/* -*-c-*- */
/* Copyright (C) 2002 Olivier Chapuis */
#ifndef FPNG_H
#define FPNG_H
/* ---------------------------- included header files ---------------------- */
#include "PictureBase.h"
#if PngSupport
#include <png.h>
#else
#include <setjmp.h>
#endif
/* ---------------------------- global definitions ------------------------- */
/* ---------------------------- global macros ------------------------------ */
/* ---------------------------- type definitions --------------------------- */
#ifndef _ZLIB_H
typedef unsigned char FzByte;
typedef unsigned int FzuInt;
typedef unsigned long FzuLong;
typedef FzByte FzBytef;
#ifdef __STDC__
typedef void *Fzvoidpf;
typedef void *Fzvoidp;
#else
typedef FzByte *Fzvoidpf;
typedef FzByte *Fzvoidp;
#endif
typedef Fzvoidpf (*Fzalloc_func) (
#ifdef __STDC__
Fzvoidpf opaque, FzuInt items, FzuInt size
#endif
);
typedef Fzvoidp (*Fzfree_func) (
#ifdef __STDC__
Fzvoidpf opaque, Fzvoidpf address
#endif
);
typedef struct Fz_stream_s {
FzBytef *next_in;
FzuInt avail_in;
FzuLong total_in;
FzBytef *next_out;
FzuInt avail_out;
FzuLong total_out;
char *msg;
struct internal_state *state;
Fzalloc_func zalloc;
Fzfree_func zfree;
Fzvoidpf opaque;
int data_type;
FzuLong adler;
FzuLong reserved;
} Fz_stream;
typedef Fz_stream *Fz_streamp;
#else /* _ZLIB_H */
#ifdef Z_PREFIX
typedef z_Byte FzByte;
typedef z_uInt FzuInt;
typedef z_uLong FzuLong;
typedef z_Bytef FzBytef;
typedef z_voidp Fzvoidp;
typedef z_voidpf Fzvoidpf;
typedef z_stream Fz_stream;
#else
typedef Byte FzByte;
typedef uInt FzuInt;
typedef uLong FzuLong;
typedef Bytef FzBytef;
typedef voidp Fzvoidp;
typedef voidpf Fzvoidpf;
typedef z_stream Fz_stream;
#endif
#endif /* !_ZLIB_H */
#if PngSupport
typedef png_uint_32 Fpng_uint_32;
typedef png_int_32 Fpng_int_32;
typedef png_uint_16 Fpng_uint_16;
typedef png_int_16 Fpng_int_16;
typedef png_byte Fpng_byte;
typedef png_size_t Fpng_size_t;
typedef png_struct Fpng_struct;
typedef png_structp Fpng_structp;
typedef png_structpp Fpng_structpp;
typedef png_info Fpng_info;
typedef png_infop Fpng_infop;
typedef png_infopp Fpng_infopp;
#else
typedef unsigned long Fpng_uint_32;
typedef long Fpng_int_32;
typedef unsigned short Fpng_uint_16;
typedef short Fpng_int_16;
typedef unsigned char Fpng_byte;
typedef size_t Fpng_size_t;
typedef void *Fpng_voidp;
typedef Fpng_byte *Fpng_bytep;
typedef Fpng_uint_32 *Fpng_uint_32p;
typedef Fpng_int_32 *Fpng_int_32p;
typedef Fpng_uint_16 *Fpng_uint_16p;
typedef Fpng_int_16 *Fpng_int_16p;
typedef const char *Fpng_const_charp;
typedef char *Fpng_charp;
typedef double *Fpng_doublep;
typedef Fpng_byte **Fpng_bytepp;
typedef Fpng_uint_32 **Fpng_uint_32pp;
typedef Fpng_int_32 **Fpng_int_32pp;
typedef Fpng_uint_16 **Fpng_uint_16pp;
typedef Fpng_int_16 **Fpng_int_16pp;
typedef const char **Fpng_const_charpp;
typedef char **Fpng_charpp;
typedef double **Fpng_doublepp;
typedef char ** *Fpng_charppp;
typedef struct Fpng_color_struct
{
Fpng_byte red;
Fpng_byte green;
Fpng_byte blue;
} Fpng_color;
typedef Fpng_color *Fpng_colorp;
typedef Fpng_color **Fpng_colorpp;
typedef struct Fpng_color_16_struct
