com.metsci.glimpse.jogamp.opengl.util.awt.text.AsciiGlyphProducer Maven / Gradle / Ivy
/*
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.metsci.glimpse.jogamp.opengl.util.awt.text;
import java.awt.Font;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.util.List;
import com.metsci.glimpse.com.jogamp.opengl.util.awt.TextRenderer.RenderDelegate;
/**
* {@link GlyphProducer} that creates glyphs in the ASCII range.
*/
/*@NotThreadSafe*/
final class AsciiGlyphProducer extends AbstractGlyphProducer {
/**
* Storage for glyphs.
*/
/*@Nonnull*/
private final Glyph[] inventory = new Glyph[128];
/**
* Constructs an {@link AsciiGlyphProducer}.
*
* @param font Font glyphs will be made from
* @param rd Delegate for controlling rendering
* @param frc Details on how to render fonts
* @throws NullPointerException if font, render delegate, or font render context is null
*/
AsciiGlyphProducer(/*@Nonnull*/ final Font font,
/*@Nonnull*/ final RenderDelegate rd,
/*@Nonnull*/ final FontRenderContext frc) {
super(font, rd, frc);
}
@Override
public void clearGlyphs() {
// empty
}
/*@Nonnull*/
@Override
public Glyph createGlyph(char c) {
// Check if out of range
if (c > 128) {
c = '_';
}
// Check if already created
Glyph glyph = inventory[c];
if (glyph != null) {
return glyph;
}
// Create glyph
GlyphVector gv = createGlyphVector(c);
glyph = new Glyph(c, gv);
measure(glyph);
// Store and finish
inventory[c] = glyph;
return glyph;
}
/*@Nonnull*/
@Override
public List createGlyphs(/*@Nonnull*/ final String str) {
Check.notNull(str, "String cannot be null");
// Clear the output
clearOutput();
// Add each glyph to the output
final int len = str.length();
for (int i = 0; i < len; ++i) {
final char character = str.charAt(i);
final Glyph glyph = createGlyph(character);
addToOutput(glyph);
}
// Return the output
return getOutput();
}
@Override
public void removeGlyph(/*@CheckForNull*/ final Glyph glyph) {
// empty
}
}