CGMutablePathRef TIPCGUtilsPartialRoundedBoxCreate( CGRect inRect, float radius, bool lowerRight, bool upperRight, bool upperLeft, bool lowerLeft )
{
CGMutablePathRef roundedBoxRef = CGPathCreateMutable();
if( lowerRight ) {
CGPathMoveToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y + radius);
} else {
CGPathMoveToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y);
}
if( upperRight ) {
CGPathAddLineToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y + inRect.size.height - radius);
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y + inRect.size.height,
inRect.origin.x + radius, inRect.origin.y + inRect.size.height,
radius);
} else {
CGPathAddLineToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y + inRect.size.height);
}
if( upperLeft ) {
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width, inRect.origin.y + inRect.size.height,
inRect.origin.x + inRect.size.width, inRect.origin.y + inRect.size.height - radius,
radius);
} else {
CGPathAddLineToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width, inRect.origin.y + inRect.size.height);
}
if( lowerLeft ) {
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width, inRect.origin.y,
inRect.origin.x + inRect.size.width - radius, inRect.origin.y,
radius);
} else {
CGPathAddLineToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width, inRect.origin.y);
}
if( lowerRight ) {
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x, inRect.origin.y,
inRect.origin.x, inRect.origin.y + radius,
radius);
}
return roundedBoxRef;
}
static void copyClosingSubpathsApplierFunction(void* info, const CGPathElement* element)
{
CGMutablePathRef path = static_cast<CGMutablePathRef>(info);
CGPoint* points = element->points;
switch (element->type) {
case kCGPathElementMoveToPoint:
if (!CGPathIsEmpty(path)) // to silence a warning when trying to close an empty path
CGPathCloseSubpath(path); // This is the only change from CGPathCreateMutableCopy
CGPathMoveToPoint(path, 0, points[0].x, points[0].y);
break;
case kCGPathElementAddLineToPoint:
CGPathAddLineToPoint(path, 0, points[0].x, points[0].y);
break;
case kCGPathElementAddQuadCurveToPoint:
CGPathAddQuadCurveToPoint(path, 0, points[0].x, points[0].y, points[1].x, points[1].y);
break;
case kCGPathElementAddCurveToPoint:
CGPathAddCurveToPoint(path, 0, points[0].x, points[0].y, points[1].x, points[1].y, points[2].x, points[2].y);
break;
case kCGPathElementCloseSubpath:
CGPathCloseSubpath(path);
break;
}
}
CGMutablePathRef TIPCGUtilsRoundedBoxCreate( CGRect inRect, float margin, float radius, float lineWidth )
{
float halfLineWidth = lineWidth/2.0f;
inRect.origin.x += margin;
inRect.origin.y += margin;
inRect.size.width -= 2.0f*margin;
inRect.size.height -= 2.0f*margin;
CGMutablePathRef roundedBoxRef = CGPathCreateMutable();
CGPathMoveToPoint(roundedBoxRef, NULL,
inRect.origin.x + halfLineWidth, inRect.origin.y + halfLineWidth + radius);
CGPathAddLineToPoint(roundedBoxRef, NULL,
inRect.origin.x + halfLineWidth, inRect.origin.y + inRect.size.height - radius - halfLineWidth);
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + halfLineWidth, inRect.origin.y + inRect.size.height - halfLineWidth,
inRect.origin.x + halfLineWidth + radius, inRect.origin.y + inRect.size.height - halfLineWidth,
radius);
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width - halfLineWidth, inRect.origin.y + inRect.size.height - halfLineWidth,
inRect.origin.x + inRect.size.width - halfLineWidth, inRect.origin.y + inRect.size.height - radius - halfLineWidth,
radius);
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + inRect.size.width - halfLineWidth, inRect.origin.y + halfLineWidth,
inRect.origin.x + inRect.size.width - radius - halfLineWidth, inRect.origin.y + halfLineWidth,
radius);
CGPathAddArcToPoint(roundedBoxRef, NULL,
inRect.origin.x + halfLineWidth, inRect.origin.y + halfLineWidth,
inRect.origin.x + halfLineWidth, inRect.origin.y + halfLineWidth + radius,
radius);
return roundedBoxRef;
}
//-----------------------------------------------------------------------------------
static void DoTheTracking(EventRef inEvent, MTViewData* data)
{
MouseTrackingResult mouseResult;
ControlPartCode part;
Point qdPt;
HIPoint where;
// Extract the mouse location (local coordinates!)
