Class Bitmap
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.
public sealed class Bitmap : ICloneable, IDisposable
Constructors
Name | Description |
---|
Bitmap(Bitmap) | Initializes a new instance of the Bitmap class from the specified existing image. |
Bitmap(Stream) | Initializes a new instance of the Bitmap class from the specified data stream. |
Bitmap(string) | Initializes a new instance of the Bitmap class from the specified file. |
Bitmap(Bitmap, Size) | Initializes a new instance of the Bitmap class from the specified existing image, scaled to the specified size. |
Bitmap(int, int) | Initializes a new instance of the Bitmap class with the specified size. |
Bitmap(Stream, bool) | Initializes a new instance of the Bitmap class from the specified data stream. |
Bitmap(string, bool) | Initializes a new instance of the Bitmap class from the specified file. |
Bitmap(Bitmap, int, int) | Initializes a new instance of the Bitmap class from the specified existing image, scaled to the specified size. |
Bitmap(int, int, PixelFormat) | Initializes a new instance of the Bitmap class with the specified size and format. |
Properties
Name | Description |
---|
Flags { get; } | Gets attribute flags for the pixel data of this Image. |
Height { get; } | Gets the height, in pixels, of this Image. |
HorizontalResolution { get; } | Gets the horizontal resolution, in pixels per inch, of this Image. |
Palette { get; set; } | Gets or sets the color palette used for this Image. |
PhysicalDimension { get; } | Gets the width and height of this image. |
PixelFormat { get; } | Gets the pixel format for this Image. |
RawFormat { get; } | Gets the file format of this Image. |
Size { get; } | Gets the width and height, in pixels, of this image. |
Tag { get; set; } | Gets or sets an object that provides additional data about the image. |
VerticalResolution { get; } | Gets the vertical resolution, in pixels per inch, of this Image. |
Width { get; } | Gets the width, in pixels, of this Image. |
Methods
Name | Description |
---|
Clone() | Creates an exact copy of this Image. |
Clone(RectangleF, PixelFormat) | Creates a copy of the section of this Bitmap defined with a specified PixelFormat enumeration. |
Dispose() | Releases all resources used by this Image. |
GetPixel(int, int) | Gets the color of the specified pixel in this Bitmap . |
LockBits(RectangleF, ImageLockMode, PixelFormat) | Locks a Bitmap into system memory. |
MakeTransparent() | Makes the default transparent color transparent for this Bitmap . |
MakeTransparent(Color) | Makes the specified color transparent for this Bitmap . |
RotateFlip(RotateFlipType) | This method rotates, flips, or rotates and flips the Image. |
Save(string) | Saves this Image to the specified file or stream. |
Save(Stream, ImageFormat) | Saves this image to the specified stream in the specified format. |
Save(string, ImageFormat) | Saves this Image to the specified file in the specified format. |
SetPixel(int, int, Color) | Sets the color of the specified pixel in this Bitmap . |
SetResolution(float, float) | Sets the resolution for this Bitmap . |
UnlockBits(BitmapData) | Unlocks this Bitmap from system memory. |
static GetPixelFormatSize(PixelFormat) | Returns the color depth, in number of bits per pixel, of the specified pixel format. |
static IsAlphaPixelFormat(PixelFormat) | Returns a value that indicates whether the pixel format for this Image contains alpha information. |
See Also