/////////////////////////////////////////////////////////////////////////////
-// Name: src/common/graphcmn.cpp
+// Name: src/common/dcgraph.cpp
// Purpose: graphics context methods common to all platforms
// Author: Stefan Csomor
// Modified by:
-// Created:
+// Created:
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
// Licence: wxWindows licence
#if wxUSE_GRAPHICS_CONTEXT
-#include "wx/graphics.h"
+#include "wx/dcgraph.h"
#ifndef WX_PRECOMP
#include "wx/icon.h"
- #include "wx/bitmap.h"
+ #include "wx/dcclient.h"
#include "wx/dcmemory.h"
- #include "wx/region.h"
#endif
//-----------------------------------------------------------------------------
return (deg * M_PI) / 180.0;
}
+static wxCompositionMode TranslateRasterOp(wxRasterOperationMode function)
+{
+ switch ( function )
+ {
+ case wxCOPY: // src
+ // since we are supporting alpha, _OVER is closer to the intention than _SOURCE
+ // since the latter would overwrite even when alpha is not set to opaque
+ return wxCOMPOSITION_OVER;
+
+ case wxOR: // src OR dst
+ return wxCOMPOSITION_ADD;
+
+ case wxNO_OP: // dst
+ return wxCOMPOSITION_DEST; // ignore the source
+
+ case wxCLEAR: // 0
+ return wxCOMPOSITION_CLEAR;// clear dst
+
+ case wxXOR: // src XOR dst
+ return wxCOMPOSITION_XOR;
+
+ case wxAND: // src AND dst
+ case wxAND_INVERT: // (NOT src) AND dst
+ case wxAND_REVERSE:// src AND (NOT dst)
+ case wxEQUIV: // (NOT src) XOR dst
+ case wxINVERT: // NOT dst
+ case wxNAND: // (NOT src) OR (NOT dst)
+ case wxNOR: // (NOT src) AND (NOT dst)
+ case wxOR_INVERT: // (NOT src) OR dst
+ case wxOR_REVERSE: // src OR (NOT dst)
+ case wxSET: // 1
+ case wxSRC_INVERT: // NOT src
+ break;
+ }
+
+ return wxCOMPOSITION_INVALID;
+}
+
//-----------------------------------------------------------------------------
// wxDC bridge class
//-----------------------------------------------------------------------------
-#ifdef __WXMAC__
-IMPLEMENT_DYNAMIC_CLASS(wxGCDC, wxDCBase)
-#else
IMPLEMENT_DYNAMIC_CLASS(wxGCDC, wxDC)
+
+wxGCDC::wxGCDC(const wxWindowDC& dc) :
+ wxDC( new wxGCDCImpl( this, dc ) )
+{
+}
+
+wxGCDC::wxGCDC( const wxMemoryDC& dc) :
+ wxDC( new wxGCDCImpl( this, dc ) )
+{
+}
+
+#if wxUSE_PRINTING_ARCHITECTURE
+wxGCDC::wxGCDC( const wxPrinterDC& dc) :
+ wxDC( new wxGCDCImpl( this, dc ) )
+{
+}
#endif
-wxGCDC::wxGCDC()
+#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
+wxGCDC::wxGCDC(const wxEnhMetaFileDC& dc)
+ : wxDC(new wxGCDCImpl(this, dc))
{
- Init();
+}
+#endif
+
+wxGCDC::wxGCDC(wxGraphicsContext* context) :
+ wxDC( new wxGCDCImpl( this ) )
+{
+ SetGraphicsContext(context);
+}
+
+wxGCDC::wxGCDC() :
+ wxDC( new wxGCDCImpl( this ) )
+{
+}
+
+wxGCDC::~wxGCDC()
+{
+}
+
+wxGraphicsContext* wxGCDC::GetGraphicsContext() const
+{
+ if (!m_pimpl) return NULL;
+ wxGCDCImpl *gc_impl = (wxGCDCImpl*) m_pimpl;
+ return gc_impl->GetGraphicsContext();
}
void wxGCDC::SetGraphicsContext( wxGraphicsContext* ctx )
-{
+{
+ if (!m_pimpl) return;
+ wxGCDCImpl *gc_impl = (wxGCDCImpl*) m_pimpl;
+ gc_impl->SetGraphicsContext( ctx );
+}
+
+IMPLEMENT_ABSTRACT_CLASS(wxGCDCImpl, wxDCImpl)
+
+wxGCDCImpl::wxGCDCImpl( wxDC *owner ) :
+ wxDCImpl( owner )
+{
+ Init(wxGraphicsContext::Create());
+}
+
+void wxGCDCImpl::SetGraphicsContext( wxGraphicsContext* ctx )
+{
delete m_graphicContext;
m_graphicContext = ctx;
+ if ( m_graphicContext )
+ {
+ m_matrixOriginal = m_graphicContext->GetTransform();
+ m_ok = true;
+ // apply the stored transformations to the passed in context
+ ComputeScaleAndOrigin();
+ m_graphicContext->SetFont( m_font , m_textForegroundColour );
+ m_graphicContext->SetPen( m_pen );
+ m_graphicContext->SetBrush( m_brush);
+ }
+}
+
+wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxWindowDC& dc ) :
+ wxDCImpl( owner )
+{
+ Init(wxGraphicsContext::Create(dc));
+ m_window = dc.GetWindow();
}
-wxGCDC::wxGCDC(const wxWindowDC& dc)
+wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxMemoryDC& dc ) :
+ wxDCImpl( owner )
{
- Init();
- m_graphicContext = wxGraphicsContext::Create(dc);
- m_ok = true;
- if ( dc.GetFont().Ok())
- m_graphicContext->SetFont( m_graphicContext->CreateFont(dc.GetFont(),dc.GetTextForeground()));
- if ( dc.GetPen().Ok())
- m_graphicContext->SetPen( m_graphicContext->CreatePen(dc.GetPen()));
- if ( dc.GetBrush().Ok())
- m_graphicContext->SetBrush( m_graphicContext->CreateBrush(dc.GetBrush()));
+ Init(wxGraphicsContext::Create(dc));
}
