def cmsDoBitmapTransform(hTransform, inImage, inMode, outMode): """ The method provides PIL images support for color management. hTransform - a valid lcms transformation handle inImage - a valid PIL image object inMode, outMode - - predefined string constant (i.e. TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8) or valid PIL mode Currently supports RGB, RGBA and CMYK modes only. Returns new PIL image object in outMode colorspace. """ if not inImage.mode == inMode: raise pycmsError, "incorrect inMode" if not inImage.mode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]: raise pycmsError, "unsupported image type: %s"%inImage.mode if not inMode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]: raise pycmsError, "unsupported inMode type: %s"%inMode if not outMode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]: raise pycmsError, "unsupported outMode type: %s"%outMode w, h = inImage.size inImage.load() outImage=Image.new(outMode, (w, h)) _pycms.transformBitmap(hTransform, inImage.im, outImage.im, w, h) return outImage
def cmsDoBitmapTransform(hTransform, inImage, inMode, outMode):
"""
The method provides PIL images support for color management.
hTransform - a valid lcms transformation handle
inImage - a valid PIL image object
inMode, outMode - - predefined string constant (i.e. TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8) or valid PIL mode
Currently supports RGB, RGBA and CMYK modes only.
Returns new PIL image object in outMode colorspace.
"""
if not inImage.mode == inMode:
raise pycmsError, "incorrect inMode"
if not inImage.mode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]:
raise pycmsError, "unsupported image type: %s" % inImage.mode
if not inMode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]:
raise pycmsError, "unsupported inMode type: %s" % inMode
if not outMode in [TYPE_RGB_8, TYPE_RGBA_8, TYPE_CMYK_8]:
raise pycmsError, "unsupported outMode type: %s" % outMode
w, h = inImage.size
inImage.load()
outImage = Image.new(outMode, (w, h))
_pycms.transformBitmap(hTransform, inImage.im, outImage.im, w, h)
return outImage
def getImageFromPixels(pixels, mode, width, height): """ Creates new image using provided pixel array. pixels - pixel array wrapped as a python object. mode - pixel array appropriate PIL mode. width, height - pixel array appropriate image size. Returns new PIL image object. """ image=Image.new(mode,(width,height)) pixel = image.getpixel((0,0)) bytes_per_pixel = 1 if type(pixel) is types.TupleType: bytes_per_pixel = len(pixel) if image.mode == TYPE_RGB_8: bytes_per_pixel = 4 _pycms.setImagePixels(pixels, image.im, width, height, bytes_per_pixel) return image
def getImageFromPixels(pixels, mode, width, height):
"""
Creates new image using provided pixel array.
pixels - pixel array wrapped as a python object.
mode - pixel array appropriate PIL mode.
width, height - pixel array appropriate image size.
Returns new PIL image object.
"""
image = Image.new(mode, (width, height))
pixel = image.getpixel((0, 0))
bytes_per_pixel = 1
if type(pixel) is types.TupleType:
bytes_per_pixel = len(pixel)
if image.mode == TYPE_RGB_8:
bytes_per_pixel = 4
_pycms.setImagePixels(pixels, image.im, width, height, bytes_per_pixel)
return image
def axial_gradient(self, properties, rect):
pattern = properties.fill_pattern
vx, vy = pattern.Direction()
angle = atan2(vy, vx) - pi / 2
center = rect.center()
rot = Rotation(angle, center)
left, bottom, right, top = rot(rect)
trafo = rot(Translation(center))
image = Image.new('RGB', (1, 200))
border = int(round(100 * pattern.Border()))
result=[]
colors=pattern.Gradient().Colors()
for color in colors:
result.append((color[0],color[1].RGB()))
_sketch.fill_axial_gradient(image.im, result,
0, border, 0, 200 - border)
self.pdf.saveState()
apply(self.pdf.transform, trafo.coeff())
self.pdf.drawInlineImage(image, (left - right) / 2, (bottom - top) / 2,
right - left, top - bottom)
self.pdf.restoreState()
def axial_gradient(self, properties, rect):
pattern = properties.fill_pattern
vx, vy = pattern.Direction()
angle = atan2(vy, vx) - pi / 2
center = rect.center()
rot = Rotation(angle, center)
left, bottom, right, top = rot(rect)
trafo = rot(Translation(center))
image = Image.new('RGB', (1, 200))
border = int(round(100 * pattern.Border()))
result = []
colors = pattern.Gradient().Colors()
for color in colors:
result.append((color[0], color[1].RGB()))
_sketch.fill_axial_gradient(image.im, result, 0, border, 0,
200 - border)
self.pdf.saveState()
apply(self.pdf.transform, trafo.coeff())
self.pdf.drawInlineImage(image, (left - right) / 2, (bottom - top) / 2,
right - left, top - bottom)
self.pdf.restoreState()
