1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 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.badlogic.gdx.tests; 18 19 import com.badlogic.gdx.Gdx; 20 import com.badlogic.gdx.Input; 21 import com.badlogic.gdx.InputAdapter; 22 import com.badlogic.gdx.graphics.Color; 23 import com.badlogic.gdx.graphics.GL20; 24 import com.badlogic.gdx.graphics.OrthographicCamera; 25 import com.badlogic.gdx.graphics.Pixmap; 26 import com.badlogic.gdx.graphics.Pixmap.Format; 27 import com.badlogic.gdx.graphics.Texture.TextureFilter; 28 import com.badlogic.gdx.graphics.g2d.PixmapPacker; 29 import com.badlogic.gdx.graphics.g2d.SpriteBatch; 30 import com.badlogic.gdx.graphics.g2d.TextureAtlas; 31 import com.badlogic.gdx.graphics.g2d.TextureRegion; 32 import com.badlogic.gdx.graphics.glutils.ShapeRenderer; 33 import com.badlogic.gdx.tests.utils.GdxTest; 34 import com.badlogic.gdx.utils.Array; 35 36 public class PixmapPackerTest extends GdxTest { 37 38 OrthographicCamera camera; 39 SpriteBatch batch; 40 ShapeRenderer shapeRenderer; 41 42 TextureAtlas atlas; 43 44 int pageToShow = 0; 45 Array<TextureRegion> textureRegions; 46 47 @Override create()48 public void create () { 49 batch = new SpriteBatch(); 50 shapeRenderer = new ShapeRenderer(); 51 52 camera = new OrthographicCamera(Gdx.graphics.getWidth(), Gdx.graphics.getHeight()); 53 camera.position.set(Gdx.graphics.getWidth() / 2, Gdx.graphics.getHeight() / 2, 0); 54 camera.update(); 55 56 Pixmap pixmap1 = new Pixmap(Gdx.files.internal("data/badlogic.jpg")); 57 Pixmap pixmap2 = new Pixmap(Gdx.files.internal("data/particle-fire.png")); 58 Pixmap pixmap3 = new Pixmap(Gdx.files.internal("data/isotile.png")); 59 60 PixmapPacker packer = new PixmapPacker(1024, 1024, Format.RGBA8888, 8, false); 61 for (int count = 1; count <= 3; ++count) { 62 packer.pack("badlogic " + count, pixmap1); 63 packer.pack("fire " + count, pixmap2); 64 packer.pack("isotile " + count, pixmap3); 65 } 66 67 atlas = packer.generateTextureAtlas(TextureFilter.Nearest, TextureFilter.Nearest, false); 68 Gdx.app.log("PixmapPackerTest", "Number of initial textures: " + atlas.getTextures().size); 69 70 packer.setPackToTexture(true); 71 72 for (int count = 4; count <= 10; ++count) { 73 packer.pack("badlogic " + count, pixmap1); 74 packer.pack("fire " + count, pixmap2); 75 packer.pack("isotile " + count, pixmap3); 76 } 77 78 pixmap1.dispose(); 79 pixmap2.dispose(); 80 pixmap3.dispose(); 81 82 packer.updateTextureAtlas(atlas, TextureFilter.Nearest, TextureFilter.Nearest, false); 83 textureRegions = new Array<TextureRegion>(); 84 packer.updateTextureRegions(textureRegions, TextureFilter.Nearest, TextureFilter.Nearest, false); 85 Gdx.app.log("PixmapPackerTest", "Number of updated textures: " + atlas.getTextures().size); 86 Gdx.input.setInputProcessor(new InputAdapter() { 87 @Override 88 public boolean keyDown (int keycode) { 89 if (keycode >= Input.Keys.NUM_0 && keycode <= Input.Keys.NUM_9) { 90 int number = keycode - Input.Keys.NUM_0; 91 if (number < textureRegions.size) { 92 pageToShow = number; 93 } 94 } 95 return super.keyDown(keycode); 96 } 97 }); 98 } 99 100 @Override render()101 public void render () { 102 Gdx.gl.glClearColor(0.2f, 0.2f, 0.2f, 1); 103 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 104 int size = Math.min(Gdx.graphics.getWidth(), Gdx.graphics.getHeight()); 105 batch.begin(); 106 batch.draw(textureRegions.get(pageToShow), 0, 0, size, size); 107 batch.end(); 108 shapeRenderer.begin(ShapeRenderer.ShapeType.Line); 109 shapeRenderer.setColor(Color.GREEN); 110 shapeRenderer.rect(0, 0, size, size); 111 shapeRenderer.end(); 112 } 113 114 @Override dispose()115 public void dispose () { 116 atlas.dispose(); 117 } 118 } 119
