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wxCocoa: wxRegion using wxRegionGeneric

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Elliott
2004-04-13 19:45:02 +00:00
parent 4c3c384448
commit 53dbce2338
4 changed files with 73 additions and 323 deletions
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204
include/wx/cocoa/region.h
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@@ -1,179 +1,85 @@
/////////////////////////////////////////////////////////////////////////////
// Name: region.h
// Name: wx/cocoa/region.h
// Purpose: wxRegion class
// Author: AUTHOR
// Modified by:
// Created: ??/??/98
// Author: David Elliott
// Modified by:
// Created: 2004/04/12
// RCS-ID: $Id$
// Copyright: (c) AUTHOR
// Copyright: (c) 2004 David Elliott
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_REGION_H_
#define _WX_REGION_H_
#ifndef _WX_COCOA_REGION_H__
#define _WX_COCOA_REGION_H__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "region.h"
#endif
#include "wx/generic/region.h"
#include "wx/list.h"
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
class WXDLLEXPORT wxRect;
class WXDLLEXPORT wxPoint;
enum wxRegionContain {
wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
};
// So far, for internal use only
enum wxRegionOp {
wxRGN_AND, // Creates the intersection of the two combined regions.
wxRGN_COPY, // Creates a copy of the region identified by hrgnSrc1.
wxRGN_DIFF, // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
wxRGN_OR, // Creates the union of two combined regions.
wxRGN_XOR // Creates the union of two combined regions except for any overlapping areas.
};
class WXDLLEXPORT wxRegion : public wxGDIObject {
DECLARE_DYNAMIC_CLASS(wxRegion);
friend class WXDLLEXPORT wxRegionIterator;
class WXDLLEXPORT wxRegion : public wxRegionGeneric
{
DECLARE_DYNAMIC_CLASS(wxRegion);
public:
wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
wxRegion();
wxRegion( const wxBitmap& bmp,
const wxColour& transColour = wxNullColour,
int tolerance = 0)
wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
: wxRegionGeneric(x,y,w,h)
{}
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
: wxRegionGeneric(topLeft, bottomRight)
{}
wxRegion(const wxRect& rect)
: wxRegionGeneric(rect)
{}
wxRegion() {}
wxRegion(const wxBitmap& bmp,
const wxColour& transColour = wxNullColour,
int tolerance = 0)
: wxRegionGeneric()
{
Union(bmp, transColour, tolerance);
}
~wxRegion();
//# Copying
~wxRegion() {}
wxRegion(const wxRegion& r)
: wxGDIObject()
{ Ref(r); }
wxRegion& operator = (const wxRegion& r)
{ Ref(r); return (*this); }
//# Modify region
// Clear current region
void Clear();
// Move the region
bool Offset(wxCoord x, wxCoord y);
// Union rectangle or region with this.
bool Union(long x, long y, long width, long height)
{ return Combine(x, y, width, height, wxRGN_OR); }
bool Union(const wxRect& rect)
{ return Combine(rect, wxRGN_OR); }
bool Union(const wxRegion& region)
{ return Combine(region, wxRGN_OR); }
// Intersect rectangle or region with this.
bool Intersect(long x, long y, long width, long height)
{ return Combine(x, y, width, height, wxRGN_AND); }
bool Intersect(const wxRect& rect)
{ return Combine(rect, wxRGN_AND); }
bool Intersect(const wxRegion& region)
{ return Combine(region, wxRGN_AND); }
// Subtract rectangle or region from this:
// Combines the parts of 'this' that are not part of the second region.
bool Subtract(long x, long y, long width, long height)
{ return Combine(x, y, width, height, wxRGN_DIFF); }
bool Subtract(const wxRect& rect)
{ return Combine(rect, wxRGN_DIFF); }
bool Subtract(const wxRegion& region)
{ return Combine(region, wxRGN_DIFF); }
// XOR: the union of two combined regions except for any overlapping areas.
