/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
*
* Copyright © 2009 Adrian Johnson
*
* This library is free software ; you can redistribute it and / or
* modify it either under the terms of the GNU Lesser General Public
* License version 2 . 1 as published by the Free Software Foundation
* ( the " LGPL " ) or , at your option , under the terms of the Mozilla
* Public License Version 1 . 1 ( the " MPL " ) . If you do not alter this
* notice , a recipient may use your version of this file under either
* the MPL or the LGPL .
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING - LGPL - 2 . 1 ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Suite 500 , Boston , MA 02110 - 1335 , USA
* You should have received a copy of the MPL along with this library
* in the file COPYING - MPL - 1 . 1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1 . 1 ( the " License " ) ; you may not use this file except in
* compliance with the License . You may obtain a copy of the License at
* http : //www.mozilla.org/MPL/
*
* This software is distributed on an " AS IS " basis , WITHOUT WARRANTY
* OF ANY KIND , either express or implied . See the LGPL or the MPL for
* the specific language governing rights and limitations .
*
* The Original Code is the cairo graphics library .
*
* The Initial Developer of the Original Code is Adrian Johnson .
*
* Contributor ( s ) :
* Adrian Johnson < ajohnson @ redneon . com >
*/
#ifndef CAIRO_PDF_SHADING_H
#define CAIRO_PDF_SHADING_H
#include "cairo-compiler-private.h"
#include "cairo-types-private.h"
#include "cairo-pattern-private.h"
typedef struct _cairo_pdf_shading {
int shading_type;
int bits_per_coordinate;
int bits_per_component;
int bits_per_flag;
double *decode_array;
int decode_array_length;
unsigned char *data;
unsigned long data_length;
} cairo_pdf_shading_t;
/**
* _ cairo_pdf_shading_init_color :
* @ shading : a # cairo_pdf_shading_t to initialize
* @ pattern : the # cairo_mesh_pattern_t to initialize from
*
* Generate the PDF shading dictionary data for the a PDF type 7
* shading from RGB part of the specified mesh pattern .
*
* Return value : % CAIRO_STATUS_SUCCESS if successful , possible errors
* include % CAIRO_STATUS_NO_MEMORY .
**/
cairo_private cairo_status_t
_cairo_pdf_shading_init_color (cairo_pdf_shading_t *shading,
const cairo_mesh_pattern_t *pattern);
/**
* _ cairo_pdf_shading_init_alpha :
* @ shading : a # cairo_pdf_shading_t to initialize
* @ pattern : the # cairo_mesh_pattern_t to initialize from
*
* Generate the PDF shading dictionary data for a PDF type 7
* shading from alpha part of the specified mesh pattern .
*
* Return value : % CAIRO_STATUS_SUCCESS if successful , possible errors
* include % CAIRO_STATUS_NO_MEMORY .
**/
cairo_private cairo_status_t
_cairo_pdf_shading_init_alpha (cairo_pdf_shading_t *shading,
const cairo_mesh_pattern_t *pattern);
/**
* _ cairo_pdf_shading_fini :
* @ shading : a # cairo_pdf_shading_t
*
* Free all resources associated with @ shading . After this call ,
* @ shading should not be used again without a subsequent call to
* _ cairo_pdf_shading_init ( ) again first .
**/
cairo_private void
_cairo_pdf_shading_fini (cairo_pdf_shading_t *shading);
#endif /* CAIRO_PDF_SHADING_H */
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