Searched refs:zlib_state (Results 1 - 3 of 3) sorted by relevance

/external/opencv3/3rdparty/libpng/
H A Dpngstruct.h80 png_uint_32 zlib_state; /* State of zlib initialization */ member in struct:png_struct_def
H A Dpngwutil.c221 if (!(png_ptr->zlib_state & PNG_ZLIB_IN_USE))
224 if (png_ptr->zlib_state != state)
230 if (png_ptr->zlib_state != PNG_ZLIB_UNINITIALIZED)
234 png_ptr->zlib_state = PNG_ZLIB_UNINITIALIZED;
262 png_ptr->zlib_state = state;
297 png_ptr->zlib_state |= PNG_ZLIB_IN_USE;
310 if (png_ptr->zlib_state & PNG_ZLIB_IN_USE)
314 png_ptr->zlib_state &= ~PNG_ZLIB_IN_USE;
886 png_ptr->zlib_state = PNG_ZLIB_UNINITIALIZED;
H A Dpngwrite.c971 if (png_ptr->zlib_state != PNG_ZLIB_UNINITIALIZED)

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