void applyVerticalHintingTransform (float fontSize, Path& path)
{
if (cachedSize != fontSize)
{
cachedSize = fontSize;
cachedScale = Scaling (top, middle, bottom, fontSize);
}
if (bottom < top + 3.0f / fontSize)
return;
Path result;
for (Path::Iterator i (path); i.next();)
{
switch (i.elementType)
{
case Path::Iterator::startNewSubPath: result.startNewSubPath (i.x1, cachedScale.apply (i.y1)); break;
case Path::Iterator::lineTo: result.lineTo (i.x1, cachedScale.apply (i.y1)); break;
case Path::Iterator::quadraticTo: result.quadraticTo (i.x1, cachedScale.apply (i.y1),
i.x2, cachedScale.apply (i.y2)); break;
case Path::Iterator::cubicTo: result.cubicTo (i.x1, cachedScale.apply (i.y1),
i.x2, cachedScale.apply (i.y2),
i.x3, cachedScale.apply (i.y3)); break;
case Path::Iterator::closePath: result.closeSubPath(); break;
default: jassertfalse; break;
}
}
result.swapWithPath (path);
}
void PaintElementPath::setToPath (const Path& newPath)
{
points.clear();
Path::Iterator i (newPath);
while (i.next())
{
ScopedPointer<PathPoint> p (new PathPoint (this));
p->type = i.elementType;
if (i.elementType == Path::Iterator::startNewSubPath)
{
p->pos [0].rect.setX (i.x1);
p->pos [0].rect.setY (i.y1);
}
else if (i.elementType == Path::Iterator::lineTo)
{
p->pos [0].rect.setX (i.x1);
p->pos [0].rect.setY (i.y1);
}
else if (i.elementType == Path::Iterator::quadraticTo)
{
p->pos [0].rect.setX (i.x1);
p->pos [0].rect.setY (i.y1);
p->pos [1].rect.setX (i.x2);
p->pos [1].rect.setY (i.y2);
}
else if (i.elementType == Path::Iterator::cubicTo)
{
p->pos [0].rect.setX (i.x1);
p->pos [0].rect.setY (i.y1);
p->pos [1].rect.setX (i.x2);
p->pos [1].rect.setY (i.y2);
p->pos [2].rect.setX (i.x3);
p->pos [2].rect.setY (i.y3);
}
else if (i.elementType == Path::Iterator::closePath)
{
}
else
{
continue;
}
points.add (p.release());
}
}
RelativePointPath::RelativePointPath (const Path& path)
: usesNonZeroWinding (path.isUsingNonZeroWinding()),
containsDynamicPoints (false)
{
for (Path::Iterator i (path); i.next();)
{
switch (i.elementType)
{
case Path::Iterator::startNewSubPath: elements.add (new StartSubPath (RelativePoint (i.x1, i.y1))); break;
case Path::Iterator::lineTo: elements.add (new LineTo (RelativePoint (i.x1, i.y1))); break;
case Path::Iterator::quadraticTo: elements.add (new QuadraticTo (RelativePoint (i.x1, i.y1), RelativePoint (i.x2, i.y2))); break;
case Path::Iterator::cubicTo: elements.add (new CubicTo (RelativePoint (i.x1, i.y1), RelativePoint (i.x2, i.y2), RelativePoint (i.x3, i.y3))); break;
case Path::Iterator::closePath: elements.add (new CloseSubPath()); break;
default: jassertfalse; break;
}
}
}
void LowLevelGraphicsPostScriptRenderer::writePath (const Path& path) const
{
out << "newpath ";
float lastX = 0.0f;
float lastY = 0.0f;
int itemsOnLine = 0;
Path::Iterator i (path);
while (i.next())
{
if (++itemsOnLine == 4)
{
itemsOnLine = 0;
out << '\n';
}
switch (i.elementType)
{
case Path::Iterator::startNewSubPath:
writeXY (i.x1, i.y1);
lastX = i.x1;
lastY = i.y1;
out << "m ";
break;
case Path::Iterator::lineTo:
writeXY (i.x1, i.y1);
lastX = i.x1;
lastY = i.y1;
out << "l ";
break;
case Path::Iterator::quadraticTo:
{
const float cp1x = lastX + (i.x1 - lastX) * 2.0f / 3.0f;
const float cp1y = lastY + (i.y1 - lastY) * 2.0f / 3.0f;
const float cp2x = cp1x + (i.x2 - lastX) / 3.0f;
const float cp2y = cp1y + (i.y2 - lastY) / 3.0f;
writeXY (cp1x, cp1y);
writeXY (cp2x, cp2y);
writeXY (i.x2, i.y2);
out << "ct ";
lastX = i.x2;
lastY = i.y2;
}
break;
case Path::Iterator::cubicTo:
writeXY (i.x1, i.y1);
writeXY (i.x2, i.y2);
writeXY (i.x3, i.y3);
out << "ct ";
lastX = i.x3;
lastY = i.y3;
break;
case Path::Iterator::closePath:
out << "cp ";
break;
default:
jassertfalse;
break;
}
}
out << '\n';
}
void Direct2DLowLevelGraphicsContext::pathToGeometrySink (const Path& path, ID2D1GeometrySink* sink, const AffineTransform& transform)
{
Path::Iterator it (path);
while (it.next())
{
switch (it.elementType)
{
case Path::Iterator::cubicTo:
{
D2D1_BEZIER_SEGMENT seg;
transform.transformPoint (it.x1, it.y1);
seg.point1 = D2D1::Point2F (it.x1, it.y1);
transform.transformPoint (it.x2, it.y2);
seg.point2 = D2D1::Point2F (it.x2, it.y2);
transform.transformPoint(it.x3, it.y3);
seg.point3 = D2D1::Point2F (it.x3, it.y3);
sink->AddBezier (seg);
break;
}
case Path::Iterator::lineTo:
{
transform.transformPoint (it.x1, it.y1);
sink->AddLine (D2D1::Point2F (it.x1, it.y1));
break;
}
case Path::Iterator::quadraticTo:
{
D2D1_QUADRATIC_BEZIER_SEGMENT seg;
transform.transformPoint (it.x1, it.y1);
seg.point1 = D2D1::Point2F (it.x1, it.y1);
transform.transformPoint (it.x2, it.y2);
seg.point2 = D2D1::Point2F (it.x2, it.y2);
sink->AddQuadraticBezier (seg);
break;
}
case Path::Iterator::closePath:
{
sink->EndFigure (D2D1_FIGURE_END_CLOSED);
break;
}
case Path::Iterator::startNewSubPath:
{
transform.transformPoint (it.x1, it.y1);
sink->BeginFigure (D2D1::Point2F (it.x1, it.y1), D2D1_FIGURE_BEGIN_FILLED);
break;
}
}
}
}