**Summary:** The raster multipage image **Module:** [aspose.imaging](/imaging/python-net/aspose.imaging/) **Full Name:** aspose.imaging.RasterCachedMultipageImage **Inheritance:** IObjectWithBounds, IMetadataContainer, IHasExifData, IHasMetadata, IHasXmpData, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IMultipageImage, RasterCachedImage ## **Properties** | **Name** | **Type** | **Access** | **Description** | | :- | :- | :- | :- | | auto_adjust_palette | bool | r/w | Gets or sets a value indicating whether automatic adjust palette. | | background_color | [Color](/imaging/python-net/aspose.imaging/color/) | r/w | Gets or sets a value for the background color. | | bits_per_pixel | int | r | Gets the image bits per pixel count. | | bounds | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | r | Gets the object bounds. | | buffer_size_hint | int | r/w | Gets or sets the buffer size hint which is defined max allowed size for all internal buffers. | | container | [Image](/imaging/python-net/aspose.imaging/image/) | r | Gets the [Image](/imaging/python-net/aspose.imaging/image/) container. | | data_stream_container | [StreamContainer](/imaging/python-net/aspose.imaging/streamcontainer/) | r | Gets the object's data stream. | | disposed | bool | r | Gets a value indicating whether this instance is disposed. | | exif_data | [ExifData](/imaging/python-net/aspose.imaging.exif/exifdata/) | r/w | Gets or sets Exif instance. | | file_format | [FileFormat](/imaging/python-net/aspose.imaging/fileformat/) | r | Gets a value of file 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 the image has a transparent color. | | height | int | r | Gets the image height. | | horizontal_resolution | float | r/w | Gets or sets the horizontal resolution, in pixels per inch, of this [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | image_opacity | float | r | Gets opacity of this image. | | interrupt_monitor | [InterruptMonitor](/imaging/python-net/aspose.imaging.multithreading/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. | | metadata | [ImageMetadata](/imaging/python-net/aspose.imaging.metadata/imagemetadata/) | r | Gets or sets XMP data from frame. | | page_count | int | r | Gets the page count. | | pages | [Image[]](/imaging/python-net/aspose.imaging/image/) | r | Gets the pages. | | palette | [IColorPalette](/imaging/python-net/aspose.imaging/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](/imaging/python-net/aspose.imaging/icolorconverter/) | r/w | Gets or sets the custom color converter | | raw_data_format | [PixelDataFormat](/imaging/python-net/aspose.imaging/pixeldataformat/) | r | Gets the raw data format. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/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](/imaging/python-net/aspose.imaging/iindexedcolorconverter/) | r/w | Gets or sets the indexed color converter | | raw_line_size | int | r | Gets the raw line size in bytes. | | size | [Size](/imaging/python-net/aspose.imaging/size/) | r | Gets the object size. | | transparent_color | [Color](/imaging/python-net/aspose.imaging/color/) | r/w | Gets the image transparent color. | | update_modified_date | bool | r/w | Gets or sets a value indicating whether to update this [Image](/imaging/python-net/aspose.imaging/image/) instance last modification datetime metadata on saving.
Modified date related [aspose.imaging.metadata](/imaging/python-net/aspose.imaging.metadata/) properties and internal image settings will be updated to the datetime of [DataStreamSupporter.save(stream)](/imaging/python-net/aspose.imaging/datastreamsupporter/) execution. | | 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 | float | r/w | Gets or sets the vertical resolution, in pixels per inch, of this [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | width | int | r | Gets the image width. | | xmp_data | [XmpPacketWrapper](/imaging/python-net/aspose.imaging.xmp/xmppacketwrapper/) | r/w | Gets or sets Xmp data. | ## **Methods** | **Name** | **Description** | | :- | :- | | [adjust_brightness(brightness)](#adjust_brightness_brightness_1) | Adjust of a _brightness_ for image. | | [adjust_contrast(contrast)](#adjust_contrast_contrast_2) | [Image](/imaging/python-net/aspose.imaging/image/) contrasting | | [adjust_gamma(gamma)](#adjust_gamma_gamma_3) | Gamma-correction of an image. | | [adjust_gamma(gamma_red, gamma_green, gamma_blue)](#adjust_gamma_gamma_red_gamma_green_gamma_blue_4) | Gamma-correction of an image. | | [analyze_percentage_digital_signature(password)](#analyze_percentage_digital_signature_password_5) | Calculates the percentage similarity between the extracted data and the original password. | | auto_brightness_contrast() | Performs automatic adaptive brightness and contrast normalization for the entire image. | | auto_rotate() | Automatically rotates the image based on orientation data extracted from Exif
metadata. This method ensures that images are displayed in the correct orientation,
enhancing user experience and eliminating the need for manual adjustments. By
analyzing Exif information, the image is rotated accordingly, providing a seamless
viewing experience across different platforms and devices. This automated rotation
process simplifies image handling and improves overall usability, especially when
dealing with large batches of images with varying orientations. | | [binarize_bradley(brightness_difference)](#binarize_bradley_brightness_difference_6) | Binarization of an image using Bradley's adaptive thresholding algorithm using the integral image thresholding | | [binarize_bradley(brightness_difference, window_size)](#binarize_bradley_brightness_difference_window_size_7) | Binarization of an image using Bradley's adaptive thresholding algorithm using the integral image thresholding | | [binarize_fixed(threshold)](#binarize_fixed_threshold_8) | Binarization of an image with predefined threshold | | binarize_otsu() | Binarization of an image with Otsu thresholding | | [blend(origin, overlay, overlay_alpha)](#blend_origin_overlay_overlay_alpha_9) | Blends this image instance with the _overlay_ image. | | [blend(origin, overlay, overlay_area, overlay_alpha)](#blend_origin_overlay_overlay_area_overlay_alpha_10) | Blends this image instance with the _overlay_ image. | | cache_data() | Caches the data private. | | [can_load(file_path)](#can_load_file_path_11) | Determines whether image can be loaded from the specified file path. | | [can_load(file_path, load_options)](#can_load_file_path_load_options_12) | Determines whether image can be loaded from the specified file path and optionally using the specified open options. | | [can_load(stream)](#can_load_stream_13) | Determines whether image can be loaded from the specified stream. | | [can_load(stream, load_options)](#can_load_stream_load_options_14) | Determines whether image can be loaded from the specified stream and optionally using the specified _loadOptions_. | | [can_load_stream(stream)](#can_load_stream_stream_15) | Determines whether image can be loaded from the specified stream. | | [can_load_stream_with_options(stream, load_options)](#can_load_stream_with_options_stream_load_options_16) | Determines whether image can be loaded from the specified stream and optionally using the specified _loadOptions_. | | [can_load_with_options(file_path, load_options)](#can_load_with_options_file_path_load_options_17) | Determines whether image can be loaded from the specified file path and optionally using the specified open options. | | [can_save(options)](#can_save_options_18) | Determines whether image can be saved to the specified file format represented by the passed save options. | | [create(files)](#create_files_19) | Creates the multipage image containing the specified files. | | [create(files, throw_exception_on_load_error)](#create_files_throw_exception_on_load_error_20) | Creates the multipage image containing the specified files. | | [create(image_options, width, height)](#create_image_options_width_height_21) | Creates a new image using the specified create options. | | [create(image_options, width, height, pixels)](#create_image_options_width_height_pixels_22) | Creates a [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) instance from the provided pixel array.

