/////////////////////////////////////////////////////////////////////////////
// Name: dcmemory.cpp
// Purpose: wxMemoryDC class
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dcmemory.h"
-#endif
+#include "wx/wxprec.h"
#include "wx/dcmemory.h"
+#include "wx/mac/private.h"
//-----------------------------------------------------------------------------
// wxMemoryDC
IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
-wxMemoryDC::wxMemoryDC(void)
+wxMemoryDC::wxMemoryDC()
+: m_selected()
{
- m_ok = FALSE;
-};
+ m_ok = true;
+ SetBackground(*wxWHITE_BRUSH);
+ SetBrush(*wxWHITE_BRUSH);
+ SetPen(*wxBLACK_PEN);
+ SetFont(*wxNORMAL_FONT);
+ m_ok = false;
+}
wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
+: m_selected()
{
- m_ok = FALSE;
-};
+ m_ok = true;
+ SetBackground(*wxWHITE_BRUSH);
+ SetBrush(*wxWHITE_BRUSH);
+ SetPen(*wxBLACK_PEN);
+ SetFont(*wxNORMAL_FONT);
+ m_ok = false;
+}
-wxMemoryDC::~wxMemoryDC(void)
+wxMemoryDC::~wxMemoryDC()
{
-};
+ if ( m_selected.Ok() )
+ {
+#if wxMAC_USE_CORE_GRAPHICS
+ m_selected.EndRawAccess() ;
+ CGContextRef bmCtx = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
+ delete m_graphicContext ;
+ m_graphicContext = NULL ;
+ CGContextRelease( bmCtx ) ;
+#else
+// TODO: UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(m_selected.GetHBITMAP())) );
+#endif
+ }
+}
void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
{
- m_selected = bitmap;
- if (m_selected.Ok())
- {
- wxBitmapRefData * bmap = (wxBitmapRefData*) (m_selected.GetRefData()) ;
- if ( bmap->m_hBitmap )
- {
- m_macPort = (GrafPtr) bmap->m_hBitmap ;
- MacSetupPort() ;
- m_ok = TRUE ;
- // SetBackground(wxBrush(*wxWHITE, wxSOLID));
- }
- else
- {
- m_ok = FALSE;
- }
- }
- else
- {
- m_ok = FALSE;
- };
-};
-
-void wxMemoryDC::GetSize( int *width, int *height ) const
-{
- if (m_selected.Ok())
- {
- if (width) (*width) = m_selected.GetWidth();
- if (height) (*height) = m_selected.GetHeight();
- }
- else
- {
- if (width) (*width) = 0;
- if (height) (*height) = 0;
- };
-};
+ if ( m_selected.Ok() )
+ {
+#if wxMAC_USE_CORE_GRAPHICS
+ m_selected.EndRawAccess() ;
+ CGContextRef bmCtx = ((wxMacCGContext*)(m_graphicContext))->GetNativeContext() ;
+ delete m_graphicContext ;
+ m_graphicContext = NULL ;
+ CGContextRelease( bmCtx ) ;
+#else
+// TODO: UnlockPixels( GetGWorldPixMap(MAC_WXHBITMAP(m_selected.GetHBITMAP())) );
+#endif
+ }
+
+ m_selected = bitmap;
+ if (m_selected.Ok())
+ {
+#if wxMAC_USE_CORE_GRAPHICS
+ m_selected.UseAlpha() ;
+ void * data = m_selected.BeginRawAccess() ;
+
+ int bitsPerComp = 8 ;
+ int bytesPerPixel = 4 ;
+ int w = bitmap.GetWidth() ;
+ int h = bitmap.GetHeight() ;
+
+ // TODO: should this be kCGImageAlphaPremultiplied[First,Last] ?
+ CGImageAlphaInfo a = kCGImageAlphaNoneSkipFirst ;
+ CGColorSpaceRef genericColorSpace = wxMacGetGenericRGBColorSpace();
+ CGContextRef bmCtx = CGBitmapContextCreate( data , w, h, bitsPerComp , bytesPerPixel * w , genericColorSpace, a );
+ wxASSERT_MSG( bmCtx , wxT("Unable to create bitmap context") ) ;
+ if ( bmCtx )
+ {
+ CGContextSetFillColorSpace( bmCtx, genericColorSpace );
+ CGContextSetStrokeColorSpace( bmCtx, genericColorSpace );
+
+ CGContextTranslateCTM( bmCtx , 0 , m_selected.GetHeight() ) ;
+ CGContextScaleCTM( bmCtx , 1 , -1 ) ;
+
+ m_graphicContext = new wxMacCGContext( bmCtx ) ;
+ m_graphicContext->SetPen( m_pen ) ;
+ m_graphicContext->SetBrush( m_brush ) ;
+ }
+ m_ok = (m_graphicContext != NULL) ;
+
+#else
+ m_macPort = m_selected.GetHBITMAP( &m_macMask ) ;
+ m_ok = (m_macPort != NULL) ;
+ if (m_ok)
+ {
+ LockPixels( GetGWorldPixMap( (CGrafPtr) m_macPort ) ) ;
+ SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , 0 , 0 , m_selected.GetWidth() , m_selected.GetHeight() ) ;
+ CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
+ }
+#endif
+ }
+ else
+ {
+ m_ok = false;
+ }
+}
+
+void wxMemoryDC::DoGetSize( int *width, int *height ) const
+{
+ if (m_selected.Ok())
+ {
+ if (width)
+ (*width) = m_selected.GetWidth();
+ if (height)
+ (*height) = m_selected.GetHeight();
+ }
+ else
+ {
+ if (width)
+ (*width) = 0;
+ if (height)
+ (*height) = 0;
+ }
+}