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pngget.c File Reference
`#include "pngpriv.h"`

Go to the source code of this file.

## Functions
png_uint_32 PNGAPI | png_get_valid (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 flag)
png_size_t PNGAPI | png_get_rowbytes (png_const_structp png_ptr, png_const_infop info_ptr)
png_bytepp PNGAPI | png_get_rows (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_image_width (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_image_height (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI | png_get_bit_depth (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI | png_get_color_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI | png_get_filter_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI | png_get_interlace_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI | png_get_compression_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_x_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_y_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
float PNGAPI | png_get_pixel_aspect_ratio (png_const_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI | png_get_pixel_aspect_ratio_fixed (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI | png_get_x_offset_microns (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI | png_get_y_offset_microns (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI | png_get_x_offset_pixels (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI | png_get_y_offset_pixels (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_x_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_y_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI | png_get_x_offset_inches_fixed (png_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI | png_get_y_offset_inches_fixed (png_structp png_ptr, png_const_infop info_ptr)
float PNGAPI | png_get_x_offset_inches (png_const_structp png_ptr, png_const_infop info_ptr)
float PNGAPI | png_get_y_offset_inches (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI | png_get_pHYs_dpi (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
png_byte PNGAPI | png_get_channels (png_const_structp png_ptr, png_const_infop info_ptr)
png_const_bytep PNGAPI | png_get_signature (png_const_structp png_ptr, png_infop info_ptr)
png_uint_32 PNGAPI | png_get_bKGD (png_const_structp png_ptr, png_infop info_ptr, png_color_16p *background)
png_uint_32 PNGAPI | png_get_cHRM (png_const_structp png_ptr, png_const_infop info_ptr, double *white_x, double *white_y, double *red_x, double *red_y, double *green_x, double *green_y, double *blue_x, double *blue_y)
png_uint_32 PNGAPI | png_get_cHRM_fixed (png_const_structp png_ptr, png_const_infop info_ptr, png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x, png_fixed_point *red_y, png_fixed_point *green_x, png_fixed_point *green_y, png_fixed_point *blue_x, png_fixed_point *blue_y)
png_uint_32 PNGFAPI | png_get_gAMA_fixed (png_const_structp png_ptr, png_const_infop info_ptr, png_fixed_point *file_gamma)
png_uint_32 PNGAPI | png_get_gAMA (png_const_structp png_ptr, png_const_infop info_ptr, double *file_gamma)
png_uint_32 PNGAPI | png_get_sRGB (png_const_structp png_ptr, png_const_infop info_ptr, int *file_srgb_intent)
png_uint_32 PNGAPI | png_get_iCCP (png_const_structp png_ptr, png_const_infop info_ptr, png_charpp name, int *compression_type, png_bytepp profile, png_uint_32 *proflen)
png_uint_32 PNGAPI | png_get_sPLT (png_const_structp png_ptr, png_const_infop info_ptr, png_sPLT_tpp spalettes)
png_uint_32 PNGAPI | png_get_hIST (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_16p *hist)
png_uint_32 PNGAPI | png_get_IHDR (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_type, int *compression_type, int *filter_type)
png_uint_32 PNGAPI | png_get_oFFs (png_const_structp png_ptr, png_const_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)
png_uint_32 PNGAPI | png_get_pCAL (png_const_structp png_ptr, png_const_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, png_charp *units, png_charpp *params)
png_uint_32 PNGAPI | png_get_sCAL_fixed (png_structp png_ptr, png_const_infop info_ptr, int *unit, png_fixed_point *width, png_fixed_point *height)
png_uint_32 PNGAPI | png_get_sCAL (png_const_structp png_ptr, png_const_infop info_ptr, int *unit, double *width, double *height)
png_uint_32 PNGAPI | png_get_sCAL_s (png_const_structp png_ptr, png_const_infop info_ptr, int *unit, png_charpp width, png_charpp height)
png_uint_32 PNGAPI | png_get_pHYs (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
png_uint_32 PNGAPI | png_get_PLTE (png_const_structp png_ptr, png_const_infop info_ptr, png_colorp *palette, int *num_palette)
png_uint_32 PNGAPI | png_get_sBIT (png_const_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)
png_uint_32 PNGAPI | png_get_text (png_const_structp png_ptr, png_const_infop info_ptr, png_textp *text_ptr, int *num_text)
png_uint_32 PNGAPI | png_get_tIME (png_const_structp png_ptr, png_infop info_ptr, png_timep *mod_time)
png_uint_32 PNGAPI | png_get_tRNS (png_const_structp png_ptr, png_infop info_ptr, png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color)
int PNGAPI | png_get_unknown_chunks (png_const_structp png_ptr, png_const_infop info_ptr, png_unknown_chunkpp unknowns)
png_byte PNGAPI | png_get_rgb_to_gray_status (png_const_structp png_ptr)
png_voidp PNGAPI | png_get_user_chunk_ptr (png_const_structp png_ptr)
png_size_t PNGAPI | png_get_compression_buffer_size (png_const_structp png_ptr)
png_uint_32 PNGAPI | png_get_user_width_max (png_const_structp png_ptr)
png_uint_32 PNGAPI | png_get_user_height_max (png_const_structp png_ptr)
png_uint_32 PNGAPI | png_get_chunk_cache_max (png_const_structp png_ptr)
png_alloc_size_t PNGAPI | png_get_chunk_malloc_max (png_const_structp png_ptr)
png_uint_32 PNGAPI | png_get_io_state (png_structp png_ptr)
png_uint_32 PNGAPI | png_get_io_chunk_type (png_const_structp png_ptr)
png_const_bytep PNGAPI | png_get_io_chunk_name (png_structp png_ptr)

