TextMetrics.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * 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 mozilla_dom_TextMetrics_h

#define mozilla_dom_TextMetrics_h

#include "mozilla/dom/CanvasRenderingContext2DBinding.h"

#include "mozilla/dom/NonRefcountedDOMObject.h"

namespace mozilla::dom {

class TextMetrics final : public NonRefcountedDOMObject {

 public:

  explicit TextMetrics(double aWidth, double aActualBoundingBoxLeft,

                       double aActualBoundingBoxRight,

                       double aFontBoundingBoxAscent,

                       double aFontBoundingBoxDescent,

                       double aActualBoundingBoxAscent,

                       double aActualBoundingBoxDescent, double aEmHeightAscent,

                       double aEmHeightDescent, double aHangingBaseline,

                       double aAlphabeticBaseline, double aIdeographicBaseline)

      : width(aWidth),

        actualBoundingBoxLeft(aActualBoundingBoxLeft),

        actualBoundingBoxRight(aActualBoundingBoxRight),

        fontBoundingBoxAscent(aFontBoundingBoxAscent),

        fontBoundingBoxDescent(aFontBoundingBoxDescent),

        actualBoundingBoxAscent(aActualBoundingBoxAscent),

        actualBoundingBoxDescent(aActualBoundingBoxDescent),

        emHeightAscent(aEmHeightAscent),

        emHeightDescent(aEmHeightDescent),

        hangingBaseline(aHangingBaseline),

        alphabeticBaseline(aAlphabeticBaseline),

        ideographicBaseline(aIdeographicBaseline) {

    MOZ_COUNT_CTOR(TextMetrics);

  MOZ_COUNTED_DTOR(TextMetrics)

  double Width() const { return width; }

  double ActualBoundingBoxLeft() const { return actualBoundingBoxLeft; }

  double ActualBoundingBoxRight() const { return actualBoundingBoxRight; }

  // y-direction

  double FontBoundingBoxAscent() const { return fontBoundingBoxAscent; }

  double FontBoundingBoxDescent() const { return fontBoundingBoxDescent; }

  double ActualBoundingBoxAscent() const { return actualBoundingBoxAscent; }

  double ActualBoundingBoxDescent() const { return actualBoundingBoxDescent; }

  double EmHeightAscent() const { return emHeightAscent; }

  double EmHeightDescent() const { return emHeightDescent; }

  double HangingBaseline() const { return hangingBaseline; }

  double AlphabeticBaseline() const { return alphabeticBaseline; }

  double IdeographicBaseline() const { return ideographicBaseline; }

  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,

                  JS::MutableHandle<JSObject*> aReflector) {

    return TextMetrics_Binding::Wrap(aCx, this, aGivenProto, aReflector);

 private:

  double width;

  double actualBoundingBoxLeft;

  double actualBoundingBoxRight;

  double fontBoundingBoxAscent;

  double fontBoundingBoxDescent;

  double actualBoundingBoxAscent;

  double actualBoundingBoxDescent;

  double emHeightAscent;

  double emHeightDescent;

  double hangingBaseline;

  double alphabeticBaseline;

  double ideographicBaseline;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_TextMetrics_h