X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b954afc925448455b32dda53bc2c274bac6d2582..f1f5f16f780bb41aa2ea24ccbf728f14c86cc475:/src/common/dcbase.cpp

diff --git a/src/common/dcbase.cpp b/src/common/dcbase.cpp
index 56ed0286d0..9f875dd04d 100644
--- a/src/common/dcbase.cpp
+++ b/src/common/dcbase.cpp
@@ -25,6 +25,7 @@
 #endif
 
 #include "wx/dc.h"
+#include "wx/dcbuffer.h" // for IMPLEMENT_DYNAMIC_CLASS
 
 #ifndef WX_PRECOMP
     #include "wx/math.h"
@@ -38,6 +39,9 @@ IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
 // implementation
 // ============================================================================
 
+IMPLEMENT_DYNAMIC_CLASS(wxBufferedDC, wxMemoryDC)
+IMPLEMENT_ABSTRACT_CLASS(wxBufferedPaintDC, wxBufferedDC)
+
 #if WXWIN_COMPATIBILITY_2_6
 void wxDCBase::BeginDrawing()
 {
@@ -60,8 +64,9 @@ void wxDCBase::DoDrawCheckMark(wxCoord x1, wxCoord y1,
     wxCoord x2 = x1 + width,
             y2 = y1 + height;
 
-    // this is to yield width of 3 for width == height == 10
-    SetPen(wxPen(GetTextForeground(), (width + height + 1) / 7, wxSOLID));
+    // the pen width is calibrated to give 3 for width == height == 10
+    wxDCPenChanger pen((wxDC&)*this,
+                        wxPen(GetTextForeground(), (width + height + 1)/7));
 
     // we're drawing a scaled version of wx/generic/tick.xpm here
     wxCoord x3 = x1 + (4*width) / 10,   // x of the tick bottom
@@ -326,7 +331,7 @@ void wxDCBase::DoDrawSpline( wxList *points )
     double           x1, y1, x2, y2;
 
     wxList::compatibility_iterator node = points->GetFirst();
-    if (node == wxList::compatibility_iterator())
+    if (!node)
         // empty list
         return;
 
@@ -466,7 +471,7 @@ void wxDCBase::GetMultiLineTextExtent(const wxString& text,
                                       wxCoord *x,
                                       wxCoord *y,
                                       wxCoord *h,
-                                      wxFont *font)
+                                      wxFont *font) const
 {
     wxCoord widthTextMax = 0, widthLine,
             heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
@@ -693,13 +698,14 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
 {
     // save old pen
     wxPen oldPen = m_pen;
-
-    wxUint8 nR1 = destColour.Red();
-    wxUint8 nG1 = destColour.Green();
-    wxUint8 nB1 = destColour.Blue();
-    wxUint8 nR2 = initialColour.Red();
-    wxUint8 nG2 = initialColour.Green();
-    wxUint8 nB2 = initialColour.Blue();
+    wxBrush oldBrush = m_brush;
+
+    wxUint8 nR1 = initialColour.Red();
+    wxUint8 nG1 = initialColour.Green();
+    wxUint8 nB1 = initialColour.Blue();
+    wxUint8 nR2 = destColour.Red();
+    wxUint8 nG2 = destColour.Green();
+    wxUint8 nB2 = destColour.Blue();
     wxUint8 nR, nG, nB;
 
     if ( nDirection == wxEAST || nDirection == wxWEST )
@@ -728,12 +734,14 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
             else
                 nB = nB1 + (nB2-nB1)*(w-x)/w;
 
-            SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
+	    wxColour colour(nR,nG,nB);
+            SetPen(wxPen(colour, 1, wxSOLID));
+            SetBrush(wxBrush(colour));
             if(nDirection == wxEAST)
-                DrawRectangle(rect.GetLeft()+x, rect.GetTop(),
+                DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(),
                         xDelta, rect.GetHeight());
             else //nDirection == wxWEST
-                DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(),
+                DrawRectangle(rect.GetLeft()+x, rect.GetTop(),
                         xDelta, rect.GetHeight());
         }
     }
@@ -763,7 +771,9 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
             else
                 nB = nB1 + (nB2-nB1)*(w-y)/w;
 
-            SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
+	    wxColour colour(nR,nG,nB);
+            SetPen(wxPen(colour, 1, wxSOLID));
+            SetBrush(wxBrush(colour));
             if(nDirection == wxNORTH)
                 DrawRectangle(rect.GetLeft(), rect.GetTop()+y,
                         rect.GetWidth(), yDelta);
@@ -774,6 +784,7 @@ void wxDCBase::DoGradientFillLinear(const wxRect& rect,
     }
 