GetEventParameter(inEvent, kEventParamMouseLocation, typeHIPoint, NULL, sizeof(HIPoint), NULL, &where);
CGAffineTransform m = CGAffineTransformIdentity;
// Reset the path
if (data->thePath != NULL)
CGPathRelease(data->thePath);
data->thePath = CGPathCreateMutable();
#if CG_COORDINATES
where.y = FlipHIViewYCoordinate(data->theView, where.y);
#endif
CGPathMoveToPoint(data->thePath, &m, where.x, where.y);
// fprintf(stderr, "StartPt: (%g, %g\n", where.x, where.y);
while (true)
{
// Watch the mouse for change: qdPt comes back in global coordinates!
TrackMouseLocation((GrafPtr)(-1), &qdPt, &mouseResult);
// Bail out when the mouse is released
if ( mouseResult == kMouseTrackingMouseReleased )
{
HIViewSetNeedsDisplay(data->theView, true);
break;
}
// Need to convert from global
where = QDGlobalToHIViewLocal(qdPt, data->theView);
#if CG_COORDINATES
where.y = FlipHIViewYCoordinate(data->theView, where.y);
#endif
CGPathAddLineToPoint(data->thePath, &m, where.x, where.y);
// fprintf(stderr, "TrackPt: (%g, %g\n", where.x, where.y);
part = 0;
SetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, sizeof(ControlPartCode), &part);
HIViewSetNeedsDisplay(data->theView, true);
}
// Send back the part upon which the mouse was released
part = kControlEntireControl;
SetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, sizeof(ControlPartCode), &part);
}
void
PathBuilderCG::LineTo(const Point &aPoint)
{
if (!aPoint.IsFinite()) {
return;
}
if (CGPathIsEmpty(mCGPath))
MoveTo(aPoint);
else
CGPathAddLineToPoint(mCGPath, nullptr, aPoint.x, aPoint.y);
}
static void
TranformCGPathApplierFunc(void *vinfo, const CGPathElement *element)
{
TransformApplier *info = reinterpret_cast<TransformApplier*>(vinfo);
switch (element->type) {
case kCGPathElementMoveToPoint:
{
CGPoint pt = element->points[0];
CGPathMoveToPoint(info->path, &info->transform, pt.x, pt.y);
break;
}
case kCGPathElementAddLineToPoint:
{
CGPoint pt = element->points[0];
CGPathAddLineToPoint(info->path, &info->transform, pt.x, pt.y);
break;
}
case kCGPathElementAddQuadCurveToPoint:
{
CGPoint cpt = element->points[0];
CGPoint pt = element->points[1];
CGPathAddQuadCurveToPoint(info->path, &info->transform, cpt.x, cpt.y, pt.x, pt.y);
break;
}
case kCGPathElementAddCurveToPoint:
{
CGPoint cpt1 = element->points[0];
CGPoint cpt2 = element->points[1];
CGPoint pt = element->points[2];
CGPathAddCurveToPoint(info->path, &info->transform, cpt1.x, cpt1.y, cpt2.x, cpt2.y, pt.x, pt.y);
break;
}
case kCGPathElementCloseSubpath:
{
CGPathCloseSubpath(info->path);
break;
}
}
}
static CGPathRef createPathForGlyph(HDC hdc, Glyph glyph)
{
CGMutablePathRef path = CGPathCreateMutable();
static const MAT2 identity = { 0, 1, 0, 0, 0, 0, 0, 1 };
GLYPHMETRICS glyphMetrics;
// GGO_NATIVE matches the outline perfectly when Windows font smoothing is off.
// GGO_NATIVE | GGO_UNHINTED does not match perfectly either when Windows font smoothing is on or off.