Validates that the specified width and height match the dimensions of the pixel data.
This method can only be used when the library is in Licensed mode. | | [create(images)](#create_images_23) | Creates a new image using the specified images as pages | | [create(images, dispose_images)](#create_images_dispose_images_24) | Creates a new image the specified images as pages. | | [create(multipage_create_options)](#create_multipage_create_options_25) | Creates the specified multipage create options. | | [create(width, height)](#create_width_height_26) | Creates a new raster image stored in memory. | | [create(width, height, argb_32_pixels)](#create_width_height_argb_32_pixels_27) | Creates a new raster image stored in memory. | | [create_from_files(files)](#create_from_files_files_28) | Creates the multipage image containing the specified files as lazy loading pages. | | [create_from_files(files, throw_exception_on_load_error)](#create_from_files_files_throw_exception_on_load_error_29) | Creates the multipage image containing the specified files as lazy loading pages. | | [create_from_images(images)](#create_from_images_images_30) | Creates a new image using the specified images as pages | | [create_from_images(images, dispose_images)](#create_from_images_images_dispose_images_31) | Creates a new image the specified images as pages. | | [crop(left_shift, right_shift, top_shift, bottom_shift)](#crop_left_shift_right_shift_top_shift_bottom_shift_32) | Crop image with shifts. | | [crop(rectangle)](#crop_rectangle_33) | Cropping the image. | | [dither(dithering_method, bits_count)](#dither_dithering_method_bits_count_34) | Performs dithering on the current image. | | [dither(dithering_method, bits_count, custom_palette)](#dither_dithering_method_bits_count_custom_palette_35) | Performs dithering on the current image. | | [embed_digital_signature(password)](#embed_digital_signature_password_36) | Embed digital sign based on provided password into each page of the image. | | [filter(rectangle, options)](#filter_rectangle_options_37) | Filters the specified rectangle. | | [get_argb_32_pixel(x, y)](#get_argb_32_pixel_x_y_38) | Gets an image 32-bit ARGB pixel. | | [get_default_argb_32_pixels(rectangle)](#get_default_argb_32_pixels_rectangle_39) | Gets the default 32-bit ARGB pixels array. | | [get_default_options(args)](#get_default_options_args_40) | Gets the default options. | | [get_default_pixels(rectangle, partial_pixel_loader)](#get_default_pixels_rectangle_partial_pixel_loader_41) | Gets the default pixels array using partial pixel loader. | | [get_default_raw_data(rectangle, partial_raw_data_loader, raw_data_settings)](#get_default_raw_data_rectangle_partial_raw_data_loader_raw_data_settings_42) | Gets the default raw data array using partial pixel loader. | | [get_default_raw_data(rectangle, raw_data_settings)](#get_default_raw_data_rectangle_raw_data_settings_43) | Gets the default raw data array. | | [get_file_format(file_path)](#get_file_format_file_path_44) | Gets the file format. | | [get_file_format(stream)](#get_file_format_stream_45) | Gets the file format. | | [get_file_format_of_stream(stream)](#get_file_format_of_stream_stream_46) | Gets the file format. | | [get_fitting_rectangle(rectangle, pixels, width, height)](#get_fitting_rectangle_rectangle_pixels_width_height_47) | Gets rectangle which fits the current image. | | [get_fitting_rectangle(rectangle, width, height)](#get_fitting_rectangle_rectangle_width_height_48) | Gets rectangle which fits the current image. | | [get_modify_date(use_default)](#get_modify_date_use_default_49) | Gets the datetime value the image was last modified. | | [get_original_options()](#get_original_options__50) | 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)](/imaging/python-net/aspose.imaging/datastreamsupporter/) 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)](/imaging/python-net/aspose.imaging/image/) method as the second parameter. | | [get_pixel(x, y)](#get_pixel_x_y_51) | Gets an image pixel. | | [get_proportional_height(width, height, new_width)](#get_proportional_height_width_height_new_width_52) | Gets a proportional height. | | [get_proportional_width(width, height, new_height)](#get_proportional_width_width_height_new_height_53) | Gets a proportional width. | | [get_serialized_stream(image_options, clipping_rectangle, page_number)](#get_serialized_stream_image_options_clipping_rectangle_page_number_54) | Converts to aps. | | [get_skew_angle()](#get_skew_angle__55) | 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 | | [is_digital_signed(password, percentage_threshold)](#is_digital_signed_password_percentage_threshold_56) | Performs a fast check to determine if the image is digitally signed, using the provided password and threshold. | | [load(file_path)](#load_file_path_57) | 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)](#load_file_path_load_options_58) | 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)](#load_stream_59) | Loads a new image from the specified stream. | | [load(stream, load_options)](#load_stream_load_options_60) | Loads a new image from the specified stream. | | [load_argb_32_pixels(rectangle)](#load_argb_32_pixels_rectangle_61) | Loads 32-bit ARGB pixels. | | [load_argb_64_pixels(rectangle)](#load_argb_64_pixels_rectangle_62) | Loads 64-bit ARGB pixels. | | [load_cmyk_32_pixels(rectangle)](#load_cmyk_32_pixels_rectangle_63) | Loads pixels in CMYK format. | | [load_cmyk_pixels(rectangle)](#load_cmyk_pixels_rectangle_64) | Loads pixels in CMYK format.
