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wxX11:

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Rewrote wxRegion.
     Killed backing store Pixmap.
     Killed wxRectList.
     Adapted wxWindow to the above.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14105 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2002-02-10 16:42:42 +00:00
parent c3e44503cf
commit 1934d291cd
7 changed files with 542 additions and 890 deletions
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209
include/wx/x11/region.h
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@@ -5,7 +5,7 @@
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Copyright: (c) Julian Smart, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
@@ -20,135 +20,148 @@
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
// ----------------------------------------------------------------------------
// A list of rectangles type used by wxRegion and wxWindow
// ----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
WX_DECLARE_LIST(wxRect, wxRectList);
class wxRegion;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
enum wxRegionContain {
wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
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.
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;
// ----------------------------------------------------------------------------
// wxRegion
// ----------------------------------------------------------------------------
class wxRegion : public wxGDIObject
{
public:
wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
wxRegion();
wxRegion() { }
wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
{
InitRect(x, y, w, h);
}
wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
{
InitRect(topLeft.x, topLeft.y,
bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
}
wxRegion( const wxRect& rect )
{
InitRect(rect.x, rect.y, rect.width, rect.height);
}
wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
~wxRegion();
//# Copying
inline wxRegion(const wxRegion& r)
{ Ref(r); }
inline wxRegion& operator = (const wxRegion& r)
{ Ref(r); return (*this); }
//# Modify region
// Clear current region
wxRegion( const wxRegion& region ) { Ref(region); }
wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; }
bool Ok() const { return m_refData != NULL; }
bool operator == ( const wxRegion& region );
bool operator != ( const wxRegion& region ) { return !(*this == region); }
void Clear();
// Union rectangle or region with this.
inline bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_OR); }
inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
// Intersect rectangle or region with this.
inline bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_AND); }
inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); }
inline 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.
inline bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_DIFF); }
inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); }
inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); }
// XOR: the union of two combined regions except for any overlapping areas.
inline bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_XOR); }
inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); }
inline 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;
bool Offset( wxCoord x, wxCoord y );
bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
bool Union( const wxRect& rect );
bool Union( const wxRegion& region );
bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
bool Intersect( const wxRect& rect );
bool Intersect( const wxRegion& region );
bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
bool Subtract( const wxRect& rect );
bool Subtract( const wxRegion& region );
bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
bool Xor( const wxRect& rect );
bool Xor( const wxRegion& 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(); }
bool Ok() const { return (m_refData != NULL) ; }
//# Tests
// Does the region contain the point (x,y)?
wxRegionContain Contains(wxCoord x, wxCoord y) const;
// Does the region contain the point pt?
bool IsEmpty() const { return Empty(); }
wxRegionContain Contains( wxCoord x, wxCoord y ) const;
wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const;
wxRegionContain Contains(const wxPoint& pt) const;
// Does the region contain the rectangle (x, y, w, h)?
wxRegionContain Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const;
// Does the region contain the rectangle rect?
wxRegionContain Contains(const wxRect& rect) const;
public:
WXRegion *GetX11Region() const;
protected:
// ref counting code
virtual wxObjectRefData *CreateRefData() const;
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
// Internal
bool Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op);
bool Combine(const wxRegion& region, wxRegionOp op);
bool Combine(const wxRect& rect, wxRegionOp op);
// Get the internal Region handle
WXRegion GetXRegion() const;
// 'Naughty' functions that allow wxWindows to use a list of rects
// instead of the region, in certain circumstances (e.g. when
// making a region out of the update rectangles).
// These are used by wxPaintDC::wxPaintDC and wxRegionIterator::Reset.
bool UsingRects() const;
wxRect* GetRects();
int GetRectCount() const;
void SetRects(const wxRectList& rectList);
void SetRects(int count, const wxRect* rects);
// common part of ctors for a rectangle region
void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
private:
DECLARE_DYNAMIC_CLASS(wxRegion);
};
class WXDLLEXPORT wxRegionIterator : public wxObject {
DECLARE_DYNAMIC_CLASS(wxRegionIterator)
// ----------------------------------------------------------------------------
// wxRegionIterator: decomposes a region into rectangles
// ----------------------------------------------------------------------------
class wxRegionIterator: public wxObject
{
public:
wxRegionIterator();
wxRegionIterator(const wxRegion& region);
~wxRegionIterator();
void Reset() { m_current = 0; }
void Reset() { m_current = 0u; }
void Reset(const wxRegion& region);
operator bool () const { return m_current < m_numRects; }
bool HaveRects() const { return m_current < m_numRects; }
operator bool () const;
bool HaveRects() const;
void operator ++ ();
void operator ++ (int);
wxCoord GetX() const;
wxCoord GetY() const;
wxCoord GetW() const;
wxCoord GetWidth() const { return GetW(); }
wxCoord GetH() const;
wxCoord GetHeight() const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
wxRect GetRect() const;
private:
size_t m_current;
size_t m_numRects;
size_t m_current;
wxRegion m_region;
wxRect* m_rects;
private:
DECLARE_DYNAMIC_CLASS(wxRegionIterator);
};
#endif