The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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; |
| 18 | |
| 19 | import android.graphics.Canvas; |
| 20 | import android.graphics.Paint; |
| 21 | |
| 22 | /** |
| 23 | * Please implement this interface if your CharSequence can do quick |
| 24 | * draw/measure/widths calculations from an internal array. |
| 25 | * {@hide} |
| 26 | */ |
| 27 | public interface GraphicsOperations |
| 28 | extends CharSequence |
| 29 | { |
| 30 | /** |
| 31 | * Just like {@link Canvas#drawText}. |
| 32 | */ |
| 33 | void drawText(Canvas c, int start, int end, |
| 34 | float x, float y, Paint p); |
| 35 | |
| 36 | /** |
Doug Felt | f47d740 | 2010-04-21 16:01:52 -0700 | [diff] [blame] | 37 | * Just like {@link Canvas#drawTextRun}. |
Kenny Root | dfd550d | 2010-05-13 06:21:41 -0700 | [diff] [blame] | 38 | * {@hide} |
Doug Felt | f47d740 | 2010-04-21 16:01:52 -0700 | [diff] [blame] | 39 | */ |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 40 | void drawTextRun(Canvas c, int start, int end, int contextStart, int contextEnd, |
Fabrice Di Meglio | da12f38 | 2013-03-15 11:26:56 -0700 | [diff] [blame] | 41 | float x, float y, int flags, Paint p); |
Doug Felt | f47d740 | 2010-04-21 16:01:52 -0700 | [diff] [blame] | 42 | |
| 43 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | * Just like {@link Paint#measureText}. |
| 45 | */ |
| 46 | float measureText(int start, int end, Paint p); |
| 47 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | /** |
| 49 | * Just like {@link Paint#getTextWidths}. |
| 50 | */ |
| 51 | public int getTextWidths(int start, int end, float[] widths, Paint p); |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * Just like {@link Paint#getTextRunAdvances}. |
| 55 | * @hide |
| 56 | */ |
| 57 | float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, |
Fabrice Di Meglio | da12f38 | 2013-03-15 11:26:56 -0700 | [diff] [blame] | 58 | int flags, float[] advances, int advancesIndex, Paint paint); |
| 59 | |
| 60 | /** |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 61 | * Just like {@link Paint#getTextRunCursor}. |
| 62 | * @hide |
| 63 | */ |
Fabrice Di Meglio | da12f38 | 2013-03-15 11:26:56 -0700 | [diff] [blame] | 64 | int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset, |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 65 | int cursorOpt, Paint p); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | } |