public static void CreateContext(RasterBuffer renderingBuffer)
{
// set the rendering buffer and all the GL default states (this is also where you can new anything you need)
s_RenderingBuffer = renderingBuffer;
s_Rasterizer.SetVectorClipBox(M.Zero <T>(), M.Zero <T>(), M.New <T>(s_RenderingBuffer.Width), M.New <T>(s_RenderingBuffer.Height));
s_PixelFormt = new FormatRGBA(s_RenderingBuffer, new BlenderBGRA());
s_ClippingPixelFormatProxy = new FormatClippingProxy(s_PixelFormt);
//s_ClippingPixelFormatProxy = s_PixelFormt;
m_CurAccumulatedMatrix = MatrixFactory <T> .NewIdentity(VectorDimension.Three); // new Matrix4X4();
m_ModelviewMatrix = MatrixFactory <T> .NewIdentity(VectorDimension.Three); // new Matrix4X4();
m_ProjectionMatrix = MatrixFactory <T> .NewIdentity(VectorDimension.Three); //new Matrix4X4();
m_pVertexCache = new VertexCachItem[m_MaxVertexCacheItems];
for (int i = 0; i < m_MaxVertexCacheItems; i++)
{
m_pVertexCache[i] = new VertexCachItem();
}
m_LastSetColor = new RGBA_Doubles(1, 1, 1, 1);
m_LastSetNormal = MatrixFactory <T> .CreateZeroVector(VectorDimension.Three); // new Vector3D();
m_LastSetTextureCoordinate = MatrixFactory <T> .CreateZeroVector(VectorDimension.Two); // new Vector2D();
}
///<summary>
///</summary>
///<param name="pixf"></param>
///<param name="mask"></param>
public AlphaMaskAdaptor(IPixelFormat pixf, IAlphaMask mask)
: base(pixf)
{
PixelFormat = pixf;
_alphaMask = mask;
_span = new ArrayPOD<byte>(255);
}
public AlphaMaskAdaptor(IPixelFormat pixf, IAlphaMask mask)
: base(pixf)
{
m_pixf = pixf;
m_mask = mask;
m_span = new ArrayPOD <byte>(255);
}
//========================================================render_all_paths
public static void RenderSolidAllPaths(IPixelFormat pixFormat,
IRasterizer ras,
IScanline sl,
IVertexSource vs,
RGBA_Bytes[] color_storage,
uint[] path_id,
uint num_paths)
{
for(uint i = 0; i < num_paths; i++)
{
ras.Reset();
#if use_timers
AddPathTimer.Start();
#endif
ras.AddPath(vs, path_id[i]);
#if use_timers
AddPathTimer.Stop();
#endif
#if use_timers
RenderSLTimer.Start();
#endif
RenderSolid(pixFormat, ras, sl, color_storage[i]);
#if use_timers
RenderSLTimer.Stop();
#endif
}
}
//---------------------------------------------------------------------
//typedef renderer_outline_image<BaseRenderer, ImagePattern> self_type;
//---------------------------------------------------------------------
public renderer_outline_image(IPixelFormat ren, line_image_pattern patt)
{
m_ren = ren;
m_pattern = patt;
m_start = (0);
m_scale_x = (1.0);
m_clip_box = new rect_i(0, 0, 0, 0);
m_clipping = (false);
}
/// <summary>
///
/// </summary>
/// <param name="PixelFormat"></param>
/// <param name="Rasterizer"></param>
/// <param name="Scanline"></param>
public Renderer(IPixelFormat PixelFormat, AntiAliasedScanlineRasterizer Rasterizer, IScanline Scanline)
{
m_PixelFormat = PixelFormat;
m_Rasterizer = Rasterizer;
m_Scanline = Scanline;
TextPath = new GsvText();
StrockedText = new StrokeConverter(TextPath);
m_AffineTransformStack.Push(Affine.NewIdentity());
}
public RasterBufferAccessorClip(IPixelFormat pixf, RGBA_Doubles bk)
{
m_pixf = pixf;
m_PixelWidthInBytes = m_pixf.PixelWidthInBytes;
//pixfmt_alpha_blend_bgra32.make_pix(m_bk_buf, bk);
unsafe
{
m_pBackBufferColor = (byte*)Marshal.AllocHGlobal(16);
}
}
public RasterBufferAccessorClip(IPixelFormat pixf, RGBA_Doubles bk)
{
m_pixf = pixf;
m_PixelWidthInBytes = m_pixf.PixelWidthInBytes;
//pixfmt_alpha_blend_bgra32.make_pix(m_bk_buf, bk);
unsafe
{
m_pBackBufferColor = (byte *)Marshal.AllocHGlobal(16);
}
}
public void Render(IRasterizer rasterizer, IScanline scanline, IPixelFormat rendererBase)
{
uint i;
for (i = 0; i < num_paths(); i++)
{
rasterizer.reset();
rasterizer.add_path(this, i);
Renderer.RenderSolid(rendererBase, rasterizer, scanline, color(i).Get_rgba8());
}
}
public PixMap(PixelFormat format, uint width, uint height)
: this()
{
Guard.GreaterThan(width, 0u);
Guard.GreaterThan(height, 0u);
_pixelFormat = _injector.Resolve<IPixelFormatFactory>().CreatePixelFormat(format, width, height, out imageBytes);
_buffer = _pixelFormat.GetRenderingBuffer();
_renderer = this._injector.Resolve<RendererBase>();
_scanlineCache = this._injector.Resolve<IScanlineCache>();
_rasterizer = this._injector.Resolve<IRasterizer>();
}
public PixMap(PixelFormat format, uint width, uint height)
: this()
{
Guard.GreaterThan(width, 0u);
Guard.GreaterThan(height, 0u);
_pixelFormat = _injector.Resolve <IPixelFormatFactory>().CreatePixelFormat(format, width, height, out imageBytes);
_buffer = _pixelFormat.GetRenderingBuffer();
_renderer = this._injector.Resolve <RendererBase>();
_scanlineCache = this._injector.Resolve <IScanlineCache>();
_rasterizer = this._injector.Resolve <IRasterizer>();
}
//=====================================================render_scanlines_aa
