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/*
* Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.javafx.font.freetype;
import com.sun.javafx.font.FontStrike;
import com.sun.javafx.font.PGFont;
import com.sun.javafx.font.PrismFontFactory;
import com.sun.javafx.font.PrismFontFile;
import com.sun.javafx.text.GlyphLayout;
import com.sun.javafx.text.TextRun;
public class FTFactory extends PrismFontFactory {
static boolean LCD_SUPPORT;
public static PrismFontFactory getFactory() {
PrismFontFactory factory = null;
long[] ptr = new long[1];
int error = OSFreetype.FT_Init_FreeType(ptr);
long library = ptr[0];
int[] major = new int[1], minor = new int[1], patch = new int[1];
if (error == 0) {
factory = new FTFactory();
OSFreetype.FT_Library_Version(library, major, minor, patch);
/* This implementation only supports LCD if freetype has support. */
error = OSFreetype.FT_Library_SetLcdFilter(library, OSFreetype.FT_LCD_FILTER_DEFAULT);
LCD_SUPPORT = error == 0;
OSFreetype.FT_Done_FreeType(library);
}
if (PrismFontFactory.debugFonts) {
if (factory != null) {
String version = major[0] + "." + minor[0] + "." + patch[0];
System.err.println("Freetype2 Loaded (version " + version + ")");
String lcdSupport = LCD_SUPPORT ? "Enabled" : "Disabled";
System.err.println("LCD support " + lcdSupport);
} else {
System.err.println("Freetype2 Failed (error " + error + ")");
}
}
return factory;
}
private FTFactory() {
}
@Override
protected PrismFontFile createFontFile(String name, String filename,
int fIndex, boolean register,
boolean embedded, boolean copy,
boolean tracked) throws Exception {
return new FTFontFile(name, filename, fIndex, register,
embedded, copy, tracked);
}
@Override
public GlyphLayout createGlyphLayout() {
if (OSFreetype.isPangoEnabled()) {
return new PangoGlyphLayout();
}
if (OSFreetype.isHarfbuzzEnabled()) {
return new HBGlyphLayout();
}
return new StubGlyphLayout();
}
@Override
public boolean isLCDTextSupported() {
return LCD_SUPPORT && super.isLCDTextSupported();
}
@Override
protected boolean registerEmbeddedFont(String path) {
long[] ptr = new long[1];
int error = OSFreetype.FT_Init_FreeType(ptr);
if (error != 0) return false;
long library = ptr[0];
byte[] buffer = (path+"\0").getBytes();
error = OSFreetype.FT_New_Face(library, buffer, 0, ptr);
if (error != 0) {
long face = ptr[0];
OSFreetype.FT_Done_Face(face);
}
OSFreetype.FT_Done_FreeType(library);
if (error != 0) return false;
if (OSFreetype.isPangoEnabled()) {
return OSPango.FcConfigAppFontAddFile(0, path);
}
return true;
}
private static class StubGlyphLayout extends GlyphLayout {
public StubGlyphLayout() {
}
@Override
public void layout(TextRun run, PGFont font, FontStrike strike, char[] text) {
}
}
}