X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ca65c0440a7163e4e37e48b1c4329709d722db47..c5cc7fbd27fb53c36beb0ade36153ae48d9e961e:/src/generic/regiong.cpp diff --git a/src/generic/regiong.cpp b/src/generic/regiong.cpp index 4ed586112c..6c358e10ad 100644 --- a/src/generic/regiong.cpp +++ b/src/generic/regiong.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: generic/region.cpp +// Name: src/generic/region.cpp // Purpose: generic wxRegion class // Author: David Elliott // Modified by: @@ -9,8 +9,19 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#include "wx/generic/region.h" -#include "wx/utils.h" + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#include "wx/region.h" + +#ifndef WX_PRECOMP + #include "wx/utils.h" +#endif // ======================================================================== // Classes to interface with X.org code @@ -28,6 +39,7 @@ struct REGION public: // Default constructor initializes nothing REGION() {} + REGION(const wxRect& rect) { rects = &extents; @@ -38,7 +50,11 @@ public: extents.y2 = rect.y + rect.height; size = 1; } - BoxPtr GetBox(int i) { if(i<numRects) return rects+i; else return NULL; } + + BoxPtr GetBox(int i) + { + return i < numRects ? rects + i : NULL; + } // X.org methods static bool XClipBox( @@ -159,12 +175,16 @@ protected: // ======================================================================== // wxRegionRefData // ======================================================================== -class wxRegionRefData : public wxObjectRefData, public REGION + +class wxRegionRefData : public wxGDIRefData, + public REGION { public: wxRegionRefData() - /* XCreateRegion */ - { size = 1; + : wxGDIRefData(), + REGION() + { + size = 1; numRects = 0; rects = ( BOX * )malloc( (unsigned) sizeof( BOX )); extents.x1 = 0; @@ -172,10 +192,12 @@ public: extents.y1 = 0; extents.y2 = 0; } + wxRegionRefData(const wxPoint& topLeft, const wxPoint& bottomRight) - : wxObjectRefData() - , REGION() - { rects = (BOX*)malloc(sizeof(BOX)); + : wxGDIRefData(), + REGION() + { + rects = (BOX*)malloc(sizeof(BOX)); size = 1; numRects = 1; extents.x1 = topLeft.x; @@ -184,25 +206,31 @@ public: extents.y2 = bottomRight.y; *rects = extents; } + wxRegionRefData(const wxRect& rect) - : wxObjectRefData() - , REGION(rect) - { rects = (BOX*)malloc(sizeof(BOX)); + : wxGDIRefData(), + REGION(rect) + { + rects = (BOX*)malloc(sizeof(BOX)); *rects = extents; } + wxRegionRefData(const wxRegionRefData& refData) - : wxObjectRefData() - , REGION() + : wxGDIRefData(), + REGION() { size = refData.size; numRects = refData.numRects; rects = (Box*)malloc(numRects*sizeof(Box)); + memcpy(rects, refData.rects, numRects*sizeof(Box)); extents = refData.extents; } - ~wxRegionRefData() + + virtual ~wxRegionRefData() { free(rects); } + private: // Don't allow this wxRegionRefData(const REGION&); @@ -211,7 +239,7 @@ private: // ======================================================================== // wxRegionGeneric // ======================================================================== -//IMPLEMENT_DYNAMIC_CLASS(wxRegionGeneric, wxGDIObject); +//IMPLEMENT_DYNAMIC_CLASS(wxRegionGeneric, wxGDIObject) #define M_REGIONDATA ((wxRegionRefData *)m_refData) #define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData)) @@ -243,115 +271,104 @@ wxRegionGeneric::wxRegionGeneric(const wxPoint& topLeft, const wxPoint& bottomRi m_refData = new wxRegionRefData(topLeft, bottomRight); } +wxRegionGeneric::wxRegionGeneric(const wxBitmap& bmp) +{ + wxFAIL_MSG("NOT IMPLEMENTED: