1 /* 2 * Copyright (c) 2011, 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 #import <Cocoa/Cocoa.h> 27 #import <jni.h> 28 #import <JavaRuntimeSupport/JavaRuntimeSupport.h> 29 30 #include "AWTFont.h" 31 32 #pragma mark --- CoreText Support --- 33 34 #define HI_SURROGATE_START 0xD800 35 #define LO_SURROGATE_START 0xDC00 36 37 /* 38 * Transform Unicode characters into glyphs. 39 * 40 * Fills the "glyphsAsInts" array with the glyph codes for the current font, 41 * or the negative unicode value if we know the character can be hot-substituted. 42 * 43 * This is the heart of "Universal Font Substitution" in Java. 44 */ 45 void CTS_GetGlyphsAsIntsForCharacters(const AWTFont *font, const UniChar unicodes[], CGGlyph glyphs[], jint glyphsAsInts[], const size_t count); 46 47 // Translates a Java glyph code int (might be a negative unicode value) into a CGGlyph/CTFontRef pair 48 // Returns the substituted font, and places the appropriate glyph into "glyph" 49 CTFontRef CTS_CopyCTFallbackFontAndGlyphForJavaGlyphCode(const AWTFont *font, const jint glyphCode, CGGlyph *glyphRef); 50 51 // Translates a Unicode into a CGGlyph/CTFontRef pair 52 // Returns the substituted font, and places the appropriate glyph into "glyphRef" 53 CTFontRef CTS_CopyCTFallbackFontAndGlyphForUnicode(const AWTFont *font, const UTF16Char *charRef, CGGlyph *glyphRef, int count); 54 55 // Breakup a 32 bit unicode value into the component surrogate pairs 56 void CTS_BreakupUnicodeIntoSurrogatePairs(int uniChar, UTF16Char charRef[]); 57 58 59 // Basic struct that holds everything CoreText is interested in 60 typedef struct CTS_ProviderStruct { 61 const UniChar *unicodes; 62 CFIndex length; 63 CFMutableDictionaryRef attributes; 64 } CTS_ProviderStruct;