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 */ 16 package com.android.gallery3d.ui; 17 18 import android.graphics.RectF; 19 20 import com.android.gallery3d.glrenderer.GLCanvas; 21 22 public interface ScreenNail { getWidth()23 public int getWidth(); getHeight()24 public int getHeight(); draw(GLCanvas canvas, int x, int y, int width, int height)25 public void draw(GLCanvas canvas, int x, int y, int width, int height); 26 27 // We do not need to draw this ScreenNail in this frame. noDraw()28 public void noDraw(); 29 30 // This ScreenNail will not be used anymore. Release related resources. recycle()31 public void recycle(); 32 33 // This is only used by TileImageView to back up the tiles not yet loaded. draw(GLCanvas canvas, RectF source, RectF dest)34 public void draw(GLCanvas canvas, RectF source, RectF dest); 35 } 36