WebPImage Class

Summary: Manipulate WebP raster images with our API, using its modern features for both
lossless and lossy compression, ensuring optimal image quality with reduced file sizes.
Seamlessly handle extended file formats, animations, and alpha channels, while easily
updating dimensions, resizing proportionally, cropping, rotating, applying filters,
adjusting image parameters, and converting to other image formats for versatile
web image optimization.

Module: aspose.imaging.fileformats.webp

Full Name: aspose.imaging.fileformats.webp.WebPImage

Inheritance: IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadata, IMultipageImage, IMultipageImageExt, RasterCachedMultipageImage

Constructors

Name	Description
WebPImage(path)	Instantiate a fresh instance of the WebPImage class, initialized from a provided file source. Utilize this constructor to seamlessly create WebP image objects directly from files, streamlining the process of loading and manipulating WebP image data within your application.
WebPImage(path, load_options)	Create a new instance of the WebPImage class using a file and specified load options, facilitating flexible handling of WebP image data. Utilize this constructor to seamlessly initialize WebP image objects from files while customizing loading parameters according to your application’s requirements.
WebPImage(raster_image)	Instantiate a new instance of the WebPImage class, initialized from a provided rasterImage object. This constructor allows for seamless conversion of raster images to WebP format, enabling efficient handling and manipulation of image data within your application.
WebPImage(raster_image, load_options)	Create a new instance of the WebPImage class using a rasterImage object and specified load options, enabling flexible handling of image data. Utilize this constructor to seamlessly initialize WebP image objects from raster images while customizing loading parameters according to your application’s requirements.
WebPImage(stream)	Instantiate a new instance of the WebPImage class, initialized from a provided stream source. Utilize this constructor to seamlessly create WebP image objects directly from streams, enabling efficient handling and manipulation of WebP image data within your application.
WebPImage(stream, load_options)	Create a new instance of the WebPImage class using a stream and specified load options, facilitating versatile handling of WebP image data. Incorporate this constructor to seamlessly initialize WebP image objects from streams while customizing loading parameters as needed within your application.
WebPImage(width, height, options)	Instantiate a new instance of the WebPImage class with an empty image of specified width and height dimensions. This constructor allows for the creation of blank WebP images, providing a foundation for subsequent image manipulation and content generation within your application.
WebPImage(width, height, options, load_options)	Create a new instance of the WebPImage class with an empty image and specified load options. This constructor allows for the initialization of WebP images with customizable loading parameters, providing flexibility in image creation and manipulation within your application.

Properties

Name	Type	Access	Description
auto_adjust_palette	bool	r/w	Gets or sets a value indicating whether automatic adjust palette.
background_color	Color	r/w	Gets or sets a value for the background color.
bits_per_pixel	int	r	Gets the image bits per pixel count.
bounds	Rectangle	r	Gets the object bounds.
buffer_size_hint	int	r/w	Gets or sets the buffer size hint which is defined max allowed size for all internal buffers.
container	Image	r	Gets the Image container.
data_stream_container	StreamContainer	r	Gets the object’s data stream.
disposed	bool	r	Gets a value indicating whether this instance is disposed.
file_format	FileFormat	r	Access the file format value associated with the image, providing information about the format in which the image is stored. Utilize this property to determine the file format of the image, facilitating compatibility checks and format-specific processing within your application.
has_alpha	bool	r	Retrieve whether the image contains an alpha channel, indicating the presence of transparency information. Utilize this property to determine whether the image includes transparency, enabling appropriate handling and processing of alpha-related operations within your application.
has_background_color	bool	r/w	Gets or sets a value indicating whether image has background color.
has_transparent_color	bool	r/w	Gets a value indicating whether image has transparent color.
height	int	r	Gets the image height.
horizontal_resolution	double	r/w	Gets or sets the horizontal resolution, in pixels per inch, of this RasterImage.
image_opacity	float	r	Gets opacity of this image.
interrupt_monitor	InterruptMonitor	r/w	Gets or sets the interrupt monitor.
is_cached	bool	r	Gets a value indicating whether image data is cached currently.
is_raw_data_available	bool	r	Gets a value indicating whether raw data loading is supported.
options	WebPOptions	r	Retrieve or modify the options associated with the specified property, enabling fine-tuned customization of behavior and settings. Utilize this property to seamlessly access and manipulate configurable parameters, facilitating versatile control and optimization within your application’s functionality.
page_count	int	r	Retrieve the total count of pages within the specified document, facilitating efficient navigation and management of multi-page content. Incorporate this functionality to enhance user experience, enabling seamless access to comprehensive document structures.
pages	Image[]	r	Access the WebP blocks within the image, allowing detailed examination or manipulation of the underlying block structure. Utilize this property to analyze or modify individual blocks within the WebP image data, facilitating advanced image processing techniques within your application.
palette	IColorPalette	r/w	Gets or sets the color palette. The color palette is not used when pixels are represented directly.
premultiply_components	bool	r/w	Gets or sets a value indicating whether the image components must be premultiplied.
raw_custom_color_converter	IColorConverter	r/w	Gets or sets the custom color converter
raw_data_format	PixelDataFormat	r	Gets the raw data format.
raw_data_settings	RawDataSettings	r	Gets the current raw data settings. Note when using these settings the data loads without conversion.
raw_fallback_index	int	r/w	Gets or sets the fallback index to use when palette index is out of bounds
raw_indexed_color_converter	IIndexedColorConverter	r/w	Gets or sets the indexed color converter
raw_line_size	int	r	Gets the raw line size in bytes.
size	Size	r	Gets the object size.
transparent_color	Color	r/w	Gets the image transparent color.
update_xmp_data	bool	r/w	Gets or sets a value indicating whether to update the XMP metadata.
use_palette	bool	r	Gets a value indicating whether the image palette is used.
use_raw_data	bool	r/w	Gets or sets a value indicating whether to use raw data loading when the raw data loading is available.
vertical_resolution	double	r/w	Gets or sets the vertical resolution, in pixels per inch, of this RasterImage.
width	int	r	Gets the image width.
xmp_data	XmpPacketWrapper	r/w	Gets or sets XMP data from frame.

