Python Image.flop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 flop [as 别名]
    def autorotate_image(in_path, out_path):
        try:
            metadata = pyexiv2.ImageMetadata(in_path)
            metadata.read()
            orient = int(metadata['Exif.Image.Orientation'].value)
        except:
            logger.warn(
                "Image {0} did not have any EXIF rotation, did not rotate."
                .format(in_path))
            return

        img = Image(filename=in_path)
        if orient == 1:
            logger.info("Image {0} is already rotated.".format(in_path))
            shutil.copyfile(in_path, out_path)
            return
        elif orient == 2:
            img.flip()
        elif orient == 3:
            img.rotate(180)
        elif orient == 4:
            img.flop()
        elif orient == 5:
            img.rotate(90)
            img.flip()
        elif orient == 6:
            img.rotate(90)
        elif orient == 7:
            img.rotate(270)
            img.flip()
        elif orient == 8:
            img.rotate(270)
        img.save(filename=out_path)

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
def main():
    req_width = 595
    req_height = 486
    baby_img = Image(filename="baby_cc_sh.png")
    baby_img = resize_to_height(baby_img, req_height)

    baby_img.flop()

    full_img = new_blank_png(req_width, req_height)
    full_img.composite(baby_img, 0, 0)

    display(full_img)

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
class Character:
    def __init__(self, name, text):
        self.avatar = None
        self.name = name
        self.text = [text]
        self.x = 0
        self.y = 0

    def set_avatar(self, file):
        self.avatar = file
        self.img = Image(filename='/home/donginger/donginger/development/plugins/py_toon/characters/' + self.avatar)

    def place(self):
        self.img.x = self.x
        self.img.y = self.y

    def flip(self):
        self.img.flop()

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
def main():

    # Resize image to height (but do not change the aspect ratio)
    #
    req_width = 595
    req_height = 486
    baby_img = Image(filename="baby_cc_sh.png")
    baby_img = resize_to_height(baby_img, req_height)

    # For this particular image, reflect image along vertical
    # axis to have face directed towards right of page.
    #
    baby_img.flop()

    # Create the the gradient transition that will later be used
    # in the opacity mask.
    #
    gradient_blob = create_gradient_blob(req_height, 75, gradient([
        (1.0, (0x00, 0x00, 0x00), (0xFF, 0xFF, 0xFF)), # top
    ]))
    gradient_img = Image(blob=gradient_blob)
    gradient_img.rotate(90.0)

    # When building the opacity mask, must start with an image
    # having a solid colour (i.e., begin as a "matte" image).
    # Without this, the later "composite_channel" operations
    # will simply not work.
    #
    opacity_mask = new_blank_png(req_width, req_height, color=Color('white'))
    white_field = new_blank_png(230, req_height, Color('white'))
    black_field = new_blank_png(290, req_height, Color('black'))
    opacity_mask.composite(white_field, 0, 0)
    opacity_mask.composite(black_field, 230+75, 0)
    opacity_mask.composite(gradient_img, 230, 0)

    # Now take the resized baby image and have it fade to the right
    # (in order to blend with later operations).
    #
    full_img = new_blank_png(req_width, req_height)
    full_img.composite(baby_img, 0, 0)
    full_img.composite_channel(channel='all_channels', image=opacity_mask, operator='copy_opacity')

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
    def reorient_image(cls, contents):
        try:
            handler = ImageHandler(blob=contents)
        except IOError:
            return contents
        orientation = handler.metadata.get('exif:Orientation')
        if not orientation:
            return contents

        {
            1: lambda: handler,
            2: lambda: handler.flop(),
            3: lambda: handler.rotate(180),
            4: lambda: handler.flip(),
            5: lambda: handler.flip().rotate(90),
            6: lambda: handler.rotate(90),
            7: lambda: handler.flop().rotate(90),
            8: lambda: handler.rotate(270),
        }[int(orientation)]()

        return handler.make_blob()

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
    def autorotate_image(in_path, out_path):
        """ Rotate an image according to its EXIF orientation tag.

