android.text.Layout.getLineBaseline()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中android.text.Layout.getLineBaseline()方法的一些代码示例，展示了Layout.getLineBaseline()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Layout.getLineBaseline()方法的具体详情如下：
包路径：android.text.Layout
类名称：Layout
方法名：getLineBaseline

Layout.getLineBaseline介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

inputEditText.addTextChangedListener(new TextWatcher() {

 @Override
 public void onTextChanged(CharSequence s, int start, int before, int count) {
  Layout layout = inputEditText.getLayout();
  int pos = inputEditText.getSelectionStart();
  int line = layout.getLineForOffset(pos);
  int baseline = layout.getLineBaseline(line);

  int bottom = inputEditText.getHeight();

  inputEditText.setDropDownVerticalOffset(baseline - bottom);

 }

 @Override
 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 }

 @Override
 public void afterTextChanged(Editable s) {
 }
});

代码示例来源：origin: hanks-zyh/HTextView

@Override
  protected void drawFrame(Canvas canvas) {
    Layout layout = mHTextView.getLayout();
    int gapIndex = 0;
    for (int i = 0; i < layout.getLineCount(); i++) {
      int lineStart = layout.getLineStart(i);
      int lineEnd = layout.getLineEnd(i);
      float lineLeft = layout.getLineLeft(i);
      float lineBaseline = layout.getLineBaseline(i);
      String lineText = mText.subSequence(lineStart, lineEnd).toString();
      for (int c = 0; c < lineText.length(); c++) {
        int alpha = alphaList.get(gapIndex);
        mPaint.setAlpha((int) ((255 - alpha) * progress + alpha));
        canvas.drawText(String.valueOf(lineText.charAt(c)), lineLeft, lineBaseline, mPaint);
        lineLeft += gapList.get(gapIndex++);
      }
    }
  }
}

代码示例来源：origin: stackoverflow.com

int pos = editText.getSelectionStart();
Layout layout = editText.getLayout();
int line = layout.getLineForOffset(pos);
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
float x = layout.getPrimaryHorizontal(pos);
float y = baseline + ascent;

代码示例来源：origin: stackoverflow.com

Layout layout = etShell.getLayout();
int pos = etShell.length();
int line = layout.getLineForOffset(pos);
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
float x = layout.getPrimaryHorizontal(pos);
float y = baseline + ascent;
etInput.setMaxWidth(width - (int) x);
etInput.setX(x);
etInput.setY(y);

代码示例来源：origin: stackoverflow.com

if(getText().toString().substring(start,end).indexOf("\t")>=0
     || getText().toString().substring(start,end).indexOf("\n")>=0
     || getText().toString().substring(start,end).indexOf("\r")>=0) {
   TextPaint paint = new TextPaint();
   paint.setStyle(Paint.Style.FILL);
   paint.setColor(mBackgroundColor);
   paint.bgColor = mBackgroundColor;
   Layout layout = getLayout();
   int line = layout.getLineForOffset(start);
   int baseline = layout.getLineBaseline(line);
   int ascent = layout.getLineAscent(line);
   float x = layout.getPrimaryHorizontal(start);
   float y = baseline + ascent;
   Rect rect = new Rect();
   //rect.set(start, 0, Math.round(layout.getSecondaryHorizontal(end)), getLineHeight()+5);
   rect.set(start, 0, Math.round(layout.getSecondaryHorizontal(end)), getLineHeight()+5);
   rect.offset(Math.round(x), Math.round(y));
   Log.d("debug","tabs " + rect.toString());
   canvas.drawRect(rect, paint);
 }

代码示例来源：origin: billthefarmer/editor

@Override
  public boolean onQueryTextSubmit(String query)
  {
    // Find next text
    if (matcher.find())
    {
      // Get index
      index = matcher.start();
      // Get text position
      int line = textView.getLayout().getLineForOffset(index);
      int pos = textView.getLayout().getLineBaseline(line);
      // Scroll to it
      scrollView.smoothScrollTo(0, pos - height / 2);
      // Highlight it
      editable.setSpan(span, matcher.start(), matcher.end(),
               Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
    }
    else
    {
      matcher.reset();
      index = 0;
    }
    return true;
  }
}

代码示例来源：origin: stackoverflow.com

public void setCursorLocation(int characterOffset) {

  Layout layout = this.getLayout();

  int line = layout.getLineForOffset(characterOffset);
  mCursorX = layout.getPrimaryHorizontal(characterOffset);
  mCursorBaseY = layout.getLineBaseline(line);
  mCursorBottomY = layout.getLineBottom(line);
  mCursorAscentY = layout.getLineAscent(line);

  this.invalidate();
}

代码示例来源：origin: ywwynm/EverythingDone

public static int getCursorY(EditText et) {
    int pos = et.getSelectionStart();
    Layout layout = et.getLayout();
    int line = layout.getLineForOffset(pos);
    int baseline = layout.getLineBaseline(line);
    int ascent = layout.getLineAscent(line);
    return baseline + ascent;
  }
}

