//-----------------------------------------------------------------------------
void D2DDrawContext::fillLinearGradient (CGraphicsPath* _path, const CGradient& gradient, const CPoint& startPoint, const CPoint& endPoint, bool evenOdd, CGraphicsTransform* t)
{
if (renderTarget == 0)
return;
D2DGraphicsPath* d2dPath = dynamic_cast<D2DGraphicsPath*> (_path);
if (d2dPath == 0)
return;
ID2D1PathGeometry* path = d2dPath->getPath (evenOdd ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
if (path)
{
D2DApplyClip ac (this);
ID2D1Geometry* geometry = 0;
if (t)
{
ID2D1TransformedGeometry* tg = 0;
D2D1_MATRIX_3X2_F matrix;
matrix._11 = (FLOAT)t->m11;
matrix._12 = (FLOAT)t->m12;
matrix._21 = (FLOAT)t->m21;
matrix._22 = (FLOAT)t->m22;
matrix._31 = (FLOAT)t->dx;
matrix._32 = (FLOAT)t->dy;
getD2DFactory ()->CreateTransformedGeometry (path, matrix, &tg);
geometry = tg;
}
else
{
geometry = path;
geometry->AddRef ();
}
ID2D1GradientStopCollection* collection = 0;
D2D1_GRADIENT_STOP gradientStops[2];
gradientStops[0].position = (FLOAT)gradient.getColor1Start ();
gradientStops[1].position = (FLOAT)gradient.getColor2Start ();
gradientStops[0].color = D2D1::ColorF (gradient.getColor1 ().red/255.f, gradient.getColor1 ().green/255.f, gradient.getColor1 ().blue/255.f, gradient.getColor1 ().alpha/255.f * currentState.globalAlpha);
gradientStops[1].color = D2D1::ColorF (gradient.getColor2 ().red/255.f, gradient.getColor2 ().green/255.f, gradient.getColor2 ().blue/255.f, gradient.getColor2 ().alpha/255.f * currentState.globalAlpha);
if (SUCCEEDED (getRenderTarget ()->CreateGradientStopCollection (gradientStops, 2, &collection)))
{
ID2D1LinearGradientBrush* brush = 0;
D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES properties;
properties.startPoint = makeD2DPoint (startPoint);
properties.endPoint = makeD2DPoint (endPoint);
if (SUCCEEDED (getRenderTarget ()->CreateLinearGradientBrush (properties, collection, &brush)))
{
getRenderTarget ()->SetTransform (D2D1::Matrix3x2F::Translation ((FLOAT)getOffset ().x, (FLOAT)getOffset ().y));
getRenderTarget ()->FillGeometry (geometry, brush);
getRenderTarget ()->SetTransform (D2D1::Matrix3x2F::Identity ());
brush->Release ();
}
collection->Release ();
}
geometry->Release ();
}
}
//-----------------------------------------------------------------------------
void D2DDrawContext::fillLinearGradient (CGraphicsPath* _path, const CGradient& gradient, const CPoint& startPoint, const CPoint& endPoint, bool evenOdd, CGraphicsTransform* t)
{
if (renderTarget == 0)
return;
bool halfPointOffset = currentState.drawMode.integralMode () ? ((((int32_t)currentState.frameWidth) % 2) != 0) : false;
D2DApplyClip ac (this, halfPointOffset);
if (ac.isEmpty ())
return;
D2DGraphicsPath* d2dPath = dynamic_cast<D2DGraphicsPath*> (_path);
if (d2dPath == 0)
return;
ID2D1Geometry* path = d2dPath->createPath (evenOdd ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING, this, t);
if (path)
{
ID2D1GradientStopCollection* collection = createGradientStopCollection (gradient);
if (collection)
{
ID2D1LinearGradientBrush* brush = 0;
D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES properties;
properties.startPoint = makeD2DPoint (startPoint);
properties.endPoint = makeD2DPoint (endPoint);
if (SUCCEEDED (getRenderTarget ()->CreateLinearGradientBrush (properties, collection, &brush)))
{
getRenderTarget ()->FillGeometry (path, brush);
brush->Release ();
}
collection->Release ();
}
path->Release ();
}
}
//-----------------------------------------------------------------------------
void D2DDrawContext::fillRadialGradient (CGraphicsPath* _path, const CGradient& gradient, const CPoint& center, CCoord radius, const CPoint& originOffset, bool evenOdd, CGraphicsTransform* t)
{
if (renderTarget == 0)
return;
D2DApplyClip ac (this);
if (ac.isEmpty ())
return;
D2DGraphicsPath* d2dPath = dynamic_cast<D2DGraphicsPath*> (_path);
if (d2dPath == 0)
return;
ID2D1Geometry* path = d2dPath->createPath (evenOdd ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
if (path)
{
ID2D1Geometry* geometry = 0;
if (t)
{
ID2D1TransformedGeometry* tg = 0;
getD2DFactory ()->CreateTransformedGeometry (path, convert (*t), &tg);
geometry = tg;
}
else
{
geometry = path;
geometry->AddRef ();
}
ID2D1GradientStopCollection* collection = createGradientStopCollection (gradient);
if (collection)
{
// brush properties
ID2D1RadialGradientBrush* brush = 0;
