/*

 * 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 MORT_TAG 0x6D6F7274 /* 'mort' */

#define MORX_TAG 0x6D6F7278 /* 'morx' */

#define KERN_TAG 0x6B65726E /* 'kern' */

typedef struct TTLayoutTableCacheEntry {

  const void* ptr;

  int   len;

} TTLayoutTableCacheEntry;

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