代码示例来源：origin: billthefarmer/diary

.getLineForOffset(index);
int pos = textView.getLayout()
     .getLineBaseline(line);

代码示例来源：origin: billthefarmer/diary

.getLineForOffset(index);
int pos = textView.getLayout()
     .getLineBaseline(line);

代码示例来源：origin: billthefarmer/editor

.getLineForOffset(index);
int pos = textView.getLayout()
     .getLineBaseline(line);

代码示例来源：origin: stackoverflow.com

Layout layout = _field.getLayout();
int line = layout.getLineForOffset(pos);
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
int x = (int)layout.getPrimaryHorizontal(pos);

代码示例来源：origin: TMLAndroid/FillBlankDemo

public RectF drawSpanRect(ReplaceSpan s) {
    Layout layout = mTv.getLayout();
    Spannable buffer = (Spannable) mTv.getText();
    int l = buffer.getSpanStart(s);
    int r = buffer.getSpanEnd(s);
    int line = layout.getLineForOffset(l);
    int l2 = layout.getLineForOffset(r);
    if (mRf == null){
      mRf = new RectF();
      //Rect rt = new Rect();
      Paint.FontMetrics fontMetrics = mTv.getPaint().getFontMetrics();
      //mTv.getPaint().getTextBounds("TgQyYFJ",0,7,rt);
      mFontT = (int) fontMetrics.ascent;
      mFontB  = (int) fontMetrics.descent;
    }
    mRf.left = layout.getPrimaryHorizontal(l);
    mRf.right = layout.getSecondaryHorizontal(r);
    // 通过基线去校准
    line = layout.getLineBaseline(line);
    mRf.top = line + mFontT;
    mRf.bottom = line + mFontB;
    return mRf;
}

代码示例来源：origin: ahmadaghazadeh/CodeEditor

int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);

代码示例来源：origin: blurpy/kouchat-android

private static Point getCoordinatesForLine(final TextView textView, final String textToFind,
                      final int lineNumber, final String fullLine) {
  final Layout layout = textView.getLayout();
  final TextPaint paint = textView.getPaint();
  final int textIndex = fullLine.indexOf(textToFind);
  final String preText = fullLine.substring(0, textIndex);
  final int textWidth = (int) Layout.getDesiredWidth(textToFind, paint);
  final int preTextWidth = (int) Layout.getDesiredWidth(preText, paint);
  final int[] textViewXYLocation = new int[2];
  textView.getLocationOnScreen(textViewXYLocation);
  // Width: in the middle of the text
  final int xPosition = preTextWidth + (textWidth / 2);
  // Height: in the middle of the given line, plus the text view position from the top, minus the amount scrolled
  final int yPosition = layout.getLineBaseline(lineNumber) + textViewXYLocation[1] - textView.getScrollY();
  return new Point(xPosition, yPosition);
}

代码示例来源：origin: Light-Team/ModPE-IDE-Source

protected void onPopupChangePosition() {
  try {
    Layout layout = getLayout();
    if (layout != null) {
      int pos = getSelectionStart();
      int line = layout.getLineForOffset(pos);
      int baseline = layout.getLineBaseline(line);
      int ascent = layout.getLineAscent(line);
      float x = layout.getPrimaryHorizontal(pos);
      float y = baseline + ascent;
      int offsetHorizontal = (int) x + mGutterWidth;
      setDropDownHorizontalOffset(offsetHorizontal);
      int heightVisible = getHeightVisible();
      int offsetVertical = (int) ((y + mCharHeight) - getScrollY());
      int tmp = offsetVertical + getDropDownHeight() + mCharHeight;
      if (tmp < heightVisible) {
        tmp = offsetVertical + mCharHeight / 2;
        setDropDownVerticalOffset(tmp);
      } else {
        tmp = offsetVertical - getDropDownHeight() - mCharHeight;
        setDropDownVerticalOffset(tmp);
      }
    }
  } catch (Exception e) {
    Log.e(TAG, e.getMessage(), e);
  }
}

代码示例来源：origin: ahmadaghazadeh/CodeEditor

if (number != prevLineNumber) {
  canvas.drawText(Integer.toString(number + 1), textRight,
      layout.getLineBaseline(i) + paddingTop, mLineNumberPaint);

代码示例来源：origin: Light-Team/ModPE-IDE-Source

if (number != prevLineNumber) {
  canvas.drawText(Integer.toString(number + 1), textRight,
      layout.getLineBaseline(i) + paddingTop, mLineNumberPaint);

代码示例来源：origin: lltvcn/FreeText

drawer.draw(canvas,getPaint(),left,layout.getLineTop(line)+getPaddingTop(), right ,layout.getLineBottom(line)+getPaddingTop(),layout.getLineBaseline(line));

代码示例来源：origin: lltvcn/FreeText

right+=getPaddingLeft();
drawer.draw(canvas,getPaint(),left,layout.getLineTop(line)+getPaddingTop(), right ,layout.getLineBottom(line)+getPaddingTop(),layout.getLineBaseline(line));

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