def perspective(image, width, height, skew_x, skew_y, offset_x, offset_y, left,
top, back_color, opacity, resample, crop, transpose):
image = imtools.convert_safe_mode(image)
if transpose == 'NONE':
transpose = None
else:
transpose = getattr(Image, transpose)
image = image.transpose(imtools.get_reverse_transposition(transpose))
if opacity != 100 or back_color != '#000000':
image = image.convert('RGBA')
if width != 0:
width = 1 / width
if height != 0:
height = 1 / height
offset_x = offset_x * width
offset_y = offset_y * height
skew_x = math.tan(r(skew_x))
skew_y = math.tan(r(skew_y))
matrix = (width, skew_x, offset_x, skew_y, height, offset_y, left, top)
perspectived = image.transform(image.size, Image.PERSPECTIVE, matrix,
resample)
result = imtools.fill_background_color(
perspectived, HTMLColorToRGBA(back_color, (255 * opacity) / 100))
if crop:
result = imtools.auto_crop(result)
if not (transpose is None):
result = result.transpose(transpose)
return result
def perspective(image,
width, height, skew_x, skew_y, offset_x, offset_y,
left, top, back_color, opacity, resample, crop, transpose):
image = imtools.convert_safe_mode(image)
if transpose == 'NONE':
transpose = None
else:
transpose = getattr(Image, transpose)
image = image.transpose(imtools.get_reverse_transposition(transpose))
if opacity != 100 or back_color != '#000000':
image = image.convert('RGBA')
if width != 0:
width = 1 / width
if height != 0:
height = 1 / height
offset_x = offset_x * width
offset_y = offset_y * height
skew_x = math.tan(r(skew_x))
skew_y = math.tan(r(skew_y))
matrix = (width, skew_x, offset_x, skew_y, height, offset_y, left, top)
perspectived = image.transform(image.size, Image.PERSPECTIVE, matrix,
resample)
result = imtools.fill_background_color(perspectived,
HTMLColorToRGBA(back_color, (255 * opacity) / 100))
if crop:
result = imtools.auto_crop(result)
if not (transpose is None):
result = result.transpose(transpose)
return result
def rotate(image, angle, resample_image, expand=0, amount=100,
background_color='#000000', background_opacity=100):
resample_image = getattr(Image, resample_image)
if background_opacity != 100 or background_color != '#000000':
image = image.convert('RGBA')
rotated = image.rotate(angle, resample_image, expand)
rgba = HTMLColorToRGBA(background_color,
255 * background_opacity / 100)
rotated = imtools.fill_background_color(rotated, rgba)
if amount < 100:
rotated = imtools.blend(image, rotated, amount / 100.0, rgba)
return rotated
def rotate(image, angle, resample_image, expand=0, amount=100,
background_color='#000000', background_opacity=100):
resample_image = getattr(Image, resample_image)
if background_opacity != 100 or background_color != '#000000':
image = image.convert('RGBA')
rotated = image.rotate(angle, resample_image, expand)
rgba = HTMLColorToRGBA(background_color,
255 * background_opacity / 100)
rotated = imtools.fill_background_color(rotated, rgba)
if amount < 100:
rotated = imtools.blend(image, rotated, amount / 100.0, rgba)
return rotated
def background(image, fill, mark, color,
horizontal_offset=None, vertical_offset=None,
horizontal_justification=None, vertical_justification=None,
orientation=None, method=None, opacity=100):
if not has_transparency(image):
return image
if image.mode == 'P':
image = image.convert('RGBA')
if fill == FILL_CHOICES[0]:
opacity = (255 * opacity) / 100
return fill_background_color(image, HTMLColorToRGBA(color,
opacity))
elif fill == FILL_CHOICES[1]:
layer = generate_layer(image.size, mark, method,
horizontal_offset, vertical_offset,
horizontal_justification,
vertical_justification,
orientation, opacity)
paste(layer, image, mask=image)
return layer
def background(image,
fill,
mark,
color,
horizontal_offset=None,
vertical_offset=None,
horizontal_justification=None,
vertical_justification=None,
orientation=None,
method=None,
opacity=100):
if not has_transparency(image):
return image
if image.mode == 'P':
image = image.convert('RGBA')
if fill == FILL_CHOICES[0]:
opacity = (255 * opacity) / 100
return fill_background_color(image, HTMLColorToRGBA(color, opacity))
elif fill == FILL_CHOICES[1]:
layer = generate_layer(image.size, mark, method, horizontal_offset,
vertical_offset, horizontal_justification,
vertical_justification, orientation, opacity)
paste(layer, image, mask=image)
return layer
