| /* |
| * Copyright (c) 2003, 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. |
| */ |
| |
| #ifndef FontScalerDefsIncludesDefined |
| #define FontScalerDefsIncludesDefined |
| |
| #include "AccelGlyphCache.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define kPosInfinity16 (32767) |
| #define kNegInfinity16 (-32768) |
| |
| #define kPosInfinity32 (0x7fffffff) |
| #define kNegInfinity32 (0x80000000) |
| |
| |
| #ifdef _LP64 |
| typedef unsigned int UInt32; |
| typedef int Int32; |
| #else |
| typedef unsigned long UInt32; |
| typedef long Int32; |
| #endif |
| typedef unsigned short UInt16; |
| typedef short Int16; |
| typedef unsigned char UInt8; |
| |
| typedef UInt8 Byte; |
| typedef Int32 hsFixed; |
| typedef Int32 hsFract; |
| typedef UInt32 Bool32; |
| |
| #ifndef __cplusplus |
| #ifndef false |
| #define false 0 |
| #endif |
| |
| #ifndef true |
| #define true 1 |
| #endif |
| #endif |
| |
| #define kPosInfinity32 (0x7fffffff) |
| #define kNegInfinity32 (0x80000000) |
| |
| #define F26Dot6ToFixed(n) ((n) << 10) |
| #define F26Dot6ToScalar(n) (((t2kScalar)(n)) / (t2kScalar)64) |
| |
| /* t2kFixed is the same as F16Dot16 format although T2K also uses 26.6 */ |
| typedef Int32 t2kFixed; |
| typedef float t2kScalar; |
| |
| #define t2kIntToFixed(x) ((t2kFixed)(x) << 16) |
| #define t2kFixedToInt(x) ((x) >> 16) |
| |
| #define t2kFixedRound(x) (((x) + 0x8000) >> 16) |
| #define t2kFixed1 t2kIntToFixed(1) |
| |
| #define t2kFloatToFixed(f) (t2kFixed)((f) * (float)(t2kFixed1)) |
| #define t2kFixedToFloat(x) ((x) / (float)(65536)) |
| |
| #define t2kScalarAverage(a, b) (((a) + (b)) / (t2kScalar)(2)) |
| |
| /* managed: 1 means the glyph has a hardware cached |
| * copy, and its freeing is managed by the usual |
| * 2D disposer code. |
| * A value of 0 means its either unaccelerated (and so has no cellInfos) |
| * or we want to free this in a different way. |
| * The field uses previously unused padding, so doesn't enlarge |
| * the structure. |
| */ |
| #define UNMANAGED_GLYPH 0 |
| #define MANAGED_GLYPH 1 |
| typedef struct GlyphInfo { |
| float advanceX; |
| float advanceY; |
| UInt16 width; |
| UInt16 height; |
| UInt16 rowBytes; |
| UInt8 managed; |
| float topLeftX; |
| float topLeftY; |
| void *cellInfo; |
| UInt8 *image; |
| } GlyphInfo; |
| |
| /* We use fffe and ffff as meaning invisible glyphs which have no |
| * image, or advance and an empty outline. |
| * Since there are no valid glyphs with this great a value (watch out for |
| * large fonts in the future!) we can safely use check for >= this value |
| */ |
| #define INVISIBLE_GLYPHS 0xfffe |
| |
| #define GSUB_TAG 0x47535542 /* 'GSUB' */ |
| #define GPOS_TAG 0x47504F53 /* 'GPOS' */ |
| #define GDEF_TAG 0x47444546 /* 'GDEF' */ |
| #define HEAD_TAG 0x68656164 /* 'head' */ |
| #define MORT_TAG 0x6D6F7274 /* 'mort' */ |
| #define MORX_TAG 0x6D6F7278 /* 'morx' */ |
| #define KERN_TAG 0x6B65726E /* 'kern' */ |
| |
| typedef struct TTLayoutTableCacheEntry { |
| const void* ptr; |
| int len; |
| int tag; |
| } TTLayoutTableCacheEntry; |
| |
| #define LAYOUTCACHE_ENTRIES 7 |
| |
| typedef struct TTLayoutTableCache { |
| TTLayoutTableCacheEntry entries[LAYOUTCACHE_ENTRIES]; |
| void* kernPairs; |
| } TTLayoutTableCache; |
| |
| #include "sunfontids.h" |
| |
| JNIEXPORT extern TTLayoutTableCache* newLayoutTableCache(); |
| JNIEXPORT extern void freeLayoutTableCache(TTLayoutTableCache* ltc); |
| |
| /* If font is malformed then scaler context created by particular scaler |
| * will be replaced by null scaler context. |
| * Note that this context is not compatible with structure of the context |
| * object used by particular scaler. Therefore, before using context |
| * scaler has to check if it is NullContext. |
| * |
| * Note that in theory request with NullContext should not even reach native |
| * scaler. |
| * |
| * It seems that the only reason to support NullContext is to simplify |
| * FileFontStrike logic - presence of context is used as marker to |
| * free the memory. |
| */ |
| JNIEXPORT int isNullScalerContext(void *context); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |