#include <bitmap.h>

Definition

Encapsulates a GDI+ bitmap, which consists of the pixel data for a graphics image and its attributes. A bitmap is an object used to work with images defined by pixel data.

class drawing_export_ bitmap : public xtd::drawing::image

Inheritance: xtd::object → xtd::drawing::image → xtd::drawing::bitmap

Namespace: xtd::drawing

Library: xtd.drawing

Remarks: To draw an image on a Windows Form, you should use one of the draw_image methods.

Examples:: about_box.cpp, about_dialog.cpp, about_dialog_system.cpp, colored_tab_pages.cpp, countries.cpp, and fill_rectangle.cpp.

Fields
static bitmap	empty
	Represent an empty bitmap. More...

Constructors
	bitmap (const image &original)
	Initializes a new instance of the bitmap class from the specified existing image. More...

	bitmap (const image &original, const xtd::drawing::size &new_size)
	Initializes a new instance of the bitmap class from the specified existing image, scaled to the specified size. More...

	bitmap (const image &original, const rectangle &new_rect)
	Initializes a new instance of the bitmap class from the specified existing image, scaled to the specified rectangle. More...

	bitmap (const xtd::ustring &filename)
	Initializes a new instance of the bitmap class from the specified file. More...

	bitmap (std::istream &stream)
	Initializes a new instance of the bitmap class from the specified data stream. More...

	bitmap (const char const bits)
	Initializes a new instance of the bitmap class from the specified data xpm. More...

	bitmap (int32_t width, int32_t height)
	Initializes a new instance of the Bitmap class with the specified size. More...

	bitmap (const xtd::drawing::size &size)
	Initializes a new instance of the Bitmap class with the specified size. More...

Methods
bitmap	clone (const rectangle &rect)
	Creates a copy of the section of this Bitmap defined with a specified rectangle. More...

bitmap	clone (const rectangle_f &rect)
	Creates a copy of the section of this Bitmap defined with a specified rectangle. More...

drawing::color	get_pixel (int32_t x, int32_t y) const
	Gets the color of the specified pixel in this bitmap. More...

void	set_pixel (int32_t x, int32_t y, const drawing::color &color)
	Sets the color of the specified pixel in this bitmap. More...

Additional Inherited Members
Static Public Attributes inherited from xtd::drawing::image
static image	empty
	Represent an empty xtd::drawing::image. More...

Public Member Functions inherited from xtd::drawing::image
int32_t	flags () const
	Gets attribute flags for the pixel data of this xtd::drawing::image. More...

std::vector< guid >	frame_dimentions_list () const
	Gets an array of GUIDs that represent the dimensions of frames within this image. More...

intptr_t	handle () const
	Gets the handle of this image. More...

int32_t	height () const
	Gets the height, in pixels, of this image. More...

float	horizontal_resolution () const
	Gets the horizontal resolution, in pixels per inch, of this image. More...

imaging::color_palette	palette () const
	Gets the color palette used for this image. More...

void	palette (const imaging::color_palette &palette)
	Sets the color palette used for this image. More...

const size_f &	physical_dimension () const
	Gets the width and height of this image. More...

imaging::pixel_format	pixel_format () const
	Gets the pixel format for this image. More...

const std::vector< int32_t > &	property_id_list () const
	Gets IDs of the property items stored in this image. More...

const std::vector< imaging::property_item > &	property_items () const
	Gets all the property items (pieces of metadata) stored in this image. More...

const imaging::image_format &	raw_format () const
	Gets the file format of this image. More...

const drawing::size &	size () const
	Gets the width and height, in pixels, of this image. More...

const std::any &	tag () const
	Gets an object that provides additional data about the image. More...

void	tag (const std::any &tag)
	Sets an object that provides additional data about the image. More...

float	vertical_resolution () const
	Gets the vertical resolution, in pixels per inch, of this image. More...

int32_t	width () const
	Gets the width, in pixels, of this image. More...

graphics	create_graphics ()
	Creates the xtd::drawing::graphics for the image. More...

