diff options
Diffstat (limited to 'engine/src/core-plugins/com/jme3/font/plugins/BitmapFontLoader.java')
| -rw-r--r-- | engine/src/core-plugins/com/jme3/font/plugins/BitmapFontLoader.java | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/engine/src/core-plugins/com/jme3/font/plugins/BitmapFontLoader.java b/engine/src/core-plugins/com/jme3/font/plugins/BitmapFontLoader.java new file mode 100644 index 0000000..688627d --- /dev/null +++ b/engine/src/core-plugins/com/jme3/font/plugins/BitmapFontLoader.java @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2009-2010 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package com.jme3.font.plugins; + +import com.jme3.asset.*; +import com.jme3.font.BitmapCharacter; +import com.jme3.font.BitmapCharacterSet; +import com.jme3.font.BitmapFont; +import com.jme3.material.Material; +import com.jme3.material.MaterialDef; +import com.jme3.material.RenderState.BlendMode; +import com.jme3.texture.Texture; +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; + +public class BitmapFontLoader implements AssetLoader { + + private BitmapFont load(AssetManager assetManager, String folder, InputStream in) throws IOException{ + MaterialDef spriteMat = + (MaterialDef) assetManager.loadAsset(new AssetKey("Common/MatDefs/Misc/Unshaded.j3md")); + + BitmapCharacterSet charSet = new BitmapCharacterSet(); + Material[] matPages = null; + BitmapFont font = new BitmapFont(); + + BufferedReader reader = new BufferedReader(new InputStreamReader(in)); + String regex = "[\\s=]+"; + + font.setCharSet(charSet); + while (reader.ready()){ + String line = reader.readLine(); + String[] tokens = line.split(regex); + if (tokens[0].equals("info")){ + // Get rendered size + for (int i = 1; i < tokens.length; i++){ + if (tokens[i].equals("size")){ + charSet.setRenderedSize(Integer.parseInt(tokens[i + 1])); + } + } + }else if (tokens[0].equals("common")){ + // Fill out BitmapCharacterSet fields + for (int i = 1; i < tokens.length; i++){ + String token = tokens[i]; + if (token.equals("lineHeight")){ + charSet.setLineHeight(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("base")){ + charSet.setBase(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("scaleW")){ + charSet.setWidth(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("scaleH")){ + charSet.setHeight(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("pages")){ + // number of texture pages + matPages = new Material[Integer.parseInt(tokens[i + 1])]; + font.setPages(matPages); + } + } + }else if (tokens[0].equals("page")){ + int index = -1; + Texture tex = null; + + for (int i = 1; i < tokens.length; i++){ + String token = tokens[i]; + if (token.equals("id")){ + index = Integer.parseInt(tokens[i + 1]); + }else if (token.equals("file")){ + String file = tokens[i + 1]; + if (file.startsWith("\"")){ + file = file.substring(1, file.length()-1); + } + TextureKey key = new TextureKey(folder + file, true); + key.setGenerateMips(false); + tex = assetManager.loadTexture(key); + tex.setMagFilter(Texture.MagFilter.Bilinear); + tex.setMinFilter(Texture.MinFilter.BilinearNoMipMaps); + } + } + // set page + if (index >= 0 && tex != null){ + Material mat = new Material(spriteMat); + mat.setTexture("ColorMap", tex); + mat.setBoolean("VertexColor", true); + mat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha); + matPages[index] = mat; + } + }else if (tokens[0].equals("char")){ + // New BitmapCharacter + BitmapCharacter ch = null; + for (int i = 1; i < tokens.length; i++){ + String token = tokens[i]; + if (token.equals("id")){ + int index = Integer.parseInt(tokens[i + 1]); + ch = new BitmapCharacter(); + charSet.addCharacter(index, ch); + }else if (token.equals("x")){ + ch.setX(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("y")){ + ch.setY(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("width")){ + ch.setWidth(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("height")){ + ch.setHeight(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("xoffset")){ + ch.setXOffset(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("yoffset")){ + ch.setYOffset(Integer.parseInt(tokens[i + 1])); + }else if (token.equals("xadvance")){ + ch.setXAdvance(Integer.parseInt(tokens[i + 1])); + } else if (token.equals("page")) { + ch.setPage(Integer.parseInt(tokens[i + 1])); + } + } + }else if (tokens[0].equals("kerning")){ + // Build kerning list + int index = 0; + int second = 0; + int amount = 0; + + for (int i = 1; i < tokens.length; i++){ + if (tokens[i].equals("first")){ + index = Integer.parseInt(tokens[i + 1]); + }else if (tokens[i].equals("second")){ + second = Integer.parseInt(tokens[i + 1]); + }else if (tokens[i].equals("amount")){ + amount = Integer.parseInt(tokens[i + 1]); + } + } + + BitmapCharacter ch = charSet.getCharacter(index); + ch.addKerning(second, amount); + } + } + return font; + } + + public Object load(AssetInfo info) throws IOException { + InputStream in = null; + try { + in = info.openStream(); + BitmapFont font = load(info.getManager(), info.getKey().getFolder(), in); + return font; + } finally { + if (in != null){ + in.close(); + } + } + } + +} |