This method is deprecated. Please use more effective the [RasterImage.load_cmyk_32_pixels(rectangle)](/imaging/python-net/aspose.imaging/rasterimage/) method. | | [load_partial_argb_32_pixels(rectangle, partial_pixel_loader)](#load_partial_argb_32_pixels_rectangle_partial_pixel_loader_65) | Loads 32-bit ARGB pixels partially (by blocks). | | [load_partial_argb_64_pixels(rectangle, partial_pixel_loader)](#load_partial_argb_64_pixels_rectangle_partial_pixel_loader_66) | Loads 64-bit ARGB pixels partially by packs. | | [load_partial_pixels(desired_rectangle, pixel_loader)](#load_partial_pixels_desired_rectangle_pixel_loader_67) | Loads pixels partially by packs. | | [load_pixels(rectangle)](#load_pixels_rectangle_68) | Loads pixels. | | [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_69) | Loads raw data. | | [load_raw_data(rectangle, raw_data_settings, raw_data_loader)](#load_raw_data_rectangle_raw_data_settings_raw_data_loader_70) | Loads raw data. | | [load_stream(stream)](#load_stream_stream_71) | Loads a new image from the specified stream. | | [load_stream_with_options(stream, load_options)](#load_stream_with_options_stream_load_options_72) | Loads a new image from the specified stream. | | [load_with_options(file_path, load_options)](#load_with_options_file_path_load_options_73) | 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()](/imaging/python-net/aspose.imaging/rasterimage/) and [RasterImage.rotate(angle)](/imaging/python-net/aspose.imaging/rasterimage/) methods. | | [normalize_angle(resize_proportionally, background_color)](#normalize_angle_resize_proportionally_background_color_74) | 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()](/imaging/python-net/aspose.imaging/rasterimage/) and [RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color)](/imaging/python-net/aspose.imaging/rastercachedmultipageimage/) methods. | | normalize_histogram() | Normalizes the image histogram — adjust pixel values to use all available range. | | [read_argb_32_scan_line(scan_line_index)](#read_argb_32_scan_line_scan_line_index_75) | Reads the whole scan line by the specified scan line index. | | [read_scan_line(scan_line_index)](#read_scan_line_scan_line_index_76) | Reads the whole scan line by the specified scan line index. | | remove_metadata() | Removes this image instance metadata by setting this [IHasXmpData.xmp_data](/imaging/python-net/aspose.imaging.xmp/ihasxmpdata/) value to **None**. | | [replace_argb(old_color_argb, old_color_diff, new_color_argb)](#replace_argb_old_color_argb_old_color_diff_new_color_argb_77) | 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)](#replace_color_old_color_old_color_diff_new_color_78) | 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)](#replace_color_old_color_argb_old_color_diff_new_color_argb_79) | Replaces one color to another with allowed difference and preserves original alpha value to save smooth edges. | | [replace_non_transparent_colors(new_color)](#replace_non_transparent_colors_new_color_80) | 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)](#replace_non_transparent_colors_new_color_argb_81) | 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)](#resize_new_width_new_height_82) | Resizes the image. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) is used. | | [resize(new_width, new_height, resize_type)](#resize_new_width_new_height_resize_type_83) | Resizes the image. | | [resize(new_width, new_height, settings)](#resize_new_width_new_height_settings_84) | Resizes the image. | | [resize_by_settings(new_width, new_height, settings)](#resize_by_settings_new_width_new_height_settings_85) | Resizes the image. | | [resize_by_type(new_width, new_height, resize_type)](#resize_by_type_new_width_new_height_resize_type_86) | Resizes the image. | | [resize_height_proportionally(new_height)](#resize_height_proportionally_new_height_87) | Resizes the height proportionally. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) is used. | | [resize_height_proportionally(new_height, resize_type)](#resize_height_proportionally_new_height_resize_type_88) | Resizes the width proportionally. | | [resize_height_proportionally(new_height, settings)](#resize_height_proportionally_new_height_settings_89) | Resizes the height proportionally. | | [resize_height_proportionally_settings(new_height, settings)](#resize_height_proportionally_settings_new_height_settings_90) | Resizes the height proportionally. | | [resize_width_proportionally(new_width)](#resize_width_proportionally_new_width_91) | Resizes the width proportionally. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) is used. | | [resize_width_proportionally(new_width, resize_type)](#resize_width_proportionally_new_width_resize_type_92) | Resizes the width proportionally. | | [resize_width_proportionally(new_width, settings)](#resize_width_proportionally_new_width_settings_93) | Resizes the width proportionally. | | [resize_width_proportionally_settings(new_width, settings)](#resize_width_proportionally_settings_new_width_settings_94) | Resizes the width proportionally. | | [rotate(angle)](#rotate_angle_95) | Rotate image around the center. | | [rotate(angle, resize_proportionally, background_color)](#rotate_angle_resize_proportionally_background_color_96) | [RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color)](/imaging/python-net/aspose.imaging/rastercachedmultipageimage/) image around the center. | | [rotate_flip(rotate_flip_type)](#rotate_flip_rotate_flip_type_97) | Rotates, flips, or rotates and flips all pages. | | [rotate_flip_all(rotate_flip)](#rotate_flip_all_rotate_flip_98) | Rotates the flip all. | | save() | Saves the image data to the underlying stream. | | [save(file_path)](#save_file_path_99) | Saves the image to the specified file location. | | [save(file_path, options)](#save_file_path_options_100) | 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)](#save_file_path_options_bounds_rectangle_101) | Saves the object's data to the specified file location in the specified file format according to save options. | | [save(file_path, over_write)](#save_file_path_over_write_102) | Saves the object's data to the specified file location. | | [save(stream)](#save_stream_103) | Saves the object's data to the specified stream. | | [save(stream, options_base)](#save_stream_options_base_104) | Saves the image's data to the specified stream in the specified file format according to save options. | | [save(stream, options_base, bounds_rectangle)](#save_stream_options_base_bounds_rectangle_105) | Saves the image's data to the specified stream in the specified file format according to save options. | | [save_argb_32_pixels(rectangle, pixels)](#save_argb_32_pixels_rectangle_pixels_106) | Saves the 32-bit ARGB pixels. | | [save_cmyk_32_pixels(rectangle, pixels)](#save_cmyk_32_pixels_rectangle_pixels_107) | Saves the pixels. | | [save_cmyk_pixels(rectangle, pixels)](#save_cmyk_pixels_rectangle_pixels_108) | Saves the pixels.