{
Fpng_byte index;
Fpng_uint_16 red;
Fpng_uint_16 green;
Fpng_uint_16 blue;
Fpng_uint_16 gray;
} Fpng_color_16;
typedef Fpng_color_16 *Fpng_color_16p;
typedef Fpng_color_16 **Fpng_color_16pp;
typedef struct Fpng_color_8_struct
{
Fpng_byte red;
Fpng_byte green;
Fpng_byte blue;
Fpng_byte gray;
Fpng_byte alpha;
} Fpng_color_8;
typedef Fpng_color_8 *Fpng_color_8p;
typedef Fpng_color_8 **Fpng_color_8pp;
typedef struct Fpng_text_struct
{
int compression;
Fpng_charp key;
Fpng_charp text;
Fpng_size_t text_length;
} Fpng_text;
typedef Fpng_text *Fpng_textp;
typedef Fpng_text **Fpng_textpp;
typedef struct Fpng_time_struct
{
Fpng_uint_16 year;
Fpng_byte month;
Fpng_byte day;
Fpng_byte hour;
Fpng_byte minute;
Fpng_byte second;
} Fpng_time;
typedef Fpng_time *Fpng_timep;
typedef Fpng_time **Fpng_timepp;
typedef struct Fpng_info_struct
{
Fpng_uint_32 width;
Fpng_uint_32 height;
Fpng_uint_32 valid;
Fpng_uint_32 rowbytes;
Fpng_colorp palette;
Fpng_uint_16 num_palette;
Fpng_uint_16 num_trans;
Fpng_byte bit_depth;
Fpng_byte color_type;
Fpng_byte compression_type;
Fpng_byte filter_type;
Fpng_byte interlace_type;
Fpng_byte channels;
Fpng_byte pixel_depth;
Fpng_byte spare_byte;
Fpng_byte signature[8];
float gamma;
Fpng_byte srgb_intent;
int num_text;
int max_text;
Fpng_textp text;
Fpng_time mod_time;
Fpng_color_8 sig_bit;
Fpng_bytep trans;
Fpng_color_16 trans_values;
Fpng_color_16 background;
Fpng_uint_32 x_offset;
Fpng_uint_32 y_offset;
Fpng_byte offset_unit_type;
Fpng_uint_32 x_pixels_per_unit;
Fpng_uint_32 y_pixels_per_unit;
Fpng_byte phys_unit_type;
Fpng_uint_16p hist;
float x_white;
float y_white;
float x_red;
float y_red;
float x_green;
float y_green;
float x_blue;
float y_blue;
Fpng_charp pcal_purpose;
Fpng_int_32 pcal_X0;
Fpng_int_32 pcal_X1;
Fpng_charp pcal_units;
Fpng_charpp pcal_params;
Fpng_byte pcal_type;
Fpng_byte pcal_nparams;
} Fpng_info;
typedef Fpng_info *Fpng_infop;
typedef Fpng_info **Fpng_infopp;
typedef struct Fpng_struct_def Fpng_struct;
typedef Fpng_struct *Fpng_structp;
typedef struct Fpng_row_info_struct
{
Fpng_uint_32 width;
Fpng_uint_32 rowbytes;
Fpng_byte color_type;
Fpng_byte bit_depth;
Fpng_byte channels;
Fpng_byte pixel_depth;
} Fpng_row_info;
typedef Fpng_row_info *Fpng_row_infop;
typedef Fpng_row_info **Fpng_row_infopp;
typedef void (*Fpng_error_ptr)(
#ifdef __STDC__
Fpng_structp, Fpng_const_charp
#endif
);
typedef void (*Fpng_rw_ptr)(
#ifdef __STDC__
Fpng_structp, Fpng_bytep, Fpng_size_t
#endif
);
typedef void (*Fpng_flush_ptr) (
#ifdef __STDC__
Fpng_structp
#endif
);
typedef void (*Fpng_read_status_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_uint_32, int
#endif
);
typedef void (*Fpng_write_status_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_uint_32, int
#endif
);
typedef void (*Fpng_progressive_info_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_infop
#endif
);
typedef void (*Fpng_progressive_end_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_infop
#endif
);
typedef void (*Fpng_progressive_row_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_bytep,Fpng_uint_32, int
#endif
);
