public override void Render(IVertexSource vertexSource, int pathIndexToRender, RGBA_Bytes colorBytes)
{
m_Rasterizer.reset();
Affine transform = GetTransform();
if (!transform.IsIdentity())
{
vertexSource = new conv_transform(vertexSource, transform);
}
m_Rasterizer.add_path(vertexSource, pathIndexToRender);
Renderer.RenderSolid(m_DestImage, m_Rasterizer, m_ScanlineCache, colorBytes);
}
void DrawImage(IImage sourceImage,
double DestX, double DestY,
double HotspotOffsetX, double HotspotOffsetY,
double ScaleX, double ScaleY,
double AngleRad,
RGBA_Bytes Color32,
ref RectangleD pFinalBlitBounds,
bool doDrawing,
bool oneMinusSourceAlphaOne)
{
Affine destRectTransform = Affine.NewIdentity();
if (HotspotOffsetX != 0.0f || HotspotOffsetY != 0.0f)
{
destRectTransform *= Affine.NewTranslation(-HotspotOffsetX, -HotspotOffsetY);
}
if (ScaleX != 1 || ScaleY != 1)
{
destRectTransform *= Affine.NewScaling(ScaleX, ScaleY);
}
if (AngleRad != 0)
{
destRectTransform *= Affine.NewRotation(AngleRad);
}
if (DestX != 0 || DestY != 0)
{
destRectTransform *= Affine.NewTranslation(DestX, DestY);
}
int SourceBufferWidth = (int)sourceImage.Width();
int SourceBufferHeight = (int)sourceImage.Height();
RectPath.Clear();
RectPath.MoveTo(0, 0);
RectPath.LineTo(SourceBufferWidth, 0);
RectPath.LineTo(SourceBufferWidth, SourceBufferHeight);
RectPath.LineTo(0, SourceBufferHeight);
RectPath.ClosePolygon();
// Calculate the bounds. LBB [10/5/2004]
const int ERROR_ADD = 0;
double BoundXDouble, BoundYDouble;
BoundXDouble = 0; BoundYDouble = 0;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
double BoundX = (double)BoundXDouble;
double BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Floor(BoundX - ERROR_ADD);
pFinalBlitBounds.Right = Math.Ceiling(BoundX + ERROR_ADD);
pFinalBlitBounds.Top = Math.Floor(BoundY - ERROR_ADD);
pFinalBlitBounds.Bottom = Math.Ceiling(BoundY + ERROR_ADD);
BoundXDouble = SourceBufferWidth; BoundYDouble = 0;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
BoundXDouble = SourceBufferWidth; BoundYDouble = SourceBufferHeight;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
BoundXDouble = 0; BoundYDouble = SourceBufferHeight;
destRectTransform.Transform(ref BoundXDouble, ref BoundYDouble);
BoundX = (double)BoundXDouble;
BoundY = (double)BoundYDouble;
pFinalBlitBounds.Left = Math.Min((long)Math.Floor(BoundX - ERROR_ADD), pFinalBlitBounds.Left);
pFinalBlitBounds.Right = Math.Max((long)Math.Ceiling(BoundX + ERROR_ADD), pFinalBlitBounds.Right);
pFinalBlitBounds.Top = Math.Min((long)Math.Floor(BoundY - ERROR_ADD), pFinalBlitBounds.Top);
pFinalBlitBounds.Bottom = Math.Max((long)Math.Ceiling(BoundY + ERROR_ADD), pFinalBlitBounds.Bottom);
if (!doDrawing)
{
return;
}
if (m_DestImage.OriginOffset.x != 0 || m_DestImage.OriginOffset.y != 0)
{
destRectTransform *= Affine.NewTranslation(-m_DestImage.OriginOffset.x, -m_DestImage.OriginOffset.y);
}
Affine sourceRectTransform = new Affine(destRectTransform);
// We invert it because it is the transform to make the image go to the same position as the polygon. LBB [2/24/2004]
sourceRectTransform.Invert();
span_allocator spanAllocator = new span_allocator();
span_interpolator_linear interpolator = new span_interpolator_linear(sourceRectTransform);
ImageBuffer sourceImageWithBlender = (ImageBuffer)sourceImage;// new ImageBuffer(sourceImage, new BlenderBGRA());
span_image_filter_rgba_bilinear_clip spanImageFilter;
ImageBufferAccessorClip source = new ImageBufferAccessorClip(sourceImageWithBlender, RGBA_Doubles.rgba_pre(0, 0, 0, 0).GetAsRGBA_Bytes());
spanImageFilter = new span_image_filter_rgba_bilinear_clip(source, RGBA_Doubles.rgba_pre(0, 0, 0, 0), interpolator);
rasterizer_scanline_aa rasterizer = new rasterizer_scanline_aa();
rasterizer.SetVectorClipBox(0, 0, m_DestImage.Width(), m_DestImage.Height());
scanline_packed_8 scanlineCache = new scanline_packed_8();
//scanline_unpacked_8 scanlineCache = new scanline_unpacked_8();
conv_transform transfromedRect = new conv_transform(RectPath, destRectTransform);
rasterizer.add_path(transfromedRect);
#if false
bool HighQualityFilter = (BlitXParams.m_OptionalFlags & CBlitXParams::BlitHighQualityFilter) != 0
&& (BlitXParams.m_OptionalFlags & CBlitXParams::RenderOneMinusScrAlpha_One) == 0;
if (HighQualityFilter)
{