This method is deprecated. Please use more effective the [RasterImage.save_cmyk_32_pixels(rectangle, pixels)](/imaging/python-net/aspose.imaging/rasterimage/) method. | | [save_pixels(rectangle, pixels)](#save_pixels_rectangle_pixels_109) | Saves the pixels internal main. | | [save_raw_data(data, data_offset, rectangle, raw_data_settings)](#save_raw_data_data_data_offset_rectangle_raw_data_settings_110) | Saves the raw data. | | [save_to_stream(stream)](#save_to_stream_stream_111) | Saves the object's data to the specified stream. | | [save_to_stream_with_options(stream, options_base)](#save_to_stream_with_options_stream_options_base_112) | 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)](#save_to_stream_with_options_rect_stream_options_base_bounds_rectangle_113) | Saves the image's data to the specified stream in the specified file format according to save options. | | [save_with_options(file_path, options)](#save_with_options_file_path_options_114) | 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)](#save_with_options_rect_file_path_options_bounds_rectangle_115) | 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)](#set_argb_32_pixel_x_y_argb_32_color_116) | Sets an image 32-bit ARGB pixel for the specified position. | | [set_palette(palette, update_colors)](#set_palette_palette_update_colors_117) | Sets the image palette. | | [set_pixel(x, y, color)](#set_pixel_x_y_color_118) | Sets an image pixel for the specified position. | | [set_resolution(dpi_x, dpi_y)](#set_resolution_dpi_x_dpi_y_119) | Sets the resolution for this [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | [try_set_metadata(metadata)](#try_set_metadata_metadata_120) | Tries to set a _metadata_ instance, if this [Image](/imaging/python-net/aspose.imaging/image/) instance supports and implements [IImageMetadataFormat](/imaging/python-net/aspose.imaging.metadata/iimagemetadataformat/) instance. | | [write_argb_32_scan_line(scan_line_index, argb_32_pixels)](#write_argb_32_scan_line_scan_line_index_argb_32_pixels_121) | Writes the whole scan line to the specified scan line index. | | [write_scan_line(scan_line_index, pixels)](#write_scan_line_scan_line_index_pixels_122) | Writes the whole scan line to the specified scan line index. | ### Method: adjust_brightness(brightness) {#adjust_brightness_brightness_1} ``` adjust_brightness(brightness) ``` Adjust of a _brightness_ for image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | brightness | int | Brightness value. | ### Method: adjust_contrast(contrast) {#adjust_contrast_contrast_2} ``` adjust_contrast(contrast) ``` [Image](/imaging/python-net/aspose.imaging/image/) contrasting **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | contrast | float | Contrast value (in range [-100; 100]) | ### Method: adjust_gamma(gamma) {#adjust_gamma_gamma_3} ``` 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_4} ``` 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: analyze_percentage_digital_signature(password) {#analyze_percentage_digital_signature_password_5} ``` analyze_percentage_digital_signature(password) ``` Calculates the percentage similarity between the extracted data and the original password. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | password | string | The password used to extract the embedded data. | **Returns** | Type | Description | | :- | :- | | int | The percentage similarity value. | **See also:** **[Example # 1](#example_248)**: The example illustrates how to determine the probability (from 0% to 100%) th... ### Method: binarize_bradley(brightness_difference) {#binarize_bradley_brightness_difference_6} ``` 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 | float | 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_7} ``` 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 | float | 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_8} ``` binarize_fixed(threshold) ``` Binarization of an image with predefined threshold **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | threshold | System.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_9} ``` blend(origin, overlay, overlay_alpha) ``` Blends this image instance with the _overlay_ image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | origin | [Point](/imaging/python-net/aspose.imaging/point/) | The background image blending origin. | | overlay | [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) | The overlay image. | | overlay_alpha | System.Byte | The overlay alpha. | ### Method: blend(origin, overlay, overlay_area, overlay_alpha) {#blend_origin_overlay_overlay_area_overlay_alpha_10} ``` blend(origin, overlay, overlay_area, overlay_alpha) ``` Blends this image instance with the _overlay_ image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | origin | [Point](/imaging/python-net/aspose.imaging/point/) | The background image blending origin. | | overlay | [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) | The overlay image. | | overlay_area | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The overlay area. | | overlay_alpha | System.Byte | The overlay alpha. | ### Method: can_load(file_path) [static] {#can_load_file_path_11} ``` 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_12} ``` 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](/imaging/python-net/aspose.imaging/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_13} ``` 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_14} ``` 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](/imaging/python-net/aspose.imaging/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_15} ``` 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_16} ``` 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](/imaging/python-net/aspose.imaging/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_17} ``` 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](/imaging/python-net/aspose.imaging/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_18} ``` 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](/imaging/python-net/aspose.imaging/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_19} ``` create(files) ``` Creates the multipage image containing the specified files. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | files | string[] | The files. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The multipage image | ### Method: create(files, throw_exception_on_load_error) [static] {#create_files_throw_exception_on_load_error_20} ``` 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](/imaging/python-net/aspose.imaging/image/) | The multipage image | ### Method: create(image_options, width, height) [static] {#create_image_options_width_height_21} ``` create(image_options, width, height) ``` Creates a new image using the specified create options. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | image_options | [ImageOptionsBase](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The image options. | | width | int | The width. | | height | int | The height. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The newly created image. | ### Method: create(image_options, width, height, pixels) [static] {#create_image_options_width_height_pixels_22} ``` create(image_options, width, height, pixels) ``` Creates a [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) instance from the provided pixel array.

