DicomImage Class

Summary: This Class implements Digital Imaging and Communications in Medicine
(DICOM) raster image format support and offers a comprehensive solution for
processing DICOM images with precision and flexibility. You can seamlessly
manipulate image pages, including operations to get, add, or remove pages, and
control the default and active pages. With capabilities to work with alpha channels,
embed XMP metadata, resize, rotate, crop, binarize, adjust, apply filters,
and convert to other raster formats. This API empowers developers to handle
DICOM images effectively while meeting diverse application requirements in
medical imaging contexts.

Module: aspose.imaging.fileformats.dicom

Full Name: aspose.imaging.fileformats.dicom.DicomImage

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

Constructors

NameDescription
DicomImage(dicom_options, width, height)Initialize a fresh instance of the DicomImage class effortlessly with this
constructor, utilizing dicomOptions parameters. Perfect for developers looking
to dive into DicomImage objects swiftly and efficiently in their projects.
DicomImage(stream)Create a new instance of the DicomImage class by utilizing a stream parameter
in this constructor. Perfect for developers seeking a streamlined way to initialize
DicomImage objects from existing data streams in their projects.
DicomImage(stream, load_options)Initiate a new instance of the DicomImage class smoothly by employing a stream and
loadOptions parameters in this constructor. Ideal for developers eager to start
working with DicomImage objects promptly and effectively in their projects.

Properties

NameTypeAccessDescription
active_pageDicomPager/wManage the active page of the image with this intuitive property. Ideal for developers
seeking to dynamically switch between pages within multi-page images, ensuring efficient
navigation and processing.
active_page_indexintrRetrieve the index of the active page effortlessly with this intuitive property.
Ideal for developers seeking quick access to the current page index within multi-page
images, ensuring efficient navigation and processing.
auto_adjust_paletteboolr/wGets or sets a value indicating whether automatic adjust palette.
background_colorColorr/wGets or sets a value for the background color.
bits_per_pixelintrGets the image bits per pixel count.
boundsRectanglerGets the object bounds.
buffer_size_hintintr/wGets or sets the buffer size hint which is defined max allowed size for all internal buffers.
containerImagerGets the Image container.
data_stream_containerStreamContainerrGets the object’s data stream.
dicom_pagesDicomPage[]rAccess the pages of the image with this intuitive property. Ideal for developers
seeking to interact with individual pages within the image, ensuring seamless
navigation and manipulation.
disposedboolrGets a value indicating whether this instance is disposed.
file_formatFileFormatrRetrieve the file format value effortlessly with this intuitive property. Ideal for
developers seeking quick access to the format of the image file, ensuring efficient
handling and processing based on the file type.
file_infoDicomImageInforRetrieve valuable header information from the DICOM file effortlessly with this
intuitive property. Ideal for developers seeking quick access to essential details
encapsulated within the DICOM file, ensuring efficient data extraction and analysis.
has_alphaboolrRetrieve whether the image has an alpha channel effortlessly with this intuitive
property. Ideal for developers seeking to determine if the image contains transparency
information, ensuring precise handling of alpha channel data in image processing tasks.
has_background_colorboolr/wGets or sets a value indicating whether image has background color.
has_transparent_colorboolr/wGets a value indicating whether image has transparent color.
heightintrGets the image height.
horizontal_resolutiondoubler/wGets or sets the horizontal resolution, in pixels per inch, of this RasterImage.
image_opacityfloatrGets opacity of this image.
interrupt_monitorInterruptMonitorr/wGets or sets the interrupt monitor.
is_cachedboolrGets a value indicating whether image data is cached currently.
is_raw_data_availableboolrGets a value indicating whether raw data loading is supported.
page_countintrRetrieve the total page count of the image with this intuitive property. Ideal for
developers seeking quick access to the number of pages within an image, ensuring
efficient navigation and management.
pagesImage[]rAccess the pages of the image with this intuitive property. Ideal for developers
seeking to interact with individual pages within the image, ensuring seamless navigation
and manipulation.
paletteIColorPaletter/wGets or sets the color palette. The color palette is not used when pixels are represented directly.
premultiply_componentsboolr/wGets or sets a value indicating whether the image components must be premultiplied.
raw_custom_color_converterIColorConverterr/wGets or sets the custom color converter
raw_data_formatPixelDataFormatrGets the raw data format.
raw_data_settingsRawDataSettingsrGets the current raw data settings. Note when using these settings the data loads without conversion.
raw_fallback_indexintr/wGets or sets the fallback index to use when palette index is out of bounds
raw_indexed_color_converterIIndexedColorConverterr/wGets or sets the indexed color converter
raw_line_sizeintrGets the raw line size in bytes.
sizeSizerGets the object size.
transparent_colorColorr/wGets the image transparent color.
update_xmp_databoolr/wGets or sets a value indicating whether to update the XMP metadata.
use_paletteboolrGets a value indicating whether the image palette is used.
use_raw_databoolr/wGets or sets a value indicating whether to use raw data loading when the raw data loading is available.
vertical_resolutiondoubler/wGets or sets the vertical resolution, in pixels per inch, of this RasterImage.
widthintrGets the image width.
xmp_dataXmpPacketWrapperr/wGets or sets XMP data from frame.