Methods

Name	Description
add_block(block)	Incorporate a new WebP block into the image, enriching its content and facilitating advanced image manipulation. Integrate this method to dynamically enhance the structure and complexity of the WebP image data within your application, enabling precise control and optimization of image rendering.
add_page(page)	Append a new page to the image, expanding its content and accommodating additional visual elements. Integrate this method to facilitate dynamic page management within your application, enabling seamless creation and augmentation of multi-page documents or images.
adjust_brightness(brightness)	Implement brightness adjustment for the image, allowing the modification of overall luminance levels. Incorporate this method into your image processing workflow to enhance visibility and improve the visual quality of images within your application.
adjust_contrast(contrast)	Enhance the contrast of the Image, amplifying the differences between light and dark areas. Integrate this method into your image processing workflow to improve visual clarity and overall image quality within your application.
adjust_gamma(gamma)	Apply gamma correction to the image, adjusting pixel intensities to achieve desired brightness and color balance. Incorporate this method into your image processing workflow to enhance visual quality and improve the accuracy of subsequent analysis or display tasks within your application.
adjust_gamma(gamma_red, gamma_green, gamma_blue)	Perform gamma correction on the image using individual coefficients for the red, green, and blue channels, allowing for fine-tuned adjustments of color balance and contrast. Integrate this method into your image processing pipeline to achieve precise control over color rendering and enhance visual fidelity within your application.
binarize_bradley(brightness_difference)	Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding
binarize_bradley(brightness_difference, window_size)	Apply binarization to the image using Bradley’s adaptive thresholding algorithm with integral image thresholding. This method dynamically computes local thresholds based on the image’s neighborhood, enhancing adaptability to varying lighting conditions and ensuring robust segmentation for subsequent processing tasks within your application.
binarize_fixed(threshold)	Perform binarization on the image using a predefined threshold value, converting it into a binary image where pixels are classified as foreground or background based on their intensity relative to the threshold. Integrate this method into your image processing workflow to facilitate segmentation and feature extraction tasks, enhancing the accuracy and efficiency of subsequent analysis within your application.
binarize_otsu()	Perform binarization on the image using Otsu’s thresholding method, automatically determining the optimal threshold value based on the image’s histogram. Integrate this method into your image processing workflow to achieve effective segmentation and feature extraction, enhancing the accuracy and reliability of image analysis tasks within your application.
blend(origin, overlay, overlay_alpha)	Blends this image instance with the overlay image.
blend(origin, overlay, overlay_area, overlay_alpha)	Blends this image instance with the overlay image.
cache_data()	Caches the data private.
can_load(file_path)	Determines whether image can be loaded from the specified file path.
can_load(file_path, load_options)	Determines whether image can be loaded from the specified file path and optionally using the specified open options.
can_load(stream)	Determines whether image can be loaded from the specified stream.
can_load(stream, load_options)	Determines whether image can be loaded from the specified stream and optionally using the specified loadOptions.
can_load_stream(stream)	Determines whether image can be loaded from the specified stream.
can_load_stream_with_options(stream, load_options)	Determines whether image can be loaded from the specified stream and optionally using the specified loadOptions.
can_load_with_options(file_path, load_options)	Determines whether image can be loaded from the specified file path and optionally using the specified open options.
can_save(options)	Determines whether image can be saved to the specified file format represented by the passed save options.
clear_blocks()	Clear all existing WebP blocks from the image, facilitating a clean slate for subsequent modifications or additions. Utilize this method to effectively reset the block structure within the WebP image data, ensuring optimal management and organization of image content within your application.
create(files)	Creates the specified files.
create(files, throw_exception_on_load_error)	Creates the specified files.
create(image_options, width, height)	Creates a new image using the specified create options.
create(images)	Creates a new image using the specified images as pages
create(images, dispose_images)	Creates a new image the specified images as pages.
create(multipage_create_options)	Creates the specified multipage create options.
create_from_file_with_options(path, load_options)	Initializes a new instance of the WebPImage class from file.
create_from_image(raster_image)	Initializes a new instance of the WebPImage class from rasterImage.
create_from_image_with_options(raster_image, load_options)	Initializes a new instance of the WebPImage class from rasterImage.
create_from_stream(stream)	Initializes a new instance of the WebPImage class from stream.
create_from_stream_with_options(stream, load_options)	Initializes a new instance of the WebPImage class from stream.
crop(left_shift, right_shift, top_shift, bottom_shift)	Crop the image by applying left, right, top, and bottom shifts, effectively selecting a region of interest within the image. Utilize this method to dynamically extract desired portions of the image while adjusting its composition and focus according to your application’s requirements.
crop(rectangle)	Crop the image using a specified rectangle region, removing unwanted portions while retaining the desired content. Integrate this method into your image processing workflow to precisely extract and focus on specific areas of interest within the image, enhancing clarity and composition for various applications.
dither(dithering_method, bits_count)	Performs dithering on the current image.
dither(dithering_method, bits_count, custom_palette)	Perform dithering on the current image to reduce color banding and enhance visual quality. Integrate this method into your image processing workflow to achieve smoother transitions between colors and improve the overall appearance of the image within your application.
filter(rectangle, options)	Filter the content within the specified rectangle, applying a designated image processing filter to enhance or modify the selected region. Integrate this method into your image manipulation workflow to achieve targeted enhancements or transformations within your application.
get_argb_32_pixel(x, y)	Gets an image 32-bit ARGB pixel.
get_default_argb_32_pixels(rectangle)	Gets the default 32-bit ARGB pixels array.
get_default_options(args)	Gets the default options.
get_default_pixels(rectangle, partial_pixel_loader)	Gets the default pixels array using partial pixel loader.
get_default_raw_data(rectangle, partial_raw_data_loader, raw_data_settings)	Gets the default raw data array using partial pixel loader.
get_default_raw_data(rectangle, raw_data_settings)	Gets the default raw data array.
get_file_format(file_path)	Gets the file format.
get_file_format(stream)	Gets the file format.
get_file_format_of_stream(stream)	Gets the file format.
get_fitting_rectangle(rectangle, pixels, width, height)	Gets rectangle which fits the current image.
get_fitting_rectangle(rectangle, width, height)	Gets rectangle which fits the current image.
get_modify_date(use_default)	Gets the date and time the resource image was last modified.
get_original_options()	Gets the options based on the original file settings. This can be helpful to keep bit-depth and other parameters of the original image unchanged. For example, if we load a black-white PNG image with 1 bit per pixel and then save it using the DataStreamSupporter.save(file_path) method, the output PNG image with 8-bit per pixel will be produced. To avoid it and save PNG image with 1-bit per pixel, use this method to get corresponding saving options and pass them to the Image.save(file_path, options) method as the second parameter.
get_pixel(x, y)	Gets an image pixel.
get_proportional_height(width, height, new_width)	Gets a proportional height.
get_proportional_width(width, height, new_height)	Gets a proportional width.
get_serialized_stream(image_options, clipping_rectangle, page_number)	Converts to aps.
get_skew_angle()	Gets the skew angle. This method is applicable to scanned text documents, to determine the skew angle when scanning.
grayscale()	Convert the image to its grayscale representation, transforming it into a single-channel image where each pixel represents intensity or luminance. Integrate this method into your image processing pipeline to simplify analysis and enhance compatibility with grayscale-based algorithms, facilitating various computer vision and image analysis tasks within your application.
insert_block(index, block)	Insert a new WebP block at the specified index within the image, enabling precise control over the block sequence. Integrate this method to seamlessly incorporate additional WebP blocks into the image data structure, facilitating advanced image processing and optimization within your application.
load(file_path)	Loads a new image from the specified file path or URL. If filePath is a file path the method just opens the file. If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.
load(file_path, load_options)	Loads a new image from the specified file path or URL. If filePath is a file path the method just opens the file. If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.
load(stream)	Loads a new image from the specified stream.
load(stream, load_options)	Loads the data from stream.
load_argb_32_pixels(rectangle)	Loads 32-bit ARGB pixels.
load_argb_64_pixels(rectangle)	Loads 64-bit ARGB pixels.
load_cmyk_32_pixels(rectangle)	Loads pixels in CMYK format.
load_cmyk_pixels(rectangle)	Loads pixels in CMYK format. This method is deprecated. Please use more effective the RasterImage.load_cmyk_32_pixels(rectangle) method.
load_partial_argb_32_pixels(rectangle, partial_pixel_loader)	Loads 32-bit ARGB pixels partially (by blocks).
load_partial_argb_64_pixels(rectangle, partial_pixel_loader)	Loads 64-bit ARGB pixels partially by packs.
load_partial_pixels(desired_rectangle, pixel_loader)	Loads pixels partially by packs.
load_pixels(rectangle)	Loads pixels.
load_raw_data(rectangle, dest_image_bounds, raw_data_settings, raw_data_loader)	Loads raw data.
load_raw_data(rectangle, raw_data_settings, raw_data_loader)	Loads raw data.
load_stream(stream)	Loads a new image from the specified stream.
load_stream_with_options(stream, load_options)	Loads a new image from the specified stream.
load_with_options(file_path, load_options)	Loads a new image from the specified file path or URL. If filePath is a file path the method just opens the file. If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.
normalize_angle()	Normalizes the angle. This method is applicable to scanned text documents to get rid of the skewed scan. This method uses RasterImage.get_skew_angle() and RasterImage.rotate(angle) methods.
normalize_angle(resize_proportionally, background_color)	Normalizes the angle. This method is applicable to scanned text documents to get rid of the skewed scan. This method uses RasterImage.get_skew_angle() and RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color) methods.
read_argb_32_scan_line(scan_line_index)	Reads the whole scan line by the specified scan line index.
read_scan_line(scan_line_index)	Reads the whole scan line by the specified scan line index.
remove_block(block)	Remove the specified WebP block from the image, facilitating efficient management of image data structure. Utilize this method to streamline image processing workflows by eliminating unnecessary blocks or components within your application.
remove_metadata()	Removes this image instance metadata by setting this IHasXmpData.xmp_data value to None.
replace_argb(old_color_argb, old_color_diff, new_color_argb)	Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.
replace_color(old_color, old_color_diff, new_color)	Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.
replace_color(old_color_argb, old_color_diff, new_color_argb)	Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.
replace_non_transparent_colors(new_color)	Replaces all non-transparent colors with new color and preserves original alpha value to save smooth edges. Note: if you use it on images without transparency, all colors will be replaced with a single one.
replace_non_transparent_colors(new_color_argb)	Replaces all non-transparent colors with new color and preserves original alpha value to save smooth edges. Note: if you use it on images without transparency, all colors will be replaced with a single one.
resize(new_width, new_height)	Resizes the image. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.
resize(new_width, new_height, resize_type)	Resizes the image.
resize(new_width, new_height, settings)	Resizes the image.
resize_by_settings(new_width, new_height, settings)	Resizes the image.
resize_by_type(new_width, new_height, resize_type)	Resizes the image.
resize_height_proportionally(new_height)	Resizes the height proportionally. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.
resize_height_proportionally(new_height, resize_type)	Adjust the height of the image proportionally, while preserving its aspect ratio for consistent resizing. Integrate this method into your image processing workflow to dynamically resize images with uniform proportions, ensuring optimal display or storage within your application.
resize_height_proportionally(new_height, settings)	Resizes the height proportionally.
resize_height_proportionally_settings(new_height, settings)	Resizes the height proportionally.
resize_width_proportionally(new_width)	Resizes the width proportionally. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.
resize_width_proportionally(new_width, resize_type)	Proportionally adjust the width of the image while maintaining its aspect ratio. Integrate this method into your image processing workflow to dynamically resize images with consistent proportions, ensuring optimal display or storage within your application.
resize_width_proportionally(new_width, settings)	Resizes the width proportionally.
resize_width_proportionally_settings(new_width, settings)	Resizes the width proportionally.
rotate(angle)	Rotate image around the center.
rotate(angle, resize_proportionally, background_color)	Rotate the image around its center by a specified angle, while proportionally resizing it and applying specified background color parameters. Incorporate this method into your image processing workflow to achieve precise transformations with customizable background colors, ensuring optimal visual presentation within your application.
rotate_flip(rotate_flip_type)	Apply rotation, flipping, or both operations exclusively to the active frame within the image. Integrate this method into your image processing workflow to achieve precise manipulation of individual frames, enhancing flexibility and control over frame transformations within your application.
rotate_flip_all(rotate_flip)	Rotates the flip all.
save()	Saves the image data to the underlying stream.
save(file_path)	Saves the image to the specified file location.
save(file_path, options)	Saves the object’s data to the specified file location in the specified file format according to save options.
save(file_path, options, bounds_rectangle)	Saves the object’s data to the specified file location in the specified file format according to save options.
save(file_path, over_write)	Saves the object’s data to the specified file location.
save(stream)	Saves the data.
save(stream, options_base)	Saves the image’s data to the specified stream in the specified file format according to save options.
save(stream, options_base, bounds_rectangle)	Saves the image’s data to the specified stream in the specified file format according to save options.
save_argb_32_pixels(rectangle, pixels)	Saves the 32-bit ARGB pixels.
save_cmyk_32_pixels(rectangle, pixels)	Saves the pixels.
save_cmyk_pixels(rectangle, pixels)	Saves the pixels. This method is deprecated. Please use more effective the RasterImage.save_cmyk_32_pixels(rectangle, pixels) method.
save_pixels(rectangle, pixels)	Saves the pixels internal main.
save_raw_data(data, data_offset, rectangle, raw_data_settings)	Saves the raw data.
save_to_stream(stream)	Saves the object’s data to the specified stream.
save_to_stream_with_options(stream, options_base)	Saves the image’s data to the specified stream in the specified file format according to save options.
save_to_stream_with_options_rect(stream, options_base, bounds_rectangle)	Saves the image’s data to the specified stream in the specified file format according to save options.
save_with_options(file_path, options)	Saves the object’s data to the specified file location in the specified file format according to save options.
save_with_options_rect(file_path, options, bounds_rectangle)	Saves the object’s data to the specified file location in the specified file format according to save options.
set_argb_32_pixel(x, y, argb_32_color)	Sets an image 32-bit ARGB pixel for the specified position.
set_palette(palette, update_colors)	Sets the image palette.
set_pixel(x, y, color)	Sets an image pixel for the specified position.
set_resolution(dpi_x, dpi_y)	Sets the resolution for this RasterImage.
write_argb_32_scan_line(scan_line_index, argb_32_pixels)	Writes the whole scan line to the specified scan line index.
write_scan_line(scan_line_index, pixels)	Writes the whole scan line to the specified scan line index.

