1/*
2 * Copyright (C) 2010 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
17package com.replica.replicaisland;
18
19/**
20 * Implements a bitmap that can be scrolled in place, such as the background of a scrolling
21 * world.
22 */
23public class ScrollableBitmap extends DrawableBitmap {
24    private float mScrollOriginX;
25    private float mScrollOriginY;
26
27    public ScrollableBitmap(Texture texture, int width, int height) {
28        super(texture, width, height);
29    }
30
31    public void setScrollOrigin(float x, float y) {
32        mScrollOriginX = x;
33        mScrollOriginY = y;
34    }
35
36    @Override
37    public void draw(float x, float y, float scaleX, float scaleY) {
38        super.draw(x - mScrollOriginX, y - mScrollOriginY, scaleX, scaleY);
39    }
40
41    public float getScrollOriginX() {
42        return mScrollOriginX;
43    }
44
45    public void setScrollOriginX(float scrollOriginX) {
46        mScrollOriginX = scrollOriginX;
47    }
48
49    public float getScrollOriginY() {
50        return mScrollOriginY;
51    }
52
53    public void setScrollOriginY(float scrollOriginY) {
54        mScrollOriginY = scrollOriginY;
55    }
56}
57