def vglCheckContext(img, context):
if (not vglIsContextUnique(context)):
print("vglCheckContext: Error: context =", context,
"is not unique or invalid")
exit()
if (vglIsInContext(img, context)):
print("vglCheckContext: image already in context", context)
return context
"""
HERE STARTS THE CASE-LIKE SEQUENCE FROM
vglContext.vglCheckContext(VglImage img, int context)
"""
# IF THE CONTEXT IS IN RAM
if (context is vl.VGL_RAM_CONTEXT()):
# AND IS A BLANK IMAGE, IT IS ON RAM. JUST SET IT IN CONTEXT.
if (vglIsInContext(img, vl.VGL_BLANK_CONTEXT())):
vglAddContext(img, vl.VGL_RAM_CONTEXT())
# AND THE CONTEXT IS IN CL-DEVICE, DOWNLOAD IT BACK TO RAM.
if (vglIsInContext(img, vl.VGL_CL_CONTEXT())):
vl.vglClDownload(img)
# IF THE CONTEXT IS IN CL-DEVICE
elif (context is vl.VGL_CL_CONTEXT()):
# AND IS A BLANK-IMAGE, IT IS ON RAM. UPLOAD IT TO CL-DEVICE!
if (vglIsInContext(img, vl.VGL_BLANK_CONTEXT())):
vl.vglClUpload(img)
# AND THE CONTEXT IS IN RAM, UPLOAD IT TO CL-DEVICE!
if (vglIsInContext(img, vl.VGL_RAM_CONTEXT())):
vl.vglClUpload(img)
else:
print("vglCheckContext: Error: Trying to copy to invalid context =",
context)
exit()
return img.inContext
def vglLoadImage(img, filename=""):
if( img.filename == "" ):
if( filename == "" ):
print("vglImage: vglLoadImage Error: Image file path not defined! Empty string received!")
exit()
else:
img.filename = filename
try:
img.ipl = io.imread(img.filename)
vl.vglAddContext(img, vl.VGL_RAM_CONTEXT())
except FileNotFoundError as fnf:
print("vglImage: vglLoadImage Error: loading image from file:", img.filename)
print(str(fnf))
exit()
except Exception as e:
print("vglImage: vglLoadImage Error: Unrecognized exception was thrown.")
print(str(e))
exit()
if( isinstance(img.ipl, np.ndarray) ):
#print("vglImage: Image loaded! VGL_RAM_CONTEXT.")
vl.create_vglShape(img)
img.depth = img.getVglShape().getNFrames()
img.nChannels = img.getVglShape().getNChannels()
def vglClDownload(img):
if (vl.vglIsInContext(img, vl.VGL_CL_CONTEXT())):
if (img.clForceAsBuf == vl.IMAGE_CL_OBJECT()):
vglClImageDownload(img)
elif (img.clForceAsBuf == vl.IMAGE_ND_ARRAY()):
vglClNdImageDownload(img)
vl.vglAddContext(img, vl.VGL_RAM_CONTEXT())
else:
print("vglClDownload: Error: image context is not in VGL_CL_CONTEXT.")
exit()
def salvando2d(img, name):
# SAVING IMAGE img
ext = name.split(".")
ext.reverse()
#vl.vglClDownload(img)
vl.vglCheckContext(img, vl.VGL_RAM_CONTEXT())
if (ext.pop(0).lower() == 'jpg'):
if (img.getVglShape().getNChannels() == 4):
vl.rgba_to_rgb(img)
vl.vglSaveImage(name, img)
vl.vglLoadImage(img_input)
vl.vglClUpload(img_input)
# OUTPUT IMAGE
img_output = vl.create_blank_image_as(img_input)
img_output.set_oclPtr( vl.get_similar_oclPtr_object(img_input) )
vl.vglAddContext(img_output, vl.VGL_CL_CONTEXT())
# STRUCTURANT ELEMENT
window = vl.VglStrEl()
window.constructorFromTypeNdim(vl.VGL_STREL_CROSS(), 2)
inicio = t.time()
vglClNdCopy(img_input, img_output)
fim = t.time()
vl.vglCheckContext(img_output, vl.VGL_RAM_CONTEXT())
vl.vglSaveImage("img-vglNdCopy.jpg", img_output)
msg = msg + "Tempo de execução do método vglClNdCopy:\t" +str( round( (fim-inicio), 9 ) ) +"s\n"
inicio = t.time()
vglClNdConvolution(img_input, img_output, window)
fim = t.time()
vl.vglCheckContext(img_output, vl.VGL_RAM_CONTEXT())
vl.vglSaveImage("img-vglNdConvolution.jpg", img_output)
msg = msg + "Tempo de execução do método vglClNdConvolution:\t" +str( round( (fim-inicio), 9 ) ) +"s\n"
inicio = t.time()
vglClNdDilate(img_input, img_output, window)
fim = t.time()
vl.vglCheckContext(img_output, vl.VGL_RAM_CONTEXT())
vl.vglSaveImage("img-vglNdDilate.jpg", img_output)