| /* |
| * Copyright (c) 2004, 2016, 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. |
| * |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| /* @test |
| @bug 4328745 5090704 8166111 |
| @summary exercise getLayoutFlags, getGlyphCharIndex, getGlyphCharIndices |
| */ |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.awt.font.*; |
| import java.awt.geom.*; |
| |
| public class TestLayoutFlags { |
| |
| static public void main(String[] args) { |
| new TestLayoutFlags().runTest(); |
| } |
| |
| void runTest() { |
| |
| Font font = new Font("Lucida Sans", Font.PLAIN, 24); |
| |
| String latin1 = "This is a latin1 string"; // none |
| String hebrew = "\u05d0\u05d1\u05d2\u05d3"; // rtl |
| String arabic = "\u0646\u0644\u0622\u0646"; // rtl + mc/g |
| String hindi = "\u0939\u093f\u0923\u094d\u0921\u0940"; // ltr + reorder |
| // String tamil = "\u0b9c\u0bcb"; // ltr + mg/c + split |
| |
| FontRenderContext frc = new FontRenderContext(null, true, true); |
| |
| // get glyph char indices needs to initializes layoutFlags before use (5090704) |
| { |
| GlyphVector gv = font.createGlyphVector(frc, "abcde"); |
| int ix = gv.getGlyphCharIndex(0); |
| if (ix != 0) { |
| throw new Error("glyph 0 incorrectly mapped to char " + ix); |
| } |
| int[] ixs = gv.getGlyphCharIndices(0, gv.getNumGlyphs(), null); |
| for (int i = 0; i < ixs.length; ++i) { |
| if (ixs[i] != i) { |
| throw new Error("glyph " + i + " incorrectly mapped to char " + ixs[i]); |
| } |
| } |
| } |
| |
| GlyphVector latinGV = makeGlyphVector("Lucida Sans", frc, latin1, false, 1 /* ScriptRun.LATIN */); |
| GlyphVector hebrewGV = makeGlyphVector("Lucida Sans", frc, hebrew, true, 5 /* ScriptRun.HEBREW */); |
| GlyphVector arabicGV = makeGlyphVector("Lucida Sans", frc, arabic, true, 6 /* ScriptRun.ARABIC */); |
| GlyphVector hindiGV = makeGlyphVector("Lucida Sans", frc, hindi, false, 7 /* ScriptRun.DEVANAGARI */); |
| // GlyphVector tamilGV = makeGlyphVector("Devanagari MT for IBM", frc, tamil, false, 12 /* ScriptRun.TAMIL */); |
| |
| GlyphVector latinPos = font.createGlyphVector(frc, latin1); |
| Point2D pt = latinPos.getGlyphPosition(0); |
| pt.setLocation(pt.getX(), pt.getY() + 1.0); |
| latinPos.setGlyphPosition(0, pt); |
| |
| GlyphVector latinTrans = font.createGlyphVector(frc, latin1); |
| latinTrans.setGlyphTransform(0, AffineTransform.getRotateInstance(.15)); |
| |
| test("latin", latinGV, GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS); |
| test("hebrew", hebrewGV, GlyphVector.FLAG_RUN_RTL | |
| GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS); |
| test("arabic", arabicGV, GlyphVector.FLAG_COMPLEX_GLYPHS | |
| GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS); |
| test("hindi", hindiGV, GlyphVector.FLAG_COMPLEX_GLYPHS | |
| GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS); |
| // test("tamil", tamilGV, GlyphVector.FLAG_COMPLEX_GLYPHS); |
| test("pos", latinPos, GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS); |
| test("trans", latinTrans, GlyphVector.FLAG_HAS_TRANSFORMS); |
| } |
| |
| GlyphVector makeGlyphVector(String fontname, FontRenderContext frc, String text, boolean rtl, int script) { |
| Font font = new Font(fontname, Font.PLAIN, 14); |
