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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 2005, 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.pipe; | |
| 27 | + | |
| 28 | +import java.awt.Font; | |
| 29 | +import java.awt.Rectangle; | |
| 30 | +import java.awt.Shape; | |
| 31 | +import java.awt.font.FontRenderContext; | |
| 32 | +import java.awt.font.GlyphVector; | |
| 33 | +import java.awt.font.TextLayout; | |
| 34 | + | |
| 35 | +import sun.awt.SunHints; | |
| 36 | +import sun.java2d.SunGraphics2D; | |
| 37 | +import sun.java2d.SurfaceData; | |
| 38 | +import sun.font.GlyphList; | |
| 39 | +import sun.java2d.loops.FontInfo; | |
| 40 | + | |
| 41 | +/** | |
| 42 | + * A delegate pipe of SG2D for drawing text. | |
| 43 | + */ | |
| 44 | + | |
| 45 | +public abstract class GlyphListPipe implements TextPipe { | |
| 46 | + | |
| 47 | + public void drawString(SunGraphics2D sg2d, String s, | |
| 48 | + double x, double y) | |
| 49 | + { | |
| 50 | + FontInfo info = sg2d.getFontInfo(); | |
| 51 | + if (info.pixelHeight > OutlineTextRenderer.THRESHHOLD) { | |
| 52 | + SurfaceData.outlineTextRenderer.drawString(sg2d, s, x, y); | |
| 53 | + return; | |
| 54 | + } | |
| 55 | + | |
| 56 | + float devx, devy; | |
| 57 | + if (sg2d.transformState >= sg2d.TRANSFORM_TRANSLATESCALE) { | |
| 58 | + double origin[] = {x + info.originX, y + info.originY}; | |
| 59 | + sg2d.transform.transform(origin, 0, origin, 0, 1); | |
| 60 | + devx = (float)origin[0]; | |
| 61 | + devy = (float)origin[1]; | |
| 62 | + } else { | |
| 63 | + devx = (float)(x + info.originX + sg2d.transX); | |
| 64 | + devy = (float)(y + info.originY + sg2d.transY); | |
| 65 | + } | |
| 66 | + /* setFromString returns false if shaping is needed, and we then back | |
| 67 | + * off to a TextLayout. Such text may benefit slightly from a lower | |
| 68 | + * overhead in this approach over the approach in previous releases. | |
| 69 | + */ | |
| 70 | + GlyphList gl = GlyphList.getInstance(); | |
| 71 | + if (gl.setFromString(info, s, devx, devy)) { | |
| 72 | + drawGlyphList(sg2d, gl); | |
| 73 | + gl.dispose(); | |
| 74 | + } else { | |
| 75 | + gl.dispose(); // release this asap. | |
| 76 | + TextLayout tl = new TextLayout(s, sg2d.getFont(), | |
| 77 | + sg2d.getFontRenderContext()); | |
| 78 | + tl.draw(sg2d, (float)x, (float)y); | |
| 79 | + } | |
| 80 | + } | |
| 81 | + | |
| 82 | + public void drawChars(SunGraphics2D sg2d, | |
| 83 | + char data[], int offset, int length, | |
| 84 | + int ix, int iy) | |
| 85 | + { | |
| 86 | + FontInfo info = sg2d.getFontInfo(); | |
| 87 | + float x, y; | |
| 88 | + if (info.pixelHeight > OutlineTextRenderer.THRESHHOLD) { | |
| 89 | + SurfaceData.outlineTextRenderer.drawChars( | |
| 90 | + sg2d, data, offset, length, ix, iy); | |
| 91 | + return; | |
| 92 | + } | |
| 93 | + if (sg2d.transformState >= sg2d.TRANSFORM_TRANSLATESCALE) { | |
| 94 | + double origin[] = {ix + info.originX, iy + info.originY}; | |
| 95 | + sg2d.transform.transform(origin, 0, origin, 0, 1); | |
| 96 | + x = (float) origin[0]; | |
| 97 | + y = (float) origin[1]; | |
| 98 | + } else { | |
| 99 | + x = ix + info.originX + sg2d.transX; | |
| 100 | + y = iy + info.originY + sg2d.transY; | |
| 101 | + } | |
| 102 | + GlyphList gl = GlyphList.getInstance(); | |
| 103 | + if (gl.setFromChars(info, data, offset, length, x, y)) { | |
| 104 | + drawGlyphList(sg2d, gl); | |
| 105 | + gl.dispose(); | |
| 106 | + } else { | |
| 107 | + gl.dispose(); // release this asap. | |
| 108 | + TextLayout tl = new TextLayout(new String(data, offset, length), | |
| 109 | + sg2d.getFont(), | |
| 110 | + sg2d.getFontRenderContext()); | |
| 111 | + tl.draw(sg2d, ix, iy); | |
| 112 | + | |
| 113 | + } | |
| 114 | + } | |
| 115 | + | |
| 116 | + public void drawGlyphVector(SunGraphics2D sg2d, GlyphVector gv, | |
| 117 | + float x, float y) | |
| 118 | + { | |
| 119 | + FontRenderContext frc = gv.getFontRenderContext(); | |
| 120 | + FontInfo info = sg2d.getGVFontInfo(gv.getFont(), frc); | |
| 121 | + if (info.pixelHeight > OutlineTextRenderer.THRESHHOLD) { | |
| 122 | + SurfaceData.outlineTextRenderer.drawGlyphVector(sg2d, gv, x, y); | |
| 123 | + return; | |
| 124 | + } | |
| 125 | + if (sg2d.transformState >= sg2d.TRANSFORM_TRANSLATESCALE) { | |
| 126 | + double origin[] = {x, y}; | |
| 127 | + sg2d.transform.transform(origin, 0, origin, 0, 1); | |
| 128 | + x = (float) origin[0]; | |
| 129 | + y = (float) origin[1]; | |
| 130 | + } else { | |
| 131 | + x += sg2d.transX; // don't use the glyph info origin, already in gv. | |
| 132 | + y += sg2d.transY; | |
| 133 | + } | |
| 134 | + | |
| 135 | + GlyphList gl = GlyphList.getInstance(); | |
| 136 | + gl.setFromGlyphVector(info, gv, x, y); | |
| 137 | + drawGlyphList(sg2d, gl, info.aaHint); | |
| 138 | + gl.dispose(); | |
| 139 | + } | |
| 140 | + | |
| 141 | + protected abstract void drawGlyphList(SunGraphics2D sg2d, GlyphList gl); | |
| 142 | + | |
| 143 | + protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl, | |
| 144 | + int aaHint) { | |
| 145 | + drawGlyphList(sg2d, gl); | |
| 146 | + } | |
| 147 | +} | |