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 17 package com.android.gallery3d.glrenderer; 18 19 20 // Texture is a rectangular image which can be drawn on GLCanvas. 21 // The isOpaque() function gives a hint about whether the texture is opaque, 22 // so the drawing can be done faster. 23 // 24 // This is the current texture hierarchy: 25 // 26 // Texture 27 // -- ColorTexture 28 // -- FadeInTexture 29 // -- BasicTexture 30 // -- UploadedTexture 31 // -- BitmapTexture 32 // -- Tile 33 // -- ResourceTexture 34 // -- NinePatchTexture 35 // -- CanvasTexture 36 // -- StringTexture 37 // 38 public interface Texture { 39 public int getWidth(); 40 public int getHeight(); 41 public void draw(GLCanvas canvas, int x, int y); 42 public void draw(GLCanvas canvas, int x, int y, int w, int h); 43 public boolean isOpaque(); 44 } 45
