Jpeg2000Image Class

Summary: Efficiently manipulate JPEG2000 (JP2) image files with our API, supporting
a range of bits per pixel depths and seamless processing of XMP metadata
containing essential image information. With capabilities for lossless compression,
ensure optimal image quality while maintaining file integrity, empowering you to
tailor JP2 images to your exact specifications with ease.

Module: aspose.imaging.fileformats.jpeg2000

Full Name: aspose.imaging.fileformats.jpeg2000.Jpeg2000Image

Inheritance: IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadata, RasterCachedImage

Constructors

Name	Description
Jpeg2000Image(image)	Instantiate a new Jpeg2000Image class with a raster image. This constructor facilitates the creation of a JPEG2000 image from an existing raster image, offering seamless integration and conversion between different image formats.
Jpeg2000Image(path)	Start working with the Jpeg2000Image class by initializing a new instance with the path to the image you want to load. This constructor enables easy access to JPEG2000 images, simplifying the process of loading and handling image files. By providing the file path, you can quickly begin processing and manipulating JPEG2000 images in your application.
Jpeg2000Image(path, bits_per_pixel)	Get started easily with the Jpeg2000Image class by creating a new instance with both the file path and the desired bits per pixel parameter. This constructor allows for fine-tuning the image loading process, ensuring compatibility with various image formats and quality settings. With this flexibility, you can efficiently manage and manipulate JPEG2000 images according to your specific requirements.
Jpeg2000Image(raster_image, bits_per_pixel)	Initialize a fresh Jpeg2000Image instance with a raster image and bits per pixel parameters. This constructor enables precise control over the quality and size of the resulting JPEG2000 image, making it ideal for scenarios where customization is crucial.
Jpeg2000Image(stream)	Easily initialize a new instance of the Jpeg2000Image class by providing a stream object. This constructor simplifies the process of loading JPEG2000 images directly from streams, offering flexibility and convenience for handling image data from various sources.
Jpeg2000Image(stream, bits_per_pixel)	Initialize a new instance of the Jpeg2000Image class with a stream to load the image, along with bits per pixel parameters. This constructor offers flexibility by allowing you to specify both the image data source and the desired bits per pixel, providing finer control over the image loading process.
Jpeg2000Image(width, height)	Create a new instance of the Jpeg2000Image class, specifying the width and height parameters. This constructor allows you to initialize a JPEG2000 image with specific dimensions, which is useful for scenarios where you need to create an image of a certain size programmatically.
Jpeg2000Image(width, height, bits_count)	Create a new instance of the Jpeg2000Image class with parameters for width, height, and bits count. This constructor allows for the creation of JPEG2000 images with specific dimensions and bit depths, providing flexibility for various imaging needs.
Jpeg2000Image(width, height, options)	Instantiate a new Jpeg2000Image object, providing the width, height, and image options parameters. This constructor allows for the creation of JPEG2000 images with specific dimensions and additional options, offering flexibility in image generation.

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	This property returns the depth of the image, measured in bits per pixel (bpp). It indicates the amount of color information stored in each pixel of the image. Understanding the image depth is crucial for determining the color fidelity and quality of the image. With this information, users can gauge the level of detail and richness of colors present in the image.
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.
codec	Jpeg2000Codec	r	This property retrieves the JPEG2000 codec associated with the image. The JPEG2000 codec is responsible for encoding and decoding the image data in the JPEG2000 format, providing efficient compression while maintaining high image quality. Accessing this codec can be useful for performing advanced image processing operations or optimizing image compression settings tailored to specific requirements.
comments	string	r/w	This property allows for retrieving or updating the comments associated with the image. Comments provide additional information about the image content, such as annotations, descriptions, or metadata. Modifying these comments can be useful for organizing and categorizing images, as well as conveying important details to viewers or users.
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	Retrieve the format of the image file. This property provides information about the file format of the image. Utilize this property to determine the format of the image file programmatically, facilitating appropriate handling and processing based on the file’s format.
has_alpha	bool	r	Gets a value indicating whether this instance has alpha.
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	This property retrieves the height of the image in pixels. It serves as essential information for understanding the image’s vertical dimensions, aiding in various image manipulation tasks like resizing, cropping, and rendering. Accessing this property allows users to ascertain the image’s vertical size, enabling precise layout and display in applications.
horizontal_resolution	double	r/w	This property allows you to retrieve or modify the horizontal resolution of the RasterImage, measured in pixels per inch (PPI). Adjusting this resolution can impact the size and quality of the image when printed or displayed. By setting the horizontal resolution, users can optimize the image for specific output devices or applications, ensuring the best possible visual results.
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.
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	This property retrieves the raw data format of the image. It provides information about how the pixel data is stored in memory. Use this property to understand the underlying data format of the image, which can be crucial for various image processing operations like color conversion, compression, or decompression.
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	This property retrieves the size of a single line of raw image data in bytes. It indicates the amount of memory occupied by a single row of pixels in the image’s raw data format. Understanding the raw line size is essential for tasks such as memory allocation, data manipulation, and image processing algorithms that operate on individual image lines.
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	This property provides access to the vertical resolution of the RasterImage, measured in pixels per inch (PPI). Modifying this resolution can affect the quality and size of the image when printed or displayed. By adjusting the vertical resolution, users can optimize the image for different output devices or applications, ensuring optimal visual rendering.
width	int	r	This property returns the width of the image in pixels. It provides a fundamental piece of information about the image’s dimensions, crucial for various image processing tasks, including resizing, cropping, and rendering.
xmp_data	XmpPacketWrapper	r/w	Retrieve or modify the XMP metadata associated with the image. This property grants access to the Extensible Metadata Platform (XMP) information embedded within the image file, allowing for manipulation or extraction of metadata attributes such as author details, copyright information, and descriptive tags. Utilizing this property empowers you to manage and leverage metadata embedded within the image, enhancing interoperability and metadata-driven workflows in your image processing tasks.