public static void GenerateAndRender(IRasterizer ras, IScanline sl, IPixelFormat ren,
SpanAllocator alloc, ISpanGenerator span_gen)
{
if(ras.RewindScanlines())
{
sl.Reset(ras.MinX(), ras.MaxX());
span_gen.Prepare();
while(ras.SweepScanline(sl))
{
GenerateAndRenderSingleScanline(sl, ren, alloc, span_gen);
}
}
}
//================================================render_scanline_aa_solid
private static void RenderSolidSingleScanLine(IPixelFormat pixFormat, IScanline scanLine, RGBA_Bytes color)
{
#if use_timers
render_scanline_aa_solidTimer.Start();
#endif
int y = scanLine.y();
uint num_spans = scanLine.NumberOfSpans;
ScanlineSpan scanlineSpan = scanLine.Begin;
byte[] ManagedCoversArray = scanLine.GetCovers();
unsafe
{
fixed (byte* pCovers = ManagedCoversArray)
{
for (; ; )
{
int x = scanlineSpan.x;
if (scanlineSpan.len > 0)
{
#if use_timers
render_scanline_aa_solid_blend_solid_hspan.Start();
#endif
pixFormat.BlendSolidHorizontalSpan(x, y, (uint)scanlineSpan.len, color, &pCovers[scanlineSpan.cover_index]);
#if use_timers
render_scanline_aa_solid_blend_solid_hspan.Stop();
#endif
}
else
{
#if use_timers
render_scanline_aa_solid_blend_hline.Start();
#endif
pixFormat.BlendHorizontalLine(x, y, (x - (int)scanlineSpan.len - 1), color, pCovers[scanlineSpan.cover_index]);
#if use_timers
render_scanline_aa_solid_blend_hline.Stop();
#endif
}
if (--num_spans == 0) break;
scanlineSpan = scanLine.GetNextScanlineSpan();
}
}
}
#if use_timers
render_scanline_aa_solidTimer.Stop();
#endif
}
///<summary>
///</summary>
///<param name="pixf"></param>
///<param name="x1"></param>
///<param name="y1"></param>
///<param name="x2"></param>
///<param name="y2"></param>
///<returns></returns>
public bool Attach(IPixelFormat pixf, int x1, int y1, int x2, int y2)
{
RectI r = new RectI(x1, y1, x2, y2);
if (r.Clip(new RectI(0, 0, (int)pixf.Width - 1, (int)pixf.Height - 1)))
{
int stride = pixf.Stride;
unsafe
{
_rasterBuffer.Attach(pixf.PixelPointer(r.x1, stride < 0 ? r.y2 : r.y1),
(uint)(r.x2 - r.x1) + 1,
(uint)(r.y2 - r.y1) + 1,
stride, 3);
}
return(true);
}
return(false);
}
//========================================================render_scanlines
public static void RenderSolid(IPixelFormat pixFormat, IRasterizer rasterizer, IScanline scanLine, RGBA_Bytes color)
{
if(rasterizer.RewindScanlines())
{
scanLine.Reset(rasterizer.MinX(), rasterizer.MaxX());
#if use_timers
PrepareTimer.Start();
#endif
//renderer.Prepare();
#if use_timers
PrepareTimer.Stop();
#endif
while(rasterizer.SweepScanline(scanLine))
{
Renderer.RenderSolidSingleScanLine(pixFormat, scanLine, color);
}
}
}
//======================================================render_scanline_aa
private static void GenerateAndRenderSingleScanline(IScanline sl, IPixelFormat ren,
SpanAllocator alloc, ISpanGenerator span_gen)
{
int y = sl.y();
uint num_spans = sl.NumberOfSpans;
ScanlineSpan scanlineSpan = sl.Begin;
byte[] ManagedCoversArray = sl.GetCovers();
unsafe
{
fixed (byte* pCovers = ManagedCoversArray)
{
for (; ; )
{
int x = scanlineSpan.x;
int len = scanlineSpan.len;
if(len < 0) len = -len;
if(tempSpanColors.Capacity() < len)
{
tempSpanColors.Allocate((uint)(len));
}
fixed (RGBA_Bytes* pColors = tempSpanColors.Array)
{
span_gen.Generate(pColors, x, y, (uint)len);
#if use_timers
blend_color_hspan.Start();
#endif
ren.BlendHorizontalColorSpan(x, y, (uint)len, pColors, (scanlineSpan.len < 0) ? null : &pCovers[scanlineSpan.cover_index], pCovers[scanlineSpan.cover_index]);
#if use_timers
blend_color_hspan.Stop();
#endif
}
if (--num_spans == 0) break;
scanlineSpan = sl.GetNextScanlineSpan();
}
}
}
}
public void attach(IPixelFormat ren)
{
m_ren = ren;
}
public override void Attach(IPixelFormat ren)
{
base.Attach(ren);
m_clip_box = new RectI(0, 0, (int)ren.Width - 1, (int)ren.Height - 1);
}
//---------------------------------------------------------------------
public line_interpolator_image(IPixelFormat ren, line_parameters lp,
int sx, int sy, int ex, int ey,
int pattern_start,
double scale_x)
{
m_lp = (lp);
m_li = new dda2_line_interpolator(lp.vertical ? line_dbl_hr(lp.x2 - lp.x1) :
line_dbl_hr(lp.y2 - lp.y1),
lp.vertical ? abs(lp.y2 - lp.y1) :
abs(lp.x2 - lp.x1) + 1);
m_di = new distance_interpolator4(lp.x1, lp.y1, lp.x2, lp.y2, sx, sy, ex, ey, lp.len, scale_x,
lp.x1 & ~line_subpixel_mask, lp.y1 & ~line_subpixel_mask);
m_ren = (ren);
m_x = (lp.x1 >> line_subpixel_shift);
m_y = (lp.y1 >> line_subpixel_shift);
m_old_x = (m_x);
m_old_y = (m_y);
m_count = ((lp.vertical ? abs((lp.y2 >> line_subpixel_shift) - m_y) :
abs((lp.x2 >> line_subpixel_shift) - m_x)));
m_width = (ren.subpixel_width());
//m_max_extent(m_width >> (line_subpixel_shift - 2));
m_max_extent = ((m_width + LineAABasics.line_subpixel_scale) >> line_subpixel_shift);
m_start = (pattern_start + (m_max_extent + 2) * ren.pattern_width());
m_step = (0);
dda2_line_interpolator li = new dda2_line_interpolator(0, lp.vertical ?
