X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2f1ae4143271ae63a17e052a1a471d16e9cd8c44..7890a36c9c34b5626ceada90956d0c69941a56af:/src/mac/carbon/region.cpp diff --git a/src/mac/carbon/region.cpp b/src/mac/carbon/region.cpp index afe12ce603..ab42453470 100644 --- a/src/mac/carbon/region.cpp +++ b/src/mac/carbon/region.cpp @@ -1,24 +1,26 @@ ///////////////////////////////////////////////////////////////////////////// // File: 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__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #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) + IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject) + IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject) #endif //----------------------------------------------------------------------------- @@ -27,22 +29,23 @@ class WXDLLEXPORT wxRegionRefData : public wxGDIRefData { public: - wxRegionRefData() - { - m_macRgn = NewRgn() ; - } - - wxRegionRefData(const wxRegionRefData& data) - { - m_macRgn = NewRgn() ; + wxRegionRefData() + { + m_macRgn = NewRgn() ; + } + + wxRegionRefData(const wxRegionRefData& data) + : wxGDIRefData() + { + m_macRgn = NewRgn() ; CopyRgn( data.m_macRgn , m_macRgn ) ; - } + } - ~wxRegionRefData() - { + ~wxRegionRefData() + { DisposeRgn( m_macRgn ) ; - } - RgnHandle m_macRgn ; + } + RgnHandle m_macRgn ; }; #define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn) @@ -63,25 +66,50 @@ wxRegion::wxRegion() wxRegion::wxRegion(WXHRGN hRegion ) { m_refData = new wxRegionRefData; - CopyRgn( hRegion , M_REGION ) ; + CopyRgn( (RgnHandle) hRegion , (RgnHandle) M_REGION ) ; } wxRegion::wxRegion(long x, long y, long w, long h) { m_refData = new wxRegionRefData; - SetRectRgn( 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) { m_refData = new wxRegionRefData; - SetRectRgn( M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ; + SetRectRgn( (RgnHandle) M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ; } wxRegion::wxRegion(const wxRect& rect) { m_refData = new wxRegionRefData; - SetRectRgn( 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; + + 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 ) ; + } + ClosePoly(); + CloseRgn( M_REGION ) ; } /*! @@ -102,23 +130,39 @@ 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: @@ -135,11 +179,11 @@ bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op) break ; case wxRGN_COPY: default: - CopyRgn( rgn ,M_REGION ) ; + CopyRgn( rgn ,M_REGION ) ; break ; } - DisposeRgn( rgn ) ; + DisposeRgn( rgn ) ; return TRUE; } @@ -147,19 +191,19 @@ bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op) //! Union /e region with this. bool wxRegion::Combine(const wxRegion& region, wxRegionOp op) { - 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); - } + 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); + } switch (op) { @@ -177,11 +221,11 @@ bool wxRegion::Combine(const wxRegion& region, wxRegionOp op) 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) @@ -194,26 +238,26 @@ bool wxRegion::Combine(const wxRect& rect, wxRegionOp op) //----------------------------------------------------------------------------- // Outer bounds of region -void wxRegion::GetBox(long& x, long& y, long&w, long &h) const +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 { - long x, y, w, h; + wxCoord x, y, w, h; GetBox(x, y, w, h); return wxRect(x, y, w, h); } @@ -226,7 +270,7 @@ bool wxRegion::Empty() const const WXHRGN wxRegion::GetWXHRGN() const { - return M_REGION ; + return M_REGION ; } //----------------------------------------------------------------------------- @@ -236,8 +280,8 @@ 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) @@ -248,8 +292,8 @@ wxRegionContain wxRegion::Contains(long x, long y) const // Does the region contain the point pt? 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 ) ) @@ -261,8 +305,8 @@ wxRegionContain wxRegion::Contains(const wxPoint& pt) const // 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 ) ) @@ -274,8 +318,8 @@ 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; @@ -286,22 +330,60 @@ wxRegionContain wxRegion::Contains(const wxRect& rect) const } /////////////////////////////////////////////////////////////////////////////// -// // -// wxRegionIterator // -// // +// // +// wxRegionIterator // +// // /////////////////////////////////////////////////////////////////////////////// /*! * Initialize empty iterator */ -wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL) +wxRegionIterator::wxRegionIterator() + : m_current(0), m_numRects(0), m_rects(NULL) { } wxRegionIterator::~wxRegionIterator() { - if (m_rects) + if (m_rects) { delete[] m_rects; + m_rects = NULL; + } +} + +wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator) + : wxObject() + , m_current(iterator.m_current) + , m_numRects(0) + , m_rects(NULL) +{ + SetRects(iterator.m_numRects, iterator.m_rects); +} + +wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator) +{ + m_current = iterator.m_current; + 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) + { + int i; + m_rects = new wxRect[numRects]; + for (i = 0; i < numRects; i++) + m_rects[i] = rects[i]; + } + m_numRects = numRects; } /*! @@ -311,35 +393,79 @@ wxRegionIterator::wxRegionIterator(const wxRegion& region) { m_rects = NULL; - Reset(region); + Reset(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) + if (m_rects) { delete[] m_rects; + m_rects = NULL; + } - 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); } } @@ -347,47 +473,52 @@ void wxRegionIterator::Reset(const wxRegion& region) * Increment iterator. The rectangle returned is the one after the * incrementation. */ -void wxRegionIterator::operator ++ () +wxRegionIterator& wxRegionIterator::operator ++ () { - if (m_current < m_numRects) - ++m_current; + if (m_current < m_numRects) + ++m_current; + return *this; } /*! * Increment iterator. The rectangle returned is the one before the * incrementation. */ -void wxRegionIterator::operator ++ (int) +wxRegionIterator wxRegionIterator::operator ++ (int) { - if (m_current < m_numRects) - ++m_current; + wxRegionIterator previous(*this); + + if (m_current < m_numRects) + ++m_current; + + return previous; } 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; }