/* | |
* 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; | |
import com.jme3.material.Material; | |
import com.jme3.scene.Geometry; | |
import com.jme3.scene.Mesh; | |
import com.jme3.scene.VertexBuffer; | |
import com.jme3.scene.VertexBuffer.Type; | |
import com.jme3.texture.Texture2D; | |
import com.jme3.util.BufferUtils; | |
import java.nio.ByteBuffer; | |
import java.nio.FloatBuffer; | |
import java.nio.ShortBuffer; | |
import java.util.LinkedList; | |
/** | |
* One page per BitmapText Font Texture. | |
* @author Lim, YongHoon | |
*/ | |
class BitmapTextPage extends Geometry { | |
private final float[] pos; | |
private final float[] tc; | |
private final short[] idx; | |
private final byte[] color; | |
private final int page; | |
private final Texture2D texture; | |
private final LinkedList<LetterQuad> pageQuads = new LinkedList<LetterQuad>(); | |
BitmapTextPage(BitmapFont font, boolean arrayBased, int page) { | |
super("BitmapFont", new Mesh()); | |
if (font == null) { | |
throw new NullPointerException("'font' cannot be null."); | |
} | |
this.page = page; | |
Material mat = font.getPage(page); | |
if (mat == null) { | |
throw new IllegalStateException("The font's texture was not found!"); | |
} | |
setMaterial(mat); | |
this.texture = (Texture2D) mat.getTextureParam("ColorMap").getTextureValue(); | |
// initialize buffers | |
Mesh m = getMesh(); | |
m.setBuffer(Type.Position, 3, new float[0]); | |
m.setBuffer(Type.TexCoord, 2, new float[0]); | |
m.setBuffer(Type.Color, 4, new byte[0]); | |
m.setBuffer(Type.Index, 3, new short[0]); | |
// scale colors from 0 - 255 range into 0 - 1 | |
m.getBuffer(Type.Color).setNormalized(true); | |
arrayBased = true; | |
if (arrayBased) { | |
pos = new float[4 * 3]; // 4 verticies * 3 floats | |
tc = new float[4 * 2]; // 4 verticies * 2 floats | |
idx = new short[2 * 3]; // 2 triangles * 3 indices | |
color = new byte[4 * 4]; // 4 verticies * 4 bytes | |
} else { | |
pos = null; | |
tc = null; | |
idx = null; | |
color = null; | |
} | |
} | |
BitmapTextPage(BitmapFont font, boolean arrayBased) { | |
this(font, arrayBased, 0); | |
} | |
BitmapTextPage(BitmapFont font) { | |
this(font, false, 0); | |
} | |
Texture2D getTexture() { | |
return texture; | |
} | |
@Override | |
public BitmapTextPage clone() { | |
BitmapTextPage clone = (BitmapTextPage) super.clone(); | |
clone.mesh = mesh.deepClone(); | |
return clone; | |
} | |
void assemble(Letters quads) { | |
pageQuads.clear(); | |
quads.rewind(); | |
while (quads.nextCharacter()) { | |
if (quads.isPrintable()) { | |
if (quads.getCharacterSetPage() == page) { | |
pageQuads.add(quads.getQuad()); | |
} | |
} | |
} | |
Mesh m = getMesh(); | |
int vertCount = pageQuads.size() * 4; | |
int triCount = pageQuads.size() * 2; | |
VertexBuffer pb = m.getBuffer(Type.Position); | |
VertexBuffer tb = m.getBuffer(Type.TexCoord); | |
VertexBuffer ib = m.getBuffer(Type.Index); | |
VertexBuffer cb = m.getBuffer(Type.Color); | |
FloatBuffer fpb = (FloatBuffer) pb.getData(); | |
FloatBuffer ftb = (FloatBuffer) tb.getData(); | |
ShortBuffer sib = (ShortBuffer) ib.getData(); | |
ByteBuffer bcb = (ByteBuffer) cb.getData(); | |
// increase capacity of buffers as needed | |
fpb.rewind(); | |
fpb = BufferUtils.ensureLargeEnough(fpb, vertCount * 3); | |
fpb.limit(vertCount * 3); | |
pb.updateData(fpb); | |
ftb.rewind(); | |
ftb = BufferUtils.ensureLargeEnough(ftb, vertCount * 2); | |
ftb.limit(vertCount * 2); | |
tb.updateData(ftb); | |
bcb.rewind(); | |
bcb = BufferUtils.ensureLargeEnough(bcb, vertCount * 4); | |
bcb.limit(vertCount * 4); | |
cb.updateData(bcb); | |
sib.rewind(); | |
sib = BufferUtils.ensureLargeEnough(sib, triCount * 3); | |
sib.limit(triCount * 3); | |
ib.updateData(sib); | |
m.updateCounts(); | |
// go for each quad and append it to the buffers | |
if (pos != null) { | |
for (int i = 0; i < pageQuads.size(); i++) { | |
LetterQuad fq = pageQuads.get(i); | |
fq.storeToArrays(pos, tc, idx, color, i); | |
fpb.put(pos); | |
ftb.put(tc); | |
sib.put(idx); | |
bcb.put(color); | |
} | |
} else { | |
for (int i = 0; i < pageQuads.size(); i++) { | |
LetterQuad fq = pageQuads.get(i); | |
fq.appendPositions(fpb); | |
fq.appendTexCoords(ftb); | |
fq.appendIndices(sib, i); | |
fq.appendColors(bcb); | |
} | |
} | |
fpb.rewind(); | |
ftb.rewind(); | |
sib.rewind(); | |
bcb.rewind(); | |
updateModelBound(); | |
} | |
} |