public static int[] CopyImgBuffer(ActualImage img, int width)
{
//calculate stride for the width
int destStride = ActualImage.CalculateStride(width, PixelFormat.ARGB32);
int h = img.Height;
int newBmpW = destStride / 4;
int[] buff2 = new int[newBmpW * img.Height];
unsafe
{
TempMemPtr srcBufferPtr = ActualImage.GetBufferPtr(img);
byte * srcBuffer = (byte *)srcBufferPtr.Ptr;
int srcIndex = 0;
int srcStride = img.Stride;
fixed(int *destHead = &buff2[0])
{
byte *destHead2 = (byte *)destHead;
for (int line = 0; line < h; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
NaitveMemMx.memcpy((byte *)destHead2, srcBuffer + srcIndex, destStride);
srcIndex += srcStride;
destHead2 += destStride;
}
}
srcBufferPtr.Release();
}
return(buff2);
}
//--------------------------------------------------------------------
public byte pixel(int x, int y)
{
unsafe
{
int bufferIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
TempMemPtr tmpMem = m_rbuf.GetBufferPtr();
byte value = *((byte *)tmpMem.Ptr + bufferIndex);
tmpMem.Release();
return(value);
}
}
public void combine_hspanFullCover(int x, int y, byte[] covers, int coversIndex, int num_pix)
{
int xmax = (int)m_rbuf.Width - 1;
int ymax = (int)m_rbuf.Height - 1;
int count = num_pix;
if (y < 0 || y > ymax)
{
AggMemMx.MemClear(covers, coversIndex, num_pix);
return;
}
if (x < 0)
{
count += x;
if (count <= 0)
{
AggMemMx.MemClear(covers, coversIndex, num_pix);
return;
}
AggMemMx.MemClear(covers, coversIndex, -x);
coversIndex -= x;
x = 0;
}
if (x + count > xmax)
{
int rest = x + count - xmax - 1;
count -= rest;
if (count <= 0)
{
AggMemMx.MemClear(covers, coversIndex, num_pix);
return;
}
AggMemMx.MemClear(covers, coversIndex + count, rest);
}
int maskIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
unsafe
{
TempMemPtr maskPtr = m_rbuf.GetBufferPtr();
byte * mask = (byte *)maskPtr.Ptr;
do
{
covers[coversIndex++] = mask[maskIndex++];
}while (--count != 0);
maskPtr.Release();
}
}
public static int[] CopyImgBuffer(ActualImage img)
{
int[] buff2 = new int[img.Width * img.Height];
unsafe
{
//byte[] pixelBuffer = ActualImage.GetBuffer(img);
TempMemPtr pixBuffer = ActualImage.GetBufferPtr(img);
//fixed (byte* header = &pixelBuffer[0])
byte *header = (byte *)pixBuffer.Ptr;
{
System.Runtime.InteropServices.Marshal.Copy((IntPtr)header, buff2, 0, buff2.Length);//length in bytes
}
pixBuffer.Release();
}
return(buff2);
}
public void combine_hspan(int x, int y, byte[] covers, int coversIndex, int count)
{
unsafe
{
int maskIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
TempMemPtr maskPtr = m_rbuf.GetBufferPtr();
byte *mask = (byte *)maskPtr.Ptr;
do
{
covers[coversIndex] = (byte)((255 + (covers[coversIndex]) * mask[maskIndex]) >> 8);
coversIndex++;
maskIndex++;
}while (--count != 0);
maskPtr.Release();
}
}
public void combine_hspanFullCover(int x, int y, byte[] covers, int coversIndex, int count)
{
int maskIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
unsafe
{
TempMemPtr memPtr = m_rbuf.GetBufferPtr();
byte * m = ((byte *)memPtr.Ptr + maskIndex);
do
{
covers[coversIndex++] = *m; //[maskIndex++];
m++; //move to next
}while (--count != 0);
memPtr.Release();
}
//byte[] mask = m_rbuf.GetBuffer();
//do
//{
// covers[coversIndex++] = mask[maskIndex++];
//}
//while (--count != 0);
}
//--------------------------------------------------------------------
