Initial community commit

Src/tataki/region/mac/osx_region_hishape.cpp

@@ -0,0 +1,217 @@
+#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