## Function Documentation

png_byte PNGAPI png_get_bit_depth | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 70 of file pngget.c.

png_uint_32 PNGAPI png_get_bKGD | ( | png_const_structp | png_ptr,
|  | png_infop | info_ptr,
|  | png_color_16p * | background
| ) |  |

Definition at line 445 of file pngget.c.

png_byte PNGAPI png_get_channels | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 426 of file pngget.c.

png_uint_32 PNGAPI png_get_cHRM | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | double * | white_x,
|  | double * | white_y,
|  | double * | red_x,
|  | double * | red_y,
|  | double * | green_x,
|  | double * | green_y,
|  | double * | blue_x,
|  | double * | blue_y
| ) |  |

Definition at line 464 of file pngget.c.

png_uint_32 PNGAPI png_get_cHRM_fixed | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_fixed_point * | white_x,
|  | png_fixed_point * | white_y,
|  | png_fixed_point * | red_x,
|  | png_fixed_point * | red_y,
|  | png_fixed_point * | green_x,
|  | png_fixed_point * | green_y,
|  | png_fixed_point * | blue_x,
|  | png_fixed_point * | blue_y
| ) |  |

Definition at line 497 of file pngget.c.

png_uint_32 PNGAPI png_get_chunk_cache_max | ( | png_const_structp | png_ptr | ) |

Definition at line 995 of file pngget.c.

png_alloc_size_t PNGAPI png_get_chunk_malloc_max | ( | png_const_structp | png_ptr | ) |

Definition at line 1002 of file pngget.c.

png_byte PNGAPI png_get_color_type | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 79 of file pngget.c.

png_size_t PNGAPI png_get_compression_buffer_size | ( | png_const_structp | png_ptr | ) |

Definition at line 972 of file pngget.c.

png_byte PNGAPI png_get_compression_type | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 106 of file pngget.c.

png_byte PNGAPI png_get_filter_type | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 88 of file pngget.c.

png_uint_32 PNGAPI png_get_gAMA | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | double * | file_gamma
| ) |  |

