J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 | } |