Example usage for android.graphics Paint getTextWidths

Introduction

In this page you can find the example usage for android.graphics Paint getTextWidths.

Prototype

public int getTextWidths(String text, float[] widths) 

Source Link

Document

Return the advance widths for the characters in the string.

Usage

From source file:Main.java

/**
 * Gets the width of a text given the specified paint.
 *///from   www  .java 2 s  .co m
public static float getTextWidth(String text, Paint paint) {
    float[] widths = new float[text.length() * 2];
    paint.getTextWidths(text, widths);

    float sum = 0;
    for (float width : widths)
        sum += width;

    return sum;
}

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From source file:Main.java

public static int getTextWidth(Paint paint, String str) {
    int iRet = 0;
    if (str != null && str.length() > 0) {
        int len = str.length();
        float[] widths = new float[len];
        paint.getTextWidths(str, widths);
        for (int j = 0; j < len; j++) {
            iRet += (int) Math.ceil(widths[j]);
        }/*from   ww w. ja  v a 2 s.co  m*/
    }
    return iRet;
}

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From source file:Main.java

public static int getStringWidth(Paint paint, String str) {
    int iRet = 0;
    if (str != null && str.length() > 0) {
        int len = str.length();
        float[] widths = new float[len];
        paint.getTextWidths(str, widths);
        for (int j = 0; j < len; j++) {
            iRet += (int) Math.ceil(widths[j]);
        }/* w w w  .  ja v a2s  . c o m*/
    }
    return iRet;
}

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From source file:Main.java

public static float getTextWidth(Paint paint, String text, float textSize) {
    if (TextUtils.isEmpty(text)) {
        return 0;
    }/*from   www . ja  v a  2s  .  c  om*/
    paint.setTextSize(textSize);
    float[] widths = new float[text.length()];
    paint.getTextWidths(text, widths);
    float totalWidth = 0;
    for (int i = 0; i < widths.length; i++) {
        totalWidth += widths[i];
    }
    return totalWidth;
}

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From source file:com.android.deskclock.timer.TimerView.java

/**
 * Measure the text and add a start padding to the view
 * @param textView view to measure and onb to which add start padding
 *///from w  w  w .j a  v  a  2  s  .  co m
private void addStartPadding(TextView textView) {
    final float gapPadding = 0.45f;
    // allDigits will contain ten digits: "0123456789" in the default locale
    String allDigits = String.format(Locale.getDefault(), "%010d", 123456789);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setTextSize(textView.getTextSize());
    paint.setTypeface(textView.getTypeface());

    float widths[] = new float[allDigits.length()];
    int ll = paint.getTextWidths(allDigits, widths);
    int largest = 0;
    for (int ii = 1; ii < ll; ii++) {
        if (widths[ii] > widths[largest]) {
            largest = ii;
        }
    }
    // Add left padding to the view - Note: layout inherits LTR
    textView.setPadding((int) (gapPadding * widths[largest]), 0, 0, 0);
}

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From source file:com.slushpupie.deskclock.DeskClock.java

private Rect getBoundingBox(String text, Typeface font, float size) {
    Rect r = new Rect(0, 0, 0, 0);
    float widths[] = new float[text.length()];
    float width = 0;
    Paint paint = new Paint(0);
    paint.setTypeface(font);/*from w w  w. j a v a2 s  .co m*/
    paint.setTextSize(size);
    paint.getTextBounds(text, 0, text.length(), r);
    paint.getTextWidths(text, widths);
    for (float w : widths)
        width += w;
    r.right = (int) width;
    return r;
}

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