1 /* 2 * Copyright (c) 2015, 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 #ifndef HB_JDK_H 27 #define HB_JDK_H 28 29 #include "hb.h" 30 #include <jni.h> 31 #include <sunfontids.h> 32 #include <fontscalerdefs.h> 33 34 # ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 typedef struct JDKFontInfo_Struct { 39 JNIEnv* env; 40 jobject font2D; 41 jobject fontStrike; 42 long nativeFont; 43 TTLayoutTableCache *layoutTables; 44 float matrix[4]; 45 float ptSize; 46 float xPtSize; 47 float yPtSize; 48 float devScale; // How much applying the full glyph tx scales x distance. 49 jboolean aat; 50 } JDKFontInfo; 51 52 53 // Use 16.16 for better precision than 26.6 54 #define HBFloatToFixedScale ((float)(1 << 16)) 55 #define HBFloatToFixed(f) ((unsigned int)((f) * HBFloatToFixedScale)) 56 57 /* 58 * Note: 59 * 60 * Set face size on ft-face before creating hb-font from it. 61 * Otherwise hb-ft would NOT pick up the font size correctly. 62 */ 63 64 hb_face_t * 65 hb_jdk_face_create(JDKFontInfo* jdkFontInfo, 66 hb_destroy_func_t destroy); 67 hb_font_t * 68 hb_jdk_font_create(JDKFontInfo* jdkFontInfo, 69 hb_destroy_func_t destroy); 70 71 72 /* Makes an hb_font_t use JDK internally to implement font functions. */ 73 void 74 hb_jdk_font_set_funcs(hb_font_t *font); 75 76 77 # ifdef __cplusplus 78 } 79 #endif 80 81 #endif /* HB_JDK_H */