bool Xor(long x, long y, long width, long height)
{ return Combine(x, y, width, height, wxRGN_XOR); }
bool Xor(const wxRect& rect)
{ return Combine(rect, wxRGN_XOR); }
bool Xor(const wxRegion& region)
{ return Combine(region, wxRGN_XOR); }
//# Information on region
// Outer bounds of region
void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
wxRect GetBox() const ;
// Is region empty?
bool Empty() const;
inline bool IsEmpty() const { return Empty(); }
//# Tests
// Does the region contain the point (x,y)?
wxRegionContain Contains(long x, long y) const;
// Does the region contain the point pt?
wxRegionContain Contains(const wxPoint& pt) const;
// Does the region contain the rectangle (x, y, w, h)?
wxRegionContain Contains(long x, long y, long w, long h) const;
// Does the region contain the rectangle rect?
wxRegionContain Contains(const wxRect& rect) const;
// Convert the region to a B&W bitmap with the black pixels being inside
// the region.
wxBitmap ConvertToBitmap() const;
: wxRegionGeneric(r)
{}
wxRegion& operator= (const wxRegion& r)
{ return *(wxRegion*)&(this->wxRegionGeneric::operator=(r)); }
// Use the non-transparent pixels of a wxBitmap for the region to combine
// with this region. If the bitmap has a mask then it will be used,
// otherwise the colour to be treated as transparent may be specified,
// along with an optional tolerance value.
// NOTE: implemented in common/rgncmn.cpp
bool Union(const wxBitmap& bmp,
const wxColour& transColour = wxNullColour,
int tolerance = 0);
/* And because of function hiding: */
bool Union(long x, long y, long width, long height)
{ return wxRegionGeneric::Union(x,y,width,height); }
bool Union(const wxRect& rect)
{ return wxRegionGeneric::Union(rect); }
bool Union(const wxRegion& region)
{ return wxRegionGeneric::Union(region); }
// Convert the region to a B&W bitmap with the black pixels being inside
// the region.
// NOTE: implemented in common/rgncmn.cpp
wxBitmap ConvertToBitmap() const;
// Internal
bool Combine(long x, long y, long width, long height, wxRegionOp op);
bool Combine(const wxRegion& region, wxRegionOp op);
bool Combine(const wxRect& rect, wxRegionOp op);
};
class WXDLLEXPORT wxRegionIterator : public wxObject
class WXDLLEXPORT wxRegionIterator : public wxRegionIteratorGeneric
{
DECLARE_DYNAMIC_CLASS(wxRegionIterator)
// DECLARE_DYNAMIC_CLASS(wxRegionIteratorGeneric);
public:
wxRegionIterator();
wxRegionIterator(const wxRegion& region);
wxRegionIterator(const wxRegionIterator& iterator);
~wxRegionIterator();
wxRegionIterator() {}
wxRegionIterator(const wxRegion& region)
: wxRegionIteratorGeneric(region)
{}
wxRegionIterator(const wxRegionIterator& iterator)
: wxRegionIteratorGeneric(iterator)
{}
~wxRegionIterator() {}
wxRegionIterator& operator=(const wxRegionIterator& iterator);
void Reset() { m_current = 0; }
void Reset(const wxRegion& region);
operator bool () const { return m_current < m_numRects; }
bool HaveRects() const { return m_current < m_numRects; }
wxRegionIterator& operator++();
wxRegionIterator operator++(int);
long GetX() const;
long GetY() const;
long GetW() const;
long GetWidth() const { return GetW(); }
long GetH() const;
long GetHeight() const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
private:
void SetRects(long numRects, wxRect *rects);
long m_current;
long m_numRects;
wxRegion m_region;
wxRect* m_rects;
wxRegionIterator& operator=(const wxRegionIterator& iter)
{ return *(wxRegionIterator*)&(this->wxRegionIteratorGeneric::operator=(iter)); }
};
#endif
// _WX_REGION_H_
#endif //ndef _WX_COCOA_REGION_H__