Constructor: WebPImage(path)

 WebPImage(path) 

Instantiate a fresh instance of the WebPImage class, initialized
from a provided file source. Utilize this constructor to seamlessly create WebP
image objects directly from files, streamlining the process of loading and
manipulating WebP image data within your application.

Parameters:

Parameter	Type	Description
path	string	The path to file WebP Image

See also:

Example # 1: This example shows how to load a WebP image from a file and save it to PNG.

Constructor: WebPImage(path, load_options)

 WebPImage(path, load_options) 

Create a new instance of the WebPImage class using a file and
specified load options, facilitating flexible handling of WebP image data. Utilize
this constructor to seamlessly initialize WebP image objects from files while
customizing loading parameters according to your application’s requirements.

Parameters:

Parameter	Type	Description
path	string	The path to file WebP Image
load_options	LoadOptions	The load options.

Constructor: WebPImage(raster_image)

 WebPImage(raster_image) 

Instantiate a new instance of the WebPImage class, initialized
from a provided rasterImage object. This constructor allows for seamless
conversion of raster images to WebP format, enabling efficient handling and
manipulation of image data within your application.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The raster image.

Constructor: WebPImage(raster_image, load_options)

 WebPImage(raster_image, load_options) 

Create a new instance of the WebPImage class using a rasterImage object and
specified load options, enabling flexible handling of image data. Utilize this
constructor to seamlessly initialize WebP image objects from raster images while
customizing loading parameters according to your application’s requirements.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The raster image.
load_options	LoadOptions	The load options.

Constructor: WebPImage(stream)

 WebPImage(stream) 

Instantiate a new instance of the WebPImage class, initialized
from a provided stream source. Utilize this constructor to seamlessly create WebP
image objects directly from streams, enabling efficient handling and manipulation
of WebP image data within your application.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream WebP image.