-void wxGCDC::Init()
+#if wxUSE_PRINTING_ARCHITECTURE
+wxGCDCImpl::wxGCDCImpl( wxDC *owner, const wxPrinterDC& dc ) :
+ wxDCImpl( owner )
+{
+ Init(wxGraphicsContext::Create(dc));
+}
+#endif
+
+#if defined(__WXMSW__) && wxUSE_ENH_METAFILE
+wxGCDCImpl::wxGCDCImpl(wxDC *owner, const wxEnhMetaFileDC& dc)
+ : wxDCImpl(owner)
+{
+ Init(wxGraphicsContext::Create(dc));
+}
+#endif
+
+wxGCDCImpl::wxGCDCImpl(wxDC* owner, int)
+ : wxDCImpl(owner)
+{
+ // derived class will set a context
+ Init(NULL);
+}
+
+void wxGCDCImpl::Init(wxGraphicsContext* ctx)
{
m_ok = false;
m_colour = true;
m_brush = *wxWHITE_BRUSH;
m_graphicContext = NULL;
-}
+ if (ctx)
+ SetGraphicsContext(ctx);
+ m_logicalFunctionSupported = true;
+}
-wxGCDC::~wxGCDC()
+wxGCDCImpl::~wxGCDCImpl()
{
delete m_graphicContext;
}
-void wxGCDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
+void wxGCDCImpl::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y,
+ bool useMask )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid DC") );
- wxCHECK_RET( bmp.Ok(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid bitmap") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid DC") );
+ wxCHECK_RET( bmp.IsOk(), wxT("wxGCDC(cg)::DoDrawBitmap - invalid bitmap") );
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
- wxCoord w = bmp.GetWidth();
- wxCoord h = bmp.GetHeight();
- wxCoord ww = LogicalToDeviceXRel(w);
- wxCoord hh = LogicalToDeviceYRel(h);
+ int w = bmp.GetScaledWidth();
+ int h = bmp.GetScaledHeight();
+ if ( bmp.GetDepth() == 1 )
+ {
+ m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
+ m_graphicContext->SetBrush( wxBrush( m_textBackgroundColour , wxSOLID ) );
+ m_graphicContext->DrawRectangle( x, y, w, h );
+ m_graphicContext->SetBrush( wxBrush( m_textForegroundColour , wxSOLID ) );
+ m_graphicContext->DrawBitmap( bmp, x, y, w, h );
+ m_graphicContext->SetBrush( m_graphicContext->CreateBrush(m_brush));
+ m_graphicContext->SetPen( m_graphicContext->CreatePen(m_pen));
+ }
+ else // not a monochrome bitmap, handle it normally
+ {
+ // make a copy in case we need to remove its mask, if we don't modify
+ // it the copy is cheap as bitmaps are reference-counted
+ wxBitmap bmpCopy(bmp);
+ if ( !useMask && bmp.GetMask() )
+ bmpCopy.SetMask(NULL);
- m_graphicContext->DrawBitmap( bmp, xx , yy , ww , hh );
+ m_graphicContext->DrawBitmap( bmpCopy, x, y, w, h );
+ }
}
-void wxGCDC::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
+void wxGCDCImpl::DoDrawIcon( const wxIcon &icon, wxCoord x, wxCoord y )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawIcon - invalid DC") );
- wxCHECK_RET( icon.Ok(), wxT("wxGCDC(cg)::DoDrawIcon - invalid icon") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawIcon - invalid DC") );
+ wxCHECK_RET( icon.IsOk(), wxT("wxGCDC(cg)::DoDrawIcon - invalid icon") );
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
wxCoord w = icon.GetWidth();
wxCoord h = icon.GetHeight();
- wxCoord ww = LogicalToDeviceXRel(w);
- wxCoord hh = LogicalToDeviceYRel(h);
- m_graphicContext->DrawIcon( icon , xx, yy, ww, hh );
+ m_graphicContext->DrawIcon( icon , x, y, w, h );
}
-void wxGCDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxGCDCImpl::StartDoc( const wxString& WXUNUSED(message) )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoSetClippingRegion - invalid DC") );
+ return true;
+}
- wxCoord xx, yy, ww, hh;
- xx = LogicalToDeviceX(x);
- yy = LogicalToDeviceY(y);
- ww = LogicalToDeviceXRel(width);
- hh = LogicalToDeviceYRel(height);
+void wxGCDCImpl::EndDoc()
+{
+}
- m_graphicContext->Clip( xx, yy, ww, hh );
- if ( m_clipping )
- {
- m_clipX1 = wxMax( m_clipX1, xx );
- m_clipY1 = wxMax( m_clipY1, yy );
- m_clipX2 = wxMin( m_clipX2, (xx + ww) );
- m_clipY2 = wxMin( m_clipY2, (yy + hh) );
- }
- else
- {
- m_clipping = true;
+void wxGCDCImpl::StartPage()
+{
+}
- m_clipX1 = xx;
- m_clipY1 = yy;
- m_clipX2 = xx + ww;
- m_clipY2 = yy + hh;
- }
+void wxGCDCImpl::EndPage()
+{
}
-void wxGCDC::DoSetClippingRegionAsRegion( const wxRegion ®ion )
+void wxGCDCImpl::Flush()
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoSetClippingRegionAsRegion - invalid DC") );
+ m_graphicContext->Flush();
+}
+
+void wxGCDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
+{
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetClippingRegion - invalid DC") );
+
+ m_graphicContext->Clip( x, y, w, h );
+
+ wxDCImpl::DoSetClippingRegion(x, y, w, h);
