third_party/blink/renderer/core/svg/svg_text_content_element.idl

/*
 * Copyright (C) 2006 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// https://svgwg.org/svg2-draft/text.html#InterfaceSVGTextContentElement

[Exposed=Window]
interface SVGTextContentElement : SVGGraphicsElement {
    // lengthAdjust Types
    [MeasureAs=SVG1DOMText] const unsigned short LENGTHADJUST_UNKNOWN          = 0;
    [MeasureAs=SVG1DOMText] const unsigned short LENGTHADJUST_SPACING          = 1;
    [MeasureAs=SVG1DOMText] const unsigned short LENGTHADJUST_SPACINGANDGLYPHS = 2;

    [MeasureAs=SVG1DOMText] readonly attribute SVGAnimatedLength      textLength;
    [MeasureAs=SVG1DOMText] readonly attribute SVGAnimatedEnumeration lengthAdjust;

    long getNumberOfChars();
    [HighEntropy, Measure] float getComputedTextLength();
    [HighEntropy, Measure, RaisesException] float getSubStringLength(unsigned long charnum, unsigned long nchars);
    // TODO(foolip): SVGPoint/SVGRect should be DOMPoint/DOMRect.
    [HighEntropy, Measure, RaisesException] SVGPoint getStartPositionOfChar(unsigned long charnum);
    [HighEntropy, Measure, RaisesException] SVGPoint getEndPositionOfChar(unsigned long charnum);
    [HighEntropy, Measure, RaisesException] SVGRect getExtentOfChar(unsigned long charnum);
    [RaisesException] float getRotationOfChar(unsigned long charnum);
    [RaisesException] long getCharNumAtPosition(SVGPoint point);
    [RaisesException] void selectSubString(unsigned long charnum, unsigned long nchars);
};