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/*
* Copyright 2003-2007 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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 false
#define false 0
#endif
#ifndef true
#define true 1
#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))
typedef struct GlyphInfo {
float advanceX;
float advanceY;
UInt16 width;
UInt16 height;
UInt16 rowBytes;
float topLeftX;
float topLeftY;
struct _CacheCellInfo *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 MORT_TAG 0x6D6F7274 /* 'mort' */
#define KERN_TAG 0x6B65726E /* 'kern' */
typedef struct TTLayoutTableCache {
void* gsub;
void* gpos;
void* gdef;
void* mort;
void* kern;
void* kernPairs;
int gsub_len;
int gpos_len;
int gdef_len;
int mort_len;
int kern_len;
} 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
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