Methods

NameDescription
add_page()Append a new page to the end of the image’s page list with this straightforward method.
Ideal for developers seeking to dynamically expand multi-page images, ensuring seamless
integration and organization of image content.
add_page(page)Expand your image collection by adding a new page with this intuitive method.
Ideal for developers seeking to dynamically append pages to multi-page images,
ensuring seamless expansion and organization of image content.
adjust_brightness(brightness)Enhance image luminance with the adjustment of brightness, a
parameterized method that allows developers to finely tune the luminosity of images.
This user-friendly function empowers developers to seamlessly manipulate image
brightness, offering flexibility and control over visual aesthetics.
adjust_contrast(contrast)Enhance Image contrast with this user-friendly method,
which adjusts the disparity between light and dark areas. Improve visual clarity and
definition effortlessly, providing developers with intuitive control over
image contrast for optimal rendering.
adjust_gamma(gamma)Enhance image quality and adjust it with gamma correction, a powerful technique
for fine-tuning visual appearance. Perfect for developers aiming to optimize image
presentation, adjust color balance, and ensure consistent rendering across different
devices and environments.
adjust_gamma(gamma_red, gamma_green, gamma_blue)Achieve precise color adjustments by applying gamma correction independently
to the red, green, and blue components of an image. This method ensures accurate
color balance and optimal visual output, catering to developers seeking granular
control over image rendering and color accuracy.
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)Binarize images with Bradley’s adaptive thresholding algorithm, leveraging integral
image thresholding for improved performance. Ideal for developers looking to
automatically segment images based on local variations in brightness, ensuring
accurate object detection and extraction in varying lighting conditions.
binarize_fixed(threshold)Easily convert the image into a binary format using a predefined threshold
with this straightforward method. Ideal for developers looking to simplify image
processing tasks by segmenting the image into foreground and background components
based on specified intensity levels.
binarize_otsu()Apply Otsu thresholding to binarize the image, automatically determining the optimal
threshold value based on the image’s histogram. Perfect for developers seeking
a reliable method to segment images into foreground and background regions with
minimal manual intervention.
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()This method efficiently caches data, optimizing performance and ensuring swift access
when needed. Ideal for developers seeking to enhance the speed and efficiency of their
applications by intelligently managing data resources.
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_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_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.
crop(left_shift, right_shift, top_shift, bottom_shift)Adjust the cropping area of the image by applying shifts with this versatile method.
Perfect for developers who need precise control over the cropping process, ensuring
that important details are retained while eliminating unnecessary elements.
crop(rectangle)Crop the image to remove unwanted areas and focus on essential content with this
simple method. Ideal for developers seeking to customize the visual composition of
images, ensuring they convey the desired message effectively.
dither(dithering_method, bits_count)Performs dithering on the current image.
dither(dithering_method, bits_count, custom_palette)Enhance the current image by applying dithering effects with this straightforward
method. Perfect for developers aiming to add texture and depth to images,
improving their visual quality and overall appeal.
filter(rectangle, options)Effortlessly enhance specific areas of your image by applying filters to designated
rectangles. This method provides developers with precise control over
image manipulation, allowing for targeted adjustments to achieve desired
visual effects with ease.
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()Easily transform images into their grayscale representation, simplifying visual
analysis and processing tasks. Perfect for developers seeking to enhance image clarity,
reduce complexity, and facilitate efficient grayscale-based algorithms
for diverse applications.
insert_page(page_index)Insert a new page into the image’s page list at a specified index with this intuitive
method. Ideal for developers seeking precise control over the arrangement of pages in
multi-page images, ensuring seamless organization and customization of image content.
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 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_metadata()Removes this image instance metadata by setting this IHasXmpData.xmp_data value to None.
remove_page(page_index)Eliminate the page at the specified index from the page list with this convenient method.
Ideal for developers seeking precise control over the management of multi-page images,
ensuring seamless organization and customization of image content.
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)Resize the image while maintaining its aspect ratio with this convenient method. Ideal
for developers seeking to adjust the image dimensions proportionally, ensuring
consistency and preserving the original content’s proportions.
The proportional resize will resize each frame according to the ratio of newWidth/width and newHeight/height.
resize(new_width, new_height, settings)Adjust the size of your image with this simple resizing method. Whether you need to
shrink or enlarge your image, this function ensures that your resizing needs are met
efficiently and accurately, making it perfect for developers seeking quick and easy
image size adjustments.
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 while maintaining its aspect ratio with this
user-friendly method. Perfect for developers seeking to dynamically resize images
while preserving their proportions, ensuring optimal display and usability
in their applications.
resize_height_proportionally(new_height, settings)Resizes the height proportionally.
resize_height_proportionally_settings(new_height, settings)Resizes the height proportionally.
resize_proportional(new_width, new_height, resize_type)Resize the image while maintaining its aspect ratio with this convenient method. Ideal
for developers seeking to adjust the image dimensions proportionally, ensuring
consistency and preserving the original content’s proportions.
The proportional resize will resize each frame according to the ratio of newWidth/width and newHeight/height.
resize_width_proportionally(new_width)Resizes the width proportionally. The default ResizeType.NEAREST_NEIGHBOUR_RESAMPLE is used.
resize_width_proportionally(new_width, resize_type)Adjust the width of the image while maintaining its aspect ratio with this convenient
method. Ideal for developers seeking to resize images proportionally, ensuring
consistent and visually appealing results across different display environment.
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 with this convenient method. Ideal for developers
seeking to adjust image orientation dynamically, ensuring optimal presentation and
alignment within their applications.
rotate_flip(rotate_flip_type)Easily manipulate the active frame by rotating, flipping, or performing both actions
simultaneously with this straightforward method. Ideal for developers who need to
dynamically adjust the orientation of specific frames within their image sequences,
ensuring optimal presentation and alignment.
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)Preserve the object’s data by saving it to the designated file (indexer + filename)
location along with specified file format and options. Ideal for developers seeking to
securely store data in various formats while maintaining flexibility and control over
saving parameters.
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)Easily save your image data to a specified stream in the desired file format
using this convenient method. Whether you’re working with JPEG, PNG, or another format,
this function ensures that your image data is saved efficiently and accurately,
making it ideal for developers looking to streamline their file-saving processes.
save_all(file_path, options)Preserve the object’s data by saving it to the designated file (indexer + filename)
location along with specified file format and options. Ideal for developers seeking to
securely store data in various formats while maintaining flexibility and control over
saving parameters.
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)Adjust the resolution of this RasterImage with precision using this
straightforward method. Ideal for developers looking to tailor image resolution to
specific requirements, ensuring optimal display quality and file size management.
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: DicomImage(dicom_options, width, height)

