public static SvgPart TransformToNew(SvgPart originalSvgVx, PixelFarm.Agg.Transform.Affine tx)
{
SvgPart newSx = new SvgPart(originalSvgVx.Kind);
if (originalSvgVx._vxs != null)
{
VertexStore vxs = new VertexStore();
tx.TransformToVxs(originalSvgVx._vxs, vxs);
newSx._vxs = vxs;
}
if (originalSvgVx.HasFillColor)
{
newSx._fillColor = originalSvgVx._fillColor;
}
if (originalSvgVx.HasStrokeColor)
{
newSx.StrokeColor = originalSvgVx.StrokeColor;
}
if (originalSvgVx.HasStrokeWidth)
{
newSx.StrokeWidth = originalSvgVx.StrokeWidth;
}
return(newSx);
}
public override void Draw(PixelFarm.Drawing.Painter p)
{
if (myvxs == null)
{
var transform = Affine.NewMatix(
AffinePlan.Translate(-lionShape.Center.x, -lionShape.Center.y),
AffinePlan.Scale(spriteScale, spriteScale),
AffinePlan.Rotate(angle + Math.PI),
AffinePlan.Skew(skewX / 1000.0, skewY / 1000.0),
AffinePlan.Translate(Width / 2, Height / 2)
);
//create vertextStore again from original path
myvxs = new VertexStore();
transform.TransformToVxs(lionShape.Vxs, myvxs);
if (AutoFlipY)
{
//flip the lion
PixelFarm.Agg.Transform.Affine aff = PixelFarm.Agg.Transform.Affine.NewMatix(
PixelFarm.Agg.Transform.AffinePlan.Scale(-1, -1),
PixelFarm.Agg.Transform.AffinePlan.Translate(0, 600));
//
var v2 = new VertexStore();
myvxs = transform.TransformToVxs(myvxs, v2);
}
}
//---------------------------------------------------------------------------------------------
{
int j = lionShape.NumPaths;
int[] pathList = lionShape.PathIndexList;
Drawing.Color[] colors = lionShape.Colors;
//graphics2D.UseSubPixelRendering = true;
for (int i = 0; i < j; ++i)
{
p.FillColor = colors[i];
p.Fill(new VertexStoreSnap(myvxs, pathList[i]));
}
}
//test
if (SharpenRadius > 0)
{
//p.DoFilter(new RectInt(0, p.Height, p.Width, 0), 2);
//PixelFarm.Agg.Imaging.SharpenFilterARGB.Sharpen()
}
}
// From affine
public Perspective(Affine a)
{
sx = a.sx; shy = a.shy; w0 = 0;
shx = a.shx; sy = a.sy; w1 = 0;
tx = a.tx; ty = a.ty; w2 = 1;
}
// Multiply inverse of "m" by "this" and assign the result to "this"
Perspective premultiply_inv(Affine m)
{
Perspective t = new Perspective(m);
t.invert();
Set(t.multiply(this));
return this;
}
//------------------------------------------------------------------------
Perspective trans_perspectivemultiply_inv(Affine m)
{
Affine t = m;
var invert = t.CreateInvert();
return multiply(invert);
}
//------------------------------------------------------------------------
Perspective multiply(Affine a)
{
Perspective b = new Perspective(this);
sx = a.sx * b.sx + a.shx * b.shy + a.tx * b.w0;
shx = a.sx * b.shx + a.shx * b.sy + a.tx * b.w1;
tx = a.sx * b.tx + a.shx * b.ty + a.tx * b.w2;
shy = a.shy * b.sx + a.sy * b.shy + a.ty * b.w0;
sy = a.shy * b.shx + a.sy * b.sy + a.ty * b.w1;
ty = a.shy * b.tx + a.sy * b.ty + a.ty * b.w2;
return this;
}
//--------------------------------------------------------- Operations
public Perspective from_affine(Affine a)
{
sx = a.sx; shy = a.shy; w0 = 0;
shx = a.shx; sy = a.sy; w1 = 0;
tx = a.tx; ty = a.ty; w2 = 1;
return this;
}
public void Render(Painter p)
{
//
if (HasBitmapSnapshot)
{
p.DrawImage(_backimg, X, Y);
return;
}
PixelFarm.Agg.Transform.Affine currentTx = null;
var renderState = new TempRenderState();
renderState.strokeColor = p.StrokeColor;
renderState.strokeWidth = (float)p.StrokeWidth;
renderState.fillColor = p.FillColor;
renderState.affineTx = currentTx;
//------------------