     SetPen(oldPen);
+    SetBrush(oldBrush);
 }
 
 void wxDCBase::DoGradientFillConcentric(const wxRect& rect,
@@ -1146,301 +1157,3 @@ void wxDCBase::CalculateEllipticPoints( wxList* points,
 } // CalculateEllipticPoints
 
 #endif
-
-//
-// temporary home for wxOverlay
-//
-
-#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-
-#if defined(wxMAC_USE_CORE_GRAPHICS) && wxMAC_USE_CORE_GRAPHICS
-
-#include "wx/mac/private.h"
-
-class wxOverlayImpl
-{
-public:
-    wxOverlayImpl() ;
-    ~wxOverlayImpl() ;
-    
-    
-    // clears the overlay without restoring the former state
-    // to be done eg when the window content has been changed and repainted
-    void Reset();
-    
-    // returns true if it has been setup
-    bool IsOk();
-    
-    void Init( wxWindowDC* dc, int x , int y , int width , int height );
-    
-    void BeginDrawing( wxWindowDC* dc);
-    
-    void EndDrawing( wxWindowDC* dc);
-    
-    void Clear( wxWindowDC* dc);
-
-private:
-    WindowRef m_overlayWindow ;
-    CGContextRef m_overlayContext ;
-    // we store the window in case we would have to issue a Refresh()
-    wxWindow* m_window ;
-} ;
-
-wxOverlayImpl::wxOverlayImpl()
-{
-    m_window = NULL ;
-    m_overlayContext = NULL ;
-    m_overlayWindow = NULL ;
-}
-
-wxOverlayImpl::~wxOverlayImpl()
-{
-    Reset();
-}
-
-bool wxOverlayImpl::IsOk() 
-{
-    return m_overlayContext != NULL ;
-}
-
-void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
-    wxASSERT_MSG( !IsOk() , _("You cannot Init an overlay twice") );
-
-    m_window = dc->GetWindow(); 
-    
-    wxPoint origin(0,0);
-    origin = m_window->ClientToScreen( origin );
-    Rect bounds = { origin.y, origin.x, origin.y+y+height, origin.x+x+width } ;
-    
-    UInt32 flags = kWindowHideOnSuspendAttribute | kWindowIgnoreClicksAttribute;
-    OSStatus err = CreateNewWindow( kOverlayWindowClass, flags, &bounds, &m_overlayWindow );
-    wxASSERT_MSG(  err == noErr , _("Couldn't create the overlay window") );
-    ShowWindow(m_overlayWindow);
-    err = QDBeginCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
-    CGContextTranslateCTM( m_overlayContext, 0, bounds.bottom - bounds.top );
-    CGContextScaleCTM( m_overlayContext, 1, -1 );
-    wxASSERT_MSG(  err == noErr , _("Couldn't init the context on the overlay window") );
-}
-
-void wxOverlayImpl::BeginDrawing( wxWindowDC* dc)
-{
-    delete dc->m_graphicContext ;
-    dc->m_graphicContext = new wxMacCGContext( m_overlayContext );
-    dc->m_macLocalOrigin.x = 0 ;
-    dc->m_macLocalOrigin.y = 0 ;
-}
-
-void wxOverlayImpl::EndDrawing( wxWindowDC* dc)
-{
-}
-
-void wxOverlayImpl::Clear(wxWindowDC* dc) 
-{
-    wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") );
-    delete dc->m_graphicContext ;
-    dc->m_graphicContext = NULL ;
-
-    Reset();
-}
-
-void wxOverlayImpl::Reset()
-{
-    if ( m_overlayContext )
-    {
-        OSStatus err = QDEndCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
-        wxASSERT_MSG(  err == noErr , _("Couldn't end the context on the overlay window") );
-
-        m_overlayContext = NULL ;
-    }
-    
-    // todo : don't dispose, only hide and reposition on next run
-    if (m_overlayWindow)
-    {
-        DisposeWindow(m_overlayWindow);
-        m_overlayWindow = NULL ;
-    }
-}
-
-//
-//
-//
-
-#else
-
-class wxOverlayImpl
-{
-public:
-    wxOverlayImpl() ;