 DicomImage(dicom_options, width, height) 

Initialize a fresh instance of the DicomImage class effortlessly with this
constructor, utilizing dicomOptions parameters. Perfect for developers looking
to dive into DicomImage objects swiftly and efficiently in their projects.

Parameters:

ParameterTypeDescription
dicom_optionsDicomOptionsThe dicom options.
widthintThe width.
heightintThe height.

Constructor: DicomImage(stream)

 DicomImage(stream) 

Create a new instance of the DicomImage class by utilizing a stream parameter
in this constructor. Perfect for developers seeking a streamlined way to initialize
DicomImage objects from existing data streams in their projects.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream.

Constructor: DicomImage(stream, load_options)

 DicomImage(stream, load_options) 

Initiate a new instance of the DicomImage class smoothly by employing a stream and
loadOptions parameters in this constructor. Ideal for developers eager to start
working with DicomImage objects promptly and effectively in their projects.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream.
load_optionsLoadOptionsThe load options.

Method: add_page()

 add_page() 

Append a new page to the end of the image’s page list with this straightforward method.
Ideal for developers seeking to dynamically expand multi-page images, ensuring seamless
integration and organization of image content.

Returns

TypeDescription
DicomPageThe newly created DicomPage.

Method: add_page(page)

 add_page(page) 

Expand your image collection by adding a new page with this intuitive method.
Ideal for developers seeking to dynamically append pages to multi-page images,
ensuring seamless expansion and organization of image content.

Parameters:

ParameterTypeDescription
pageRasterImageThe page to add.

Method: adjust_brightness(brightness)

 adjust_brightness(brightness) 

Enhance image luminance with the adjustment of brightness, a
parameterized method that allows developers to finely tune the luminosity of images.
This user-friendly function empowers developers to seamlessly manipulate image
brightness, offering flexibility and control over visual aesthetics.

Parameters:

ParameterTypeDescription
brightnessintBrightness value.

See also:

Example # 1: The following example performs brightness correction of a DICOM image.

Method: adjust_contrast(contrast)

 adjust_contrast(contrast) 

Enhance Image contrast with this user-friendly method,
which adjusts the disparity between light and dark areas. Improve visual clarity and
definition effortlessly, providing developers with intuitive control over
image contrast for optimal rendering.

Parameters:

ParameterTypeDescription
contrastfloatContrast value (in range [-100; 100])

See also:

Example # 1: The following example performs contrast correction of a DICOM image.

Method: adjust_gamma(gamma)

 adjust_gamma(gamma) 

Enhance image quality and adjust it with gamma correction, a powerful technique
for fine-tuning visual appearance. Perfect for developers aiming to optimize image
presentation, adjust color balance, and ensure consistent rendering across different
devices and environments.

Parameters:

ParameterTypeDescription
gammafloatGamma for red, green and blue channels coefficient

See also:

Example # 1: The following example performs gamma-correction of a DICOM image.

