Class RasterCachedImage
Namespace: Aspose.Imaging
Assembly: Aspose.Imaging.dll (25.4.0)
Represents a raster image supporting raster graphics operations. This image caches pixel data when required.
public abstract class RasterCachedImage : RasterImage, IDisposable, IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadataInheritance
object ← DisposableObject ← DataStreamSupporter ← Image ← RasterImage ← RasterCachedImage
Derived
ApngFrame, AvifImage, BmpImage, DicomPage, DjvuPage, DjvuRaster, DngImage, GifFrameBlock, Jpeg2000Image, JpegImage, PngImage, RasterCachedMultipageImage, TgaImage, TiffFrame, WebPFrameBlock
Implements
IDisposable, IObjectWithBounds, IRasterImageArgb32PixelLoader, IRasterImageRawDataLoader, IHasXmpData, IHasMetadata
Inherited Members
RasterImage.xmpData, RasterImage.RemoveMetadata(), RasterImage.Save(Stream, ImageOptionsBase, Rectangle), RasterImage.GetModifyDate(bool), RasterImage.Dither(DitheringMethod, int), RasterImage.Dither(DitheringMethod, int, IColorPalette), RasterImage.GetDefaultPixels(Rectangle, IPartialArgb32PixelLoader), RasterImage.GetDefaultRawData(Rectangle, IPartialRawDataLoader, RawDataSettings), RasterImage.GetDefaultArgb32Pixels(Rectangle), RasterImage.GetDefaultRawData(Rectangle, RawDataSettings), RasterImage.GetArgb32Pixel(int, int), RasterImage.GetPixel(int, int), RasterImage.SetArgb32Pixel(int, int, int), RasterImage.SetPixel(int, int, Color), RasterImage.ReadScanLine(int), RasterImage.ReadArgb32ScanLine(int), RasterImage.WriteScanLine(int, Color[]), RasterImage.WriteArgb32ScanLine(int, int[]), RasterImage.LoadPartialArgb32Pixels(Rectangle, IPartialArgb32PixelLoader), RasterImage.LoadPartialPixels(Rectangle, IPartialPixelLoader), RasterImage.LoadArgb32Pixels(Rectangle), RasterImage.LoadArgb64Pixels(Rectangle), RasterImage.LoadPartialArgb64Pixels(Rectangle, IPartialArgb64PixelLoader), RasterImage.LoadPixels(Rectangle), RasterImage.LoadCmykPixels(Rectangle), RasterImage.LoadCmyk32Pixels(Rectangle), RasterImage.LoadRawData(Rectangle, RawDataSettings, IPartialRawDataLoader), RasterImage.LoadRawData(Rectangle, Rectangle, RawDataSettings, IPartialRawDataLoader), RasterImage.SaveRawData(byte[], int, Rectangle, RawDataSettings), RasterImage.SaveArgb32Pixels(Rectangle, int[]), RasterImage.SavePixels(Rectangle, Color[]), RasterImage.SaveCmykPixels(Rectangle, CmykColor[]), RasterImage.SaveCmyk32Pixels(Rectangle, int[]), RasterImage.SetResolution(double, double), RasterImage.SetPalette(IColorPalette, bool), RasterImage.Resize(int, int, ImageResizeSettings), RasterImage.Rotate(float, bool, Color), RasterImage.Rotate(float), RasterImage.BinarizeFixed(byte), RasterImage.BinarizeOtsu(), RasterImage.BinarizeBradley(double), RasterImage.BinarizeBradley(double, int), RasterImage.Blend(Point, RasterImage, Rectangle, byte), RasterImage.Blend(Point, RasterImage, byte), RasterImage.Grayscale(), RasterImage.NormalizeHistogram(), RasterImage.AdjustBrightness(int), RasterImage.AdjustContrast(float), RasterImage.AdjustGamma(float, float, float), RasterImage.AdjustGamma(float), RasterImage.GetSkewAngle(), RasterImage.NormalizeAngle(), RasterImage.NormalizeAngle(bool, Color), RasterImage.Filter(Rectangle, FilterOptionsBase), RasterImage.ReplaceColor(Color, byte, Color), RasterImage.ReplaceColor(int, byte, int), RasterImage.ReplaceNonTransparentColors(Color), RasterImage.ReplaceNonTransparentColors(int), RasterImage.ToBitmap(), RasterImage.ReleaseManagedResources(), RasterImage.UpdateMetadata(), RasterImage.UpdateDimensions(int, int), RasterImage.PremultiplyComponents, RasterImage.UseRawData, RasterImage.UpdateXmpData, RasterImage.XmpData, RasterImage.RawIndexedColorConverter, RasterImage.RawCustomColorConverter, RasterImage.RawFallbackIndex, RasterImage.RawDataSettings, RasterImage.UsePalette, RasterImage.RawDataFormat, RasterImage.RawLineSize, RasterImage.IsRawDataAvailable, RasterImage.HorizontalResolution, RasterImage.VerticalResolution, RasterImage.HasTransparentColor, RasterImage.HasAlpha, RasterImage.TransparentColor, RasterImage.ImageOpacity, RasterImage.DataLoader, Image.CanLoad(string), Image.CanLoad(string, LoadOptions), Image.CanLoad(Stream), Image.CanLoad(Stream, LoadOptions), Image.Create(ImageOptionsBase, int, int), Image.Create(Image[]), Image.Create(MultipageCreateOptions), Image.Create(string[], bool), Image.Create(string[]), Image.Create(Image[], bool), Image.GetFileFormat(string), Image.GetFileFormat(Stream), Image.GetFittingRectangle(Rectangle, int, int), Image.GetFittingRectangle(Rectangle, int[], int, int), Image.Load(string, LoadOptions), Image.Load(string), Image.Load(Stream, LoadOptions), Image.Load(Stream), Image.GetProportionalWidth(int, int, int), Image.GetProportionalHeight(int, int, int), Image.RemoveMetadata(), Image.CanSave(ImageOptionsBase), Image.Resize(int, int), Image.Resize(int, int, ResizeType), Image.Resize(int, int, ImageResizeSettings), Image.GetDefaultOptions(object[]), Image.GetOriginalOptions(), Image.ResizeWidthProportionally(int), Image.ResizeHeightProportionally(int), Image.ResizeWidthProportionally(int, ResizeType), Image.ResizeHeightProportionally(int, ResizeType), Image.ResizeWidthProportionally(int, ImageResizeSettings), Image.ResizeHeightProportionally(int, ImageResizeSettings), Image.RotateFlip(RotateFlipType), Image.Rotate(float), Image.Crop(Rectangle), Image.Crop(int, int, int, int), Image.Save(), Image.Save(string), Image.Save(string, ImageOptionsBase), Image.Save(string, ImageOptionsBase, Rectangle), Image.Save(Stream, ImageOptionsBase), Image.Save(Stream, ImageOptionsBase, Rectangle), Image.GetSerializedStream(ImageOptionsBase, Rectangle, out int), Image.SetPalette(IColorPalette, bool), Image.UpdateContainer(Image), Image.GetCanNotSaveMessage(ImageOptionsBase), Image.GetFitRectangle(Rectangle), Image.GetImage2Export(ImageOptionsBase, Rectangle, IImageExporter), Image.GetFitRectangle(Rectangle, int[]), Image.OnPaletteChanged(IColorPalette, IColorPalette), Image.OnPaletteChanging(IColorPalette, IColorPalette), Image.ReleaseManagedResources(), Image.BitsPerPixel, Image.Bounds, Image.Container, Image.Height, Image.Palette, Image.UsePalette, Image.Size, Image.Width, Image.InterruptMonitor, Image.BufferSizeHint, Image.AutoAdjustPalette, Image.HasBackgroundColor, Image.FileFormat, Image.BackgroundColor, DataStreamSupporter.timeout, DataStreamSupporter.CacheData(), DataStreamSupporter.Save(), DataStreamSupporter.Save(Stream), DataStreamSupporter.Save(string), DataStreamSupporter.Save(string, bool), DataStreamSupporter.SaveData(Stream), DataStreamSupporter.ReleaseManagedResources(), DataStreamSupporter.OnDataStreamContainerChanging(StreamContainer), DataStreamSupporter.DataStreamContainer, DataStreamSupporter.IsCached, DisposableObject.Dispose(), DisposableObject.ReleaseManagedResources(), DisposableObject.ReleaseUnmanagedResources(), DisposableObject.VerifyNotDisposed(), DisposableObject.Disposed, object.GetType(), object.MemberwiseClone(), object.ToString(), object.Equals(object?), object.Equals(object?, object?), object.ReferenceEquals(object?, object?), object.GetHashCode()
Examples
The following example transforms a colored raster cached image to its grayscale representation. Grayscale images are composed exclusively of shades of gray and carry only intensity information.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
rasterImage.Grayscale();
rasterImage.Save(dir + "sample.Grayscale.png");
}Constructors
RasterCachedImage()
Initializes a new instance of the Aspose.Imaging.RasterCachedImage class.
