/*

 * Copyright (c) 1997, 2003, 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 MLIB_IMAGE_TYPES_H

#define MLIB_IMAGE_TYPES_H

#ifdef __cplusplus

extern "C" {

#endif

typedef enum {

  MLIB_BIT    = 0,      /* 1-bit data                   */

  MLIB_BYTE   = 1,      /* 8-bit unsigned integer data  */

  MLIB_SHORT  = 2,      /* 16-bit signed integer data   */

  MLIB_INT    = 3,      /* 32-bit signed integer data   */

  MLIB_FLOAT  = 4,      /* 32-bit floating-point data   */

  MLIB_DOUBLE = 5,      /* 64-bit floating-point data   */

  MLIB_USHORT = 6       /* 16-bit unsigned integer data */

} mlib_type;

typedef enum {

  MLIB_NEAREST  = 0,    /* nearest neighbor filter      */

  MLIB_BILINEAR = 1,    /* bilinear filter              */

  MLIB_BICUBIC  = 2,    /* bicubic filter               */

  MLIB_BICUBIC2 = 3     /* bicubic2 filter              */

} mlib_filter;

typedef enum {

  MLIB_EDGE_DST_NO_WRITE      = 0,      /* no write to dst edge */

  MLIB_EDGE_DST_FILL_ZERO     = 1,      /* set dst edge to zero */

  MLIB_EDGE_DST_COPY_SRC      = 2,      /* copy src edge to dst edge */

  MLIB_EDGE_OP_NEAREST        = 3,      /* use nearest neighbor interpolation

                                           for edge pixels */

  MLIB_EDGE_OP_DEGRADED       = 4,      /* use degraded interpolation for

                                           edge pixels, i.e., bicubic ->

                                           bilinear -> nearest neighbor */

  MLIB_EDGE_SRC_EXTEND        = 5,      /* extend src edge by replication */

  MLIB_EDGE_SRC_EXTEND_ZERO   = 6,      /* extend src edge with zeros */

  MLIB_EDGE_SRC_EXTEND_MIRROR = 7,      /* extend src edge with mirrored data */

  MLIB_EDGE_SRC_PADDED        = 8       /* use borders specified in mlib_image structure */

} mlib_edge;

typedef enum {

  MLIB_BLEND_ZERO                = 0,

  MLIB_BLEND_ONE                 = 1,

  MLIB_BLEND_DST_COLOR           = 2,

  MLIB_BLEND_SRC_COLOR           = 3,

  MLIB_BLEND_ONE_MINUS_DST_COLOR = 4,

  MLIB_BLEND_ONE_MINUS_SRC_COLOR = 5,

  MLIB_BLEND_DST_ALPHA           = 6,

  MLIB_BLEND_SRC_ALPHA           = 7,

  MLIB_BLEND_ONE_MINUS_DST_ALPHA = 8,

  MLIB_BLEND_ONE_MINUS_SRC_ALPHA = 9,

  MLIB_BLEND_SRC_ALPHA_SATURATE  = 10

} mlib_blend;

typedef enum {

  MLIB_DFT_SCALE_NONE     = 0,  /* forward transform without scaling */

  MLIB_DFT_SCALE_MXN      = 1,  /* forward transform with scaling of

                                   1/(M*N) */

  MLIB_DFT_SCALE_SQRT     = 2,  /* forward transform with scaling of

                                   1/sqrt(M*N) */

  MLIB_IDFT_SCALE_NONE    = 3,  /* inverse transform without scaling */

  MLIB_IDFT_SCALE_MXN     = 4,  /* inverse transform with scaling of

                                   1/(M*N) */

  MLIB_IDFT_SCALE_SQRT    = 5   /* inverse transform with scaling of

                                   1/sqrt(M*N) */

} mlib_fourier_mode;