        :param in_path:     Path to image that should be rotated
        :type in_path:      unicode
        :param out_path:    Path where rotated image should be written to
        :type out_path:     unicode
        """
        try:
            metadata = pyexiv2.ImageMetadata(in_path)
            metadata.read()
            orient = int(metadata['Exif.Image.Orientation'].value)
        except:
            logger.warn(
                "Image {0} did not have any EXIF rotation, did not rotate."
                .format(in_path))
            return

        img = Image(filename=in_path)
        if orient == 1:
            logger.info("Image {0} is already rotated.".format(in_path))
            shutil.copyfile(in_path, out_path)
            return
        elif orient == 2:
            img.flip()
        elif orient == 3:
            img.rotate(180)
        elif orient == 4:
            img.flop()
        elif orient == 5:
            img.rotate(90)
            img.flip()
        elif orient == 6:
            img.rotate(90)
        elif orient == 7:
            img.rotate(270)
            img.flip()
        elif orient == 8:
            img.rotate(270)
        img.save(filename=out_path)

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
def process_upload(upload, collection='uploads', image_size=(1280, 720),
                   thumbnail=True):
    """Processes the uploaded images in the posts and also the users avatars.
    This should be extensible in future to support the uploading of videos,
    audio, etc...

    :param _id: The ID for the post, user or anything you want as the filename
    :type _id: str
    :param upload: The uploaded Werkzeug FileStorage object
    :type upload: ``Werkzeug.datastructures.FileStorage``
    :param collection: The GridFS collection to upload the file too.
    :type collection: str
    :param image_size: The max height and width for the upload
    :type image_size: Tuple length 2 of int
    :param thumbnail: Is the image to have it's aspect ration kept?
    :type thumbnail: bool
    """
    try:
        # StringIO to take the uploaded image to transport to GridFS
        output = io.BytesIO()

        # All images are passed through Wand and turned in to PNG files.
        # Unless the image is a GIF and its format is kept
        # Will change if they need thumbnailing or resizing.
        img = Image(file=upload)

        # If the input file if a GIF then we need to know
        gif = True if img.format == 'GIF' else False
        animated_gif = True if gif and len(img.sequence) > 1 else False

        # Check the exif data.
        # If there is an orientation then transform the image so that
        # it is always looking up.
        try:
            exif_data = {
                k[5:]: v
                for k, v in img.metadata.items()
                if k.startswith('exif:')
            }

            orientation = exif_data.get('Orientation')

            orientation = int(orientation)

            if orientation:  # pragma: no branch
                if orientation == 2:
                    img.flop()
                elif orientation == 3:
                    img.rotate(180)
                elif orientation == 4:
                    img.flip()
                elif orientation == 5:
                    img.flip()
                    img.rotate(90)
                elif orientation == 6:
                    img.rotate(90)
                elif orientation == 7:
                    img.flip()
                    img.rotate(270)
                elif orientation == 8:
                    img.rotate(270)

        except (AttributeError, TypeError, AttributeError):
            pass

        if thumbnail:
            # If the GIF was known to be animated then save the animated
            # then cycle through the frames, transforming them and save the
            # output
            if animated_gif:
                animated_image = Image()
                for frame in img.sequence:
                    frame.transform(resize='{0}x{1}>'.format(*image_size))
                    # Directly append the frame to the output image
                    animated_image.sequence.append(frame)

                animated_output = io.BytesIO()
                animated_output.format = 'GIF'
                animated_image.save(file=animated_output)
                animated_output.seek(0)

            img.transform(resize='{0}x{1}>'.format(*image_size))
        else:
            # Just sample the image to the correct size
            img.sample(*image_size)
            # Turn off animated GIF
            animated_gif = False

        img.format = 'PNG'
        uuid = get_uuid()
        filename = '{0}.{1}'.format(uuid, 'png')

        # Return the file pointer to the start
        img.save(file=output)
        output.seek(0)

        # Place file inside GridFS
        m.save_file(filename, output, base=collection)

        animated_filename = ''
#.........这里部分代码省略.........