DWORD outlineLength = GetGlyphOutline(hdc, glyph, GGO_GLYPH_INDEX | GGO_NATIVE, &glyphMetrics, 0, 0, &identity);
ASSERT(outlineLength >= 0);
if (outlineLength < 0)
return path;
Vector<UInt8> outline(outlineLength);
GetGlyphOutline(hdc, glyph, GGO_GLYPH_INDEX | GGO_NATIVE, &glyphMetrics, outlineLength, outline.data(), &identity);
unsigned offset = 0;
while (offset < outlineLength) {
LPTTPOLYGONHEADER subpath = reinterpret_cast<LPTTPOLYGONHEADER>(outline.data() + offset);
ASSERT(subpath->dwType == TT_POLYGON_TYPE);
if (subpath->dwType != TT_POLYGON_TYPE)
return path;
CGPathMoveToPoint(path, 0, toCGFloat(subpath->pfxStart.x), toCGFloat(subpath->pfxStart.y));
unsigned subpathOffset = sizeof(*subpath);
while (subpathOffset < subpath->cb) {
LPTTPOLYCURVE segment = reinterpret_cast<LPTTPOLYCURVE>(reinterpret_cast<UInt8*>(subpath) + subpathOffset);
switch (segment->wType) {
case TT_PRIM_LINE:
for (unsigned i = 0; i < segment->cpfx; i++)
CGPathAddLineToPoint(path, 0, toCGFloat(segment->apfx[i].x), toCGFloat(segment->apfx[i].y));
break;
case TT_PRIM_QSPLINE:
for (unsigned i = 0; i < segment->cpfx; i++) {
CGFloat x = toCGFloat(segment->apfx[i].x);
CGFloat y = toCGFloat(segment->apfx[i].y);
CGFloat cpx;
CGFloat cpy;
if (i == segment->cpfx - 2) {
cpx = toCGFloat(segment->apfx[i + 1].x);
cpy = toCGFloat(segment->apfx[i + 1].y);
i++;
} else {
cpx = (toCGFloat(segment->apfx[i].x) + toCGFloat(segment->apfx[i + 1].x)) / 2;
cpy = (toCGFloat(segment->apfx[i].y) + toCGFloat(segment->apfx[i + 1].y)) / 2;
}
CGPathAddQuadCurveToPoint(path, 0, x, y, cpx, cpy);
}
break;
case TT_PRIM_CSPLINE:
for (unsigned i = 0; i < segment->cpfx; i += 3) {
CGFloat cp1x = toCGFloat(segment->apfx[i].x);
CGFloat cp1y = toCGFloat(segment->apfx[i].y);
CGFloat cp2x = toCGFloat(segment->apfx[i + 1].x);
CGFloat cp2y = toCGFloat(segment->apfx[i + 1].y);
CGFloat x = toCGFloat(segment->apfx[i + 2].x);
CGFloat y = toCGFloat(segment->apfx[i + 2].y);
CGPathAddCurveToPoint(path, 0, cp1x, cp1y, cp2x, cp2y, x, y);
}
break;
default:
ASSERT_NOT_REACHED();
return path;
}
subpathOffset += sizeof(*segment) + (segment->cpfx - 1) * sizeof(segment->apfx[0]);
}
CGPathCloseSubpath(path);
offset += subpath->cb;
}
return path;
}
void Path::addLineTo(const FloatPoint& p)
{
CGPathAddLineToPoint(m_path, 0, p.x(), p.y());
}
/*
Event handler for the content view that gets attached to the menu frame.
The content view will (eventually) contain the menu view.
*/
OSStatus ContentViewEventHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void *refcon)
{
OSStatus retVal = eventNotHandledErr;
if(GetEventClass(inEvent) == kEventClassMenu) {
return noErr;
} else
if(GetEventClass(inEvent) == kEventClassControl) {
HIViewRef hiSelf = NULL;
verify_noerr(GetEventParameter(inEvent, kEventParamDirectObject, typeControlRef, NULL, sizeof(hiSelf), NULL, &hiSelf));
if(hiSelf) {
HIRect frame;
HIViewGetFrame(hiSelf, &frame);
switch(GetEventKind(inEvent)) {
case kEventControlAddedSubControl : {
HIViewRef subControl;
ControlID subControlID;
GetEventParameter(inEvent, kEventParamControlSubControl, typeControlRef, NULL, sizeof(subControl), NULL, &subControl );
GetControlID(subControl, &subControlID);
// This should be comparing against kHIViewMenuContentID as shown inside the
// #if 0. At the time of this writing, however, using that constant causes a
// linker error (and a crash if you use ZeroLink). I extracted the signature
// and id by determining the value at run-time the value I compare against.
