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#include <Carbon/Carbon.h>
#include <tataki/region/region.h>
#include <tataki/bitmap/bitmap.h>
RegionI::RegionI() : rgn(0)
{
}
RegionI::RegionI(const RECT *r) : rgn(0)
{
setRect(r);
}
RegionI::RegionI(HIMutableShapeRef _rgn) : rgn(_rgn)
{
}
RegionI::RegionI(HIShapeRef _rgn)
{
rgn=HIShapeCreateMutableCopy(_rgn);
}
RegionI::~RegionI()
{
if (rgn)
CFRelease(rgn);
}
RegionI::RegionI(RgnHandle qdrgn)
{
HIShapeRef shape = HIShapeCreateWithQDRgn(qdrgn);
rgn = HIShapeCreateMutableCopy(shape);
CFRelease(shape);
}
RegionI::RegionI(SkinBitmap *bitmap)
{
// TODO: we need to find a much better way to do this
RECT r;
r.left=0;
r.top=0;
r.right=bitmap->getWidth();
r.bottom=bitmap->getHeight();
setRect(&r);
}
OSREGIONHANDLE RegionI::getOSHandle()
{
if (!rgn)
rgn = HIShapeCreateMutable();
return rgn;
}
api_region *RegionI::clone()
{
if (!rgn)
return new RegionI();
else
return new RegionI(HIShapeCreateMutableCopy(rgn));
}
void RegionI::disposeClone(api_region *r)
{
if (r) // yes we need to check for NULL here because r != static_cast<>(r)
delete static_cast<RegionI *>(r);
}
bool RegionI::ptInRegion(const POINT *pt)
{
if (!rgn)
return false;
HIPoint hipt = HIPointFromPOINT(pt);
return !!HIShapeContainsPoint(rgn, &hipt);
}
void RegionI::offset(int x, int y)
{
if (!rgn)
rgn = HIShapeCreateMutable();
HIShapeOffset(rgn, x, y);
}
void RegionI::getBox(RECT *r)
{
if (!rgn) // TODO: we could manually set r to 0,0,0,0
rgn = HIShapeCreateMutable();
HIRect rect;
HIShapeGetBounds(rgn, &rect);
*r = RECTFromHIRect(&rect);
}
void RegionI::subtractRegion(const api_region *r)
{
if (rgn)
{
api_region *reg = const_cast<api_region *>(r);
HIShapeRef sub = reg->getOSHandle();
HIShapeDifference(rgn,sub, rgn);
}
}
void RegionI::subtractRect(const RECT *r)
{
if (rgn)
{
HIRect rect = HIRectFromRECT(r);
HIShapeRef sub = HIShapeCreateWithRect(&rect);
HIShapeDifference(rgn, sub, rgn);
}
}
void RegionI::addRect(const RECT *r)
{
if (!rgn)
rgn = HIShapeCreateMutable();
HIRect rect = HIRectFromRECT(r);
HIShapeRef add = HIShapeCreateWithRect(&rect);
HIShapeUnion(rgn, add, rgn);
}
void RegionI::addRegion(const api_region *r)
{
if (!rgn)
rgn = HIShapeCreateMutable();
api_region *reg = const_cast<api_region *>(r);
HIShapeRef add = reg->getOSHandle();
HIShapeUnion(rgn, add, rgn);
}
void RegionI::andRegion(const api_region *r)
{
if (rgn) // intersection with empty region will always be empty
{
api_region *reg = const_cast<api_region *>(r);
HIShapeRef intersection = reg->getOSHandle();
HIShapeIntersect(rgn, intersection, rgn);
}
}
void RegionI::setRect(const RECT *r)
{
if (rgn)
CFRelease(rgn);
HIRect rect = HIRectFromRECT(r);
HIShapeRef rectRgn = HIShapeCreateWithRect(&rect);
rgn = HIShapeCreateMutableCopy(rectRgn);
CFRelease(rectRgn);
}
void RegionI::empty()
{
if (rgn)
CFRelease(rgn);
rgn=0;
}
int RegionI::isEmpty()
{
if (!rgn)
return 1;
return !!HIShapeIsEmpty(rgn);
}
int RegionI::isRect()
{
if (!rgn)
return 1;
return !!HIShapeIsRectangular(rgn);
}
int RegionI::intersectRgn(const api_region *r, api_region *intersection)
{
intersection->empty();
intersection->addRegion(this);
intersection->andRegion(r);
return !intersection->isEmpty();
}
int RegionI::intersectRect(const RECT *r, api_region *intersection)
{
intersection->setRect(r);
intersection->andRegion(this);
return !intersection->isEmpty();
}
#define CBCLASS RegionI
START_DISPATCH;
CB(REGION_GETOSHANDLE, getOSHandle);
CB(REGION_CLONE, clone);
VCB(REGION_DISPOSECLONE, disposeClone);
CB(REGION_PTINREGION, ptInRegion);
VCB(REGION_OFFSET, offset);
VCB(REGION_GETBOX, getBox);
VCB(REGION_SUBTRACTRGN, subtractRegion);
VCB(REGION_SUBTRACTRECT, subtractRect);
VCB(REGION_ADDRECT, addRect);
VCB(REGION_ADD, addRegion);
VCB(REGION_AND, andRegion);
VCB(REGION_SETRECT, setRect);
VCB(REGION_EMPTY, empty);
CB(REGION_ISEMPTY, isEmpty);
CB(REGION_ISRECT, isRect);
CB(REGION_INTERSECTRGN, intersectRgn);
CB(REGION_INTERSECTRECT, intersectRect);
END_DISPATCH;
#undef CBCLASS
#define CBCLASS RegionServerI
START_DISPATCH;
VCB(REGIONSERVER_ADDREF, addRef);
VCB(REGIONSERVER_DELREF, delRef);
CB(REGIONSERVER_GETREGION, getRegion);
END_DISPATCH;
#undef CBCLASS
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