| /* -*- 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 */ |