+}
+
+void wxGCDCImpl::DoSetDeviceClippingRegion( const wxRegion ®ion )
+{
+ // region is in device coordinates
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoSetDeviceClippingRegion - invalid DC") );
if (region.Empty())
{
- DestroyClippingRegion();
+ //DestroyClippingRegion();
return;
}
+ wxRegion logRegion( region );
wxCoord x, y, w, h;
- region.GetBox( x, y, w, h );
- wxCoord xx, yy, ww, hh;
- xx = LogicalToDeviceX(x);
- yy = LogicalToDeviceY(y);
- ww = LogicalToDeviceXRel(w);
- hh = LogicalToDeviceYRel(h);
-
- // if we have a scaling that we cannot map onto native regions
- // we must use the box
- if ( ww != w || hh != h )
+
+ logRegion.Offset( DeviceToLogicalX(0), DeviceToLogicalY(0) );
+ logRegion.GetBox( x, y, w, h );
+
+ m_graphicContext->Clip( logRegion );
+ if ( m_clipping )
{
- wxGCDC::DoSetClippingRegion( x, y, w, h );
+ m_clipX1 = wxMax( m_clipX1, x );
+ m_clipY1 = wxMax( m_clipY1, y );
+ m_clipX2 = wxMin( m_clipX2, (x + w) );
+ m_clipY2 = wxMin( m_clipY2, (y + h) );
}
else
{
- m_graphicContext->Clip( region );
- if ( m_clipping )
- {
- m_clipX1 = wxMax( m_clipX1, xx );
- m_clipY1 = wxMax( m_clipY1, yy );
- m_clipX2 = wxMin( m_clipX2, (xx + ww) );
- m_clipY2 = wxMin( m_clipY2, (yy + hh) );
- }
- else
- {
- m_clipping = true;
+ m_clipping = true;
- m_clipX1 = xx;
- m_clipY1 = yy;
- m_clipX2 = xx + ww;
- m_clipY2 = yy + hh;
- }
+ m_clipX1 = x;
+ m_clipY1 = y;
+ m_clipX2 = x + w;
+ m_clipY2 = y + h;
}
}
-void wxGCDC::DestroyClippingRegion()
+void wxGCDCImpl::DestroyClippingRegion()
{
m_graphicContext->ResetClip();
+ // currently the clip eg of a window extends to the area between the scrollbars
+ // so we must explicitly make sure it only covers the area we want it to draw
+ int width, height ;
+ GetOwner()->GetSize( &width , &height ) ;
+ m_graphicContext->Clip( DeviceToLogicalX(0) , DeviceToLogicalY(0) , DeviceToLogicalXRel(width), DeviceToLogicalYRel(height) );
+
m_graphicContext->SetPen( m_pen );
m_graphicContext->SetBrush( m_brush );
m_clipping = false;
}
-void wxGCDC::DoGetSizeMM( int* width, int* height ) const
+void wxGCDCImpl::DoGetSizeMM( int* width, int* height ) const
{
int w = 0, h = 0;
- GetSize( &w, &h );
+ GetOwner()->GetSize( &w, &h );
if (width)
*width = long( double(w) / (m_scaleX * m_mm_to_pix_x) );
if (height)
*height = long( double(h) / (m_scaleY * m_mm_to_pix_y) );
}
-void wxGCDC::SetTextForeground( const wxColour &col )
+void wxGCDCImpl::SetTextForeground( const wxColour &col )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::SetTextForeground - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::SetTextForeground - invalid DC") );
- if ( col != m_textForegroundColour )
+ // don't set m_textForegroundColour to an invalid colour as we'd crash
+ // later then (we use m_textForegroundColour.GetColor() without checking
+ // in a few places)
+ if ( col.IsOk() )
{
m_textForegroundColour = col;
m_graphicContext->SetFont( m_font, m_textForegroundColour );
}
}
-void wxGCDC::SetTextBackground( const wxColour &col )
+void wxGCDCImpl::SetTextBackground( const wxColour &col )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::SetTextBackground - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::SetTextBackground - invalid DC") );
m_textBackgroundColour = col;
}
-void wxGCDC::SetMapMode( int mode )
-{
- switch (mode)
- {
- case wxMM_TWIPS:
- SetLogicalScale( twips2mm * m_mm_to_pix_x, twips2mm * m_mm_to_pix_y );
- break;
-
- case wxMM_POINTS:
- SetLogicalScale( pt2mm * m_mm_to_pix_x, pt2mm * m_mm_to_pix_y );
- break;
-
- case wxMM_METRIC:
- SetLogicalScale( m_mm_to_pix_x, m_mm_to_pix_y );
- break;
-
- case wxMM_LOMETRIC:
- SetLogicalScale( m_mm_to_pix_x / 10.0, m_mm_to_pix_y / 10.0 );
- break;
-
- case wxMM_TEXT:
- default:
- SetLogicalScale( 1.0, 1.0 );
- break;
- }
-
- ComputeScaleAndOrigin();
-}
-
-void wxGCDC::SetUserScale( double x, double y )
+wxSize wxGCDCImpl::GetPPI() const
{
- // allow negative ? -> no
-
- m_userScaleX = x;
- m_userScaleY = y;
- ComputeScaleAndOrigin();
+ return wxSize(72, 72);
}
-void wxGCDC::SetLogicalScale( double x, double y )
+int wxGCDCImpl::GetDepth() const
{
- // allow negative ?
- m_logicalScaleX = x;
- m_logicalScaleY = y;
- ComputeScaleAndOrigin();
+ return 32;
}
-void wxGCDC::SetLogicalOrigin( wxCoord x, wxCoord y )
+void wxGCDCImpl::ComputeScaleAndOrigin()
{
- m_logicalOriginX = x * m_signX; // is this still correct ?
