Class ImageHelper
Provides common helper methods related with image manipulation. TODO: Should be moved to base assembly, making it accessible for all Telerik Assemblies.
Inheritance
Inherited Members
Namespace: Telerik.WinControls
Assembly: Telerik.WinControls.dll
Syntax
public static class ImageHelperMethods
ApplyAlpha(Bitmap, Single)
Declaration
public static void ApplyAlpha(Bitmap bitmap, float fAlpha)Parameters
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System.
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System.
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ApplyMask(Bitmap, Brush)
Declaration
public static void ApplyMask(Bitmap bitmap, Brush brush)Parameters
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System.
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System.
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AreColorsSame(Color, Color)
Declaration
public static bool AreColorsSame(Color color1, Color color2)Parameters
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System.
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System.
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Returns
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System.
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BitmapInvertColors(Bitmap)
Declaration
public static Bitmap BitmapInvertColors(Bitmap original)Parameters
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System.
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Returns
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System.
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ChangeImagePixels(Image, Color)
Declaration
public static Image ChangeImagePixels(Image image, Color color)Parameters
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System.
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System.
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Returns
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System.
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ConvertToDib(Image)
Converts the image to Device Independent Bitmap format of type BITFIELDS. This is (wrongly) accepted by many applications as containing transparency
Declaration
public static byte[] ConvertToDib(Image image)Parameters
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System. Image to convert to DIB |
Returns
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System. The image converted to DIB, in bytes. |
CopyImageToClipboard(Image)
Copies given image to the clipboard. Different applications understand different image formats, so this method applies the three most common image formats to the data object - Bitmap, PNG and DIB.
Declaration
public static void CopyImageToClipboard(Image image)Parameters
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System. The image to copy. |
Crop(Bitmap, Rectangle)
Crops recatnalge from image
Declaration
public static Bitmap Crop(Bitmap image, Rectangle cropRectangle)Parameters
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System. An instance of System. |
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System. An instance of System. |
Returns
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System. Cropped image with the size of cropped rectangle |
GetBitmapRegionPath(Bitmap, Color)
Declaration
public static GraphicsPath GetBitmapRegionPath(Bitmap bmp, Color transparent)Parameters
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System.
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System.
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Returns
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System.
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GetBytesFromImage(Image)
Declaration
public static byte[] GetBytesFromImage(Image image)Parameters
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System.
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Returns
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System.
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GetClipboardImage()
Gets image from the clipboard and preserves pixel transparency. If there is no image data in the clipboard, returns null.
Declaration
public static Image GetClipboardImage()Returns
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System. The image from clipboard. |
GetClipboardImage(DataObject)
Retrieves an image from the given clipboard data object, in the order PNG, DIB, Bitmap, Image object.
Declaration
public static Bitmap GetClipboardImage(DataObject clipboardData)Parameters
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System. The clipboard data. |
Returns
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System. The extracted image, or null if no supported image type was found. |
GetImageData(Bitmap, out Int32)
Gets the raw bytes from an image.
Declaration
public static byte[] GetImageData(Bitmap sourceImage, out int stride)Parameters
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System. The image to get the bytes from. |
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System. Stride of the retrieved image data. |
Returns
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System. The raw bytes of the image |
GetImageFromBytes(Byte[])
Declaration
public static Image GetImageFromBytes(byte[] bytes)Parameters
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System.
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Returns
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System.
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HslToRgb(Double, Double, Double, Double)
Declaration
public static Color HslToRgb(double h, double s, double l, double a)Parameters
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System.
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System.
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System.
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System.
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Returns
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System.
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IsDarkColor(Color)
Declaration
public static bool IsDarkColor(Color color)Parameters
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System.
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Returns
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System.
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PointInRegion(Region, Point)
Declaration
public static bool PointInRegion(Region region, Point client)Parameters
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System.
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System.
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Returns
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System.
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RegionFromBitmap(Bitmap, Color)
Declaration
public static Region RegionFromBitmap(Bitmap bmp, Color transparent)Parameters
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System.
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System.
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Returns
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System.
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