53 lines
1.6 KiB
Java
53 lines
1.6 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.glview.glrenderer;
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import android.graphics.RectF;
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// FadeOutTexture is a texture which begins with a given texture, then gradually animates
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// into fading out totally.
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public class FadeOutTexture extends FadeTexture {
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private final BasicTexture mTexture;
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public FadeOutTexture(BasicTexture texture) {
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super(texture.getWidth(), texture.getHeight(), texture.isOpaque());
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mTexture = texture;
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}
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@Override
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public void draw(GLCanvas canvas, int x, int y, int w, int h) {
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if (isAnimating()) {
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canvas.save(GLCanvas.SAVE_FLAG_ALPHA);
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canvas.setAlpha(getRatio());
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mTexture.draw(canvas, x, y, w, h);
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canvas.restore();
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}
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}
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@Override
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public void draw(GLCanvas canvas, RectF source, RectF target) {
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if (isAnimating()) {
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canvas.save(GLCanvas.SAVE_FLAG_ALPHA);
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canvas.setAlpha(getRatio());
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mTexture.draw(canvas, source, target);
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canvas.restore();
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}
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}
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}
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