Example usage for android.text TextPaint getTextSize

Introduction

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

Prototype

public float getTextSize() 

Source Link

Document

Return the paint's text size.

Usage

From source file:Main.java

/**
 * Draw text on canvas. Shade if text too long to fit.
 *
 * @param canvas The canvas to draw in.// ww  w . j  a v  a  2  s  . co  m
 * @param text The text to draw.
 * @param x The x coordinate.
 * @param y The y coordinate.
 * @param textPaint The paint to draw with.
 * @param availableWidth The available width for the text
 */
public static void drawText(Canvas canvas, String text, float x, float y, TextPaint textPaint,
        int availableWidth) {
    text = text.replaceAll("\\r?\\n", " ");
    final TextPaint localTextPaint = new TextPaint(textPaint);
    final float pixelsToShade = 1.5F * localTextPaint.getTextSize();
    int characters = text.length();

    if (localTextPaint.measureText(text) > availableWidth) {
        Paint.Align align = localTextPaint.getTextAlign();
        float shaderStopX;
        characters = localTextPaint.breakText(text, true, availableWidth, null);
        if (align == Paint.Align.LEFT) {
            shaderStopX = x + availableWidth;
        } else if (align == Paint.Align.CENTER) {
            float[] measuredWidth = new float[1];
            characters = localTextPaint.breakText(text, true, availableWidth, measuredWidth);
            shaderStopX = x + (measuredWidth[0] / 2);
        } else { // align == Paint.Align.RIGHT
            shaderStopX = x;
        }
        // Hex 0x60000000 = first two bytes is alpha, gives semitransparent
        localTextPaint.setShader(new LinearGradient(shaderStopX - pixelsToShade, 0, shaderStopX, 0,
                localTextPaint.getColor(), localTextPaint.getColor() + 0x60000000, Shader.TileMode.CLAMP));
    }
    canvas.drawText(text, 0, characters, x, y, localTextPaint);
}

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From source file:com.android.ex.chips.RecipientEditTextView.java

private DrawableRecipientChip constructChipSpan(final RecipientEntry contact, final boolean pressed,
        final boolean leaveIconSpace) throws NullPointerException {
    if (mChipBackground == null)
        throw new NullPointerException("Unable to render any chips as setChipDimensions was not called.");
    final TextPaint paint = getPaint();
    final float defaultSize = paint.getTextSize();
    final int defaultColor = paint.getColor();
    Bitmap tmpBitmap;/* www  . j  av a2 s  .  c  o m*/
    if (pressed)
        tmpBitmap = createSelectedChip(contact, paint);
    else
        tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace);
    // Pass the full text, un-ellipsized, to the chip.
    final Drawable result = new BitmapDrawable(getResources(), tmpBitmap);
    result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight());
    final DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact);
    // Return text to the original size.
    paint.setTextSize(defaultSize);
    paint.setColor(defaultColor);
    return recipientChip;
}

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