Method: adjust_gamma(gamma_red, gamma_green, gamma_blue)

 adjust_gamma(gamma_red, gamma_green, gamma_blue) 

Achieve precise color adjustments by applying gamma correction independently
to the red, green, and blue components of an image. This method ensures accurate
color balance and optimal visual output, catering to developers seeking granular
control over image rendering and color accuracy.

Parameters:

ParameterTypeDescription
gamma_redfloatGamma for red channel coefficient
gamma_greenfloatGamma for green channel coefficient
gamma_bluefloatGamma for blue channel coefficient

See also:

Example # 1: The following example performs gamma-correction of a DICOM image applying dif…

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:

ParameterTypeDescription
brightness_differencedoubleThe 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) 

Binarize images with Bradley’s adaptive thresholding algorithm, leveraging integral
image thresholding for improved performance. Ideal for developers looking to
automatically segment images based on local variations in brightness, ensuring
accurate object detection and extraction in varying lighting conditions.

Parameters:

ParameterTypeDescription
brightness_differencedoubleThe brightness difference between pixel and the average of an s x s window of pixels
centered around this pixel.
window_sizeintThe size of s x s window of pixels centered around this pixel

Method: binarize_fixed(threshold)

 binarize_fixed(threshold) 

Easily convert the image into a binary format using a predefined threshold
with this straightforward method. Ideal for developers looking to simplify image
processing tasks by segmenting the image into foreground and background components
based on specified intensity levels.

Parameters:

ParameterTypeDescription
thresholdbyteThreshold 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:

ParameterTypeDescription
originPointThe background image blending origin.
overlayRasterImageThe overlay image.
overlay_alphabyteThe 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:

ParameterTypeDescription
originPointThe background image blending origin.
overlayRasterImageThe overlay image.
overlay_areaRectangleThe overlay area.
overlay_alphabyteThe overlay alpha.

Method: can_load(file_path) [static]

 can_load(file_path) 

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

Parameters:

ParameterTypeDescription
file_pathstringThe file path.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
file_pathstringThe file path.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load from.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load from.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
file_pathstringThe file path.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
optionsImageOptionsBaseThe save options to use.

Returns

TypeDescription
booltrue 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:

ParameterTypeDescription
filesstringThe files.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
filesstringThe files.
throw_exception_on_load_errorboolif set to true [throw exception on load error].

Returns

TypeDescription
ImageThe multipage image

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

 create(image_options, width, height) 

Creates a new image using the specified create options.

Parameters:

ParameterTypeDescription
image_optionsImageOptionsBaseThe image options.
widthintThe width.
heightintThe height.

Returns

TypeDescription
ImageThe newly created image.

Method: create(images) [static]

 create(images) 

Creates a new image using the specified images as pages

Parameters:

ParameterTypeDescription
imagesImage[]The images.

Returns

TypeDescription
ImageThe Image as IMultipageImage

Method: create(images, dispose_images) [static]

 create(images, dispose_images) 

Creates a new image the specified images as pages.

Parameters:

ParameterTypeDescription
imagesImage[]The images.
dispose_imagesboolif set to true [dispose images].

Returns

TypeDescription
ImageThe Image as IMultipageImage

Method: create(multipage_create_options) [static]

 create(multipage_create_options) 

Creates the specified multipage create options.

Parameters:

ParameterTypeDescription
multipage_create_optionsMultipageCreateOptionsThe multipage create options.

Returns

TypeDescription
ImageThe multipage image

Method: create_from_files(files) [static]

 create_from_files(files) 

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

Parameters:

ParameterTypeDescription
filesstringThe files.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
filesstringThe files.
throw_exception_on_load_errorboolif set to true throw exception on load error.

Returns

TypeDescription
ImageThe multipage image

Method: create_from_images(images) [static]

 create_from_images(images) 

Creates a new image using the specified images as pages

Parameters:

ParameterTypeDescription
imagesImage[]The images.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
imagesImage[]The images.
dispose_imagesboolif set to true [dispose images].

Returns

TypeDescription
ImageThe Image as IMultipageImage

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

 crop(left_shift, right_shift, top_shift, bottom_shift) 

Adjust the cropping area of the image by applying shifts with this versatile method.
Perfect for developers who need precise control over the cropping process, ensuring
that important details are retained while eliminating unnecessary elements.

Parameters:

ParameterTypeDescription
left_shiftintThe left shift.
right_shiftintThe right shift.
top_shiftintThe top shift.
bottom_shiftintThe bottom shift.

Method: crop(rectangle)

 crop(rectangle) 

Crop the image to remove unwanted areas and focus on essential content with this
simple method. Ideal for developers seeking to customize the visual composition of
images, ensuring they convey the desired message effectively.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle.

Method: dither(dithering_method, bits_count)

 dither(dithering_method, bits_count) 

Performs dithering on the current image.

Parameters:

ParameterTypeDescription
dithering_methodDitheringMethodThe dithering method.
bits_countintThe final bits count for dithering.

Method: dither(dithering_method, bits_count, custom_palette)

 dither(dithering_method, bits_count, custom_palette) 

Enhance the current image by applying dithering effects with this straightforward
method. Perfect for developers aiming to add texture and depth to images,
improving their visual quality and overall appeal.

