fltk 1.3.0rc3
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Classes | Defines | Typedefs | Functions

pngrtran.c File Reference

#include "png.h"
Include dependency graph for pngrtran.c:

Go to the source code of this file.

Classes

struct  png_dsort_struct

Defines

#define PNG_INTERNAL

Typedefs

typedef struct png_dsort_struct png_dsort
typedef png_dsort FAR * png_dsortp
typedef png_dsort FAR *FAR png_dsortpp

Functions

void PNGAPI png_set_crc_action (png_structp png_ptr, int crit_action, int ancil_action)
void PNGAPI png_set_background (png_structp png_ptr, png_color_16p background_color, int background_gamma_code, int need_expand, double background_gamma)
void PNGAPI png_set_strip_16 (png_structp png_ptr)
void PNGAPI png_set_strip_alpha (png_structp png_ptr)
void PNGAPI png_set_dither (png_structp png_ptr, png_colorp palette, int num_palette, int maximum_colors, png_uint_16p histogram, int full_dither)
void PNGAPI png_set_gamma (png_structp png_ptr, double scrn_gamma, double file_gamma)
void PNGAPI png_set_expand (png_structp png_ptr)
void PNGAPI png_set_palette_to_rgb (png_structp png_ptr)
void PNGAPI png_set_expand_gray_1_2_4_to_8 (png_structp png_ptr)
void PNGAPI png_set_gray_1_2_4_to_8 (png_structp png_ptr)
void PNGAPI png_set_tRNS_to_alpha (png_structp png_ptr)
void PNGAPI png_set_gray_to_rgb (png_structp png_ptr)
void PNGAPI png_set_rgb_to_gray (png_structp png_ptr, int error_action, double red, double green)
void PNGAPI png_set_rgb_to_gray_fixed (png_structp png_ptr, int error_action, png_fixed_point red, png_fixed_point green)
void PNGAPI png_set_read_user_transform_fn (png_structp png_ptr, png_user_transform_ptr read_user_transform_fn)
void png_init_read_transformations (png_structp png_ptr)
void png_read_transform_info (png_structp png_ptr, png_infop info_ptr)
void png_do_read_transformations (png_structp png_ptr)
void png_do_unpack (png_row_infop row_info, png_bytep row)
void png_do_unshift (png_row_infop row_info, png_bytep row, png_color_8p sig_bits)
void png_do_chop (png_row_infop row_info, png_bytep row)
void png_do_read_swap_alpha (png_row_infop row_info, png_bytep row)
void png_do_read_invert_alpha (png_row_infop row_info, png_bytep row)
void png_do_read_filler (png_row_infop row_info, png_bytep row, png_uint_32 filler, png_uint_32 flags)
void png_do_gray_to_rgb (png_row_infop row_info, png_bytep row)
int png_do_rgb_to_gray (png_structp png_ptr, png_row_infop row_info, png_bytep row)
void PNGAPI png_build_grayscale_palette (int bit_depth, png_colorp palette)
void png_do_background (png_row_infop row_info, png_bytep row, png_color_16p trans_values, png_color_16p background, png_color_16p background_1, png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, png_uint_16pp gamma_16_to_1, int gamma_shift)
void png_do_gamma (png_row_infop row_info, png_bytep row, png_bytep gamma_table, png_uint_16pp gamma_16_table, int gamma_shift)
void png_do_expand_palette (png_row_infop row_info, png_bytep row, png_colorp palette, png_bytep trans, int num_trans)
void png_do_expand (png_row_infop row_info, png_bytep row, png_color_16p trans_value)
void png_do_dither (png_row_infop row_info, png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup)
void png_build_gamma_table (png_structp png_ptr)
void png_do_read_intrapixel (png_row_infop row_info, png_bytep row)

Define Documentation

#define PNG_INTERNAL

Definition at line 19 of file pngrtran.c.

Typedef Documentation

typedef struct png_dsort_struct png_dsort
typedef png_dsort FAR* png_dsortp

Definition at line 153 of file pngrtran.c.

typedef png_dsort FAR* FAR png_dsortpp

Definition at line 154 of file pngrtran.c.

Function Documentation

void png_build_gamma_table ( png_structp  png_ptr)

Definition at line 4094 of file pngrtran.c.

References i, int, num, PNG_COLOR_MASK_COLOR, png_debug, png_malloc(), png_memset, png_sizeof, and sig_bit.

Referenced by png_init_read_transformations().

void PNGAPI png_build_grayscale_palette ( int  bit_depth,
png_colorp  palette 
)

Definition at line 2517 of file pngrtran.c.

References i, NULL, num_palette, and png_debug.

void png_do_background ( png_row_infop  row_info,
png_bytep  row,
png_color_16p  trans_values,
png_color_16p  background,
png_color_16p  background_1,
png_bytep  gamma_table,
png_bytep  gamma_from_1,
png_bytep  gamma_to_1,
png_uint_16pp  gamma_16,
png_uint_16pp  gamma_16_from_1,
png_uint_16pp  gamma_16_to_1,
int  gamma_shift 
)

Definition at line 2752 of file pngrtran.c.

References b, background, i, NULL, PNG_COLOR_MASK_ALPHA, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_composite, png_composite_16, png_debug, png_memcpy, row, w, and x.

Referenced by png_do_read_transformations().

void png_do_chop ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 1751 of file pngrtran.c.

References i, int, NULL, png_debug, and row.

Referenced by png_do_read_transformations().

void png_do_dither ( png_row_infop  row_info,
png_bytep  row,
png_bytep  palette_lookup,
png_bytep  dither_lookup 
)

Definition at line 3994 of file pngrtran.c.

References b, i, NULL, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_debug, and row.

Referenced by png_do_read_transformations().

void png_do_expand ( png_row_infop  row_info,
png_bytep  row,
png_color_16p  trans_value 
)

Definition at line 3782 of file pngrtran.c.

References green, i, int, NULL, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_debug, red, and value.

Referenced by png_do_read_transformations().

void png_do_expand_palette ( png_row_infop  row_info,
png_bytep  row,
png_colorp  palette,
png_bytep  trans,
int  num_trans 
)

Definition at line 3636 of file pngrtran.c.

References i, int, NULL, num_trans, PNG_COLOR_TYPE_PALETTE, png_debug, and value.

Referenced by png_do_read_transformations().

void png_do_gamma ( png_row_infop  row_info,
png_bytep  row,
png_bytep  gamma_table,
png_uint_16pp  gamma_16_table,
int  gamma_shift 
)

Definition at line 3448 of file pngrtran.c.

References b, i, int, NULL, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_debug, and row.

Referenced by png_do_read_transformations().

void png_do_gray_to_rgb ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 2175 of file pngrtran.c.

References i, NULL, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_GRAY_ALPHA, and png_debug.

Referenced by png_do_read_transformations().

void png_do_read_filler ( png_row_infop  row_info,
png_bytep  row,
png_uint_32  filler,
png_uint_32  flags 
)

Definition at line 1999 of file pngrtran.c.

References i, NULL, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_RGB, and png_debug.

Referenced by png_do_read_transformations().

void png_do_read_intrapixel ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 4320 of file pngrtran.c.

References i, NULL, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_debug, red, s1, and s2.

void png_do_read_invert_alpha ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 1900 of file pngrtran.c.

References i, NULL, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_RGB_ALPHA, and png_debug.

Referenced by png_do_read_transformations().

void png_do_read_swap_alpha ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 1808 of file pngrtran.c.

References i, NULL, PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_RGB_ALPHA, and png_debug.

Referenced by png_do_read_transformations().

void png_do_read_transformations ( png_structp  png_ptr)

Definition at line 1301 of file pngrtran.c.

References NULL, PNG_COLOR_MASK_ALPHA, PNG_COLOR_TYPE_PALETTE, png_debug, png_do_background(), png_do_bgr(), png_do_chop(), png_do_dither(), png_do_expand(), png_do_expand_palette(), png_do_gamma(), png_do_gray_to_rgb(), png_do_invert(), png_do_packswap(), png_do_read_filler(), png_do_read_invert_alpha(), png_do_read_swap_alpha(), png_do_rgb_to_gray(), png_do_strip_filler(), png_do_swap(), png_do_unpack(), png_do_unshift(), png_error(), PNG_READ_BACKGROUND_SUPPORTED, PNG_READ_GAMMA_SUPPORTED, png_snprintf2, and png_warning().

Referenced by png_push_process_row().

int png_do_rgb_to_gray ( png_structp  png_ptr,
png_row_infop  row_info,
png_bytep  row 
)

Definition at line 2278 of file pngrtran.c.

References gc, green, i, NULL, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, png_debug, red, row, and w.

Referenced by png_do_read_transformations().

void png_do_unpack ( png_row_infop  row_info,
png_bytep  row 
)

Definition at line 1550 of file pngrtran.c.

References i, int, NULL, and png_debug.

Referenced by png_do_read_transformations().

void png_do_unshift ( png_row_infop  row_info,
png_bytep  row,
png_color_8p  sig_bits 
)

Definition at line 1642 of file pngrtran.c.

References i, mask, NULL, PNG_COLOR_MASK_ALPHA, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_debug, row, and value.

Referenced by png_do_read_transformations().

void png_init_read_transformations ( png_structp  png_ptr)

Definition at line 745 of file pngrtran.c.

