19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text.style; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Typeface; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.ParcelableSpan; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextPaint; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Changes the typeface family of the text to which the span is attached. 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TypefaceSpan extends MetricAffectingSpan implements ParcelableSpan { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String mFamily; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param family The font family for this typeface. Examples include 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * "monospace", "serif", and "sans-serif". 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TypefaceSpan(String family) { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFamily = family; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TypefaceSpan(Parcel src) { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFamily = src.readString(); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSpanTypeId() { 45a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette return getSpanTypeIdInternal(); 46a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette } 47a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette 48a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette /** @hide */ 49a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette public int getSpanTypeIdInternal() { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TextUtils.TYPEFACE_SPAN; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int describeContents() { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel dest, int flags) { 58a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette writeToParcelInternal(dest, flags); 59a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette } 60a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette 61a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette /** @hide */ 62a70d4a90a029910f788c3e7f8715cf3b842b1e2bAlan Viverette public void writeToParcelInternal(Parcel dest, int flags) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest.writeString(mFamily); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the font family name. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getFamily() { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFamily; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateDrawState(TextPaint ds) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project apply(ds, mFamily); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateMeasureState(TextPaint paint) { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project apply(paint, mFamily); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void apply(Paint paint, String family) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int oldStyle; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Typeface old = paint.getTypeface(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (old == null) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oldStyle = 0; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oldStyle = old.getStyle(); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Typeface tf = Typeface.create(family, oldStyle); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fake = oldStyle & ~tf.getStyle(); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((fake & Typeface.BOLD) != 0) { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setFakeBoldText(true); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((fake & Typeface.ITALIC) != 0) { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setTextSkewX(-0.25f); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project paint.setTypeface(tf); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 107