Python Image.type方法代码示例

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import type [as 别名]
 def create_test_data(self):
     im = Image(filename=root('resources', 'color_circle.png'))
     if self.mode == 'RGB':
         im.type = 'truecolor'
     elif self.mode == 'RGBA':
         im.type = 'truecolormatte'
     elif self.mode == 'L':
         im.type = 'grayscale'
     elif self.mode in 'LA':
         im.type = 'grayscalematte'
     else:
         raise ValueError('Unknown mode: {}'.format(self.mode))
     im.resize(self.size[0], self.size[1], 'catrom')
     self._free_resources.append(im)
     return [im]

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import type [as 别名]
def main():
	
	output = PdfFileWriter()
	temp = PdfFileReader(file('org.pdf','rb'))
	#~ #numeracja
	for i in range(0,(temp.getNumPages()-1)):
		if i<10:
			w = '00'+str(i)
		elif i>=10 and i<100:
			w = '0'+str(i)
		elif i>=100 and i<1000:
			w = str(i)
		#wczytanie strony pdf 
	#~ i = 10
		img = Image(filename="org.pdf[" + str(i) + "]", resolution=300)
		img.type = 'bilevel';
		imga = img[:(int(img.width/2)),:]
		#~ print imga.make_blob()
		imgb = img[(int(img.width/2)):,:]
		#~ display(imga)
	#~ img1 = imga[500:750,500:750]
	#~ imga.save(filename="temp/temp1.png")
	
	#~ img1 = ndimage.imread('temp/temp1.png')
	#~ print image_to_string(pimage.open('temp/temp1.png'),lang='pol')
	
	#~ img3 = ndimage.binary_erosion(img1, structure = el).astype(img1.dtype)
	#~ img2 = ndimage.median_filter(img1, 20)
	#~ print dir(img2)
	#~ spm.imsave("temp/temp2.png",img2)
	#######Histogram
	#~ plt.figure('histogram szarosci')
	#~ plt.hist(img1.ravel(),255) # narysujmy histogram odcieni
	#~ plt.show()
	########
	#~ spm.imsave("temp/temp3.png",img3)
	
		#~ #tworzenie pdf z podzielonych stron
		for j in 'a','b':
			if j == 'a':
				imga.save(filename="temp/temp.pdf")
			if j == 'b':
				imgb.save(filename="temp/temp.pdf")
			temp = PdfFileReader(file('temp/temp.pdf','rb'))
			output.addPage(temp.getPage(0))
			outputStream = file("outputa.pdf", "wb")	
			output.write(outputStream)
			outputStream.close()
		print i
	return 0

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import type [as 别名]
def pdf_to_image(pdf, page=1, size=800, file_format='jpeg', quality=80):
    """Creates a image file from pdf file"""
    try:
        pdf.open()
    except Exception as e:
        raise e
    else:
        # do this while the pdf is open
        reader = PyPDF2.PdfFileReader(pdf, strict=False)
        writer = PyPDF2.PdfFileWriter()
        page_content = reader.getPage(page - 1)
        box = page_content.cropBox
        dims = [float(a - b) for a, b in zip(box.upperRight, box.lowerLeft)]
        scaleby = size / max(dims)
        dims = [int(d * scaleby) for d in dims]
        # resize_page(page_content, size)
        writer.addPage(page_content)
        outputStream = BytesIO()
        writer.write(outputStream)
        outputStream.seek(0)
    finally:
        pdf.close()
    # put content of page in a new image
    foreground = WandImage(
        blob=outputStream,
        format='pdf',
        resolution=int(1.6 * 72 * scaleby),
    )
    # make sure the color space is correct.
    # this prevents an occational bug where rgb colours are inverted
    foreground.type = 'truecolormatte'
    foreground.resize(*dims, 25)
    # white background
    background = WandImage(
        width=foreground.width,
        height=foreground.height,
        background=Color('white')
    )
    background.format = file_format
    background.composite(foreground, 0, 0)
    background.compression_quality = quality
    return background

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import type [as 别名]
        pages = 1
        
        image = Image(
            width = imageFromPdf.width,
            height = imageFromPdf.height*pages          
           
        )
        
        for i in range(pages):
            image.composite(
                imageFromPdf.sequence[i],
                top = imageFromPdf.height * i,
                left = 0
            )
            
        image.resize(250,250)
        image.alpha_channel = False
        image.format = 'png'
        print(image.size)
        image.background_color = Color('pink')
        
        image.type = 'grayscale'
        image.caption = file.split('.')[0]
        image.save(filename = fileDirectory+file.split('.')[0]+".png")

        image.clear()
        image.close()

        #display(image)

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import type [as 别名]
# Read in the input image ... i.e., the B&W octal page.
img = Image(filename=backgroundImage)
if invert:
	img.negate()
backgroundWidth = img.width
backgroundHeight = img.height

if swapColors:
	print 'Swapping colors'
	for i in range(0, 8):
		replaceColorsInImage(images[i], Color(matchColor), Color(scanColor))
	replaceColorsInImage(img, Color(scanColor), Color(matchColor))

# Make certain conversions on the background image.
img.type = 'truecolor'
img.alpha_channel = 'activate'

# Determine the range of binsource lines we need to use.  We're guaranteed
# they're all in the binsource lines[] array.
if bankNumber < 4:
	bankNumber = bankNumber ^ 2
startIndex = bankNumber * 4 * 8 * 4 + pageInBank * 4 * 8
endIndex = startIndex + 4 * 8

draw = Drawing()
evilColor = Color("#FF00FF")
extraColor = Color("#FF8000")
draw.stroke_color = evilColor
draw.stroke_width = 4
draw.fill_opacity = 0