Bitmap Class |
Encapsulates a 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.
Inheritance HierarchyNamespace: System.Drawing
Assembly: Aspose.Drawing (in Aspose.Drawing.dll) Version: 20.5.0.0 (20.05.0)
SyntaxC#
public class Bitmap : Image
The Bitmap type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | Bitmap(Stream) |
Initializes a new instance of the Bitmap class from the specified data stream.
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| Bitmap(String) |
Initializes a new instance of the Bitmap class from the specified file.
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| Bitmap(Image) |
Initializes a new instance of the Bitmap class from the specified existing image.
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| Bitmap(Int32, Int32) |
Initializes a new instance of the Bitmap class with the specified size.
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| Bitmap(Stream, Boolean) |
Initializes a new instance of the Bitmap class from the specified data stream.
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| Bitmap(String, Boolean) |
Initializes a new instance of the Bitmap class from the specified file.
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| Bitmap(Image, Size) |
Initializes a new instance of the Bitmap class from the specified existing image, scaled to the specified size.
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| Bitmap(Int32, Int32, PixelFormat) |
Initializes a new instance of the Bitmap class with the specified size and format.
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| Bitmap(Image, Int32, Int32) |
Initializes a new instance of the Bitmap class from the specified existing image,
scaled to the specified size.
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Properties| Name | Description | |
|---|---|---|
 | Flags |
Gets the integer representing a bitwise combination of ImageFlags for this Image.
(Inherited from Image.) |
| FrameDimensionsList |
Gets an array of GUIDs that represent the dimensions of frames within this Image.
(Inherited from Image.) |
| Height |
Gets the height, in pixels, of this Bitmap.
(Overrides ImageHeight.) |
| HorizontalResolution |
Gets the horizontal resolution, in pixels per inch, of this Image.
(Inherited from Image.) |
| Palette |
Gets or sets the color palette used for this Image.
(Inherited from Image.) |
| PhysicalDimension |
Gets the width and height of this image.
(Inherited from Image.) |
| PixelFormat |
Gets the pixel format for this Image.
(Inherited from Image.) |
| PropertyIdList |
Gets IDs of the property items stored in this Image.
(Inherited from Image.) |
| PropertyItems |
Gets all the property items (pieces of metadata) stored in this Image.
(Inherited from Image.) |
| RawFormat |
Gets the file format of this Image.
(Inherited from Image.) |
| Size |
Gets the width and height, in pixels, of this image.
(Inherited from Image.) |
| VerticalResolution |
Gets the vertical resolution, in pixels per inch, of this Image.
(Inherited from Image.) |
| Width |
Gets the width, in pixels, of this Bitmap.
(Overrides ImageWidth.) |
Methods| Name | Description | |
|---|---|---|
| Clone |
Creates an exact copy of this Image.
(Inherited from Image.) |
| Clone(Rectangle, PixelFormat) |
Creates a copy of the section of this Bitmap defined by Rectangle structure
and with a specified PixelFormat enumeration.
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| Clone(RectangleF, PixelFormat) |
Creates a copy of the section of this Bitmap defined with a specified PixelFormat enumeration.
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| Dispose |
Releases all resources used by this Image.
(Inherited from Image.) |
| Equals | (Inherited from Object.) |
 | Finalize | (Inherited from Object.) |
| GetBounds |
Gets the bounds of the image in the specified unit.
(Inherited from Image.) |
| GetFrameCount |
Returns the number of frames of the specified dimension.
(Inherited from Image.) |
| GetHashCode | (Inherited from Object.) |
| GetPixel |
Gets the color of the specified pixel in this Bitmap.
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| GetThumbnailImage |
Returns a thumbnail for this Image.
(Inherited from Image.) |
| GetType | (Inherited from Object.) |
| LockBits |
Locks a Bitmap into system memory.
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| MakeTransparent |
Makes the specified color transparent for this Bitmap.
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| MakeTransparent(Color) |
Makes the specified color transparent for this Bitmap.
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| MemberwiseClone | (Inherited from Object.) |
| ReadArgb32Pixels |
Reads bitmap pixels in ARGB32 format into given array.
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| RotateFlip |
This method rotates, flips, or rotates and flips the Image.
(Inherited from Image.) |
| Save(String) |
Saves this Image to the specified file or stream.
(Inherited from Image.) |
| Save(Stream, ImageFormat) |
Saves this image to the specified stream in the specified format.
(Inherited from Image.) |
| Save(String, ImageFormat) |
Saves this Image to the specified file in the specified format.
(Inherited from Image.) |
| Save(Stream, ImageCodecInfo, EncoderParameters) |
Saves this image to the specified stream, with the specified encoder and image encoder parameters.
(Inherited from Image.) |
| Save(String, ImageCodecInfo, EncoderParameters) |
Saves this Image to the specified file, with the specified encoder and image-encoder parameters.
(Inherited from Image.) |
| SaveAdd(EncoderParameters) |
Adds a frame to the file or stream specified in a previous call to the Save(String) method.
Use this method to save selected frames from a multiple-frame image to another multiple-frame image.
(Inherited from Image.) |
| SaveAdd(Image, EncoderParameters) |
Adds a frame to the file or stream specified in a previous call to the Save(String) method.
(Inherited from Image.) |
| SaveInternal(Stream, ImageFormat) |
Saves this Bitmap to the specified stream in the specified format.
(Overrides ImageSaveInternal(Stream, ImageFormat).) |
| SaveInternal(String, ImageFormat) |
Saves this Bitmap to the specified file in the specified format.
(Overrides ImageSaveInternal(String, ImageFormat).) |
| SelectActiveFrame |
Selects the frame specified by the dimension and index.
(Inherited from Image.) |
| SetPixel |
Sets the color of the specified pixel in this Bitmap.
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| SetResolution |
Sets the resolution for this Bitmap.
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| SetResolutionInternal |
Sets the resolution for this Image.
(Inherited from Image.) |
| ToString | (Inherited from Object.) |
| UnlockBits |
Unlocks this Bitmap from system memory.
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| WriteArgb32Pixels |
Writes pixels to the bitmap.
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See Also