Validates that the specified width and height match the dimensions of the pixel data.
This method can only be used when the library is in Licensed mode. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | image_options | [ImageOptionsBase](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options used to create the [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | width | int | The width of the [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | height | int | The height of the [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | pixels | int[] | The array of pixel values used to populate the image. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | A [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) populated with the provided pixel data. | ### Method: create(images) [static] {#create_images_23} ``` create(images) ``` Creates a new image using the specified images as pages **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | images | [Image[]](/imaging/python-net/aspose.imaging/image/) | The images. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The Image as IMultipageImage | ### Method: create(images, dispose_images) [static] {#create_images_dispose_images_24} ``` create(images, dispose_images) ``` Creates a new image the specified images as pages. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | images | [Image[]](/imaging/python-net/aspose.imaging/image/) | The images. | | dispose_images | bool | if set to true [dispose images]. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The Image as IMultipageImage | ### Method: create(multipage_create_options) [static] {#create_multipage_create_options_25} ``` create(multipage_create_options) ``` Creates the specified multipage create options. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | multipage_create_options | [MultipageCreateOptions](/imaging/python-net/aspose.imaging.imageoptions/multipagecreateoptions/) | The multipage create options. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The multipage image | ### Method: create(width, height) [static] {#create_width_height_26} ``` create(width, height) ``` Creates a new raster image stored in memory. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | width | int | The width in pixels. | | height | int | The height in pixels. | **Returns** | Type | Description | | :- | :- | | [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) | The newly created raster image. | ### Method: create(width, height, argb_32_pixels) [static] {#create_width_height_argb_32_pixels_27} ``` create(width, height, argb_32_pixels) ``` Creates a new raster image stored in memory. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | width | int | The width in pixels. | | height | int | The height in pixels. | | argb_32_pixels | int[] | The ARGB32 pixels for putting into the new image. | **Returns** | Type | Description | | :- | :- | | [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/) | The newly created raster image. | ### Method: create_from_files(files) [static] {#create_from_files_files_28} ``` 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](/imaging/python-net/aspose.imaging/image/) | The multipage image | ### Method: create_from_files(files, throw_exception_on_load_error) [static] {#create_from_files_files_throw_exception_on_load_error_29} ``` 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](/imaging/python-net/aspose.imaging/image/) | The multipage image | ### Method: create_from_images(images) [static] {#create_from_images_images_30} ``` create_from_images(images) ``` Creates a new image using the specified images as pages **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | images | [Image[]](/imaging/python-net/aspose.imaging/image/) | The images. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The Image as IMultipageImage | ### Method: create_from_images(images, dispose_images) [static] {#create_from_images_images_dispose_images_31} ``` create_from_images(images, dispose_images) ``` Creates a new image the specified images as pages. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | images | [Image[]](/imaging/python-net/aspose.imaging/image/) | The images. | | dispose_images | bool | if set to true [dispose images]. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The Image as IMultipageImage | ### Method: crop(left_shift, right_shift, top_shift, bottom_shift) {#crop_left_shift_right_shift_top_shift_bottom_shift_32} ``` 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_33} ``` crop(rectangle) ``` Cropping the image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle. | ### Method: dither(dithering_method, bits_count) {#dither_dithering_method_bits_count_34} ``` dither(dithering_method, bits_count) ``` Performs dithering on the current image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | dithering_method | [DitheringMethod](/imaging/python-net/aspose.imaging/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_35} ``` dither(dithering_method, bits_count, custom_palette) ``` Performs dithering on the current image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | dithering_method | [DitheringMethod](/imaging/python-net/aspose.imaging/ditheringmethod/) | The dithering method. | | bits_count | int | The final bits count for dithering. | | custom_palette | [IColorPalette](/imaging/python-net/aspose.imaging/icolorpalette/) | The custom palette for dithering. | ### Method: embed_digital_signature(password) {#embed_digital_signature_password_36} ``` embed_digital_signature(password) ``` Embed digital sign based on provided password into each page of the image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | password | string | The password used for generate digital sign data | **See also:** **[Example # 1](#example_246)**: The example shows how to embed digital signature based on provided password i... ### Method: filter(rectangle, options) {#filter_rectangle_options_37} ``` filter(rectangle, options) ``` Filters the specified rectangle. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle. | | options | [FilterOptionsBase](/imaging/python-net/aspose.imaging.imagefilters.filteroptions/filteroptionsbase/) | The options. | ### Method: get_argb_32_pixel(x, y) {#get_argb_32_pixel_x_y_38} ``` 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_39} ``` get_default_argb_32_pixels(rectangle) ``` Gets the default 32-bit ARGB pixels array. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to get pixels for. | **Returns** | Type | Description | | :- | :- | | int[] | The default pixels array. | ### Method: get_default_options(args) {#get_default_options_args_40} ``` get_default_options(args) ``` Gets the default options. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | args | System.Object | The arguments. | **Returns** | Type | Description | | :- | :- | | [ImageOptionsBase](/imaging/python-net/aspose.imaging/imageoptionsbase/) | Default options | ### Method: get_default_pixels(rectangle, partial_pixel_loader) {#get_default_pixels_rectangle_partial_pixel_loader_41} ``` get_default_pixels(rectangle, partial_pixel_loader) ``` Gets the default pixels array using partial pixel loader. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to get pixels for. | | partial_pixel_loader | [IPartialArgb32PixelLoader](/imaging/python-net/aspose.imaging/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_42} ``` 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](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to get pixels for. | | partial_raw_data_loader | [IPartialRawDataLoader](/imaging/python-net/aspose.imaging/ipartialrawdataloader/) | The partial raw data loader. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/rawdatasettings/) | The raw data settings. | ### Method: get_default_raw_data(rectangle, raw_data_settings) {#get_default_raw_data_rectangle_raw_data_settings_43} ``` get_default_raw_data(rectangle, raw_data_settings) ``` Gets the default raw data array. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to get raw data for. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/rawdatasettings/) | The raw data settings. | **Returns** | Type | Description | | :- | :- | | System.Byte | The default raw data array. | ### Method: get_file_format(file_path) [static] {#get_file_format_file_path_44} ``` get_file_format(file_path) ``` Gets the file format. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | file_path | string | The file path. | **Returns** | Type | Description | | :- | :- | | [FileFormat](/imaging/python-net/aspose.imaging/fileformat/) | The determined file format. | ### Method: get_file_format(stream) [static] {#get_file_format_stream_45} ``` get_file_format(stream) ``` Gets the file format. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | stream | _io.BufferedRandom | The stream. | **Returns** | Type | Description | | :- | :- | | [FileFormat](/imaging/python-net/aspose.imaging/fileformat/) | The determined file format. | ### Method: get_file_format_of_stream(stream) [static] {#get_file_format_of_stream_stream_46} ``` get_file_format_of_stream(stream) ``` Gets the file format. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | stream | _io.BufferedRandom | The stream. | **Returns** | Type | Description | | :- | :- | | [FileFormat](/imaging/python-net/aspose.imaging/fileformat/) | The determined file format. | ### Method: get_fitting_rectangle(rectangle, pixels, width, height) [static] {#get_fitting_rectangle_rectangle_pixels_width_height_47} ``` get_fitting_rectangle(rectangle, pixels, width, height) ``` Gets rectangle which fits the current image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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](/imaging/python-net/aspose.imaging/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_48} ``` get_fitting_rectangle(rectangle, width, height) ``` Gets rectangle which fits the current image. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to get fitting rectangle for. | | width | int | The object width. | | height | int | The object height. | **Returns** | Type | Description | | :- | :- | | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The fitting rectangle or exception if no fitting rectangle can be found. | ### Method: get_modify_date(use_default) {#get_modify_date_use_default_49} ``` get_modify_date(use_default) ``` Gets the datetime value the image was last modified. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | use_default | bool | If value is to **True**, it returns of the image source file.