See also:

Example # 1: This example shows how to load a WebP image from a file stream and save it to…

Constructor: WebPImage(stream, load_options)

 WebPImage(stream, load_options) 

Create a new instance of the WebPImage class using a stream and
specified load options, facilitating versatile handling of WebP image data.
Incorporate this constructor to seamlessly initialize WebP image objects from
streams while customizing loading parameters as needed within your application.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream WebP image.
load_options	LoadOptions	The load options.

Constructor: WebPImage(width, height, options)

 WebPImage(width, height, options) 

Instantiate a new instance of the WebPImage class with an empty
image of specified width and height dimensions. This constructor allows for the
creation of blank WebP images, providing a foundation for subsequent image
manipulation and content generation within your application.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height.
options	WebPOptions	The options.

Constructor: WebPImage(width, height, options, load_options)

 WebPImage(width, height, options, load_options) 

Create a new instance of the WebPImage class with an empty image and specified
load options. This constructor allows for the initialization of WebP images with
customizable loading parameters, providing flexibility in image creation and
manipulation within your application.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height.
options	WebPOptions	The options.
load_options	LoadOptions	The load options.

Method: add_block(block)

 add_block(block) 

Incorporate a new WebP block into the image, enriching its content and
facilitating advanced image manipulation. Integrate this method to dynamically
enhance the structure and complexity of the WebP image data within your
application, enabling precise control and optimization of image rendering.

Parameters:

Parameter	Type	Description
block	IFrame	The Webp block to add.

Method: add_page(page)

 add_page(page) 

Append a new page to the image, expanding its content and accommodating additional
visual elements. Integrate this method to facilitate dynamic page management
within your application, enabling seamless creation and augmentation of multi-page
documents or images.

Parameters:

Parameter	Type	Description
page	RasterImage	The page to add.

Method: adjust_brightness(brightness)

 adjust_brightness(brightness) 

Implement brightness adjustment for the image, allowing the
modification of overall luminance levels. Incorporate this method into your image
processing workflow to enhance visibility and improve the visual quality of images
within your application.

Parameters:

Parameter	Type	Description
brightness	int	Brightness value.

Method: adjust_contrast(contrast)

 adjust_contrast(contrast) 

Enhance the contrast of the Image, amplifying the
differences between light and dark areas. Integrate this method into your image
processing workflow to improve visual clarity and overall image quality within
your application.

Parameters:

Parameter	Type	Description
contrast	float	Contrast value (in range [-100; 100])

Method: adjust_gamma(gamma)

 adjust_gamma(gamma) 

Apply gamma correction to the image, adjusting pixel intensities to achieve
desired brightness and color balance. Incorporate this method into your image
processing workflow to enhance visual quality and improve the accuracy of
subsequent analysis or display tasks within your application.

Parameters:

Parameter	Type	Description
gamma	float	Gamma for red, green and blue channels coefficient

Method: adjust_gamma(gamma_red, gamma_green, gamma_blue)

 adjust_gamma(gamma_red, gamma_green, gamma_blue) 

Perform gamma correction on the image using individual coefficients for the red,
green, and blue channels, allowing for fine-tuned adjustments of color balance and
contrast. Integrate this method into your image processing pipeline to achieve
precise control over color rendering and enhance visual fidelity within your
application.

Parameters:

Parameter	Type	Description
gamma_red	float	Gamma for red channel coefficient
gamma_green	float	Gamma for green channel coefficient
gamma_blue	float	Gamma for blue channel coefficient

Method: binarize_bradley(brightness_difference)

 binarize_bradley(brightness_difference) 

Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding

Parameters:

Parameter	Type	Description
brightness_difference	double	The brightness difference between pixel and the average of an s x s window of pixels centered around this pixel.

Method: binarize_bradley(brightness_difference, window_size)

 binarize_bradley(brightness_difference, window_size) 

Apply binarization to the image using Bradley’s adaptive thresholding algorithm
with integral image thresholding. This method dynamically computes local
thresholds based on the image’s neighborhood, enhancing adaptability to varying
lighting conditions and ensuring robust segmentation for subsequent processing
tasks within your application.

Parameters:

Parameter	Type	Description
brightness_difference	double	The brightness difference between pixel and the average of an s x s window of pixels centered around this pixel.
window_size	int	The size of s x s window of pixels centered around this pixel

Method: binarize_fixed(threshold)

 binarize_fixed(threshold) 

Perform binarization on the image using a predefined threshold value, converting
it into a binary image where pixels are classified as foreground or background
based on their intensity relative to the threshold. Integrate this method into
your image processing workflow to facilitate segmentation and feature extraction
tasks, enhancing the accuracy and efficiency of subsequent analysis within your
application.

Parameters:

Parameter	Type	Description
threshold	byte	Threshold value. If corresponding gray value of a pixel is greater than threshold, a value of 255 will be assigned to it, 0 otherwise.

Method: blend(origin, overlay, overlay_alpha)

 blend(origin, overlay, overlay_alpha) 

Blends this image instance with the overlay image.

Parameters:

Parameter	Type	Description
origin	Point	The background image blending origin.
overlay	RasterImage	The overlay image.
overlay_alpha	byte	The overlay alpha.

Method: blend(origin, overlay, overlay_area, overlay_alpha)

 blend(origin, overlay, overlay_area, overlay_alpha) 

Blends this image instance with the overlay image.

Parameters:

Parameter	Type	Description
origin	Point	The background image blending origin.
overlay	RasterImage	The overlay image.
overlay_area	Rectangle	The overlay area.
overlay_alpha	byte	The overlay alpha.

Method: can_load(file_path) [static]

 can_load(file_path) 

Determines whether image can be loaded from the specified file path.

Parameters:

Parameter	Type	Description
file_path	string	The file path.

Returns

Type	Description
bool	true if image can be loaded from the specified file; otherwise, false.

Method: can_load(file_path, load_options) [static]

 can_load(file_path, load_options) 

Determines whether image can be loaded from the specified file path and optionally using the specified open options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
load_options	LoadOptions	The load options.

Returns

Type	Description
bool	true if image can be loaded from the specified file; otherwise, false.

Method: can_load(stream) [static]

 can_load(stream) 

Determines whether image can be loaded from the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load from.

Returns

Type	Description
bool	true if image can be loaded from the specified stream; otherwise, false.

Method: can_load(stream, load_options) [static]

 can_load(stream, load_options) 

Determines whether image can be loaded from the specified stream and optionally using the specified loadOptions.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load from.
load_options	LoadOptions	The load options.

Returns

Type	Description
bool	true if image can be loaded from the specified stream; otherwise, false.

Method: can_load_stream(stream) [static]

 can_load_stream(stream) 

Determines whether image can be loaded from the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load from.

Returns

Type	Description
bool	true if image can be loaded from the specified stream; otherwise, false.

Method: can_load_stream_with_options(stream, load_options) [static]

 can_load_stream_with_options(stream, load_options) 

Determines whether image can be loaded from the specified stream and optionally using the specified loadOptions.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load from.
load_options	LoadOptions	The load options.

Returns

Type	Description
bool	true if image can be loaded from the specified stream; otherwise, false.

Method: can_load_with_options(file_path, load_options) [static]

 can_load_with_options(file_path, load_options) 

Determines whether image can be loaded from the specified file path and optionally using the specified open options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
load_options	LoadOptions	The load options.

Returns

Type	Description
bool	true if image can be loaded from the specified file; otherwise, false.

Method: can_save(options)

 can_save(options) 

Determines whether image can be saved to the specified file format represented by the passed save options.

Parameters:

Parameter	Type	Description
options	ImageOptionsBase	The save options to use.

