def save_file(self):
fname = asksaveasfilename(initialdir=self.rootdir)
savedFile = self.content.adjustImage
if fname:
imgApi = image_api.ImageAPI()
imgApi.save(savedFile, fname)
else:
raise AppError('GUI save_file file error')
def update_adjusted_image(self, newPilImg):
self.adjustImage = newPilImg
rate = newPilImg.width / self.originOpenedFilePil.width
imgApi = image_api.ImageAPI()
self.displayOpenedFilePil = imgApi.resize(newPilImg, (int(300*rate), int(300*rate)))
self.displayOpenedFileTk = act.load_imageTk(self.displayOpenedFilePil)
self.displayFileLabel.configure(image=self.displayOpenedFileTk)
def do_contrast(img, contrastType, scalarLevel):
imgApi = image_api.ImageAPI()
if (contrastType == "linear"):
return imgApi.linear_contrast(img, scalarLevel)
elif (contrastType == "exp"):
return imgApi.exp_contrast(img, scalarLevel)
elif (contrastType == "log"):
return imgApi.log_contrast(img, scalarLevel)
else:
raise AppError('GUI apply button value error')
return None
def open_file(self):
fname = askopenfilename(initialdir=self.rootdir)
if fname:
# open file and set display image
imgApi = image_api.ImageAPI()
self.content.originOpenedFilePil = imgApi.open(fname)
self.content.displayOpenedFilePil = imgApi.resize(self.content.originOpenedFilePil, (300, 300))
# set origin file field
self.content.originOpenedFileTk = act.load_imageTk(self.content.displayOpenedFilePil)
self.content.orginFileLabel.configure(image=self.content.originOpenedFileTk)
# set display file field
self.content.displayOpenedFileTk = self.content.originOpenedFileTk
self.content.displayFileLabel.configure(image=self.content.displayOpenedFileTk)
# set adjust file, default = origin
self.content.adjustImage = self.content.originOpenedFilePil
else:
raise AppError('GUI open_file file error')
def do_histogram(img):
imgApi = image_api.ImageAPI()
before, after, adjusted = imgApi.histogram_equalization(img)
return before, after, adjusted
def do_zoom(img, rate):
imgApi = image_api.ImageAPI()
newWidth = int(img.width * rate)
newHeight = int(img.height * rate)
return imgApi.bilinear_resize(img, (newWidth, newHeight))