Otherwise, it tries to parse it from [Image.xmp_data](/imaging/python-net/aspose.imaging/image/) or [Image.exif_data](/imaging/python-net/aspose.imaging/image/). | **Returns** | Type | Description | | :- | :- | | System.DateTime | datetime or min date value in case the value is absent or a parsing error occured. | ### Method: get_original_options() {#get_original_options__50} ``` 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)](/imaging/python-net/aspose.imaging/datastreamsupporter/) 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)](/imaging/python-net/aspose.imaging/image/) method as the second parameter. **Returns** | Type | Description | | :- | :- | | [ImageOptionsBase](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options based on the original file settings. | ### Method: get_pixel(x, y) {#get_pixel_x_y_51} ``` 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](/imaging/python-net/aspose.imaging/color/) | The pixel color for the specified location. | ### Method: get_proportional_height(width, height, new_width) [static] {#get_proportional_height_width_height_new_width_52} ``` 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_53} ``` 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_54} ``` get_serialized_stream(image_options, clipping_rectangle, page_number) ``` Converts to aps. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | image_options | [ImageOptionsBase](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The image options. | | clipping_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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__55} ``` 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: is_digital_signed(password, percentage_threshold) {#is_digital_signed_password_percentage_threshold_56} ``` is_digital_signed(password, percentage_threshold) ``` Performs a fast check to determine if the image is digitally signed, using the provided password and threshold. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | password | string | The password to check the signing. | | percentage_threshold | int | The threshold (in percentage)[0-100] that determines if the image is considered signed.
If not specified, a default threshold (75) will be applied. | **Returns** | Type | Description | | :- | :- | | bool | True if the image is signed, otherwise false. | **See also:** **[Example # 1](#example_245)**: The example shows how to validate that the embedded digital signature matches... **[Example # 2](#example_247)**: The example demonstrates how to verify that the embedded digital signature ma... ### Method: load(file_path) [static] {#load_file_path_57} ``` 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](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load(file_path, load_options) [static] {#load_file_path_load_options_58} ``` 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](/imaging/python-net/aspose.imaging/loadoptions/) | The load options. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load(stream) [static] {#load_stream_59} ``` 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](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load(stream, load_options) [static] {#load_stream_load_options_60} ``` 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](/imaging/python-net/aspose.imaging/loadoptions/) | The load options. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load_argb_32_pixels(rectangle) {#load_argb_32_pixels_rectangle_61} ``` load_argb_32_pixels(rectangle) ``` Loads 32-bit ARGB pixels. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_62} ``` load_argb_64_pixels(rectangle) ``` Loads 64-bit ARGB pixels. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load pixels from. | **Returns** | Type | Description | | :- | :- | | int[] | The loaded 64-bit ARGB pixels array. | ### Method: load_cmyk_32_pixels(rectangle) {#load_cmyk_32_pixels_rectangle_63} ``` load_cmyk_32_pixels(rectangle) ``` Loads pixels in CMYK format. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_64} ``` load_cmyk_pixels(rectangle) ``` Loads pixels in CMYK format.
