com.sun.javafx.font.directwrite.DWFontStrike Maven / Gradle / Ivy
/*
* Copyright (c) 2013, 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.
*
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package com.sun.javafx.font.directwrite;
import com.sun.javafx.font.DisposerRecord;
import com.sun.javafx.font.FontStrikeDesc;
import com.sun.javafx.font.Glyph;
import com.sun.javafx.font.PrismFontFactory;
import com.sun.javafx.font.PrismFontStrike;
import com.sun.javafx.geom.Path2D;
import com.sun.javafx.geom.RectBounds;
import com.sun.javafx.geom.transform.BaseTransform;
class DWFontStrike extends PrismFontStrike {
DWRITE_MATRIX matrix;
static final boolean SUBPIXEL;
static {
SUBPIXEL = PrismFontFactory.getFontFactory().isSubPixelEnabled();
}
DWFontStrike(DWFontFile fontResource, float size, BaseTransform tx,
int aaMode, FontStrikeDesc desc) {
super(fontResource, size, tx, aaMode, desc);
float maxDim = 80f;
if (tx.isTranslateOrIdentity()) {
drawShapes = size > maxDim;
} else {
BaseTransform tx2d = getTransform();
matrix = new DWRITE_MATRIX();
matrix.m11 = (float)tx2d.getMxx();
matrix.m12 = (float)tx2d.getMyx();
matrix.m21 = (float)tx2d.getMxy();
matrix.m22 = (float)tx2d.getMyy();
if (Math.abs(matrix.m11 * size) > maxDim ||
Math.abs(matrix.m12 * size) > maxDim ||
Math.abs(matrix.m21 * size) > maxDim ||
Math.abs(matrix.m22 * size) > maxDim)
{
drawShapes = true;
}
}
}
@Override protected DisposerRecord createDisposer(FontStrikeDesc desc) {
return null;
}
@Override
public boolean isSubPixelGlyph() {
/* Disable subpixel for DirectWrite until better support for it
* is implemented on Prism. DirectWrite support 3 subpixel positions
* for LCD and Gray text. Prism currently expects it to support 4.
*/
// return SUBPIXEL && matrix == null;
return false;
}
IDWriteFontFace getFontFace() {
DWFontFile fontResource = getFontResource();
return fontResource.getFontFace();
}
RectBounds getBBox(int glyphCode) {
DWFontFile fontResource = getFontResource();
return fontResource.getBBox(glyphCode, getSize());
}
int getUpem() {
return getFontResource().getUnitsPerEm();
}
@Override protected Path2D createGlyphOutline(int glyphCode) {
DWFontFile fontResource = getFontResource();
return fontResource.getGlyphOutline(glyphCode, getSize());
}
@Override protected Glyph createGlyph(int glyphCode) {
return new DWGlyph(this, glyphCode, drawShapes);
}
}