- m_logicalOriginY = y * m_signY;
- ComputeScaleAndOrigin();
-}
+ wxDCImpl::ComputeScaleAndOrigin();
-void wxGCDC::SetDeviceOrigin( wxCoord x, wxCoord y )
-{
- m_deviceOriginX = x;
- m_deviceOriginY = y;
- ComputeScaleAndOrigin();
-}
+ if ( m_graphicContext )
+ {
+ m_matrixCurrent = m_graphicContext->CreateMatrix();
-void wxGCDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
-{
- m_signX = (xLeftRight ? 1 : -1);
- m_signY = (yBottomUp ? -1 : 1);
- ComputeScaleAndOrigin();
-}
+ // the logical origin sets the origin to have new coordinates
+ m_matrixCurrent.Translate( m_deviceOriginX - m_logicalOriginX * m_signX * m_scaleX,
+ m_deviceOriginY - m_logicalOriginY * m_signY * m_scaleY);
-wxSize wxGCDC::GetPPI() const
-{
- return wxSize(72, 72);
-}
+ m_matrixCurrent.Scale( m_scaleX * m_signX, m_scaleY * m_signY );
-int wxGCDC::GetDepth() const
-{
- return 32;
+ m_graphicContext->SetTransform( m_matrixOriginal );
+ m_graphicContext->ConcatTransform( m_matrixCurrent );
+ }
}
-void wxGCDC::ComputeScaleAndOrigin()
+void* wxGCDCImpl::GetHandle() const
{
- // CMB: copy scale to see if it changes
- double origScaleX = m_scaleX;
- double origScaleY = m_scaleY;
- m_scaleX = m_logicalScaleX * m_userScaleX;
- m_scaleY = m_logicalScaleY * m_userScaleY;
- m_deviceOriginX = m_deviceOriginX + m_logicalOriginX;
- m_deviceOriginY = m_deviceOriginY + m_logicalOriginY;
-
- // CMB: if scale has changed call SetPen to recalulate the line width
- if (m_scaleX != origScaleX || m_scaleY != origScaleY)
- {
- // this is a bit artificial, but we need to force wxDC to think
- // the pen has changed
- wxPen pen(GetPen());
- m_pen = wxNullPen;
- SetPen(pen);
- SetFont(m_font);
+ void* cgctx = NULL;
+ wxGraphicsContext* gc = GetGraphicsContext();
+ if (gc) {
+ cgctx = gc->GetNativeContext();
}
+ return cgctx;
}
-void wxGCDC::SetPalette( const wxPalette& WXUNUSED(palette) )
+void wxGCDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )
{
}
-void wxGCDC::SetBackgroundMode( int mode )
+void wxGCDCImpl::SetBackgroundMode( int mode )
{
m_backgroundMode = mode;
}
-void wxGCDC::SetFont( const wxFont &font )
+void wxGCDCImpl::SetFont( const wxFont &font )
{
m_font = font;
if ( m_graphicContext )
{
- wxFont f = font;
- if ( f.Ok() )
- f.SetPointSize( LogicalToDeviceYRel(font.GetPointSize()));
- m_graphicContext->SetFont( f, m_textForegroundColour );
+ m_graphicContext->SetFont(font, m_textForegroundColour);
}
}
-void wxGCDC::SetPen( const wxPen &pen )
+void wxGCDCImpl::SetPen( const wxPen &pen )
{
- if ( m_pen == pen )
- return;
-
m_pen = pen;
if ( m_graphicContext )
{
- if ( m_pen.GetStyle() == wxSOLID || m_pen.GetStyle() == wxTRANSPARENT )
- {
- m_graphicContext->SetPen( m_pen );
- }
- else
- {
- // we have to compensate for moved device origins etc. otherwise patterned pens are standing still
- // eg when using a wxScrollWindow and scrolling around
- int origX = LogicalToDeviceX( 0 );
- int origY = LogicalToDeviceY( 0 );
- m_graphicContext->Translate( origX , origY );
- m_graphicContext->SetPen( m_pen );
- m_graphicContext->Translate( -origX , -origY );
- }
+ m_graphicContext->SetPen( m_pen );
}
}
-void wxGCDC::SetBrush( const wxBrush &brush )
+void wxGCDCImpl::SetBrush( const wxBrush &brush )
{
- if (m_brush == brush)
- return;
-
m_brush = brush;
if ( m_graphicContext )
{
- if ( brush.GetStyle() == wxSOLID || brush.GetStyle() == wxTRANSPARENT )
- {
- m_graphicContext->SetBrush( m_brush );
- }
- else
- {
- // we have to compensate for moved device origins etc. otherwise patterned brushes are standing still
- // eg when using a wxScrollWindow and scrolling around
- // TODO on MSW / GDIPlus this still occurs with hatched brushes
- int origX = LogicalToDeviceX(0);
- int origY = LogicalToDeviceY(0);
- m_graphicContext->Translate( origX , origY );
- m_graphicContext->SetBrush( m_brush );
- m_graphicContext->Translate( -origX , -origY );
- }
+ m_graphicContext->SetBrush( m_brush );
}
}
-void wxGCDC::SetBackground( const wxBrush &brush )
+void wxGCDCImpl::SetBackground( const wxBrush &brush )
{
- if (m_backgroundBrush == brush)
- return;
-
m_backgroundBrush = brush;
- if (!m_backgroundBrush.Ok())
+ if (!m_backgroundBrush.IsOk())
return;
}
-void wxGCDC::SetLogicalFunction( int function )
+void wxGCDCImpl::SetLogicalFunction( wxRasterOperationMode function )
{
- if (m_logicalFunction == function)
- return;
-
m_logicalFunction = function;
-#if wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
- CGContextRef cgContext = ((wxCairoContext*)(m_graphicContext))->GetNativeContext();
- if ( m_logicalFunction == wxCOPY )
- CGContextSetBlendMode( cgContext, kCGBlendModeNormal );
- else if ( m_logicalFunction == wxINVERT )
- CGContextSetBlendMode( cgContext, kCGBlendModeExclusion );
- else
- CGContextSetBlendMode( cgContext, kCGBlendModeNormal );
-#endif
+ wxCompositionMode mode = TranslateRasterOp( function );
+ m_logicalFunctionSupported = mode != wxCOMPOSITION_INVALID;
+ if (m_logicalFunctionSupported)
+ m_logicalFunctionSupported = m_graphicContext->SetCompositionMode(mode);
+ if ( function == wxXOR )
+ m_graphicContext->SetAntialiasMode(wxANTIALIAS_NONE);
+ else
+ m_graphicContext->SetAntialiasMode(wxANTIALIAS_DEFAULT);
}
-bool wxGCDC::DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
- const wxColour& WXUNUSED(col), int WXUNUSED(style))