This method is deprecated. Please use more effective the [RasterImage.load_cmyk_32_pixels(rectangle)](/imaging/python-net/aspose.imaging/rasterimage/) method. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load pixels from. | **Returns** | Type | Description | | :- | :- | | [CmykColor[]](/imaging/python-net/aspose.imaging/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_65} ``` load_partial_argb_32_pixels(rectangle, partial_pixel_loader) ``` Loads 32-bit ARGB pixels partially (by blocks). **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load pixels from. | | partial_pixel_loader | [IPartialArgb32PixelLoader](/imaging/python-net/aspose.imaging/ipartialargb32pixelloader/) | The partial pixel loader. | ### Method: load_partial_argb_64_pixels(rectangle, partial_pixel_loader) {#load_partial_argb_64_pixels_rectangle_partial_pixel_loader_66} ``` load_partial_argb_64_pixels(rectangle, partial_pixel_loader) ``` Loads 64-bit ARGB pixels partially by packs. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The desired rectangle. | | partial_pixel_loader | [IPartialArgb64PixelLoader](/imaging/python-net/aspose.imaging/ipartialargb64pixelloader/) | The 64-bit ARGB pixel loader. | ### Method: load_partial_pixels(desired_rectangle, pixel_loader) {#load_partial_pixels_desired_rectangle_pixel_loader_67} ``` load_partial_pixels(desired_rectangle, pixel_loader) ``` Loads pixels partially by packs. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | desired_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The desired rectangle. | | pixel_loader | [IPartialPixelLoader](/imaging/python-net/aspose.imaging/ipartialpixelloader/) | The pixel loader. | ### Method: load_pixels(rectangle) {#load_pixels_rectangle_68} ``` load_pixels(rectangle) ``` Loads pixels. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load pixels from. | **Returns** | Type | Description | | :- | :- | | [Color[]](/imaging/python-net/aspose.imaging/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_69} ``` load_raw_data(rectangle, dest_image_bounds, raw_data_settings, raw_data_loader) ``` Loads raw data. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load raw data from. | | dest_image_bounds | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The dest image bounds. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/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](/imaging/python-net/aspose.imaging/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_70} ``` load_raw_data(rectangle, raw_data_settings, raw_data_loader) ``` Loads raw data. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to load raw data from. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/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](/imaging/python-net/aspose.imaging/ipartialrawdataloader/) | The raw data loader. | ### Method: load_stream(stream) [static] {#load_stream_stream_71} ``` 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](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load_stream_with_options(stream, load_options) [static] {#load_stream_with_options_stream_load_options_72} ``` 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](/imaging/python-net/aspose.imaging/loadoptions/) | The load options. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: load_with_options(file_path, load_options) [static] {#load_with_options_file_path_load_options_73} ``` 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](/imaging/python-net/aspose.imaging/loadoptions/) | The load options. | **Returns** | Type | Description | | :- | :- | | [Image](/imaging/python-net/aspose.imaging/image/) | The loaded image. | ### Method: normalize_angle(resize_proportionally, background_color) {#normalize_angle_resize_proportionally_background_color_74} ``` 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()](/imaging/python-net/aspose.imaging/rasterimage/) and [RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color)](/imaging/python-net/aspose.imaging/rastercachedmultipageimage/) 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](/imaging/python-net/aspose.imaging/color/) | Color of the background. | ### Method: read_argb_32_scan_line(scan_line_index) {#read_argb_32_scan_line_scan_line_index_75} ``` 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_76} ``` 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[]](/imaging/python-net/aspose.imaging/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_77} ``` 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 | System.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_78} ``` 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](/imaging/python-net/aspose.imaging/color/) | | | old_color_diff | System.Byte | Allowed difference in old color to be able to widen replaced color tone. | | new_color | [Color](/imaging/python-net/aspose.imaging/color/) | | ### Method: replace_color(old_color_argb, old_color_diff, new_color_argb) {#replace_color_old_color_argb_old_color_diff_new_color_argb_79} ``` 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 | System.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_80} ``` 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](/imaging/python-net/aspose.imaging/color/) | | ### Method: replace_non_transparent_colors(new_color_argb) {#replace_non_transparent_colors_new_color_argb_81} ``` 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_82} ``` resize(new_width, new_height) ``` Resizes the image. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) 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_83} ``` 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](/imaging/python-net/aspose.imaging/resizetype/) | The resize type. | ### Method: resize(new_width, new_height, settings) {#resize_new_width_new_height_settings_84} ``` 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](/imaging/python-net/aspose.imaging/imageresizesettings/) | The resize settings. | ### Method: resize_by_settings(new_width, new_height, settings) {#resize_by_settings_new_width_new_height_settings_85} ``` 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](/imaging/python-net/aspose.imaging/imageresizesettings/) | The resize settings. | ### Method: resize_by_type(new_width, new_height, resize_type) {#resize_by_type_new_width_new_height_resize_type_86} ``` 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](/imaging/python-net/aspose.imaging/resizetype/) | The resize type. | ### Method: resize_height_proportionally(new_height) {#resize_height_proportionally_new_height_87} ``` resize_height_proportionally(new_height) ``` Resizes the height proportionally. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) 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_88} ``` resize_height_proportionally(new_height, resize_type) ``` Resizes the width proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_height | int | The new height. | | resize_type | [ResizeType](/imaging/python-net/aspose.imaging/resizetype/) | Type of the resize. | ### Method: resize_height_proportionally(new_height, settings) {#resize_height_proportionally_new_height_settings_89} ``` resize_height_proportionally(new_height, settings) ``` Resizes the height proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_height | int | The new height. | | settings | [ImageResizeSettings](/imaging/python-net/aspose.imaging/imageresizesettings/) | The image resize settings. | ### Method: resize_height_proportionally_settings(new_height, settings) {#resize_height_proportionally_settings_new_height_settings_90} ``` resize_height_proportionally_settings(new_height, settings) ``` Resizes the height proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_height | int | The new height. | | settings | [ImageResizeSettings](/imaging/python-net/aspose.imaging/imageresizesettings/) | The image resize settings. | ### Method: resize_width_proportionally(new_width) {#resize_width_proportionally_new_width_91} ``` resize_width_proportionally(new_width) ``` Resizes the width proportionally. The default [ResizeType.NEAREST_NEIGHBOUR_RESAMPLE](/imaging/python-net/aspose.imaging/resizetype/) 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_92} ``` resize_width_proportionally(new_width, resize_type) ``` Resizes the width proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_width | int | The new width. | | resize_type | [ResizeType](/imaging/python-net/aspose.imaging/resizetype/) | Type of the resize. | ### Method: resize_width_proportionally(new_width, settings) {#resize_width_proportionally_new_width_settings_93} ``` resize_width_proportionally(new_width, settings) ``` Resizes the width proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_width | int | The new width. | | settings | [ImageResizeSettings](/imaging/python-net/aspose.imaging/imageresizesettings/) | The image resize settings. | ### Method: resize_width_proportionally_settings(new_width, settings) {#resize_width_proportionally_settings_new_width_settings_94} ``` resize_width_proportionally_settings(new_width, settings) ``` Resizes the width proportionally. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | new_width | int | The new width. | | settings | [ImageResizeSettings](/imaging/python-net/aspose.imaging/imageresizesettings/) | The image resize settings. | ### Method: rotate(angle) {#rotate_angle_95} ``` 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_96} ``` rotate(angle, resize_proportionally, background_color) ``` [RasterCachedMultipageImage.rotate(angle, resize_proportionally, background_color)](/imaging/python-net/aspose.imaging/rastercachedmultipageimage/) 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](/imaging/python-net/aspose.imaging/color/) | Color of the background. | ### Method: rotate_flip(rotate_flip_type) {#rotate_flip_rotate_flip_type_97} ``` rotate_flip(rotate_flip_type) ``` Rotates, flips, or rotates and flips all pages. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rotate_flip_type | [RotateFlipType](/imaging/python-net/aspose.imaging/rotatefliptype/) | The rotate flip type. | ### Method: rotate_flip_all(rotate_flip) {#rotate_flip_all_rotate_flip_98} ``` rotate_flip_all(rotate_flip) ``` Rotates the flip all. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rotate_flip | [RotateFlipType](/imaging/python-net/aspose.imaging/rotatefliptype/) | The rotate flip. | ### Method: save(file_path) {#save_file_path_99} ``` 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_100} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options. | ### Method: save(file_path, options, bounds_rectangle) {#save_file_path_options_bounds_rectangle_101} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options. | | bounds_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_102} ``` 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_103} ``` 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_104} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The save options. | ### Method: save(stream, options_base, bounds_rectangle) {#save_stream_options_base_bounds_rectangle_105} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The save options. | | bounds_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_106} ``` save_argb_32_pixels(rectangle, pixels) ``` Saves the 32-bit ARGB pixels. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_107} ``` save_cmyk_32_pixels(rectangle, pixels) ``` Saves the pixels. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_108} ``` save_cmyk_pixels(rectangle, pixels) ``` Saves the pixels.
