public void SetPixel(int x, int y, PixelData colour)
{
PixelData *pixel = PixelAt(x, y);
*pixel = colour;
}
Bitmap DrawShape(ShapeWithStyle s, Edge[] edges, Rect r)
{
int top = r.YMin / TWIP;
int left = r.XMin / TWIP;
int w = (r.XMax - r.XMin) / TWIP;
int h = (r.YMax - r.YMin) / TWIP;
colors.Clear();
colors.Add(new PixelData(0xFF, 0xFF, 0xFF, 0x00));
foreach (IFillStyle fs in s.FillStyles.FillStyles)
{
if (fs.FillType == FillType.Solid)
{
RGBA c = ((SolidFill)fs).Color;
colors.Add(new PixelData(c.R, c.G, c.B, c.A));
}
else
{
colors.Add(new PixelData(0x80, 0x80, 0x80, 0xFF));
}
}
//UnsafeBitmapP b = new UnsafeBitmapP(w, h);
UnsafeBitmap b = new UnsafeBitmap(w + left, h + top);
b.LockBitmap();
List <Edge> activeEdges = new List <Edge>();
int edgeIndex = 0;
byte[,] bytes = new byte[w, h];
bool orderChanged = true;
int syTwip = 0;
for (int sy = 0; sy < h + top; sy++)
{
syTwip += TWIP;
//AdjustActiveTable
//remove stale
for (int i = activeEdges.Count - 1; i >= 0; i--)
{
if (activeEdges[i].endY < sy * TWIP)
{
activeEdges.RemoveAt(i);
}
}
// add new elements
while (edgeIndex < edges.Length && edges[edgeIndex].startY <= sy * TWIP)
{
activeEdges.Add(edges[edgeIndex]);
edgeIndex++;
orderChanged = true;
}
// sort
if (orderChanged)
{
activeEdges.Sort(Edge.CurrentXComparer);
orderChanged = false;
}
if (activeEdges.Count > 0)
{
int xIndex = 0;
byte curFill = 0;
Edge edge = activeEdges[xIndex];
PixelData col = colors[0];
PixelData nextCol = colors[0];
int sxTwip = 0;
float pc = 0;
for (int sx = 0; sx < w + left; sx++)
{
sxTwip += TWIP;
if (sxTwip >= edge.currentX)
{
pc = (edge.currentX % TWIP) / TWIP;
if ((int)edge.currentX != edge.startX)
{
nextCol = colors[edge.fill0];
col.Interpolate(pc, nextCol);
}
while (sxTwip >= edge.currentX)
{
xIndex++;
if (xIndex < activeEdges.Count)
{
if (xIndex > 0 && activeEdges[xIndex - 1].currentX > activeEdges[xIndex].currentX)
{
}
else
{
edge = activeEdges[xIndex];
curFill = edge.fill1;
}
}
else
{
b.SetPixel(sx, sy, col);
goto ENDXLOOP;
}
}
}
if (sy == 80)
{
//col.blue = 255;
}
if (col.alpha > 0)
{
b.SetPixel(sx, sy, col);
}
col = colors[curFill];
}
}
ENDXLOOP:
for (int i = 0; i < activeEdges.Count; i++)
{
activeEdges[i].IncX(syTwip);
}
}
b.UnlockBitmap();
Program.form.Bitmap = b.Bitmap;
// b.Bitmap.Save("test.png");
return(null);
}
public PixelData GetPixel(int x, int y)
{
PixelData returnValue = *PixelAt(x, y);
return(returnValue);
}