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.InputAdapter; 21 import com.badlogic.gdx.graphics.Color; 22 import com.badlogic.gdx.graphics.GL20; 23 import com.badlogic.gdx.graphics.Texture; 24 import com.badlogic.gdx.graphics.g2d.BitmapFont; 25 import com.badlogic.gdx.graphics.g2d.BitmapFontCache; 26 import com.badlogic.gdx.graphics.g2d.Sprite; 27 import com.badlogic.gdx.graphics.g2d.SpriteBatch; 28 import com.badlogic.gdx.math.Matrix4; 29 import com.badlogic.gdx.tests.utils.GdxTest; 30 import com.badlogic.gdx.utils.Align; 31 32 public class BitmapFontFlipTest extends GdxTest { 33 private SpriteBatch spriteBatch; 34 private Texture texture; 35 private BitmapFont font; 36 private Sprite logoSprite; 37 private Color red = new Color(1, 0, 0, 0); 38 private BitmapFontCache cache1, cache2, cache3, cache4, cache5; 39 private BitmapFontCache cacheScaled1, cacheScaled2, cacheScaled3, cacheScaled4, cacheScaled5; 40 int renderMode; 41 42 @Override create()43 public void create () { 44 Gdx.input.setInputProcessor(new InputAdapter() { 45 public boolean touchDown (int x, int y, int pointer, int newParam) { 46 renderMode = (renderMode + 1) % 4; 47 return false; 48 } 49 }); 50 51 spriteBatch = new SpriteBatch(); 52 spriteBatch.setProjectionMatrix(new Matrix4().setToOrtho(0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight(), 0, 0, 1)); 53 54 texture = new Texture(Gdx.files.internal("data/badlogic.jpg")); 55 logoSprite = new Sprite(texture); 56 logoSprite.flip(false, true); 57 logoSprite.setPosition(0, 320 - 256); 58 logoSprite.setColor(1, 1, 1, 0.5f); 59 60 font = new BitmapFont(Gdx.files.internal("data/verdana39.fnt"), Gdx.files.internal("data/verdana39.png"), true); 61 62 cache1 = font.newFontCache(); 63 cache2 = font.newFontCache(); 64 cache3 = font.newFontCache(); 65 cache4 = font.newFontCache(); 66 cache5 = font.newFontCache(); 67 createCaches("cached", cache1, cache2, cache3, cache4, cache5); 68 69 font.getData().setScale(1.33f); 70 cacheScaled1 = font.newFontCache(); 71 cacheScaled2 = font.newFontCache(); 72 cacheScaled3 = font.newFontCache(); 73 cacheScaled4 = font.newFontCache(); 74 cacheScaled5 = font.newFontCache(); 75 createCaches("cache scaled", cacheScaled1, cacheScaled2, cacheScaled3, cacheScaled4, cacheScaled5); 76 } 77 createCaches(String type, BitmapFontCache cache1, BitmapFontCache cache2, BitmapFontCache cache3, BitmapFontCache cache4, BitmapFontCache cache5)78 private void createCaches (String type, BitmapFontCache cache1, BitmapFontCache cache2, BitmapFontCache cache3, 79 BitmapFontCache cache4, BitmapFontCache cache5) { 80 cache1.setText("(" + type + ")", 10, 320 - 66); 81 82 String text = "Sphinx of black quartz,\njudge my vow."; 83 cache2.setColor(Color.RED); 84 cache2.setText(text, 5, 320 - 300); 85 86 text = "How quickly\ndaft jumping zebras vex."; 87 cache3.setColor(Color.BLUE); 88 cache3.setText(text, 5, 320 - 200, 470, Align.center, false); 89 90 text = "Kerning: LYA moo"; 91 cache4.setText(text, 210, 320 - 66, 0, text.length() - 3, 0, Align.left, false); 92 93 text = "Forsaking monastic tradition, twelve jovial friars gave\nup their vocation for a questionable existence on the flying trapeze."; 94 cache5.setColor(red); 95 cache5.setText(text, 0, 320 - 300, 480, Align.center, false); 96 } 97 98 @Override render()99 public void render () { 100 red.a = (red.a + Gdx.graphics.getDeltaTime() * 0.1f) % 1; 101 102 Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); 103 spriteBatch.begin(); 104 logoSprite.draw(spriteBatch); 105 switch (renderMode) { 106 case 0: 107 font.getData().setScale(1); 108 renderNormal("normal"); 109 break; 110 case 1: 111 font.getData().setScale(1); 112 renderCached(); 113 break; 114 case 2: 115 font.getData().setScale(red.a + 0.5f); 116 renderNormal("normal scaled"); 117 break; 118 case 3: 119 font.getData().setScale(1); 120 renderCachedScaled(); 121 break; 122 } 123 spriteBatch.end(); 124 } 125 renderNormal(String type)126 private void renderNormal (String type) { 127 String text = "Forsaking monastic tradition, twelve jovial friars gave\nup their vocation for a questionable existence on the flying trapeze."; 128 font.setColor(red); 129 font.draw(spriteBatch, text, 0, 320 - 300, 480, Align.center, false); 130 131 font.setColor(Color.WHITE); 132 font.draw(spriteBatch, "(" + type + ")", 10, 320 - 66); 133 134 if (red.a > 0.6f) return; 135 136 text = "Sphinx of black quartz,\njudge my vow."; 137 font.setColor(Color.RED); 138 font.draw(spriteBatch, text, 5, 320 - 300); 139 140 text = "How quickly\ndaft jumping zebras vex."; 141 font.setColor(Color.BLUE); 142 font.draw(spriteBatch, text, 5, 320 - 200, 470, Align.right, false); 143 144 text = "Kerning: LYA moo"; 145 font.setColor(Color.WHITE); 146 font.draw(spriteBatch, text, 210, 320 - 66, 0, text.length() - 3, 0, Align.left, false); 147 } 148 renderCached()149 private void renderCached () { 150 cache5.setColors(red); 151 cache5.draw(spriteBatch); 152 153 cache1.draw(spriteBatch); 154 155 if (red.a > 0.6f) return; 156 157 cache2.draw(spriteBatch); 158 cache3.draw(spriteBatch); 159 cache4.draw(spriteBatch); 160 } 161 renderCachedScaled()162 private void renderCachedScaled () { 163 cacheScaled5.setColors(red); 164 cacheScaled5.draw(spriteBatch); 165 166 cacheScaled1.draw(spriteBatch); 167 168 if (red.a > 0.6f) return; 169 170 cacheScaled2.draw(spriteBatch); 171 cacheScaled3.draw(spriteBatch); 172 cacheScaled4.draw(spriteBatch); 173 } 174 175 @Override dispose()176 public void dispose () { 177 spriteBatch.dispose(); 178 font.dispose(); 179 texture.dispose(); 180 } 181 } 182
