C++ (Cpp) NS_ENSURE_FINITE2示例

示例#1

文件： SVGMotionSMILPathUtils.cpp 项目： heiher/gecko-dev

bool
SVGMotionSMILPathUtils::PathGenerator::
  ParseCoordinatePair(const nsAString& aCoordPairStr,
                      float& aXVal, float& aYVal)
{
  nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>
    tokenizer(aCoordPairStr, ',',
              nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);

  SVGLength x, y;

  if (!tokenizer.hasMoreTokens() ||
      !x.SetValueFromString(tokenizer.nextToken())) {
    return false;
  }

  if (!tokenizer.hasMoreTokens() ||
      !y.SetValueFromString(tokenizer.nextToken())) {
    return false;
  }

  if (tokenizer.separatorAfterCurrentToken() ||  // Trailing comma.
      tokenizer.hasMoreTokens()) {               // More text remains
    return false;
  }

  float xRes = x.GetValueInUserUnits(mSVGElement, SVGContentUtils::X);
  float yRes = y.GetValueInUserUnits(mSVGElement, SVGContentUtils::Y);

  NS_ENSURE_FINITE2(xRes, yRes, false);

  aXVal = xRes;
  aYVal = yRes;
  return true;
}

示例#2

文件： SVGPathElement.cpp 项目： bbondy/mozilla-central

/* nsISupports createSVGPathSegCurvetoQuadraticSmoothRel (in float x, in float y); */
NS_IMETHODIMP
SVGPathElement::CreateSVGPathSegCurvetoQuadraticSmoothRel(float x, float y, nsISupports **_retval)
{
  NS_ENSURE_FINITE2(x, y, NS_ERROR_ILLEGAL_VALUE);
  *_retval = CreateSVGPathSegCurvetoQuadraticSmoothRel(x, y).get();
  return NS_OK;
}

示例#3

文件： SVGPathElement.cpp 项目： bbondy/mozilla-central

/* nsISupports createSVGPathSegLinetoAbs (in float x, in float y); */
NS_IMETHODIMP
SVGPathElement::CreateSVGPathSegLinetoAbs(float x, float y, nsISupports **_retval)
{
  NS_ENSURE_FINITE2(x, y, NS_ERROR_ILLEGAL_VALUE);
  *_retval = CreateSVGPathSegLinetoAbs(x, y).get();
  return NS_OK;
}

示例#4

文件： nsSVGTransform.cpp 项目： Akin-Net/mozilla-central

/* void setScale (in float sx, in float sy); */
NS_IMETHODIMP nsSVGTransform::SetScale(float sx, float sy)
{
  NS_ENSURE_FINITE2(sx, sy, NS_ERROR_ILLEGAL_VALUE);

  WillModify();
  
  mType = SVG_TRANSFORM_SCALE;
  mAngle = 0.0f;
  NS_REMOVE_SVGVALUE_OBSERVER(mMatrix);
  mMatrix->SetA(sx);
  mMatrix->SetB(0.0f);
  mMatrix->SetC(0.0f);
  mMatrix->SetD(sy);
  mMatrix->SetE(0.0f);
  mMatrix->SetF(0.0f);
  NS_ADD_SVGVALUE_OBSERVER(mMatrix);

  DidModify();
  return NS_OK;
}

示例#5

文件： nsSVGTransform.cpp 项目： Akin-Net/mozilla-central

/* void setTranslate (in float tx, in float ty); */
NS_IMETHODIMP nsSVGTransform::SetTranslate(float tx, float ty)
{
  NS_ENSURE_FINITE2(tx, ty, NS_ERROR_ILLEGAL_VALUE);

  WillModify();
  
  mType = SVG_TRANSFORM_TRANSLATE;
  mAngle = 0.0f;
  NS_REMOVE_SVGVALUE_OBSERVER(mMatrix);
  mMatrix->SetA(1.0f);
  mMatrix->SetB(0.0f);
  mMatrix->SetC(0.0f);
  mMatrix->SetD(1.0f);
  mMatrix->SetE(tx);
  mMatrix->SetF(ty);
  NS_ADD_SVGVALUE_OBSERVER(mMatrix);

  DidModify();
  return NS_OK;
}