VertexStore tempVxs = p.GetTempVxsStore();
int j = _vxList.Length;
for (int i = 0; i < j; ++i)
{
SvgPart vx = _vxList[i];
switch (vx.Kind)
{
case SvgRenderVxKind.BeginGroup:
{
//1. save current state before enter new state
p.StackPushUserObject(renderState);
//2. enter new px context
if (vx.HasFillColor)
{
p.FillColor = renderState.fillColor = vx.FillColor;
}
if (vx.HasStrokeColor)
{
p.StrokeColor = renderState.strokeColor = vx.StrokeColor;
}
if (vx.HasStrokeWidth)
{
p.StrokeWidth = renderState.strokeWidth = vx.StrokeWidth;
}
if (vx.AffineTx != null)
{
//apply this to current tx
if (currentTx != null)
{
currentTx = currentTx * vx.AffineTx;
}
else
{
currentTx = vx.AffineTx;
}
renderState.affineTx = currentTx;
}
}
break;
case SvgRenderVxKind.EndGroup:
{
//restore to prev state
renderState = (TempRenderState)p.StackPopUserObject();
p.FillColor = renderState.fillColor;
p.StrokeColor = renderState.strokeColor;
p.StrokeWidth = renderState.strokeWidth;
currentTx = renderState.affineTx;
}
break;
case SvgRenderVxKind.Path:
{
VertexStore vxs = vx.GetVxs();
if (vx.HasFillColor)
{
//has specific fill color
if (vx.FillColor.A > 0)
{
if (currentTx == null)
{
p.Fill(vxs, vx.FillColor);
}
else
{
//have some tx
tempVxs.Clear();
currentTx.TransformToVxs(vxs, tempVxs);
p.Fill(tempVxs, vx.FillColor);
}
}
}
else
{
if (p.FillColor.A > 0)
{
if (currentTx == null)
{
p.Fill(vxs);
}
else
{
//have some tx
tempVxs.Clear();
currentTx.TransformToVxs(vxs, tempVxs);
p.Fill(tempVxs);
}
}
}
if (p.StrokeWidth > 0)
{
//check if we have a stroke version of this render vx
//if not then request a new one
if (vx.HasStrokeColor)
{
//has specific stroke color
p.StrokeWidth = vx.StrokeWidth;
VertexStore strokeVxs = GetStrokeVxsOrCreateNew(vx, p, (float)p.StrokeWidth);
if (currentTx == null)
{
p.Fill(strokeVxs, vx.StrokeColor);
}
else
{
//have some tx
tempVxs.Clear();
currentTx.TransformToVxs(strokeVxs, tempVxs);
p.Fill(tempVxs, vx.StrokeColor);
}
}
else if (p.StrokeColor.A > 0)
{
VertexStore strokeVxs = GetStrokeVxsOrCreateNew(vx, p, (float)p.StrokeWidth);
if (currentTx == null)
{
p.Fill(strokeVxs, p.StrokeColor);
}
else
{
tempVxs.Clear();
currentTx.TransformToVxs(strokeVxs, tempVxs);
p.Fill(tempVxs, p.StrokeColor);
}
}
else
{
}
}
else
{
if (vx.HasStrokeColor)
{
VertexStore strokeVxs = GetStrokeVxsOrCreateNew(vx, p, (float)p.StrokeWidth);
p.Fill(strokeVxs);
}
else if (p.StrokeColor.A > 0)
{
VertexStore strokeVxs = GetStrokeVxsOrCreateNew(vx, p, (float)p.StrokeWidth);
p.Fill(strokeVxs, p.StrokeColor);
}
}
}
break;
}
}
p.ReleaseTempVxsStore(tempVxs);
}
/*
//===============================================trans_affine_line_segment
// Rotate, Scale and Translate, associating 0...dist with line segment
// x1,y1,x2,y2
public static Affine NewScaling(double x, double y)
{
return new Affine(x, 0.0, 0.0, y, 0.0, 0.0);
}
public sealed class trans_affine_line_segment : Affine
{
public trans_affine_line_segment(double x1, double y1, double x2, double y2,
double dist)
{
double dx = x2 - x1;
double dy = y2 - y1;
if (dist > 0.0)
{
//multiply(trans_affine_scaling(sqrt(dx * dx + dy * dy) / dist));
}
//multiply(trans_affine_rotation(Math.Atan2(dy, dx)));
//multiply(trans_affine_translation(x1, y1));
}
};
//============================================trans_affine_reflection_unit
// Reflection matrix. Reflect coordinates across the line through
// the origin containing the unit vector (ux, uy).
