use wx-style header and commets; fix indentation to be 4 spaces; move Doxygen comment...

[wxWidgets.git] / src / mac / carbon / dcclient.cpp

diff --git a/src/mac/carbon/dcclient.cpp b/src/mac/carbon/dcclient.cpp
index 6f3a6b35179c9db23d8be0503173d5c1bb85f2f8..4c2c1a8b9fc30574ff05561b3f878bea50431eba 100644 (file)
--- a/src/mac/carbon/dcclient.cpp
+++ b/src/mac/carbon/dcclient.cpp
@@ -1,129 +1,203 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dcclient.cpp
-// Purpose:     wxClientDC class
-// Author:      AUTHOR
+// Name:        src/mac/carbon/dcclient.cpp
+// Purpose:     wxClientDCImpl class
+// Author:      Stefan Csomor

 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // 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 "dcclient.h"
-#endif
+#include "wx/wxprec.h"

 
 #include "wx/dcclient.h"
 
 #include "wx/dcclient.h"

-#include "wx/dcmemory.h"
-#include "wx/region.h"
-#include <math.h>

 
 

-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/window.h"
+    #include "wx/dcmemory.h"
+    #include "wx/settings.h"
+    #include "wx/toplevel.h"
+    #include "wx/math.h"
+    #include "wx/region.h"
+#endif

 
 

-#define RAD2DEG 57.2957795131
+#include "wx/graphics.h"
+#include "wx/rawbmp.h"
+#include "wx/mac/private.h"

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// wxPaintDC
+// wxWindowDCImpl

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-#endif
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxGCDCImpl)

 
 

-/*
- * wxWindowDC
- */
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner )
+   : wxGCDCImpl( owner )
+{
+    m_release = false;
+}

 
 

-#include <wx/mac/uma.h>
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
+   : wxGCDCImpl( owner )
+{
+    m_window = window;
+    
+    WindowRef rootwindow = (WindowRef) window->MacGetTopLevelWindowRef() ;
+    if (!rootwindow)
+        return;
+
+    m_ok = true ;
+
+    m_window->GetSize( &m_width , &m_height);
+    CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
+    m_release = false;
+    if ( cg == NULL )
+    {
+        SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
+    }
+    else
+    {
+        CGContextSaveGState( cg );
+        m_release = true ;
+        // make sure the context is having its origin at the wx-window coordinates of the
+        // view (read at the top of window.cpp about the differences)
+        if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
+            CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
+
+        SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
+    }
+    DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
+
+    SetBackground(wxBrush(window->GetBackgroundColour(),wxSOLID));
+
+    SetFont( window->GetFont() ) ;
+}

 
 

-wxWindowDC::wxWindowDC() 
+wxWindowDCImpl::~wxWindowDCImpl()

 {
 {

+    if ( m_release )
+    {
+        // this must not necessarily be the current context, we must restore the state of the
+        // cg we started with above (before the CGContextTranslateCTM call)
+        CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
+        CGContextRestoreGState(cg);
+    }

 }
 
 }
 

-wxWindowDC::wxWindowDC(wxWindow *the_canvas) 
+void wxWindowDCImpl::DoGetSize( int* width, int* height ) const

 {
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       // this time it is really the full window
-       
-       the_canvas->MacGetPortParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
-       m_macPort = UMAGetWindowPort( windowref ) ;
-       m_minY = m_minX =  0;
-       wxSize size = the_canvas->GetSize() ;
-       m_maxX = size.x  ;
-       m_maxY = size.y ; 
-
-       MacSetupPort() ;
-       m_ok = TRUE ;
+    if ( width )
+        *width = m_width;
+    if ( height )
+        *height = m_height;

 }
 
 }
 

-wxWindowDC::~wxWindowDC()
+wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const

