414 lines
10 KiB
C
414 lines
10 KiB
C
/* save to matrix
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*
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* 2/12/11
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* - wrap a class around the matrix writer
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* 21/2/20
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* - rewrite for the VipsTarget API
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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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typedef struct _VipsForeignSaveMatrix {
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VipsForeignSave parent_object;
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VipsTarget *target;
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const char *separator;
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} VipsForeignSaveMatrix;
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typedef VipsForeignSaveClass VipsForeignSaveMatrixClass;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveMatrix, vips_foreign_save_matrix,
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VIPS_TYPE_FOREIGN_SAVE );
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static void
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vips_foreign_save_matrix_dispose( GObject *gobject )
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{
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) gobject;
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VIPS_UNREF( matrix->target );
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G_OBJECT_CLASS( vips_foreign_save_matrix_parent_class )->
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dispose( gobject );
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}
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static int
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vips_foreign_save_matrix_block( VipsRegion *region, VipsRect *area, void *a )
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{
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) a;
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int x, y;
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for( y = 0; y < area->height; y++ ) {
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double *p = (double *)
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VIPS_REGION_ADDR( region, 0, area->top + y );
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char buf[G_ASCII_DTOSTR_BUF_SIZE];
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for( x = 0; x < area->width; x++ ) {
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if( x > 0 )
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vips_target_writes( matrix->target, " " );
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g_ascii_dtostr( buf, G_ASCII_DTOSTR_BUF_SIZE, p[x] );
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vips_target_writes( matrix->target, buf );
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}
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if( vips_target_writes( matrix->target, "\n" ) )
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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_matrix_build( VipsObject *object )
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{
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VipsForeignSave *save = (VipsForeignSave *) object;
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) object;
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VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( object );
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double scale;
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double offset;
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if( VIPS_OBJECT_CLASS( vips_foreign_save_matrix_parent_class )->
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build( object ) )
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return( -1 );
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if( vips_check_mono( class->nickname, save->ready ) ||
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vips_check_uncoded( class->nickname, save->ready ) )
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return( -1 );
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vips_target_writef( matrix->target, "%d %d",
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save->ready->Xsize, save->ready->Ysize );
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scale = vips_image_get_scale( save->ready );
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offset = vips_image_get_offset( save->ready );
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if( scale != 1.0 || offset != 0.0 )
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vips_target_writef( matrix->target, " %g %g", scale, offset );
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if( vips_target_writes( matrix->target, "\n" ) )
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return( -1 );
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if( vips_sink_disc( save->ready,
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vips_foreign_save_matrix_block, matrix ) )
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return( -1 );
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if( vips_target_end( matrix->target ) )
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return( -1 );
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return( 0 );
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}
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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 bandfmt_matrix[10] = {
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/* Band format: UC C US S UI I F X D DX */
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/* Promotion: */ D, D, D, D, D, D, D, D, D, D
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};
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static const char *vips_foreign_save_matrix_suffs[] = {
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".mat",
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NULL
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};
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static void
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vips_foreign_save_matrix_class_init( VipsForeignSaveMatrixClass *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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VipsForeignClass *foreign_class = (VipsForeignClass *) class;
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VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
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gobject_class->dispose = vips_foreign_save_matrix_dispose;
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object_class->nickname = "matrixsave_base";
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object_class->description = _( "save image to matrix" );
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object_class->build = vips_foreign_save_matrix_build;
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foreign_class->suffs = vips_foreign_save_matrix_suffs;
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save_class->saveable = VIPS_SAVEABLE_MONO;
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save_class->format_table = bandfmt_matrix;
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}
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static void
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vips_foreign_save_matrix_init( VipsForeignSaveMatrix *matrix )
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{
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}
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typedef struct _VipsForeignSaveMatrixFile {
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VipsForeignSaveMatrix parent_object;
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char *filename;
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} VipsForeignSaveMatrixFile;
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typedef VipsForeignSaveMatrixClass VipsForeignSaveMatrixFileClass;
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G_DEFINE_TYPE( VipsForeignSaveMatrixFile, vips_foreign_save_matrix_file,
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vips_foreign_save_matrix_get_type() );
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static int
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vips_foreign_save_matrix_file_build( VipsObject *object )
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{
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) object;
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VipsForeignSaveMatrixFile *file = (VipsForeignSaveMatrixFile *) object;