wxRegionGeneric::wxRegionGeneric(const wxBitmap& bmp)"); +} + +wxRegionGeneric::wxRegionGeneric(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle) +{ + wxFAIL_MSG("NOT IMPLEMENTED: wxRegionGeneric::wxRegionGeneric(size_t n, const wxPoint *points, wxPolygonFillMode fillStyle)"); +} + +wxRegionGeneric::wxRegionGeneric(const wxBitmap& bmp, const wxColour& transp, int tolerance) +{ + wxFAIL_MSG("NOT IMPLEMENTED: wxRegionGeneric::wxRegionGeneric(const wxBitmap& bmp, const wxColour& transp, int tolerance)"); +} + void wxRegionGeneric::Clear() { UnRef(); + if (!m_refData) + m_refData = new wxRegionRefData(wxRect(0,0,0,0)); } -wxObjectRefData *wxRegionGeneric::CreateRefData() const +wxGDIRefData *wxRegionGeneric::CreateGDIRefData() const { return new wxRegionRefData; } -wxObjectRefData *wxRegionGeneric::CloneRefData(const wxObjectRefData *data) const +wxGDIRefData *wxRegionGeneric::CloneGDIRefData(const wxGDIRefData *data) const { return new wxRegionRefData(*(wxRegionRefData *)data); } -bool wxRegionGeneric::operator== (const wxRegionGeneric& region) +bool wxRegionGeneric::DoIsEqual(const wxRegion& region) const { - wxASSERT(m_refData && region.m_refData); return REGION::XEqualRegion(M_REGIONDATA,M_REGIONDATA_OF(region)); } -wxRect wxRegionGeneric::GetBox() const +bool wxRegionGeneric::DoGetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const { - wxASSERT(m_refData); - wxRect rect; - REGION::XClipBox(M_REGIONDATA,&rect); - return rect; -} + if ( !m_refData ) + return false; -void wxRegionGeneric::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const -{ - wxASSERT(m_refData); wxRect rect; REGION::XClipBox(M_REGIONDATA,&rect); x = rect.x; y = rect.y; w = rect.width; h = rect.height; + return true; } // ---------------------------------------------------------------------------- // wxRegionGeneric operations // ---------------------------------------------------------------------------- -bool wxRegionGeneric::Union(const wxRect& rect) -/* XUnionRectWithRegion */ +bool wxRegionGeneric::DoUnionWithRect(const wxRect& rect) { - if (!rect.width || !rect.height) - return false; + if ( rect.IsEmpty() ) + { + // nothing to do + return true; + } AllocExclusive(); REGION region(rect); return REGION::XUnionRegion(®ion,M_REGIONDATA,M_REGIONDATA); } -bool wxRegionGeneric::Union(const wxRegionGeneric& region) +bool wxRegionGeneric::DoUnionWithRegion(const wxRegion& region) { AllocExclusive(); return REGION::XUnionRegion(M_REGIONDATA_OF(region),M_REGIONDATA,M_REGIONDATA); } -bool wxRegionGeneric::Intersect(const wxRect& rect) -{ - if (!rect.width || !rect.height) - return false; - AllocExclusive(); - REGION region(rect); - - return REGION::XIntersectRegion(®ion,M_REGIONDATA,M_REGIONDATA); -} - -bool wxRegionGeneric::Intersect(const wxRegionGeneric& region) +bool wxRegionGeneric::DoIntersect(const wxRegion& region) { AllocExclusive(); return REGION::XIntersectRegion(M_REGIONDATA_OF(region),M_REGIONDATA,M_REGIONDATA); } -bool wxRegionGeneric::Subtract(const wxRect& rect) +bool wxRegionGeneric::DoSubtract(const wxRegion& region) { - if (!rect.width || !rect.height) - return false; - AllocExclusive(); - REGION region(rect); - - return REGION::XSubtractRegion(®ion,M_REGIONDATA,M_REGIONDATA); -} + if ( region.IsEmpty() ) + { + // nothing to do + return true; + } -bool wxRegionGeneric::Subtract(const wxRegionGeneric& region) -{ return REGION::XSubtractRegion(M_REGIONDATA_OF(region),M_REGIONDATA,M_REGIONDATA); } -bool wxRegionGeneric::Xor(const wxRect& rect) -{ - if (!rect.width || !rect.height) - return