X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e7600a2cabbc4d91dd53d842324eea6f5bfe3fe6..f418332658bb166101c228e0ed8208787fccbf59:/src/mac/carbon/region.cpp diff --git a/src/mac/carbon/region.cpp b/src/mac/carbon/region.cpp index 16d033004c..1f26fe1575 100644 --- a/src/mac/carbon/region.cpp +++ b/src/mac/carbon/region.cpp @@ -1,49 +1,47 @@ ///////////////////////////////////////////////////////////////////////////// -// File: region.cpp +// File: src/mac/carbon/region.cpp // Purpose: Region class -// Author: Markus Holzem/Julian Smart/AUTHOR +// Author: Stefan Csomor // Created: Fri Oct 24 10:46:34 MET 1997 -// RCS-ID: $Id$ -// Copyright: (c) 1997 Markus Holzem/Julian Smart/AUTHOR +// RCS-ID: $Id$ +// Copyright: (c) 1997 Stefan Csomor // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "region.h" -#endif +#include "wx/wxprec.h" #include "wx/region.h" -#include "wx/gdicmn.h" -#include "wx/mac/uma.h" -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) - IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) +#ifndef WX_PRECOMP + #include "wx/gdicmn.h" #endif +#include "wx/mac/uma.h" + +IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) +IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) + //----------------------------------------------------------------------------- // 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 ; + virtual ~wxRegionRefData() + { DisposeRgn( m_macRgn ); } + + RgnHandle m_macRgn; }; #define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn) @@ -70,7 +68,7 @@ wxRegion::wxRegion(WXHRGN hRegion ) 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) @@ -82,12 +80,52 @@ 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)) +{ + m_refData = new wxRegionRefData; + + // 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 }; + + ::GetGWorld( &oldWorld, &oldGDHandle ); + 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 ); + for (size_t i = 1; i < n; i++) + { + x2 = points[i].x ; + y2 = points[i].y ; + ::LineTo( x2, y2 ); + } + + // close the polyline if necessary + if ( x1 != x2 || y1 != y2 ) + ::LineTo( x1, y1 ) ; + + CloseRgn( M_REGION ) ; + + ::SetGWorld( oldWorld, oldGDHandle ); + } } -/*! - * Destroy the region. - */ wxRegion::~wxRegion() { // m_refData unrefed in ~wxObject @@ -103,86 +141,111 @@ void wxRegion::Clear() UnRef(); } +// Move the region +bool wxRegion::Offset(wxCoord x, wxCoord y) +{ + wxCHECK_MSG( M_REGION, false, _T("invalid wxRegion") ); + + if ( !x && !y ) + // nothing to do + return true; + + OffsetRgn( M_REGION , x , y ) ; + + return true ; +} + + //! Combine rectangle (x, y, w, h) with this. bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op) { - // Don't change shared data - if (!m_refData) - { - m_refData = new wxRegionRefData(); - } - else if (m_refData->GetRefCount() > 1) - { - wxRegionRefData* ref = (wxRegionRefData*)m_refData; - UnRef(); - m_refData = new wxRegionRefData(*ref); - } + // Don't change shared data + if (!m_refData) + { + m_refData = new wxRegionRefData(); + } + else if (m_refData->GetRefCount() > 1) + { + wxRegionRefData* ref = (wxRegionRefData*)m_refData; + UnRef(); + 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; + if (region.Empty()) + return false; - // Don't change shared data - if (!m_refData) { - m_refData = new wxRegionRefData(); - } - else if (m_refData->GetRefCount() > 1) - { - wxRegionRefData* ref = (wxRegionRefData*)m_refData; - UnRef(); - m_refData = new wxRegionRefData(*ref); - } + // Don't change shared data + if (!m_refData) + { + m_refData = new wxRegionRefData(); + } + else if (m_refData->GetRefCount() > 1) + { + wxRegionRefData* ref = (wxRegionRefData*)m_refData; + UnRef(); + m_refData = new wxRegionRefData(*ref); + } switch (op) { 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) @@ -197,37 +260,41 @@ 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) - { - Rect box ; - GetRegionBounds( M_REGION , &box ) ; + if (m_refData) + { + Rect box ; + GetRegionBounds( M_REGION , &box ) ; x = box.left ; y = box.top ; w = box.right - box.left ; h = box.bottom - box.top ; - } - else - { - x = y = w = h = 0; - } + } + else + { + x = y = w = h = 0; + } } wxRect wxRegion::GetBox() const { wxCoord x, y, w, h; GetBox(x, y, w, h); + return wxRect(x, y, w, h); } // Is region empty? bool wxRegion::Empty() const { - return EmptyRgn( M_REGION ) ; + if ( m_refData ) + return EmptyRgn( M_REGION ) ; + else + return true ; } const WXHRGN wxRegion::GetWXHRGN() const { - return M_REGION ; + return M_REGION ; } //----------------------------------------------------------------------------- @@ -237,33 +304,34 @@ const WXHRGN wxRegion::GetWXHRGN() const // Does the region contain the point (x,y)? wxRegionContain