我是新编程并尝试制作图像缩放器。我想在文件名之前让用户编写自定义前缀。尺寸也是可以定制的。cv2.resize()错误:使用不同的名称保存相同的图片
cv2.imshow()工作正常,但cv2.resize()没有。如果使用imshow检查它,尽管有for循环,它只显示一张图片,然后cv2.imwrite只保存一张带有所有选定图片名称的图片。 列表似乎没有问题。
我希望我是清楚的,代码:
def openfiles():
global picture_original
global file_path
global f
# Valid filetypes
file_types=[("Jpeg files","*.jpg"),("PNG files","*.png"),("BMP files","*.bmp"),("all files","*.*")]
window.filenames = filedialog.askopenfilenames(initialdir = "/",title = "Select file",filetypes = (file_types)) # TUPLE of filepath/filenames
#f = []
# Creating a list from the tuple
for pics in window.filenames:
f.append(pics)
f = [picture.replace('/', "\\") for picture in f]
try:
for picture in f:
picture_original = cv2.imread(picture, 1)
#cv2.imshow("Preview", picture_original)
#cv2.waitKey(1)
except:
msgbox_openerror() # Error opening the file
# Getting the filepath only from the list "f":
file_path = f[0].rsplit("\\",1)[0]
view_list()
def save_command():
"""
function to save the resized pictures
"""
global picture_resized
global prefix
prefix = "Resized_"
lst_filename = []
lst_renamed = []
for i in f:
#print(f)
path,filename = os.path.split(i) # path - only filepath | filename - only filename with extension
lst_filename.append(prefix+filename)
for i in range(len(f)):
lst_renamed.append(os.path.join(path, lst_filename[i]))
for i in range(len(f)):
picture_resized = cv2.resize(picture_original, ((int(width.get())), int(height.get())))
cv2.imshow("Preview", picture_resized)
cv2.waitKey(1)
for i in lst_renamed:
cv2.imwrite(i, picture_resized)
我希望有人有一些想法。先谢谢你!
你有什么期望在'openfiles()'完成后包含'picture_original'? –
或'picture_resized' ......循环中没有什么能够根据“i”的值调整大小 - 所以你基本上一次又一次地在相同的输入上重复相同的操作。同样,在使用'imwrite'的循环中,唯一改变的是文件名。 |如果您有多个文件名要处理(并将它们存储在列表中),则还应该有多个图像(并将它们存储在列表中)。 –
我期望'picture_original'和'picture_resized'应该是numpy数组的列表。他们的类型应该是 是的,你可能是正确的与循环相关的。我尝试调整'picture_original [i]'和'imwrite'。 –
koger23