#if 0
if( kHIViewMenuContentID.signature == subControlID.signature && kHIViewMenuContentID.id == subControlID.id ) {
#else
if( 'menu' == subControlID.signature && 0 == subControlID.id ) {
#endif
// If we have the menu content view then set up some view bindings for it.
HIRect bounds;
HIViewGetBounds(hiSelf, &bounds);
HIViewSetFrame(subControl, &bounds);
HILayoutInfo contentLayout = {
kHILayoutInfoVersionZero,
{
{ NULL, kHILayoutBindTop },
{ NULL, kHILayoutBindLeft },
{ NULL, kHILayoutBindBottom },
{ NULL, kHILayoutBindRight }
},
{
{ NULL, kHILayoutScaleAbsolute, 0 },
{ NULL, kHILayoutScaleAbsolute, 0 }
},
{
{ NULL, kHILayoutPositionTop, 0 },
{ NULL, kHILayoutPositionLeft, 0 }
}
};
verify_noerr(HIViewSetLayoutInfo(subControl, &contentLayout));
}
retVal = noErr;
} break;
case kEventControlGetFrameMetrics :
HIViewFrameMetrics metrics;
// The offset from the frame view to the content view is
// given by the kFrameOffset constant
metrics.top = kFrameOffset;
metrics.left = kFrameOffset;
metrics.right = kFrameOffset;
metrics.bottom = kFrameOffset;
verify_noerr(SetEventParameter(inEvent, kEventParamControlFrameMetrics, typeControlFrameMetrics, sizeof(metrics), &metrics));
retVal = noErr;
break;
case kEventControlBoundsChanged :
case kEventControlOwningWindowChanged : {
// Maintain the QuickDraw port by changing its position to
// match that of the content view.
CGrafPtr windowPort = NULL;
WindowRef window = GetControlOwner(hiSelf);
if(window && (windowPort = GetWindowPort(window))) {
CGrafPtr savePort;
bool swapped = QDSwapPort(windowPort, &savePort);
MovePortTo((short) frame.origin.x, (short) frame.origin.y);
PortSize((short) frame.size.width, (short) frame.size.height);
if(swapped) {
QDSwapPort(savePort, NULL);
}
}
retVal = noErr;
} break;
} // switch
} // if (hiSelf)
}
return retVal;
}
/* ------------------------------------------ CreatePathForEntireStarMenu */
/*
Create a path shape for the star frame.
This looks an awful lot like CreatePathForEntireStarMenu in
StarMenu.cpp but takes the radius to use as a parameter and
then takes into account the kFrameOffest when creating the path.
In true Core Foundation style, this is a CreateXXX routine and the
caller is responsible for freeing the path that is returned.
*/
CGPathRef CreatePathForStarFrame(StarFrameData *menuData, float radius)
{
CGMutablePathRef retVal = CGPathCreateMutable();
MenuItemIndex numItems = CountMenuItems(menuData->menu);
if(numItems > 0) {
const CGPoint fullRadiusPoint = { radius, 0 };
const CGPoint halfRadiusPoint = { ((radius - kFrameOffset) / 2.0) + kFrameOffset , 0 };
float anglePerItem = 2 * pi / (float)numItems; // in radians naturally
float halfAngle = anglePerItem / 2.0;
CGPoint startPoint = halfRadiusPoint;
CGAffineTransform midRotate = CGAffineTransformMakeRotation(halfAngle);
CGPoint midPoint = CGPointApplyAffineTransform(fullRadiusPoint, midRotate);
CGAffineTransform rotateToNext = CGAffineTransformMakeRotation(anglePerItem);
CGPathMoveToPoint(retVal, NULL, startPoint.x, startPoint.y);
CGPathAddLineToPoint(retVal, NULL, midPoint.x, midPoint.y);
for(short ctr = 0; ctr < numItems; ctr++) {
startPoint = CGPointApplyAffineTransform(startPoint, rotateToNext);
midPoint = CGPointApplyAffineTransform(midPoint, rotateToNext);
CGPathAddLineToPoint(retVal, NULL, startPoint.x, startPoint.y);
CGPathAddLineToPoint(retVal, NULL, midPoint.x, midPoint.y);
}
CGPathCloseSubpath(retVal);
}
return retVal;
}
void Path::addLineTo(const FloatPoint& p)
{
CGPathAddLineToPoint(ensurePlatformPath(), 0, p.x(), p.y());
}