Example usage for android.text TextPaint setAntiAlias

Introduction

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

Prototype

public void setAntiAlias(boolean aa) 

Source Link

Document

Helper for setFlags(), setting or clearing the ANTI_ALIAS_FLAG bit AntiAliasing smooths out the edges of what is being drawn, but is has no impact on the interior of the shape.

Usage

From source file:com.bitflake.counter.HorizontalPicker.java

public HorizontalPicker(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    // create the selector wheel paint
    TextPaint paint = new TextPaint();
    paint.setAntiAlias(true);
    textPaint = paint;/*w  w  w  . j a  v a  2s  .co  m*/

    TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.HorizontalPicker, defStyle, 0);

    CharSequence[] values;
    int ellipsize = 3; // END default value
    int sideItems = this.sideItems;

    try {
        textColor = a.getColorStateList(R.styleable.HorizontalPicker_android_textColor);
        if (textColor == null) {
            textColor = ColorStateList.valueOf(0xFF000000);
        }

        values = a.getTextArray(R.styleable.HorizontalPicker_values);
        ellipsize = a.getInt(R.styleable.HorizontalPicker_android_ellipsize, ellipsize);
        marqueeRepeatLimit = a.getInt(R.styleable.HorizontalPicker_android_marqueeRepeatLimit,
                marqueeRepeatLimit);
        dividerSize = a.getDimension(R.styleable.HorizontalPicker_dividerSize, dividerSize);
        sideItems = a.getInt(R.styleable.HorizontalPicker_sideItems, sideItems);

        float textSize = a.getDimension(R.styleable.HorizontalPicker_android_textSize, -1);
        if (textSize > -1) {
            setTextSize(textSize);
        }
    } finally {
        a.recycle();
    }

    switch (ellipsize) {
    case 1:
        setEllipsize(TextUtils.TruncateAt.START);
        break;
    case 2:
        setEllipsize(TextUtils.TruncateAt.MIDDLE);
        break;
    case 3:
        setEllipsize(TextUtils.TruncateAt.END);
        break;
    case 4:
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
        break;
    }

    Paint.FontMetricsInt fontMetricsInt = textPaint.getFontMetricsInt();
    boringMetrics = new BoringLayout.Metrics();
    boringMetrics.ascent = fontMetricsInt.ascent;
    boringMetrics.bottom = fontMetricsInt.bottom;
    boringMetrics.descent = fontMetricsInt.descent;
    boringMetrics.leading = fontMetricsInt.leading;
    boringMetrics.top = fontMetricsInt.top;
    boringMetrics.width = itemWidth;

    setWillNotDraw(false);

    flingScrollerX = new OverScroller(context);
    adjustScrollerX = new OverScroller(context, new DecelerateInterpolator(2.5f));

    // initialize constants
    ViewConfiguration configuration = ViewConfiguration.get(context);
    touchSlop = configuration.getScaledTouchSlop();
    mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
    maximumFlingVelocity = configuration.getScaledMaximumFlingVelocity()
            / SELECTOR_MAX_FLING_VELOCITY_ADJUSTMENT;
    overscrollDistance = configuration.getScaledOverscrollDistance();

    previousScrollerX = Integer.MIN_VALUE;

    setValues(values);
    setSideItems(sideItems);

    touchHelper = new PickerTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, touchHelper);

}

---

From source file:kr.selfcontrol.selflocklauncher.picker.HorizontalPicker.java

public HorizontalPicker(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);

    // create the selector wheel paint
    TextPaint paint = new TextPaint();
    paint.setAntiAlias(true);
    mTextPaint = paint;//from   ww  w  . j a v a2 s .c o m

    TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.HorizontalPicker, defStyle, 0);

    CharSequence[] values;
    int ellipsize = 3; // END default value
    int sideItems = mSideItems;

    try {
        mTextColor = a.getColorStateList(R.styleable.HorizontalPicker_android_textColor);
        if (mTextColor == null) {
            mTextColor = ColorStateList.valueOf(0xFF000000);
        }

        values = a.getTextArray(R.styleable.HorizontalPicker_values);
        ellipsize = a.getInt(R.styleable.HorizontalPicker_android_ellipsize, ellipsize);
        mMarqueeRepeatLimit = a.getInt(R.styleable.HorizontalPicker_android_marqueeRepeatLimit,
                mMarqueeRepeatLimit);
        mDividerSize = a.getDimension(R.styleable.HorizontalPicker_dividerSize, mDividerSize);
        sideItems = a.getInt(R.styleable.HorizontalPicker_sideItems, sideItems);

        float textSize = a.getDimension(R.styleable.HorizontalPicker_android_textSize, -1);
        if (textSize > -1) {
            setTextSize(textSize);
        }
    } finally {
        a.recycle();
    }

    switch (ellipsize) {
    case 1:
        setEllipsize(TextUtils.TruncateAt.START);
        break;
    case 2:
        setEllipsize(TextUtils.TruncateAt.MIDDLE);
        break;
    case 3:
        setEllipsize(TextUtils.TruncateAt.END);
        break;
    case 4:
        setEllipsize(TextUtils.TruncateAt.MARQUEE);
        break;
    }

    Paint.FontMetricsInt fontMetricsInt = mTextPaint.getFontMetricsInt();
    mBoringMetrics = new BoringLayout.Metrics();
    mBoringMetrics.ascent = fontMetricsInt.ascent;
    mBoringMetrics.bottom = fontMetricsInt.bottom;
    mBoringMetrics.descent = fontMetricsInt.descent;
    mBoringMetrics.leading = fontMetricsInt.leading;
    mBoringMetrics.top = fontMetricsInt.top;
    mBoringMetrics.width = mItemWidth;

    setWillNotDraw(false);

    mFlingScrollerX = new OverScroller(context);
    mAdjustScrollerX = new OverScroller(context, new DecelerateInterpolator(2.5f));

    // initialize constants
    ViewConfiguration configuration = ViewConfiguration.get(context);
    mTouchSlop = configuration.getScaledTouchSlop();
    mMinimumFlingVelocity = configuration.getScaledMinimumFlingVelocity();
    mMaximumFlingVelocity = configuration.getScaledMaximumFlingVelocity()
            / SELECTOR_MAX_FLING_VELOCITY_ADJUSTMENT;
    mOverscrollDistance = configuration.getScaledOverscrollDistance();

    mPreviousScrollerX = Integer.MIN_VALUE;

    setValues(values);
    setSideItems(sideItems);

    mTouchHelper = new PickerTouchHelper(this);
    ViewCompat.setAccessibilityDelegate(this, mTouchHelper);

}

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