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Lines Matching refs:control

498       /* Set the zlib control values to defaults; they can be overridden by the

1578          png_controlp control = png_voidcast(png_controlp,

1579             png_malloc_warn(png_ptr, (sizeof *control)));

1581          if (control != NULL)

1583             memset(control, 0, (sizeof *control));

1585             control->png_ptr = png_ptr;

1586             control->info_ptr = info_ptr;

1587             control->for_write = 1;

1589             image->opaque = control;