def saveImage(request, data):
randomStr = stringutil.genRandomString(10)
fileNameServer = randomStr + '.jpg'
destinationFile = settings.UPLOAD_FOLDER + '/' + fileNameServer
imgPIL = imconvert.binary_2_PIL(data)
if 'canvas-size[width]' in request.GET.keys() and 'canvas-size[height]' in request.GET.keys():
canvasWidth = int(request.GET['canvas-size[width]'])
canvasHeight = int(request.GET['canvas-size[height]'])
imtransform.scalePILImage(imgPIL, (canvasWidth, canvasHeight))
if 'canvas-size[width]' in request.POST.keys() and 'canvas-size[height]' in request.POST.keys():
canvasWidth = int(request.POST['canvas-size[width]'])
canvasHeight = int(request.POST['canvas-size[height]'])
imtransform.scalePILImage(imgPIL, (canvasWidth, canvasHeight))
imgPIL.save(destinationFile, "JPEG")
request.session['original_image'] = fileNameServer
return JsonResponse({'imgUrl': settings.UPLOAD_URL + "/" + fileNameServer})
def saveImage(request, data):
randomStr = stringutil.genRandomString(10)
fileNameServer = randomStr + '.jpg'
destinationFile = settings.UPLOAD_FOLDER + '/' + fileNameServer
imgPIL = imconvert.binary_2_PIL(data)
if 'canvas-size[width]' in request.GET.keys(
) and 'canvas-size[height]' in request.GET.keys():
canvasWidth = int(request.GET['canvas-size[width]'])
canvasHeight = int(request.GET['canvas-size[height]'])
imtransform.scalePILImage(imgPIL, (canvasWidth, canvasHeight))
if 'canvas-size[width]' in request.POST.keys(
) and 'canvas-size[height]' in request.POST.keys():
canvasWidth = int(request.POST['canvas-size[width]'])
canvasHeight = int(request.POST['canvas-size[height]'])
imtransform.scalePILImage(imgPIL, (canvasWidth, canvasHeight))
imgPIL.save(destinationFile, "JPEG")
request.session['original_image'] = fileNameServer
return JsonResponse({'imgUrl': settings.UPLOAD_URL + "/" + fileNameServer})
def receivePILImage(request, label):
if request.method != 'POST':
return None
if label in request.POST:
imgData64 = request.POST[label]
if imgData64 is not None and len(imgData64) > 0:
im = imconvert.base64_2_PIL(imgData64)
elif label in request.FILES:
file = request.FILES[label]
if file is not None:
imgData = file.read()
if imgData is not None and len(imgData) > 0:
im = imconvert.binary_2_PIL(imgData)
else:
return None
if im is not None and im.mode == "RGBA": # canvas image is sent with an alpha layer
# Create a new image with a solid color
background = Image.new('RGBA', im.size, (255, 255, 255))
# Paste the image on top of the background
background.paste(im, im)
im = background.convert('RGB')
return im
return None
def receivePILImage(request, label):
if request.method != 'POST':
return None
if label in request.POST:
imgData64 = request.POST[label]
if imgData64 is not None and len(imgData64) > 0:
im = imconvert.base64_2_PIL(imgData64)
elif label in request.FILES:
file = request.FILES[label]
if file is not None:
imgData = file.read()
if imgData is not None and len(imgData) > 0:
im = imconvert.binary_2_PIL(imgData)
else:
return None
if im is not None and im.mode == "RGBA": # canvas image is sent with an alpha layer
# Create a new image with a solid color
background = Image.new('RGBA', im.size, (255, 255, 255))
# Paste the image on top of the background
background.paste(im, im)
im = background.convert('RGB')
return im
return None