Parameters:

ParameterTypeDescription
dithering_methodDitheringMethodThe dithering method.
bits_countintThe final bits count for dithering.
custom_paletteIColorPaletteThe custom palette for dithering.

Method: filter(rectangle, options)

 filter(rectangle, options) 

Effortlessly enhance specific areas of your image by applying filters to designated
rectangles. This method provides developers with precise control over
image manipulation, allowing for targeted adjustments to achieve desired
visual effects with ease.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle.
optionsFilterOptionsBaseThe options.

Method: get_argb_32_pixel(x, y)

 get_argb_32_pixel(x, y) 

Gets an image 32-bit ARGB pixel.

Parameters:

ParameterTypeDescription
xintThe pixel x location.
yintThe pixel y location.

Returns

TypeDescription
intThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get pixels for.

Returns

TypeDescription
intThe default pixels array.

Method: get_default_options(args)

 get_default_options(args) 

Gets the default options.

Parameters:

ParameterTypeDescription
argsobjectThe arguments.

Returns

TypeDescription
ImageOptionsBaseDefault 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get pixels for.
partial_pixel_loaderIPartialArgb32PixelLoaderThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get pixels for.
partial_raw_data_loaderIPartialRawDataLoaderThe partial raw data loader.
raw_data_settingsRawDataSettingsThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get raw data for.
raw_data_settingsRawDataSettingsThe raw data settings.

Returns

TypeDescription
byteThe default raw data array.

Method: get_file_format(file_path) [static]

 get_file_format(file_path) 

Gets the file format.

Parameters:

ParameterTypeDescription
file_pathstringThe file path.

Returns

TypeDescription
FileFormatThe determined file format.

Method: get_file_format(stream) [static]

 get_file_format(stream) 

Gets the file format.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream.

Returns

TypeDescription
FileFormatThe determined file format.

Method: get_file_format_of_stream(stream) [static]

 get_file_format_of_stream(stream) 

Gets the file format.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream.

Returns

TypeDescription
FileFormatThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get fitting rectangle for.
pixelsintThe 32-bit ARGB pixels.
widthintThe object width.
heightintThe object height.

Returns

TypeDescription
RectangleThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to get fitting rectangle for.
widthintThe object width.
heightintThe object height.

Returns

TypeDescription
RectangleThe 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:

ParameterTypeDescription
use_defaultboolif set to true uses the information from FileInfo as default value.

Returns

TypeDescription
datetimeThe 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

TypeDescription
ImageOptionsBaseThe options based on the original file settings.

Method: get_pixel(x, y)

 get_pixel(x, y) 

Gets an image pixel.

Parameters:

ParameterTypeDescription
xintThe pixel x location.
yintThe pixel y location.

Returns

TypeDescription
ColorThe 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:

ParameterTypeDescription
widthintThe width.
heightintThe height.
new_widthintThe new width.

Returns

TypeDescription
intThe proportional height.

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

 get_proportional_width(width, height, new_height) 

Gets a proportional width.

Parameters:

ParameterTypeDescription
widthintThe width.
heightintThe height.
new_heightintThe new height.

Returns

TypeDescription
intThe 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:

ParameterTypeDescription
image_optionsImageOptionsBaseThe image options.
clipping_rectangleRectangleThe clipping rectangle.
page_numberint[]The page number.

Returns

TypeDescription
_io.BufferedRandomThe 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

TypeDescription
floatThe skew angle, in degrees.

Method: insert_page(page_index)

 insert_page(page_index) 

Insert a new page into the image’s page list at a specified index with this intuitive
method. Ideal for developers seeking precise control over the arrangement of pages in
multi-page images, ensuring seamless organization and customization of image content.

Parameters:

ParameterTypeDescription
page_indexintIndex of the page.

Returns

TypeDescription
DicomPageThe newly created DicomPage.

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:

ParameterTypeDescription
file_pathstringThe file path or URL to load image from.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
file_pathstringThe file path or URL to load image from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
ImageThe loaded image.

Method: load(stream) [static]

 load(stream) 

Loads a new image from the specified stream.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load image from.

Returns

TypeDescription
ImageThe loaded image.

Method: load(stream, load_options) [static]

 load(stream, load_options) 

Loads a new image from the specified stream.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load image from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
ImageThe loaded image.

Method: load_argb_32_pixels(rectangle)

 load_argb_32_pixels(rectangle) 

Loads 32-bit ARGB pixels.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.

Returns

TypeDescription
intThe loaded 32-bit ARGB pixels array.

Method: load_argb_64_pixels(rectangle)

 load_argb_64_pixels(rectangle) 

Loads 64-bit ARGB pixels.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.

Returns

TypeDescription
longThe loaded 64-bit ARGB pixels array.

Method: load_cmyk_32_pixels(rectangle)

 load_cmyk_32_pixels(rectangle) 

Loads pixels in CMYK format.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.

