1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.javafx.font.directwrite;
27
28 import com.sun.javafx.font.Disposer;
29 import com.sun.javafx.font.FontStrikeDesc;
30 import com.sun.javafx.font.PrismFontFactory;
31 import com.sun.javafx.font.PrismFontFile;
32 import com.sun.javafx.font.PrismFontStrike;
33 import com.sun.javafx.geom.Path2D;
34 import com.sun.javafx.geom.RectBounds;
35 import com.sun.javafx.geom.transform.BaseTransform;
36
37 class DWFontFile extends PrismFontFile {
38 private IDWriteFontFace fontFace;
39 private DWDisposer disposer;
40
41 DWFontFile(String name, String filename, int fIndex, boolean register,
42 boolean embedded, boolean copy, boolean tracked) throws Exception {
43 super(name, filename, fIndex, register, embedded, copy, tracked);
44 fontFace = createFontFace();
45
46 if (PrismFontFactory.debugFonts) {
47 if (fontFace == null) {
48 System.err.println("Failed to create IDWriteFontFace for " + this);
49 }
50 }
51
52 if (!isRegistered()) {
53 disposer = new DWDisposer(fontFace);
54 Disposer.addRecord(this, disposer);
55 }
56 }
57
58 private IDWriteFontFace createEmbeddedFontFace() {
59 IDWriteFactory factory = DWFactory.getDWriteFactory();
60 IDWriteFontFile fontFile = factory.CreateFontFileReference(getFileName());
61 if (fontFile == null) return null;
62 boolean[] isSupportedFontType = new boolean[1];
63 int[] fontFileType = new int[1];
64 int[] fontFaceType = new int[1];
65 int[] numberOfFaces = new int[1];
66 int hr = fontFile.Analyze(isSupportedFontType, fontFileType, fontFaceType, numberOfFaces);
67 IDWriteFontFace face = null;
68 if (hr == OS.S_OK && isSupportedFontType[0]) {
69 int faceIndex = getFontIndex();
70 int simulation = OS.DWRITE_FONT_SIMULATIONS_NONE;
71 face = factory.CreateFontFace(fontFaceType[0], fontFile, faceIndex, simulation);
72 }
73 fontFile.Release();
74 return face;
75 }
76
77 private IDWriteFontFace createFontFace() {
78 if (isEmbeddedFont()) {
79 return createEmbeddedFontFace();
80 }
81
82 IDWriteFontCollection collection = DWFactory.getFontCollection();
83 int index = collection.FindFamilyName(getFamilyName());
84 if (index == -1) {
85 /* This can happen when the family name reported by GDI does not
86 * match family name in DirectWrite. For example, GDI reports
87 * 'Arial Black' as family name while DirectWrite represents the
88 * same font using family equals to 'Arial' and style equals to
89 * DWRITE_FONT_WEIGHT_BLACK. The fix to try to create the font
90 * using the font file.
91 */
92 return createEmbeddedFontFace();
93 }
94
95 IDWriteFontFamily family = collection.GetFontFamily(index);
96 if (family == null) return null;
97 int weight = isBold() ? OS.DWRITE_FONT_WEIGHT_BOLD :
98 OS.DWRITE_FONT_WEIGHT_NORMAL;
99 int stretch = OS.DWRITE_FONT_STRETCH_NORMAL;
100 int style = isItalic() ? OS.DWRITE_FONT_STYLE_ITALIC :
101 OS.DWRITE_FONT_STYLE_NORMAL;
102 IDWriteFont font = family.GetFirstMatchingFont(weight, stretch, style);
103 family.Release();
104 if (font == null) return null;
105 IDWriteFontFace face = font.CreateFontFace();
106 font.Release();
107 return face;
108 }
109
110 IDWriteFontFace getFontFace() {
111 return fontFace;
112 }
113
114 Path2D getGlyphOutline(int gc, float size) {
115 if (fontFace == null) return null;
116 if (size == 0) return new Path2D();
117 return fontFace.GetGlyphRunOutline(size, (short)gc, false);
118 }
119
120 RectBounds getBBox(int glyphCode, float size) {
121 /* In coretext and t2k this is the bounds for the path of the glyph */
122 float[] bb = new float[4];
123 getGlyphBoundingBox(glyphCode, size, bb);
124 return new RectBounds(bb[0], bb[1], bb[2], bb[3]);
125 }
126
127 @Override protected int[] createGlyphBoundingBox(int gc) {
128 if (fontFace == null) return null;
129 DWRITE_GLYPH_METRICS metrics = fontFace.GetDesignGlyphMetrics((short)gc, false);
130 if (metrics == null) return null;
131 int[] bb = new int[4];
132 bb[0] = metrics.leftSideBearing;
133 bb[1] = metrics.verticalOriginY - metrics.advanceHeight + metrics.bottomSideBearing;
134 bb[2] = metrics.advanceWidth - metrics.rightSideBearing;
135 bb[3] = metrics.verticalOriginY - metrics.topSideBearing;
136 return bb;
137 }
138
139 @Override
140 protected PrismFontStrike<DWFontFile> createStrike(float size, BaseTransform transform,
141 int aaMode, FontStrikeDesc desc) {
142 return new DWFontStrike(this, size, transform, aaMode, desc);
143 }
144 }