Methods

Name	Description
adjust_brightness(brightness)	Adjust of a brightness for image.
adjust_contrast(contrast)	Image contrasting
adjust_gamma(gamma)	Gamma-correction of an image.
adjust_gamma(gamma_red, gamma_green, gamma_blue)	Gamma-correction of an image.
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)	Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding
binarize_fixed(threshold)	Binarization of an image with predefined threshold
binarize_otsu()	Binarization of an image with Otsu thresholding
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 and ensures no additional data loading will be performed from the underlying DataStreamSupporter.data_stream_container.
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.
create(files)	Creates the multipage image containing the specified files.
create(files, throw_exception_on_load_error)	Creates the multipage image containing 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_bpp(path, bits_per_pixel)	Initializes a new instance of the Jpeg2000Image class.
create_from_files(files)	Creates the multipage image containing the specified files as lazy loading pages.
create_from_files(files, throw_exception_on_load_error)	Creates the multipage image containing the specified files as lazy loading pages.
create_from_image(image)	Initializes a new instance of the Jpeg2000Image class.
create_from_image_with_bpp(raster_image, bits_per_pixel)	Initializes a new instance of the Jpeg2000Image class.
create_from_images(images)	Creates a new image using the specified images as pages
create_from_images(images, dispose_images)	Creates a new image the specified images as pages.
create_from_stream(stream)	Initializes a new instance of the Jpeg2000Image class.
create_from_stream_with_bpp(stream, bits_per_pixel)	Initializes a new instance of the Jpeg2000Image class.
create_with_width_height(width, height)	Initializes a new instance of the Jpeg2000Image class.
create_with_width_height_bitscount(width, height, bits_count)	Initializes a new instance of the Jpeg2000Image class.
create_with_width_height_options(width, height, options)	Initializes a new instance of the Jpeg2000Image class.
crop(left_shift, right_shift, top_shift, bottom_shift)	Crop image with shifts.
crop(rectangle)	Cropping the image.
dither(dithering_method, bits_count)	Performs dithering on the current image.
dither(dithering_method, bits_count, custom_palette)	Performs dithering on the current image.
filter(rectangle, options)	Filters the specified rectangle.
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()	Retrieve the image options based on the original file settings. This method is beneficial for maintaining the bit-depth and other parameters of the original image, ensuring consistency and preserving the integrity of the image data. Accessing these options facilitates seamless handling and processing of the image while retaining its original characteristics. 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()	Transformation of an image to its grayscale representation
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 a new image from the specified 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 RasterImage.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_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)	Resizes the height proportionally.
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)	Resizes the width proportionally.
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 image around the center.
rotate_flip(rotate_flip_type)	Rotates, flips, or rotates and flips the image.
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 object’s data to the specified stream
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 pixels (format specific method).
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: Jpeg2000Image(image)

 Jpeg2000Image(image) 

Instantiate a new Jpeg2000Image class with a raster image. This
constructor facilitates the creation of a JPEG2000 image from an existing raster
image, offering seamless integration and conversion between different image formats.

Parameters:

Parameter	Type	Description
image	RasterImage	The image.

Constructor: Jpeg2000Image(path)

 Jpeg2000Image(path) 

Start working with the Jpeg2000Image class by initializing a new
instance with the path to the image you want to load. This constructor enables easy
access to JPEG2000 images, simplifying the process of loading and handling image
files. By providing the file path, you can quickly begin processing and
manipulating JPEG2000 images in your application.