# 需要导入模块: from wand.image import Image [as 别名]
# 或者: from wand.image.Image import flop [as 别名]
def slice02():
    # Resize image to height (but do not change the aspect ratio)
    #
    req_width = 595
    req_height = 486
    baby_img = Image(filename=IMAGE_PATH + "baby_cc_sh.png")
    baby_img = resize_to_height(baby_img, req_height)

    # For this particular image, reflect image along vertical
    # axis to have face directed towards right of page.
    #
    baby_img.flop()

    # Create the the gradient transition that will later be used
    # in the opacity mask.
    #
    gradient_blob = create_gradient_blob(req_height, 75, gradient([
        (1.0, (0x00, 0x00, 0x00), (0xFF, 0xFF, 0xFF)), # top
    ]))
    gradient_img = Image(blob=gradient_blob)
    gradient_img.rotate(90.0)

    # When building the opacity mask, must start with an image
    # having a solid colour (i.e., begin as a "matte" image).
    # Without this, the later "composite_channel" operations
    # will simply not work.
    #
    opacity_mask = new_blank_png(req_width, req_height, color=Color('white'))
    left_field = new_blank_png(230, req_height, Color('white'))
    right_field = new_blank_png(290, req_height, Color('black'))
    opacity_mask.composite(left_field, 0, 0)
    opacity_mask.composite(right_field, 230+75, 0)
    opacity_mask.composite(gradient_img, 230, 0)

    # Now take the resized baby image and have it fade to the right
    # (in order to blend with later operations).
    #
    face_img = new_blank_png(req_width, req_height)
    face_img.composite(baby_img, 0, 0)
    face_img.composite_channel(channel='all_channels', image=opacity_mask, 
        operator='copy_opacity')

    # Bring in the illustrative image that will eventually be blended in
    # with the child's face.
    #
    accent_img = Image(filename = IMAGE_PATH + "funky_illustration.png")
    accent_img = resize_to_percent(accent_img, 60)
    accent_img = resize_to_height(accent_img, 486)

    cropped_img = accent_img.clone()
    cropped_img.crop(top=0, left=275, width=340, height=486)
    screen_img = new_blank_png(340, 486, color=Color('rgb(150,150,150)'))
    cropped_img.composite_channel(channel='all_channels', image=screen_img, 
        operator='screen')

    accent_img = new_blank_png(req_width, req_height)
    accent_img.composite_channel(channel='all_channels', image=cropped_img, 
        operator='over', left=255, top=0)
    accent_img.gaussian_blur(3.0, 1.0)

    opacity_mask = new_blank_png(req_width, req_height, color=Color('white'))
    left_field = new_blank_png(260, req_height, Color('black'))
    right_field = new_blank_png(290, req_height, Color('white'))
    opacity_mask.composite(left_field, 0, 0)
    opacity_mask.composite(right_field, 260+75, 0)
    gradient_img.rotate(180)
    opacity_mask.composite(gradient_img, 260, 0)
    accent_img.composite_channel(channel='all_channels', image=opacity_mask, 
        operator='copy_opacity')

    # Now layer the accent image with the child's face
    #
    accent_img.composite_channel(channel='all_channels', image=face_img,
        operator='over')
    full_slice = accent_img 

    # Finally, add the text field on the right of the image.
    #
    text_field = new_blank_png(212, req_height, color=Color('rgb(190,30,45)'))
    text_field_mask = new_blank_png(212, req_height, color=Color('rgb(220,220,220)'))
    text_field.composite_channel(channel='all_channels', image=text_field_mask, 
        operator='copy_opacity')
    full_slice.composite(text_field, 384, 0)

    draw = Drawing()
    draw.font = FONT_BOLD
    draw.font_size = 24
    draw.fill_color = Color('white')
    draw.text(395, 175, "Liam Mulcahy")
    draw.font = FONT_REGULAR
    draw.font_size = 20
    draw.text(395, 200, "Eyes to the Future")
    draw.font = FONT_ITALIC
    draw.font_size = 20
    draw.text(395, 250, 'How dreams of')
    draw.text(395, 275, 'future enterprise')
    draw.text(395, 300, 'success are')
    draw.text(395, 325, 'starting while still')
    draw.text(395, 350, 'in nappies!')
    draw(full_slice)
#.........这里部分代码省略.........