public byte pixel(int x, int y)
{
unchecked
{
if ((uint)x < (uint)m_rbuf.Width &&
(uint)y < (uint)m_rbuf.Height)
{
unsafe
{
int bufferIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
TempMemPtr tmpMem = m_rbuf.GetBufferPtr();
byte value = *((byte *)tmpMem.Ptr + bufferIndex);
tmpMem.Release();
return(value);
}
//int bufferIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
//byte[] buffer = m_rbuf.GetBuffer();
//return buffer[bufferIndex];
}
}
return(0);
}
public static int[] CopyImgBuffer(ActualImage src, int srcX, int srcY, int srcW, int srcH)
{
//calculate stride for the width
int destStride = ActualImage.CalculateStride(srcW, PixelFormat.ARGB32);
int newBmpW = destStride / 4;
int[] buff2 = new int[newBmpW * srcH];
unsafe
{
TempMemPtr srcBufferPtr = ActualImage.GetBufferPtr(src);
byte * srcBuffer = (byte *)srcBufferPtr.Ptr;
int srcIndex = 0;
int srcStride = src.Stride;
fixed(int *destHead = &buff2[0])
{
byte *destHead2 = (byte *)destHead;
//move to specific src line
srcIndex += srcStride * srcY;
int lineEnd = srcY + srcH;
for (int line = srcY; line < lineEnd; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
NaitveMemMx.memcpy((byte *)destHead2, srcBuffer + srcIndex, destStride);
srcIndex += srcStride;
destHead2 += destStride;
}
}
srcBufferPtr.Release();
}
return(buff2);
}
void CopyFromNoClipping(IImageReaderWriter sourceImage, RectInt clippedSourceImageRect, int destXOffset, int destYOffset)
{
if (BytesBetweenPixelsInclusive != BitDepth / 8 ||
sourceImage.BytesBetweenPixelsInclusive != sourceImage.BitDepth / 8)
{
throw new Exception("WIP we only support packed pixel formats at this time.");
}
if (BitDepth == sourceImage.BitDepth)
{
int lengthInBytes = clippedSourceImageRect.Width * BytesBetweenPixelsInclusive;
int sourceOffset = sourceImage.GetByteBufferOffsetXY(clippedSourceImageRect.Left, clippedSourceImageRect.Bottom);
unsafe
{
TempMemPtr memPtr = sourceImage.GetBufferPtr();
TempMemPtr destPtr = this.GetBufferPtr();
byte *sourceBuffer = (byte *)memPtr.Ptr;
byte *destBuffer = (byte *)destPtr.Ptr;
int destOffset = GetByteBufferOffsetXY(clippedSourceImageRect.Left + destXOffset, clippedSourceImageRect.Bottom + destYOffset);
for (int i = 0; i < clippedSourceImageRect.Height; i++)
{
AggMemMx.memmove(destBuffer, destOffset, sourceBuffer, sourceOffset, lengthInBytes);
sourceOffset += sourceImage.Stride;
destOffset += Stride;
}
memPtr.Release();
destPtr.Release();
}
}
else
{
bool haveConversion = true;
switch (sourceImage.BitDepth)
{
case 24:
switch (BitDepth)
{
case 32:
{
//TODO: review here, this may not correct
int numPixelsToCopy = clippedSourceImageRect.Width;
for (int i = clippedSourceImageRect.Bottom; i < clippedSourceImageRect.Top; i++)
{
int sourceOffset = sourceImage.GetByteBufferOffsetXY(clippedSourceImageRect.Left, clippedSourceImageRect.Bottom + i);
//byte[] sourceBuffer = sourceImage.GetBuffer();
//byte[] destBuffer = GetBuffer();
TempMemPtr srcMemPtr = sourceImage.GetBufferPtr();
TempMemPtr destBufferPtr = this.GetBufferPtr();
int destOffset = GetByteBufferOffsetXY(
clippedSourceImageRect.Left + destXOffset,
clippedSourceImageRect.Bottom + i + destYOffset);
unsafe
{
byte *destBuffer = (byte *)destBufferPtr.Ptr;
byte *sourceBuffer = (byte *)srcMemPtr.Ptr;
for (int x = 0; x < numPixelsToCopy; x++)
{