+bool wxGCDCImpl::DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+ const wxColour& WXUNUSED(col),
+ wxFloodFillStyle WXUNUSED(style))
{
return false;
}
-bool wxGCDC::DoGetPixel( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour *WXUNUSED(col) ) const
+bool wxGCDCImpl::DoGetPixel( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour *WXUNUSED(col) ) const
{
// wxCHECK_MSG( 0 , false, wxT("wxGCDC(cg)::DoGetPixel - not implemented") );
return false;
}
-void wxGCDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
+void wxGCDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawLine - invalid DC") );
-
-#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawLine - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
-#endif
-
- wxCoord xx1 = LogicalToDeviceX(x1);
- wxCoord yy1 = LogicalToDeviceY(y1);
- wxCoord xx2 = LogicalToDeviceX(x2);
- wxCoord yy2 = LogicalToDeviceY(y2);
- m_graphicContext->StrokeLine(xx1,yy1,xx2,yy2);
+ m_graphicContext->StrokeLine(x1,y1,x2,y2);
CalcBoundingBox(x1, y1);
CalcBoundingBox(x2, y2);
}
-void wxGCDC::DoCrossHair( wxCoord x, wxCoord y )
+void wxGCDCImpl::DoCrossHair( wxCoord x, wxCoord y )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoCrossHair - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoCrossHair - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
int w = 0, h = 0;
- GetSize( &w, &h );
+ GetOwner()->GetSize( &w, &h );
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
- wxCoord xw = LogicalToDeviceX(w);
- wxCoord x0 = LogicalToDeviceX(0);
- wxCoord y0 = LogicalToDeviceY(0);
- wxCoord yh = LogicalToDeviceY(h);
+ m_graphicContext->StrokeLine(0,y,w,y);
+ m_graphicContext->StrokeLine(x,0,x,h);
- m_graphicContext->StrokeLine(x0,yy,xw,yy);
- m_graphicContext->StrokeLine(xx,y0,xx,yh);
-
- CalcBoundingBox(x0, y0);
- CalcBoundingBox(x0+xw, y0+yh);
+ CalcBoundingBox(0, 0);
+ CalcBoundingBox(0+w, 0+h);
}
-void wxGCDC::DoDrawArc( wxCoord x1, wxCoord y1,
+void wxGCDCImpl::DoDrawArc( wxCoord x1, wxCoord y1,
wxCoord x2, wxCoord y2,
wxCoord xc, wxCoord yc )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawArc - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawArc - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
- wxCoord xx1 = LogicalToDeviceX(x1);
- wxCoord yy1 = LogicalToDeviceY(y1);
- wxCoord xx2 = LogicalToDeviceX(x2);
- wxCoord yy2 = LogicalToDeviceY(y2);
- wxCoord xxc = LogicalToDeviceX(xc);
- wxCoord yyc = LogicalToDeviceY(yc);
-
- double dx = xx1 - xxc;
- double dy = yy1 - yyc;
+ double dx = x1 - xc;
+ double dy = y1 - yc;
double radius = sqrt((double)(dx * dx + dy * dy));
wxCoord rad = (wxCoord)radius;
double sa, ea;
- if (xx1 == xx2 && yy1 == yy2)
+ if (x1 == x2 && y1 == y2)
{
sa = 0.0;
ea = 360.0;
}
else
{
- sa = (xx1 - xxc == 0) ?
- (yy1 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy1 - yyc), double(xx1 - xxc)) * RAD2DEG;
- ea = (xx2 - xxc == 0) ?
- (yy2 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy2 - yyc), double(xx2 - xxc)) * RAD2DEG;
+ sa = (x1 - xc == 0) ?
+ (y1 - yc < 0) ? 90.0 : -90.0 :
+ -atan2(double(y1 - yc), double(x1 - xc)) * RAD2DEG;
+ ea = (x2 - xc == 0) ?
+ (y2 - yc < 0) ? 90.0 : -90.0 :
+ -atan2(double(y2 - yc), double(x2 - xc)) * RAD2DEG;
}
bool fill = m_brush.GetStyle() != wxTRANSPARENT;
wxGraphicsPath path = m_graphicContext->CreatePath();
if ( fill && ((x1!=x2)||(y1!=y2)) )
- path.MoveToPoint( xxc, yyc );
- path.AddArc( xxc, yyc , rad , DegToRad(sa) , DegToRad(ea), false );
+ path.MoveToPoint( xc, yc );
+ // since these angles (ea,sa) are measured counter-clockwise, we invert them to
+ // get clockwise angles
+ path.AddArc( xc, yc , rad , DegToRad(-sa) , DegToRad(-ea), false );
if ( fill && ((x1!=x2)||(y1!=y2)) )
- path.AddLineToPoint( xxc, yyc );
+ path.AddLineToPoint( xc, yc );
m_graphicContext->DrawPath(path);
}
-void wxGCDC::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
+void wxGCDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord w, wxCoord h,
double sa, double ea )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawEllipticArc - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawEllipticArc - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
- wxCoord ww = m_signX * LogicalToDeviceXRel(w);
- wxCoord hh = m_signY * LogicalToDeviceYRel(h);
+ m_graphicContext->PushState();
+ m_graphicContext->Translate(x+w/2.0,y+h/2.0);
+ wxDouble factor = ((wxDouble) w) / h;
+ m_graphicContext->Scale( factor , 1.0);
- // handle -ve width and/or height
- if (ww < 0)
+ // since these angles (ea,sa) are measured counter-clockwise, we invert them to
+ // get clockwise angles
+ if ( m_brush.GetStyle() != wxTRANSPARENT )
{
- ww = -ww;
- xx = xx - ww;
+ wxGraphicsPath path = m_graphicContext->CreatePath();
+ path.MoveToPoint( 0, 0 );
+ path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
+ path.AddLineToPoint( 0, 0 );
+ m_graphicContext->FillPath( path );
+
+ path = m_graphicContext->CreatePath();
+ path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
+ m_graphicContext->StrokePath( path );
}
- if (hh < 0)
+ else
{
- hh = -hh;
- yy = yy - hh;
+ wxGraphicsPath path = m_graphicContext->CreatePath();
+ path.AddArc( 0, 0, h/2.0 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
+ m_graphicContext->DrawPath( path );
}
- bool fill = m_brush.GetStyle() != wxTRANSPARENT;
-
- wxGraphicsPath path = m_graphicContext->CreatePath();