typedef void (*Fpng_user_transform_ptr)(
#ifdef __STDC__
Fpng_structp, Fpng_row_infop, Fpng_bytep
#endif
);
typedef Fpng_voidp (*Fpng_malloc_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_size_t
#endif
);
typedef void (*Fpng_free_ptr) (
#ifdef __STDC__
Fpng_structp, Fpng_voidp
#endif
);
struct png_struct_def
{
jmp_buf jmpbuf;
Fpng_error_ptr error_fn;
Fpng_error_ptr warning_fn;
Fpng_voidp error_ptr;
Fpng_rw_ptr write_data_fn;
Fpng_rw_ptr read_data_fn;
Fpng_voidp io_ptr;
Fpng_user_transform_ptr read_user_transform_fn;
Fpng_user_transform_ptr write_user_transform_fn;
Fpng_voidp user_transform_ptr;
Fpng_byte user_transform_depth;
Fpng_byte user_transform_channels;
Fpng_uint_32 mode;
Fpng_uint_32 flags;
Fpng_uint_32 transformations;
Fz_stream zstream;
Fpng_bytep zbuf;
Fpng_size_t zbuf_size;
int zlib_level;
int zlib_method;
int zlib_window_bits;
int zlib_mem_level;
int zlib_strategy;
Fpng_uint_32 width;
Fpng_uint_32 height;
Fpng_uint_32 num_rows;
Fpng_uint_32 usr_width;
Fpng_uint_32 rowbytes;
Fpng_uint_32 irowbytes;
Fpng_uint_32 iwidth;
Fpng_uint_32 row_number;
Fpng_bytep prev_row;
Fpng_bytep row_buf;
Fpng_bytep sub_row;
Fpng_bytep up_row;
Fpng_bytep avg_row;
Fpng_bytep paeth_row;
Fpng_row_info row_info;
Fpng_uint_32 idat_size;
Fpng_uint_32 crc;
Fpng_colorp palette;
Fpng_uint_16 num_palette;
Fpng_uint_16 num_trans;
Fpng_byte chunk_name[5];
Fpng_byte compression;
Fpng_byte filter;
Fpng_byte interlaced;
Fpng_byte pass;
Fpng_byte do_filter;
Fpng_byte color_type;
Fpng_byte bit_depth;
Fpng_byte usr_bit_depth;
Fpng_byte pixel_depth;
Fpng_byte channels;
Fpng_byte usr_channels;
Fpng_byte sig_bytes;
Fpng_uint_16 filler;
Fpng_byte background_gamma_type;
float background_gamma;
Fpng_color_16 background;
Fpng_color_16 background_1;
Fpng_flush_ptr output_flush_fn;
Fpng_uint_32 flush_dist;
Fpng_uint_32 flush_rows;
int gamma_shift;
float gamma;
float screen_gamma;
Fpng_bytep gamma_table;
Fpng_bytep gamma_from_1;
Fpng_bytep gamma_to_1;
Fpng_uint_16pp gamma_16_table;
Fpng_uint_16pp gamma_16_from_1;
Fpng_uint_16pp gamma_16_to_1;
Fpng_color_8 sig_bit;
Fpng_color_8 shift;
Fpng_bytep trans;
Fpng_color_16 trans_values;
Fpng_read_status_ptr read_row_fn;
Fpng_write_status_ptr write_row_fn;
Fpng_progressive_info_ptr info_fn;
Fpng_progressive_row_ptr row_fn;
Fpng_progressive_end_ptr end_fn;
Fpng_bytep save_buffer_ptr;
Fpng_bytep save_buffer;
Fpng_bytep current_buffer_ptr;
Fpng_bytep current_buffer;
Fpng_uint_32 push_length;
Fpng_uint_32 skip_length;
Fpng_size_t save_buffer_size;
Fpng_size_t save_buffer_max;
Fpng_size_t buffer_size;
Fpng_size_t current_buffer_size;
int process_mode;
int cur_palette;
Fpng_size_t current_text_size;
Fpng_size_t current_text_left;
Fpng_charp current_text;
Fpng_charp current_text_ptr;
Fpng_bytepp offset_table_ptr;
Fpng_bytep offset_table;
Fpng_uint_16 offset_table_number;
Fpng_uint_16 offset_table_count;
Fpng_uint_16 offset_table_count_free;
Fpng_bytep palette_lookup;
Fpng_bytep dither_index;
Fpng_uint_16p hist;
Fpng_byte heuristic_method;
Fpng_byte num_prev_filters;
Fpng_bytep prev_filters;
Fpng_uint_16p filter_weights;
