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# pngwtran.c File Reference

`#include "png.h"`

Include dependency graph for pngwtran.c:

## Defines
#define | PNG_INTERNAL
## Functions
void | png_do_write_transformations (png_structp png_ptr)
void | png_do_pack (png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
void | png_do_shift (png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
void | png_do_write_swap_alpha (png_row_infop row_info, png_bytep row)
void | png_do_write_invert_alpha (png_row_infop row_info, png_bytep row)
void | png_do_write_intrapixel (png_row_infop row_info, png_bytep row)

## Define Documentation

#define PNG_INTERNAL

## Function Documentation

void png_do_pack | ( | png_row_infop | row_info,
|  | png_bytep | row,
|  | png_uint_32 | bit_depth
| ) |

void png_do_shift | ( | png_row_infop | row_info,
|  | png_bytep | row,
|  | png_color_8p | bit_depth
| ) |

void png_do_write_intrapixel | ( | png_row_infop | row_info,
|  | png_bytep | row
| ) |

void png_do_write_invert_alpha | ( | png_row_infop | row_info,
|  | png_bytep | row
| ) |

void png_do_write_swap_alpha | ( | png_row_infop | row_info,
|  | png_bytep | row
| ) |

void png_do_write_transformations | ( | png_structp | png_ptr | ) |