Returns

Type	Description
bool	true if image can be saved to the specified file format represented by the passed save options; otherwise, false.

Method: create(files) [static]

 create(files) 

Creates the specified files.

Parameters:

Parameter	Type	Description
files	string	The files.

Returns

Type	Description
Image	The multipage image

Method: create(files, throw_exception_on_load_error) [static]

 create(files, throw_exception_on_load_error) 

Creates the specified files.

Parameters:

Parameter	Type	Description
files	string	The files.
throw_exception_on_load_error	bool	if set to true [throw exception on load error].

Returns

Type	Description
Image	The multipage image

Method: create(image_options, width, height) [static]

 create(image_options, width, height) 

Creates a new image using the specified create options.

Parameters:

Parameter	Type	Description
image_options	ImageOptionsBase	The image options.
width	int	The width.
height	int	The height.

Returns

Type	Description
Image	The newly created image.

Method: create(images) [static]

 create(images) 

Creates a new image using the specified images as pages

Parameters:

Parameter	Type	Description
images	Image[]	The images.

Returns

Type	Description
Image	The Image as IMultipageImage

Method: create(images, dispose_images) [static]

 create(images, dispose_images) 

Creates a new image the specified images as pages.

Parameters:

Parameter	Type	Description
images	Image[]	The images.
dispose_images	bool	if set to true [dispose images].

Returns

Type	Description
Image	The Image as IMultipageImage

Method: create(multipage_create_options) [static]

 create(multipage_create_options) 

Creates the specified multipage create options.

Parameters:

Parameter	Type	Description
multipage_create_options	MultipageCreateOptions	The multipage create options.

Returns

Type	Description
Image	The multipage image

Method: create_from_file_with_options(path, load_options) [static]

 create_from_file_with_options(path, load_options) 

Initializes a new instance of the WebPImage class from file.

Parameters:

Parameter	Type	Description
path	string	The path to file WebP Image
load_options	LoadOptions	The load options.

Returns

Type	Description
WebPImage

Method: create_from_image(raster_image) [static]

 create_from_image(raster_image) 

Initializes a new instance of the WebPImage class from rasterImage.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The raster image.

Returns

Type	Description
WebPImage

Method: create_from_image_with_options(raster_image, load_options) [static]

 create_from_image_with_options(raster_image, load_options) 

Initializes a new instance of the WebPImage class from rasterImage.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The raster image.
load_options	LoadOptions	The load options.

Returns

Type	Description
WebPImage

Method: create_from_stream(stream) [static]

 create_from_stream(stream) 

Initializes a new instance of the WebPImage class
from stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream WebP image.

Returns

Type	Description
WebPImage

Method: create_from_stream_with_options(stream, load_options) [static]

 create_from_stream_with_options(stream, load_options) 

Initializes a new instance of the WebPImage class from stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream WebP image.
load_options	LoadOptions	The load options.

Returns

Type	Description
WebPImage

Method: crop(left_shift, right_shift, top_shift, bottom_shift)

 crop(left_shift, right_shift, top_shift, bottom_shift) 

Crop the image by applying left, right, top, and bottom shifts, effectively
selecting a region of interest within the image. Utilize this method to
dynamically extract desired portions of the image while adjusting its composition
and focus according to your application’s requirements.

Parameters:

Parameter	Type	Description
left_shift	int	The left shift.
right_shift	int	The right shift.
top_shift	int	The top shift.
bottom_shift	int	The bottom shift.

Method: crop(rectangle)

 crop(rectangle) 

Crop the image using a specified rectangle region, removing unwanted portions
while retaining the desired content. Integrate this method into your image
processing workflow to precisely extract and focus on specific areas of interest
within the image, enhancing clarity and composition for various applications.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle.

Method: dither(dithering_method, bits_count)

 dither(dithering_method, bits_count) 

Performs dithering on the current image.

Parameters:

Parameter	Type	Description
dithering_method	DitheringMethod	The dithering method.
bits_count	int	The final bits count for dithering.

Method: dither(dithering_method, bits_count, custom_palette)

 dither(dithering_method, bits_count, custom_palette) 

Perform dithering on the current image to reduce color banding and enhance visual
quality. Integrate this method into your image processing workflow to achieve
smoother transitions between colors and improve the overall appearance of the
image within your application.

Parameters:

Parameter	Type	Description
dithering_method	DitheringMethod	The dithering method.
bits_count	int	The final bits count for dithering.
custom_palette	IColorPalette	The custom palette for dithering.

Method: filter(rectangle, options)

 filter(rectangle, options) 

Filter the content within the specified rectangle, applying a designated image
processing filter to enhance or modify the selected region. Integrate this method
into your image manipulation workflow to achieve targeted enhancements or
transformations within your application.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle.
options	FilterOptionsBase	The options.

Method: get_argb_32_pixel(x, y)

 get_argb_32_pixel(x, y) 

Gets an image 32-bit ARGB pixel.

Parameters:

Parameter	Type	Description
x	int	The pixel x location.
y	int	The pixel y location.

Returns

Type	Description
int	The 32-bit ARGB pixel for the specified location.

Method: get_default_argb_32_pixels(rectangle)

 get_default_argb_32_pixels(rectangle) 

Gets the default 32-bit ARGB pixels array.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get pixels for.

Returns

Type	Description
int	The default pixels array.

Method: get_default_options(args)

 get_default_options(args) 

Gets the default options.

Parameters:

Parameter	Type	Description
args	object	The arguments.

Returns

Type	Description
ImageOptionsBase	Default options

Method: get_default_pixels(rectangle, partial_pixel_loader)

 get_default_pixels(rectangle, partial_pixel_loader) 

Gets the default pixels array using partial pixel loader.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get pixels for.
partial_pixel_loader	IPartialArgb32PixelLoader	The partial pixel loader.

Method: get_default_raw_data(rectangle, partial_raw_data_loader, raw_data_settings)

 get_default_raw_data(rectangle, partial_raw_data_loader, raw_data_settings) 

Gets the default raw data array using partial pixel loader.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get pixels for.
partial_raw_data_loader	IPartialRawDataLoader	The partial raw data loader.
raw_data_settings	RawDataSettings	The raw data settings.

Method: get_default_raw_data(rectangle, raw_data_settings)

 get_default_raw_data(rectangle, raw_data_settings) 

Gets the default raw data array.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get raw data for.
raw_data_settings	RawDataSettings	The raw data settings.

Returns

Type	Description
byte	The default raw data array.

Method: get_file_format(file_path) [static]

 get_file_format(file_path) 

Gets the file format.

Parameters:

Parameter	Type	Description
file_path	string	The file path.

Returns

Type	Description
FileFormat	The determined file format.

Method: get_file_format(stream) [static]

 get_file_format(stream) 

Gets the file format.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream.

Returns

Type	Description
FileFormat	The determined file format.

Method: get_file_format_of_stream(stream) [static]

 get_file_format_of_stream(stream) 

Gets the file format.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream.

Returns

Type	Description
FileFormat	The determined file format.

Method: get_fitting_rectangle(rectangle, pixels, width, height) [static]

 get_fitting_rectangle(rectangle, pixels, width, height) 

Gets rectangle which fits the current image.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get fitting rectangle for.
pixels	int	The 32-bit ARGB pixels.
width	int	The object width.
height	int	The object height.

Returns

Type	Description
Rectangle	The fitting rectangle or exception if no fitting rectangle can be found.

Method: get_fitting_rectangle(rectangle, width, height) [static]

 get_fitting_rectangle(rectangle, width, height) 

Gets rectangle which fits the current image.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to get fitting rectangle for.
width	int	The object width.
height	int	The object height.

