19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 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; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reckimport android.graphics.BaseCanvas; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 24caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * Please implement this interface if your CharSequence can do quick draw/measure/widths 25caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * calculations from an internal array. 26caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * 27caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck * @hide 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 29caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reckpublic interface GraphicsOperations extends CharSequence { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Just like {@link Canvas#drawText}. 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck void drawText(BaseCanvas c, int start, int end, 34caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck float x, float y, Paint p); 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt * Just like {@link Canvas#drawTextRun}. 38f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt */ 39caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck void drawTextRun(BaseCanvas c, int start, int end, int contextStart, int contextEnd, 40051910b9f998030dacb8a0722588cc715813fde1Raph Levien float x, float y, boolean isRtl, Paint p); 41f47d7405bbcb25d7cdf89ebb059f41520fe9ab87Doug Felt 42caa08ff5e9ee004634a95776fc72bb769f1286deJohn Reck /** 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Just like {@link Paint#measureText}. 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float measureText(int start, int end, Paint p); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Just like {@link Paint#getTextWidths}. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getTextWidths(int start, int end, float[] widths, Paint p); 510c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt 520c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt /** 530c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * Just like {@link Paint#getTextRunAdvances}. 540c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt */ 550c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, 56051910b9f998030dacb8a0722588cc715813fde1Raph Levien boolean isRtl, float[] advances, int advancesIndex, Paint paint); 57da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio 58da12f389eb4be0c08ca3fa9ca7663f4977858df5Fabrice Di Meglio /** 590c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt * Just like {@link Paint#getTextRunCursor}. 600c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt */ 61051910b9f998030dacb8a0722588cc715813fde1Raph Levien int getTextRunCursor(int contextStart, int contextEnd, int dir, int offset, 620c702b88c5d0d4380930b920f5be6e66dd95a0d8Doug Felt int cursorOpt, Paint p); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 64