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我遇到了旋转我创建的图像的问题。由于代码分散在多种方法之中,因此我已将下面的相关命令作为我的想法。旋转PIL图像似乎不旋转画布(未添加任何TKinter画布)
问题是,当图像被成功创建时,当我使用img.rotate(-90)旋转图像时...图像旋转,但它显示托盘/背景/画布不显示(请参阅附加图像)。
我该如何纠正这一点。我是否需要创建更大的透明背景?我可以让背景/画布旋转以及旋转,然后调整背景/画布的大小?
FIRST示例图像(QRCODE)
img = Image.new('RGB', (x,y), 'white')
qr = qrcode.QRCode(version=1,error_correction=qrcode.constants.ERROR_CORRECT_L,box_size=10,border=1,)
qr.add_data('QRB.NO/AbCd1')
qr.make(fit=True)
QRimg = qr.make_image()
img = img.paste(QRimg, (x,y))
img.show() #333
raw_input('(Above is unrotated QRcode image) Press enter...') #333
img = img.rotate(-90)
print img, type(img)
img.show() #333
raw_input('Above is the rotated -90 QRcode image. Press enter...') #333
SECOND示例图像
font_name = 'Arial.ttf'
font_size = 16
font = ImageFont.truetype(font_name, font_size)
img = Image.new('RGB', (x,y), color=background_color)
# Place text
draw = ImageDraw.Draw(img)
draw.text((corner_X,corner_Y), 'QRB.NO/AbCd1', font=font, fill='#000000')
draw.rectangle((0,0,x-1,y-1), outline = "black")
del draw
print img, type(img)
img.show() #333
raw_input('(Above is the unrotated test image). Press enter...') #333
img = img.rotate(90)
print img, type(img)
img.show() #333
raw_input('(Above is the ROTATED 90 text image). Press enter...') #333
OUTPUT
<PIL.Image.Image image mode=RGB size=71x57 at 0x10E9B8C10> <class 'PIL.Image.Image'>
(Above is unrotated QRcode image) Press enter...
<PIL.Image.Image image mode=RGB size=71x57 at 0x10E9B8F90> <class 'PIL.Image.Image'>
Above is the rotated -90 QRcode image. Press enter...
<PIL.Image.Image image mode=RGB size=57x9 at 0x10EA6CB90> <class 'PIL.Image.Image'>
(Above is the unrotated test image). Press enter...
<PIL.Image.Image image mode=RGB size=57x9 at 0x10E9B8C10> <class 'PIL.Image.Image'>
(Above is the ROTATED 90 text image). Press enter...
编辑:
x,y = img.size
img = img.resize((y, x), Image.ANTIALIAS)
img = img.rotate(-90)
......或者......似乎
x,y = img.size
img = img.rotate(-90)
img = img.resize((y, x), Image.ANTIALIAS)
...没有帮助。