Parameters:

Parameter	Type	Description
path	string	The path to load image from and initialize pixel and palette data with.

See also:

Example # 1: This example shows how to load a JPEG2000 image from a file and save it to PNG.

Constructor: Jpeg2000Image(path, bits_per_pixel)

 Jpeg2000Image(path, bits_per_pixel) 

Get started easily with the Jpeg2000Image class by creating a new
instance with both the file path and the desired bits per pixel parameter. This
constructor allows for fine-tuning the image loading process, ensuring
compatibility with various image formats and quality settings. With this
flexibility, you can efficiently manage and manipulate JPEG2000 images according to
your specific requirements.

Parameters:

Parameter	Type	Description
path	string	The path to load image from and initialize pixel and palette data with
bits_per_pixel	int	The bits per pixel.

Constructor: Jpeg2000Image(raster_image, bits_per_pixel)

 Jpeg2000Image(raster_image, bits_per_pixel) 

Initialize a fresh Jpeg2000Image instance with a raster image and
bits per pixel parameters. This constructor enables precise control over the
quality and size of the resulting JPEG2000 image, making it ideal for scenarios
where customization is crucial.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The image to initialize pixel and palette data with.
bits_per_pixel	int	The bits per pixel.

Constructor: Jpeg2000Image(stream)

 Jpeg2000Image(stream) 

Easily initialize a new instance of the Jpeg2000Image class by
providing a stream object. This constructor simplifies the process of loading
JPEG2000 images directly from streams, offering flexibility and convenience for
handling image data from various sources.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from and initialize pixel and palette data with.

See also:

Example # 1: This example shows how to load a JPEG2000 image from a file stream and save i…

Constructor: Jpeg2000Image(stream, bits_per_pixel)

 Jpeg2000Image(stream, bits_per_pixel) 

Initialize a new instance of the Jpeg2000Image class with a stream to
load the image, along with bits per pixel parameters. This constructor offers
flexibility by allowing you to specify both the image data source and the desired
bits per pixel, providing finer control over the image loading process.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from and initialize pixel and palette data with.
bits_per_pixel	int	The bits per pixel.

Constructor: Jpeg2000Image(width, height)

 Jpeg2000Image(width, height) 

Create a new instance of the Jpeg2000Image class, specifying the
width and height parameters. This constructor allows you to initialize a JPEG2000
image with specific dimensions, which is useful for scenarios where you need to
create an image of a certain size programmatically.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height

See also:

Example # 1: This example shows how to create a JPEG2000 image and save it to a file.

Constructor: Jpeg2000Image(width, height, bits_count)

 Jpeg2000Image(width, height, bits_count) 

Create a new instance of the Jpeg2000Image class with parameters for
width, height, and bits count. This constructor allows for the creation of JPEG2000
images with specific dimensions and bit depths, providing flexibility for various
imaging needs.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height
bits_count	int	The bits count.

Constructor: Jpeg2000Image(width, height, options)

 Jpeg2000Image(width, height, options) 

Instantiate a new Jpeg2000Image object, providing the width, height,
and image options parameters. This constructor allows for the creation of JPEG2000
images with specific dimensions and additional options, offering flexibility in
image generation.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height
options	Jpeg2000Options	The options.

Method: adjust_brightness(brightness)

 adjust_brightness(brightness) 

Adjust of a brightness for image.

Parameters:

Parameter	Type	Description
brightness	int	Brightness value.

Method: adjust_contrast(contrast)

 adjust_contrast(contrast) 

Image contrasting

Parameters:

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

Method: adjust_gamma(gamma)

 adjust_gamma(gamma) 

Gamma-correction of an image.

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) 

Gamma-correction of an image.

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) 

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.
window_size	int	The size of s x s window of pixels centered around this pixel

Method: binarize_fixed(threshold)

 binarize_fixed(threshold) 

Binarization of an image with predefined threshold

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 multipage image containing 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 multipage image containing 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_bpp(path, bits_per_pixel) [static]

 create_from_file_with_bpp(path, bits_per_pixel) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
path	string	The path to load image from and initialize pixel and palette data with
bits_per_pixel	int	The bits per pixel.

Returns

Type	Description
Jpeg2000Image

Method: create_from_files(files) [static]

 create_from_files(files) 

Creates the multipage image containing the specified files as lazy loading pages.

Parameters:

Parameter	Type	Description
files	string	The files.

Returns

Type	Description
Image	The multipage image

Method: create_from_files(files, throw_exception_on_load_error) [static]

 create_from_files(files, throw_exception_on_load_error) 

Creates the multipage image containing the specified files as lazy loading pages.

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_from_image(image) [static]

 create_from_image(image) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
image	RasterImage	The image.