Returns

TypeDescription
intThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.

Returns

TypeDescription
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:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.
partial_pixel_loaderIPartialArgb32PixelLoaderThe 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:

ParameterTypeDescription
rectangleRectangleThe desired rectangle.
partial_pixel_loaderIPartialArgb64PixelLoaderThe 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:

ParameterTypeDescription
desired_rectangleRectangleThe desired rectangle.
pixel_loaderIPartialPixelLoaderThe pixel loader.

Method: load_pixels(rectangle)

 load_pixels(rectangle) 

Loads pixels.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to load pixels from.

Returns

TypeDescription
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:

ParameterTypeDescription
rectangleRectangleThe rectangle to load raw data from.
dest_image_boundsRectangleThe dest image bounds.
raw_data_settingsRawDataSettingsThe 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_loaderIPartialRawDataLoaderThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to load raw data from.
raw_data_settingsRawDataSettingsThe 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_loaderIPartialRawDataLoaderThe raw data loader.

Method: load_stream(stream) [static]

 load_stream(stream) 

Loads a new image from the specified stream.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load image from.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to load image from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
file_pathstringThe file path or URL to load image from.
load_optionsLoadOptionsThe load options.

Returns

TypeDescription
ImageThe 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:

ParameterTypeDescription
resize_proportionallyboolif 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_colorColorColor 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:

ParameterTypeDescription
scan_line_indexintZero based index of the scan line.

Returns

TypeDescription
intThe 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:

ParameterTypeDescription
scan_line_indexintZero based index of the scan line.

Returns

TypeDescription
Color[]The scan line pixel color values array.

Method: remove_page(page_index)

 remove_page(page_index) 

Eliminate the page at the specified index from the page list with this convenient method.
Ideal for developers seeking precise control over the management of multi-page images,
ensuring seamless organization and customization of image content.

Parameters:

ParameterTypeDescription
page_indexintIndex of the page.

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:

ParameterTypeDescription
old_color_argbintOld color ARGB value to be replaced.
old_color_diffbyteAllowed difference in old color to be able to widen replaced color tone.
new_color_argbintNew 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:

ParameterTypeDescription
old_colorColor
old_color_diffbyteAllowed difference in old color to be able to widen replaced color tone.
new_colorColor

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:

ParameterTypeDescription
old_color_argbintOld color ARGB value to be replaced.
old_color_diffbyteAllowed difference in old color to be able to widen replaced color tone.
new_color_argbintNew 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:

ParameterTypeDescription
new_colorColor

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:

ParameterTypeDescription
new_color_argbintNew 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:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.

Method: resize(new_width, new_height, resize_type)

 resize(new_width, new_height, resize_type) 

Resize the image while maintaining its aspect ratio with this convenient method. Ideal
for developers seeking to adjust the image dimensions proportionally, ensuring
consistency and preserving the original content’s proportions.
The proportional resize will resize each frame according to the ratio of newWidth/width and newHeight/height.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.
resize_typeResizeTypeThe resize type.

Method: resize(new_width, new_height, settings)

 resize(new_width, new_height, settings) 

Adjust the size of your image with this simple resizing method. Whether you need to
shrink or enlarge your image, this function ensures that your resizing needs are met
efficiently and accurately, making it perfect for developers seeking quick and easy
image size adjustments.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.
settingsImageResizeSettingsThe resize settings.

Method: resize_by_settings(new_width, new_height, settings)

 resize_by_settings(new_width, new_height, settings) 

Resizes the image.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.
settingsImageResizeSettingsThe 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:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.
resize_typeResizeTypeThe 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:

ParameterTypeDescription
new_heightintThe new height.

Method: resize_height_proportionally(new_height, resize_type)

 resize_height_proportionally(new_height, resize_type) 

Adjust the height of the image while maintaining its aspect ratio with this
user-friendly method. Perfect for developers seeking to dynamically resize images
while preserving their proportions, ensuring optimal display and usability
in their applications.

Parameters:

ParameterTypeDescription
new_heightintThe new height.
resize_typeResizeTypeType of the resize.

Method: resize_height_proportionally(new_height, settings)

 resize_height_proportionally(new_height, settings) 

Resizes the height proportionally.

Parameters:

ParameterTypeDescription
new_heightintThe new height.
settingsImageResizeSettingsThe image resize settings.

Method: resize_height_proportionally_settings(new_height, settings)

 resize_height_proportionally_settings(new_height, settings) 

Resizes the height proportionally.

Parameters:

ParameterTypeDescription
new_heightintThe new height.
settingsImageResizeSettingsThe image resize settings.

Method: resize_proportional(new_width, new_height, resize_type)

 resize_proportional(new_width, new_height, resize_type) 

Resize the image while maintaining its aspect ratio with this convenient method. Ideal
for developers seeking to adjust the image dimensions proportionally, ensuring
consistency and preserving the original content’s proportions.
The proportional resize will resize each frame according to the ratio of newWidth/width and newHeight/height.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
new_heightintThe new height.
resize_typeResizeTypeThe resize type.

