Java Code Examples for android.text.TextUtils#getChars()

The following examples show how to use android.text.TextUtils#getChars() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
@Override
public final void drawText(@NonNull CharSequence text, int start, int end, float x, float y,
        @NonNull Paint paint) {
    if ((start | end | (end - start) | (text.length() - end)) < 0) {
        throw new IndexOutOfBoundsException();
    }
    if (text instanceof String || text instanceof SpannedString
            || text instanceof SpannableString) {
        nDrawText(mNativeCanvasWrapper, text.toString(), start, end, x, y,
                paint.mBidiFlags, paint.getNativeInstance());
    } else if (text instanceof GraphicsOperations) {
        ((GraphicsOperations) text).drawText(this, start, end, x, y,
                paint);
    } else {
        char[] buf = TemporaryBuffer.obtain(end - start);
        TextUtils.getChars(text, start, end, buf, 0);
        nDrawText(mNativeCanvasWrapper, buf, 0, end - start, x, y,
                paint.mBidiFlags, paint.getNativeInstance());
        TemporaryBuffer.recycle(buf);
    }
}
 
Example 2
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend)
{
  char[] v = new char[end - start];
  TextUtils.getChars(source, start, end, v, 0);

  Spannable emojified = EmojiProvider.getInstance(view.getContext()).emojify(new String(v), view);

  if (source instanceof Spanned && emojified != null) {
    TextUtils.copySpansFrom((Spanned) source, start, end, null, emojified, 0);
  }

  return emojified;
}
 
Example 3
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend)
{
  char[] v = new char[end - start];
  TextUtils.getChars(source, start, end, v, 0);

  Spannable emojified = EmojiProvider.getInstance(view.getContext()).emojify(new String(v), view);

  if (source instanceof Spanned && emojified != null) {
    TextUtils.copySpansFrom((Spanned) source, start, end, null, emojified, 0);
  }

  return emojified;
}
 
Example 4
public void getChars(int start, int end, char[] dest, int off) {
    TextUtils.getChars(mSource, start, end, dest, off);
    int offend = end - start + off;
    int n = mOriginal.length;

    for (int i = off; i < offend; i++) {
        char c = dest[i];

        for (int j = 0; j < n; j++) {
            if (c == mOriginal[j]) {
                dest[i] = mReplacement[j];
            }
        }
    }
}
 
Example 5
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend)
{
  char[] v = new char[end - start];
  TextUtils.getChars(source, start, end, v, 0);

  Spannable emojified = EmojiProvider.getInstance(view.getContext()).emojify(new String(v), view);

  if (source instanceof Spanned && emojified != null) {
    TextUtils.copySpansFrom((Spanned) source, start, end, null, emojified, 0);
  }

  return emojified;
}
 
Example 6
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend)
{
  char[] v = new char[end - start];
  TextUtils.getChars(source, start, end, v, 0);

  Spannable emojified = EmojiProvider.getInstance(view.getContext()).emojify(new String(v), view);

  if (source instanceof Spanned && emojified != null) {
    TextUtils.copySpansFrom((Spanned) source, start, end, null, emojified, 0);
  }

  return emojified;
}
 
Example 7
@Override
public final void drawTextRun(@NonNull CharSequence text, int start, int end, int contextStart,
        int contextEnd, float x, float y, boolean isRtl, @NonNull Paint paint) {

    if (text == null) {
        throw new NullPointerException("text is null");
    }
    if (paint == null) {
        throw new NullPointerException("paint is null");
    }
    if ((start | end | contextStart | contextEnd | start - contextStart | end - start
            | contextEnd - end | text.length() - contextEnd) < 0) {
        throw new IndexOutOfBoundsException();
    }

    if (text instanceof String || text instanceof SpannedString
            || text instanceof SpannableString) {
        nDrawTextRun(mNativeCanvasWrapper, text.toString(), start, end, contextStart,
                contextEnd, x, y, isRtl, paint.getNativeInstance());
    } else if (text instanceof GraphicsOperations) {
        ((GraphicsOperations) text).drawTextRun(this, start, end,
                contextStart, contextEnd, x, y, isRtl, paint);
    } else {
        int contextLen = contextEnd - contextStart;
        int len = end - start;
        char[] buf = TemporaryBuffer.obtain(contextLen);
        TextUtils.getChars(text, contextStart, contextEnd, buf, 0);
        long measuredTextPtr = 0;
        if (text instanceof PrecomputedText) {
            PrecomputedText mt = (PrecomputedText) text;
            int paraIndex = mt.findParaIndex(start);
            if (end <= mt.getParagraphEnd(paraIndex)) {
                // Only support if the target is in the same paragraph.
                measuredTextPtr = mt.getMeasuredParagraph(paraIndex).getNativePtr();
            }
        }
        nDrawTextRun(mNativeCanvasWrapper, buf, start - contextStart, len,
                0, contextLen, x, y, isRtl, paint.getNativeInstance(), measuredTextPtr);
        TemporaryBuffer.recycle(buf);
    }
}
 
Example 8
Source Project: FastTextView   File: TextMeasureUtil.java    License: Apache License 2.0 4 votes vote down vote up
public static void getTextBounds(Paint paint, CharSequence text, @IntRange(from = 0) int start, @IntRange(from = 0) int end, Rect rect) {
  char[] currentText = new char[end - start];
  TextUtils.getChars(text, start, end, currentText, 0);
  paint.getTextBounds(currentText, 0, end - start, rect);
}