References png_color_struct::blue, color_type, green, png_color_struct::green, i, int, m, NULL, num_palette, palette, PNG_BACKGROUND_GAMMA_FILE, PNG_BACKGROUND_GAMMA_SCREEN, PNG_BACKGROUND_GAMMA_UNIQUE, png_build_gamma_table(), PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_composite, png_debug, red, png_color_struct::red, and w.

Referenced by png_read_start_row().

void png_read_transform_info ( png_structp  png_ptr,
png_infop  info_ptr 
)

Definition at line 1161 of file pngrtran.c.

References PNG_COLOR_MASK_ALPHA, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_GRAY, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, PNG_COLOR_TYPE_RGB_ALPHA, and png_debug.

Referenced by png_read_update_info().

void PNGAPI png_set_background ( png_structp  png_ptr,
png_color_16p  background_color,
int  background_gamma_code,
int  need_expand,
double  background_gamma 
)

Definition at line 92 of file pngrtran.c.

References NULL, PNG_BACKGROUND_GAMMA_UNKNOWN, png_debug, png_memcpy, png_sizeof, and png_warning().

void PNGAPI png_set_crc_action ( png_structp  png_ptr,
int  crit_action,
int  ancil_action 
)

Definition at line 25 of file pngrtran.c.

References NULL, PNG_CRC_DEFAULT, PNG_CRC_ERROR_QUIT, PNG_CRC_NO_CHANGE, PNG_CRC_QUIET_USE, PNG_CRC_WARN_DISCARD, PNG_CRC_WARN_USE, png_debug, and png_warning().

void PNGAPI png_set_dither ( png_structp  png_ptr,
png_colorp  palette,
int  num_palette,
int  maximum_colors,
png_uint_16p  histogram,
int  full_dither 
)

Definition at line 157 of file pngrtran.c.

References b, i, int, maximum_colors, NULL, num_palette, palette, png_debug, png_free(), png_malloc(), png_malloc_warn(), png_memset, and png_sizeof.

void PNGAPI png_set_expand ( png_structp  png_ptr)

Definition at line 564 of file pngrtran.c.

References NULL, and png_debug.

Referenced by Fl_PNG_Image::Fl_PNG_Image(), and png_read_png().

void PNGAPI png_set_expand_gray_1_2_4_to_8 ( png_structp  png_ptr)

Definition at line 604 of file pngrtran.c.

References NULL, and png_debug.

void PNGAPI png_set_gamma ( png_structp  png_ptr,
double  scrn_gamma,
double  file_gamma 
)

Definition at line 544 of file pngrtran.c.

References NULL, PNG_COLOR_MASK_ALPHA, PNG_COLOR_TYPE_PALETTE, and png_debug.

void PNGAPI png_set_gray_1_2_4_to_8 ( png_structp  png_ptr)

Definition at line 618 of file pngrtran.c.

References NULL, and png_debug.

void PNGAPI png_set_gray_to_rgb ( png_structp  png_ptr)

Definition at line 640 of file pngrtran.c.

References png_debug.

void PNGAPI png_set_palette_to_rgb ( png_structp  png_ptr)

Definition at line 592 of file pngrtran.c.

References NULL, and png_debug.

void PNGAPI png_set_read_user_transform_fn ( png_structp  png_ptr,
png_user_transform_ptr  read_user_transform_fn 
)

Definition at line 723 of file pngrtran.c.

References NULL, png_debug, png_warning(), and read_user_transform_fn.

void PNGAPI png_set_rgb_to_gray ( png_structp  png_ptr,
int  error_action,
double  red,
double  green 
)

Definition at line 655 of file pngrtran.c.

References int, NULL, and png_set_rgb_to_gray_fixed().

void PNGAPI png_set_rgb_to_gray_fixed ( png_structp  png_ptr,
int  error_action,
png_fixed_point  red,
png_fixed_point  green 
)

Definition at line 667 of file pngrtran.c.

References NULL, PNG_COLOR_TYPE_PALETTE, png_debug, and png_warning().

Referenced by png_set_rgb_to_gray().

void PNGAPI png_set_strip_16 ( png_structp  png_ptr)

Definition at line 117 of file pngrtran.c.

References NULL, and png_debug.

Referenced by Fl_PNG_Image::Fl_PNG_Image(), and png_read_png().

void PNGAPI png_set_strip_alpha ( png_structp  png_ptr)

Definition at line 128 of file pngrtran.c.

References NULL, and png_debug.

Referenced by png_read_png().

void PNGAPI png_set_tRNS_to_alpha ( png_structp  png_ptr)

Definition at line 630 of file pngrtran.c.

References png_debug.

Referenced by Fl_PNG_Image::Fl_PNG_Image().