def glReadPixels(x,
y,
width,
height,
format,
type=type,
array=None,
outputType=bytes):
"""Read specified pixels from the current display buffer
This typed version returns data in your specified default
array data-type format, or in the passed array, which will
be converted to the array-type required by the format.
"""
x, y, width, height = asInt(x), asInt(y), asInt(width), asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[
images.TYPE_TO_ARRAYTYPE.get(type, type)]
if array is None:
array = imageData = images.SetupPixelRead(format, (width, height),
type)
owned = True
else:
if isinstance(array, integer_types):
imageData = ctypes.c_void_p(array)
else:
array = arrayType.asArray(array)
imageData = arrayType.voidDataPointer(array)
owned = False
GL_1_1.glReadPixels(x, y, width, height, format, type, imageData)
if owned and outputType is bytes:
return images.returnFormat(array, type)
else:
return array
def glReadPixels( x,y,width,height,format,type=type, array=None, outputType=bytes ):
"""Read specified pixels from the current display buffer
This typed version returns data in your specified default
array data-type format, or in the passed array, which will
be converted to the array-type required by the format.
"""
x,y,width,height = asInt(x),asInt(y),asInt(width),asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[ images.TYPE_TO_ARRAYTYPE.get(type,type) ]
if array is None:
array = imageData = images.SetupPixelRead( format, (width,height), type )
owned = True
else:
if isinstance( array, integer_types):
imageData = ctypes.c_void_p( array )
else:
array = arrayType.asArray( array )
imageData = arrayType.voidDataPointer( array )
owned = False
GL_1_1.glReadPixels(
x,y,
width, height,
format,type,
imageData
)
if owned and outputType is bytes:
return images.returnFormat( array, type )
else:
return array
def glReadPixels( x,y,width,height,format,type, array=None, outputType=str ):
"""Read specified pixels from the current display buffer
x,y,width,height -- location and dimensions of the image to read
from the buffer
format -- pixel format for the resulting data
type -- data-format for the resulting data
array -- optional array/offset into which to store the value
outputType -- default (str) provides string output of the
results iff OpenGL.UNSIGNED_BYTE_IMAGES_AS_STRING is True
and type == GL_UNSIGNED_BYTE. Any other value will cause
output in the default array output format.
returns the pixel data array in the format defined by the
format, type and outputType
"""
x,y,width,height = asInt(x),asInt(y),asInt(width),asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[ images.TYPE_TO_ARRAYTYPE.get(type,type) ]
if array is None:
array = images.SetupPixelRead( format, (width,height), type )
else:
array = arrayType.asArray( array )
imageData = arrayType.voidDataPointer( array )
GL_1_1.glReadPixels(
x,y,width,height,
format,type,
imageData
)
if outputType is str:
return images.returnFormat( array, type )
else:
return array
def glReadPixels(x, y, width, height, format, type=type, array=None):
"""Read specified pixels from the current display buffer
This typed version returns data in your specified default
array data-type format, or in the passed array, which will
be converted to the array-type required by the format.
"""
x, y, width, height = asInt(x), asInt(y), asInt(width), asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[
images.TYPE_TO_ARRAYTYPE.get(type, type)]
if array is None:
array = images.SetupPixelRead(format, (width, height), type)
else:
array = arrayType.asArray(array)
imageData = arrayType.voidDataPointer(array)
GL_1_1.glReadPixels(x, y, width, height, format, type, imageData)
return array
def glReadPixels(x,
y,
width,
height,
format,
type,
array=None,
outputType=bytes):
"""Read specified pixels from the current display buffer
x,y,width,height -- location and dimensions of the image to read
from the buffer
format -- pixel format for the resulting data
type -- data-format for the resulting data
array -- optional array/offset into which to store the value
outputType -- default (bytes) provides string output of the
results iff OpenGL.UNSIGNED_BYTE_IMAGES_AS_STRING is True
and type == GL_UNSIGNED_BYTE. Any other value will cause
output in the default array output format.
returns the pixel data array in the format defined by the
format, type and outputType
"""
x, y, width, height = asInt(x), asInt(y), asInt(width), asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[images.TYPE_TO_ARRAYTYPE.get(
type, type)]
if array is None:
array = imageData = images.SetupPixelRead(format, (width, height),
type)
owned = True
else:
if isinstance(array, integer_types):
imageData = ctypes.c_void_p(array)
else:
array = arrayType.asArray(array)
imageData = arrayType.voidDataPointer(array)
owned = False
GL_1_1.glReadPixels(x, y, width, height, format, type, imageData)
if owned and outputType is bytes:
return images.returnFormat(array, type)
else:
return array
def glReadPixels( x,y,width,height,format,type=type, array=None ):
"""Read specified pixels from the current display buffer
This typed version returns data in your specified default
array data-type format, or in the passed array, which will
be converted to the array-type required by the format.
"""
x,y,width,height = asInt(x),asInt(y),asInt(width),asInt(height)
arrayType = arrays.GL_CONSTANT_TO_ARRAY_TYPE[ images.TYPE_TO_ARRAYTYPE.get(type,type) ]
if array is None:
array = images.SetupPixelRead( format, (width,height), type )
else:
array = arrayType.asArray( array )
imageData = arrayType.voidDataPointer( array )
GL_1_1.glReadPixels(
x,y,
width, height,
format,type,
imageData
)
return array