(lp.dy << LineAABasics.line_subpixel_shift) :
(lp.dx << LineAABasics.line_subpixel_shift),
lp.len);
uint i;
int stop = m_width + LineAABasics.line_subpixel_scale * 2;
for (i = 0; i < max_half_width; ++i)
{
m_dist_pos[i] = li.y();
if (m_dist_pos[i] >= stop)
{
break;
}
++li;
}
m_dist_pos[i] = 0x7FFF0000;
int dist1_start;
int dist2_start;
int npix = 1;
if (lp.vertical)
{
do
{
--m_li;
m_y -= lp.inc;
m_x = (m_lp.x1 + m_li.y()) >> line_subpixel_shift;
if (lp.inc > 0)
{
m_di.dec_y(m_x - m_old_x);
}
else
{
m_di.inc_y(m_x - m_old_x);
}
m_old_x = m_x;
dist1_start = dist2_start = m_di.dist_start();
int dx = 0;
if (dist1_start < 0)
{
++npix;
}
do
{
dist1_start += m_di.dy_start();
dist2_start -= m_di.dy_start();
if (dist1_start < 0)
{
++npix;
}
if (dist2_start < 0)
{
++npix;
}
++dx;
}while(m_dist_pos[dx] <= m_width);
if (npix == 0)
{
break;
}
npix = 0;
}while(--m_step >= -m_max_extent);
}
else
{
do
{
--m_li;
m_x -= lp.inc;
m_y = (m_lp.y1 + m_li.y()) >> line_subpixel_shift;
if (lp.inc > 0)
{
m_di.dec_x(m_y - m_old_y);
}
else
{
m_di.inc_x(m_y - m_old_y);
}
m_old_y = m_y;
dist1_start = dist2_start = m_di.dist_start();
int dy = 0;
if (dist1_start < 0)
{
++npix;
}
do
{
dist1_start -= m_di.dx_start();
dist2_start += m_di.dx_start();
if (dist1_start < 0)
{
++npix;
}
if (dist2_start < 0)
{
++npix;
}
++dy;
}while(m_dist_pos[dy] <= m_width);
if (npix == 0)
{
break;
}
npix = 0;
}while(--m_step >= -m_max_extent);
}
m_li.adjust_forward();
m_step -= m_max_extent;
}
public RendererOpenGL(IPixelFormat PixelFormat, rasterizer_scanline_aa Rasterizer)
: base(PixelFormat, Rasterizer)
{
TextPath = new gsv_text();
StrockedText = new conv_stroke(TextPath);
}
///<summary>
///</summary>
///<param name="pixf"></param>
public PixelFormatProxy(IPixelFormat pixf)
{
PixelFormat = pixf;
}
///<summary>
///</summary>
///<param name="pixf"></param>
public void AttachPixelFormat(IPixelFormat pixf)
{
PixelFormat = pixf;
}
///<summary>
///</summary>
///<param name="pixf"></param>
///<param name="x1"></param>
///<param name="y1"></param>
///<param name="x2"></param>
///<param name="y2"></param>
///<returns></returns>
public bool Attach(IPixelFormat pixf, int x1, int y1, int x2, int y2)
{
RectI r = new RectI(x1, y1, x2, y2);
if (r.Clip(new RectI(0, 0, (int)pixf.Width - 1, (int)pixf.Height - 1)))
{
int stride = pixf.Stride;
unsafe
{
_rasterBuffer.Attach(pixf.PixelPointer(r.x1, stride < 0 ? r.y2 : r.y1),
(uint)(r.x2 - r.x1) + 1,
(uint)(r.y2 - r.y1) + 1,
stride, 3);
}
return true;
}
return false;
}
//---------------------------------------------------------------------
public line_interpolator_image(IPixelFormat ren, line_parameters lp,
int sx, int sy, int ex, int ey,
int pattern_start,
double scale_x)
{
m_lp=(lp);
m_li = new dda2_line_interpolator(lp.vertical ? line_dbl_hr(lp.x2 - lp.x1) :
line_dbl_hr(lp.y2 - lp.y1),
lp.vertical ? abs(lp.y2 - lp.y1) :
abs(lp.x2 - lp.x1) + 1);
m_di = new distance_interpolator4(lp.x1, lp.y1, lp.x2, lp.y2, sx, sy, ex, ey, lp.len, scale_x,
lp.x1 & ~line_subpixel_mask, lp.y1 & ~line_subpixel_mask);
m_ren=(ren);
m_x=(lp.x1 >> line_subpixel_shift);
m_y=(lp.y1 >> line_subpixel_shift);
m_old_x=(m_x);
m_old_y=(m_y);
m_count=((lp.vertical ? abs((lp.y2 >> line_subpixel_shift) - m_y) :
abs((lp.x2 >> line_subpixel_shift) - m_x)));
m_width=(ren.subpixel_width());
//m_max_extent(m_width >> (line_subpixel_shift - 2));
m_max_extent=((m_width + LineAABasics.line_subpixel_scale) >> line_subpixel_shift);
m_start=(pattern_start + (m_max_extent + 2) * ren.pattern_width());
m_step=(0);
dda2_line_interpolator li = new dda2_line_interpolator(0, lp.vertical ?
