def decode_animation(self, file, filename):
# If file is not an animated GIF, it will be loaded as a single-frame animation.
file_bytes = file.read()
data = c_void_p(cf.CFDataCreate(None, file_bytes, len(file_bytes)))
sourceRef = c_void_p(quartz.CGImageSourceCreateWithData(data, None))
# Get number of frames in the animation.
count = quartz.CGImageSourceGetCount(sourceRef)
frames = []
for index in range(count):
# Try to determine frame duration from GIF properties dictionary.
duration = 0.1 # default duration if none found
props = c_void_p(quartz.CGImageSourceCopyPropertiesAtIndex(sourceRef, index, None))
if cf.CFDictionaryContainsKey(props, kCGImagePropertyGIFDictionary):
gif_props = c_void_p(cf.CFDictionaryGetValue(props, kCGImagePropertyGIFDictionary))
if cf.CFDictionaryContainsKey(gif_props, kCGImagePropertyGIFDelayTime):
duration = cfnumber_to_number(c_void_p(cf.CFDictionaryGetValue(gif_props, kCGImagePropertyGIFDelayTime)))
cf.CFRelease(props)
image = self._get_pyglet_ImageData_from_source_at_index(sourceRef, index)
frames.append( AnimationFrame(image, duration) )
cf.CFRelease(data)
cf.CFRelease(sourceRef)
return Animation(frames)
def decode(self, file, filename):
file_bytes = file.read()
data = c_void_p(cf.CFDataCreate(None, file_bytes, len(file_bytes)))
# Second argument is an options dictionary. It might be a good idea to provide
# a value for kCGImageSourceTypeIdentifierHint here using filename extension.
sourceRef = c_void_p(quartz.CGImageSourceCreateWithData(data, None))
image = self._get_pyglet_ImageData_from_source_at_index(sourceRef, 0)
cf.CFRelease(data)
cf.CFRelease(sourceRef)
return image
def _get_elements(self):
cfarray = c_void_p(iokit.IOHIDDeviceCopyMatchingElements(self.deviceRef, None, 0))
if not cfarray:
# requires "Security & Privacy / Input Monitoring", see #95
return []
elements = cfarray_to_list(cfarray)
cf.CFRelease(cfarray)
return elements
def get_devices(self):
# Tell manager that we are willing to match *any* device.
# (Alternatively, we could restrict by device usage, or usage page.)
iokit.IOHIDManagerSetDeviceMatching(self.managerRef, None)
# Copy the device set and convert it to python.
cfset = c_void_p(iokit.IOHIDManagerCopyDevices(self.managerRef))
self.devices = cfset_to_set(cfset)
cf.CFRelease(cfset)
def get_modes(self):
cgmodes = c_void_p(
quartz.CGDisplayCopyAllDisplayModes(self._cg_display_id, None))
modes = [
CocoaScreenMode(self, cgmode)
for cgmode in cfarray_to_list(cgmodes)
]
cf.CFRelease(cgmodes)
return modes
def _get_elements(self):
try:
cfarray = c_void_p(
iokit.IOHIDDeviceCopyMatchingElements(self.deviceRef, None, 0))
elements = cfarray_to_list(cfarray)
cf.CFRelease(cfarray)
except:
return []
return elements
def getBitsPerPixel(self, cgmode):
# from /System/Library/Frameworks/IOKit.framework/Headers/graphics/IOGraphicsTypes.h
IO8BitIndexedPixels = "PPPPPPPP"
IO16BitDirectPixels = "-RRRRRGGGGGBBBBB"
IO32BitDirectPixels = "--------RRRRRRRRGGGGGGGGBBBBBBBB"
cfstring = c_void_p(quartz.CGDisplayModeCopyPixelEncoding(cgmode))
pixelEncoding = cfstring_to_string(cfstring)
cf.CFRelease(cfstring)
if pixelEncoding == IO8BitIndexedPixels: return 8
if pixelEncoding == IO16BitDirectPixels: return 16
if pixelEncoding == IO32BitDirectPixels: return 32
return 0
def get_property(self, name):
cfname = CFSTR(name)
cfvalue = c_void_p(iokit.IOHIDDeviceGetProperty(
self.deviceRef, cfname))
cf.CFRelease(cfname)
return cftype_to_value(cfvalue)
def get_elements(self):
cfarray = c_void_p(
iokit.IOHIDDeviceCopyMatchingElements(self.deviceRef, None, 0))
self.elements = cfarray_to_list(cfarray)
cf.CFRelease(cfarray)
