159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2012 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.niftygui; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.font.BitmapFont; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.font.BitmapText; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport de.lessvoid.nifty.spi.render.RenderFont; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class RenderFontJme implements RenderFont { 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private NiftyJmeDisplay display; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private BitmapFont font; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private BitmapText text; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float actualSize; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Initialize the font. 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param name font filename 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public RenderFontJme(String name, NiftyJmeDisplay display) { 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.display = display; 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta font = display.getAssetManager().loadFont(name); 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (font == null) { 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new RuntimeException( "Font not loaded:" + name ); 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta text = new BitmapText(font); 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta actualSize = font.getPreferredSize(); 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta text.setSize(actualSize); 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public BitmapText createText() { 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new BitmapText(font); 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public BitmapText getText(){ 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return text; 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * get font height. 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return height 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getHeight() { 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return (int) text.getLineHeight(); 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * get font width of the given string. 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param str text 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return width of the given text for the current font 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getWidth(final String str) { 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (str.length() == 0) 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return 0; 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Note: BitmapFont is now fixed to return the proper line width 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // at least for now. The older commented out (by someone else, not me) 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // code below is arguably 'more accurate' if BitmapFont gets 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // buggy again. The issue is that the BitmapText and BitmapFont 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // use a different algorithm for calculating size and both must 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // be modified in sync. 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int result = (int) font.getLineWidth(str); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// text.setText(str); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// text.updateLogicalState(0); 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// int result = (int) text.getLineWidth(); 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return result; 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getWidth(final String str, final float size) { 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // Note: This is supposed to return the width of the String when scaled 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // with the size factor. Since I don't know how to do that with 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // the font rendering in jme this will only work correctly with 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // a size value of 1.f and will return inaccurate values otherwise. 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return getWidth(str); 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Return the width of the given character including kerning information. 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param currentCharacter current character 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param nextCharacter next character 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param size font size 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return width of the character or null when no information for the character is available 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getCharacterAdvance(final char currentCharacter, final char nextCharacter, final float size) { 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return Math.round(font.getCharacterAdvance(currentCharacter, nextCharacter, size)); 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void dispose() { 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 122