(lp.dy << LineAABasics.line_subpixel_shift) :
(lp.dx << LineAABasics.line_subpixel_shift),
lp.len);
uint i;
int stop = m_width + LineAABasics.line_subpixel_scale * 2;
for(i = 0; i < max_half_width; ++i)
{
m_dist_pos[i] = li.y();
if(m_dist_pos[i] >= stop) break;
++li;
}
m_dist_pos[i] = 0x7FFF0000;
int dist1_start;
int dist2_start;
int npix = 1;
if(lp.vertical)
{
do
{
--m_li;
m_y -= lp.inc;
m_x = (m_lp.x1 + m_li.y()) >> line_subpixel_shift;
if(lp.inc > 0) m_di.dec_y(m_x - m_old_x);
else m_di.inc_y(m_x - m_old_x);
m_old_x = m_x;
dist1_start = dist2_start = m_di.dist_start();
int dx = 0;
if(dist1_start < 0) ++npix;
do
{
dist1_start += m_di.dy_start();
dist2_start -= m_di.dy_start();
if(dist1_start < 0) ++npix;
if(dist2_start < 0) ++npix;
++dx;
}
while(m_dist_pos[dx] <= m_width);
if(npix == 0) break;
npix = 0;
}
while(--m_step >= -m_max_extent);
}
else
{
do
{
--m_li;
m_x -= lp.inc;
m_y = (m_lp.y1 + m_li.y()) >> line_subpixel_shift;
if(lp.inc > 0) m_di.dec_x(m_y - m_old_y);
else m_di.inc_x(m_y - m_old_y);
m_old_y = m_y;
dist1_start = dist2_start = m_di.dist_start();
int dy = 0;
if(dist1_start < 0) ++npix;
do
{
dist1_start -= m_di.dx_start();
dist2_start += m_di.dx_start();
if(dist1_start < 0) ++npix;
if(dist2_start < 0) ++npix;
++dy;
}
while(m_dist_pos[dy] <= m_width);
if(npix == 0) break;
npix = 0;
}
while(--m_step >= -m_max_extent);
}
m_li.adjust_forward();
m_step -= m_max_extent;
}
//---------------------------------------------------------------------
//typedef renderer_outline_image<BaseRenderer, ImagePattern> self_type;
//---------------------------------------------------------------------
public renderer_outline_image(IPixelFormat ren, line_image_pattern patt)
{
m_ren=ren;
m_pattern=patt;
m_start=(0);
m_scale_x=(1.0);
m_clip_box=new rect_i(0,0,0,0);
m_clipping=(false);
}
public void Blur(IPixelFormat img, double radius)
{
BlurX(img, radius);
BlurY(img, radius);
}
public void BlurX(IPixelFormat img, double radius)
{
if(radius < 0.62) return;
if(img.Width < 3) return;
double s = (double)(radius * 0.5);
double q = (double)((s < 2.5) ?
3.97156 - 4.14554 * Math.Sqrt(1 - 0.26891 * s) :
0.98711 * s - 0.96330);
double q2 = (double)(q * q);
double q3 = (double)(q2 * q);
double b0 = (double)(1.0 / (1.578250 +
2.444130 * q +
1.428100 * q2 +
0.422205 * q3));
double b1 = (double)(2.44413 * q +
2.85619 * q2 +
1.26661 * q3);
double b2 = (double)(-1.42810 * q2 +
-1.26661 * q3);
double b3 = (double)(0.422205 * q3);
double b = (double)(1 - (b1 + b2 + b3) * b0);
b1 *= b0;
b2 *= b0;
b3 *= b0;
uint w = img.Width;
uint h = img.Height;
int wm = (int)w-1;
int x, y;
int StartCreatingAt = (int)m_sum1.Size();
m_sum1.Resize(w);
m_sum2.Resize(w);
m_buf.Allocate(w);
RecursizeBlurCalculator[] Sum1Array = m_sum1.Array;
RecursizeBlurCalculator[] Sum2Array = m_sum2.Array;
RGBA_Bytes[] BufferArray = m_buf.Array;
for (int i = StartCreatingAt; i < w; i++)
{
Sum1Array[i] = m_RecursizeBlurCalculatorFactory.CreateNew();
Sum2Array[i] = m_RecursizeBlurCalculatorFactory.CreateNew();
}
for (y = 0; y < h; y++)
{
RecursizeBlurCalculator c = m_RecursizeBlurCalculatorFactory;
c.FromPixel(img.Pixel(0, y));
Sum1Array[0].Calculate(b, b1, b2, b3, c, c, c, c);
c.FromPixel(img.Pixel(1, y));
Sum1Array[1].Calculate(b, b1, b2, b3, c, Sum1Array[0], Sum1Array[0], Sum1Array[0]);
c.FromPixel(img.Pixel(2, y));
Sum1Array[2].Calculate(b, b1, b2, b3, c, Sum1Array[1], Sum1Array[0], Sum1Array[0]);
for (x = 3; x < w; ++x)
{
c.FromPixel(img.Pixel(x, y));
Sum1Array[x].Calculate(b, b1, b2, b3, c, Sum1Array[x - 1], Sum1Array[x - 2], Sum1Array[x - 3]);
}
Sum2Array[wm].Calculate(b, b1, b2, b3, Sum1Array[wm], Sum1Array[wm], Sum1Array[wm], Sum1Array[wm]);
Sum2Array[wm - 1].Calculate(b, b1, b2, b3, Sum1Array[wm - 1], Sum2Array[wm], Sum2Array[wm], Sum2Array[wm]);
Sum2Array[wm - 2].Calculate(b, b1, b2, b3, Sum1Array[wm - 2], Sum2Array[wm - 1], Sum2Array[wm], Sum2Array[wm]);
Sum2Array[wm].ToPixel(ref BufferArray[wm]);
Sum2Array[wm - 1].ToPixel(ref BufferArray[wm - 1]);
Sum2Array[wm - 2].ToPixel(ref BufferArray[wm - 2]);
for (x = wm - 3; x >= 0; --x)
{
Sum2Array[x].Calculate(b, b1, b2, b3, Sum1Array[x], Sum2Array[x + 1], Sum2Array[x + 2], Sum2Array[x + 3]);
Sum2Array[x].ToPixel(ref BufferArray[x]);
}
unsafe
