1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.text.style; 18 19 import android.graphics.Paint; 20 import android.graphics.Canvas; 21 import android.text.TextPaint; 22 23 public abstract class ReplacementSpan extends MetricAffectingSpan { 24 25 public abstract int getSize(Paint paint, CharSequence text, 26 int start, int end, 27 Paint.FontMetricsInt fm); 28 public abstract void draw(Canvas canvas, CharSequence text, 29 int start, int end, float x, 30 int top, int y, int bottom, Paint paint); 31 32 /** 33 * This method does nothing, since ReplacementSpans are measured 34 * explicitly instead of affecting Paint properties. 35 */ 36 public void updateMeasureState(TextPaint p) { } 37 38 /** 39 * This method does nothing, since ReplacementSpans are drawn 40 * explicitly instead of affecting Paint properties. 41 */ 42 public void updateDrawState(TextPaint ds) { } 43 } 44