Returns

Type	Description
Jpeg2000Image

Method: create_from_image_with_bpp(raster_image, bits_per_pixel) [static]

 create_from_image_with_bpp(raster_image, bits_per_pixel) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
raster_image	RasterImage	The image to initialize pixel and palette data with.
bits_per_pixel	int	The bits per pixel.

Returns

Type	Description
Jpeg2000Image

Method: create_from_images(images) [static]

 create_from_images(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_from_images(images, dispose_images) [static]

 create_from_images(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_from_stream(stream) [static]

 create_from_stream(stream) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from and initialize pixel and palette data with.

Returns

Type	Description
Jpeg2000Image

Method: create_from_stream_with_bpp(stream, bits_per_pixel) [static]

 create_from_stream_with_bpp(stream, bits_per_pixel) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
stream	_io.BufferedRandom	The stream to load image from and initialize pixel and palette data with.
bits_per_pixel	int	The bits per pixel.

Returns

Type	Description
Jpeg2000Image

Method: create_with_width_height(width, height) [static]

 create_with_width_height(width, height) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height

Returns

Type	Description
Jpeg2000Image

Method: create_with_width_height_bitscount(width, height, bits_count) [static]

 create_with_width_height_bitscount(width, height, bits_count) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height
bits_count	int	The bits count.

Returns

Type	Description
Jpeg2000Image

Method: create_with_width_height_options(width, height, options) [static]

 create_with_width_height_options(width, height, options) 

Initializes a new instance of the Jpeg2000Image class.

Parameters:

Parameter	Type	Description
width	int	The image width
height	int	The image height
options	Jpeg2000Options	The options.

Returns

Type	Description
Jpeg2000Image

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

 crop(left_shift, right_shift, top_shift, bottom_shift) 

Crop image with shifts.

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) 

Cropping the image.

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) 

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.
custom_palette	IColorPalette	The custom palette for dithering.

Method: filter(rectangle, options)

 filter(rectangle, options) 

Filters the specified rectangle.

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() 

Retrieve the image options based on the original file settings. This method is
beneficial for maintaining the bit-depth and other parameters of the original
image, ensuring consistency and preserving the integrity of the image data.
Accessing these options facilitates seamless handling and processing of the image
while retaining its original characteristics.
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: 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 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_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 RasterImage.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: 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 to be replaced.
old_color_diff	byte	Allowed difference in old color to be able to widen replaced color tone.
new_color	Color	New color to replace old color with.

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	New color to replace non transparent colors with.

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) 

Resizes the height proportionally.

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) 

Resizes the width proportionally.

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 image around the center.

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) 

Rotates, flips, or rotates and flips the image.

Parameters:

Parameter	Type	Description
rotate_flip_type	RotateFlipType	The rotate flip type.

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 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(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 pixels (format specific method).

Parameters:

Parameter	Type	Description
rectangle	Rectangle	The rectangle to save pixels to.
pixels	Color[]	The 32-bit ARGB pixels array.

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 JPEG2000 image from a file and save it to PNG.

import aspose.pycore as aspycore
from aspose.imaging.fileformats.jpeg2000 import Jpeg2000Image
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_: str = "c:\\temp"
# Load a JPEG2000 image.
with Jpeg2000Image(join(dir_, "sample.jp2")) as jpeg2000_image:
	# Save to PNG
	jpeg2000_image.save(join(dir_, "sample.output.png"), PngOptions())

This example shows how to load a JPEG2000 image from a file stream and save it to PNG.

import aspose.pycore as aspycore
from aspose.imaging.fileformats.jpeg2000 import Jpeg2000Image
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_: str = "c:\\temp"
# Load a JPEG2000 image from stream.
with open(join(dir_, "sample.jp2"), "rb") as stream:
	with Jpeg2000Image(stream) as jpeg2000_image:
		# Save to PNG
		jpeg2000_image.save(join(dir_, "sample.output.png"), PngOptions())

This example shows how to create a JPEG2000 image and save it to a file.

import aspose.pycore as aspycore
from aspose.imaging import Graphics, Color
from aspose.imaging.brushes import SolidBrush
from aspose.imaging.fileformats.jpeg2000 import Jpeg2000Image
from aspose.imaging.imageoptions import Jpeg2000Options
from os.path import join

dir_: str = "c:\\temp"
# Create a JPEG2000 image of 100x100 px.
with Jpeg2000Image(100, 100) as jpeg2000_image:
	graphics = Graphics(jpeg2000_image)
	# Fill the entire image in red.
	brush = SolidBrush(Color.red)
	graphics.fill_rectangle(brush, jpeg2000_image.bounds)
	# Save to a file
	jpeg2000_image.save(join(dir_, "sample.output.jp2"), Jpeg2000Options())