{
fixed (RGBA_Bytes* pBuffer = BufferArray)
{
img.CopyHorizontalColorSpan(0, y, w, pBuffer);
}
}
}
}
public void BlurY(IPixelFormat img, double radius)
{
FormatTransposer img2 = new FormatTransposer(img);
BlurX(img2, radius);
}
void attach(IPixelFormat pixf)
{
m_pixf = pixf;
}
public void Blur(IPixelFormat img, double radius)
{
BlurX(img, radius);
BlurY(img, radius);
}
public override void Attach(IPixelFormat ren)
{
base.Attach(ren);
m_clip_box = new RectI(0, 0, (int)ren.Width - 1, (int)ren.Height - 1);
}
public void attach(IPixelFormat ren)
{
m_ren = ren;
}
public void Attach(IPixelFormat pixf)
{
m_pixf = pixf;
}
public PixMap(IPixelFormat pixFormat)
{
_pixelFormat = pixFormat;
_buffer = pixFormat.GetRenderingBuffer();
}
public PixMap(IPixelFormat pixFormat)
{
_pixelFormat = pixFormat;
_buffer = pixFormat.GetRenderingBuffer();
}
///<summary>
///</summary>
///<param name="pixf"></param>
public virtual void Attach(IPixelFormat pixf)
{
PixelFormat = pixf;
}
public void BlurX(IPixelFormat img, double radius)
{
if (radius < 0.62)
{
return;
}
if (img.Width < 3)
{
return;
}
double s = (double)(radius * 0.5);
double q = (double)((s < 2.5) ?
3.97156 - 4.14554 * Math.Sqrt(1 - 0.26891 * s) :
0.98711 * s - 0.96330);
double q2 = (double)(q * q);
double q3 = (double)(q2 * q);
double b0 = (double)(1.0 / (1.578250 +
2.444130 * q +
1.428100 * q2 +
0.422205 * q3));
double b1 = (double)(2.44413 * q +
2.85619 * q2 +
1.26661 * q3);
double b2 = (double)(-1.42810 * q2 +
-1.26661 * q3);
double b3 = (double)(0.422205 * q3);
double b = (double)(1 - (b1 + b2 + b3) * b0);
b1 *= b0;
b2 *= b0;
b3 *= b0;
uint w = img.Width;
uint h = img.Height;
int wm = (int)w - 1;
int x, y;
int StartCreatingAt = (int)m_sum1.Size();
m_sum1.Resize(w);
m_sum2.Resize(w);
m_buf.Allocate(w);
RecursizeBlurCalculator[] Sum1Array = m_sum1.Array;
RecursizeBlurCalculator[] Sum2Array = m_sum2.Array;
RGBA_Bytes[] BufferArray = m_buf.Array;
for (int i = StartCreatingAt; i < w; i++)
{
Sum1Array[i] = m_RecursizeBlurCalculatorFactory.CreateNew();
Sum2Array[i] = m_RecursizeBlurCalculatorFactory.CreateNew();
}
for (y = 0; y < h; y++)
{
RecursizeBlurCalculator c = m_RecursizeBlurCalculatorFactory;
c.FromPixel(img.Pixel(0, y));
Sum1Array[0].Calculate(b, b1, b2, b3, c, c, c, c);
c.FromPixel(img.Pixel(1, y));
Sum1Array[1].Calculate(b, b1, b2, b3, c, Sum1Array[0], Sum1Array[0], Sum1Array[0]);
c.FromPixel(img.Pixel(2, y));
Sum1Array[2].Calculate(b, b1, b2, b3, c, Sum1Array[1], Sum1Array[0], Sum1Array[0]);
for (x = 3; x < w; ++x)
{
c.FromPixel(img.Pixel(x, y));
Sum1Array[x].Calculate(b, b1, b2, b3, c, Sum1Array[x - 1], Sum1Array[x - 2], Sum1Array[x - 3]);
}
Sum2Array[wm].Calculate(b, b1, b2, b3, Sum1Array[wm], Sum1Array[wm], Sum1Array[wm], Sum1Array[wm]);
Sum2Array[wm - 1].Calculate(b, b1, b2, b3, Sum1Array[wm - 1], Sum2Array[wm], Sum2Array[wm], Sum2Array[wm]);
Sum2Array[wm - 2].Calculate(b, b1, b2, b3, Sum1Array[wm - 2], Sum2Array[wm - 1], Sum2Array[wm], Sum2Array[wm]);
Sum2Array[wm].ToPixel(ref BufferArray[wm]);
Sum2Array[wm - 1].ToPixel(ref BufferArray[wm - 1]);
Sum2Array[wm - 2].ToPixel(ref BufferArray[wm - 2]);
for (x = wm - 3; x >= 0; --x)
{
Sum2Array[x].Calculate(b, b1, b2, b3, Sum1Array[x], Sum2Array[x + 1], Sum2Array[x + 2], Sum2Array[x + 3]);
Sum2Array[x].ToPixel(ref BufferArray[x]);
}
unsafe
{
fixed(RGBA_Bytes *pBuffer = BufferArray)
{
img.CopyHorizontalColorSpan(0, y, w, pBuffer);
}
}
}
}
///<summary>
///</summary>
///<param name="pixf"></param>
public PixelFormatProxy(IPixelFormat pixf)
{
PixelFormat = pixf;
}
public bool Attach(IPixelFormat pixf, int x1, int y1, int x2, int y2)
{
RectInt r = new RectInt(x1, y1, x2, y2);
if (r.Clip(new RectInt(0, 0, (int)pixf.Width - 1, (int)pixf.Height - 1)))
{
int stride = pixf.Stride;
unsafe
{
m_rbuf.attach(pixf.PixPtr(r.X1, stride < 0 ? r.Y2 : r.Y1),
(uint)(r.X2 - r.X1) + 1,
(uint)(r.Y2 - r.Y1) + 1,
stride, 3);
}
return true;
}
return false;
}
public PixelFormatProxy(IPixelFormat pixf)
{
m_pixf = pixf;
}
///<summary>
///</summary>
///<param name="pixf"></param>
public virtual void Attach(IPixelFormat pixf)
{
PixelFormat = pixf;
}
public PixelFormatOutputOption(IPixelFormat pixelFormat) => _pixelFormat = pixelFormat;