- m_graphicContext->PushState();
- m_graphicContext->Translate(xx+ww/2,yy+hh/2);
- wxDouble factor = ((wxDouble) ww) / hh;
- m_graphicContext->Scale( factor , 1.0);
- if ( fill && (sa!=ea) )
- path.MoveToPoint(0,0);
- // since these angles (ea,sa) are measured counter-clockwise, we invert them to
- // get clockwise angles
- path.AddArc( 0, 0, hh/2 , DegToRad(-sa) , DegToRad(-ea), sa > ea );
- if ( fill && (sa!=ea) )
- path.AddLineToPoint(0,0);
- m_graphicContext->DrawPath( path );
m_graphicContext->PopState();
}
-void wxGCDC::DoDrawPoint( wxCoord x, wxCoord y )
+void wxGCDCImpl::DoDrawPoint( wxCoord x, wxCoord y )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawPoint - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawPoint - invalid DC") );
DoDrawLine( x , y , x + 1 , y + 1 );
}
-void wxGCDC::DoDrawLines(int n, wxPoint points[],
+void wxGCDCImpl::DoDrawLines(int n, const wxPoint points[],
wxCoord xoffset, wxCoord yoffset)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawLines - invalid DC") );
-
-#if !wxMAC_USE_CORE_GRAPHICS_BLEND_MODES
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawLines - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
-#endif
wxPoint2DDouble* pointsD = new wxPoint2DDouble[n];
for( int i = 0; i < n; ++i)
{
- pointsD[i].m_x = LogicalToDeviceX(points[i].x + xoffset);
- pointsD[i].m_y = LogicalToDeviceY(points[i].y + yoffset);
+ pointsD[i].m_x = points[i].x + xoffset;
+ pointsD[i].m_y = points[i].y + yoffset;
}
m_graphicContext->StrokeLines( n , pointsD);
}
#if wxUSE_SPLINES
-void wxGCDC::DoDrawSpline(wxList *points)
+void wxGCDCImpl::DoDrawSpline(const wxPointList *points)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawSpline - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawSpline - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
wxGraphicsPath path = m_graphicContext->CreatePath();
- wxList::compatibility_iterator node = points->GetFirst();
- if (node == wxList::compatibility_iterator())
+ wxPointList::compatibility_iterator node = points->GetFirst();
+ if ( !node )
// empty list
return;
- wxPoint *p = (wxPoint *)node->GetData();
+ const wxPoint *p = node->GetData();
wxCoord x1 = p->x;
wxCoord y1 = p->y;
node = node->GetNext();
- p = (wxPoint *)node->GetData();
+ p = node->GetData();
wxCoord x2 = p->x;
wxCoord y2 = p->y;
wxCoord cx1 = ( x1 + x2 ) / 2;
wxCoord cy1 = ( y1 + y2 ) / 2;
- path.MoveToPoint( LogicalToDeviceX( x1 ) , LogicalToDeviceY( y1 ) );
- path.AddLineToPoint( LogicalToDeviceX( cx1 ) , LogicalToDeviceY( cy1 ) );
-#if !wxUSE_STL
+ path.MoveToPoint( x1 , y1 );
+ path.AddLineToPoint( cx1 , cy1 );
+#if !wxUSE_STD_CONTAINERS
while ((node = node->GetNext()) != NULL)
#else
while ((node = node->GetNext()))
-#endif // !wxUSE_STL
+#endif // !wxUSE_STD_CONTAINERS
{
- p = (wxPoint *)node->GetData();
+ p = node->GetData();
x1 = x2;
y1 = y2;
x2 = p->x;
wxCoord cx4 = (x1 + x2) / 2;
wxCoord cy4 = (y1 + y2) / 2;
- path.AddQuadCurveToPoint(
- LogicalToDeviceX( x1 ) , LogicalToDeviceY( y1 ) ,
- LogicalToDeviceX( cx4 ) , LogicalToDeviceY( cy4 ) );
+ path.AddQuadCurveToPoint(x1 , y1 ,cx4 , cy4 );
cx1 = cx4;
cy1 = cy4;
}
- path.AddLineToPoint( LogicalToDeviceX( x2 ) , LogicalToDeviceY( y2 ) );
+ path.AddLineToPoint( x2 , y2 );
m_graphicContext->StrokePath( path );
}
#endif // wxUSE_SPLINES
-void wxGCDC::DoDrawPolygon( int n, wxPoint points[],
- wxCoord xoffset, wxCoord yoffset,
- int fillStyle )
+void wxGCDCImpl::DoDrawPolygon( int n, const wxPoint points[],
+ wxCoord xoffset, wxCoord yoffset,
+ wxPolygonFillMode fillStyle )
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawPolygon - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawPolygon - invalid DC") );
if ( n <= 0 || (m_brush.GetStyle() == wxTRANSPARENT && m_pen.GetStyle() == wxTRANSPARENT ) )
return;
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
bool closeIt = false;
wxPoint2DDouble* pointsD = new wxPoint2DDouble[n+(closeIt?1:0)];
for( int i = 0; i < n; ++i)
{
- pointsD[i].m_x = LogicalToDeviceX(points[i].x + xoffset);
- pointsD[i].m_y = LogicalToDeviceY(points[i].y + yoffset);
+ pointsD[i].m_x = points[i].x + xoffset;
+ pointsD[i].m_y = points[i].y + yoffset;
}
if ( closeIt )
pointsD[n] = pointsD[0];
delete[] pointsD;
}
-void wxGCDC::DoDrawPolyPolygon(int n,
- int count[],
- wxPoint points[],
+void wxGCDCImpl::DoDrawPolyPolygon(int n,
+ const int count[],
+ const wxPoint points[],
wxCoord xoffset,
wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
wxASSERT(n > 1);
wxGraphicsPath path = m_graphicContext->CreatePath();
for ( int j = 0; j < n; ++j)
{
wxPoint start = points[i];
- path.MoveToPoint(LogicalToDeviceX(start.x+ xoffset), LogicalToDeviceY(start.y+ yoffset));
+ path.MoveToPoint( start.x+ xoffset, start.y+ yoffset);
++i;
int l = count[j];
for ( int k = 1; k < l; ++k)
{
- path.AddLineToPoint( LogicalToDeviceX(points[i].x+ xoffset), LogicalToDeviceY(points[i].y+ yoffset));
+ path.AddLineToPoint( points[i].x+ xoffset, points[i].y+ yoffset);
++i;
}
// close the polygon
if ( start != points[i-1])
- path.AddLineToPoint( LogicalToDeviceX(start.x+ xoffset), LogicalToDeviceY(start.y+ yoffset));
+ path.AddLineToPoint( start.x+ xoffset, start.y+ yoffset);
}
m_graphicContext->DrawPath( path , fillStyle);
}
