public void SaveBuffer(string filePath, ImageType imageType, ScannedSide side, BufferSize bufferSize)
{
var res = _scanner.SaveBuffer(filePath, imageType, side, bufferSize);
if (res) // OK
Logger.LogVerbose(Message.ScannerManagerBufferSaved, imageType, bufferSize, side, filePath);
else // Error
Logger.LogError(Message.ScannerManagerBufferSaveError, imageType, bufferSize, side, filePath, res);
}
public bool GetHalftoneBuffer(ScannedSide side, short xCoord, short yCoord, short width, short height, MemoryBlock image)
{
short absX = xCoord;
short absY = yCoord;
if (side == 0)
{
absX += _scannerConfig.WorkZone.SideTopX;
absY += _scannerConfig.WorkZone.SideTopY;
}
else
{
absX += _scannerConfig.WorkZone.SideBottomX;
absY += _scannerConfig.WorkZone.SideBottomY;
}
short bufferId;
_scanner.GetHalftoneBuffer(side, absX, absY, width, height, image, out bufferId);
Logger.LogVerbose(Message.ScannerManagerGetHalftone, side, xCoord, yCoord, width, height, bufferId);
return true;
}
public void SetWorkZone(ScannedSide side, short x, short y)
{
if (side == ScannedSide.Undefined)
throw new ArgumentException("Сторона не определена");
var sideIndex = (int)side;
_x[sideIndex] = x;
_y[sideIndex] = y;
}
public unsafe void GetHalftoneBuffer(
ScannedSide side, short x, short y, short w, short h, MemoryBlock iMemory, out short id)
{
if (side == ScannedSide.Undefined)
throw new ArgumentException("Сторона не определена");
var sideIndex = (int)side;
var ptr = _sh.HalftoneBuffer[sideIndex];
if (side == ScannedSide.Top)
{
ptr = HalfToneBuffer0.ToPointer();
}
else if (side == ScannedSide.Bottom)
{
ptr = HalfToneBuffer1.ToPointer();
}
var sourceBuffer = (byte*)ptr.ToPointer();
x -= _x[sideIndex];
y -= _y[sideIndex];
if (x < 0)
{
throw new Exception("недопустимое значение левой границы");
}
if (y < 0)
{
throw new Exception("недопустимое значение верхней границы");
}
if (h < 0)
{
throw new Exception("отрицательная высота");
}
if (w < 0)
{
throw new Exception("отрицательная ширина");
}
if (x + w > _currentConfiguration.DotsOneSide || y + h > _currentConfiguration.MaxLines)
{
throw new Exception("запрашиваемое изображение выходит за границы отсканированной области");
}
if (x % DOTS_PER_BYTE_HALFTONE != 0)
{
throw new Exception("начальная координата не попадает на границу байта!");
}
if (w % DOTS_PER_BYTE_HALFTONE != 0)
{
throw new Exception("ширина запрошенной области содерит не целое число байт!");
}
ptr = iMemory.ToPointer();
if (ptr == IntPtr.Zero)
{
throw new Exception("нет буфера для записи изображения!");
}
var destination = (byte*)ptr.ToPointer();
var lengthLine = _currentConfiguration.DotsOneSide / DOTS_PER_BYTE_HALFTONE;
var lengthCopy = w / DOTS_PER_BYTE_HALFTONE;
var shift = (side == 0 ? 0 : _currentConfiguration.DotsOneSide);
if (x == y && y == 0 && lengthCopy == lengthLine)
{
if (!WhiteCoeffApplyed[sideIndex])
{
var wcPtr = _whiteCoeffU.ToPointer();
if ((_currentConfiguration.Options & HardwareOptions.RightToLeftHalftone) > 0)
{
if (!_halftoneFlipped[sideIndex])
{
FlipBufferVertically(sourceBuffer, lengthCopy, h);
_halftoneFlipped[sideIndex] = true;
}
applyWhiteCoeffs(sourceBuffer, destination, (byte*)wcPtr.ToPointer() + shift, lengthCopy, h);
}
else
{
applyWhiteCoeffs(sourceBuffer, destination, (byte*)wcPtr.ToPointer() + shift, lengthCopy, h);
}
}
else
{
}
}
