public BitmapBasedRegion(ReconstructedRegionData reconRgnData)
{
_reconRgnData = reconRgnData;
_bounds = reconRgnData.GetBounds();
}
public static CpuBlit.MemBitmap CreateMaskBitmap(this ReconstructedRegionData rgnData,
Drawing.Color solidPartColor,
Drawing.Color holeColor,
bool useFitBounds = true)
{
//1. find size of membitmap
Drawing.Rectangle fitBounds = rgnData.GetBounds();
//2. fit bounds or not
int bmpW, bmpH, offsetX, offsetY;
if (useFitBounds)
{
bmpW = fitBounds.Width;
bmpH = fitBounds.Height;
offsetX = -fitBounds.X;
offsetY = -fitBounds.Y;
}
else
{
bmpW = fitBounds.Left + fitBounds.Right;
bmpH = fitBounds.Top + fitBounds.Height;
offsetX = 0;
offsetY = 0;
}
//3. create mask bmp
MemBitmap maskBmp = new MemBitmap(bmpW, bmpH);
//4. fill mask data
maskBmp.Clear(solidPartColor);
int holdColorInt32 =
(holeColor.A << CO.A_SHIFT) |
(holeColor.B << CO.B_SHIFT) |
(holeColor.G << CO.G_SHIFT) |
(holeColor.R << CO.R_SHIFT);
var memPtr = MemBitmap.GetBufferPtr(maskBmp);
unsafe
{
int *buffer = (int *)memPtr.Ptr;
//fill
HSpan[] hspans = rgnData.HSpans;
if (useFitBounds)
{
int totalBufferLen = bmpW * bmpH;
for (int i = 0; i < hspans.Length; ++i)
{
HSpan span = hspans[i];
int len = span.endX - span.startX;
#if DEBUG
int offset = ((span.y + offsetY) * bmpW + (span.startX + offsetX));
if (offset >= totalBufferLen || offset + len > totalBufferLen)
{
throw new System.Exception("out-of-range");
break;
}
else if (offset < 0 || offset + len < 0)
{
}
#endif
int *pixAddr = buffer + ((span.y + offsetY) * bmpW + (span.startX + offsetX)); //with offsetX,offsetY
for (int n = len - 1; n >= 0; --n)
{
*pixAddr = holdColorInt32;
pixAddr++;
}
}
}
else
{
for (int i = 0; i < hspans.Length; ++i)
{
HSpan span = hspans[i];
int len = span.endX - span.startX;
int *pixAddr = buffer + ((span.y) * bmpW + (span.startX)); //no offsetX,offsetY
for (int n = len - 1; n >= 0; --n)
{
*pixAddr = holdColorInt32;
pixAddr++;
}
}
}
}
//return null;
return(maskBmp);
}
public static CpuBlit.MemBitmap CreateMaskBitmap(this ReconstructedRegionData rgnData,
bool useFitBounds = true)
{
return(CreateMaskBitmap(rgnData, Drawing.Color.Black, Drawing.Color.White, useFitBounds));
}
public static BitmapBasedRegion CreateBitmapBasedRegion(this ReconstructedRegionData rgnData)
{
return(new BitmapBasedRegion(rgnData));
}
/// <summary>
/// reconstruct regionOutline from internal region data
/// </summary>
/// <param name="rgnOutline"></param>
public static void ReconstructOutline(this ReconstructedRegionData rgnData, RawOutline rgnOutline)
{
var outlineTracer = new OutlineTracer();
outlineTracer.TraceOutline(rgnData, rgnOutline);
}
public void TraceOutline(ReconstructedRegionData rgnData, RawOutline output)
{
TraceOutline(rgnData.HSpans, output);
}
