public void GenerateAndRender(IRasterizer rasterizer, IScanlineCache scanlineCache, IImageFloat destImage, span_allocator spanAllocator, ISpanGeneratorFloat spanGenerator)
{
if (rasterizer.rewind_scanlines())
{
scanlineCache.reset(rasterizer.min_x(), rasterizer.max_x());
spanGenerator.prepare();
while (rasterizer.sweep_scanline(scanlineCache))
{
GenerateAndRenderSingleScanline(scanlineCache, destImage, spanAllocator, spanGenerator);
}
}
}
public void GenerateAndRender(IRasterizer rasterizer, IScanlineCache scanlineCache, IImageFloat destImage, span_allocator spanAllocator, ISpanGeneratorFloat spanGenerator)
{
if (rasterizer.rewind_scanlines())
{
scanlineCache.reset(rasterizer.min_x(), rasterizer.max_x());
spanGenerator.prepare();
while (rasterizer.sweep_scanline(scanlineCache))
{
GenerateAndRenderSingleScanline(scanlineCache, destImage, spanAllocator, spanGenerator);
}
}
}
private void GenerateAndRenderSingleScanline(IScanlineCache scanLineCache, IImageFloat destImageFloat, span_allocator alloc, ISpanGeneratorFloat span_gen)
{
int y = scanLineCache.y();
int num_spans = scanLineCache.num_spans();
ScanlineSpan scanlineSpan = scanLineCache.begin();
byte[] ManagedCoversArray = scanLineCache.GetCovers();
for (; ;)
{
int x = scanlineSpan.x;
int len = scanlineSpan.len;
if (len < 0)
{
len = -len;
}
if (tempSpanColorsFloats.Capacity() < len)
{
tempSpanColorsFloats.Capacity(len);
}
span_gen.generate(tempSpanColorsFloats.Array, 0, x, y, len);
bool useFirstCoverForAll = scanlineSpan.len < 0;
destImageFloat.blend_color_hspan(x, y, len, tempSpanColorsFloats.Array, 0, ManagedCoversArray, scanlineSpan.cover_index, useFirstCoverForAll);
if (--num_spans == 0)
{
break;
}
scanlineSpan = scanLineCache.GetNextScanlineSpan();
}
}
private void GenerateAndRenderSingleScanline(IScanlineCache scanLineCache, IImageFloat destImageFloat, span_allocator alloc, ISpanGeneratorFloat span_gen)
{
int y = scanLineCache.y();
int num_spans = scanLineCache.num_spans();
ScanlineSpan scanlineSpan = scanLineCache.begin();
byte[] ManagedCoversArray = scanLineCache.GetCovers();
for (; ; )
{
int x = scanlineSpan.x;
int len = scanlineSpan.len;
if (len < 0) len = -len;
if (tempSpanColorsFloats.Capacity() < len)
{
tempSpanColorsFloats.Capacity(len);
}
span_gen.generate(tempSpanColorsFloats.Array, 0, x, y, len);
bool useFirstCoverForAll = scanlineSpan.len < 0;
destImageFloat.blend_color_hspan(x, y, len, tempSpanColorsFloats.Array, 0, ManagedCoversArray, scanlineSpan.cover_index, useFirstCoverForAll);
if (--num_spans == 0) break;
scanlineSpan = scanLineCache.GetNextScanlineSpan();
}
}