//--------------------------------------------------------------------
public FormatTransposer(IPixelFormat pixelFormat)
: base(pixelFormat)
{
}
/// <summary>
///
/// </summary>
/// <param name="PixelFormat"></param>
/// <param name="Rasterizer"></param>
/// <param name="Scanline"></param>
public Renderer(IPixelFormat PixelFormat, AntiAliasedScanlineRasterizer Rasterizer, IScanline Scanline)
{
m_PixelFormat = PixelFormat;
m_Rasterizer = Rasterizer;
m_Scanline = Scanline;
TextPath = new GsvText();
StrockedText = new StrokeConverter(TextPath);
m_AffineTransformStack.Push(Affine.NewIdentity());
}
//--------------------------------------------------------------------
public FormatClippingProxy(IPixelFormat ren)
: base(ren)
{
m_clip_box = new RectI(0, 0, (int)ren.Width - 1, (int)ren.Height - 1);
}
public static void RenderCompound(AntiAliasedCompundRasterizer ras,
IScanline sl_aa,
IScanline sl_bin,
IPixelFormat pixelFormat,
SpanAllocator alloc,
IStyleHandler sh)
{
#if true
unsafe
{
if (ras.RewindScanlines())
{
int min_x = ras.MinX();
int len = ras.MaxX() - min_x + 2;
sl_aa.Reset(min_x, ras.MaxX());
sl_bin.Reset(min_x, ras.MaxX());
//typedef typename BaseRenderer::color_type color_type;
ArrayPOD<RGBA_Bytes> color_span = alloc.Allocate((uint)len * 2);
byte[] ManagedCoversArray = sl_aa.GetCovers();
fixed (byte* pCovers = ManagedCoversArray)
{
fixed (RGBA_Bytes* pColorSpan = color_span.Array)
{
int mix_bufferOffset = len;
uint num_spans;
uint num_styles;
uint style;
bool solid;
while ((num_styles = ras.SweepStyles()) > 0)
{
if (num_styles == 1)
{
// Optimization for a single Style. Happens often
//-------------------------
if (ras.SweepScanline(sl_aa, 0))
{
style = ras.Style(0);
if (sh.IsSolid(style))
{
// Just solid fill
//-----------------------
RenderSolidSingleScanLine(pixelFormat, sl_aa, sh.Color(style));
}
else
{
// Arbitrary Span Generator
//-----------------------
ScanlineSpan span_aa = sl_aa.Begin;
num_spans = sl_aa.NumberOfSpans;
for (; ; )
{
len = span_aa.len;
sh.GenerateSpan(pColorSpan,
span_aa.x,
sl_aa.y(),
(uint)len,
style);
pixelFormat.BlendHorizontalColorSpan(span_aa.x,
sl_aa.y(),
(uint)span_aa.len,
pColorSpan,
&pCovers[span_aa.cover_index], 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
}
}
else // there are multiple Styles
{
if (ras.SweepScanline(sl_bin, -1))
{
// Clear the spans of the mix_buffer
//--------------------
ScanlineSpan span_bin = sl_bin.Begin;
num_spans = sl_bin.NumberOfSpans;
for (; ; )
{
Basics.MemClear((byte*)&pColorSpan[mix_bufferOffset + span_bin.x - min_x],
span_bin.len * sizeof(RGBA_Bytes));
if (--num_spans == 0) break;
span_bin = sl_bin.GetNextScanlineSpan();
}
for (uint i = 0; i < num_styles; i++)
{
style = ras.Style(i);
solid = sh.IsSolid(style);
if (ras.SweepScanline(sl_aa, (int)i))
{
//IColorType* Colors;
//IColorType* cspan;
//typename ScanlineAA::cover_type* covers;
ScanlineSpan span_aa = sl_aa.Begin;
num_spans = sl_aa.NumberOfSpans;
if (solid)
{
// Just solid fill
//-----------------------
for (; ; )
{
RGBA_Bytes c = sh.Color(style);
len = span_aa.len;
RGBA_Bytes* colors = &pColorSpan[mix_bufferOffset + span_aa.x - min_x];
byte* covers = &pCovers[span_aa.cover_index];
do
{
if (*covers == cover_full)
{
*colors = c;
}
else
{
colors->add(c, *covers);
}
++colors;
++covers;
}
while (--len != 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
else
{
// Arbitrary Span Generator
//-----------------------
for (; ; )
{
len = span_aa.len;
RGBA_Bytes* colors = &pColorSpan[mix_bufferOffset + span_aa.x - min_x];
RGBA_Bytes* cspan = pColorSpan;
sh.GenerateSpan(cspan,
span_aa.x,
sl_aa.y(),
(uint)len,
style);
byte* covers = &pCovers[span_aa.cover_index];
do
{
if (*covers == cover_full)
{
*colors = *cspan;
}
else
{
colors->add(*cspan, *covers);
}
++cspan;
++colors;
++covers;
}
while (--len != 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
}
}
// Emit the blended result as a Color hspan
//-------------------------
span_bin = sl_bin.Begin;
num_spans = sl_bin.NumberOfSpans;
for (; ; )
{
pixelFormat.BlendHorizontalColorSpan(span_bin.x,
sl_bin.y(),
(uint)span_bin.len,
&pColorSpan[mix_bufferOffset + span_bin.x - min_x],
null,
cover_full);
if (--num_spans == 0) break;
span_bin = sl_bin.GetNextScanlineSpan();
}