Definition at line 548 of file pngget.c.

png_uint_32 PNGFAPI png_get_gAMA_fixed | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_fixed_point * | file_gamma
| ) |  |

Definition at line 532 of file pngget.c.

png_uint_32 PNGAPI png_get_hIST | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_uint_16p * | hist
| ) |  |

Definition at line 623 of file pngget.c.

png_uint_32 PNGAPI png_get_iCCP | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_charpp | name,
|  | int * | compression_type,
|  | png_bytepp | profile,
|  | png_uint_32 * | proflen
| ) |  |

Definition at line 583 of file pngget.c.

png_uint_32 PNGAPI png_get_IHDR | ( | png_structp | png_ptr,
|  | png_infop | info_ptr,
|  | png_uint_32 * | width,
|  | png_uint_32 * | height,
|  | int * | bit_depth,
|  | int * | color_type,
|  | int * | interlace_type,
|  | int * | compression_type,
|  | int * | filter_type
| ) |  |

Definition at line 640 of file pngget.c.

png_uint_32 PNGAPI png_get_image_height | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 61 of file pngget.c.

png_uint_32 PNGAPI png_get_image_width | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 52 of file pngget.c.

png_byte PNGAPI png_get_interlace_type | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 97 of file pngget.c.

png_const_bytep PNGAPI png_get_io_chunk_name | ( | png_structp | png_ptr | ) |

Definition at line 1026 of file pngget.c.

png_uint_32 PNGAPI png_get_io_chunk_type | ( | png_const_structp | png_ptr | ) |

Definition at line 1017 of file pngget.c.

png_uint_32 PNGAPI png_get_io_state | ( | png_structp | png_ptr | ) |

Definition at line 1011 of file pngget.c.

png_uint_32 PNGAPI png_get_oFFs | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_int_32 * | offset_x,
|  | png_int_32 * | offset_y,
|  | int * | unit_type
| ) |  |

Definition at line 680 of file pngget.c.

png_uint_32 PNGAPI png_get_pCAL | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_charp * | purpose,
|  | png_int_32 * | X0,
|  | png_int_32 * | X1,
|  | int * | type,
|  | int * | nparams,
|  | png_charp * | units,
|  | png_charpp * | params
| ) |  |

Definition at line 700 of file pngget.c.

png_uint_32 PNGAPI png_get_pHYs | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_uint_32 * | res_x,
|  | png_uint_32 * | res_y,
|  | int * | unit_type
| ) |  |

Definition at line 782 of file pngget.c.

png_uint_32 PNGAPI png_get_pHYs_dpi | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_uint_32 * | res_x,
|  | png_uint_32 * | res_y,
|  | int * | unit_type
| ) |  |

Definition at line 382 of file pngget.c.

float PNGAPI png_get_pixel_aspect_ratio | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 167 of file pngget.c.

png_fixed_point PNGAPI png_get_pixel_aspect_ratio_fixed | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 186 of file pngget.c.

png_uint_32 PNGAPI png_get_pixels_per_inch | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 310 of file pngget.c.

png_uint_32 PNGAPI png_get_pixels_per_meter | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 149 of file pngget.c.

png_uint_32 PNGAPI png_get_PLTE | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_colorp * | palette,
|  | int * | num_palette
| ) |  |

Definition at line 816 of file pngget.c.

png_byte PNGAPI png_get_rgb_to_gray_status | ( | png_const_structp | png_ptr | ) |

Definition at line 957 of file pngget.c.

png_size_t PNGAPI png_get_rowbytes | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 30 of file pngget.c.

png_bytepp PNGAPI png_get_rows | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 40 of file pngget.c.

png_uint_32 PNGAPI png_get_sBIT | ( | png_const_structp | png_ptr,
|  | png_infop | info_ptr,
|  | png_color_8p * | sig_bit
| ) |  |

Definition at line 835 of file pngget.c.