protected RasterCachedImage()RasterCachedImage(IColorPalette)
Initializes a new instance of the Aspose.Imaging.RasterCachedImage class.
protected RasterCachedImage(IColorPalette colorPalette)Parameters
colorPalette IColorPalette
The color palette.
Properties
IsCached
Gets a value indicating whether image data is cached currently.
public override bool IsCached { get; }Property Value
Methods
AdjustBrightness(int)
Adjust of a brightness for image.
public override void AdjustBrightness(int brightness)Parameters
brightness int
Brightness value.
Examples
The following example performs brightness correction of a raster cached image.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Set the brightness value. The accepted values of brightness are in the range [-255, 255].
rasterImage.AdjustBrightness(50);
rasterImage.Save(dir + "sample.AdjustBrightness.png");
}AdjustContrast(float)
Image contrasting
public override void AdjustContrast(float contrast)Parameters
contrast float
Contrast value (in range [-100; 100])
Examples
The following example performs contrast correction of a raster cached image.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Set the contrast value. The accepted values of contrast are in the range [-100f, 100f].
rasterImage.AdjustContrast(50);
rasterImage.Save(dir + "sample.AdjustContrast.png");
}AdjustGamma(float, float, float)
Gamma-correction of an image.
public override void AdjustGamma(float gammaRed, float gammaGreen, float gammaBlue)Parameters
gammaRed float
Gamma for red channel coefficient
gammaGreen float
Gamma for green channel coefficient
gammaBlue float
Gamma for blue channel coefficient
Examples
The following example performs gamma-correction of a raster cached image applying different coefficients for color components.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Set individual gamma coefficients for red, green and blue channels.
rasterImage.AdjustGamma(1.5f, 2.5f, 3.5f);
rasterImage.Save(dir + "sample.AdjustGamma.png");
}AdjustGamma(float)
Gamma-correction of an image.
public override void AdjustGamma(float gamma)Parameters
gamma float
Gamma for red, green and blue channels coefficient
Examples
The following example performs gamma-correction of a raster cached image.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Set gamma coefficient for red, green and blue channels.
rasterImage.AdjustGamma(2.5f);
rasterImage.Save(dir + "sample.AdjustGamma.png");
}BinarizeBradley(double, int)
Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding
public override void BinarizeBradley(double brightnessDifference, int windowSize)Parameters
brightnessDifference double
The brightness difference between pixel and the average of an s x s window of pixels centered around this pixel.
windowSize int
The size of s x s window of pixels centered around this pixel
Examples
The following example binarizes a raster cached image with Bradley’s adaptive thresholding algorithm with the specified window size. Binarized images contain only 2 colors - black and white.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Binarize the image with a brightness difference of 5.
// The brightness is a difference between a pixel and the average of an 10 x 10 window of pixels centered around this pixel.
rasterImage.BinarizeBradley(5, 10);
rasterImage.Save(dir + "sample.BinarizeBradley5_10x10.png");
}BinarizeBradley(double)
Binarization of an image using Bradley’s adaptive thresholding algorithm using the integral image thresholding
public override void BinarizeBradley(double brightnessDifference)Parameters
brightnessDifference double
The brightness difference between pixel and the average of an s x s window of pixels centered around this pixel.
Examples
The following example binarizes a raster cached image with Bradley’s adaptive thresholding algorithm. Binarized images contain only 2 colors - black and white.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Binarize the image with a brightness difference of 5.