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = sourceBuffer[sourceOffset++];
destBuffer[destOffset++] = 255;
}
}
srcMemPtr.Release();
destBufferPtr.Release();
}
}
break;
default:
haveConversion = false;
break;
}
break;
default:
haveConversion = false;
break;
}
if (!haveConversion)
{
throw new NotImplementedException("You need to write the " + sourceImage.BitDepth.ToString() + " to " + BitDepth.ToString() + " conversion");
}
}
}
public static TempMemPtr GetBufferPtr(ActualImage img)
{
TempMemPtr tmp = new TempMemPtr(img.pixelBuffer);
return(tmp);
}
public void combine_hspan(int x, int y, byte[] buffer, int bufferIndex, int num_pix)
{
int xmax = (int)m_rbuf.Width - 1;
int ymax = (int)m_rbuf.Height - 1;
int count = num_pix;
byte[] covers = buffer;
int coversIndex = bufferIndex;
if (y < 0 || y > ymax)
{
AggMemMx.MemClear(buffer, bufferIndex, num_pix);
return;
}
if (x < 0)
{
count += x;
if (count <= 0)
{
AggMemMx.MemClear(buffer, bufferIndex, num_pix);
return;
}
AggMemMx.MemClear(covers, coversIndex, -x);
coversIndex -= x;
x = 0;
}
if (x + count > xmax)
{
int rest = x + count - xmax - 1;
count -= rest;
if (count <= 0)
{
AggMemMx.MemClear(buffer, bufferIndex, num_pix);
return;
}
AggMemMx.MemClear(covers, coversIndex + count, rest);
}
int maskIndex = m_rbuf.GetByteBufferOffsetXY(x, y);
unsafe
{
TempMemPtr maskPtr = m_rbuf.GetBufferPtr();
byte * maskHead = (byte *)maskPtr.Ptr;
fixed(byte *coverHead = &covers[coversIndex])
{
byte *c_mask_index = maskHead;
byte *c_cover_index = coverHead;
do
{
*c_cover_index = (byte)((*c_cover_index * (*c_mask_index) + 255) >> 8);
c_cover_index++;
c_mask_index++;
}while (--count != 0);
}
maskPtr.Release();
}
}
public void Fill(ImageReaderWriterBase bufferToFillOn, int x, int y)
{
y -= imageHeight;
unchecked // this way we can overflow the uint on negative and get a big number
{
if ((uint)x >= bufferToFillOn.Width || (uint)y >= bufferToFillOn.Height)
{
return;
}
}
_destImgRW = bufferToFillOn;
TempMemPtr destBufferPtr = bufferToFillOn.GetBufferPtr();
unsafe
{
imageWidth = bufferToFillOn.Width;
imageHeight = bufferToFillOn.Height;
//reset new buffer, clear mem?
pixelsChecked = new bool[imageWidth * imageHeight];
int *destBuffer = (int *)destBufferPtr.Ptr;
int startColorBufferOffset = bufferToFillOn.GetBufferOffsetXY32(x, y);
int start_color = *(destBuffer + startColorBufferOffset);
fillRule.SetStartColor(Drawing.Color.FromArgb(
(start_color >> 16) & 0xff,
(start_color >> 8) & 0xff,
(start_color) & 0xff));
LinearFill(destBuffer, x, y);
while (ranges.Count > 0)
{
Range range = ranges.Dequeue();
int downY = range.y - 1;
int upY = range.y + 1;
int downPixelOffset = (imageWidth * (range.y - 1)) + range.startX;
int upPixelOffset = (imageWidth * (range.y + 1)) + range.startX;
for (int rangeX = range.startX; rangeX <= range.endX; rangeX++)
{
if (range.y > 0)
{
if (!pixelsChecked[downPixelOffset])
{
int bufferOffset = bufferToFillOn.GetBufferOffsetXY32(rangeX, downY);
if (fillRule.CheckPixel(*(destBuffer + bufferOffset)))
{
LinearFill(destBuffer, rangeX, downY);
}
}
}
if (range.y < (imageHeight - 1))
{
if (!pixelsChecked[upPixelOffset])
{
int bufferOffset = bufferToFillOn.GetBufferOffsetXY32(rangeX, upY);
if (fillRule.CheckPixel(*(destBuffer + bufferOffset)))
{
LinearFill(destBuffer, rangeX, upY);
}
}
}
upPixelOffset++;
downPixelOffset++;
}
}
}
destBufferPtr.Release();
}