Fpng_uint_16p inv_filter_weights;
Fpng_uint_16p filter_costs;
Fpng_uint_16p inv_filter_costs;
Fpng_charp time_buffer;
Fpng_voidp mem_ptr;
Fpng_malloc_ptr malloc_fn;
Fpng_free_ptr free_fn;
Fpng_byte rgb_to_gray_status;
Fpng_byte rgb_to_gray_red_coeff;
Fpng_byte rgb_to_gray_green_coeff;
Fpng_byte rgb_to_gray_blue_coeff;
Fpng_byte empty_plte_permitted;
};
typedef Fpng_struct **Fpng_structpp;
#endif
/* ---------------------------- global definitions ------------------------- */
#define FPNG_BYTES_TO_CHECK 4
#if PngSupport
#define FPNG_LIBPNG_VER_STRING PNG_LIBPNG_VER_STRING
#define FPNG_COLOR_TYPE_PALETTE PNG_COLOR_TYPE_PALETTE
#define FPNG_COLOR_TYPE_RGB_ALPHA PNG_COLOR_TYPE_RGB_ALPHA
#define FPNG_COLOR_TYPE_GRAY_ALPHA PNG_COLOR_TYPE_GRAY_ALPHA
#define FPNG_COLOR_TYPE_GRAY PNG_COLOR_TYPE_GRAY
#define FPNG_FILLER_BEFORE PNG_FILLER_BEFORE
#define FPNG_FILLER_AFTER PNG_FILLER_AFTER
#define FPNG_INFO_tRNS PNG_INFO_tRNS
#define Fpng_check_sig(a,b) png_check_sig(a,b)
#define Fpng_create_read_struct(a,b,c,d) png_create_read_struct(a,b,c,d)
#define Fpng_create_info_struct(a) png_create_info_struct(a)
#define Fpng_destroy_read_struct(a,b,c) png_destroy_read_struct(a,b,c)
#define Fpng_init_io(a,b) png_init_io(a,b)
#define Fpng_read_info(a,b) png_read_info(a,b)
#define Fpng_get_IHDR(a,b,c,d,e,f,g,h,i) png_get_IHDR(a,b,c,d,e,f,g,h,i)
#define Fpng_set_expand(a) png_set_expand(a)
#define Fpng_set_swap_alpha(a) png_set_swap_alpha(a)
#define Fpng_set_filler(a,b,c) png_set_filler(a,b,c)
#define Fpng_set_bgr(a) png_set_bgr(a)
#define Fpng_set_strip_16(a) png_set_strip_16(a)
#define Fpng_set_packing(a) png_set_packing(a)
#define Fpng_set_gray_to_rgb(a) png_set_gray_to_rgb(a)
#define Fpng_get_bit_depth(a,b) png_get_bit_depth(a,b)
#define Fpng_set_gray_1_2_4_to_8(a) png_set_gray_1_2_4_to_8(a)
#define Fpng_get_valid(a,b,c) png_get_valid(a,b,c)
#define Fpng_read_end(a,b) png_read_end(a,b)
#define Fpng_set_interlace_handling(a) png_set_interlace_handling(a)
#define Fpng_read_rows(a,b,c,d) png_read_rows(a,b,c,d)
#define Fpng_read_image(a,b) png_read_image(a,b)
#else
#define FPNG_LIBPNG_VER_STRING ""
#define FPNG_COLOR_TYPE_PALETTE 0
#define FPNG_COLOR_TYPE_RGB_ALPHA 1
#define FPNG_COLOR_TYPE_GRAY_ALPHA 2
#define FPNG_COLOR_TYPE_GRAY 3
#define FPNG_FILLER_BEFORE 6
#define FPNG_FILLER_AFTER 5
#define FPNG_INFO_tRNS 7
#define Fpng_check_sig(a,b) 0
#define Fpng_create_read_struct(a,b,c,d) NULL
#define Fpng_create_info_struct(a) NULL
#define Fpng_destroy_read_struct(a,b,c)
#define Fpng_init_io(a,b)
#define Fpng_read_info(a,b)
#define Fpng_get_IHDR(a,b,c,d,e,f,g,h,i)
#define Fpng_set_expand(a)
#define Fpng_set_swap_alpha(a)
#define Fpng_set_filler(a,b,c)
#define Fpng_set_bgr(a)
#define Fpng_set_strip_16(a)
#define Fpng_set_packing(a)
#define Fpng_set_gray_to_rgb(a)
#define Fpng_get_bit_depth(a,b) 0
#define Fpng_set_gray_1_2_4_to_8(a)
#define Fpng_get_valid(a,b,c) 0
#define Fpng_read_end(a,b)
#define Fpng_set_interlace_handling(a) 0
#define Fpng_read_rows(a,b,c,d)
#define Fpng_read_image(a,b)
#endif
#endif /* FPNG_H */
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