static mode_t o_rwx(void) { return (o_r() | o_w() | o_x()); }
//-----------------------------------------------------------------------------
ID2D1PathGeometry* D2DGraphicsPath::getPath (int32_t fillMode)
{
if (path == 0 || fillMode != currentPathFillMode)
{
dirty ();
if (!SUCCEEDED (getD2DFactory ()->CreatePathGeometry (&path)))
return 0;
if (fillMode == -1)
fillMode = 0;
currentPathFillMode = fillMode;
ID2D1GeometrySink* sink = 0;
if (!SUCCEEDED (path->Open (&sink)))
{
path->Release ();
path = 0;
return 0;
}
sink->SetFillMode ((D2D1_FILL_MODE)fillMode);
bool figureOpen = false;
CPoint lastPos;
for (ElementList::const_iterator it = elements.begin (); it != elements.end (); it++)
{
Element e = (*it);
switch (e.type)
{
case Element::kArc:
{
bool clockwise = e.instruction.arc.clockwise;
double startAngle = e.instruction.arc.startAngle;
double endAngle = e.instruction.arc.endAngle;
CRect o_r (e.instruction.arc.rect.left, e.instruction.arc.rect.top, e.instruction.arc.rect.right, e.instruction.arc.rect.bottom);
CRect r (o_r);
o_r.originize ();
CPoint center = o_r.getCenter ();
CPoint start;
start.x = r.left + center.x + center.x * cos (radians (startAngle));
start.y = r.top + center.y + center.y * sin (radians (startAngle));
if (!figureOpen)
{
sink->BeginFigure (makeD2DPoint (start), D2D1_FIGURE_BEGIN_FILLED);
figureOpen = true;
}
else if (lastPos != start)
{
sink->AddLine (makeD2DPoint (start));
}
double sweepangle = endAngle - startAngle;
if (clockwise) {
// sweepangle positive
while (sweepangle < 0.0)
sweepangle += 360.0;
while (sweepangle > 360.0)
sweepangle -= 360.0;
} else {
// sweepangle negative
while (sweepangle > 0.0)
sweepangle -= 360.0;
while (sweepangle < -360.0)
sweepangle += 360.0;
}
CPoint endPoint;
endPoint.x = r.left + center.x + center.x * cos (radians (endAngle));
endPoint.y = r.top + center.y + center.y * sin (radians (endAngle));
D2D1_ARC_SEGMENT arc;
arc.size = makeD2DSize (r.getWidth ()/2., r.getHeight ()/2.);
arc.rotationAngle = 0;
arc.sweepDirection = clockwise ? D2D1_SWEEP_DIRECTION_CLOCKWISE : D2D1_SWEEP_DIRECTION_COUNTER_CLOCKWISE;
arc.point = makeD2DPoint (endPoint);
arc.arcSize = fabs(sweepangle) <= 180. ? D2D1_ARC_SIZE_SMALL : D2D1_ARC_SIZE_LARGE;
sink->AddArc (arc);
lastPos = endPoint;
break;
}
case Element::kEllipse:
{
CRect r (e.instruction.rect.left, e.instruction.rect.top, e.instruction.rect.right, e.instruction.rect.bottom);
CPoint top (r.getTopLeft ());
top.x += r.getWidth () / 2.;
CPoint bottom (r.getBottomLeft ());
bottom.x += r.getWidth () / 2.;
if (figureOpen && lastPos != CPoint (e.instruction.rect.left, e.instruction.rect.top))
{
sink->EndFigure (D2D1_FIGURE_END_OPEN);
figureOpen = false;
}
if (!figureOpen)
{
sink->BeginFigure (makeD2DPoint (top), D2D1_FIGURE_BEGIN_FILLED);
figureOpen = true;
}
D2D1_ARC_SEGMENT arc = D2D1::ArcSegment (makeD2DPoint (bottom), D2D1::SizeF ((FLOAT)r.getWidth ()/2.f, (FLOAT)r.getHeight ()/2.f), 180.f, D2D1_SWEEP_DIRECTION_CLOCKWISE, D2D1_ARC_SIZE_SMALL);
sink->AddArc (arc);
arc.point = makeD2DPoint (top);
sink->AddArc (arc);
lastPos = top;
break;
}
case Element::kRect:
{
D2D1_POINT_2F points[4] = {
{(FLOAT)e.instruction.rect.right, (FLOAT)e.instruction.rect.top},
{(FLOAT)e.instruction.rect.right, (FLOAT)e.instruction.rect.bottom},
{(FLOAT)e.instruction.rect.left, (FLOAT)e.instruction.rect.bottom},
{(FLOAT)e.instruction.rect.left, (FLOAT)e.instruction.rect.top}
};
if (figureOpen && lastPos != CPoint (e.instruction.rect.left, e.instruction.rect.top))
{
sink->EndFigure (D2D1_FIGURE_END_OPEN);
figureOpen = false;
}
if (figureOpen == false)
{
sink->BeginFigure (points[3], D2D1_FIGURE_BEGIN_FILLED);
figureOpen = true;
}
sink->AddLine (points[0]);
sink->AddLine (points[1]);
sink->AddLine (points[2]);
sink->AddLine (points[3]);
lastPos = CPoint (e.instruction.rect.left, e.instruction.rect.top);
break;
}
case Element::kLine:
{
if (figureOpen)
{
D2D1_POINT_2F end = {(FLOAT)e.instruction.point.x, (FLOAT)e.instruction.point.y};
sink->AddLine (end);
lastPos = CPoint (e.instruction.point.x, e.instruction.point.y);
}
break;
}
case Element::kBezierCurve:
{
if (figureOpen)
{
D2D1_POINT_2F control1 = {(FLOAT)e.instruction.curve.control1.x, (FLOAT)e.instruction.curve.control1.y};
D2D1_POINT_2F control2 = {(FLOAT)e.instruction.curve.control2.x, (FLOAT)e.instruction.curve.control2.y};
D2D1_POINT_2F end = {(FLOAT)e.instruction.curve.end.x, (FLOAT)e.instruction.curve.end.y};
D2D1_BEZIER_SEGMENT bezier = D2D1::BezierSegment (control1, control2, end);
sink->AddBezier (bezier);
lastPos = CPoint (e.instruction.curve.end.x, e.instruction.curve.end.y);
}
break;
}
case Element::kBeginSubpath:
{
if (figureOpen)
sink->EndFigure (D2D1_FIGURE_END_OPEN);
D2D1_POINT_2F start = {(FLOAT)e.instruction.point.x, (FLOAT)e.instruction.point.y};
sink->BeginFigure (start, D2D1_FIGURE_BEGIN_FILLED);
figureOpen = true;
lastPos = CPoint (e.instruction.point.x, e.instruction.point.y);
break;
}
case Element::kCloseSubpath:
{
if (figureOpen)
{
sink->EndFigure (D2D1_FIGURE_END_CLOSED);
figureOpen = false;
}
break;
}
}
}
if (figureOpen)
sink->EndFigure (D2D1_FIGURE_END_OPEN);
HRESULT res = sink->Close ();
if (!SUCCEEDED (res))
{
path->Release ();
path = 0;
}
sink->Release ();
}
return path;
}
