48 lines
1.4 KiB
Java
48 lines
1.4 KiB
Java
/*
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* Copyright (C) 2010 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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// Texture is a rectangular image which can be drawn on GLCanvas.
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// The isOpaque() function gives a hint about whether the texture is opaque,
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// so the drawing can be done faster.
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//
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// This is the current texture hierarchy:
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//
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// Texture
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// -- ColorTexture
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// -- FadeInTexture
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// -- BasicTexture
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// -- UploadedTexture
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// -- BitmapTexture
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// -- Tile
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// -- ResourceTexture
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// -- NinePatchTexture
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// -- CanvasTexture
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// -- StringTexture
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//
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public interface Texture {
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int getWidth();
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int getHeight();
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void draw(GLCanvas canvas, int x, int y);
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void draw(GLCanvas canvas, int x, int y, int w, int h);
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void draw(GLCanvas canvas, RectF source, RectF target);
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boolean isOpaque();
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}
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