/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.tools.hiero.unicodefont;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.font.GlyphMetrics;
import java.awt.font.GlyphVector;
import com.badlogic.gdx.graphics.Texture;
/** Represents the glyph in a font for a unicode codepoint.
* @author Nathan Sweet */
public class Glyph {
private int codePoint;
private short width, height;
private short yOffset;
private boolean isMissing;
private Shape shape;
private float u, v, u2, v2;
private Texture texture;
Glyph (int codePoint, Rectangle bounds, GlyphVector vector, int index, UnicodeFont unicodeFont) {
this.codePoint = codePoint;
GlyphMetrics metrics = vector.getGlyphMetrics(index);
int lsb = (int)metrics.getLSB();
if (lsb > 0) lsb = 0;
int rsb = (int)metrics.getRSB();
if (rsb > 0) rsb = 0;
int glyphWidth = bounds.width - lsb - rsb;
int glyphHeight = bounds.height;
if (glyphWidth > 0 && glyphHeight > 0) {
int padTop = unicodeFont.getPaddingTop();
int padRight = unicodeFont.getPaddingRight();
int padBottom = unicodeFont.getPaddingBottom();
int padLeft = unicodeFont.getPaddingLeft();
int glyphSpacing = 1; // Needed to prevent filtering problems.
width = (short)(glyphWidth + padLeft + padRight + glyphSpacing);
height = (short)(glyphHeight + padTop + padBottom + glyphSpacing);
yOffset = (short)(unicodeFont.getAscent() + bounds.y - padTop);
}
shape = vector.getGlyphOutline(index, -bounds.x + unicodeFont.getPaddingLeft(), -bounds.y + unicodeFont.getPaddingTop());
isMissing = !unicodeFont.getFont().canDisplay((char)codePoint);
}
/** The unicode codepoint the glyph represents. */
public int getCodePoint () {
return codePoint;
}
/** Returns true if the font does not have a glyph for this codepoint. */
public boolean isMissing () {
return isMissing;
}
/** The width of the glyph's image. */
public int getWidth () {
return width;
}
/** The height of the glyph's image. */
public int getHeight () {
return height;
}
/** The shape to use to draw this glyph. This is set to null after the glyph is stored in a GlyphPage. */
public Shape getShape () {
return shape;
}
public void setShape (Shape shape) {
this.shape = shape;
}
public void setTexture (Texture texture, float u, float v, float u2, float v2) {
this.texture = texture;
this.u = u;
this.v = v;
this.u2 = u2;
this.v2 = v2;
}
public Texture getTexture () {
return texture;
}
public float getU () {
return u;
}
public float getV () {
return v;
}
public float getU2 () {
return u2;
}
public float getV2 () {
return v2;
}
/** The distance from drawing y location to top of this glyph, causing the glyph to sit on the baseline. */
public int getYOffset () {
return yOffset;
}
}