// The brightness is a difference between a pixel and the average of an s x s window of pixels centered around this pixel.
// The size of window will be calibrated automatically.
rasterImage.BinarizeBradley(5);
rasterImage.Save(dir + "sample.BinarizeBradley5.png");
}BinarizeFixed(byte)
Binarization of an image with predefined threshold
public override void BinarizeFixed(byte threshold)Parameters
threshold 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.
Examples
The following example binarizes a raster cached image with the predefined threshold. Binarized images contain only 2 colors - black and white.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Binarize the image with a threshold value of 127.
// If a corresponding gray value of a pixel is greater than 127, a value of 255 will be assigned to it, 0 otherwise.
rasterImage.BinarizeFixed(127);
rasterImage.Save(dir + "sample.BinarizeFixed.png");
}BinarizeOtsu()
Binarization of an image with Otsu thresholding
public override void BinarizeOtsu()Examples
The following example binarizes a raster cached image with Otsu thresholding. Binarized images contain only 2 colors - black and white.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Binarize the image with Otsu thresholding.
rasterImage.BinarizeOtsu();
rasterImage.Save(dir + "sample.BinarizeOtsu.png");
}Blend(Point, RasterImage, Rectangle, byte)
Blends this image instance with the overlay image.
public override void Blend(Point origin, RasterImage overlay, Rectangle overlayArea, byte overlayAlpha = 255)Parameters
origin Point
The background image blending origin.
overlay RasterImage
The overlay image.
overlayArea Rectangle
The overlay area.
overlayAlpha byte
The overlay alpha.
CacheData()
Caches the data and ensures no additional data loading will be performed from the underlying Aspose.Imaging.DataStreamSupporter.DataStreamContainer.
public override void CacheData()Examples
The following example shows how raster image caching affects performance. In general case, reading cached data is performed faster than reading non-cached data.
string dir = "c:\\temp\\";
// Load an image from a PNG file.
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Cache all pixel data so that no additional data loading will be performed from the underlying data stream
image.CacheData();
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
// Reading all pixels is pretty fast.
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
int color = image.GetArgb32Pixel(x, y);
}
}
stopwatch.Stop();
System.Console.WriteLine("Reading all cached pixels took {0} ms.", stopwatch.ElapsedMilliseconds);
}
// Load an image from a PNG file
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
stopwatch.Start();
// Reading all pixels is not as fast as when caching
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
int color = image.GetArgb32Pixel(x, y);
}
}
stopwatch.Stop();
System.Console.WriteLine("Reading all pixels without preliminary caching took {0} ms.", stopwatch.ElapsedMilliseconds);
}
// The output may look like this:
// Reading all cached pixels took 1500 ms.
// Reading all pixels without preliminary caching took 150000 ms.Crop(Rectangle)
Cropping the image.
public override void Crop(Rectangle rectangle)Parameters
rectangle Rectangle
The rectangle.
Examples
The following example crops a raster cached image. The cropping area is be specified via Aspose.Imaging.Rectangle.
string dir = @"c:\temp\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
// Crop the image. The cropping area is the rectangular central area of the image.
Aspose.Imaging.Rectangle area = new Aspose.Imaging.Rectangle(rasterImage.Width / 4, rasterImage.Height / 4, rasterImage.Width / 2, rasterImage.Height / 2);
rasterImage.Crop(area);
// Save the cropped image to PNG
rasterImage.Save(dir + "sample.Crop.png");
}Dither(DitheringMethod, int, IColorPalette)
Performs dithering on the current image.
public override void Dither(DitheringMethod ditheringMethod, int bitsCount, IColorPalette customPalette)Parameters
ditheringMethod DitheringMethod
The dithering method.
bitsCount int
The final bits count for dithering.
customPalette IColorPalette
The custom palette for dithering.