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if( file->filename &&
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!(matrix->target = vips_target_new_to_file( file->filename )) )
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return( -1 );
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return( VIPS_OBJECT_CLASS(
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vips_foreign_save_matrix_file_parent_class )->build( object ) );
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}
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static void
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vips_foreign_save_matrix_file_class_init(
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VipsForeignSaveMatrixFileClass *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 = "matrixsave";
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object_class->build = vips_foreign_save_matrix_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( VipsForeignSaveMatrixFile, filename ),
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NULL );
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}
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static void
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vips_foreign_save_matrix_file_init( VipsForeignSaveMatrixFile *file )
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{
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}
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typedef struct _VipsForeignSaveMatrixTarget {
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VipsForeignSaveMatrix parent_object;
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VipsTarget *target;
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} VipsForeignSaveMatrixTarget;
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typedef VipsForeignSaveMatrixClass VipsForeignSaveMatrixTargetClass;
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G_DEFINE_TYPE( VipsForeignSaveMatrixTarget, vips_foreign_save_matrix_target,
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vips_foreign_save_matrix_get_type() );
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static int
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vips_foreign_save_matrix_target_build( VipsObject *object )
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{
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) object;
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VipsForeignSaveMatrixTarget *target =
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(VipsForeignSaveMatrixTarget *) object;
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if( target->target ) {
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matrix->target = target->target;
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g_object_ref( matrix->target );
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}
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return( VIPS_OBJECT_CLASS(
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vips_foreign_save_matrix_target_parent_class )->
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build( object ) );
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}
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static void
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vips_foreign_save_matrix_target_class_init(
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VipsForeignSaveMatrixTargetClass *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 = "matrixsave_target";
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object_class->build = vips_foreign_save_matrix_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( VipsForeignSaveMatrixTarget, 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_matrix_target_init( VipsForeignSaveMatrixTarget *target )
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{
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}
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typedef struct _VipsForeignPrintMatrix {
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VipsForeignSaveMatrix parent_object;
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} VipsForeignPrintMatrix;
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typedef VipsForeignSaveClass VipsForeignPrintMatrixClass;
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G_DEFINE_TYPE( VipsForeignPrintMatrix, vips_foreign_print_matrix,
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vips_foreign_save_matrix_get_type() );
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static int
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vips_foreign_print_matrix_build( VipsObject *object )
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{
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VipsForeignSaveMatrix *matrix = (VipsForeignSaveMatrix *) object;
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if( !(matrix->target = vips_target_new_to_descriptor( 0 )) )
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return( -1 );
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if( VIPS_OBJECT_CLASS( vips_foreign_print_matrix_parent_class )->
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build( object ) )
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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_print_matrix_class_init( VipsForeignPrintMatrixClass *class )
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{
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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object_class->nickname = "matrixprint";
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object_class->description = _( "print matrix" );
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object_class->build = vips_foreign_print_matrix_build;
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}
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static void
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vips_foreign_print_matrix_init( VipsForeignPrintMatrix *matrix )
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{
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}
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/**
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* vips_matrixsave: (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 @in to @filename in matrix format. See vips_matrixload() for a
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* description of the format.
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*
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* See also: vips_matrixload().
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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_matrixsave( 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( "matrixsave", 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_matrixsave_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_matrixsave(), but save to a target.
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*
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* See also: vips_matrixsave().
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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_matrixsave_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( "matrixsave_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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/**
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* vips_matrixprint: (method)
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* @in: image to print
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* @...: %NULL-terminated list of optional named arguments
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*
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* Print @in to %stdout in matrix format. See vips_matrixload() for a
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* description of the format.
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*
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* See also: vips_matrixload().
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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_matrixprint( VipsImage *in, ... )
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{
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va_list ap;
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int result;
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va_start( ap, in );
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result = vips_call_split( "matrixprint", ap, in );
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va_end( ap );
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return( result );
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}
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