| /* | |
| * Copyright (c) 2015, 2025, 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. | |
| */ | |
| #ifndef HB_JDK_H | |
| #define HB_JDK_H | |
| #include "hb.h" | |
| #include <jni.h> | |
| #include <sunfontids.h> | |
| # ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| typedef struct JDKFontInfo_Struct { | |
| JNIEnv* env; | |
| jobject font2D; | |
| jobject fontStrike; | |
| float matrix[4]; | |
| float ptSize; | |
| float xPtSize; | |
| float yPtSize; | |
| float devScale; // How much applying the full glyph tx scales x distance. | |
| } JDKFontInfo; | |
| // Use 16.16 for better precision than 26.6 | |
| #define HBFloatToFixedScale ((float)(1 << 16)) | |
| #define HBFloatToFixed(f) ((unsigned int)((f) * HBFloatToFixedScale)) | |
| // Matches sun.font.CharToGlyphMapper.INVISIBLE_GLYPH_ID | |
| #define INVISIBLE_GLYPH_ID 0xffff | |
| /* | |
| * Note: | |
| * | |
| * Set face size on ft-face before creating hb-font from it. | |
| * Otherwise hb-ft would NOT pick up the font size correctly. | |
| */ | |
| hb_font_t * | |
| hb_jdk_font_create(hb_face_t* hbFace, | |
| JDKFontInfo* jdkFontInfo, | |
| hb_destroy_func_t destroy); | |
| /* Makes an hb_font_t use JDK internally to implement font functions. */ | |
| void | |
| hb_jdk_font_set_funcs(hb_font_t *font); | |
| # ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* HB_JDK_H */ |