/////////////////////////////////////////////////////////////////////////////
-// Name: brush.cpp
+// Name: src/msw/brush.cpp
// Purpose: wxBrush
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
#ifdef __GNUG__
#pragma implementation "brush.h"
#endif
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/setup.h"
-#include "wx/list.h"
-#include "wx/utils.h"
-#include "wx/app.h"
-#include "wx/brush.h"
-#endif
+ #include "wx/list.h"
+ #include "wx/utils.h"
+ #include "wx/app.h"
+ #include "wx/brush.h"
+#endif // WX_PRECOMP
#include "wx/msw/private.h"
-#include "assert.h"
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxBrushRefData: public wxGDIRefData
+{
+public:
+ wxBrushRefData(const wxColour& colour = wxNullColour, int style = wxSOLID);
+ wxBrushRefData(const wxBitmap& stipple);
+ wxBrushRefData(const wxBrushRefData& data);
+ virtual ~wxBrushRefData();
+
+ bool operator==(const wxBrushRefData& data) const;
+
+ HBRUSH GetHBRUSH();
+ void Free();
+
+ const wxColour& GetColour() const { return m_colour; }
+ int GetStyle() const { return m_style; }
+ wxBitmap *GetStipple() { return &m_stipple; }
+
+ void SetColour(const wxColour& colour) { Free(); m_colour = colour; }
+ void SetStyle(int style) { Free(); m_style = style; }
+ void SetStipple(const wxBitmap& stipple) { Free(); DoSetStipple(stipple); }
+
+private:
+ void DoSetStipple(const wxBitmap& stipple);
+
+ int m_style;
+ wxBitmap m_stipple;
+ wxColour m_colour;
+ HBRUSH m_hBrush;
+
+ // no assignment operator, the objects of this class are shared and never
+ // assigned after being created once
+ wxBrushRefData& operator=(const wxBrushRefData&);
+};
+
+#define M_BRUSHDATA ((wxBrushRefData *)m_refData)
+
+// ============================================================================
+// wxBrushRefData implementation
+// ============================================================================
IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
-wxBrushRefData::wxBrushRefData(void)
+// ----------------------------------------------------------------------------
+// wxBrushRefData ctors/dtor
+// ----------------------------------------------------------------------------
+
+wxBrushRefData::wxBrushRefData(const wxColour& colour, int style)
+ : m_colour(colour)
{
- m_style = wxSOLID;
- m_hBrush = 0;
+ m_style = style;
+
+ m_hBrush = NULL;
+}
+
+wxBrushRefData::wxBrushRefData(const wxBitmap& stipple)
+{
+ DoSetStipple(stipple);
+
+ m_hBrush = NULL;
}
wxBrushRefData::wxBrushRefData(const wxBrushRefData& data)
+ : m_stipple(data.m_stipple),
+ m_colour(data.m_colour)
{
- m_style = data.m_style;
- m_stipple = data.m_stipple;
- m_colour = data.m_colour;
- m_hBrush = 0;
+ m_style = data.m_style;
+
+ // we can't share HBRUSH, we'd need to create another one ourselves
+ m_hBrush = NULL;
}
-wxBrushRefData::~wxBrushRefData(void)
+wxBrushRefData::~wxBrushRefData()
{
- if ( m_hBrush )
- ::DeleteObject((HBRUSH) m_hBrush);
+ Free();
}
-// Brushes
-wxBrush::wxBrush(void)
+// ----------------------------------------------------------------------------
+// wxBrushRefData accesors
+// ----------------------------------------------------------------------------
+
+bool wxBrushRefData::operator==(const wxBrushRefData& data) const
{
- if ( wxTheBrushList )
- wxTheBrushList->AddBrush(this);
+ // don't compare HBRUSHes
+ return m_style == data.m_style &&
+ m_colour == data.m_colour &&
+ m_stipple == data.m_stipple;
}
-wxBrush::~wxBrush()
+void wxBrushRefData::DoSetStipple(const wxBitmap& stipple)
{
- if (wxTheBrushList)
- wxTheBrushList->RemoveBrush(this);
+ m_stipple = stipple;