Returns

Type	Description
Rectangle	The fitting rectangle or exception if no fitting rectangle can be found.

Method: get_modify_date(use_default)

 get_modify_date(use_default) 

Gets the date and time the resource image was last modified.

Parameters:

Parameter	Type	Description
use_default	bool	if set to true uses the information from FileInfo as default value.

Returns

Type	Description
datetime	The date and time the resource image was last modified.

Method: get_original_options()

 get_original_options() 

Gets the options based on the original file settings.
This can be helpful to keep bit-depth and other parameters of the original image unchanged.
For example, if we load a black-white PNG image with 1 bit per pixel and then save it using the
DataStreamSupporter.save(file_path) method, the output PNG image with 8-bit per pixel will be produced.
To avoid it and save PNG image with 1-bit per pixel, use this method to get corresponding saving options and pass them
to the Image.save(file_path, options) method as the second parameter.

Returns

Type	Description
ImageOptionsBase	The options based on the original file settings.

Method: get_pixel(x, y)

 get_pixel(x, y) 

Gets an image pixel.

Parameters:

Parameter	Type	Description
x	int	The pixel x location.
y	int	The pixel y location.

Returns

Type	Description
Color	The pixel color for the specified location.

Method: get_proportional_height(width, height, new_width) [static]

 get_proportional_height(width, height, new_width) 

Gets a proportional height.

Parameters:

Parameter	Type	Description
width	int	The width.
height	int	The height.
new_width	int	The new width.

Returns

Type	Description
int	The proportional height.

Method: get_proportional_width(width, height, new_height) [static]

 get_proportional_width(width, height, new_height) 

Gets a proportional width.

Parameters:

Parameter	Type	Description
width	int	The width.
height	int	The height.
new_height	int	The new height.

Returns

Type	Description
int	The proportional width.

Method: get_serialized_stream(image_options, clipping_rectangle, page_number)

 get_serialized_stream(image_options, clipping_rectangle, page_number) 

Converts to aps.

Parameters:

Parameter	Type	Description
image_options	ImageOptionsBase	The image options.
clipping_rectangle	Rectangle	The clipping rectangle.
page_number	int[]	The page number.

Returns

Type	Description
_io.BufferedRandom	The serialized stream

Method: get_skew_angle()

 get_skew_angle() 

Gets the skew angle.
This method is applicable to scanned text documents, to determine the skew angle when scanning.

Returns

Type	Description
float	The skew angle, in degrees.

Method: insert_block(index, block)

 insert_block(index, block) 

Insert a new WebP block at the specified index within the image, enabling precise
control over the block sequence. Integrate this method to seamlessly incorporate
additional WebP blocks into the image data structure, facilitating advanced image
processing and optimization within your application.

Parameters:

Parameter	Type	Description
index	int	The zero-based element, at which block will be inserted.
block	IFrame	The Webp block to add.

Method: load(file_path) [static]

 load(file_path) 

Loads a new image from the specified file path or URL.
If filePath is a file path the method just opens the file.
If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.

Parameters:

Parameter	Type	Description
file_path	string	The file path or URL to load image from.

Returns

Type	Description
Image	The loaded image.

Method: load(file_path, load_options) [static]

 load(file_path, load_options) 

Loads a new image from the specified file path or URL.
If filePath is a file path the method just opens the file.
If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.

Parameters:

Parameter	Type	Description
file_path	string	The file path or URL to load image from.
load_options	LoadOptions	The load options.

Returns

Type	Description
Image	The loaded image.

Method: load(stream) [static]

 load(stream) 

Loads a new image from the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from.

Returns

Type	Description
Image	The loaded image.

Method: load(stream, load_options) [static]

 load(stream, load_options) 

Loads the data from stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream WebP image.
load_options	LoadOptions	The load options

Returns

Type	Description
Image

Method: load_argb_32_pixels(rectangle)

 load_argb_32_pixels(rectangle) 

Loads 32-bit ARGB pixels.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.

Returns

Type	Description
int	The loaded 32-bit ARGB pixels array.

Method: load_argb_64_pixels(rectangle)

 load_argb_64_pixels(rectangle) 

Loads 64-bit ARGB pixels.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.

Returns

Type	Description
long	The loaded 64-bit ARGB pixels array.

Method: load_cmyk_32_pixels(rectangle)

 load_cmyk_32_pixels(rectangle) 

Loads pixels in CMYK format.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.

Returns

Type	Description
int	The loaded CMYK pixels presentes as 32-bit inateger values.

Method: load_cmyk_pixels(rectangle)

 load_cmyk_pixels(rectangle) 

Loads pixels in CMYK format.
This method is deprecated. Please use more effective the RasterImage.load_cmyk_32_pixels(rectangle) method.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.

Returns

Type	Description
CmykColor[]	The loaded CMYK pixels array.

Method: load_partial_argb_32_pixels(rectangle, partial_pixel_loader)

 load_partial_argb_32_pixels(rectangle, partial_pixel_loader) 

Loads 32-bit ARGB pixels partially (by blocks).

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.
partial_pixel_loader	IPartialArgb32PixelLoader	The partial pixel loader.

Method: load_partial_argb_64_pixels(rectangle, partial_pixel_loader)

 load_partial_argb_64_pixels(rectangle, partial_pixel_loader) 

Loads 64-bit ARGB pixels partially by packs.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The desired rectangle.
partial_pixel_loader	IPartialArgb64PixelLoader	The 64-bit ARGB pixel loader.

Method: load_partial_pixels(desired_rectangle, pixel_loader)

 load_partial_pixels(desired_rectangle, pixel_loader) 

Loads pixels partially by packs.

Parameters:

Parameter	Type	Description
desired_rectangle	Rectangle	The desired rectangle.
pixel_loader	IPartialPixelLoader	The pixel loader.

Method: load_pixels(rectangle)

 load_pixels(rectangle) 

Loads pixels.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load pixels from.

Returns

Type	Description
Color[]	The loaded pixels array.

Method: load_raw_data(rectangle, dest_image_bounds, raw_data_settings, raw_data_loader)

 load_raw_data(rectangle, dest_image_bounds, raw_data_settings, raw_data_loader) 

Loads raw data.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load raw data from.
dest_image_bounds	Rectangle	The dest image bounds.
raw_data_settings	RawDataSettings	The raw data settings to use for loaded data. Note if data is not in the format specified then data conversion will be performed.
raw_data_loader	IPartialRawDataLoader	The raw data loader.

Method: load_raw_data(rectangle, raw_data_settings, raw_data_loader)

 load_raw_data(rectangle, raw_data_settings, raw_data_loader) 

Loads raw data.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to load raw data from.
raw_data_settings	RawDataSettings	The raw data settings to use for loaded data. Note if data is not in the format specified then data conversion will be performed.
raw_data_loader	IPartialRawDataLoader	The raw data loader.

Method: load_stream(stream) [static]

 load_stream(stream) 

Loads a new image from the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from.

Returns

Type	Description
Image	The loaded image.

Method: load_stream_with_options(stream, load_options) [static]

 load_stream_with_options(stream, load_options) 

Loads a new image from the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from.
load_options	LoadOptions	The load options.

Returns

Type	Description
Image	The loaded image.

Method: load_with_options(file_path, load_options) [static]

 load_with_options(file_path, load_options) 

Loads a new image from the specified file path or URL.
If filePath is a file path the method just opens the file.
If filePath is an URL, the method downloads the file, stores it as a temporary one, and opens it.

Parameters:

Parameter	Type	Description
file_path	string	The file path or URL to load image from.
load_options	LoadOptions	The load options.

