本文整理汇总了Python中thumbor.engines.pil.Engine.read方法的典型用法代码示例。如果您正苦于以下问题：Python Engine.read方法的具体用法？Python Engine.read怎么用？Python Engine.read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类thumbor.engines.pil.Engine的用法示例。
在下文中一共展示了Engine.read方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_load_tif_8bit_per_channel
# 需要导入模块: from thumbor.engines.pil import Engine [as 别名]
# 或者: from thumbor.engines.pil.Engine import read [as 别名]
def test_load_tif_8bit_per_channel(self):
engine = Engine(self.context)
with open(join(STORAGE_PATH, 'gradient_8bit.tif'), 'r') as im:
buffer = im.read()
expect(buffer).not_to_equal(None)
engine.load(buffer, None)
final_bytes = BytesIO(engine.read())
im = Image.open(final_bytes)
expect(im.format).to_equal('PNG')
expect(im.size).to_equal((100, 100))示例2: test_convert_png_1bit_to_png
# 需要导入模块: from thumbor.engines.pil import Engine [as 别名]
# 或者: from thumbor.engines.pil.Engine import read [as 别名]
def test_convert_png_1bit_to_png(self):
engine = Engine(self.context)
with open(join(STORAGE_PATH, '1bit.png'), 'r') as im:
buffer = im.read()
engine.load(buffer, '.png')
expect(engine.original_mode).to_equal('P') # Note that this is not a true 1bit image, it's 8bit in black/white.
engine.resize(10, 10)
mode, _ = engine.image_data_as_rgb()
expect(mode).to_equal('RGB')
final_bytes = BytesIO(engine.read())
mode = Image.open(final_bytes).mode
expect(mode).to_equal('P')示例3: test_convert_should_preserve_palette_mode
# 需要导入模块: from thumbor.engines.pil import Engine [as 别名]
# 或者: from thumbor.engines.pil.Engine import read [as 别名]
def test_convert_should_preserve_palette_mode(self):
engine = Engine(self.context)
with open(join(STORAGE_PATH, '256_color_palette.png'), 'r') as im:
buffer = im.read()
engine.load(buffer, '.png')
expect(engine.original_mode).to_equal('P')
engine.resize(10, 10)
mode, _ = engine.image_data_as_rgb()
expect(mode).to_equal('RGB')
final_bytes = BytesIO(engine.read())
mode = Image.open(final_bytes).mode
expect(mode).to_equal('P')示例4: test_should_preserve_png_transparency
# 需要导入模块: from thumbor.engines.pil import Engine [as 别名]
# 或者: from thumbor.engines.pil.Engine import read [as 别名]
def test_should_preserve_png_transparency(self):
engine = Engine(self.context)
with open(join(STORAGE_PATH, 'paletted-transparent.png'), 'r') as im:
buffer = im.read()
engine.load(buffer, 'png')
expect(engine.original_mode).to_equal('P')
engine.resize(200, 150)
img = Image.open(BytesIO(engine.read('.png')))
expect(img.mode).to_equal('P')
expect(img.format.lower()).to_equal('png')
transparent_pixels_count = sum(img.convert('RGBA')
.split()[3] # Get alpha channel
.point(lambda x: 0 if x else 1) # return 1 if pixel is transparent, 0 otherwise
.getdata())
# Image has total of 200x150=30000 pixels. Most of them should be transparent
expect(transparent_pixels_count).to_be_greater_than(19000)