+ m_style = stipple.GetMask() ? wxSTIPPLE_MASK_OPAQUE : wxSTIPPLE;
}
-wxBrush::wxBrush(const wxColour& col, int Style)
+// ----------------------------------------------------------------------------
+// wxBrushRefData resource handling
+// ----------------------------------------------------------------------------
+
+void wxBrushRefData::Free()
{
- m_refData = new wxBrushRefData;
+ if ( m_hBrush )
+ {
+ ::DeleteObject(m_hBrush);
- M_BRUSHDATA->m_colour = col;
- M_BRUSHDATA->m_style = Style;
- M_BRUSHDATA->m_hBrush = 0;
+ m_hBrush = NULL;
+ }
+}
- RealizeResource();
+static int TransllateHatchStyle(int style)
+{
+ switch ( style )
+ {
+#ifndef __WXMICROWIN__
+ case wxBDIAGONAL_HATCH: return HS_BDIAGONAL;
+ case wxCROSSDIAG_HATCH: return HS_DIAGCROSS;
+ case wxFDIAGONAL_HATCH: return HS_FDIAGONAL;
+ case wxCROSS_HATCH: return HS_CROSS;
+ case wxHORIZONTAL_HATCH:return HS_HORIZONTAL;
+ case wxVERTICAL_HATCH: return HS_VERTICAL;
+#endif // __WXMICROWIN__
+ default: return -1;
+ }
+}
+
+HBRUSH wxBrushRefData::GetHBRUSH()
+{
+ if ( !m_hBrush )
+ {
+ int hatchStyle = TransllateHatchStyle(m_style);
+ if ( hatchStyle == -1 )
+ {
+ switch ( m_style )
+ {
+ case wxTRANSPARENT:
+ m_hBrush = (HBRUSH)::GetStockObject(NULL_BRUSH);
+ break;
+
+ case wxSTIPPLE:
+ m_hBrush = ::CreatePatternBrush(GetHbitmapOf(m_stipple));
+ break;
+
+ case wxSTIPPLE_MASK_OPAQUE:
+ m_hBrush = ::CreatePatternBrush((HBITMAP)m_stipple.GetMask()
+ ->GetMaskBitmap());
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown brush style") );
+ // fall through
+
+ case wxSOLID:
+ m_hBrush = ::CreateSolidBrush(m_colour.GetPixel());
+ break;
+ }
+ }
+ else // create a hatched brush
+ {
+ m_hBrush = ::CreateHatchBrush(hatchStyle, m_colour.GetPixel());
+ }
+
+ if ( !m_hBrush )
+ {
+ wxLogLastError(_T("CreateXXXBrush()"));
+ }
+ }
- if ( wxTheBrushList )
- wxTheBrushList->AddBrush(this);
+ return m_hBrush;
}
-wxBrush::wxBrush(const wxBitmap& stipple)
+// ============================================================================
+// wxBrush implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxBrush ctors/dtor
+// ----------------------------------------------------------------------------
+
+wxBrush::wxBrush()
{
- m_refData = new wxBrushRefData;
+}
- M_BRUSHDATA->m_style = wxSTIPPLE;
- M_BRUSHDATA->m_stipple = stipple;
- M_BRUSHDATA->m_hBrush = 0;
+wxBrush::wxBrush(const wxColour& col, int style)
+{
+ m_refData = new wxBrushRefData(col, style);
+}
- RealizeResource();
+wxBrush::wxBrush(const wxBitmap& stipple)
+{
+ m_refData = new wxBrushRefData(stipple);
+}
- if ( wxTheBrushList )
- wxTheBrushList->AddBrush(this);
+wxBrush::~wxBrush()
+{
}
-bool wxBrush::RealizeResource(void)
+// ----------------------------------------------------------------------------
+// wxBrush house keeping stuff
+// ----------------------------------------------------------------------------
+
+wxBrush& wxBrush::operator=(const wxBrush& brush)
{
- if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0))
- {
- if (M_BRUSHDATA->m_style==wxTRANSPARENT)
+ if ( *this != brush )
{
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) ::GetStockObject(NULL_BRUSH);
- return TRUE;
+ Ref(brush);
}
- COLORREF ms_colour = 0 ;
- ms_colour = M_BRUSHDATA->m_colour.GetPixel() ;
+ return *this;
+}
- switch (M_BRUSHDATA->m_style)
- {
-/****
- // Don't reset cbrush, wxTRANSPARENT is handled by wxBrush::SelectBrush()
- // this could save (many) time if frequently switching from
- // wxSOLID to wxTRANSPARENT, because Create... is not always called!!
- //
- // NB August 95: now create and select a Null brush instead.
- // This could be optimized as above.