This method is deprecated. Please use more effective the [RasterImage.save_cmyk_32_pixels(rectangle, pixels)](/imaging/python-net/aspose.imaging/rasterimage/) method. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle to save pixels to. | | pixels | [CmykColor[]](/imaging/python-net/aspose.imaging/cmykcolor/) | The CMYK pixels array. | ### Method: save_pixels(rectangle, pixels) {#save_pixels_rectangle_pixels_109} ``` save_pixels(rectangle, pixels) ``` Saves the pixels internal main. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The rectangle. | | pixels | [Color[]](/imaging/python-net/aspose.imaging/color/) | The pixels. | ### Method: save_raw_data(data, data_offset, rectangle, raw_data_settings) {#save_raw_data_data_data_offset_rectangle_raw_data_settings_110} ``` save_raw_data(data, data_offset, rectangle, raw_data_settings) ``` Saves the raw data. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | data | System.Byte | The raw data. | | data_offset | int | The starting raw data offset. | | rectangle | [Rectangle](/imaging/python-net/aspose.imaging/rectangle/) | The raw data rectangle. | | raw_data_settings | [RawDataSettings](/imaging/python-net/aspose.imaging/rawdatasettings/) | The raw data settings the data is in. | ### Method: save_to_stream(stream) {#save_to_stream_stream_111} ``` 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_112} ``` 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](/imaging/python-net/aspose.imaging/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_113} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The save options. | | bounds_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_114} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options. | ### Method: save_with_options_rect(file_path, options, bounds_rectangle) {#save_with_options_rect_file_path_options_bounds_rectangle_115} ``` 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](/imaging/python-net/aspose.imaging/imageoptionsbase/) | The options. | | bounds_rectangle | [Rectangle](/imaging/python-net/aspose.imaging/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_116} ``` 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_117} ``` set_palette(palette, update_colors) ``` Sets the image palette. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | palette | [IColorPalette](/imaging/python-net/aspose.imaging/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_118} ``` 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](/imaging/python-net/aspose.imaging/color/) | The pixel color for the specified position. | ### Method: set_resolution(dpi_x, dpi_y) {#set_resolution_dpi_x_dpi_y_119} ``` set_resolution(dpi_x, dpi_y) ``` Sets the resolution for this [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | dpi_x | float | The horizontal resolution, in dots per inch, of the [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | | dpi_y | float | The vertical resolution, in dots per inch, of the [RasterImage](/imaging/python-net/aspose.imaging/rasterimage/). | ### Method: try_set_metadata(metadata) {#try_set_metadata_metadata_120} ``` try_set_metadata(metadata) ``` Tries to set a _metadata_ instance, if this [Image](/imaging/python-net/aspose.imaging/image/) instance supports and implements [IImageMetadataFormat](/imaging/python-net/aspose.imaging.metadata/iimagemetadataformat/) instance. **Parameters:** | Parameter | Type | Description | | :- | :- | :- | | metadata | [IImageMetadataFormat](/imaging/python-net/aspose.imaging.metadata/iimagemetadataformat/) | The metadata. | **Returns** | Type | Description | | :- | :- | | bool | True if _metadata_ is not null and the [IMetadataContainer](/imaging/python-net/aspose.imaging/imetadatacontainer/) instance
supports and/or implements [IImageMetadataFormat](/imaging/python-net/aspose.imaging.metadata/iimagemetadataformat/) instance; otherwise, false. | ### Method: write_argb_32_scan_line(scan_line_index, argb_32_pixels) {#write_argb_32_scan_line_scan_line_index_argb_32_pixels_121} ``` 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_122} ``` 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[]](/imaging/python-net/aspose.imaging/color/) | The pixel colors array to write. | ## **Examples** ### The example shows how to validate that the embedded digital signature matches the provided password. {#example_245} ``` python from aspose.imaging import Image with Image.load(output_path) as image: is_signed = image.is_digital_signed(password, -1) ``` ### The example shows how to embed digital signature based on provided password into image pixel data. {#example_246} ``` python from aspose.imaging import Image image_file_path = "ball.png" password = "veryStr0ngPassword" with Image.load(image_file_path) as image: image.embed_digital_signature(password) image.save(output_path) ``` ### The example demonstrates how to verify that the embedded digital signature matches the provided password against the specified probability threshold. {#example_247} ``` python from aspose.imaging import Image threshold = 100 with Image.load(output_path) as image: is_signed = image.is_digital_signed(password, threshold) ``` ### The example illustrates how to determine the probability (from 0% to 100%) that an image contains a digital signature created with the specified password. {#example_248} ``` python from aspose.imaging import Image with Image.load(output_path) as image: signed_percentage = image.analyze_percentage_digital_signature(password) ```