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