class Image(object):
EMPTY_IMAGE = Kivy_Image(Texture.create(size=(0, 0)))
width = 0
height = 0
filename = None
is_sequence_image = False
def __init__(self, image = None, sequence = False, width = None, height = None, mipmap = True):
if image is None:
self.image = self.EMPTY_IMAGE
self.width = 0
self.height = 0
return
if isinstance(image, str):
self.filename = image
try:
self.image = Kivy_Image(image, mipmap = mipmap)
except:
raise MyrmidonError("Couldn't load image from " + image)
else:
self.image = Kivy_Image(image)
self.width = self.image.width
self.height = self.image.height
def destroy(self):
"""
Explicitly removes this image from the video memory and
Kivy's cache.
This functionality requires the custom kivy version at
http://github.com/arcticshores/kivy
"""
if self.image is None or self.image is self.EMPTY_IMAGE:
return
from kivy.cache import Cache
from kivy.graphics.opengl import glBindTexture, glDeleteTextures
from kivy.logger import Logger
Logger.debug("MyrmidonGFX: Destroying {0}".format(self.filename if self.filename else self.image))
# Remove from cache
self.image.remove_from_cache()
# Convert the ID to the right byte format for the GL method
a1 = (self.image.texture.id >> 0) & 0xFF
a2 = (self.image.texture.id >> 8) & 0xFF
a3 = (self.image.texture.id >> 16) & 0xFF
a4 = (self.image.texture.id >> 24) & 0xFF
# Remove texture completely
glBindTexture(self.image.texture.target, 0)
glDeleteTextures(1, bytes(bytearray([a1, a2, a3, a4])))
# Since we've done a manual removal kivy shouldn't do it's own removal later
self.image.texture.nofree = 1
# Stop this image from being used as a texture now
self.image = None
def DeleteSavedFace(self):
self.ids.displayImage.source = ''
imToRemove = CoreImage('faceImg/grayImg.png')
imToRemove.remove_from_cache()
os.rename("faceImg/grayImg.png", "faceImg/grayImgTemp.png")
Cache.remove("kv.image")
Cache.remove("kv.textur")
self.remove_widget(self.ids.displayImage)
os.rename("faceImg/grayImgTemp.png", "faceImg/grayImg.png")
self.ids.displayImage.source = 'faceImg/grayImg.png'
class Image(object):
EMPTY_IMAGE = Kivy_Image(Texture.create(size=(0, 0)))
width = 0
height = 0
filename = None
is_sequence_image = False
def __init__(self,
image=None,
sequence=False,
width=None,
height=None,
mipmap=True):
if image is None:
self.image = self.EMPTY_IMAGE
self.width = 0
self.height = 0
return
if isinstance(image, str):
self.filename = image
try:
self.image = Kivy_Image(image, mipmap=mipmap)
except:
raise MyrmidonError("Couldn't load image from " + image)
else:
self.image = Kivy_Image(image)
self.width = self.image.width
self.height = self.image.height
def destroy(self):
"""
Explicitly removes this image from the video memory and
Kivy's cache.
This functionality requires the custom kivy version at
http://github.com/arcticshores/kivy
"""
if self.image is None or self.image is self.EMPTY_IMAGE:
return
from kivy.cache import Cache
from kivy.graphics.opengl import glBindTexture, glDeleteTextures
from kivy.logger import Logger
Logger.debug("MyrmidonGFX: Destroying {0}".format(
self.filename if self.filename else self.image))
# Remove from cache
self.image.remove_from_cache()
# Convert the ID to the right byte format for the GL method
a1 = (self.image.texture.id >> 0) & 0xFF
a2 = (self.image.texture.id >> 8) & 0xFF
a3 = (self.image.texture.id >> 16) & 0xFF
a4 = (self.image.texture.id >> 24) & 0xFF
# Remove texture completely
glBindTexture(self.image.texture.target, 0)
glDeleteTextures(1, bytes(bytearray([a1, a2, a3, a4])))
# Since we've done a manual removal kivy shouldn't do it's own removal later
self.image.texture.nofree = 1
# Stop this image from being used as a texture now
self.image = None
