/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.text.style; import android.graphics.MaskFilter; import android.text.TextPaint; /** * Span that allows setting a {@link MaskFilter} to the text it's attached to. *
* For example, to blur a text, a {@link android.graphics.BlurMaskFilter} can be used: *
* MaskFilter blurMask = new BlurMaskFilter(5f, BlurMaskFilter.Blur.NORMAL); * SpannableString string = new SpannableString("Text with blur mask"); * string.setSpan(new MaskFilterSpan(blurMask), 10, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); **
MaskFilterSpan
.TextPaint
*/
public MaskFilterSpan(MaskFilter filter) {
mFilter = filter;
}
/**
* Return the mask filter for this span.
*
* @return the mask filter for this span
*/
public MaskFilter getMaskFilter() {
return mFilter;
}
@Override
public void updateDrawState(TextPaint ds) {
ds.setMaskFilter(mFilter);
}
}