X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/936170f4070cb6eac25cbcd0f0015b03a607cec7..04fa04d8067d235ab45b5bc05b65f0679634b541:/src/generic/regiong.cpp?ds=sidebyside

diff --git a/src/generic/regiong.cpp b/src/generic/regiong.cpp
index 99fd7cb8b8..bc3a24f8e2 100644
--- a/src/generic/regiong.cpp
+++ b/src/generic/regiong.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        generic/region.cpp
+// Name:        src/generic/regiong.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(&region,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(&region,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(&region,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(&region,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()
 {
@@ -603,15 +606,18 @@ 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 )))) {
-        free((char *) temp);
+
+    temp->rects = ( BOX * )malloc( (unsigned) sizeof( BOX ));
+
+    if (!temp->rects)
+    {
+        delete temp;
         return (Region) NULL;
     }
     temp->numRects = 0;
@@ -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;
@@ -682,7 +685,7 @@ miSetExtents (Region pReg)
     pExtents->x2 = pBoxEnd->x2;
     pExtents->y2 = pBoxEnd->y2;
 
-    assert(pExtents->y1 < pExtents->y2);
+    wxASSERT_LEVEL_2(pExtents->y1 < pExtents->y2);
     while (pBox <= pBoxEnd)
     {
         if (pBox->x1 < pExtents->x1)
@@ -695,7 +698,7 @@ miSetExtents (Region pReg)
         }
         pBox++;
     }
-    assert(pExtents->x1 < pExtents->x2);
+    wxASSERT_LEVEL_2(pExtents->x1 < pExtents->x2);
 }
 
 bool REGION::
@@ -786,7 +789,7 @@ miIntersectO (
          */
         if (x1 < x2)
         {
-            assert(y1<y2);
+            wxASSERT_LEVEL_2(y1<y2);
 
             MEMCHECK(pReg, pNextRect, pReg->rects);
             pNextRect->x1 = x1;
@@ -795,7 +798,7 @@ miIntersectO (
             pNextRect->y2 = y2;
             pReg->numRects += 1;
             pNextRect++;
-            assert(pReg->numRects <= pReg->size);
+            wxASSERT_LEVEL_2(pReg->numRects <= pReg->size);
         }
 
         /*
@@ -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;
     }
@@ -1373,11 +1379,11 @@ miUnionNonO (
 
     pNextRect = &pReg->rects[pReg->numRects];
 
-    assert(y1 < y2);
+    wxASSERT_LEVEL_2(y1 < y2);
 
     while (r != rEnd)
     {
-        assert(r->x1 < r->x2);
+        wxASSERT_LEVEL_2(r->x1 < r->x2);
         MEMCHECK(pReg, pNextRect, pReg->rects);
         pNextRect->x1 = r->x1;
         pNextRect->y1 = y1;
@@ -1386,7 +1392,7 @@ miUnionNonO (
         pReg->numRects += 1;
         pNextRect++;
 
-        assert(pReg->numRects<=pReg->size);
+        wxASSERT_LEVEL_2(pReg->numRects<=pReg->size);
         r++;
     }
     return 0;        /* lint */
@@ -1433,7 +1439,7 @@ miUnionO (
         if (pNextRect[-1].x2 < r->x2)  \
         {  \
             pNextRect[-1].x2 = r->x2;  \
-            assert(pNextRect[-1].x1<pNextRect[-1].x2); \
+            wxASSERT_LEVEL_2(pNextRect[-1].x1<pNextRect[-1].x2); \
         }  \
     }  \
     else  \
@@ -1446,10 +1452,10 @@ miUnionO (
         pReg->numRects += 1;  \
         pNextRect += 1;  \
     }  \
-    assert(pReg->numRects<=pReg->size);\
+    wxASSERT_LEVEL_2(pReg->numRects<=pReg->size);\
     r++;
 
-    assert (y1<y2);
+    wxASSERT_LEVEL_2 (y1<y2);
     while ((r1 != r1End) && (r2 != r2End))
     {
         if (r1->x1 < r2->x1)
@@ -1574,11 +1580,11 @@ miSubtractNonO1 (
 
     pNextRect = &pReg->rects[pReg->numRects];
 
-    assert(y1<y2);
+    wxASSERT_LEVEL_2(y1<y2);
 
     while (r != rEnd)
     {
-        assert(r->x1<r->x2);
+        wxASSERT_LEVEL_2(r->x1<r->x2);
         MEMCHECK(pReg, pNextRect, pReg->rects);
         pNextRect->x1 = r->x1;
         pNextRect->y1 = y1;
@@ -1587,7 +1593,7 @@ miSubtractNonO1 (
         pReg->numRects += 1;
         pNextRect++;
 
-        assert(pReg->numRects <= pReg->size);
+        wxASSERT_LEVEL_2(pReg->numRects <= pReg->size);
 
         r++;
     }
@@ -1624,7 +1630,7 @@ miSubtractO (
 
     x1 = r1->x1;
 
-    assert(y1<y2);
+    wxASSERT_LEVEL_2(y1<y2);
     pNextRect = &pReg->rects[pReg->numRects];
 
     while ((r1 != r1End) && (r2 != r2End))
@@ -1667,7 +1673,7 @@ miSubtractO (
              * Left part of subtrahend covers part of minuend: add uncovered
              * part of minuend to region and skip to next subtrahend.
              */
-            assert(x1<r2->x1);
+            wxASSERT_LEVEL_2(x1<r2->x1);
             MEMCHECK(pReg, pNextRect, pReg->rects);
             pNextRect->x1 = x1;
             pNextRect->y1 = y1;
@@ -1676,7 +1682,7 @@ miSubtractO (
             pReg->numRects += 1;
             pNextRect++;
 
-            assert(pReg->numRects<=pReg->size);
+            wxASSERT_LEVEL_2(pReg->numRects<=pReg->size);
 
             x1 = r2->x2;
             if (x1 >= r1->x2)
@@ -1710,7 +1716,7 @@ miSubtractO (
                 pNextRect->y2 = y2;
                 pReg->numRects += 1;
                 pNextRect++;
-                assert(pReg->numRects<=pReg->size);
+                wxASSERT_LEVEL_2(pReg->numRects<=pReg->size);
             }
             r1++;
             if (r1 != r1End)
@@ -1723,7 +1729,7 @@ miSubtractO (
      */
     while (r1 != r1End)
     {
-        assert(x1<r1->x2);
+        wxASSERT_LEVEL_2(x1<r1->x2);
         MEMCHECK(pReg, pNextRect, pReg->rects);
         pNextRect->x1 = x1;
         pNextRect->y1 = y1;
@@ -1732,7 +1738,7 @@ miSubtractO (
         pReg->numRects += 1;
         pNextRect++;
 
-        assert(pReg->numRects<=pReg->size);
+        wxASSERT_LEVEL_2(pReg->numRects<=pReg->size);
 
         r1++;
         if (r1 != r1End)
@@ -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);
 }
-