- case wxTRANSPARENT:
- M_BRUSHDATA->m_hBrush = NULL; // Must always select a suitable background brush
- // - could choose white always for a quick solution
- break;
-***/
- case wxBDIAGONAL_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_BDIAGONAL,ms_colour) ;
- break ;
- case wxCROSSDIAG_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_DIAGCROSS,ms_colour) ;
- break ;
- case wxFDIAGONAL_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_FDIAGONAL,ms_colour) ;
- break ;
- case wxCROSS_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_CROSS,ms_colour) ;
- break ;
- case wxHORIZONTAL_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_HORIZONTAL,ms_colour) ;
- break ;
- case wxVERTICAL_HATCH:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateHatchBrush(HS_VERTICAL,ms_colour) ;
- break ;
- case wxSTIPPLE:
- if (M_BRUSHDATA->m_stipple.Ok())
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreatePatternBrush((HBITMAP) M_BRUSHDATA->m_stipple.GetHBITMAP()) ;
- else
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
- break ;
- case wxSOLID:
- default:
- M_BRUSHDATA->m_hBrush = (WXHBRUSH) CreateSolidBrush(ms_colour) ;
- break;
- }
-#ifdef WXDEBUG_CREATE
- if (M_BRUSHDATA->m_hBrush==NULL) wxError("Cannot create brush","Internal error") ;
-#endif
- return TRUE;
- }
- else
- return FALSE;
+bool wxBrush::operator==(const wxBrush& brush) const
+{
+ const wxBrushRefData *brushData = (wxBrushRefData *)brush.m_refData;
+
+ // an invalid brush is considered to be only equal to another invalid brush
+ return m_refData ? (brushData && *M_BRUSHDATA == *brushData) : !brushData;
}
-WXHANDLE wxBrush::GetResourceHandle(void)
+wxObjectRefData *wxBrush::CreateRefData() const
{
- return (WXHANDLE) M_BRUSHDATA->m_hBrush;
+ return new wxBrushRefData;
}
-bool wxBrush::FreeResource(bool WXUNUSED(force))
+wxObjectRefData *wxBrush::CloneRefData(const wxObjectRefData *data) const
{
- if (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush != 0))
- {
- DeleteObject((HBRUSH) M_BRUSHDATA->m_hBrush);
- M_BRUSHDATA->m_hBrush = 0;
- return TRUE;
- }
- else return FALSE;
+ return new wxBrushRefData(*(const wxBrushRefData *)data);
}
-bool wxBrush::IsFree() const
+// ----------------------------------------------------------------------------
+// wxBrush accessors
+// ----------------------------------------------------------------------------
+
+wxColour wxBrush::GetColour() const
{
- return (M_BRUSHDATA && (M_BRUSHDATA->m_hBrush == 0));
+ wxCHECK_MSG( Ok(), wxNullColour, _T("invalid brush") );
+
+ return M_BRUSHDATA->GetColour();
}
-void wxBrush::Unshare()
+int wxBrush::GetStyle() const
{
- // Don't change shared data
- if (!m_refData)
- {
- m_refData = new wxBrushRefData();
- }
- else
- {
- wxBrushRefData* ref = new wxBrushRefData(*(wxBrushRefData*)m_refData);
- UnRef();
- m_refData = ref;
- }
+ wxCHECK_MSG( Ok(), 0, _T("invalid brush") );
+
+ return M_BRUSHDATA->GetStyle();
}
+wxBitmap *wxBrush::GetStipple() const
+{
+ wxCHECK_MSG( Ok(), NULL, _T("invalid brush") );
-void wxBrush::SetColour(const wxColour& col)
+ return M_BRUSHDATA->GetStipple();
+}
+
+WXHANDLE wxBrush::GetResourceHandle() const
{
- Unshare();
+ wxCHECK_MSG( Ok(), FALSE, _T("invalid brush") );
- M_BRUSHDATA->m_colour = col;
+ return (WXHANDLE)M_BRUSHDATA->GetHBRUSH();
+}
+
+// ----------------------------------------------------------------------------
+// wxBrush setters
+// ----------------------------------------------------------------------------
+
+void wxBrush::SetColour(const wxColour& col)
+{
+ AllocExclusive();
- RealizeResource();
+ M_BRUSHDATA->SetColour(col);
}
void wxBrush::SetColour(unsigned char r, unsigned char g, unsigned char b)
{
- Unshare();
-
- M_BRUSHDATA->m_colour.Set(r, g, b);
+ AllocExclusive();
- RealizeResource();
+ M_BRUSHDATA->SetColour(wxColour(r, g, b));
}
-void wxBrush::SetStyle(int Style)
+void wxBrush::SetStyle(int style)
{
- Unshare();
+ AllocExclusive();
- M_BRUSHDATA->m_style = Style;
-
- RealizeResource();
+ M_BRUSHDATA->SetStyle(style);
}
-void wxBrush::SetStipple(const wxBitmap& Stipple)
+void wxBrush::SetStipple(const wxBitmap& stipple)
{
- Unshare();
-
- M_BRUSHDATA->m_stipple = Stipple;
+ AllocExclusive();
- RealizeResource();
+ M_BRUSHDATA->SetStipple(stipple);
}
projects / wxWidgets.git / blobdiff