tests/gdx-tests/src/com/badlogic/gdx/tests/BitmapFontTest.java

   1 /*\r
   2  * Copyright 2010 Mario Zechner (contact@badlogicgames.com), Nathan Sweet (admin@esotericsoftware.com)\r
   3  * \r
   4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the\r
   5  * License. You may obtain a copy of the License at\r
   6  * \r
   7  * http://www.apache.org/licenses/LICENSE-2.0\r
   8  * \r
   9  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"\r
  10  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language\r
  11  * governing permissions and limitations under the License.\r
  12  */\r
  13 \r
  14 package com.badlogic.gdx.tests;\r
  15 \r
  16 import com.badlogic.gdx.Gdx;\r
  17 import com.badlogic.gdx.InputAdapter;\r
  18 import com.badlogic.gdx.InputProcessor;\r
  19 import com.badlogic.gdx.Files.FileType;\r
  20 import com.badlogic.gdx.graphics.BitmapFont;\r
  21 import com.badlogic.gdx.graphics.BitmapFontCache;\r
  22 import com.badlogic.gdx.graphics.Color;\r
  23 import com.badlogic.gdx.graphics.GL10;\r
  24 import com.badlogic.gdx.graphics.Sprite;\r
  25 import com.badlogic.gdx.graphics.SpriteBatch;\r
  26 import com.badlogic.gdx.graphics.BitmapFont.HAlignment;\r
  27 import com.badlogic.gdx.graphics.Texture.TextureFilter;\r
  28 import com.badlogic.gdx.graphics.Texture.TextureWrap;\r
  29 import com.badlogic.gdx.math.Matrix4;\r
  30 import com.badlogic.gdx.tests.utils.GdxTest;\r
  31 \r
  32 public class BitmapFontTest extends GdxTest {\r
  33         private SpriteBatch spriteBatch;\r
  34         private BitmapFont font;\r
  35         private Sprite logoSprite;\r
  36         private Color red = new Color(1, 0, 0, 1);\r
  37         private BitmapFontCache cache1, cache2, cache3, cache4, cache5;\r
  38         int renderMode;\r
  39         InputProcessor inputProcessor;\r
  40 \r
  41         @Override public void create () {\r
  42                 Gdx.input.setInputProcessor(new InputAdapter() {\r
  43                         public boolean touchDown (int x, int y, int pointer) {\r
  44                                 renderMode = (renderMode + 1) % 2;\r
  45                                 return false;\r
  46                         }\r
  47                 });\r
  48 \r
  49                 spriteBatch = new SpriteBatch();\r
  50 \r
  51                 logoSprite = new Sprite(Gdx.graphics.newTexture(Gdx.files.getFileHandle("data/badlogic.jpg", FileType.Internal),\r
  52                         TextureFilter.Linear, TextureFilter.Linear, TextureWrap.ClampToEdge, TextureWrap.ClampToEdge));\r
  53                 logoSprite.setColor(1, 1, 1, 0.5f);\r
  54 \r
  55                 font = new BitmapFont(Gdx.files.getFileHandle("data/verdana39.fnt", FileType.Internal), Gdx.files.getFileHandle(\r
  56                         "data/verdana39.png", FileType.Internal), false);\r
  57 \r
  58                 inputProcessor = new InputAdapter() {\r
  59                         public boolean touchDown (int x, int y, int pointer) {\r
  60                                 renderMode = (renderMode + 1) % 2;\r
  61                                 return false;\r
  62                         }\r
  63                 };\r
  64 \r
  65                 Gdx.input.setInputProcessor(inputProcessor);\r
  66 \r
  67                 cache1 = new BitmapFontCache(font);\r
  68                 cache2 = new BitmapFontCache(font);\r
  69                 cache3 = new BitmapFontCache(font);\r
  70                 cache4 = new BitmapFontCache(font);\r
  71                 cache5 = new BitmapFontCache(font);\r
  72 \r
  73                 cache1.setText("(cached)", 10, 66);\r
  74 \r
  75                 String text = "Sphinx of black quartz,\njudge my vow.";\r
  76                 cache2.setColor(Color.RED);\r
  77                 cache2.setMultiLineText(text, 5, 300);\r
  78 \r
  79                 text = "How quickly\ndaft jumping zebras vex.";\r
  80                 cache3.setColor(Color.BLUE);\r
  81                 cache3.setMultiLineText(text, 5, 200, 470, BitmapFont.HAlignment.CENTER);\r
  82 \r
  83                 text = "Kerning: LYA moo";\r
  84                 cache4.setText(text, 210, 66, 0, text.length() - 3);\r
  85 \r
  86                 text = "Forsaking monastic tradition, twelve jovial friars gave\nup their vocation for a questionable existence on the flying trapeze.";\r
  87                 cache5.setColor(red);\r
  88                 cache5.setWrappedText(text, 0, 300, 480, HAlignment.CENTER);\r
  89         }\r
  90 \r
  91         @Override public void render () {\r
  92                 red.a = (red.a + Gdx.graphics.getDeltaTime() * 0.1f) % 1;\r
  93 \r
  94                 GL10 gl = Gdx.graphics.getGL10();\r
  95                 gl.glClear(GL10.GL_COLOR_BUFFER_BIT);\r
  96                 spriteBatch.begin();\r
  97                 logoSprite.draw(spriteBatch);\r
  98                 switch (renderMode) {\r
  99                 case 0:\r
 100                         renderNormal();\r
 101                         break;\r
 102                 case 1:\r
 103                         renderCached();\r
 104                         break;\r
 105                 }\r
 106                 spriteBatch.end();\r
 107         }\r
 108 \r
 109         private void renderNormal () {\r
 110                 String text = "Forsaking monastic tradition, twelve jovial friars gave\nup their vocation for a questionable existence on the flying trapeze.";\r
 111                 font.setColor(red);\r
 112                 font.drawWrapped(spriteBatch, text, 0, 300, 480, HAlignment.CENTER);\r
 113 \r
 114                 font.setColor(Color.WHITE);\r
 115                 font.draw(spriteBatch, "(normal)", 10, 66);\r
 116 \r
 117                 if (red.a > 0.6f) return;\r
 118 \r
 119                 text = "Sphinx of black quartz,\njudge my vow.";\r
 120                 font.setColor(Color.RED);\r
 121                 font.drawMultiLine(spriteBatch, text, 5, 300);\r
 122 \r
 123                 text = "How quickly\ndaft jumping zebras vex.";\r
 124                 font.setColor(Color.BLUE);\r
 125                 font.drawMultiLine(spriteBatch, text, 5, 200, 470, BitmapFont.HAlignment.RIGHT);\r
 126 \r
 127                 text = "Kerning: LYA moo";\r
 128                 font.setColor(Color.WHITE);\r
 129                 font.draw(spriteBatch, text, 210, 66, 0, text.length() - 3);\r
 130         }\r
 131 \r
 132         private void renderCached () {\r
 133                 cache5.setColor(red);\r
 134                 cache5.draw(spriteBatch);\r
 135 \r
 136                 cache1.draw(spriteBatch);\r
 137 \r
 138                 if (red.a > 0.6f) return;\r
 139 \r
 140                 cache2.draw(spriteBatch);\r
 141                 cache3.draw(spriteBatch);\r
 142                 cache4.draw(spriteBatch);\r
 143         }\r
 144 \r
 145         public boolean needsGL20 () {\r
 146                 return false;\r
 147         }\r
 148 }\r