android.text.TextPaint#getColor ( )源码实例Demo

private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed,
                                                boolean leaveIconSpace) throws NullPointerException {
    if (mChipBackground == null) {
        throw new NullPointerException(
                "Unable to render any chips as setChipDimensions was not called.");
    }

    TextPaint paint = getPaint();
    float defaultSize = paint.getTextSize();
    int defaultColor = paint.getColor();

    Bitmap tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace);

    // Pass the full text, un-ellipsized, to the chip.
    Drawable result = new BitmapDrawable(getResources(), tmpBitmap);
    result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight());
    DrawableRecipientChip recipientChip =
            new VisibleRecipientChip(result, contact, getImageSpanAlignment());
    // Return text to the original size.
    paint.setTextSize(defaultSize);
    paint.setColor(defaultColor);
    return recipientChip;
}
 

@Override
public void updateDrawState(TextPaint paint) {
	if (paint.getColor() != Color.TRANSPARENT) {
		if (hidden) {
			paint.setColor(foregroundColor & 0x00ffffff | Color.argb(Color.alpha(foregroundColor) / 2, 0, 0, 0));
			paint.setStrikeThruText(true);
		} else {
			paint.setColor(foregroundColor);
		}
		paint.setUnderlineText(true);
		if (clicked) {
			paint.bgColor = Color.alpha(paint.bgColor) == 0x00 ? clickedColor
					: GraphicsUtils.mixColors(paint.bgColor, clickedColor);
		}
	}
}
 

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;
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;
}
 

private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed,
                                                boolean leaveIconSpace) throws NullPointerException {
    if (mChipBackground == null) {
        throw new NullPointerException(
                "Unable to render any chips as setChipDimensions was not called.");
    }

    TextPaint paint = getPaint();
    float defaultSize = paint.getTextSize();
    int defaultColor = paint.getColor();

    Bitmap tmpBitmap;
    if (pressed) {
        tmpBitmap = createSelectedChip(contact, paint);

    } else {
        tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace);
    }

    // Pass the full text, un-ellipsized, to the chip.
    Drawable result = new BitmapDrawable(getResources(), tmpBitmap);
    result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight());
    DrawableRecipientChip recipientChip =
            new VisibleRecipientChip(result, contact, getImageSpanAlignment());
    // Return text to the original size.
    paint.setTextSize(defaultSize);
    paint.setColor(defaultColor);
    return recipientChip;
}
 

@Override
public void updateDrawState(TextPaint p) {
    int l = p.linkColor;
    int c = p.getColor();
    super.updateDrawState(p);
    if (style != null) {
        style.applyStyle(p);
    }
    p.setUnderlineText(l == c);
}
 

@Override
public void updateDrawState(TextPaint p) {
    int color = p.getColor();
    super.updateDrawState(p);
    if (style != null) {
        style.applyStyle(p);
        p.setUnderlineText(p.linkColor == color);
    }
}
 

@Override
public void updateDrawState(TextPaint p) {
    int l = p.linkColor;
    int c = p.getColor();
    super.updateDrawState(p);
    if (style != null) {
        style.applyStyle(p);
    }
    p.setUnderlineText(l == c);
}
 

@Override
public void updateDrawState(TextPaint p) {
    int color = p.getColor();
    super.updateDrawState(p);
    if (style != null) {
        style.applyStyle(p);
        p.setUnderlineText(p.linkColor == color);
    }
}
 

@Override
public void updateDrawState(TextPaint tp) {
    int color = ((int) (0xFF * alpha) << 24) | (tp.getColor() & 0x00FFFFFF);
    tp.setColor(color);
}
 

private void drawSpannableString(final Canvas canvas, CharSequence hint, final TextPaint paint, final int start_x, final int start_y) {
    // draw each span one at a time
    int next;
    float xStart = start_x;
    float xEnd;

    if (paint != errorPaint)
        hint = TextUtils.ellipsize(hint, paint, getWidth() - padding_left - padding_right - label_horizontal_margin, TextUtils.TruncateAt.END);

    if (hint instanceof SpannableString) {
        SpannableString spannableString = (SpannableString) hint;
        for (int i = 0; i < spannableString.length(); i = next) {

            // find the next span transition
            next = spannableString.nextSpanTransition(i, spannableString.length(), CharacterStyle.class);

            // measure the length of the span
            xEnd = xStart + paint.measureText(spannableString, i, next);

            // draw the highlight (background color) first
            BackgroundColorSpan[] bgSpans = spannableString.getSpans(i, next, BackgroundColorSpan.class);
            if (bgSpans.length > 0) {
                Paint mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
                mHighlightPaint.setColor(bgSpans[0].getBackgroundColor());
                canvas.drawRect(xStart, start_y + paint.getFontMetrics().top, xEnd, start_y + paint.getFontMetrics().bottom, mHighlightPaint);
            }

            // draw the text with an optional foreground color
            ForegroundColorSpan[] fgSpans = spannableString.getSpans(i, next, ForegroundColorSpan.class);
            if (fgSpans.length > 0) {
                int saveColor = paint.getColor();
                paint.setColor(fgSpans[0].getForegroundColor());
                canvas.drawText(spannableString, i, next, xStart, start_y, paint);
                paint.setColor(saveColor);
            } else {
                canvas.drawText(spannableString, i, next, xStart, start_y, paint);
            }

            xStart = xEnd;
        }
    } else {
        canvas.drawText(hint, 0, hint.length(), xStart, start_y, paint);
    }

}
 

@Override
public void updateDrawState(TextPaint paint) {
	if (paint.getColor() != Color.TRANSPARENT) {
		paint.setColor(foregroundColor);
	}
}
 

@Override
public void updateDrawState(TextPaint paint) {
	if (paint.getColor() != Color.TRANSPARENT) {
		paint.setColor(GraphicsUtils.modifyColorGain(foregroundColor, colorGainFactor));
	}
}