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| Current File : //proc/thread-self/root/usr/local/lib/python3.8/dist-packages/wand/cdefs/pixel_iterator.py |
""":mod:`wand.cdefs.pixel_iterator` --- Pixel-Iterator definitions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. versionadded:: 0.5.0
"""
from ctypes import POINTER, c_void_p, c_int, c_size_t
from wand.cdefs.wandtypes import c_ssize_t
__all__ = ('load',)
def load(lib, IM_VERSION):
"""Define Pixel Iterator methods. The ImageMagick version is given as
a second argument for comparison. This will quick to determine which
methods are available from the library, and can be implemented as::
if IM_VERSION < 0x700:
# ... do ImageMagick-6 methods ...
else
# ... do ImageMagick-7 methods ...
.. seealso::
#include "wand/pixel-iterator.h"
// Or
#include "MagickWand/pixel-iterator.h"
:param lib: the loaded ``MagickWand`` library
:type lib: :class:`ctypes.CDLL`
:param IM_VERSION: the ImageMagick version number (i.e. 0x0689)
:type IM_VERSION: :class:`numbers.Integral`
.. versionadded:: 0.5.0
"""
lib.ClonePixelIterator.argtypes = [c_void_p]
lib.ClonePixelIterator.restype = c_void_p
lib.DestroyPixelIterator.argtypes = [c_void_p]
lib.DestroyPixelIterator.restype = c_void_p
lib.IsPixelIterator.argtypes = [c_void_p]
lib.NewPixelIterator.argtypes = [c_void_p]
lib.NewPixelIterator.restype = c_void_p
lib.PixelClearIteratorException.argtypes = [c_void_p]
lib.PixelGetIteratorException.argtypes = [c_void_p, POINTER(c_int)]
lib.PixelGetIteratorException.restype = c_void_p
lib.PixelGetNextIteratorRow.argtypes = [c_void_p, POINTER(c_size_t)]
lib.PixelGetNextIteratorRow.restype = POINTER(c_void_p)
lib.PixelSetFirstIteratorRow.argtypes = [c_void_p]
lib.PixelSetIteratorRow.argtypes = [c_void_p, c_ssize_t]