com.sun.javafx.font.freetype.FTGlyph Maven / Gradle / Ivy
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package com.sun.javafx.font.freetype;
import com.sun.javafx.font.Glyph;
import com.sun.javafx.geom.RectBounds;
import com.sun.javafx.geom.Shape;
class FTGlyph implements Glyph {
FTFontStrike strike;
int glyphCode;
byte[] buffer;
FT_Bitmap bitmap;
int bitmap_left;
int bitmap_top;
float advanceX;
float advanceY;
float userAdvance;
boolean lcd;
FTGlyph(FTFontStrike strike, int glyphCode, boolean drawAsShape) {
this.strike = strike;
this.glyphCode = glyphCode;
}
@Override
public int getGlyphCode() {
return glyphCode;
}
private void init() {
if (bitmap != null) return;
strike.initGlyph(this);
}
@Override
public RectBounds getBBox() {
float[] bb = new float[4];
FTFontFile fontResource = strike.getFontResource();
fontResource.getGlyphBoundingBox(glyphCode, strike.getSize(), bb);
return new RectBounds(bb[0], bb[1], bb[2], bb[3]);
}
@Override
public float getAdvance() {
init();
return userAdvance;
}
@Override
public Shape getShape() {
return strike.createGlyphOutline(glyphCode);
}
@Override
public byte[] getPixelData() {
init();
return buffer;
}
@Override
public byte[] getPixelData(int subPixel) {
init();
return buffer;
}
@Override
public float getPixelXAdvance() {
init();
return advanceX;
}
@Override
public float getPixelYAdvance() {
init();
return advanceY;
}
@Override
public int getWidth() {
init();
/* Note: In Freetype the width is byte based */
return bitmap != null ? bitmap.width : 0;
}
@Override
public int getHeight() {
init();
return bitmap != null ? bitmap.rows : 0;
}
@Override
public int getOriginX() {
init();
return bitmap_left;
}
@Override
public int getOriginY() {
init();
return -bitmap_top; /* Inverted coordinates system */
}
@Override
public boolean isLCDGlyph() {
return lcd;
}
}