Grayscale()
Transformation of an image to its grayscale representation
public override void Grayscale()Examples
The following example transforms a colored raster cached image to its grayscale representation. Grayscale images are composed exclusively of shades of gray and carry only intensity information.
string dir = "c:\\temp\\";
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
Aspose.Imaging.RasterCachedImage rasterImage = (Aspose.Imaging.RasterCachedImage)image;
rasterImage.Grayscale();
rasterImage.Save(dir + "sample.Grayscale.png");
}NormalizeHistogram()
Normalizes the image histogram — adjust pixel values to use all available range.
public override void NormalizeHistogram()OnCached()
Called when data is cached and all related resources may be de-allocated.
protected virtual void OnCached()OnPaletteChanged(IColorPalette, IColorPalette)
Called when palette is changed.
protected override void OnPaletteChanged(IColorPalette oldPalette, IColorPalette newPalette)Parameters
oldPalette IColorPalette
The old palette.
newPalette IColorPalette
The new palette.
Resize(int, int, ResizeType)
Resizes the image.
public override void Resize(int newWidth, int newHeight, ResizeType resizeType)Parameters
newWidth int
The new width.
newHeight int
The new height.
resizeType ResizeType
The resize type.
Examples
This example loads a raster cached image and resizes it using various resizing methods.
string dir = "c:\\temp\\";
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Scale up by 2 times using Nearest Neighbour resampling.
image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with default options.
image.Save(dir + "upsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Scale down by 2 times using Nearest Neighbour resampling.
image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
// Save to PNG with default options.
image.Save(dir + "downsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Scale up by 2 times using Bilinear resampling.
image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with default options.
image.Save(dir + "upsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Scale down by 2 times using Bilinear resampling.
image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample);
// Save to PNG with default options.
image.Save(dir + "downsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Resize(int, int, ImageResizeSettings)
Resizes the image.
public override void Resize(int newWidth, int newHeight, ImageResizeSettings settings)Parameters
newWidth int
The new width.
newHeight int
The new height.
settings ImageResizeSettings
The resize settings.
Examples
This example loads a raster cached image and resizes it using various resizing settings.
string dir = "c:\\temp\\";
Aspose.Imaging.ImageResizeSettings resizeSettings = new Aspose.Imaging.ImageResizeSettings();
// The adaptive algorithm based on weighted and blended rational function and lanczos3 interpolation.
resizeSettings.Mode = Aspose.Imaging.ResizeType.AdaptiveResample;
// The small rectangular filter
resizeSettings.FilterType = Aspose.Imaging.ImageFilterType.SmallRectangular;
// The number of colors in the palette.
resizeSettings.EntriesCount = 256;
// The color quantization is not used
resizeSettings.ColorQuantizationMethod = ColorQuantizationMethod.None;
// The euclidian method
resizeSettings.ColorCompareMethod = ColorCompareMethod.Euclidian;
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.png"))
{
// Scale down by 2 times using adaptive resampling.
image.Resize(image.Width / 2, image.Height / 2, resizeSettings);
image.Save(dir + "downsample.adaptive.png", new Aspose.Imaging.ImageOptions.PngOptions());
}Rotate(float, bool, Color)
Rotate image around the center.
public override void Rotate(float angle, bool resizeProportionally, Color backgroundColor)Parameters
angle float
The rotate angle in degrees. Positive values will rotate clockwise.
resizeProportionally 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.
backgroundColor Color
Color of the background.
RotateFlip(RotateFlipType)
Rotates, flips, or rotates and flips the image.
public override void RotateFlip(RotateFlipType rotateFlipType)Parameters
rotateFlipType RotateFlipType
The rotate flip type.
Examples
This example loads a raster cached image, rotates it by 90 degrees clockwise and optionally flips the image horizontally and(or) vertically.
string dir = "c:\\temp\\";
Aspose.Imaging.RotateFlipType[] rotateFlipTypes = new Aspose.Imaging.RotateFlipType[]
{
Aspose.Imaging.RotateFlipType.Rotate90FlipNone,
Aspose.Imaging.RotateFlipType.Rotate90FlipX,
Aspose.Imaging.RotateFlipType.Rotate90FlipXY,
Aspose.Imaging.RotateFlipType.Rotate90FlipY,
};
foreach (Aspose.Imaging.RotateFlipType rotateFlipType in rotateFlipTypes)
{
// Rotate, flip and save to the output file.
using (Aspose.Imaging.RasterCachedImage image = (Aspose.Imaging.RasterCachedImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
image.RotateFlip(rotateFlipType);
image.Save(dir + "sample." + rotateFlipType + ".bmp");
}
}