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125 lines
4.8 KiB
Plaintext
125 lines
4.8 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* 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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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla SVG project.
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*
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* The Initial Developer of the Original Code is
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* Crocodile Clips Ltd.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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/**
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* \addtogroup renderer_interfaces Rendering Engine Interfaces
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* @{
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*/
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/**
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* One of a number of interfaces (all starting with nsISVGRenderer*)
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* to be implemented by an SVG rendering engine. See nsISVGRenderer
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* for more details.
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*
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* This interface is used by an nsISVGRendererPathGeometry object in
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* a call to nsISVGPathGeometrySource::constructPath() to obtain a
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* native representation of the path described by
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* nsISVGPathGeometrySource.
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*/
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[uuid(c3cd294e-39ae-4718-b2bc-87c0fad97a12)]
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interface nsISVGRendererPathBuilder : nsISupports
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{
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/**
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* Move current position and start new sub-path.
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*
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* @param x X-coordinate (untransformed).
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* @param y Y-coordinate (untransformed).
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*/
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void moveto(in float x, in float y);
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/**
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* Draw a straight line from the current position to (x,y). Advance
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* current position to (x,y).
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*
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* @param x X-coordinate of end point (untransformed).
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* @param y Y-coordinate of end point (untransformed).
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*/
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void lineto(in float x, in float y);
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/**
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* Draw cubic Bezier curve from the current position to (x,y) using
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* (x1,y1) as the control point at the beginning og the curve and
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* (x2,y2) as the control point at the end of the curve. Advance
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* current position to (x,y).
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*
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* @param x X-coordinate of end point (untransformed).
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* @param y Y-coordinate of end point (untransformed).
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* @param x1 X-coordinate of first control point (untransformed).
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* @param y1 Y-coordinate of first control point (untransformed).
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* @param x2 X-coordinate of second control point (untransformed).
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* @param y2 Y-coordinate of second control point (untransformed).
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*/
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void curveto(in float x, in float y, in float x1, in float y1, in float x2, in float y2);
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/**
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* Draw an elliptical arc from the current position to
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* (x,y). Advance current position to (x,y).
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*
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* @param x X-coordinate of end point (untransformed).
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* @param y Y-coordinate of end point (untransformed).
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* @param r1 Radius of ellipse in X direction (untransformed).
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* @param r2 Radius of ellipse in Y direction (untransformed).
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* @param angle Rotation of ellipse as a whole (untransformed).
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* @param largeArcFlag PR_TRUE: choose the large arc (>=180 degrees),
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* PR_FALSE: choose the smaller arc (<=180 degrees)
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* @param sweepFlag PR_TRUE: sweep in positive angle direction,
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* PR_FALSE: sweep in negative angle direction
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*/
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void arcto(in float x, in float y, in float r1, in float r2, in float angle,
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in boolean largeArcFlag, in boolean sweepFlag);
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/**
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* Close the current subpath. Move current position back to
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* beginning of subpath.
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*
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* @param newX X-coordinate of new current position (untransformed).
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* @param newY Y-coordinate of new current position (untransformed).
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*/
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void closePath(out float newX, out float newY);
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/**
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* End the path description. Guaranteed to be the last function
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* called.
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*/
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void endPath();
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};
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/** @} */
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