// Contributed by John Horigan
public static Affine NewScaling(double x, double y)
{
return new Affine(x, 0.0, 0.0, y, 0.0, 0.0);
}
public class trans_affine_reflection_unit : Affine
{
public trans_affine_reflection_unit(double ux, double uy)
:
base(2.0 * ux * ux - 1.0,
2.0 * ux * uy,
2.0 * ux * uy,
2.0 * uy * uy - 1.0,
0.0, 0.0)
{ }
};
//=================================================trans_affine_reflection
// Reflection matrix. Reflect coordinates across the line through
// the origin at the angle a or containing the non-unit vector (x, y).
// Contributed by John Horigan
public static Affine NewScaling(double x, double y)
{
return new Affine(x, 0.0, 0.0, y, 0.0, 0.0);
}
public sealed class trans_affine_reflection : trans_affine_reflection_unit
{
public trans_affine_reflection(double a)
:
base(Math.Cos(a), Math.Sin(a))
{ }
public trans_affine_reflection(double x, double y)
:
base(x / Math.Sqrt(x * x + y * y), y / Math.Sqrt(x * x + y * y))
{ }
};
*/
/*
// Rectangle to a parallelogram.
trans_affine(double x1, double y1, double x2, double y2, double* parl)
{
rect_to_parl(x1, y1, x2, y2, parl);
}
// Parallelogram to a rectangle.
trans_affine(double* parl,
double x1, double y1, double x2, double y2)
{
parl_to_rect(parl, x1, y1, x2, y2);
}
// Arbitrary parallelogram transformation.
trans_affine(double* src, double* dst)
{
parl_to_parl(src, dst);
}
//---------------------------------- Parellelogram transformations
// transform a parallelogram to another one. Src and dst are
// pointers to arrays of three points (double[6], x1,y1,...) that
// identify three corners of the parallelograms assuming implicit
// fourth point. The arguments are arrays of double[6] mapped
// to x1,y1, x2,y2, x3,y3 where the coordinates are:
// *-----------------*
// / (x3,y3)/
// / /
// /(x1,y1) (x2,y2)/
// *-----------------*
trans_affine parl_to_parl(double* src, double* dst)
{
sx = src[2] - src[0];
shy = src[3] - src[1];
shx = src[4] - src[0];
sy = src[5] - src[1];
tx = src[0];
ty = src[1];
invert();
multiply(trans_affine(dst[2] - dst[0], dst[3] - dst[1],
dst[4] - dst[0], dst[5] - dst[1],
dst[0], dst[1]));
return *this;
}
trans_affine rect_to_parl(double x1, double y1,
double x2, double y2,
double* parl)
{
double src[6];
src[0] = x1; src[1] = y1;
src[2] = x2; src[3] = y1;
src[4] = x2; src[5] = y2;
parl_to_parl(src, parl);
return *this;
}
trans_affine parl_to_rect(double* parl,
double x1, double y1,
double x2, double y2)
{
double dst[6];
dst[0] = x1; dst[1] = y1;
dst[2] = x2; dst[3] = y1;
dst[4] = x2; dst[5] = y2;
parl_to_parl(parl, dst);
return *this;
}
*/
//------------------------------------------ Operations
// Reset - load an identity matrix
//public void identity()
//{
// sx = sy = 1.0;
// shy = shx = tx = ty = 0.0;
//}
//Direct transformations operations
//public void translate(double x, double y)
//{
// tx += x;
// ty += y;
//}
//public void rotate(double AngleRadians)
//{
// double ca = Math.Cos(AngleRadians);
// double sa = Math.Sin(AngleRadians);
// double t0 = sx * ca - shy * sa;
// double t2 = shx * ca - sy * sa;
// double t4 = tx * ca - ty * sa;
// shy = sx * sa + shy * ca;
// sy = shx * sa + sy * ca;