png_uint_32 PNGAPI png_get_sCAL | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | int * | unit,
|  | double * | width,
|  | double * | height
| ) |  |

Definition at line 748 of file pngget.c.

png_uint_32 PNGAPI png_get_sCAL_fixed | ( | png_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | int * | unit,
|  | png_fixed_point * | width,
|  | png_fixed_point * | height
| ) |  |

Definition at line 728 of file pngget.c.

png_uint_32 PNGAPI png_get_sCAL_s | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | int * | unit,
|  | png_charpp | width,
|  | png_charpp | height
| ) |  |

Definition at line 764 of file pngget.c.

png_const_bytep PNGAPI png_get_signature | ( | png_const_structp | png_ptr,
|  | png_infop | info_ptr
| ) |  |

Definition at line 435 of file pngget.c.

png_uint_32 PNGAPI png_get_sPLT | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_sPLT_tpp | spalettes
| ) |  |

Definition at line 608 of file pngget.c.

png_uint_32 PNGAPI png_get_sRGB | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | int * | file_srgb_intent
| ) |  |

Definition at line 565 of file pngget.c.

png_uint_32 PNGAPI png_get_text | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_textp * | text_ptr,
|  | int * | num_text
| ) |  |

Definition at line 853 of file pngget.c.

png_uint_32 PNGAPI png_get_tIME | ( | png_const_structp | png_ptr,
|  | png_infop | info_ptr,
|  | png_timep * | mod_time
| ) |  |

Definition at line 880 of file pngget.c.

png_uint_32 PNGAPI png_get_tRNS | ( | png_const_structp | png_ptr,
|  | png_infop | info_ptr,
|  | png_bytep * | trans_alpha,
|  | int * | num_trans,
|  | png_color_16p * | trans_color
| ) |  |

Definition at line 897 of file pngget.c.

int PNGAPI png_get_unknown_chunks | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_unknown_chunkpp | unknowns
| ) |  |

Definition at line 942 of file pngget.c.

png_voidp PNGAPI png_get_user_chunk_ptr | ( | png_const_structp | png_ptr | ) |

Definition at line 965 of file pngget.c.

png_uint_32 PNGAPI png_get_user_height_max | ( | png_const_structp | png_ptr | ) |

Definition at line 988 of file pngget.c.

png_uint_32 PNGAPI png_get_user_width_max | ( | png_const_structp | png_ptr | ) |

Definition at line 982 of file pngget.c.

png_uint_32 PNGAPI png_get_valid | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr,
|  | png_uint_32 | flag
| ) |  |

Definition at line 20 of file pngget.c.

float PNGAPI png_get_x_offset_inches | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 360 of file pngget.c.

png_fixed_point PNGAPI png_get_x_offset_inches_fixed | ( | png_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 340 of file pngget.c.

png_int_32 PNGAPI png_get_x_offset_microns | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 213 of file pngget.c.

png_int_32 PNGAPI png_get_x_offset_pixels | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 245 of file pngget.c.

png_uint_32 PNGAPI png_get_x_pixels_per_inch | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 316 of file pngget.c.

png_uint_32 PNGAPI png_get_x_pixels_per_meter | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 115 of file pngget.c.

float PNGAPI png_get_y_offset_inches | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 371 of file pngget.c.

png_fixed_point PNGAPI png_get_y_offset_inches_fixed | ( | png_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 350 of file pngget.c.

png_int_32 PNGAPI png_get_y_offset_microns | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 229 of file pngget.c.

png_int_32 PNGAPI png_get_y_offset_pixels | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 261 of file pngget.c.

png_uint_32 PNGAPI png_get_y_pixels_per_inch | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 322 of file pngget.c.

png_uint_32 PNGAPI png_get_y_pixels_per_meter | ( | png_const_structp | png_ptr,
|  | png_const_infop | info_ptr
| ) |  |

Definition at line 132 of file pngget.c.