Example usage for android.text TextPaint getTextWidths

Introduction

In this page you can find the example usage for android.text TextPaint getTextWidths.

Prototype

public int getTextWidths(char[] text, int index, int count, float[] widths) 

Source Link

Document

Return the advance widths for the characters in the string.

Usage

From source file:Main.java

private static int getTextWidth(final CharSequence text, final TextPaint paint) {
    if (TextUtils.isEmpty(text)) {
        return 0;
    }/*from www.  j av a  2  s. c o m*/
    final Typeface savedTypeface = paint.getTypeface();
    paint.setTypeface(getTextTypeface(text));
    final int len = text.length();
    final float[] widths = new float[len];
    final int count = paint.getTextWidths(text, 0, len, widths);
    int width = 0;
    for (int i = 0; i < count; i++) {
        width += Math.round(widths[i] + 0.5f);
    }
    paint.setTypeface(savedTypeface);
    return width;
}

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From source file:Main.java

private static int getTextWidth(@Nullable final CharSequence text, final TextPaint paint) {
    if (TextUtils.isEmpty(text)) {
        return 0;
    }/*  ww  w .  j  av a2  s  .  com*/
    final int length = text.length();
    final float[] widths = new float[length];
    final int count;
    final Typeface savedTypeface = paint.getTypeface();
    try {
        paint.setTypeface(getTextTypeface(text));
        count = paint.getTextWidths(text, 0, length, widths);
    } finally {
        paint.setTypeface(savedTypeface);
    }
    int width = 0;
    for (int i = 0; i < count; i++) {
        width += Math.round(widths[i] + 0.5f);
    }
    return width;
}

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