// ty = tx * sa + ty * ca;
// sx = t0;
// shx = t2;
// tx = t4;
//}
//public void scale(double x, double y)
//{
// double mm0 = x; // Possible hint for the optimizer
// double mm3 = y;
// sx *= mm0;
// shx *= mm0;
// tx *= mm0;
// shy *= mm3;
// sy *= mm3;
// ty *= mm3;
//}
//public void scale(double scaleAmount)
//{
// sx *= scaleAmount;
// shx *= scaleAmount;
// tx *= scaleAmount;
// shy *= scaleAmount;
// sy *= scaleAmount;
// ty *= scaleAmount;
//}
// Multiply matrix to another one
static void MultiplyMatrix(
ref double sx, ref double sy,
ref double shx, ref double shy,
ref double tx, ref double ty,
Affine m)
{
double t0 = sx * m.sx + shy * m.shx;
double t2 = shx * m.sx + sy * m.shx;
double t4 = tx * m.sx + ty * m.shx + m.tx;
shy = sx * m.shy + shy * m.sy;
sy = shx * m.shy + sy * m.sy;
ty = tx * m.shy + ty * m.sy + m.ty;
sx = t0;
shx = t2;
tx = t4;
}
//----------------------------------------------------------
// Identity matrix
static Affine NewIdentity()
{
var newIden = new Affine(
1, 0,
0, 1,
0, 0);
newIden.isIdenHint = true;
return newIden;
}
private Affine(Affine copyFrom, AffinePlan creationPlan)
{
//-----------------------
sx = copyFrom.sx;
shy = copyFrom.shy;
shx = copyFrom.shx;
sy = copyFrom.sy;
tx = copyFrom.tx;
ty = copyFrom.ty;
//-----------------------
switch (creationPlan.cmd)
{
default:
{
throw new NotSupportedException();
}
case AffineMatrixCommand.None:
break;
case AffineMatrixCommand.Rotate:
{
double angleRad = creationPlan.x;
double ca = Math.Cos(angleRad);
double sa = Math.Sin(angleRad);
double t0 = sx * ca - shy * sa;
double t2 = shx * ca - sy * sa;
double t4 = tx * ca - ty * sa;
shy = sx * sa + shy * ca;
sy = shx * sa + sy * ca;
ty = tx * sa + ty * ca;
sx = t0;
shx = t2;
tx = t4;
}
break;
case AffineMatrixCommand.Scale:
{
double mm0 = creationPlan.x;
double mm3 = creationPlan.y;
sx *= mm0;
shx *= mm0;
tx *= mm0;
shy *= mm3;
sy *= mm3;
ty *= mm3;
}
break;
case AffineMatrixCommand.Skew:
{
double m_sx = 1;
double m_sy = 1;
double m_shx = Math.Tan(creationPlan.x);
double m_shy = Math.Tan(creationPlan.y);
double t0 = sx * m_sx + shy * m_shx;
double t2 = shx * m_sx + sy * m_shx;
double t4 = tx * m_sx + ty * m_shx + 0;//0=m.tx
shy = sx * m_shy + shy * m_sy;
sy = shx * m_shy + sy * m_sy;
ty = tx * m_shy + ty * m_sy + 0;//0= m.ty;
sx = t0;
shx = t2;
tx = t4;
//return new Affine(1.0, Math.Tan(y), Math.Tan(x), 1.0, 0.0, 0.0);
}
break;
case AffineMatrixCommand.Translate:
{
tx += creationPlan.x;
ty += creationPlan.y;
}
break;
case AffineMatrixCommand.Invert:
{
double d = CalculateDeterminantReciprocal();
double t0 = sy * d;
sy = sx * d;
shy = -shy * d;
shx = -shx * d;
double t4 = -tx * t0 - ty * shx;
ty = -tx * shy - ty * sy;
sx = t0;
tx = t4;
}
break;
}
}
private Affine(Affine a, Affine b)
{
//copy from a
//multiply with b
sx = a.sx;
shy = a.shy;
shx = a.shx;
sy = a.sy;
tx = a.tx;
ty = a.ty;
MultiplyMatrix(ref sx, ref sy, ref shx, ref shy, ref tx, ref ty, b);
}
//------------------------------------------ Construction
private Affine(Affine copyFrom)
{
sx = copyFrom.sx;
shy = copyFrom.shy;
shx = copyFrom.shx;
sy = copyFrom.sy;
tx = copyFrom.tx;
ty = copyFrom.ty;
}
