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108 lines
3.7 KiB
Java
108 lines
3.7 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Walton <pcwalton@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.gfx.CairoImage;
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import org.mozilla.gecko.gfx.CairoUtils;
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import org.mozilla.gecko.gfx.IntSize;
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import org.mozilla.gecko.gfx.LayerController;
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import org.mozilla.gecko.gfx.TileLayer;
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import android.util.Log;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.FloatBuffer;
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import javax.microedition.khronos.opengles.GL10;
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/**
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* Encapsulates the logic needed to draw a single textured tile.
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*/
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public class SingleTileLayer extends TileLayer {
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private FloatBuffer mTexCoordBuffer, mVertexBuffer;
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private static final float[] VERTICES = {
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0.0f, 0.0f, 0.0f,
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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1.0f, 1.0f, 0.0f
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};
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private static final float[] TEX_COORDS = {
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0.0f, 0.0f,
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1.0f, 0.0f,
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0.0f, 1.0f,
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1.0f, 1.0f
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};
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public SingleTileLayer(CairoImage image) { this(false, image); }
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public SingleTileLayer(boolean repeat, CairoImage image) {
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super(repeat, image);
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mVertexBuffer = createBuffer(VERTICES);
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mTexCoordBuffer = createBuffer(TEX_COORDS);
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}
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@Override
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protected void onTileDraw(GL10 gl) {
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IntSize size = getSize();
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if (repeats()) {
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gl.glMatrixMode(GL10.GL_TEXTURE);
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gl.glPushMatrix();
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gl.glScalef(LayerController.TILE_WIDTH / size.width,
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LayerController.TILE_HEIGHT / size.height,
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1.0f);
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gl.glMatrixMode(GL10.GL_MODELVIEW);
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gl.glScalef(LayerController.TILE_WIDTH, LayerController.TILE_HEIGHT, 1.0f);
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} else {
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gl.glScalef(size.width, size.height, 1.0f);
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}
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gl.glBindTexture(GL10.GL_TEXTURE_2D, getTextureID());
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drawTriangles(gl, mVertexBuffer, mTexCoordBuffer, 4);
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if (repeats()) {
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gl.glMatrixMode(GL10.GL_TEXTURE);
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gl.glPopMatrix();
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gl.glMatrixMode(GL10.GL_MODELVIEW);
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}
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}
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}
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