else
{
int wcX = x;
var wcInc = 1;
if (!_halftoneFlipped[sideIndex] &&
(_currentConfiguration.Options & HardwareOptions.RightToLeftHalftone) > 0)
{
wcX = x + w - 1;
wcInc = -1;
x = (short)(_currentConfiguration.DotsOneSide - x - w);
}
var startLine = sourceBuffer + // начало буфера
y * lengthLine + // число байт в первых y-строках
x / BaseSharedMemory.DotsPerByteHalftone; // число байт в первых x-точках
var p = destination;
for (var i = 0; i < h; i++)
{
var source = startLine;
for (int j = 0, wcJ = wcX; j < lengthCopy; j++, wcJ += wcInc)
{
*p++ = whiteCoeffTable.whiteCoeff[(*source++ << 8) + _whiteCoeff[shift + wcJ]];
}
startLine += lengthLine;
}
if (!_halftoneFlipped[sideIndex] &&
(_currentConfiguration.Options & HardwareOptions.RightToLeftHalftone) > 0)
{
FlipBufferVertically(destination, w, h);
}
}
id = 0;
}
public unsafe bool SaveBuffer(string fileName, ImageType imageType, ScannedSide side, BufferSize bufferSize)
{
try
{
if (/*WhiteCoeff > 0 && */imageType == ImageType.Halftone)
{
IntPtr wcPtr = _whiteCoeffU.ToPointer();
int shift = (side == 0 ? 0 : _currentConfiguration.DotsOneSide);
if ((_currentConfiguration.Options & HardwareOptions.RightToLeftHalftone) > 0)
{
if ((_currentConfiguration.Options & HardwareOptions.OneSide) == 0)
{
if ((side == ScannedSide.Top || side == ScannedSide.Undefined) &&
!_halftoneFlipped[(int)ScannedSide.Top])
{
IntPtr p0 = HalfToneBuffer0.ToPointer();
FlipBufferVertically((byte*)p0.ToPointer(), _currentConfiguration.DotsOneSide, _linesCount);
_halftoneFlipped[(int)ScannedSide.Top] = true;
}
}
if ((side == ScannedSide.Bottom || side == ScannedSide.Undefined) &&
!_halftoneFlipped[(int)ScannedSide.Bottom])
{
IntPtr p1 = HalfToneBuffer1.ToPointer();
FlipBufferVertically((byte*)p1.ToPointer(), _currentConfiguration.DotsOneSide, _linesCount);
_halftoneFlipped[(int)ScannedSide.Bottom] = true;
}
}
if ((_currentConfiguration.Options & HardwareOptions.OneSide) == 0)
{
if ((side == ScannedSide.Top || side == ScannedSide.Undefined) &&
!WhiteCoeffApplyed[(int)ScannedSide.Top])
{
IntPtr p0 = HalfToneBuffer0.ToPointer();
applyWhiteCoeffs(
(byte*)p0.ToPointer(), (byte*)p0.ToPointer(),
(byte*)wcPtr.ToPointer() + shift,
_currentConfiguration.DotsOneSide, _linesCount);
WhiteCoeffApplyed[(int)ScannedSide.Top] = true;
}
}
if ((side == ScannedSide.Bottom || side == ScannedSide.Undefined) &&
!WhiteCoeffApplyed[(int)ScannedSide.Bottom])
{
IntPtr p1 = HalfToneBuffer1.ToPointer();
applyWhiteCoeffs(
(byte*)p1.ToPointer(), (byte*)p1.ToPointer(),
(byte*)wcPtr.ToPointer() + shift,
_currentConfiguration.DotsOneSide, _linesCount);
WhiteCoeffApplyed[(int)ScannedSide.Bottom] = true;
}
}
if (side == ScannedSide.Top || side == ScannedSide.Undefined)
{
TiffImageHelper.SaveToFile(fileName + "_0.tif", imageType,
imageType == ImageType.Binary ? WorkBufferTop : HalfToneBuffer0,
_currentConfiguration.DotsOneSide,
bufferSize == BufferSize.Scanned ? _linesCount : _currentConfiguration.MaxLines);
}
if (side == ScannedSide.Bottom || side == ScannedSide.Undefined)
{
TiffImageHelper.SaveToFile(fileName + "_1.tif", imageType,
imageType == ImageType.Binary ? WorkBufferBottom : HalfToneBuffer1,
_currentConfiguration.DotsOneSide,
bufferSize == BufferSize.Scanned ? _linesCount : _currentConfiguration.MaxLines);
}
return true;
}
catch
{
return false;
}
}
