94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* common defs for image quantisation
|
|
*/
|
|
|
|
/*
|
|
|
|
Copyright (C) 1991-2005 The National Gallery
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301 USA
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
|
|
|
*/
|
|
|
|
#ifndef VIPS_QUANTISE_H
|
|
#define VIPS_QUANTISE_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /*__cplusplus*/
|
|
|
|
#if defined(HAVE_IMAGEQUANT)
|
|
#define HAVE_QUANTIZATION
|
|
|
|
#include <libimagequant.h>
|
|
|
|
#define VipsQuantiseAttr liq_attr
|
|
#define VipsQuantiseImage liq_image
|
|
#define VipsQuantiseResult liq_result
|
|
#define VipsQuantisePalette liq_palette
|
|
#define VipsQuantiseError liq_error
|
|
|
|
#elif defined(HAVE_QUANTIZR)
|
|
#define HAVE_QUANTIZATION
|
|
|
|
#include <quantizr.h>
|
|
|
|
#define VipsQuantiseAttr QuantizrOptions
|
|
#define VipsQuantiseImage QuantizrImage
|
|
#define VipsQuantiseResult QuantizrResult
|
|
#define VipsQuantisePalette QuantizrPalette
|
|
#define VipsQuantiseError QuantizrError
|
|
#endif
|
|
|
|
#ifdef HAVE_QUANTIZATION
|
|
VipsQuantiseAttr *vips__quantise_attr_create();
|
|
VipsQuantiseError vips__quantise_set_max_colors( VipsQuantiseAttr *attr,
|
|
int colors );
|
|
VipsQuantiseError vips__quantise_set_quality( VipsQuantiseAttr *attr,
|
|
int minimum, int maximum );
|
|
VipsQuantiseError vips__quantise_set_speed( VipsQuantiseAttr *attr, int speed );
|
|
VipsQuantiseImage *vips__quantise_image_create_rgba( const VipsQuantiseAttr *attr,
|
|
const void *bitmap, int width, int height, double gamma );
|
|
VipsQuantiseError vips__quantise_image_quantize( VipsQuantiseImage *input_image,
|
|
VipsQuantiseAttr *options, VipsQuantiseResult **result_output );
|
|
VipsQuantiseError vips__quantise_image_quantize_fixed( VipsQuantiseImage *input_image,
|
|
VipsQuantiseAttr *options, VipsQuantiseResult **result_output );
|
|
VipsQuantiseError vips__quantise_set_dithering_level( VipsQuantiseResult *res,
|
|
float dither_level );
|
|
const VipsQuantisePalette *vips__quantise_get_palette( VipsQuantiseResult *result );
|
|
VipsQuantiseError vips__quantise_write_remapped_image( VipsQuantiseResult *result,
|
|
VipsQuantiseImage *input_image, void *buffer, size_t buffer_size );
|
|
void vips__quantise_result_destroy( VipsQuantiseResult *result );
|
|
void vips__quantise_image_destroy( VipsQuantiseImage *img );
|
|
void vips__quantise_attr_destroy( VipsQuantiseAttr *attr );
|
|
#endif /*HAVE_QUANTIZATION*/
|
|
|
|
int vips__quantise_image( VipsImage *in,
|
|
VipsImage **index_out, VipsImage **palette_out,
|
|
int colours, int Q, double dither, int effort,
|
|
gboolean threshold_alpha );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /*__cplusplus*/
|
|
|
|
#endif /*VIPS_QUANTISE_H*/
|