 {
 {

+    // wxScreenDC is derived from wxWindowDC, so a screen dc will
+    // call this method when a Blit is performed with it as a source.
+    if (!m_window)
+        return wxNullBitmap;
+
+#ifdef __LP64__
+    return wxNullBitmap;
+#else
+    ControlRef handle = (ControlRef) m_window->GetHandle();
+    if ( !handle )
+        return wxNullBitmap;
+    
+    HIRect rect;
+    CGImageRef image;
+    CGContextRef context;
+    void* data;
+
+    size_t bytesPerRow;
+
+    HIViewCreateOffscreenImage( handle, 0, &rect, &image);
+
+
+    int width = subrect != NULL ? subrect->width : (int)rect.size.width;
+    int height = subrect !=  NULL ? subrect->height : (int)rect.size.height ;
+
+    bytesPerRow = ( ( width * 8 * 4 + 7 ) / 8 );
+
+    data = calloc( 1, bytesPerRow * height );
+    context = CGBitmapContextCreate( data, width, height, 8, bytesPerRow, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst );
+
+    if ( subrect )
+        rect = CGRectOffset( rect, -subrect->x, -subrect->y ) ;
+    CGContextDrawImage( context, rect, image );
+
+    unsigned char* buffer = (unsigned char*) data;
+    wxBitmap bmp = wxBitmap(width, height, 32);
+    wxAlphaPixelData pixData(bmp, wxPoint(0,0), wxSize(width, height));
+
+    wxAlphaPixelData::Iterator p(pixData);
+    for (int y=0; y<height; y++) {
+        wxAlphaPixelData::Iterator rowStart = p;
+        for (int x=0; x<width; x++) {
+            unsigned char a = buffer[3];
+            p.Red()   = a; buffer++;
+            p.Green() = a; buffer++;
+            p.Blue()  = a; buffer++;
+            p.Alpha() = a; buffer++;
+            ++p;
+        }
+        p = rowStart;
+        p.OffsetY(pixData, 1);
+    }
+
+    return bmp;
+#endif

 }
 
 /*
 }
 
 /*

- * wxClientDC
+ * wxClientDCImpl

  */
 
  */
 

-wxClientDC::wxClientDC()
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
+
+wxClientDCImpl::wxClientDCImpl( wxDC *owner )
+ : wxWindowDCImpl( owner )

 {
 }
 
 {
 }
 

-wxClientDC::wxClientDC(wxWindow *window)
+wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *window ) :
+    wxWindowDCImpl( owner, window )

 {
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       window->MacGetPortClientParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
-       m_macPort = UMAGetWindowPort( windowref ) ;
-       MacSetupPort() ;
-       m_minY = m_minX =  0;
-       wxSize size = window->GetSize() ;
-       m_maxX = size.x  ;
-       m_maxY = size.y ; 
-       m_ok = TRUE ;
-       SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
-       SetFont( window->GetFont() ) ;
+    wxCHECK_RET( window, _T("invalid window in wxClientDCImpl") );
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;

 }
 
 }
 

-wxClientDC::~wxClientDC()
+wxClientDCImpl::~wxClientDCImpl()

 {
 }
 
 /*
 {
 }
 
 /*

- * wxPaintDC
+ * wxPaintDCImpl

  */
 
  */
 

-wxPaintDC::wxPaintDC()
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxWindowDCImpl)
+
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner )
+ : wxWindowDCImpl( owner )

 {
 }
 
 {
 }
 

-wxPaintDC::wxPaintDC(wxWindow *window)
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *window ) :
+    wxWindowDCImpl( owner, window )

 {
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       window->MacGetPortClientParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
-
-       m_macPort = UMAGetWindowPort( windowref ) ;
-       MacSetupPort() ;
-       m_ok = TRUE ;
-       long x , y ,w , h ;
-       window->GetUpdateRegion().GetBox( x , y , w , h ) ;
-       m_minY = m_minX =  0;
-       wxSize size = window->GetSize() ;
-       m_maxX = size.x  ;
-       m_maxY = size.y ; 
-       SetClippingRegion( x , y , w , h ) ;
-       SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
-       SetFont(window->GetFont() ) ;
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;

 }
 
 }
 

-wxPaintDC::~wxPaintDC()
+wxPaintDCImpl::~wxPaintDCImpl()

 {
 }
 {
 }