void Graphics::FillRoundRectangle(Brush* brush, const RectF& rc, float d) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Brush* gdiBrush = reinterpret_cast<Gdiplus::Brush*>(brush->_private);
Gdiplus::GraphicsPath gp;
Gdiplus::RectF r(rc.GetLeft()-1.0f, rc.GetTop()-1.0f, rc.GetWidth(), rc.GetHeight());
gp.AddArc(r.X, r.Y, d, d, 180.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0.0f, 90.0f);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90.0f, 90.0f);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2.0f);
g->FillPath(gdiBrush, &gp);
}
void Graphics::DrawRoundRectangle(Pen* pen, const RectF& rc, float d) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
Gdiplus::Pen* gdiPen = reinterpret_cast<Gdiplus::Pen*>(pen->_private);
Gdiplus::GraphicsPath gp;
Gdiplus::RectF r(rc.GetLeft()-1.0f, rc.GetTop()-1.0f, rc.GetWidth(), rc.GetHeight());
gp.AddArc(r.X, r.Y, d, d, 180.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y, d, d, 270.0f, 90.0f);
gp.AddArc(r.X + r.Width - d, r.Y + r.Height - d, d, d, 0.0f, 90.0f);
gp.AddArc(r.X, r.Y + r.Height - d, d, d, 90.0f, 90.0f);
gp.AddLine(r.X, r.Y + r.Height - d, r.X, r.Y + d / 2.0f);
g->DrawPath(gdiPen, &gp);
}
//-----------------------------------------------------------------------------
void GdiplusDrawContext::drawArc (const CRect& rect, const float _startAngle, const float _endAngle, const CDrawStyle drawStyle)
{
if (pGraphics)
{
GdiplusDrawScope drawScope (pGraphics, currentState.clipRect, getCurrentTransform ());
float endAngle = _endAngle;
if (endAngle < _startAngle)
endAngle += 360.f;
endAngle = fabs (endAngle - _startAngle);
Gdiplus::RectF r ((Gdiplus::REAL)rect.left, (Gdiplus::REAL)rect.top, (Gdiplus::REAL)rect.getWidth (), (Gdiplus::REAL)rect.getHeight ());
Gdiplus::GraphicsPath path;
path.AddArc (r, _startAngle, endAngle);
if (drawStyle == kDrawFilled || drawStyle == kDrawFilledAndStroked)
pGraphics->FillPath (pBrush, &path);
if (drawStyle == kDrawStroked || drawStyle == kDrawFilledAndStroked)
pGraphics->DrawPath (pPen, &path);
}
}
BOOL GdiplusUtilities::GetRoundRectGraphicsPath(Gdiplus::GraphicsPath& p,
int x, int y, int width, int height, int radius, RectangleCorners corners)
{
int xw = x + width;
int yh = y + height;
int xwr = xw - radius;
int yhr = yh - radius;
int xr = x + radius;
int yr = y + radius;
int r2 = radius * 2;
int xwr2 = xw - r2;
int yhr2 = yh - r2;
p.StartFigure();
//Top Left Corner
if ((TopLeft & corners) == TopLeft)
{
p.AddArc(x, y, r2, r2, 180, 90);
}
else
{
p.AddLine(x, yr, x, y);
p.AddLine(x, y, xr, y);
}
//Top Edge
p.AddLine(xr, y, xwr, y);
//Top Right Corner
if ((TopRight & corners)
== TopRight)
{
p.AddArc(xwr2, y, r2, r2, 270, 90);
}
else
{
p.AddLine(xwr, y, xw, y);
p.AddLine(xw, y, xw, yr);
}
//Right Edge
p.AddLine(xw, yr, xw, yhr);
//Bottom Right Corner
if ((BottomRight & corners)
== BottomRight)
{
p.AddArc(xwr2, yhr2, r2, r2, 0, 90);
}
else
{
p.AddLine(xw, yhr, xw, yh);
p.AddLine(xw, yh, xwr, yh);
}
//Bottom Edge
p.AddLine(xwr, yh, xr, yh);
//Bottom Left Corner
if ((BottomLeft & corners)
== BottomLeft)
{
p.AddArc(x, yhr2, r2, r2, 90, 90);
}
else
{
p.AddLine(xr, yh, x, yh);
p.AddLine(x, yh, x, yhr);
}
//Left Edge
p.AddLine(x, yhr, x, yr);
p.CloseFigure();
return TRUE;
}