/*
 * 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.BaseCanvas;
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
/** * 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 Canvas.drawText.
/** * Just like {@link Canvas#drawText}. */
void drawText(BaseCanvas c, int start, int end, float x, float y, Paint p);
Just like Canvas.drawTextRun.
/** * Just like {@link Canvas#drawTextRun}. */
void drawTextRun(BaseCanvas c, int start, int end, int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p);
Just like Paint.measureText.
/** * 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}. */ float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, boolean isRtl, float[] advances, int advancesIndex, Paint paint); /** * Just like {@link Paint#getTextRunCursor}. */ int getTextRunCursor(int contextStart, int contextEnd, int dir, int offset, int cursorOpt, Paint p); }