ScreenNail.java revision b29a27f475a2c449abdda8d4e03d30914feed8c6 
1/*
2 * Copyright (C) 2012 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 */
16package com.android.gallery3d.ui;
17
18import android.graphics.RectF;
19
20public interface ScreenNail {
21    public int getWidth();
22    public int getHeight();
23    public int getRotation();
24    public void draw(GLCanvas canvas, int x, int y, int width, int height);
25    public void noDraw();  // we do not need to draw this ScreenNail in this frame.
26    public void pauseDraw();  // we do not expect to draw this ScreenNail for some time.
27
28    // This is only used by TileImageView to back up the tiles not yet loaded.
29    public void draw(GLCanvas canvas, RectF source, RectF dest);
30}
31