// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "region.h"
-#endif
-
#include "wx/wxprec.h"
#include "wx/region.h"
// wxRegionRefData implementation
//-----------------------------------------------------------------------------
-class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
+class WXDLLEXPORT wxRegionRefData : public wxGDIRefData
+{
public:
wxRegionRefData()
- {
- m_macRgn = NewRgn() ;
- }
+ { m_macRgn = NewRgn(); }
wxRegionRefData(const wxRegionRefData& data)
: wxGDIRefData()
{
- m_macRgn = NewRgn() ;
- CopyRgn( data.m_macRgn , m_macRgn ) ;
+ m_macRgn = NewRgn();
+ CopyRgn( data.m_macRgn , m_macRgn );
}
~wxRegionRefData()
- {
- DisposeRgn( m_macRgn ) ;
- }
- RgnHandle m_macRgn ;
+ { DisposeRgn( m_macRgn ); }
+
+ RgnHandle m_macRgn;
};
#define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
wxRegion::wxRegion(long x, long y, long w, long h)
{
m_refData = new wxRegionRefData;
- SetRectRgn( (RgnHandle) M_REGION , x , y , x+w , y+h ) ;
+ SetRectRgn( (RgnHandle) M_REGION , x , y , x + w , y + h ) ;
}
wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
wxRegion::wxRegion(const wxRect& rect)
{
m_refData = new wxRegionRefData;
- SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
+ SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x + rect.width , rect.y + rect.height ) ;
}
wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
// OS X somehow does not collect the region invisibly as before, so sometimes things
// get drawn on screen instead of just being combined into a region, therefore we allocate a temp gworld now
-
- GWorldPtr gWorld = NULL;
- GWorldPtr oldWorld;
- GDHandle oldGDHandle;
- OSStatus err ;
- Rect destRect = {0,0,1,1};
-
+
+ GWorldPtr gWorld = NULL;
+ GWorldPtr oldWorld;
+ GDHandle oldGDHandle;
+ OSStatus err;
+ Rect destRect = { 0, 0, 1, 1 };
+
::GetGWorld( &oldWorld, &oldGDHandle );
- err = ::NewGWorld( &gWorld, 32, &destRect, nil, nil, 0 );
+ err = ::NewGWorld( &gWorld, 32, &destRect, NULL, NULL, 0 );
if ( err == noErr )
{
::SetGWorld( gWorld, GetGDevice() );
-
+
OpenRgn();
wxCoord x1, x2 , y1 , y2 ;
x2 = x1 = points[0].x ;
y2 = y1 = points[0].y ;
- ::MoveTo(x1,y1);
+
+ ::MoveTo( x1, y1 );
for (size_t i = 1; i < n; i++)
{
x2 = points[i].x ;
y2 = points[i].y ;
- ::LineTo(x2, y2);
+ ::LineTo( x2, y2 );
}
+
// close the polyline if necessary
if ( x1 != x2 || y1 != y2 )
- {
- ::LineTo(x1,y1 ) ;
- }
+ ::LineTo( x1, y1 ) ;
+
CloseRgn( M_REGION ) ;
+
::SetGWorld( oldWorld, oldGDHandle );
}
}
-/*!
- * Destroy the region.
- */
wxRegion::~wxRegion()
{
// m_refData unrefed in ~wxObject
wxCHECK_MSG( M_REGION, false, _T("invalid wxRegion") );
if ( !x && !y )
- {
// nothing to do
return true;
- }
OffsetRgn( M_REGION , x , y ) ;
+
return true ;
}
bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
{
// Don't change shared data
- if (!m_refData)
+ if (!m_refData)
{
m_refData = new wxRegionRefData();
- }
- else if (m_refData->GetRefCount() > 1)
+ }
+ else if (m_refData->GetRefCount() > 1)
{
wxRegionRefData* ref = (wxRegionRefData*)m_refData;
UnRef();
- m_refData = new wxRegionRefData(*ref);
+ m_refData = new wxRegionRefData( *ref );
}
+
RgnHandle rgn = NewRgn() ;
- SetRectRgn( rgn , x , y, x+width,y + height ) ;
-
+ SetRectRgn( rgn , x , y, x + width, y + height ) ;
+
switch (op)
{
case wxRGN_AND:
SectRgn( M_REGION , rgn , M_REGION ) ;
break ;
+
case wxRGN_OR:
UnionRgn( M_REGION , rgn , M_REGION ) ;
break ;
+
case wxRGN_XOR:
XorRgn( M_REGION , rgn , M_REGION ) ;
break ;
+
case wxRGN_DIFF:
DiffRgn( M_REGION , rgn , M_REGION ) ;
break ;
+
case wxRGN_COPY:
default:
- CopyRgn( rgn ,M_REGION ) ;
+ CopyRgn( rgn , M_REGION ) ;
break ;
}
- DisposeRgn( rgn ) ;
+ DisposeRgn( rgn ) ;
- return TRUE;
+ return true;
}
//! Union /e region with this.
bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
{
if (region.Empty())
- return FALSE;
+ return false;
// Don't change shared data
- if (!m_refData) {
+ if (!m_refData)
+ {
m_refData = new wxRegionRefData();
- }
- else if (m_refData->GetRefCount() > 1)
+ }
+ else if (m_refData->GetRefCount() > 1)
{
wxRegionRefData* ref = (wxRegionRefData*)m_refData;
UnRef();
case wxRGN_AND:
SectRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
break ;
+
case wxRGN_OR:
UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
break ;
+
case wxRGN_XOR:
XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
break ;
+
case wxRGN_DIFF:
DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
break ;
+
case wxRGN_COPY:
default:
- CopyRgn( OTHER_M_REGION(region) ,M_REGION ) ;
+ CopyRgn( OTHER_M_REGION(region) , M_REGION ) ;
break ;
}
- return TRUE;
+ return true;
}
bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
// Outer bounds of region
void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
{
- if (m_refData)
+ if (m_refData)
{
Rect box ;
GetRegionBounds( M_REGION , &box ) ;
y = box.top ;
w = box.right - box.left ;
h = box.bottom - box.top ;
- }
- else
+ }
+ else
{
x = y = w = h = 0;
}
{
wxCoord x, y, w, h;
GetBox(x, y, w, h);
+
return wxRect(x, y, w, h);
}
return wxOutRegion;
// TODO. Return wxInRegion if within region.
- if (0)
- return wxInRegion;
+// if (0)
+// return wxInRegion;
+
return wxOutRegion;
}
-// Does the region contain the point pt?
+// Does the region contain the point?
wxRegionContain wxRegion::Contains(const wxPoint& pt) const
{
if (!m_refData)
Point p = { pt.y , pt.x } ;
if (PtInRgn( p , M_REGION ) )
return wxInRegion;
-
+
return wxOutRegion;
}
return wxOutRegion;
long x, y, w, h;
+
x = rect.x;
y = rect.y;
w = rect.GetWidth();
h = rect.GetHeight();
+
return Contains(x, y, w, h);
}
wxRegionIterator::~wxRegionIterator()
{
- if (m_rects) {
- delete[] m_rects;
+ if (m_rects)
+ {
+ delete [] m_rects;
m_rects = NULL;
}
}
{
m_current = iterator.m_current;
SetRects(iterator.m_numRects, iterator.m_rects);
+
return *this;
}
*/
void wxRegionIterator::SetRects(long numRects, wxRect *rects)
{
- if (m_rects) {
- delete[] m_rects;
+ if (m_rects)
+ {
+ delete [] m_rects;
m_rects = NULL;
}
- if (rects)
+
+ if (rects && (numRects > 0))
{
int i;
+
m_rects = new wxRect[numRects];
for (i = 0; i < numRects; i++)
m_rects[i] = rects[i];
}
+
m_numRects = numRects;
}
/*!
* Reset iterator for a new /e region.
*/
-
-OSStatus wxMacRegionToRectsCounterCallback (
- UInt16 message, RgnHandle region, const Rect *rect, void *data)
+
+OSStatus wxMacRegionToRectsCounterCallback(
+ UInt16 message, RgnHandle region, const Rect *rect, void *data )
{
long *m_numRects = (long*) data ;
if ( message == kQDRegionToRectsMsgInit )
{
(*m_numRects) += 1 ;
}
+
return noErr;
}
-
-class RegionToRectsCallbackData
+
+class RegionToRectsCallbackData
{
public :
wxRect* m_rects ;
long m_current ;
-} ;
+};
-OSStatus wxMacRegionToRectsSetterCallback (
- UInt16 message, RgnHandle region, const Rect *rect, void *data)
+OSStatus wxMacRegionToRectsSetterCallback(
+ UInt16 message, RgnHandle region, const Rect *rect, void *data )
{
if (message == kQDRegionToRectsMsgParse)
{
RegionToRectsCallbackData *cb = (RegionToRectsCallbackData*) data ;
cb->m_rects[cb->m_current++] = wxRect( rect->left , rect->top , rect->right - rect->left , rect->bottom - rect->top ) ;
}
+
return noErr;
}
m_current = 0;
m_region = region;
- if (m_rects) {
- delete[] m_rects;
+ if (m_rects)
+ {
+ delete [] m_rects;
m_rects = NULL;
}
if (m_region.Empty())
+ {
m_numRects = 0;
+ }
else
{
- RegionToRectsUPP proc = NewRegionToRectsUPP (wxMacRegionToRectsCounterCallback);
+ RegionToRectsUPP proc = NewRegionToRectsUPP( wxMacRegionToRectsCounterCallback );
OSStatus err = noErr;
- err = QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&m_numRects);
- if (err == noErr)
+ err = QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&m_numRects);
+ if (err == noErr)
{
DisposeRegionToRectsUPP (proc);
proc = NewRegionToRectsUPP (wxMacRegionToRectsSetterCallback);
RegionToRectsCallbackData data ;
data.m_rects = m_rects ;
data.m_current = 0 ;
- QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&data);
+ QDRegionToRects( OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&data );
}
- else
+ else
{
- m_numRects = 0 ;
+ m_numRects = 0;
}
- DisposeRegionToRectsUPP (proc);
+
+ DisposeRegionToRectsUPP( proc );
}
}
{
if (m_current < m_numRects)
++m_current;
+
return *this;
}
{
if (m_current < m_numRects)
return m_rects[m_current].x;
+
return 0;
}
{
if (m_current < m_numRects)
return m_rects[m_current].y;
+
return 0;
}
{
if (m_current < m_numRects)
return m_rects[m_current].width ;
+
return 0;
}
{
if (m_current < m_numRects)
return m_rects[m_current].height;
+
return 0;
}
projects / wxWidgets.git / blobdiff