Java Code Examples for android.text.TextPaint#getAlpha()

The following examples show how to use android.text.TextPaint#getAlpha() . 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 check out the related API usage on the sidebar.
Example 1
Source File: RtlMaterialSpinner.java    From RTLMaterialSpinner with Apache License 2.0 6 votes vote down vote up
private void initPaintObjects()
{

    paint = new Paint(Paint.ANTI_ALIAS_FLAG);

    textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
    textPaint.setTextSize(hintTextSize);
    if (typeface != null)
    {
        textPaint.setTypeface(typeface);
    }
    textPaint.setColor(baseColor);
    baseAlpha = textPaint.getAlpha();

    selectorPath = new Path();
    selectorPath.setFillType(Path.FillType.EVEN_ODD);

    selectorPoints = new Point[3];
    for (int i = 0; i < 3; i++)
    {
        selectorPoints[i] = new Point();
    }
}
 
Example 2
Source File: MaterialSpinner.java    From XERUNG with Apache License 2.0 6 votes vote down vote up
private void initPaintObjects() {

        int labelTextSize = getResources().getDimensionPixelSize(R.dimen.label_text_size);

        paint = new Paint(Paint.ANTI_ALIAS_FLAG);

        textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
        textPaint.setTextSize(labelTextSize);
        if (typeface != null) {
            textPaint.setTypeface(typeface);
        }
        textPaint.setColor(baseColor);
        baseAlpha = textPaint.getAlpha();

        selectorPath = new Path();
        selectorPath.setFillType(Path.FillType.EVEN_ODD);

        selectorPoints = new Point[3];
        for (int i = 0; i < 3; i++) {
            selectorPoints[i] = new Point();
        }
    }
 
Example 3
Source File: MaterialSpinner.java    From XERUNG with Apache License 2.0 6 votes vote down vote up
private void initPaintObjects() {

        int labelTextSize = getResources().getDimensionPixelSize(R.dimen.label_text_size);

        paint = new Paint(Paint.ANTI_ALIAS_FLAG);

        textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
        textPaint.setTextSize(labelTextSize);
        if (typeface != null) {
            textPaint.setTypeface(typeface);
        }
        textPaint.setColor(baseColor);
        baseAlpha = textPaint.getAlpha();

        selectorPath = new Path();
        selectorPath.setFillType(Path.FillType.EVEN_ODD);

        selectorPoints = new Point[3];
        for (int i = 0; i < 3; i++) {
            selectorPoints[i] = new Point();
        }
    }
 
Example 4
Source File: MaterialSpinner.java    From MaterialSpinner with Apache License 2.0 6 votes vote down vote up
private void initPaintObjects() {

        int labelTextSize = getResources().getDimensionPixelSize(R.dimen.label_text_size);

        paint = new Paint(Paint.ANTI_ALIAS_FLAG);

        textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
        textPaint.setTextSize(labelTextSize);
        if (typeface != null) {
            textPaint.setTypeface(typeface);
        }
        textPaint.setColor(baseColor);
        baseAlpha = textPaint.getAlpha();

        selectorPath = new Path();
        selectorPath.setFillType(Path.FillType.EVEN_ODD);

        selectorPoints = new Point[3];
        for (int i = 0; i < 3; i++) {
            selectorPoints[i] = new Point();
        }
    }
 
Example 5
Source File: TextProgressBar.java    From Qiitanium with MIT License 6 votes vote down vote up
private TextProgressDrawable(Builder builder) {
  mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
  mTextPaint.setStyle(Paint.Style.FILL);
  mTextPaint.setColor(builder.mTextColor);
  mTextPaint.setTextSize(builder.mTextSize);

  Paint.FontMetrics fm = mTextPaint.getFontMetrics();
  mText = builder.mText;
  mTextHeight = Math.round(fm.descent - fm.ascent);
  mTextWidth = Math.round(mTextPaint.measureText(mText, 0, mText.length()));

  mMaxAlpha = mTextPaint.getAlpha();
  mFBounds = new Rect();

  mAlphaAnimator = ValueAnimator.ofFloat(1f, 0f, 1f);
  mAlphaAnimator.setDuration(builder.mDuration);
  mAlphaAnimator.setRepeatCount(ValueAnimator.INFINITE);
  mAlphaAnimator.addUpdateListener(this);
}
 
Example 6
Source File: PasswordEntry.java    From android-proguards with Apache License 2.0 5 votes vote down vote up
/**
 * Progress through the morph:  0 = character, 1 = •
 */
void draw(Canvas canvas, TextPaint paint, CharSequence password,
          int index, float charWidth, float progress) {
    int alpha = paint.getAlpha();
    float x = charWidth * index;

    // draw the character
    canvas.save();
    float textScale = lerp(1f, textToMaskScale, progress);
    // scale character: shrinks to/grows from the mask's height
    canvas.scale(textScale, textScale, x + bounds.exactCenterX(), bounds.exactCenterY());
    // cross fade between the character/mask
    paint.setAlpha((int) lerp(alpha, 0, progress));
    // vertically move the character center toward/from the mask center
    canvas.drawText(password, index, index + 1,
            x, lerp(0f, textOffsetY, progress) / textScale, paint);
    canvas.restore();

    // draw the mask
    canvas.save();
    float maskScale = lerp(maskToTextScale, 1f, progress);
    // scale the mask: down from/up to the character width
    canvas.scale(maskScale, maskScale, x + bounds.exactCenterX(), bounds.exactCenterY());
    // cross fade between the mask/character
    paint.setAlpha((int) AnimUtils.lerp(0, alpha, progress));
    // vertically move the mask center from/toward the character center
    canvas.drawText(PASSWORD_MASK, 0, 1, x, -lerp(textOffsetY, 0f, progress), paint);
    canvas.restore();

    // restore the paint to how we found it
    paint.setAlpha(alpha);
}