#include "wx/region.h"
#endif
+#include "wx/graphics.h"
+#include "wx/rawbmp.h"
#include "wx/mac/private.h"
//-----------------------------------------------------------------------------
wxWindowDC::wxWindowDC()
{
m_window = NULL ;
+#if wxMAC_USE_CORE_GRAPHICS
+ m_release = false;
+#endif
}
wxWindowDC::wxWindowDC(wxWindow *window)
if (!rootwindow)
return;
- WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
- int x , y ;
- x = y = 0 ;
- window->MacWindowToRootWindow( &x , &y ) ;
m_ok = true ;
#if wxMAC_USE_CORE_GRAPHICS
m_window->GetSize( &m_width , &m_height);
- CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
- m_release = false;
+ CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
+ m_release = false;
if ( cg == NULL )
- {
- SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
- SetDeviceOrigin( x, y );
- }
- 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 ) );
- }
- m_graphicContext->SetPen( m_pen ) ;
- m_graphicContext->SetBrush( m_brush ) ;
- SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+ {
+ 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 ) );
+ }
+ SetClippingRegion( 0 , 0 , m_width , m_height ) ;
#else
- m_macLocalOrigin.x = x ;
- m_macLocalOrigin.y = y ;
- m_macPort = UMAGetWindowPort( windowref ) ;
+ int x , y ;
+ x = y = 0 ;
+ window->MacWindowToRootWindow( &x , &y ) ;
+ m_macLocalOrigin.x = x ;
+ m_macLocalOrigin.y = y ;
+ m_macPort = UMAGetWindowPort( (WindowRef) rootwindow->MacGetWindowRef() ) ;
CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
wxWindowDC::~wxWindowDC()
{
#if wxMAC_USE_CORE_GRAPHICS
- if ( m_release && m_graphicContext )
- {
- CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
- CGContextRestoreGState(cg);
-// CGContextRef cg = (CGContextRef) m_graphicContext->GetNativeContext() ;
- }
+ 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);
+ }
#endif
}
void wxWindowDC::DoGetSize( int* width, int* height ) const
{
#if wxMAC_USE_CORE_GRAPHICS
- if ( width )
- *width = m_width;
- if ( height )
- *height = m_height;
+ if ( width )
+ *width = m_width;
+ if ( height )
+ *height = m_height;
#else
wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
m_window->GetSize(width, height);
#endif
}
+wxBitmap wxWindowDC::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;
+
+ 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));
+
+ pixData.UseAlpha();
+ 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;
+}
+
/*
* wxClientDC
*/
#if wxMAC_USE_CORE_GRAPHICS
wxClientDC::wxClientDC(wxWindow *window) :
- wxWindowDC( window )
+ wxWindowDC( window )
{
wxPoint origin = window->GetClientAreaOrigin() ;
- wxSize size = window->GetClientSize() ;
- int x , y ;
- x = origin.x ;
- y = origin.y ;
- window->MacWindowToRootWindow( &x , &y ) ;
m_window->GetClientSize( &m_width , &m_height);
- SetDeviceOrigin( origin.x, origin.y );
- SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+ SetDeviceOrigin( origin.x, origin.y );
+ SetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
#else
wxClientDC::wxClientDC(wxWindow *window)
#if wxMAC_USE_CORE_GRAPHICS
wxPaintDC::wxPaintDC(wxWindow *window) :
- wxWindowDC( window )
+ wxWindowDC( window )
{
wxPoint origin = window->GetClientAreaOrigin() ;
- wxSize size = window->GetClientSize() ;
- int x , y ;
- x = origin.x ;
- y = origin.y ;
- window->MacWindowToRootWindow( &x , &y ) ;
m_window->GetClientSize( &m_width , &m_height);
- SetDeviceOrigin( origin.x, origin.y );
- SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+ SetDeviceOrigin( origin.x, origin.y );
+ SetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
#else
wxPaintDC::wxPaintDC(wxWindow *window)
projects / wxWidgets.git / blobdiff