-    ~wxOverlayImpl() ;
-    
-    
-    // clears the overlay without restoring the former state
-    // to be done eg when the window content has been changed and repainted
-    void Reset();
-    
-    // returns true if it has been setup
-    bool IsOk();
-    
-    void Init( wxWindowDC* dc, int x , int y , int width , int height );
-    
-    void BeginDrawing( wxWindowDC* dc);
-    
-    void EndDrawing( wxWindowDC* dc);
-    
-    void Clear( wxWindowDC* dc);
-
-private:
-    wxBitmap m_bmpSaved ;
-    int m_x ;
-    int m_y ;
-    int m_width ;
-    int m_height ;
-    wxWindow* m_window ;
-} ;
-
-wxOverlayImpl::wxOverlayImpl()
-{
-    m_window = NULL ;
-     m_x = m_y = m_width = m_height = 0 ;
-}
-
-wxOverlayImpl::~wxOverlayImpl()
-{
-}
-
-bool wxOverlayImpl::IsOk() 
-{
-    return m_bmpSaved.Ok() ;
-}
-
-void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
-#if defined(__WXGTK__)
-    m_window = dc->m_owner;
-#else
-    m_window = dc->GetWindow();
-#endif
-    wxMemoryDC dcMem ;
-    m_bmpSaved.Create( width, height );
-    dcMem.SelectObject( m_bmpSaved );
-    m_x = x ;
-    m_y = y ;
-    m_width = width ;
-    m_height = height ;
-#if defined(__WXGTK__) && !defined(__WX_DC_BLIT_FIXED__)
-    wxPoint pt = dcWin.GetDeviceOrigin();
-    x += pt.x;
-    y += pt.y;
-#endif // broken wxGTK wxDC::Blit
-    dcMem.Blit(0, 0, m_width, m_height,
-        dc, x, y);
-    dcMem.SelectObject( wxNullBitmap );
-}
-
-void wxOverlayImpl::Clear(wxWindowDC* dc) 
-{
-    wxMemoryDC dcMem ;
-    dcMem.SelectObject( m_bmpSaved );
-    dc->Blit( m_x, m_y, m_width, m_height , &dcMem , 0 , 0 );
-    dcMem.SelectObject( wxNullBitmap );
-}
-
-void wxOverlayImpl::Reset()
-{
-    m_bmpSaved = wxBitmap();
-}
-
-void wxOverlayImpl::BeginDrawing(wxWindowDC*  WXUNUSED(dc))
-{
-}
-
-void wxOverlayImpl::EndDrawing(wxWindowDC* WXUNUSED(dc))
-{
-}
-
-#endif
-
-// common code
-
-wxOverlay::wxOverlay()
-{
-    m_impl = new wxOverlayImpl();
-    m_inDrawing = false;
-}
-
-wxOverlay::~wxOverlay()
-{
-    wxDELETE( m_impl );
-}
-
-bool wxOverlay::IsOk()
-{
-    return m_impl->IsOk();
-}
-
-void wxOverlay::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
-    m_impl->Init(dc, x, y, width, height);
-}
-
-void wxOverlay::BeginDrawing( wxWindowDC* dc)
-{
-    m_impl->BeginDrawing(dc);
-    m_inDrawing = true ;
-}
-
-void wxOverlay::EndDrawing( wxWindowDC* dc)
-{
-    m_impl->EndDrawing(dc);
-    m_inDrawing = false ;
-}
-
-void wxOverlay::Clear( wxWindowDC* dc)
-{
-    m_impl->Clear(dc);
-}
-
-void wxOverlay::Reset()
-{
-    wxASSERT_MSG(m_inDrawing==false,wxT("cannot reset overlay during drawing"));
-    m_impl->Reset();
-}
-
-// dc connector
-
-wxDCOverlay::wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height) :
-    m_overlay(overlay)
-{
-    Init(dc, x, y, width, height);
-}
-
-wxDCOverlay::wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc) :
-    m_overlay(overlay)
-{
-    int width;
-    int height;
-    dc->GetSize(&width,&height);
-    Init(dc, 0, 0, width, height);
-}
-
-wxDCOverlay::~wxDCOverlay()
-{
-    m_overlay.EndDrawing(m_dc);
-}
-
-void wxDCOverlay::Init(wxWindowDC *dc, int x , int y , int width , int height )
-{
-    m_dc = dc ;
-    if ( !m_overlay.IsOk() )
-    {
-        m_overlay.Init(dc,x,y,width,height);
-    }
-    m_overlay.BeginDrawing(dc);
-}
-
-void wxDCOverlay::Clear() 
-{
-    m_overlay.Clear(m_dc);
-}