wxRegion::Contains(long x, long y) const { - if (!m_refData) - return wxOutRegion; + if (!m_refData) + 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) - return wxOutRegion; + if (!m_refData) + return wxOutRegion; Point p = { pt.y , pt.x } ; if (PtInRgn( p , M_REGION ) ) return wxInRegion; - + return wxOutRegion; } // Does the region contain the rectangle (x, y, w, h)? wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const { - if (!m_refData) - return wxOutRegion; + if (!m_refData) + return wxOutRegion; Rect rect = { y , x , y + h , x + w } ; if (RectInRgn( &rect , M_REGION ) ) @@ -275,14 +343,16 @@ wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const // Does the region contain the rectangle rect wxRegionContain wxRegion::Contains(const wxRect& rect) const { - if (!m_refData) - return wxOutRegion; + if (!m_refData) + 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); } @@ -303,25 +373,52 @@ wxRegionIterator::wxRegionIterator() wxRegionIterator::~wxRegionIterator() { if (m_rects) - delete[] m_rects; + { + delete [] m_rects; + m_rects = NULL; + } } wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator) : wxObject() , m_current(iterator.m_current) - , m_numRects(iterator.m_numRects) - , m_rects(iterator.m_rects) + , m_numRects(0) + , m_rects(NULL) { + SetRects(iterator.m_numRects, iterator.m_rects); } wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator) { m_current = iterator.m_current; - m_numRects = iterator.m_numRects; - m_rects = iterator.m_rects; + SetRects(iterator.m_numRects, iterator.m_rects); + return *this; } +/*! + * Set iterator rects for region + */ +void wxRegionIterator::SetRects(long numRects, wxRect *rects) +{ + if (m_rects) + { + delete [] m_rects; + m_rects = NULL; + } + + 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; +} + /*! * Initialize iterator for region */ @@ -335,29 +432,79 @@ wxRegionIterator::wxRegionIterator(const wxRegion& region) /*! * Reset iterator for a new /e region. */ + +OSStatus wxMacRegionToRectsCounterCallback( + UInt16 message, RgnHandle region, const Rect *rect, void *data ) +{ + long *m_numRects = (long*) data ; + if ( message == kQDRegionToRectsMsgInit ) + { + (*m_numRects) = 0 ; + } + else if (message == kQDRegionToRectsMsgParse) + { + (*m_numRects) += 1 ; + } + + return noErr; +} + +class RegionToRectsCallbackData +{ +public : + wxRect* m_rects ; + long m_current ; +}; + +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; +} + void wxRegionIterator::Reset(const wxRegion& region) { - m_current = 0; - m_region = region; + m_current = 0; + m_region = region; if (m_rects) - delete[] m_rects; - - m_rects = NULL; + { + delete [] m_rects; + m_rects = NULL; + } - if (m_region.Empty()) - m_numRects = 0; - else + if (m_region.Empty()) + { + m_numRects = 0; + } + else { - // we cannot dissolve it into rects on mac - m_rects = new wxRect[1]; - Rect rect ; - GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ; - m_rects[0].x = rect.left; - m_rects[0].y = rect.top; - m_rects[0].width = rect.right - rect.left; - m_rects[0].height = rect.bottom - rect.top; - m_numRects = 1; + RegionToRectsUPP proc = NewRegionToRectsUPP( wxMacRegionToRectsCounterCallback ); + + OSStatus err = noErr; + err = QDRegionToRects (OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&m_numRects); + if (err == noErr) + { + DisposeRegionToRectsUPP (proc); + proc = NewRegionToRectsUPP (wxMacRegionToRectsSetterCallback); + m_rects = new wxRect[m_numRects]; + RegionToRectsCallbackData data ; + data.m_rects = m_rects ; + data.m_current = 0 ; + QDRegionToRects( OTHER_M_REGION( region ) , kQDParseRegionFromTopLeft, proc, (void*)&data ); + } + else + { + m_numRects = 0; + } + + DisposeRegionToRectsUPP( proc ); } } @@ -369,6 +516,7 @@ wxRegionIterator& wxRegionIterator::operator ++ () { if (m_current < m_numRects) ++m_current; + return *this; } @@ -388,29 +536,32 @@ wxRegionIterator wxRegionIterator::operator ++ (int) long wxRegionIterator::GetX() const { - if (m_current < m_numRects) - return m_rects[m_current].x; - return 0; + if (m_current < m_numRects) + return m_rects[m_current].x; + + return 0; } long wxRegionIterator::GetY() const { - if (m_current < m_numRects) - return m_rects[m_current].y; - return 0; + if (m_current < m_numRects) + return m_rects[m_current].y; + + return 0; } long wxRegionIterator::GetW() const { - if (m_current < m_numRects) - return m_rects[m_current].width ; - return 0; + if (m_current < m_numRects) + return m_rects[m_current].width ; + + return 0; } long wxRegionIterator::GetH() const { - if (m_current < m_numRects) - return m_rects[m_current].height; - return 0; -} + if (m_current < m_numRects) + return m_rects[m_current].height; + return 0; +}