Returns

Type	Description
Image	The loaded image.

Method: normalize_angle(resize_proportionally, background_color)

 normalize_angle(resize_proportionally, background_color) 

Normalizes the angle.
This method is applicable to scanned text documents to get rid of the skewed scan.
This method uses RasterImage.get_skew_angle() and RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color) methods.

Parameters:

Parameter	Type	Description
resize_proportionally	bool	if set to true you will have your image size changed according to rotated rectangle (corner points) projections in other case that leaves dimensions untouched and only internal image contents are rotated.
background_color	Color	Color of the background.

Method: read_argb_32_scan_line(scan_line_index)

 read_argb_32_scan_line(scan_line_index) 

Reads the whole scan line by the specified scan line index.

Parameters:

Parameter	Type	Description
scan_line_index	int	Zero based index of the scan line.

Returns

Type	Description
int	The scan line 32-bit ARGB color values array.

Method: read_scan_line(scan_line_index)

 read_scan_line(scan_line_index) 

Reads the whole scan line by the specified scan line index.

Parameters:

Parameter	Type	Description
scan_line_index	int	Zero based index of the scan line.

Returns

Type	Description
Color[]	The scan line pixel color values array.

Method: remove_block(block)

 remove_block(block) 

Remove the specified WebP block from the image, facilitating efficient management
of image data structure. Utilize this method to streamline image processing
workflows by eliminating unnecessary blocks or components within your application.

Parameters:

Parameter	Type	Description
block	IFrame	The block to remove.

Method: replace_argb(old_color_argb, old_color_diff, new_color_argb)

 replace_argb(old_color_argb, old_color_diff, new_color_argb) 

Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.

Parameters:

Parameter	Type	Description
old_color_argb	int	Old color ARGB value to be replaced.
old_color_diff	byte	Allowed difference in old color to be able to widen replaced color tone.
new_color_argb	int	New color ARGB value to replace old color with.

Method: replace_color(old_color, old_color_diff, new_color)

 replace_color(old_color, old_color_diff, new_color) 

Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.

Parameters:

Parameter	Type	Description
old_color	Color
old_color_diff	byte	Allowed difference in old color to be able to widen replaced color tone.
new_color	Color

Method: replace_color(old_color_argb, old_color_diff, new_color_argb)

 replace_color(old_color_argb, old_color_diff, new_color_argb) 

Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges.

Parameters:

Parameter	Type	Description
old_color_argb	int	Old color ARGB value to be replaced.
old_color_diff	byte	Allowed difference in old color to be able to widen replaced color tone.
new_color_argb	int	New color ARGB value to replace old color with.

Method: replace_non_transparent_colors(new_color)

 replace_non_transparent_colors(new_color) 

Replaces all non-transparent colors with new color and preserves original alpha value to save smooth edges.
Note: if you use it on images without transparency, all colors will be replaced with a single one.

Parameters:

Parameter	Type	Description
new_color	Color

Method: replace_non_transparent_colors(new_color_argb)

 replace_non_transparent_colors(new_color_argb) 

Replaces all non-transparent colors with new color and preserves original alpha value to save smooth edges.
Note: if you use it on images without transparency, all colors will be replaced with a single one.

Parameters:

Parameter	Type	Description
new_color_argb	int	New color ARGB value to replace non transparent colors with.

Method: resize(new_width, new_height)

 resize(new_width, new_height) 

Resizes the image. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
new_height	int	The new height.

Method: resize(new_width, new_height, resize_type)

 resize(new_width, new_height, resize_type) 

Resizes the image.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
new_height	int	The new height.
resize_type	ResizeType	The resize type.

Method: resize(new_width, new_height, settings)

 resize(new_width, new_height, settings) 

Resizes the image.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
new_height	int	The new height.
settings	ImageResizeSettings	The resize settings.

Method: resize_by_settings(new_width, new_height, settings)

 resize_by_settings(new_width, new_height, settings) 

Resizes the image.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
new_height	int	The new height.
settings	ImageResizeSettings	The resize settings.

Method: resize_by_type(new_width, new_height, resize_type)

 resize_by_type(new_width, new_height, resize_type) 

Resizes the image.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
new_height	int	The new height.
resize_type	ResizeType	The resize type.

Method: resize_height_proportionally(new_height)

 resize_height_proportionally(new_height) 

Resizes the height proportionally. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.

Parameters:

Parameter	Type	Description
new_height	int	The new height.

Method: resize_height_proportionally(new_height, resize_type)

 resize_height_proportionally(new_height, resize_type) 

Adjust the height of the image proportionally, while preserving its aspect ratio
for consistent resizing. Integrate this method into your image processing workflow
to dynamically resize images with uniform proportions, ensuring optimal display or
storage within your application.

Parameters:

Parameter	Type	Description
new_height	int	The new height.
resize_type	ResizeType	Type of the resize.

Method: resize_height_proportionally(new_height, settings)

 resize_height_proportionally(new_height, settings) 

Resizes the height proportionally.

Parameters:

Parameter	Type	Description
new_height	int	The new height.
settings	ImageResizeSettings	The image resize settings.

Method: resize_height_proportionally_settings(new_height, settings)

 resize_height_proportionally_settings(new_height, settings) 

Resizes the height proportionally.

Parameters:

Parameter	Type	Description
new_height	int	The new height.
settings	ImageResizeSettings	The image resize settings.

Method: resize_width_proportionally(new_width)

 resize_width_proportionally(new_width) 

Resizes the width proportionally. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.

Parameters:

Parameter	Type	Description
new_width	int	The new width.

Method: resize_width_proportionally(new_width, resize_type)

 resize_width_proportionally(new_width, resize_type) 

Proportionally adjust the width of the image while maintaining its aspect ratio.
Integrate this method into your image processing workflow to dynamically resize
images with consistent proportions, ensuring optimal display or storage within
your application.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
resize_type	ResizeType	Type of the resize.

Method: resize_width_proportionally(new_width, settings)

 resize_width_proportionally(new_width, settings) 

Resizes the width proportionally.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
settings	ImageResizeSettings	The image resize settings.

Method: resize_width_proportionally_settings(new_width, settings)

 resize_width_proportionally_settings(new_width, settings) 

Resizes the width proportionally.

Parameters:

Parameter	Type	Description
new_width	int	The new width.
settings	ImageResizeSettings	The image resize settings.

Method: rotate(angle)

 rotate(angle) 

Rotate image around the center.

Parameters:

Parameter	Type	Description
angle	float	The rotate angle in degrees. Positive values will rotate clockwise.

Method: rotate(angle, resize_proportionally, background_color)

 rotate(angle, resize_proportionally, background_color) 

Rotate the image around its center by a specified angle, while proportionally
resizing it and applying specified background color parameters. Incorporate this
method into your image processing workflow to achieve precise transformations with
customizable background colors, ensuring optimal visual presentation within your
application.

Parameters:

Parameter	Type	Description
angle	float	The rotate angle in degrees. Positive values will rotate clockwise.
resize_proportionally	bool	if set to true you will have your image size changed according to rotated rectangle (corner points) projections in other case that leaves dimensions untouched and only internal image contents are rotated.
background_color	Color	Color of the background.

Method: rotate_flip(rotate_flip_type)

 rotate_flip(rotate_flip_type) 

Apply rotation, flipping, or both operations exclusively to the active frame
within the image. Integrate this method into your image processing workflow to
achieve precise manipulation of individual frames, enhancing flexibility and
control over frame transformations within your application.

Parameters:

Parameter	Type	Description
rotate_flip_type	RotateFlipType	The rotate flip type.

