#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;
- int x , y ;
- x = y = 0 ;
- window->MacWindowToRootWindow( &x , &y ) ;
m_ok = true ;
#if wxMAC_USE_CORE_GRAPHICS
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
+ // 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 ) ;
#else
- m_macLocalOrigin.x = x ;
- m_macLocalOrigin.y = y ;
+ int x , y ;
+ x = y = 0 ;
+ window->MacWindowToRootWindow( &x , &y ) ;
+ m_deviceLocalOriginX = x;
+ m_deviceLocalOriginY = 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 ) ;
+ OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
#endif
SetBackground(MacGetBackgroundBrush(window));
wxWindowDC::~wxWindowDC()
{
#if wxMAC_USE_CORE_GRAPHICS
- if ( m_release && m_graphicContext )
+ 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);
- //CGContextRef cg = (CGContextRef) m_graphicContext->GetNativeContext() ;
}
#endif
}
#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
*/
wxClientDC::wxClientDC(wxWindow *window) :
wxWindowDC( window )
{
+ wxCHECK_RET( window, _T("invalid window in wxClientDC") );
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 ) ;
#else
wxClientDC::wxClientDC(wxWindow *window)
{
+ wxCHECK_RET( window, _T("invalid window in wxClientDC") );
m_window = window ;
wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
if (!rootwindow)
m_macPort = UMAGetWindowPort( windowref ) ;
m_ok = true ;
- m_macLocalOrigin.x = x ;
- m_macLocalOrigin.y = y ;
+ m_deviceLocalOriginX = x ;
+ m_deviceLocalOriginY = y ;
SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
- OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
+ OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle) m_macCurrentClipRgn ) ;
SetBackground(MacGetBackgroundBrush(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 ) ;
}
// there is no out-of-order drawing on OSX
#else
- m_macLocalOrigin.x = x ;
- m_macLocalOrigin.y = y ;
+ m_deviceLocalOriginX = x ;
+ m_deviceLocalOriginY = y ;
SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
- OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
+ OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
SetBackground(MacGetBackgroundBrush(window));
#endif
projects / wxWidgets.git / blobdiff