xtd::drawing::rectangle_f	get_bounds (xtd::drawing::graphics_unit page_unit) const
	Gets the bounds of the image in the specified unit. More...

xtd::drawing::imaging::encoder_parameters	get_encoder_parameter_list (xtd::guid encoder) const
	Returns information about the parameters supported by the specified image encoder. More...

size_t	get_frame_count (const xtd::drawing::imaging::frame_dimension &dimension) const
	Returns the number of frames of the specified dimension. More...

xtd::drawing::imaging::property_item	get_property_item (int32_t propid)
	Gets the specified property item from this xtd::drawing::image. More...

xtd::drawing::image	get_thmbnail_image (int32_t thumb_width, int32_t thunb_height)
	Returns a thumbnail for this xtd::drawing::image. More...

void	rotate_flip (xtd::drawing::rotate_flip_type rotate_flip_type)
	Rotates, flips, or rotates and flips the xtd::drawing::image. More...

void	save (const xtd::ustring &filename) const
	Saves this xtd::drawing::image to the specified file or stream. More...

void	save (const xtd::ustring &filename, const xtd::drawing::imaging::image_format &format) const
	Saves this xtd::drawing::image to the specified file in the specified format. More...

void	save (std::ostream &stream, const xtd::drawing::imaging::image_format &format) const
	Saves this image to the specified stream in the specified format. More...

Public Member Functions inherited from xtd::object
	object ()=default
	Create a new instance of the ultimate base class object. More...

virtual bool	equals (const object &obj) const noexcept
	Determines whether the specified object is equal to the current object. More...

virtual size_t	get_hash_code () const noexcept
	Serves as a hash function for a particular type. More...

template<typename object_t >
std::unique_ptr< object_t >	memberwise_clone () const
	Gets the type of the current instance. More...

virtual xtd::ustring	to_string () const noexcept
	Returns a sxd::ustring that represents the current object. More...

Static Public Member Functions inherited from xtd::drawing::image
static image	from_file (const xtd::ustring &filename)
	Creates an image from the specified file. More...

static bitmap	from_hbitmap (intptr_t hbitmap)
	Creates a xtd::drawing::bitmap from a handle to a GDI bitmap. More...

static image	from_stream (std::istream &stream)
	Creates an xtd::drawing::image from the specified data stream. More...

static image	from_data (const char const bits)
	Creates an xtd::drawing::image from the specified data pointer. More...

static int32_t	get_pixel_format_size (xtd::drawing::imaging::pixel_format pixfmt)
	Returns the color depth, in number of bits per pixel, of the specified pixel format. More...

static bool	is_alpha_pixel_format (xtd::drawing::imaging::pixel_format pixfmt)
	Returns a value that indicates whether the pixel format for this xtd::drawing::image contains alpha information. More...

static bool	is_canonical_pixel_format (xtd::drawing::imaging::pixel_format pixfmt)
	Returns a value that indicates whether the pixel format is 32 bits per pixel. More...

static bool	is_extended_pixel_format (xtd::drawing::imaging::pixel_format pixfmt)
	Returns a value that indicates whether the pixel format is 64 bits per pixel. More...

Static Public Member Functions inherited from xtd::object
static bool	equals (const object &object_a, const object &object_b) noexcept
	Determines whether the specified object instances are considered equal. More...

static bool	reference_equals (const object &object_a, const object &object_b) noexcept
	Determines whether the specified object instances are the same instance. More...

Constructor & Destructor Documentation

◆ bitmap() [1/8]

xtd::drawing::bitmap::bitmap ( const image & original )

inlineexplicit

Initializes a new instance of the bitmap class from the specified existing image.

Parameters

original The xtd::drawing::image from which to create the new bitmap.

◆ bitmap() [2/8]

xtd::drawing::bitmap::bitmap	(	const image &	original,
		const xtd::drawing::size &	new_size
	)

inline

Initializes a new instance of the bitmap class from the specified existing image, scaled to the specified size.

Parameters

original	The xtd::drawing::image from which to create the new bitmap.
new_size	The xtd::drawing::size structure that represent the size of the new bitmap.