} // if(ras.SweepScanline(sl_bin, -1))
} // if(num_styles == 1) ... else
} // while((num_styles = ras.SweepStyles()) > 0)
}
}
} // if(ras.RewindScanlines())
#endif
}
}
//--------------------------------------------------------------------
public FormatClippingProxy(IPixelFormat ren)
: base(ren)
{
m_clip_box = new RectI(0, 0, (int)ren.Width - 1, (int)ren.Height - 1);
}
//========================================================render_all_paths
public static void RenderSolidAllPaths(IPixelFormat pixFormat,
IRasterizer ras,
IScanline sl,
IVertexSource vs,
RGBA_Bytes[] color_storage,
uint[] path_id,
uint num_paths)
{
for(uint i = 0; i < num_paths; i++)
{
ras.Reset();
#if use_timers
AddPathTimer.Start();
#endif
ras.AddPath(vs, path_id[i]);
#if use_timers
AddPathTimer.Stop();
#endif
#if use_timers
RenderSLTimer.Start();
#endif
RenderSolid(pixFormat, ras, sl, color_storage[i]);
#if use_timers
RenderSLTimer.Stop();
#endif
}
}
public RasterBufferAccessorClamp(IPixelFormat pixf)
{
m_pixf = pixf;
m_PixelWidthInBytes = m_pixf.PixelWidthInBytes;
}
public Renderer(IPixelFormat PixelFormat, RasterizerScanlineAA<T> Rasterizer, IScanlineCache ScanlineCache)
: base(PixelFormat, Rasterizer)
{
m_ScanlineCache = ScanlineCache;
}
public void attach(IPixelFormat pixf)
{
m_pixf = pixf;
}
public RendererOpenGL(IPixelFormat PixelFormat, RasterizerScanlineAA <T> Rasterizer)
: base(PixelFormat, Rasterizer)
{
TextPath = new GsvText <T>();
StrockedText = new ConvStroke <T>(TextPath);
}
//================================================render_scanline_aa_solid
private static void RenderSolidSingleScanLine(IPixelFormat pixFormat, IScanline scanLine, RGBA_Bytes color)
{
#if use_timers
render_scanline_aa_solidTimer.Start();
#endif
int y = scanLine.y();
uint num_spans = scanLine.NumberOfSpans;
ScanlineSpan scanlineSpan = scanLine.Begin;
byte[] ManagedCoversArray = scanLine.GetCovers();
unsafe
{
fixed (byte* pCovers = ManagedCoversArray)
{
for (; ; )
{
int x = scanlineSpan.x;
if (scanlineSpan.len > 0)
{
#if use_timers
render_scanline_aa_solid_blend_solid_hspan.Start();
#endif
pixFormat.BlendSolidHorizontalSpan(x, y, (uint)scanlineSpan.len, color, &pCovers[scanlineSpan.cover_index]);
#if use_timers
render_scanline_aa_solid_blend_solid_hspan.Stop();
#endif
}
else
{
#if use_timers
render_scanline_aa_solid_blend_hline.Start();
#endif
pixFormat.BlendHorizontalLine(x, y, (x - (int)scanlineSpan.len - 1), color, pCovers[scanlineSpan.cover_index]);
#if use_timers
render_scanline_aa_solid_blend_hline.Stop();
#endif
}
if (--num_spans == 0) break;
scanlineSpan = scanLine.GetNextScanlineSpan();
}
}
}
#if use_timers
render_scanline_aa_solidTimer.Stop();
#endif
}
public void AttachPixFmt(IPixelFormat pixf)
{
m_pixf = pixf;
}
//=====================================================render_scanlines_aa
public static void GenerateAndRender(IRasterizer ras, IScanline sl, IPixelFormat ren,
SpanAllocator alloc, ISpanGenerator span_gen)
{
if(ras.RewindScanlines())
{
sl.Reset(ras.MinX(), ras.MaxX());
span_gen.Prepare();
while(ras.SweepScanline(sl))
{
GenerateAndRenderSingleScanline(sl, ren, alloc, span_gen);
}
}
}
public static void RenderCompound(AntiAliasedCompundRasterizer ras,
IScanline sl_aa,
IScanline sl_bin,
IPixelFormat pixelFormat,
SpanAllocator alloc,
IStyleHandler sh)
{
#if true
unsafe
{
if (ras.RewindScanlines())
{
int min_x = ras.MinX();
int len = ras.MaxX() - min_x + 2;
sl_aa.Reset(min_x, ras.MaxX());
sl_bin.Reset(min_x, ras.MaxX());
//typedef typename BaseRenderer::color_type color_type;
ArrayPOD<RGBA_Bytes> color_span = alloc.Allocate((uint)len * 2);
byte[] ManagedCoversArray = sl_aa.GetCovers();
fixed (byte* pCovers = ManagedCoversArray)
{
fixed (RGBA_Bytes* pColorSpan = color_span.Array)
{
int mix_bufferOffset = len;
uint num_spans;
uint num_styles;
uint style;
bool solid;
while ((num_styles = ras.SweepStyles()) > 0)
{
if (num_styles == 1)
{
// Optimization for a single Style. Happens often
//-------------------------
if (ras.SweepScanline(sl_aa, 0))
{
style = ras.Style(0);
if (sh.IsSolid(style))
{
// Just solid fill
//-----------------------
RenderSolidSingleScanLine(pixelFormat, sl_aa, sh.Color(style));
}
else
{
// Arbitrary Span Generator
//-----------------------