| System.out.println("asking for " + fontname + " and got " + font.getFontName()); |
| int flags = rtl ? 1 : 0; |
| return font.layoutGlyphVector(frc, text.toCharArray(), 0, text.length(), flags); |
| } |
| |
| void test(String name, GlyphVector gv, int expectedFlags) { |
| expectedFlags &= gv.FLAG_MASK; |
| int computedFlags = computeFlags(gv) & gv.FLAG_MASK; |
| int actualFlags = gv.getLayoutFlags() & gv.FLAG_MASK; |
| |
| System.out.println("\n*** " + name + " ***"); |
| System.out.println(" test flags"); |
| System.out.print("expected "); |
| printFlags(expectedFlags); |
| System.out.print("computed "); |
| printFlags(computedFlags); |
| System.out.print(" actual "); |
| printFlags(actualFlags); |
| |
| if (expectedFlags != actualFlags) { |
| throw new Error("layout flags in test: " + name + |
| " expected: " + Integer.toHexString(expectedFlags) + |
| " but got: " + Integer.toHexString(actualFlags)); |
| } |
| } |
| |
| static public void printFlags(int flags) { |
| System.out.print("flags:"); |
| if ((flags & GlyphVector.FLAG_HAS_POSITION_ADJUSTMENTS) != 0) { |
| System.out.print(" pos"); |
| } |
| if ((flags & GlyphVector.FLAG_HAS_TRANSFORMS) != 0) { |
| System.out.print(" trans"); |
| } |
| if ((flags & GlyphVector.FLAG_RUN_RTL) != 0) { |
| System.out.print(" rtl"); |
| } |
| if ((flags & GlyphVector.FLAG_COMPLEX_GLYPHS) != 0) { |
| System.out.print(" complex"); |
| } |
| if ((flags & GlyphVector.FLAG_MASK) == 0) { |
| System.out.print(" none"); |
| } |
| System.out.println(); |
| } |
| |
| int computeFlags(GlyphVector gv) { |
| validateCharIndexMethods(gv); |
| |
| int result = 0; |
| if (glyphsAreRTL(gv)) { |
| result |= GlyphVector.FLAG_RUN_RTL; |
| } |
| if (hasComplexGlyphs(gv)) { |
| result |= GlyphVector.FLAG_COMPLEX_GLYPHS; |
| } |
| |
| return result; |
| } |
| |
| /** |
| * throw an exception if getGlyphCharIndices returns a different result than |
| * you get from iterating through getGlyphCharIndex one at a time. |
| */ |
| void validateCharIndexMethods(GlyphVector gv) { |
| int[] indices = gv.getGlyphCharIndices(0, gv.getNumGlyphs(), null); |
| for (int i = 0; i < gv.getNumGlyphs(); ++i) { |
| if (gv.getGlyphCharIndex(i) != indices[i]) { |
| throw new Error("glyph index mismatch at " + i); |
| } |
| } |
| } |
| |
| /** |
| * Return true if the glyph indices are pure ltr |
| */ |
| boolean glyphsAreLTR(GlyphVector gv) { |
| int[] indices = gv.getGlyphCharIndices(0, gv.getNumGlyphs(), null); |
| for (int i = 0; i < indices.length; ++i) { |
| if (indices[i] != i) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Return true if the glyph indices are pure rtl |
| */ |
| boolean glyphsAreRTL(GlyphVector gv) { |
| int[] indices = gv.getGlyphCharIndices(0, gv.getNumGlyphs(), null); |
| for (int i = 0; i < indices.length; ++i) { |
| if (indices[i] != indices.length - i - 1) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Return true if there is a local reordering (the run is not ltr or rtl). |
| * !!! We can't have mixed bidi runs in the glyphs. |
| */ |
| boolean hasComplexGlyphs(GlyphVector gv) { |
| return !glyphsAreLTR(gv) && !glyphsAreRTL(gv); |
| } |
| } |
| |
| /* |
| rect getPixelBounds(frc, x, y) |
| rect getGlyphPixelBounds(frc, int, x, y) |
| getGlyphOutline(int index, x, y) |
| getGlyphInfo() |
| */ |