◆ bitmap() [3/8]

xtd::drawing::bitmap::bitmap	(	const image &	original,
		const rectangle &	new_rect
	)

inline

Initializes a new instance of the bitmap class from the specified existing image, scaled to the specified rectangle.

Parameters

original	The xtd::drawing::image from which to create the new bitmap.
new_rect	The xtd::drawing::rect structure that represent the location and size of the new bitmap.

◆ bitmap() [4/8]

xtd::drawing::bitmap::bitmap ( const xtd::ustring & filename )

inlineexplicit

Initializes a new instance of the bitmap class from the specified file.

Parameters

filename The bitmap file name and path.

Remarks: The file name and path can be relative to the application or an absolute path. Use this constructor to open images with the following file formats: BMP, GIF, EXIF, JPG, PNG and TIFF. For more information about supported formats, see Types of Bitmaps. The file remains locked until the Bitmap is disposed.

◆ bitmap() [5/8]

xtd::drawing::bitmap::bitmap ( std::istream & stream )

inlineexplicit

Initializes a new instance of the bitmap class from the specified data stream.

Parameters

stream The data stream used to load the image.

◆ bitmap() [6/8]

xtd::drawing::bitmap::bitmap ( const char *const * bits )

inlineexplicit

Initializes a new instance of the bitmap class from the specified data xpm.

Parameters

bits	The data xpm used to load the image.

◆ bitmap() [7/8]

xtd::drawing::bitmap::bitmap	(	int32_t	width,
		int32_t	height
	)

inline

Initializes a new instance of the Bitmap class with the specified size.

Parameters

width	The width, in pixels, of the new bitmap.
height	The height, in pixels, of the new bitmap.

◆ bitmap() [8/8]

xtd::drawing::bitmap::bitmap ( const xtd::drawing::size & size )

inlineexplicit

Initializes a new instance of the Bitmap class with the specified size.

Parameters

size	the size, in pixels, of the new bitmap.

Member Function Documentation

◆ clone() [1/2]

bitmap xtd::drawing::bitmap::clone ( const rectangle & rect )

inline

Creates a copy of the section of this Bitmap defined with a specified rectangle.

Parameters

rect	Defines the portion of this bitmap to copy.

◆ clone() [2/2]

bitmap xtd::drawing::bitmap::clone ( const rectangle_f & rect )

inline

Creates a copy of the section of this Bitmap defined with a specified rectangle.

Parameters

rect	Defines the portion of this bitmap to copy.

◆ get_pixel()

drawing::color xtd::drawing::bitmap::get_pixel	(	int32_t	x,
		int32_t	y
	)		const

Gets the color of the specified pixel in this bitmap.

Parameters

x	The x-coordinate of the pixel to retrieve.
y	The y-coordinate of the pixel to retrieve.

Returns: A xtd::drawing::color structure that represents the color of the specified pixel.

◆ set_pixel()

void xtd::drawing::bitmap::set_pixel	(	int32_t	x,
		int32_t	y,
		const drawing::color &	color
	)

Sets the color of the specified pixel in this bitmap.

Parameters

x	The x-coordinate of the pixel to retrieve.
y	The y-coordinate of the pixel to retrieve.
color	A xtd::drawing::color structure that represents the color of the specified pixel.

Member Data Documentation

◆ empty

bitmap xtd::drawing::bitmap::empty

static

Represent an empty bitmap.

The documentation for this class was generated from the following file:

xtd.drawing/include/xtd/drawing/bitmap.h

Definition

Fields

Constructors

Methods

Additional Inherited Members

Constructor & Destructor Documentation

◆ bitmap() [1/8]

◆ bitmap() [2/8]

◆ bitmap() [3/8]

◆ bitmap() [4/8]

◆ bitmap() [5/8]

◆ bitmap() [6/8]

◆ bitmap() [7/8]

◆ bitmap() [8/8]

Member Function Documentation

◆ clone() [1/2]

◆ clone() [2/2]

◆ get_pixel()

◆ set_pixel()

Member Data Documentation

◆ empty