Method: resize_width_proportionally(new_width)

 resize_width_proportionally(new_width) 

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

Parameters:

ParameterTypeDescription
new_widthintThe new width.

Method: resize_width_proportionally(new_width, resize_type)

 resize_width_proportionally(new_width, resize_type) 

Adjust the width of the image while maintaining its aspect ratio with this convenient
method. Ideal for developers seeking to resize images proportionally, ensuring
consistent and visually appealing results across different display environment.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
resize_typeResizeTypeType of the resize.

Method: resize_width_proportionally(new_width, settings)

 resize_width_proportionally(new_width, settings) 

Resizes the width proportionally.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
settingsImageResizeSettingsThe image resize settings.

Method: resize_width_proportionally_settings(new_width, settings)

 resize_width_proportionally_settings(new_width, settings) 

Resizes the width proportionally.

Parameters:

ParameterTypeDescription
new_widthintThe new width.
settingsImageResizeSettingsThe image resize settings.

Method: rotate(angle)

 rotate(angle) 

Rotate image around the center.

Parameters:

ParameterTypeDescription
anglefloatThe 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 with this convenient method. Ideal for developers
seeking to adjust image orientation dynamically, ensuring optimal presentation and
alignment within their applications.

Parameters:

ParameterTypeDescription
anglefloatThe rotate angle in degrees. Positive values will rotate clockwise.
resize_proportionallyboolif 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_colorColorColor of the background.

Method: rotate_flip(rotate_flip_type)

 rotate_flip(rotate_flip_type) 

Easily manipulate the active frame by rotating, flipping, or performing both actions
simultaneously with this straightforward method. Ideal for developers who need to
dynamically adjust the orientation of specific frames within their image sequences,
ensuring optimal presentation and alignment.

Parameters:

ParameterTypeDescription
rotate_flip_typeRotateFlipTypeThe rotate flip type.

Method: rotate_flip_all(rotate_flip)

 rotate_flip_all(rotate_flip) 

Rotates the flip all.

Parameters:

ParameterTypeDescription
rotate_flipRotateFlipTypeThe rotate flip.

Method: save(file_path)

 save(file_path) 

Saves the image to the specified file location.

Parameters:

ParameterTypeDescription
file_pathstringThe file path to save the image to.

Method: save(file_path, options)

 save(file_path, options) 

Preserve the object’s data by saving it to the designated file (indexer + filename)
location along with specified file format and options. Ideal for developers seeking to
securely store data in various formats while maintaining flexibility and control over
saving parameters.

Parameters:

ParameterTypeDescription
file_pathstringThe file path.
optionsImageOptionsBaseThe 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:

ParameterTypeDescription
file_pathstringThe file path.
optionsImageOptionsBaseThe options.
bounds_rectangleRectangleThe 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:

ParameterTypeDescription
file_pathstringThe file path to save the object’s data to.
over_writeboolif set to true over write the file contents, otherwise append will occur.

Method: save(stream)

 save(stream) 

Saves the data.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to save 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to save the image’s data to.
options_baseImageOptionsBaseThe save options.

Method: save(stream, options_base, bounds_rectangle)

 save(stream, options_base, bounds_rectangle) 

Easily save your image data to a specified stream in the desired file format
using this convenient method. Whether you’re working with JPEG, PNG, or another format,
this function ensures that your image data is saved efficiently and accurately,
making it ideal for developers looking to streamline their file-saving processes.

Parameters:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to save the image’s data to.
options_baseImageOptionsBaseThe save options.
bounds_rectangleRectangleThe destination image bounds rectangle. Set the empty rectangle for use sourse bounds.

Method: save_all(file_path, options)

 save_all(file_path, options) 

Preserve the object’s data by saving it to the designated file (indexer + filename)
location along with specified file format and options. Ideal for developers seeking to
securely store data in various formats while maintaining flexibility and control over
saving parameters.

Parameters:

ParameterTypeDescription
file_pathstringThe file path.
optionsImageOptionsBaseThe options.

Method: save_argb_32_pixels(rectangle, pixels)

 save_argb_32_pixels(rectangle, pixels) 

Saves the 32-bit ARGB pixels.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to save pixels to.
pixelsintThe 32-bit ARGB pixels array.

Method: save_cmyk_32_pixels(rectangle, pixels)

 save_cmyk_32_pixels(rectangle, pixels) 

Saves the pixels.

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to save pixels to.
pixelsintThe 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:

ParameterTypeDescription
rectangleRectangleThe rectangle to save pixels to.
pixelsCmykColor[]The CMYK pixels array.

Method: save_pixels(rectangle, pixels)

 save_pixels(rectangle, pixels) 

Saves pixels (format specific method).

