void DrawingPanel_Paint(object sender, GUI.PaintEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
double scale = m_ScaleSlider.Value;
e.Graphics.TranslateTransform(scale * m_x, scale * m_y);
Matrix4 mtx = Matrix4.CreateTranslation(-m_SVGPathBounds.Center.X, -m_SVGPathBounds.Center.Y);
mtx.Scale(scale, scale, MatrixOrder.Append);
mtx.Rotate(m_RotateSlider.Value, MatrixOrder.Append);
//mtx.Translate(m_x, m_y, MatrixOrder.Append);
m_SVGPath.Expand = m_ExpandSlider.Value;
e.Graphics.Opacity = m_OpacitySlider.Value;
#if GEOMETRY_TRANSFORMATIONS
m_SVGPath.Render(e.Graphics, mtx);
#else
e.Graphics.Transform = mtx.ToMatrix();
m_SVGPath.Render(e.Graphics);
#endif
}
protected override void OnPaint(GUI.PaintEventArgs e)
{
base.OnPaint(e);
Bitmap bitmap = Bitmap;
if (bitmap != null)
{
if (m_Opacity < 1)
{
m_Opacity += OpacityIncrement;
if (m_Opacity > 1)
{
m_Opacity = 1;
}
Matrix4 mtx = Matrix4.CreateTranslation(-m_SVGPathBounds.Center.X, -m_SVGPathBounds.Center.Y);
double scale = m_Scale;
mtx.Scale(scale, scale, MatrixOrder.Append);
mtx.Rotate(m_Rotation, MatrixOrder.Append);
mtx.Multiply(Matrix4.CreateSkewing(m_SkewX / 500.0, m_SkewY / 500.0), MatrixOrder.Append);
mtx.Translate(m_x, m_y, MatrixOrder.Append);
using (Graphics graphics = Graphics.FromImage(bitmap))
{
graphics.Opacity = m_Opacity;
m_SVGPath.Render(graphics, mtx);
}
}
e.Graphics.DrawImage(bitmap);
}
}
void PreviewPanel_Paint(object sender, GUI.PaintEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
// Small Filled
Matrix4 mtx = Matrix4.CreateTranslation(-m_SVGPathBounds.Center.X, -m_SVGPathBounds.Center.Y);
double scale = m_SmallScale;
mtx.Scale(scale, scale, MatrixOrder.Append);
mtx.Rotate(m_RotateSlider.Value, MatrixOrder.Append);
mtx.Translate(
m_ScaleControl.Right + m_SVGPathBounds.Width * scale / 2 + 10,
m_RotateControl.Bottom + m_SVGPathBounds.Height * scale / 2 + 10, MatrixOrder.Append);
m_SVGPath.Render(e.Graphics, mtx);
}
void DrawingPanel_Paint(object sender, PaintEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
Matrix4 mtx = Matrix4.CreateTranslation(-m_SVGPathBounds.Center.X, -m_SVGPathBounds.Center.Y);
mtx.Scale(m_Scale, m_Scale, MatrixOrder.Append);
mtx.Translate(m_x, m_y, MatrixOrder.Append);
ITransform transform = null;
if (rbBilinear.IsChecked)
{
Bilinear tr = new Bilinear(
m_SVGPathScaledBounds.Left, m_SVGPathScaledBounds.Top,
m_SVGPathScaledBounds.Right, m_SVGPathScaledBounds.Bottom, m_PolygonElement.Polygon);
if (tr.IsValid)
{
transform = tr;
}
}
else
{
Perspective tr = new Perspective(
m_SVGPathScaledBounds.Left, m_SVGPathScaledBounds.Top,
m_SVGPathScaledBounds.Right, m_SVGPathScaledBounds.Bottom, m_PolygonElement.Polygon);
if (tr.IsValid() &&
Perspective.IsConvex(m_PolygonElement.Polygon))
{
transform = tr;
}
}
//
GeometryTransformer transformer = null;
if (transform != null)
{
transformer = new GeometryTransformer(transform);
}
// Render transformed SVG
m_SVGPath.Render(e.Graphics, mtx, transformer);
// Render transformed ellipse
Point center = m_SVGPathScaledBounds.Center;
EllipseGeometry FilledEllipse = new EllipseGeometry(center.X, center.Y, m_SVGPathScaledBounds.Width / 2, m_SVGPathScaledBounds.Height / 2, 200);
GeometryStroke EllipseOutline = new GeometryStroke(FilledEllipse);
EllipseOutline.Width = 3.0;
Geometry TransformedFilledEllipse = FilledEllipse;
Geometry TransformedEllipesOutline = EllipseOutline;
if (transform != null)
{
TransformedFilledEllipse = new GeometryTransformer(FilledEllipse, transform);
TransformedEllipesOutline = new GeometryTransformer(EllipseOutline, transform);
}
SmoothingMode saveSmoothingMode = e.Graphics.SmoothingMode;
e.Graphics.SmoothingMode = SmoothingMode.None;
{
e.Graphics.FillGeometry(m_EllipseBrush, TransformedFilledEllipse);
}
e.Graphics.SmoothingMode = saveSmoothingMode;
e.Graphics.FillGeometry(m_EllipsePen.Color, TransformedEllipesOutline);
}