob ) );
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VIPS_UNREF( target );
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return( 0 );
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}
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static void
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vips_foreign_save_rad_buffer_class_init( VipsForeignSaveRadBufferClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "radsave_buffer";
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object_class->description = _( "save image to Radiance buffer" );
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object_class->build = vips_foreign_save_rad_buffer_build;
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VIPS_ARG_BOXED( class, "buffer", 1,
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_( "Buffer" ),
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_( "Buffer to save to" ),
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VIPS_ARGUMENT_REQUIRED_OUTPUT,
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G_STRUCT_OFFSET( VipsForeignSaveRadBuffer, buf ),
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VIPS_TYPE_BLOB );
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}
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static void
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vips_foreign_save_rad_buffer_init( VipsForeignSaveRadBuffer *buffer )
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{
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}
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#endif /*HAVE_RADIANCE*/
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/**
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* vips_radsave: (method)
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* @in: image to save
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* @filename: file to write to
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* @...: %NULL-terminated list of optional named arguments
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*
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* Write a VIPS image in Radiance (HDR) format.
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*
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* Sections of this reader from Greg Ward and Radiance with kind permission.
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*
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* See also: vips_image_write_to_file().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_radsave( VipsImage *in, const char *filename, ... )
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{
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va_list ap;
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int result;
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va_start( ap, filename );
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result = vips_call_split( "radsave", ap, in, filename );
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va_end( ap );
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return( result );
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}
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/**
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* vips_radsave_buffer: (method)
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* @in: image to save
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* @buf: (array length=len) (element-type guint8): return output buffer here
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* @len: (type gsize): return output length here
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* @...: %NULL-terminated list of optional named arguments
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*
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* As vips_radsave(), but save to a memory buffer.
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*
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* The address of the buffer is returned in @buf, the length of the buffer in
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* @len. You are responsible for freeing the buffer with g_free() when you
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* are done with it.
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*
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* See also: vips_radsave(), vips_image_write_to_file().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_radsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
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{
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va_list ap;
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VipsArea *area;
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int result;
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area = NULL;
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va_start( ap, len );
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result = vips_call_split( "radsave_buffer", ap, in, &area );
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va_end( ap );
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if( !result &&
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area ) {
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if( buf ) {
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*buf = area->data;
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area->free_fn = NULL;
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}
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if( len )
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*len = area->length;
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vips_area_unref( area );
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}
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return( result );
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}
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/**
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* vips_radsave_target: (method)
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* @in: image to save
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* @target: save image to this target
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* @...: %NULL-terminated list of optional named arguments
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*
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* As vips_radsave(), but save to a target.
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*
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* See also: vips_radsave().
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*
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* Returns: 0 on success, -1 on error.
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*/
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int
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vips_radsave_target( VipsImage *in, VipsTarget *target, ... )
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{
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va_list ap;
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int result;
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va_start( ap, target );
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result = vips_call_split( "radsave_target", ap, in, target );
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va_end( ap );
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return( result );
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}
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