| /* |
| * Copyright (C) 2008 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; |
| |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| |
| /** |
| * Please implement this interface if your CharSequence can do quick |
| * draw/measure/widths calculations from an internal array. |
| * {@hide} |
| */ |
| public interface GraphicsOperations |
| extends CharSequence |
| { |
| /** |
| * Just like {@link Canvas#drawText}. |
| */ |
| void drawText(Canvas c, int start, int end, |
| float x, float y, Paint p); |
| |
| /** |
| * Just like {@link Canvas#drawTextRun}. |
| * {@hide} |
| */ |
| void drawTextRun(Canvas c, int start, int end, int contextStart, int contextEnd, |
| float x, float y, int flags, Paint p); |
| |
| /** |
| * Just like {@link Paint#measureText}. |
| */ |
| float measureText(int start, int end, Paint p); |
| |
| /** |
| * Just like {@link Paint#getTextWidths}. |
| */ |
| public int getTextWidths(int start, int end, float[] widths, Paint p); |
| |
| /** |
| * Just like {@link Paint#getTextRunAdvances}. |
| * @hide |
| */ |
| float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, |
| int flags, float[] advances, int advancesIndex, Paint paint); |
| |
| /** |
| * Just like {@link Paint#getTextRunAdvances}. |
| * @hide |
| */ |
| float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, |
| int flags, float[] advances, int advancesIndex, Paint paint, int reserved); |
| |
| /** |
| * Just like {@link Paint#getTextRunCursor}. |
| * @hide |
| */ |
| int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset, |
| int cursorOpt, Paint p); |
| } |