C++ (Cpp) DisplayBar示例

示例#1

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

NS_IMETHODIMP
nsMathMLmrootFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                     const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
{
  /////////////
  // paint the content we are square-rooting
  nsresult rv = nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
  NS_ENSURE_SUCCESS(rv, rv);
  
  /////////////
  // paint the sqrt symbol
  if (!NS_MATHML_HAS_ERROR(mPresentationData.flags)) {
    rv = mSqrChar.Display(aBuilder, this, aLists);
    NS_ENSURE_SUCCESS(rv, rv);

    rv = DisplayBar(aBuilder, this, mBarRect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);

#if defined(NS_DEBUG) && defined(SHOW_BOUNDING_BOX)
    // for visual debug
    nsRect rect;
    mSqrChar.GetRect(rect);
    nsBoundingMetrics bm;
    mSqrChar.GetBoundingMetrics(bm);
    rv = DisplayBoundingMetrics(aBuilder, this, rect.TopLeft(), bm, aLists);
#endif
  }

  return rv;
}

示例#2

文件： nsMathMLmfracFrame.cpp 项目： Tripleman/mozilla-central

void
nsMathMLmfracFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                     const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
{
  /////////////
  // paint the numerator and denominator
  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
  
  /////////////
  // paint the fraction line
  if (mIsBevelled) {
    DisplaySlash(aBuilder, this, mLineRect, mLineThickness, aLists);
  } else {
    DisplayBar(aBuilder, this, mLineRect, aLists);
  }
}

示例#3

NS_IMETHODIMP
nsMathMLmfracFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                     const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
{
  /////////////
  // paint the numerator and denominator
  nsresult rv = nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
  NS_ENSURE_SUCCESS(rv, rv);
  
  /////////////
  // paint the fraction line
  if (mIsBevelled) {
    rv = DisplaySlash(aBuilder, this, mLineRect, mLineThickness, aLists);
  } else {
    rv = DisplayBar(aBuilder, this, mLineRect, aLists);
  }

  return rv;
}

示例#4

文件： nsMathMLmencloseFrame.cpp 项目： Anachid/mozilla-central

NS_IMETHODIMP
nsMathMLmencloseFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                        const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
{
  /////////////
  // paint the menclosed content
  nsresult rv = nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect,
                                                         aLists);

  NS_ENSURE_SUCCESS(rv, rv);

  if (NS_MATHML_HAS_ERROR(mPresentationData.flags))
    return rv;

  nsRect mencloseRect = nsIFrame::GetRect();
  mencloseRect.x = mencloseRect.y = 0;

  if (IsToDraw(NOTATION_RADICAL)) {
    rv = mMathMLChar[mRadicalCharIndex].Display(aBuilder, this, aLists);
    NS_ENSURE_SUCCESS(rv, rv);

    nsRect rect;
    mMathMLChar[mRadicalCharIndex].GetRect(rect);
    rect.MoveBy(NS_MATHML_IS_RTL(mPresentationData.flags) ?
                -mContentWidth : rect.width, 0);
    rect.SizeTo(mContentWidth, mRuleThickness);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_LONGDIV)) {
    rv = mMathMLChar[mLongDivCharIndex].Display(aBuilder, this, aLists);
    NS_ENSURE_SUCCESS(rv, rv);

    nsRect rect;
    mMathMLChar[mLongDivCharIndex].GetRect(rect);
    rect.SizeTo(rect.width + mContentWidth, mRuleThickness);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_TOP)) {
    nsRect rect(0, 0, mencloseRect.width, mRuleThickness);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_BOTTOM)) {
    nsRect rect(0, mencloseRect.height - mRuleThickness,
                mencloseRect.width, mRuleThickness);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_LEFT)) {
    nsRect rect(0, 0, mRuleThickness, mencloseRect.height);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_RIGHT)) {
    nsRect rect(mencloseRect.width - mRuleThickness, 0,
                mRuleThickness, mencloseRect.height);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_ROUNDEDBOX)) {
    rv = DisplayNotation(aBuilder, this, mencloseRect, aLists,
                         mRuleThickness, NOTATION_ROUNDEDBOX);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_CIRCLE)) {
    rv = DisplayNotation(aBuilder, this, mencloseRect, aLists,
                         mRuleThickness, NOTATION_CIRCLE);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_UPDIAGONALSTRIKE)) {
    rv = DisplayNotation(aBuilder, this, mencloseRect, aLists,
                         mRuleThickness, NOTATION_UPDIAGONALSTRIKE);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_DOWNDIAGONALSTRIKE)) {
    rv = DisplayNotation(aBuilder, this, mencloseRect, aLists,
                         mRuleThickness, NOTATION_DOWNDIAGONALSTRIKE);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_HORIZONTALSTRIKE)) {
    nsRect rect(0, mencloseRect.height / 2 - mRuleThickness / 2,
                mencloseRect.width, mRuleThickness);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  if (IsToDraw(NOTATION_VERTICALSTRIKE)) {
    nsRect rect(mencloseRect.width / 2 - mRuleThickness / 2, 0,
                mRuleThickness, mencloseRect.height);
    rv = DisplayBar(aBuilder, this, rect, aLists);
    NS_ENSURE_SUCCESS(rv, rv);
  }
  return rv;
}