Method: rotate_flip_all(rotate_flip)

 rotate_flip_all(rotate_flip) 

Rotates the flip all.

Parameters:

Parameter	Type	Description
rotate_flip	RotateFlipType	The rotate flip.

Method: save(file_path)

 save(file_path) 

Saves the image to the specified file location.

Parameters:

Parameter	Type	Description
file_path	string	The file path to save the image to.

Method: save(file_path, options)

 save(file_path, options) 

Saves the object’s data to the specified file location in the specified file format according to save options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
options	ImageOptionsBase	The options.

Method: save(file_path, options, bounds_rectangle)

 save(file_path, options, bounds_rectangle) 

Saves the object’s data to the specified file location in the specified file format according to save options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
options	ImageOptionsBase	The options.
bounds_rectangle	Rectangle	The destination image bounds rectangle. Set the empty rectangle for use sourse bounds.

Method: save(file_path, over_write)

 save(file_path, over_write) 

Saves the object’s data to the specified file location.

Parameters:

Parameter	Type	Description
file_path	string	The file path to save the object’s data to.
over_write	bool	if set to true over write the file contents, otherwise append will occur.

Method: save(stream)

 save(stream) 

Saves the data.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save image data to.

Method: save(stream, options_base)

 save(stream, options_base) 

Saves the image’s data to the specified stream in the specified file format according to save options.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save the image’s data to.
options_base	ImageOptionsBase	The save options.

Method: save(stream, options_base, bounds_rectangle)

 save(stream, options_base, bounds_rectangle) 

Saves the image’s data to the specified stream in the specified file format according to save options.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save the image’s data to.
options_base	ImageOptionsBase	The save options.
bounds_rectangle	Rectangle	The destination image bounds rectangle. Set the empty rectangle for use source bounds.

Method: save_argb_32_pixels(rectangle, pixels)

 save_argb_32_pixels(rectangle, pixels) 

Saves the 32-bit ARGB pixels.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to save pixels to.
pixels	int	The 32-bit ARGB pixels array.

Method: save_cmyk_32_pixels(rectangle, pixels)

 save_cmyk_32_pixels(rectangle, pixels) 

Saves the pixels.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to save pixels to.
pixels	int	The CMYK pixels presented as the 32-bit integer values.

Method: save_cmyk_pixels(rectangle, pixels)

 save_cmyk_pixels(rectangle, pixels) 

Saves the pixels.
This method is deprecated. Please use more effective the RasterImage.save_cmyk_32_pixels(rectangle, pixels) method.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to save pixels to.
pixels	CmykColor[]	The CMYK pixels array.

Method: save_pixels(rectangle, pixels)

 save_pixels(rectangle, pixels) 

Saves the pixels internal main.

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle.
pixels	Color[]	The pixels.

Method: save_raw_data(data, data_offset, rectangle, raw_data_settings)

 save_raw_data(data, data_offset, rectangle, raw_data_settings) 

Saves the raw data.

Parameters:

Parameter	Type	Description
data	byte	The raw data.
data_offset	int	The starting raw data offset.
rectangle	Rectangle	The raw data rectangle.
raw_data_settings	RawDataSettings	The raw data settings the data is in.

Method: save_to_stream(stream)

 save_to_stream(stream) 

Saves the object’s data to the specified stream.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save the object’s data to.

Method: save_to_stream_with_options(stream, options_base)

 save_to_stream_with_options(stream, options_base) 

Saves the image’s data to the specified stream in the specified file format according to save options.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save the image’s data to.
options_base	ImageOptionsBase	The save options.

Method: save_to_stream_with_options_rect(stream, options_base, bounds_rectangle)

 save_to_stream_with_options_rect(stream, options_base, bounds_rectangle) 

Saves the image’s data to the specified stream in the specified file format according to save options.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to save the image’s data to.
options_base	ImageOptionsBase	The save options.
bounds_rectangle	Rectangle	The destination image bounds rectangle. Set the empty rectangle for use source bounds.

Method: save_with_options(file_path, options)

 save_with_options(file_path, options) 

Saves the object’s data to the specified file location in the specified file format according to save options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
options	ImageOptionsBase	The options.

Method: save_with_options_rect(file_path, options, bounds_rectangle)

 save_with_options_rect(file_path, options, bounds_rectangle) 

Saves the object’s data to the specified file location in the specified file format according to save options.

Parameters:

Parameter	Type	Description
file_path	string	The file path.
options	ImageOptionsBase	The options.
bounds_rectangle	Rectangle	The destination image bounds rectangle. Set the empty rectangle for use sourse bounds.

Method: set_argb_32_pixel(x, y, argb_32_color)

 set_argb_32_pixel(x, y, argb_32_color) 

Sets an image 32-bit ARGB pixel for the specified position.

Parameters:

Parameter	Type	Description
x	int	The pixel x location.
y	int	The pixel y location.
argb_32_color	int	The 32-bit ARGB pixel for the specified position.

Method: set_palette(palette, update_colors)

 set_palette(palette, update_colors) 

Sets the image palette.

Parameters:

Parameter	Type	Description
palette	IColorPalette	The palette to set.
update_colors	bool	if set to true colors will be updated according to the new palette; otherwise color indexes remain unchanged. Note that unchanged indexes may crash the image on loading if some indexes have no corresponding palette entries.

Method: set_pixel(x, y, color)

 set_pixel(x, y, color) 

Sets an image pixel for the specified position.

Parameters:

Parameter	Type	Description
x	int	The pixel x location.
y	int	The pixel y location.
color	Color	The pixel color for the specified position.

Method: set_resolution(dpi_x, dpi_y)

 set_resolution(dpi_x, dpi_y) 

Sets the resolution for this RasterImage.

Parameters:

Parameter	Type	Description
dpi_x	double	The horizontal resolution, in dots per inch, of the RasterImage.
dpi_y	double	The vertical resolution, in dots per inch, of the RasterImage.

Method: write_argb_32_scan_line(scan_line_index, argb_32_pixels)

 write_argb_32_scan_line(scan_line_index, argb_32_pixels) 

Writes the whole scan line to the specified scan line index.

Parameters:

Parameter	Type	Description
scan_line_index	int	Zero based index of the scan line.
argb_32_pixels	int	The 32-bit ARGB colors array to write.

Method: write_scan_line(scan_line_index, pixels)

 write_scan_line(scan_line_index, pixels) 

Writes the whole scan line to the specified scan line index.

Parameters:

Parameter	Type	Description
scan_line_index	int	Zero based index of the scan line.
pixels	Color[]	The pixel colors array to write.

Examples

This example shows how to load a WebP image from a file and save it to PNG.

import aspose.pycore as aspycore
from aspose.imaging.fileformats.webp import WebPImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_ = "c:\\temp"
# Load a WebP image from a file.
with WebPImage(join(dir_, "test.webp")) as web_pimage:
	# Save to PNG
	# Note that only the active frame will be stored to PNG, since PNG is not a multi-page format.
	web_pimage.save(join(dir_, "test.output.png"), PngOptions())

This example shows how to load a WebP image from a file stream and save it to PNG.

import aspose.pycore as aspycore
from aspose.imaging.fileformats.webp import WebPImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_: str = "c:\\temp"
# Load a WebP image from a file stream.
with open(join(dir_, "test.webp"), "w+b") as stream:
	with WebPImage(stream) as web_pimage:
		# Save to PNG
		# Note that only the active frame will be stored to PNG, since PNG is not a multi-page format.
		web_pimage.save(join(dir_, "test.output.png"), PngOptions())