132 lines
4.4 KiB
C
132 lines
4.4 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* cairo-svg.h
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*
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* Copyright © 2005 Emmanuel Pacaud <emmanuel.pacaud@univ-poitiers.fr>
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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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*/
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#ifndef CAIRO_SVG_H
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#define CAIRO_SVG_H
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#include "cairo.h"
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#if CAIRO_HAS_SVG_SURFACE
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CAIRO_BEGIN_DECLS
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/**
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* cairo_svg_version_t:
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* @CAIRO_SVG_VERSION_1_1: The version 1.1 of the SVG specification. (Since 1.2)
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* @CAIRO_SVG_VERSION_1_2: The version 1.2 of the SVG specification. (Since 1.2)
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*
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* #cairo_svg_version_t is used to describe the version number of the SVG
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* specification that a generated SVG file will conform to.
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*
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* Since: 1.2
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**/
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typedef enum _cairo_svg_version {
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CAIRO_SVG_VERSION_1_1,
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CAIRO_SVG_VERSION_1_2
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} cairo_svg_version_t;
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/**
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* cairo_svg_unit_t:
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*
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* @CAIRO_SVG_UNIT_USER: User unit, a value in the current coordinate system.
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* If used in the root element for the initial coordinate systems it
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* corresponds to pixels. (Since 1.16)
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* @CAIRO_SVG_UNIT_EM: The size of the element's font. (Since 1.16)
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* @CAIRO_SVG_UNIT_EX: The x-height of the element’s font. (Since 1.16)
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* @CAIRO_SVG_UNIT_PX: Pixels (1px = 1/96th of 1in). (Since 1.16)
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* @CAIRO_SVG_UNIT_IN: Inches (1in = 2.54cm = 96px). (Since 1.16)
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* @CAIRO_SVG_UNIT_CM: Centimeters (1cm = 96px/2.54). (Since 1.16)
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* @CAIRO_SVG_UNIT_MM: Millimeters (1mm = 1/10th of 1cm). (Since 1.16)
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* @CAIRO_SVG_UNIT_PT: Points (1pt = 1/72th of 1in). (Since 1.16)
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* @CAIRO_SVG_UNIT_PC: Picas (1pc = 1/6th of 1in). (Since 1.16)
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* @CAIRO_SVG_UNIT_PERCENT: Percent, a value that is some fraction of another
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* reference value. (Since 1.16)
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*
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* #cairo_svg_unit_t is used to describe the units valid for coordinates and
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* lengths in the SVG specification.
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*
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* See also:
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* https://www.w3.org/TR/SVG/coords.html#Units
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* https://www.w3.org/TR/SVG/types.html#DataTypeLength
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* https://www.w3.org/TR/css-values-3/#lengths
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*
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* Since: 1.16
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**/
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typedef enum _cairo_svg_unit {
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CAIRO_SVG_UNIT_USER = 0,
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CAIRO_SVG_UNIT_EM,
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CAIRO_SVG_UNIT_EX,
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CAIRO_SVG_UNIT_PX,
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CAIRO_SVG_UNIT_IN,
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CAIRO_SVG_UNIT_CM,
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CAIRO_SVG_UNIT_MM,
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CAIRO_SVG_UNIT_PT,
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CAIRO_SVG_UNIT_PC,
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CAIRO_SVG_UNIT_PERCENT
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} cairo_svg_unit_t;
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cairo_public cairo_surface_t *
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cairo_svg_surface_create (const char *filename,
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double width_in_points,
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double height_in_points);
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cairo_public cairo_surface_t *
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cairo_svg_surface_create_for_stream (cairo_write_func_t write_func,
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void *closure,
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double width_in_points,
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double height_in_points);
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cairo_public void
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cairo_svg_surface_restrict_to_version (cairo_surface_t *surface,
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cairo_svg_version_t version);
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cairo_public void
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cairo_svg_get_versions (cairo_svg_version_t const **versions,
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int *num_versions);
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cairo_public const char *
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cairo_svg_version_to_string (cairo_svg_version_t version);
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cairo_public void
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cairo_svg_surface_set_document_unit (cairo_surface_t *surface,
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cairo_svg_unit_t unit);
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cairo_public cairo_svg_unit_t
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cairo_svg_surface_get_document_unit (cairo_surface_t *surface);
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CAIRO_END_DECLS
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#else /* CAIRO_HAS_SVG_SURFACE */
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# error Cairo was not compiled with support for the svg backend
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#endif /* CAIRO_HAS_SVG_SURFACE */
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#endif /* CAIRO_SVG_H */
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