| /* |
| * 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.Paint; |
| import android.graphics.Typeface; |
| import android.text.TextPaint; |
| |
| /** |
| * Changes the typeface family of the text to which the span is attached. |
| */ |
| public class TypefaceSpan extends MetricAffectingSpan { |
| private String mFamily; |
| |
| /** |
| * @param family The font family for this typeface. Examples include |
| * "monospace", "serif", and "sans-serif". |
| */ |
| public TypefaceSpan(String family) { |
| mFamily = family; |
| } |
| |
| /** |
| * Returns the font family name. |
| */ |
| public String getFamily() { |
| return mFamily; |
| } |
| |
| @Override |
| public void updateDrawState(TextPaint ds) { |
| apply(ds, mFamily); |
| } |
| |
| @Override |
| public void updateMeasureState(TextPaint paint) { |
| apply(paint, mFamily); |
| } |
| |
| private static void apply(Paint paint, String family) { |
| int oldStyle; |
| |
| Typeface old = paint.getTypeface(); |
| if (old == null) { |
| oldStyle = 0; |
| } else { |
| oldStyle = old.getStyle(); |
| } |
| |
| Typeface tf = Typeface.create(family, oldStyle); |
| int fake = oldStyle & ~tf.getStyle(); |
| |
| if ((fake & Typeface.BOLD) != 0) { |
| paint.setFakeBoldText(true); |
| } |
| |
| if ((fake & Typeface.ITALIC) != 0) { |
| paint.setTextSkewX(-0.25f); |
| } |
| |
| paint.setTypeface(tf); |
| } |
| } |