forked from KolibriOS/kolibrios
101 lines
3.4 KiB
C
101 lines
3.4 KiB
C
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2009 Adrian Johnson
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Adrian Johnson.
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*
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* Contributor(s):
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* Adrian Johnson <ajohnson@redneon.com>
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*/
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#ifndef CAIRO_PDF_SHADING_H
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#define CAIRO_PDF_SHADING_H
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#include "cairo-compiler-private.h"
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#include "cairo-types-private.h"
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#include "cairo-pattern-private.h"
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typedef struct _cairo_pdf_shading {
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int shading_type;
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int bits_per_coordinate;
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int bits_per_component;
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int bits_per_flag;
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double *decode_array;
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int decode_array_length;
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unsigned char *data;
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unsigned long data_length;
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} cairo_pdf_shading_t;
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/**
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* _cairo_pdf_shading_init_color:
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* @shading: a #cairo_pdf_shading_t to initialize
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* @pattern: the #cairo_mesh_pattern_t to initialize from
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*
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* Generate the PDF shading dictionary data for the a PDF type 7
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* shading from RGB part of the specified mesh pattern.
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*
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* Return value: %CAIRO_STATUS_SUCCESS if successful, possible errors
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* include %CAIRO_STATUS_NO_MEMORY.
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**/
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cairo_private cairo_status_t
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_cairo_pdf_shading_init_color (cairo_pdf_shading_t *shading,
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const cairo_mesh_pattern_t *pattern);
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/**
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* _cairo_pdf_shading_init_alpha:
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* @shading: a #cairo_pdf_shading_t to initialize
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* @pattern: the #cairo_mesh_pattern_t to initialize from
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*
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* Generate the PDF shading dictionary data for a PDF type 7
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* shading from alpha part of the specified mesh pattern.
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*
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* Return value: %CAIRO_STATUS_SUCCESS if successful, possible errors
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* include %CAIRO_STATUS_NO_MEMORY.
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**/
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cairo_private cairo_status_t
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_cairo_pdf_shading_init_alpha (cairo_pdf_shading_t *shading,
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const cairo_mesh_pattern_t *pattern);
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/**
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* _cairo_pdf_shading_fini:
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* @shading: a #cairo_pdf_shading_t
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*
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* Free all resources associated with @shading. After this call,
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* @shading should not be used again without a subsequent call to
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* _cairo_pdf_shading_init() again first.
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**/
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cairo_private void
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_cairo_pdf_shading_fini (cairo_pdf_shading_t *shading);
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#endif /* CAIRO_PDF_SHADING_H */
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