/// <summary>
/// Rotates image
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="angle">Angle of rotation</param>
/// <param name="fillColor">Fill color</param>
/// <returns></returns>
public static Bitmap Rotate(Bitmap bitmap, float angle, Color fillColor)
{
Bitmap resultImage = bitmap;
if (angle != 0)
{
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
image.RotateAngleBackColor(imageId, angle, fillColor);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
}
return(resultImage);
}
/// <summary>
/// Get skew angle
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="exludeBorders">Excluding borders from reaserch</param>
/// <param name="percentageOfExcludableBorders">Percent of excluded borders</param>
/// <returns></returns>
public static float GetSkewAngle(Bitmap bitmap, bool exludeBorders = false, int percentageOfExcludableBorders = 0)
{
GdPictureImaging image = new GdPictureImaging();
float angle = 0;
try
{
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
if (exludeBorders)
{
int width = image.GetWidth(imageId);
int height = image.GetHeight(imageId);
int left = width / 100 * percentageOfExcludableBorders;
int top = width / 100 * percentageOfExcludableBorders;
image.Crop(imageId, left, top, width - 2 * left, height - 2 * top);
}
angle = image.GetSkewAngle(imageId, MaxAngleOfDeskewResearch, AngleResearchStep, true);
image.ReleaseGdPictureImage(imageId);
}
}
catch (Exception e)
{
}
return(angle);
}
/// <summary>
/// Removes blobs from image
/// </summary>
/// <param name="bitmap">Bitmap.</param>
/// <param name="blobsDimensions">Blobs dimensions</param>
/// <returns></returns>
public static Bitmap RemoveBlobs(Bitmap bitmap, BlobsDimensions blobsDimensions)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
if (image.GetBitDepth(imageId) != 1)
{
image.ConvertTo1BppAT(imageId);
}
image.RemoveBlob(imageId, blobsDimensions.MinBlobWidth, blobsDimensions.MinBlobHeight, blobsDimensions.MaxBlobWidth, blobsDimensions.MaxBlobHeight, BlobRemoveMode.FavorQuality);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Removes staple marks
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <returns></returns>
public static Bitmap RemoveStapleMarks(Bitmap bitmap)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
if (image.GetBitDepth(imageId) != 1)
{
image.ConvertTo1BppAT(imageId);
}
image.RemoveStapleMark(imageId);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
catch
{
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Set gamma for specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="gamma">Gamma (values from -100 to 100)</param>
/// <returns></returns>
public static Bitmap SetGammaCorrection(Bitmap bitmap, int gamma)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
image.SetGammaCorrection(imageId, gamma);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Set contrast for specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="contrast">Contrast (values from -100 to 100)</param>
/// <returns></returns>
public static Bitmap SetContrast(Bitmap bitmap, int contrast)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
image.SetContrast(imageId, contrast);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Binarizes the specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="threshold">Threshold</param>
/// <returns></returns>
public static Bitmap Binarize(Bitmap bitmap, byte threshold)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
image.ConvertTo1Bpp(imageId, threshold);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Crops the specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="rectangle">Rectangle</param>
/// <returns></returns>
public static Bitmap Crop(Bitmap bitmap, Rectangle rectangle)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
image.Crop(imageId, rectangle.Left, rectangle.Top, rectangle.Width, rectangle.Height);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Removes lines
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="orientation">Lines orientation</param>
/// <returns></returns>
public static Bitmap RemoveLines(Bitmap bitmap, Enums.LineRemoveOrientation orientation)
{
Bitmap resultImage = bitmap;
LineRemoveOrientation lineRemoveOrientation;
switch (orientation)
{
case Enums.LineRemoveOrientation.Horizontal:
lineRemoveOrientation = LineRemoveOrientation.Horizontal;
break;
case Enums.LineRemoveOrientation.Vertical:
lineRemoveOrientation = LineRemoveOrientation.Vertical;
break;
default:
return(resultImage);
}
if (orientation != Enums.LineRemoveOrientation.None)
{
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
if (image.GetBitDepth(imageId) != 1)
{
image.ConvertTo1BppAT(imageId);
}
image.RemoveLines(imageId, lineRemoveOrientation);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
}
return(resultImage);
}
/// <summary>
/// Removes the holes from holemaker
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="punchHolesPosition">Holes position</param>
/// <returns></returns>
public static Bitmap RemovePunchHoles(Bitmap bitmap, PunchHolesPositions punchHolesPosition)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
if (image.GetBitDepth(imageId) != 1)
{
image.ConvertTo1BppAT(imageId);
}
if (punchHolesPosition.LeftSide)
{
image.RemoveHolePunch(imageId, HolePunchMargins.MarginLeft);
}
if (punchHolesPosition.TopSide)
{
image.RemoveHolePunch(imageId, HolePunchMargins.MarginTop);
}
if (punchHolesPosition.RightSide)
{
image.RemoveHolePunch(imageId, HolePunchMargins.MarginRight);
}
if (punchHolesPosition.BottomSide)
{
image.RemoveHolePunch(imageId, HolePunchMargins.MarginBottom);
}
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
catch (Exception e)
{
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Binarizes the specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <returns></returns>
public static Bitmap Binarize(Bitmap bitmap)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
image.FxBlackNWhite(imageId, BitonalReduction.Stucki);
image.ConvertTo1BppFast(imageId);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Set sharpness for specified bitmap
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <param name="sharpness">Sharpness</param>
/// <returns></returns>
public static Bitmap SetSharpness(Bitmap bitmap, int sharpness)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
if (imageId > 0)
{
for (int i = 0; i < sharpness; i++)
{
image.FxSharpen(imageId);
}
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
public static string CleHole(Bitmap bmp)
{
string file = "";
LicenseManager oLicenceManager = new LicenseManager();
oLicenceManager.RegisterKEY(T_ConFigure.Imgid);
using (GdPictureImaging oGdPictureImaging = new GdPictureImaging()) {
int imageId = oGdPictureImaging.CreateGdPictureImageFromBitmap(bmp);
if (oGdPictureImaging.GetStat() != GdPictureStatus.OK)
{
return(file);
}
else
{
GdPictureStatus status = oGdPictureImaging.RemoveHolePunch(imageId, HolePunchMargins.MarginAll);
if (status != GdPictureStatus.OK)
{
return(file);
}
else
{
string path = @"c:\temp\cle";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
file = Path.Combine(path, DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".jpg");
if (File.Exists(file))
{
File.Delete(file);
}
status = oGdPictureImaging.SaveAsTIFF(imageId, file, TiffCompression.TiffCompressionJPEG);
if (status != GdPictureStatus.OK)
{
return("");
}
}
oGdPictureImaging.ReleaseGdPictureImage(imageId);
}
}
return(file);
}
/// <summary>
/// Removes noise
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <returns></returns>
public static Bitmap RemoveNoise(Bitmap bitmap)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
image.FxDespeckleMore(imageId);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
/// <summary>
/// Auto crop borders
/// </summary>
/// <param name="bitmap">Bitmap</param>
/// <returns></returns>
public static Bitmap AutoCropBorders(Bitmap bitmap)
{
Bitmap resultImage = bitmap;
GdPictureImaging image = new GdPictureImaging();
int imageId = image.CreateGdPictureImageFromBitmap(bitmap);
try
{
if (imageId > 0)
{
image.CropBorders(imageId, ImagingContext.ContextDocument);
resultImage = image.GetBitmapFromGdPictureImage(imageId).CloneSmart(image.GetPixelFormat(imageId));
}
}
finally
{
image.ReleaseGdPictureImage(imageId);
}
return(resultImage);
}
