1 /*
2 * Copyright (c) 2000, 2018, 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 sun.java2d.loops;
27
28 import sun.java2d.loops.GraphicsPrimitive;
29 import sun.java2d.pipe.Region;
30 import sun.java2d.SunGraphics2D;
31 import sun.java2d.SurfaceData;
32 import sun.font.GlyphList;
33
34 /**
35 * DrawGlyphList - loops for SolidTextRenderer pipe.
36 * 1) draw solid color text onto destination surface
37 * 2) must accept output area [x, y, dx, dy]
38 * from within the surface description data for clip rect
39 */
40 public class DrawGlyphList extends GraphicsPrimitive {
41
42 public static final String methodSignature = "DrawGlyphList(...)".toString();
43
44 public static final int primTypeID = makePrimTypeID();
45
46 public static DrawGlyphList locate(SurfaceType srctype,
47 CompositeType comptype,
48 SurfaceType dsttype)
49 {
50 return (DrawGlyphList)
51 GraphicsPrimitiveMgr.locate(primTypeID,
52 srctype, comptype, dsttype);
53 }
54
55 protected DrawGlyphList(SurfaceType srctype,
56 CompositeType comptype,
57 SurfaceType dsttype)
58 {
59 super(methodSignature, primTypeID, srctype, comptype, dsttype);
60 }
61
62 public DrawGlyphList(long pNativePrim,
63 SurfaceType srctype,
64 CompositeType comptype,
65 SurfaceType dsttype)
66 {
67 super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype);
68 }
69
70
71 public native void DrawGlyphList(SunGraphics2D sg2d, SurfaceData dest,
72 GlyphList srcData);
73
74 // This instance is used only for lookup.
75 static {
76 GraphicsPrimitiveMgr.registerGeneral(
77 new DrawGlyphList(null, null, null));
78 }
79
80 public GraphicsPrimitive makePrimitive(SurfaceType srctype,
81 CompositeType comptype,
82 SurfaceType dsttype) {
83 return new General(srctype, comptype, dsttype);
84 }
85
86 private static class General extends DrawGlyphList {
87 MaskFill maskop;
88
89 public General(SurfaceType srctype,
90 CompositeType comptype,
91 SurfaceType dsttype)
92 {
93 super(srctype, comptype, dsttype);
94 maskop = MaskFill.locate(srctype, comptype, dsttype);
95 }
96
97 public void DrawGlyphList(SunGraphics2D sg2d, SurfaceData dest,
98 GlyphList gl) {
99
100 int[] strbounds = gl.getBounds(); // Don't delete, bug 4895493
101 int num = gl.getNumGlyphs();
102 Region clip = sg2d.getCompClip();
103 int cx1 = clip.getLoX();
104 int cy1 = clip.getLoY();
105 int cx2 = clip.getHiX();
106 int cy2 = clip.getHiY();
107 for (int i = 0; i < num; i++) {
108 gl.setGlyphIndex(i);
109 int[] metrics = gl.getMetrics();
110 int gx1 = metrics[0];
111 int gy1 = metrics[1];
112 int w = metrics[2];
113 int gx2 = gx1 + w;
114 int gy2 = gy1 + metrics[3];
115 int off = 0;
116 if (gx1 < cx1) {
117 off = cx1 - gx1;
118 gx1 = cx1;
119 }
120 if (gy1 < cy1) {
121 off += (cy1 - gy1) * w;
122 gy1 = cy1;
123 }
124 if (gx2 > cx2) gx2 = cx2;
125 if (gy2 > cy2) gy2 = cy2;
126 if (gx2 > gx1 && gy2 > gy1) {
127 byte[] alpha = gl.getGrayBits();
128 maskop.MaskFill(sg2d, dest, sg2d.composite,
129 gx1, gy1, gx2 - gx1, gy2 - gy1,
130 alpha, off, w);
131 }
132 }
133 }
134 }
135
136 public GraphicsPrimitive traceWrap() {
137 return new TraceDrawGlyphList(this);
138 }
139
140 private static class TraceDrawGlyphList extends DrawGlyphList {
141 DrawGlyphList target;
142
143 public TraceDrawGlyphList(DrawGlyphList target) {
144 super(target.getSourceType(),
145 target.getCompositeType(),
146 target.getDestType());
147 this.target = target;
148 }
149
150 public GraphicsPrimitive traceWrap() {
151 return this;
152 }
153
154 public void DrawGlyphList(SunGraphics2D sg2d, SurfaceData dest,
155 GlyphList glyphs)
156 {
157 tracePrimitive(target);
158 target.DrawGlyphList(sg2d, dest, glyphs);
159 }
160 }
161 }