| /* |
| * Copyright (c) 2011, 2013, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| #import <Cocoa/Cocoa.h> |
| #import <jni.h> |
| #import <JavaRuntimeSupport/JavaRuntimeSupport.h> |
| |
| #include "AWTFont.h" |
| |
| #pragma mark --- CoreText Support --- |
| |
| #define HI_SURROGATE_START 0xD800 |
| #define HI_SURROGATE_END 0xDBFF |
| #define LO_SURROGATE_START 0xDC00 |
| #define LO_SURROGATE_END 0xDFFF |
| |
| /* |
| * Transform Unicode characters into glyphs. |
| * |
| * Fills the "glyphsAsInts" array with the glyph codes for the current font, |
| * or the negative unicode value if we know the character can be hot-substituted. |
| * |
| * This is the heart of "Universal Font Substitution" in Java. |
| */ |
| void CTS_GetGlyphsAsIntsForCharacters(const AWTFont *font, const UniChar unicodes[], CGGlyph glyphs[], jint glyphsAsInts[], const size_t count); |
| |
| // Translates a Java glyph code int (might be a negative unicode value) into a CGGlyph/CTFontRef pair |
| // Returns the substituted font, and places the appropriate glyph into "glyph" |
| CTFontRef CTS_CopyCTFallbackFontAndGlyphForJavaGlyphCode(const AWTFont *font, const jint glyphCode, CGGlyph *glyphRef); |
| |
| // Translates a Unicode into a CGGlyph/CTFontRef pair |
| // Returns the substituted font, and places the appropriate glyph into "glyphRef" |
| CTFontRef CTS_CopyCTFallbackFontAndGlyphForUnicode(const AWTFont *font, const UTF16Char *charRef, CGGlyph *glyphRef, int count); |
| |
| // Breakup a 32 bit unicode value into the component surrogate pairs |
| void CTS_BreakupUnicodeIntoSurrogatePairs(int uniChar, UTF16Char charRef[]); |
| |
| |
| // Basic struct that holds everything CoreText is interested in |
| typedef struct CTS_ProviderStruct { |
| const UniChar *unicodes; |
| CFIndex length; |
| CFMutableDictionaryRef attributes; |
| } CTS_ProviderStruct; |