/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.gallery3d.glrenderer;
// Texture is a rectangular image which can be drawn on GLCanvas.
// The isOpaque() function gives a hint about whether the texture is opaque,
// so the drawing can be done faster.
//
// This is the current texture hierarchy:
//
// Texture
// -- ColorTexture
// -- FadeInTexture
// -- BasicTexture
// -- UploadedTexture
// -- BitmapTexture
// -- Tile
// -- ResourceTexture
// -- NinePatchTexture
// -- CanvasTexture
// -- StringTexture
//
public interface Texture {
public int getWidth();
public int getHeight();
public void draw(GLCanvas canvas, int x, int y);
public void draw(GLCanvas canvas, int x, int y, int w, int h);
public boolean isOpaque();
}