ScanlineSpan span_aa = sl_aa.Begin;
num_spans = sl_aa.NumberOfSpans;
for (; ; )
{
len = span_aa.len;
sh.GenerateSpan(pColorSpan,
span_aa.x,
sl_aa.y(),
(uint)len,
style);
pixelFormat.BlendHorizontalColorSpan(span_aa.x,
sl_aa.y(),
(uint)span_aa.len,
pColorSpan,
&pCovers[span_aa.cover_index], 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
}
}
else // there are multiple Styles
{
if (ras.SweepScanline(sl_bin, -1))
{
// Clear the spans of the mix_buffer
//--------------------
ScanlineSpan span_bin = sl_bin.Begin;
num_spans = sl_bin.NumberOfSpans;
for (; ; )
{
Basics.MemClear((byte*)&pColorSpan[mix_bufferOffset + span_bin.x - min_x],
span_bin.len * sizeof(RGBA_Bytes));
if (--num_spans == 0) break;
span_bin = sl_bin.GetNextScanlineSpan();
}
for (uint i = 0; i < num_styles; i++)
{
style = ras.Style(i);
solid = sh.IsSolid(style);
if (ras.SweepScanline(sl_aa, (int)i))
{
//IColorType* Colors;
//IColorType* cspan;
//typename ScanlineAA::cover_type* covers;
ScanlineSpan span_aa = sl_aa.Begin;
num_spans = sl_aa.NumberOfSpans;
if (solid)
{
// Just solid fill
//-----------------------
for (; ; )
{
RGBA_Bytes c = sh.Color(style);
len = span_aa.len;
RGBA_Bytes* colors = &pColorSpan[mix_bufferOffset + span_aa.x - min_x];
byte* covers = &pCovers[span_aa.cover_index];
do
{
if (*covers == cover_full)
{
*colors = c;
}
else
{
colors->add(c, *covers);
}
++colors;
++covers;
}
while (--len != 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
else
{
// Arbitrary Span Generator
//-----------------------
for (; ; )
{
len = span_aa.len;
RGBA_Bytes* colors = &pColorSpan[mix_bufferOffset + span_aa.x - min_x];
RGBA_Bytes* cspan = pColorSpan;
sh.GenerateSpan(cspan,
span_aa.x,
sl_aa.y(),
(uint)len,
style);
byte* covers = &pCovers[span_aa.cover_index];
do
{
if (*covers == cover_full)
{
*colors = *cspan;
}
else
{
colors->add(*cspan, *covers);
}
++cspan;
++colors;
++covers;
}
while (--len != 0);
if (--num_spans == 0) break;
span_aa = sl_aa.GetNextScanlineSpan();
}
}
}
}
// Emit the blended result as a Color hspan
//-------------------------
span_bin = sl_bin.Begin;
num_spans = sl_bin.NumberOfSpans;
for (; ; )
{
pixelFormat.BlendHorizontalColorSpan(span_bin.x,
sl_bin.y(),
(uint)span_bin.len,
&pColorSpan[mix_bufferOffset + span_bin.x - min_x],
null,
cover_full);
if (--num_spans == 0) break;
span_bin = sl_bin.GetNextScanlineSpan();
}
} // if(ras.SweepScanline(sl_bin, -1))
} // if(num_styles == 1) ... else
} // while((num_styles = ras.SweepStyles()) > 0)
}
}
} // if(ras.RewindScanlines())
#endif
}
}
//========================================================render_scanlines
public static void RenderSolid(IPixelFormat pixFormat, IRasterizer rasterizer, IScanline scanLine, RGBA_Bytes color)
{
if(rasterizer.RewindScanlines())
{
scanLine.Reset(rasterizer.MinX(), rasterizer.MaxX());
#if use_timers
PrepareTimer.Start();
#endif
//renderer.Prepare();
#if use_timers
PrepareTimer.Stop();
#endif
while(rasterizer.SweepScanline(scanLine))
{
Renderer.RenderSolidSingleScanLine(pixFormat, scanLine, color);
}
}
}
public void BlurY(IPixelFormat img, double radius)
{
FormatTransposer img2 = new FormatTransposer(img);
BlurX(img2, radius);
}
//======================================================render_scanline_aa
private static void GenerateAndRenderSingleScanline(IScanline sl, IPixelFormat ren,
SpanAllocator alloc, ISpanGenerator span_gen)
{
int y = sl.y();
uint num_spans = sl.NumberOfSpans;
ScanlineSpan scanlineSpan = sl.Begin;
byte[] ManagedCoversArray = sl.GetCovers();
unsafe
{
fixed (byte* pCovers = ManagedCoversArray)
{
for (; ; )
{
int x = scanlineSpan.x;
int len = scanlineSpan.len;
if(len < 0) len = -len;
if(tempSpanColors.Capacity() < len)
{
tempSpanColors.Allocate((uint)(len));
}
fixed (RGBA_Bytes* pColors = tempSpanColors.Array)
{
span_gen.Generate(pColors, x, y, (uint)len);
#if use_timers
blend_color_hspan.Start();
#endif
ren.BlendHorizontalColorSpan(x, y, (uint)len, pColors, (scanlineSpan.len < 0) ? null : &pCovers[scanlineSpan.cover_index], pCovers[scanlineSpan.cover_index]);
#if use_timers
blend_color_hspan.Stop();
#endif
}
if (--num_spans == 0) break;
scanlineSpan = sl.GetNextScanlineSpan();
}
}
}
}
public PixelFormatFilter(IPixelFormat pixelFormat) => _pixelFormat = pixelFormat;
