gecko-dev/dom/svg/SVGTextContentElement.h

77 строки
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DOM_SVG_SVGTEXTCONTENTELEMENT_H_
#define DOM_SVG_SVGTEXTCONTENTELEMENT_H_
#include "mozilla/dom/SVGGraphicsElement.h"
#include "SVGAnimatedEnumeration.h"
#include "SVGAnimatedLength.h"
namespace mozilla {
class SVGTextFrame;
namespace dom {
struct DOMPointInit;
class DOMSVGAnimatedEnumeration;
class DOMSVGPoint;
class SVGRect;
using SVGTextContentElementBase = SVGGraphicsElement;
class SVGTextContentElement : public SVGTextContentElementBase {
friend class mozilla::SVGTextFrame;
public:
using FragmentOrElement::TextLength;
// WebIDL
already_AddRefed<DOMSVGAnimatedLength> TextLength();
already_AddRefed<DOMSVGAnimatedEnumeration> LengthAdjust();
MOZ_CAN_RUN_SCRIPT int32_t GetNumberOfChars();
MOZ_CAN_RUN_SCRIPT float GetComputedTextLength();
MOZ_CAN_RUN_SCRIPT
void SelectSubString(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT
float GetSubStringLength(uint32_t charnum, uint32_t nchars, ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT
already_AddRefed<DOMSVGPoint> GetStartPositionOfChar(uint32_t charnum,
ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT
already_AddRefed<DOMSVGPoint> GetEndPositionOfChar(uint32_t charnum,
ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT
already_AddRefed<SVGRect> GetExtentOfChar(uint32_t charnum, ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT float GetRotationOfChar(uint32_t charnum, ErrorResult& rv);
MOZ_CAN_RUN_SCRIPT int32_t GetCharNumAtPosition(const DOMPointInit& aPoint);
protected:
explicit SVGTextContentElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: SVGTextContentElementBase(std::move(aNodeInfo)) {}
MOZ_CAN_RUN_SCRIPT SVGTextFrame* GetSVGTextFrame();
MOZ_CAN_RUN_SCRIPT SVGTextFrame* GetSVGTextFrameForNonLayoutDependentQuery();
MOZ_CAN_RUN_SCRIPT mozilla::Maybe<int32_t>
GetNonLayoutDependentNumberOfChars();
enum { LENGTHADJUST };
virtual SVGAnimatedEnumeration* EnumAttributes() = 0;
static SVGEnumMapping sLengthAdjustMap[];
static EnumInfo sEnumInfo[1];
enum { TEXTLENGTH };
virtual SVGAnimatedLength* LengthAttributes() = 0;
static LengthInfo sLengthInfo[1];
};
} // namespace dom
} // namespace mozilla
#endif // DOM_SVG_SVGTEXTCONTENTELEMENT_H_