typedef enum {

  MLIB_MEDIAN_MASK_RECT             = 0, /* Rectangle shaped mask */

  MLIB_MEDIAN_MASK_PLUS             = 1, /* Plus shaped mask */

  MLIB_MEDIAN_MASK_X                = 2, /* X shaped mask */

  MLIB_MEDIAN_MASK_RECT_SEPARABLE   = 3  /* Separable rectangle mask */

} mlib_median_mask;

typedef enum { /* constants used for pixel format */

  MLIB_FORMAT_UNKNOWN         =  0,

  MLIB_FORMAT_INDEXED         =  1,

  MLIB_FORMAT_GRAYSCALE       =  2,

  MLIB_FORMAT_RGB             =  3,

  MLIB_FORMAT_BGR             =  4,

  MLIB_FORMAT_ARGB            =  5,

  MLIB_FORMAT_ABGR            =  6,

  MLIB_FORMAT_PACKED_ARGB     =  7,

  MLIB_FORMAT_PACKED_ABGR     =  8,

  MLIB_FORMAT_GRAYSCALE_ALPHA =  9,

  MLIB_FORMAT_RGBA            = 10

} mlib_format;

typedef struct {

  mlib_type   type;        /* data type of image                       */

  mlib_s32    channels;    /* number of channels                       */

  mlib_s32    width;       /* width of image in pixels, x dimension    */

  mlib_s32    height;      /* height of image in pixels, y dimension   */

  mlib_s32    stride;      /* linestride = bytes to next row           */

  mlib_s32    flags;       /* collection of helpful hints              */

  void        *data;       /* pointer to first data pixel              */

  void        *state;      /* internal state structure                 */

  mlib_u8     paddings[4]; /* left, top, right, bottom                 */

  mlib_s32    bitoffset;   /* the offset in bits from the beginning    */

                           /* of the data buffer to the first pixel    */

  mlib_format format;      /* pixels format                            */

  mlib_s32    reserved[7 - 2*sizeof(void*)/4];

                           /* Reserved for future use. Also makes      */

                           /* size of this structure = 64 bytes, which */

                           /* is the size of the cache line.           */

} mlib_image;

/*

 * Flags or hints are contained in a 32-bit integer. The bit structure is

 * shown below:

 *

 *      3                   2                   1

 *    1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0

 *   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

 *   |S|                 |U|V| shint | hhint | whint |     dhint     |

 *   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

 *

 *      S = 0   - attributes have been set (attribute field >= 0)

 *          1   - attributes have not been set (attribute field < 0)

 *

 *      U = 0   - mediaLib allocated data space

 *          1   - user allocated data space

 *

 *      V = 0   - stride == width => 1-D vector

 *          1   - stride != width

 *

 *      shint   - last 4 bits of stride

 *

 *      hhint   - last 4 bits of height

 *

 *      whint   - last 4 bits of width

 *

 *      dhint   - last 8 bits of data address

 */

enum {

  MLIB_IMAGE_ALIGNED64     = 0x3f,

  MLIB_IMAGE_ALIGNED8      = 0x7,

  MLIB_IMAGE_ALIGNED4      = 0x3,

  MLIB_IMAGE_ALIGNED2      = 0x1,

  MLIB_IMAGE_WIDTH8X       = 0x700,

  MLIB_IMAGE_WIDTH4X       = 0x300,

  MLIB_IMAGE_WIDTH2X       = 0x100,

  MLIB_IMAGE_HEIGHT8X      = 0x7000,

  MLIB_IMAGE_HEIGHT4X      = 0x3000,

  MLIB_IMAGE_HEIGHT2X      = 0x1000,

  MLIB_IMAGE_STRIDE8X      = 0x70000,

  MLIB_IMAGE_ONEDVECTOR    = 0x100000,

  MLIB_IMAGE_USERALLOCATED = 0x200000,

  MLIB_IMAGE_ATTRIBUTESET  = 0x7fffffff

};

#ifdef __cplusplus

}

#endif

#endif  /* MLIB_IMAGE_TYPES_H */