X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/18680f86512504f043ad5d0b222afc7be87aa3e9..90f58090f638b6e2b136e2cb61ad26d55c76747b:/src/mac/carbon/dcclient.cpp

diff --git a/src/mac/carbon/dcclient.cpp b/src/mac/carbon/dcclient.cpp
index c05e976854..27164c2c9e 100644
--- a/src/mac/carbon/dcclient.cpp
+++ b/src/mac/carbon/dcclient.cpp
@@ -20,17 +20,17 @@
     #include "wx/settings.h"
     #include "wx/toplevel.h"
     #include "wx/math.h"
+    #include "wx/region.h"
 #endif
 
-#include "wx/region.h"
+#include "wx/graphics.h"
+#include "wx/rawbmp.h"
 #include "wx/mac/private.h"
 
 //-----------------------------------------------------------------------------
 // constants
 //-----------------------------------------------------------------------------
 
-#define RAD2DEG 57.2957795131
-
 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------
@@ -112,6 +112,9 @@ static wxBrush MacGetBackgroundBrush( wxWindow* window )
 wxWindowDC::wxWindowDC()
 {
     m_window = NULL ;
+#if wxMAC_USE_CORE_GRAPHICS
+    m_release = false;
+#endif
 }
 
 wxWindowDC::wxWindowDC(wxWindow *window)
@@ -121,39 +124,36 @@ wxWindowDC::wxWindowDC(wxWindow *window)
     if (!rootwindow)
         return;
 
-    WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
-    int x , y ;
-    x = y = 0 ;
-    wxSize size = window->GetSize() ;
-    window->MacWindowToRootWindow( &x , &y ) ;
-    m_macPort = UMAGetWindowPort( windowref ) ;
     m_ok = true ;
 
 #if wxMAC_USE_CORE_GRAPHICS
-    m_macLocalOriginInPort.x = x ;
-    m_macLocalOriginInPort.y = y ;
-
-    if ( window->MacGetCGContextRef() )
+    m_window->GetSize( &m_width , &m_height);
+    CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
+    m_release = false;
+    if ( cg == NULL )
     {
-        m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
-        m_graphicContext->SetPen( m_pen ) ;
-        m_graphicContext->SetBrush( m_brush ) ;
+        SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
     }
     else
     {
-        // as out of order redraw is not supported under CQ, we have to create a qd port for these
-        // situations
-        m_macLocalOrigin.x = x ;
-        m_macLocalOrigin.y = y ;
-
-        m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
-        m_graphicContext->SetPen( m_pen ) ;
-        m_graphicContext->SetBrush( m_brush ) ;
+        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 ) );
     }
-    // there is no out-of-order drawing on OSX
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
 #else
+    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 ) ;
     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
@@ -165,13 +165,84 @@ wxWindowDC::wxWindowDC(wxWindow *window)
 
 wxWindowDC::~wxWindowDC()
 {
+#if wxMAC_USE_CORE_GRAPHICS
+    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;
+#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;
 }
 
 /*
@@ -183,6 +254,16 @@ wxClientDC::wxClientDC()
     m_window = NULL ;
 }
 
+#if wxMAC_USE_CORE_GRAPHICS
+wxClientDC::wxClientDC(wxWindow *window) :
+    wxWindowDC( window )
+{
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+}
+#else
 wxClientDC::wxClientDC(wxWindow *window)
 {
     m_window = window ;
@@ -200,27 +281,6 @@ wxClientDC::wxClientDC(wxWindow *window)
     m_macPort = UMAGetWindowPort( windowref ) ;
     m_ok = true ;
 
-#if wxMAC_USE_CORE_GRAPHICS
-    m_macLocalOriginInPort.x = x ;
-    m_macLocalOriginInPort.y = y ;
-    if ( window->MacGetCGContextRef() )
-    {
-        m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
-        m_graphicContext->SetPen( m_pen ) ;
-        m_graphicContext->SetBrush( m_brush ) ;
-        SetClippingRegion( 0 , 0 , size.x , size.y ) ;
-    }
-    else
-    {
-        // as out of order redraw is not supported under CQ,
-        // we have to create a QD port for these situations
-        m_macLocalOrigin.x = x ;
-        m_macLocalOrigin.y = y ;
-        m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
-        m_graphicContext->SetPen( m_pen ) ;
-        m_graphicContext->SetBrush( m_brush ) ;
-     }
-#else
     m_macLocalOrigin.x = x ;
     m_macLocalOrigin.y = y ;
     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
@@ -228,31 +288,24 @@ wxClientDC::wxClientDC(wxWindow *window)
     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
-#endif
 
     SetBackground(MacGetBackgroundBrush(window));
     SetFont( window->GetFont() ) ;
 }
+#endif
 
 wxClientDC::~wxClientDC()
 {
-#if wxMAC_USE_CORE_GRAPHICS
-/*
-    if ( m_window->MacGetCGContextRef() == 0)
-    {
-        CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
-        CGContextFlush( cgContext ) ;
-    }
-*/
-#endif
 }
 
+#if !wxMAC_USE_CORE_GRAPHICS
 void wxClientDC::DoGetSize(int *width, int *height) const
 {
     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 
     m_window->GetClientSize( width, height );
 }
+#endif
 
 /*
  * wxPaintDC
@@ -263,6 +316,16 @@ wxPaintDC::wxPaintDC()
     m_window = NULL ;
 }
 
+#if wxMAC_USE_CORE_GRAPHICS
+wxPaintDC::wxPaintDC(wxWindow *window) :
+    wxWindowDC( window )
+{
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+}
+#else
 wxPaintDC::wxPaintDC(wxWindow *window)
 {
     m_window = window ;
@@ -278,8 +341,6 @@ wxPaintDC::wxPaintDC(wxWindow *window)
     m_ok = true ;
 
 #if wxMAC_USE_CORE_GRAPHICS
-    m_macLocalOriginInPort.x = x ;
-    m_macLocalOriginInPort.y = y ;
     if ( window->MacGetCGContextRef() )
     {
         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
@@ -308,14 +369,17 @@ wxPaintDC::wxPaintDC(wxWindow *window)
 
     SetFont( window->GetFont() ) ;
 }
+#endif
 
 wxPaintDC::~wxPaintDC()
 {
 }
 
+#if !wxMAC_USE_CORE_GRAPHICS
 void wxPaintDC::DoGetSize(int *width, int *height) const
 {
     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 
     m_window->GetClientSize( width, height );
 }
+#endif