Parameters:

ParameterTypeDescription
rectangleRectangleThe rectangle to save pixels to.
pixelsColor[]The 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:

ParameterTypeDescription
databyteThe raw data.
data_offsetintThe starting raw data offset.
rectangleRectangleThe raw data rectangle.
raw_data_settingsRawDataSettingsThe 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:

ParameterTypeDescription
stream_io.BufferedRandomThe 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to save the image’s data to.
options_baseImageOptionsBaseThe 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:

ParameterTypeDescription
stream_io.BufferedRandomThe stream to save the image’s data to.
options_baseImageOptionsBaseThe save options.
bounds_rectangleRectangleThe 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:

ParameterTypeDescription
file_pathstringThe file path.
optionsImageOptionsBaseThe 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:

ParameterTypeDescription
file_pathstringThe file path.
optionsImageOptionsBaseThe options.
bounds_rectangleRectangleThe 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:

ParameterTypeDescription
xintThe pixel x location.
yintThe pixel y location.
argb_32_colorintThe 32-bit ARGB pixel for the specified position.

Method: set_palette(palette, update_colors)

 set_palette(palette, update_colors) 

Sets the image palette.

Parameters:

ParameterTypeDescription
paletteIColorPaletteThe palette to set.
update_colorsboolif 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:

ParameterTypeDescription
xintThe pixel x location.
yintThe pixel y location.
colorColorThe pixel color for the specified position.

Method: set_resolution(dpi_x, dpi_y)

 set_resolution(dpi_x, dpi_y) 

Adjust the resolution of this RasterImage with precision using this
straightforward method. Ideal for developers looking to tailor image resolution to
specific requirements, ensuring optimal display quality and file size management.

Parameters:

ParameterTypeDescription
dpi_xdoubleThe horizontal resolution, in dots per inch, of the RasterImage.
dpi_ydoubleThe 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:

ParameterTypeDescription
scan_line_indexintZero based index of the scan line.
argb_32_pixelsintThe 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:

ParameterTypeDescription
scan_line_indexintZero based index of the scan line.
pixelsColor[]The pixel colors array to write.

Examples

The following example performs gamma-correction of a DICOM image.

import aspose.pycore as aspycore
from aspose.imaging import Image
from aspose.imaging.fileformats.dicom import DicomImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join


dir_: str = "c:\\temp"
with Image.load(join(dir_, "sample.dicom")) as image:
	dicom_image = aspycore.as_of(image, DicomImage)
	# Set gamma coefficient for red, green and blue channels.
	dicom_image.adjust_gamma(2.5)
	dicom_image.save(join(dir_, "sample.AdjustGamma.png"), PngOptions())

The following example performs gamma-correction of a DICOM image applying different coefficients for color components.


import aspose.pycore as aspycore
from aspose.imaging import Image
from aspose.imaging.fileformats.dicom import DicomImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_ = "c:\\temp"
with Image.load(join(dir_, "sample.dicom")) as image:
	dicom_image = aspycore.as_of(image, DicomImage)
	# Set individual gamma coefficients for red, green and blue channels.
	dicom_image.adjust_gamma(1.5, 2.5, 3.5)
	dicom_image.save(join(dir_, "sample.AdjustGamma.png"), PngOptions())

The following example performs brightness correction of a DICOM image.


import aspose.pycore as aspycore
from aspose.imaging import Image
from aspose.imaging.fileformats.dicom import DicomImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_ = "c:\\temp"
with Image.load(join(dir_, "sample.dicom")) as image:
	dicom_image = aspycore.as_of(image, DicomImage)
	# Set the brightness value. The accepted values of brightness are in the range [-255, 255].
	dicom_image.adjust_brightness(50)
	dicom_image.save(join(dir_, "sample.AdjustBrightness.png"), PngOptions())

The following example performs contrast correction of a DICOM image.


import aspose.pycore as aspycore
from aspose.imaging import Image
from aspose.imaging.fileformats.dicom import DicomImage
from aspose.imaging.imageoptions import PngOptions
from os.path import join

dir_ = "c:\\temp"
with Image.load(join(dir_, "sample.dicom")) as image:
	dicom_image = aspycore.as_of(image, DicomImage)
	# Set the contrast value. The accepted values of contrast are in the range [-100f, 100f].
	dicom_image.adjust_contrast(50.0)
	dicom_image.save(join(dir_, "sample.AdjustContrast.png"), PngOptions())

Use RLE compression in DICOM image.


from aspose.imaging import Image
from aspose.imaging.fileformats.dicom import Compression, CompressionType, ColorType
from aspose.imaging.imageoptions import DicomOptions

with Image.load("original.jpg") as input_image:
	compr = Compression()
	compr.type_ = CompressionType.RLE
	options = DicomOptions()
	options.color_type = ColorType.RGB_24_BIT
	options.compression = compr
	input_image.save("original_RLE.dcm", options)

Change the color type in DICOM compression.


from aspose.imaging import Image
from aspose.imaging.imageoptions import DicomOptions
from aspose.imaging.fileformats.dicom import ColorType

with Image.load("original.jpg") as inputImage:
	options = DicomOptions()
	options.color_type = ColorType.GRAYSCALE_8_BIT
	inputImage.save("original_8Bit.dcm", options)