D2D1_RADIAL_GRADIENT_BRUSH_PROPERTIES properties;
properties.center = makeD2DPoint (center);
properties.gradientOriginOffset = makeD2DPoint (originOffset);
properties.radiusX = (FLOAT)radius;
properties.radiusY = (FLOAT)radius;
if (SUCCEEDED (getRenderTarget ()->CreateRadialGradientBrush (properties, collection, &brush)))
{
getRenderTarget ()->FillGeometry (geometry, brush);
brush->Release ();
}
collection->Release ();
}
geometry->Release ();
path->Release ();
}
}
//-----------------------------------------------------------------------------
void D2DDrawContext::drawEllipse (const CRect &_rect, const CDrawStyle drawStyle)
{
if (renderTarget == 0)
return;
D2DApplyClip ac (this);
if (ac.isEmpty ())
return;
CRect rect (_rect);
if (currentState.drawMode.integralMode ())
pixelAllign (rect);
CPoint center (rect.getTopLeft ());
center.offset (rect.getWidth () / 2., rect.getHeight () / 2.);
D2D1_ELLIPSE ellipse;
ellipse.point = makeD2DPoint (center);
ellipse.radiusX = (FLOAT)(rect.getWidth () / 2.);
ellipse.radiusY = (FLOAT)(rect.getHeight () / 2.);
if (drawStyle == kDrawFilled || drawStyle == kDrawFilledAndStroked)
{
renderTarget->FillEllipse (ellipse, fillBrush);
}
if (drawStyle == kDrawStroked || drawStyle == kDrawFilledAndStroked)
{
renderTarget->DrawEllipse (ellipse, strokeBrush, (FLOAT)currentState.frameWidth, strokeStyle);
}
}
//-----------------------------------------------------------------------------
void D2DDrawContext::lineTo (const CPoint &point)
{
CPoint penLocation (currentState.penLoc);
CPoint p (point);
p.offset (currentState.offset.x, currentState.offset.y);
if (currentState.drawMode.integralMode ())
{
p.makeIntegral ();
penLocation.makeIntegral ();
}
if (renderTarget)
{
D2DApplyClip clip (this);
if ((((int32_t)currentState.frameWidth) % 2))
renderTarget->SetTransform (D2D1::Matrix3x2F::Translation (0.5f, 0.5f));
renderTarget->DrawLine (makeD2DPoint (penLocation), makeD2DPoint (p), strokeBrush, (FLOAT)currentState.frameWidth, strokeStyle);
renderTarget->SetTransform (D2D1::Matrix3x2F::Identity ());
}
currentState.penLoc = p;
}
//-----------------------------------------------------------------------------
void D2DDrawContext::drawLine (const LinePair& line)
{
if (renderTarget == 0)
return;
D2DApplyClip ac (this, (((int32_t)currentState.frameWidth) % 2) != 0);
if (ac.isEmpty ())
return;
if (renderTarget)
{
CPoint start (line.first);
CPoint end (line.second);
if (currentState.drawMode.integralMode ())
{
pixelAllign (start);
pixelAllign (end);
}
renderTarget->DrawLine (makeD2DPoint (start), makeD2DPoint (end), strokeBrush, (FLOAT)currentState.frameWidth, strokeStyle);
}
}
//-----------------------------------------------------------------------------
bool D2DGraphicsPath::hitTest (const CPoint& p, bool evenOddFilled, CGraphicsTransform* transform)
{
ID2D1PathGeometry* _path = getPath (evenOddFilled ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
if (_path)
{
D2D1::Matrix3x2F matrix = D2D1::Matrix3x2F::Identity ();
if (transform)
{
matrix._11 = (FLOAT)transform->m11;
matrix._12 = (FLOAT)transform->m12;
matrix._21 = (FLOAT)transform->m21;
matrix._22 = (FLOAT)transform->m22;
matrix._31 = (FLOAT)transform->dx;
matrix._32 = (FLOAT)transform->dy;
}
BOOL result;
if (SUCCEEDED (_path->FillContainsPoint (makeD2DPoint (p), matrix, &result)))
{
return result ? true : false;
}
}
return false;
}
//-----------------------------------------------------------------------------
void D2DDrawContext::drawEllipse (const CRect &_rect, const CDrawStyle drawStyle)
{
if (renderTarget)
{
CRect rect (_rect);
rect.offset (currentState.offset.x, currentState.offset.y);
rect.normalize ();
D2DApplyClip clip (this);
CPoint center (rect.getTopLeft ());
center.offset (rect.getWidth () / 2., rect.getHeight () / 2.);
D2D1_ELLIPSE ellipse;
ellipse.point = makeD2DPoint (center);
ellipse.radiusX = (FLOAT)(rect.getWidth () / 2.);
ellipse.radiusY = (FLOAT)(rect.getHeight () / 2.);
if (drawStyle == kDrawFilled || drawStyle == kDrawFilledAndStroked)
{
renderTarget->FillEllipse (ellipse, fillBrush);
}
if (drawStyle == kDrawStroked || drawStyle == kDrawFilledAndStroked)
{
renderTarget->DrawEllipse (ellipse, strokeBrush, (FLOAT)currentState.frameWidth, strokeStyle);
}
}
}
//-----------------------------------------------------------------------------
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;
}