false; - AllocExclusive(); - REGION region(rect); - - return REGION::XXorRegion(®ion,M_REGIONDATA,M_REGIONDATA); -} - -bool wxRegionGeneric::Xor(const wxRegionGeneric& region) +bool wxRegionGeneric::DoXor(const wxRegion& region) { AllocExclusive(); return REGION::XXorRegion(M_REGIONDATA_OF(region),M_REGIONDATA,M_REGIONDATA); } -bool wxRegionGeneric::Offset(wxCoord x, wxCoord y) +bool wxRegionGeneric::DoOffset(wxCoord x, wxCoord y) { AllocExclusive(); return REGION::XOffsetRegion(M_REGIONDATA, x, y); @@ -361,35 +378,21 @@ bool wxRegionGeneric::Offset(wxCoord x, wxCoord y) // wxRegionGeneric comparison // ---------------------------------------------------------------------------- -bool wxRegionGeneric::Empty() const +bool wxRegionGeneric::IsEmpty() const { wxASSERT(m_refData); return REGION::XEmptyRegion(M_REGIONDATA); } // Does the region contain the point (x,y)? -wxRegionContain wxRegionGeneric::Contains(long x, long y) const +wxRegionContain wxRegionGeneric::DoContainsPoint(wxCoord x, wxCoord y) const { wxASSERT(m_refData); - return REGION::XPointInRegion(M_REGIONDATA,x,y)?wxInRegion:wxOutRegion; -} - -// Does the region contain the point pt? -wxRegionContain wxRegionGeneric::Contains(const wxPoint& pt) const -{ - wxASSERT(m_refData); - return REGION::XPointInRegion(M_REGIONDATA,pt.x,pt.y)?wxInRegion:wxOutRegion; -} - -// Does the region contain the rectangle (x, y, w, h)? -wxRegionContain wxRegionGeneric::Contains(long x, long y, long w, long h) const -{ - wxASSERT(m_refData); - return REGION::XRectInRegion(M_REGIONDATA,x,y,w,h); + return REGION::XPointInRegion(M_REGIONDATA,x,y) ? wxInRegion : wxOutRegion; } // Does the region contain the rectangle rect? -wxRegionContain wxRegionGeneric::Contains(const wxRect& rect) const +wxRegionContain wxRegionGeneric::DoContainsRect(const wxRect& rect) const { wxASSERT(m_refData); return REGION::XRectInRegion(M_REGIONDATA,rect.x,rect.y,rect.width,rect.height); @@ -398,7 +401,7 @@ wxRegionContain wxRegionGeneric::Contains(const wxRect& rect) const // ======================================================================== // wxRegionIteratorGeneric // ======================================================================== -//IMPLEMENT_DYNAMIC_CLASS(wxRegionIteratorGeneric,wxObject); +//IMPLEMENT_DYNAMIC_CLASS(wxRegionIteratorGeneric,wxObject) wxRegionIteratorGeneric::wxRegionIteratorGeneric() { @@ -443,7 +446,7 @@ wxRegionIteratorGeneric wxRegionIteratorGeneric::operator++(int) wxRect wxRegionIteratorGeneric::GetRect() const { - wxASSERT(m_refData); + wxASSERT(m_region.m_refData); const Box *box = M_REGIONDATA_OF(m_region)->GetBox(m_current); wxASSERT(box); return wxRect @@ -456,7 +459,7 @@ wxRect wxRegionIteratorGeneric::GetRect() const long wxRegionIteratorGeneric::GetX() const { - wxASSERT(m_refData); + wxASSERT(m_region.m_refData); const Box *box = M_REGIONDATA_OF(m_region)->GetBox(m_current); wxASSERT(box); return box->x1; @@ -464,7 +467,7 @@ long wxRegionIteratorGeneric::GetX() const long wxRegionIteratorGeneric::GetY() const { - wxASSERT(m_refData); + wxASSERT(m_region.m_refData); const Box *box = M_REGIONDATA_OF(m_region)->GetBox(m_current); wxASSERT(box); return box->y1; @@ -472,7 +475,7 @@ long wxRegionIteratorGeneric::GetY() const long wxRegionIteratorGeneric::GetW() const { - wxASSERT(m_refData); + wxASSERT(m_region.m_refData); const Box *box = M_REGIONDATA_OF(m_region)->GetBox(m_current); wxASSERT(box); return box->x2 - box->x1; @@ -480,7 +483,7 @@ long wxRegionIteratorGeneric::GetW() const long wxRegionIteratorGeneric::GetH() const { - wxASSERT(m_refData); + wxASSERT(m_region.m_refData); const Box *box = M_REGIONDATA_OF(m_region)->GetBox(m_current); wxASSERT(box); return box->y2 - box->y1; @@ -603,14 +606,17 @@ SOFTWARE. */ /* Create a new empty region */ -Region REGION:: -XCreateRegion(void) +Region REGION::XCreateRegion(void) { - Region temp; + Region temp = new REGION; - if (! (temp = new REGION)) + if (!temp) return (Region) NULL; - if (! (temp->rects = ( BOX * )malloc( (unsigned) sizeof( BOX )))) { + + temp->rects = ( BOX * )malloc( (unsigned) sizeof( BOX )); + + if (!temp->rects) + { free((char *) temp); return (Region) NULL; } @@ -623,10 +629,7 @@ XCreateRegion(void) return( temp ); } -bool REGION:: -XClipBox( - Region r, - wxRect *rect) +bool REGION::XClipBox(Region r, wxRect *rect) { rect->x = r->extents.x1; rect->y = r->extents.y1; @@ -859,9 +862,10 @@ miRegionCopy( { BOX *prevRects = dstrgn->rects; - if (! (dstrgn->rects = (BOX *) + dstrgn->rects = (BOX *) realloc((char *) dstrgn->rects, - (unsigned) rgn->numRects * (sizeof(BOX))))) + (unsigned) rgn->numRects * (sizeof(BOX))); + if (!dstrgn->rects) { free(prevRects); return; @@ -1128,8 +1132,10 @@ miRegionOp( */ newReg->size = wxMax(reg1->numRects,reg2->numRects) * 2; - if (! (newReg->rects = (BoxPtr) - malloc ((unsigned) (sizeof(BoxRec) * newReg->size)))) { + newReg->rects = (BoxPtr)malloc((unsigned) (sizeof(BoxRec) * newReg->size)); + + if (!newReg->rects) + { newReg->size = 0; return; } @@ -1758,11 +1764,7 @@ miSubtractO ( *----------------------------------------------------------------------- */ -bool REGION:: -XSubtractRegion( - Region regM, - Region regS, - register Region regD) +bool REGION::XSubtractRegion(Region regM, Region regS, register Region regD) { /* check for trivial reject */ if ( (!(regM->numRects)) || (!(regS->numRects)) || @@ -1786,13 +1788,16 @@ XSubtractRegion( return true; } -bool REGION:: -XXorRegion(Region sra, Region srb, Region dr) +bool REGION::XXorRegion(Region sra, Region srb, Region dr) { - Region tra, trb; + Region tra = XCreateRegion(); + + wxCHECK_MSG( tra, false, wxT("region not created") ); + + Region trb = XCreateRegion(); + + wxCHECK_MSG( trb, false, wxT("region not created") ); - if ((! (tra = XCreateRegion())) || (! (trb = XCreateRegion()))) - return 0; (void) XSubtractRegion(sra,srb,tra); (void) XSubtractRegion(srb,sra,trb); (void) XUnionRegion(tra,trb,dr); @@ -1805,9 +1810,7 @@ XXorRegion(Region sra, Region srb, Region dr) * Check to see if the region is empty. Assumes a region is passed * as a parameter */ -bool REGION:: -XEmptyRegion( - Region r) +bool REGION::XEmptyRegion(Region r) { if( r->numRects == 0 ) return true; else return false; @@ -1816,8 +1819,7 @@ XEmptyRegion( /* * Check to see if two regions are equal */ -bool REGION:: -XEqualRegion(Region r1, Region r2) +bool REGION::XEqualRegion(Region r1, Region r2) { int i; @@ -1836,10 +1838,7 @@ XEqualRegion(Region r1, Region r2) return true; } -bool REGION:: -XPointInRegion( - Region pRegion, - int x, int y) +bool REGION::XPointInRegion(Region pRegion, int x, int y) { int i; @@ -1855,11 +1854,10 @@ XPointInRegion( return false; } -wxRegionContain REGION:: -XRectInRegion( - register Region region, - int rx, int ry, - unsigned int rwidth, unsigned int rheight) +wxRegionContain REGION::XRectInRegion(register Region region, + int rx, int ry, + unsigned int rwidth, + unsigned int rheight) { register BoxPtr pbox; register BoxPtr pboxEnd; @@ -1936,4 +1934,3 @@ XRectInRegion( return(partIn ? ((ry < prect->y2) ? wxPartRegion : wxInRegion) : wxOutRegion); } -