-void wxGCDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxGCDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawRectangle - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawRectangle - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
- wxCoord ww = m_signX * LogicalToDeviceXRel(width);
- wxCoord hh = m_signY * LogicalToDeviceYRel(height);
-
// CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0)
+ if (w == 0 || h == 0)
return;
- // CMB: handle -ve width and/or height
- if (ww < 0)
- {
- ww = -ww;
- xx = xx - ww;
- }
- if (hh < 0)
- {
- hh = -hh;
- yy = yy - hh;
- }
if ( m_graphicContext->ShouldOffset() )
{
// if we are offsetting the entire rectangle is moved 0.5, so the
// border line gets off by 1
- ww -= 1;
- hh -= 1;
+ w -= 1;
+ h -= 1;
}
- m_graphicContext->DrawRectangle( xx,yy,ww,hh);
+ m_graphicContext->DrawRectangle(x,y,w,h);
}
-void wxGCDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
- wxCoord width, wxCoord height,
+void wxGCDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y,
+ wxCoord w, wxCoord h,
double radius)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawRoundedRectangle - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawRoundedRectangle - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
if (radius < 0.0)
- radius = - radius * ((width < height) ? width : height);
- wxCoord xx = LogicalToDeviceX(x);
- wxCoord yy = LogicalToDeviceY(y);
- wxCoord ww = m_signX * LogicalToDeviceXRel(width);
- wxCoord hh = m_signY * LogicalToDeviceYRel(height);
+ radius = - radius * ((w < h) ? w : h);
// CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0)
+ if (w == 0 || h == 0)
return;
- // CMB: handle -ve width and/or height
- if (ww < 0)
- {
- ww = -ww;
- xx = xx - ww;
- }
- if (hh < 0)
+ if ( m_graphicContext->ShouldOffset() )
{
- hh = -hh;
- yy = yy - hh;
+ // if we are offsetting the entire rectangle is moved 0.5, so the
+ // border line gets off by 1
+ w -= 1;
+ h -= 1;
}
-
- m_graphicContext->DrawRoundedRectangle( xx,yy,ww,hh,radius);
+ m_graphicContext->DrawRoundedRectangle( x,y,w,h,radius);
}
-void wxGCDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
+void wxGCDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawEllipse - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawEllipse - invalid DC") );
- if ( m_logicalFunction != wxCOPY )
- return;
-
- wxDouble xx = LogicalToDeviceX(x);
- wxDouble yy = LogicalToDeviceY(y);
- wxDouble ww = m_signX * LogicalToDeviceXRel(width);
- wxDouble hh = m_signY * LogicalToDeviceYRel(height);
-
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0)
+ if ( !m_logicalFunctionSupported )
return;
- // CMB: handle -ve width and/or height
- if (ww < 0)
- {
- ww = -ww;
- xx = xx - ww;
- }
- if (hh < 0)
+ if ( m_graphicContext->ShouldOffset() )
{
- hh = -hh;
- yy = yy - hh;
+ // if we are offsetting the entire rectangle is moved 0.5, so the
+ // border line gets off by 1
+ w -= 1;
+ h -= 1;
}
-
- m_graphicContext->DrawEllipse(xx,yy,ww,hh);
+ m_graphicContext->DrawEllipse(x,y,w,h);
}
-bool wxGCDC::CanDrawBitmap() const
+bool wxGCDCImpl::CanDrawBitmap() const
{
return true;
}
-bool wxGCDC::DoBlit(
+bool wxGCDCImpl::DoBlit(
wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
- wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool WXUNUSED(useMask),
+ wxDC *source, wxCoord xsrc, wxCoord ysrc,
+ wxRasterOperationMode logical_func , bool useMask,
+ wxCoord xsrcMask, wxCoord ysrcMask )
+{
+ return DoStretchBlit( xdest, ydest, width, height,
+ source, xsrc, ysrc, width, height, logical_func, useMask,
+ xsrcMask,ysrcMask );
+}
+
+bool wxGCDCImpl::DoStretchBlit(
+ wxCoord xdest, wxCoord ydest, wxCoord dstWidth, wxCoord dstHeight,
+ wxDC *source, wxCoord xsrc, wxCoord ysrc, wxCoord srcWidth, wxCoord srcHeight,
+ wxRasterOperationMode logical_func , bool useMask,
wxCoord xsrcMask, wxCoord ysrcMask )
{
- wxCHECK_MSG( Ok(), false, wxT("wxGCDC(cg)::DoBlit - invalid DC") );
- wxCHECK_MSG( source->Ok(), false, wxT("wxGCDC(cg)::DoBlit - invalid source DC") );
+ wxCHECK_MSG( IsOk(), false, wxT("wxGCDC(cg)::DoStretchBlit - invalid DC") );
+ wxCHECK_MSG( source->IsOk(), false, wxT("wxGCDC(cg)::DoStretchBlit - invalid source DC") );
if ( logical_func == wxNO_OP )
return true;
- if (xsrcMask == -1 && ysrcMask == -1)
+ wxCompositionMode mode = TranslateRasterOp(logical_func);
+ if ( mode == wxCOMPOSITION_INVALID )
{
- xsrcMask = xsrc;
- ysrcMask = ysrc;
+ wxFAIL_MSG( wxT("Blitting is not supported with this logical operation.") );
+ return false;
}
- wxCoord yysrc = source-> LogicalToDeviceY(ysrc);
- wxCoord xxsrc = source-> LogicalToDeviceX(xsrc);
- wxCoord wwsrc = source-> LogicalToDeviceXRel(width);
- wxCoord hhsrc = source-> LogicalToDeviceYRel(height);
+ wxRect subrect(source->LogicalToDeviceX(xsrc),
+ source->LogicalToDeviceY(ysrc),
+ source->LogicalToDeviceXRel(srcWidth),
+ source->LogicalToDeviceYRel(srcHeight));
+ const wxRect subrectOrig = subrect;
+ // clip the subrect down to the size of the source DC
+ wxRect clip;
+ source->GetSize(&clip.width, &clip.height);
+ subrect.Intersect(clip);
+ if (subrect.width == 0)
+ return true;
- wxCoord yydest = LogicalToDeviceY(ydest);
- wxCoord xxdest = LogicalToDeviceX(xdest);
- wxCoord wwdest = LogicalToDeviceXRel(width);
- wxCoord hhdest = LogicalToDeviceYRel(height);
+ bool retval = true;
- wxMemoryDC* memdc = wxDynamicCast(source,wxMemoryDC);
- if ( memdc && logical_func == wxCOPY )
+ wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
+ if (m_graphicContext->SetCompositionMode(mode))
{
- wxBitmap blit = memdc->GetSelectedBitmap();
+ wxAntialiasMode formerAa = m_graphicContext->GetAntialiasMode();
+ if (mode == wxCOMPOSITION_XOR)
+ {
+ m_graphicContext->SetAntialiasMode(wxANTIALIAS_NONE);
+ }
- wxASSERT_MSG( blit.Ok() , wxT("Invalid bitmap for blitting") );
+ if (xsrcMask == -1 && ysrcMask == -1)
+ {
+ xsrcMask = xsrc;
+ ysrcMask = ysrc;
+ }
- wxCoord bmpwidth = blit.GetWidth();
- wxCoord bmpheight = blit.GetHeight();
+ wxBitmap blit = source->GetAsBitmap( &subrect );
- if ( xxsrc != 0 || yysrc != 0 || bmpwidth != wwsrc || bmpheight != hhsrc )
+ if ( blit.IsOk() )
{
- wwsrc = wxMin( wwsrc , bmpwidth - xxsrc );
- hhsrc = wxMin( hhsrc , bmpheight - yysrc );
- if ( wwsrc > 0 && hhsrc > 0 )
+ if ( !useMask && blit.GetMask() )
+ blit.SetMask(NULL);
+
+ double x = xdest;
+ double y = ydest;
+ double w = dstWidth;
+ double h = dstHeight;
+ // adjust dest rect if source rect is clipped
+ if (subrect.width != subrectOrig.width || subrect.height != subrectOrig.height)
{
- if ( xxsrc >= 0 && yysrc >= 0 )
- {
- wxRect subrect( xxsrc, yysrc, wwsrc , hhsrc );
- // TODO we perhaps could add a DrawSubBitmap call to dc for performance reasons
- blit = blit.GetSubBitmap( subrect );
- }
- else
- {
- // in this case we'd probably have to adjust the different coordinates, but
- // we have to find out proper contract first
- blit = wxNullBitmap;
- }
- }
- else
- {
- blit = wxNullBitmap;
+ x += (subrect.x - subrectOrig.x) / double(subrectOrig.width) * dstWidth;
+ y += (subrect.y - subrectOrig.y) / double(subrectOrig.height) * dstHeight;
+ w *= double(subrect.width) / subrectOrig.width;
+ h *= double(subrect.height) / subrectOrig.height;
}
+ m_graphicContext->DrawBitmap(blit, x, y, w, h);
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("Cannot Blit. Unable to get contents of DC as bitmap.") );
+ retval = false;
}
- if ( blit.Ok() )
+ if (mode == wxCOMPOSITION_XOR)
{
- m_graphicContext->DrawBitmap( blit, xxdest , yydest , wwdest , hhdest );
+ m_graphicContext->SetAntialiasMode(formerAa);
}
}
- else
- {
- wxFAIL_MSG( wxT("Blitting is only supported from bitmap contexts, and only with wxCOPY logical operation.") );
- return false;
- }
+ // reset composition
+ m_graphicContext->SetCompositionMode(formerMode);
- return true;
+ return retval;
}
-void wxGCDC::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
+void wxGCDCImpl::DoDrawRotatedText(const wxString& str, wxCoord x, wxCoord y,
double angle)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawRotatedText - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawRotatedText - invalid DC") );
- if ( str.length() == 0 )
+ if ( str.empty() )
return;
- if ( m_logicalFunction != wxCOPY )
+ if ( !m_logicalFunctionSupported )
return;
- int drawX = LogicalToDeviceX(x);
- int drawY = LogicalToDeviceY(y);
-
- m_graphicContext->DrawText( str, drawX ,drawY , DegToRad(angle ));
+ if ( m_backgroundMode == wxTRANSPARENT )
+ m_graphicContext->DrawText( str, x ,y , DegToRad(angle ));
+ else
+ m_graphicContext->DrawText( str, x ,y , DegToRad(angle ), m_graphicContext->CreateBrush( wxBrush(m_textBackgroundColour,wxSOLID) ) );
}
-void wxGCDC::DoDrawText(const wxString& str, wxCoord x, wxCoord y)
+void wxGCDCImpl::DoDrawText(const wxString& str, wxCoord x, wxCoord y)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoDrawRotatedText - invalid DC") );
-
- if ( str.length() == 0 )
+ // For compatibility with other ports (notably wxGTK) and because it's
+ // genuinely useful, we allow passing multiline strings to DrawText().
+ // However there is no native OSX function to draw them directly so we
+ // instead reuse the generic DrawLabel() method to render them. Of course,
+ // DrawLabel() itself will call back to us but with single line strings
+ // only so there won't be any infinite recursion here.
+ if ( str.find('\n') != wxString::npos )
+ {
+ GetOwner()->DrawLabel(str, wxRect(x, y, 0, 0));
return;
- if ( m_logicalFunction != wxCOPY )
+ }
+
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoDrawText - invalid DC") );
+
+ if ( str.empty() )
return;
- int drawX = LogicalToDeviceX(x);
- int drawY = LogicalToDeviceY(y);
+ if ( !m_logicalFunctionSupported )
+ return;
- m_graphicContext->DrawText( str, drawX ,drawY);
+ if ( m_backgroundMode == wxTRANSPARENT )
+ m_graphicContext->DrawText( str, x ,y);
+ else
+ m_graphicContext->DrawText( str, x ,y , m_graphicContext->CreateBrush( wxBrush(m_textBackgroundColour,wxSOLID) ) );
}
-bool wxGCDC::CanGetTextExtent() const
+bool wxGCDCImpl::CanGetTextExtent() const
{
- wxCHECK_MSG( Ok(), false, wxT("wxGCDC(cg)::CanGetTextExtent - invalid DC") );
+ wxCHECK_MSG( IsOk(), false, wxT("wxGCDC(cg)::CanGetTextExtent - invalid DC") );
return true;
}
-void wxGCDC::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
+void wxGCDCImpl::DoGetTextExtent( const wxString &str, wxCoord *width, wxCoord *height,
wxCoord *descent, wxCoord *externalLeading ,
- wxFont *theFont ) const
+ const wxFont *theFont ) const
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::DoGetTextExtent - invalid DC") );
+ wxCHECK_RET( m_graphicContext, wxT("wxGCDC(cg)::DoGetTextExtent - invalid DC") );
if ( theFont )
{
m_graphicContext->GetTextExtent( str, &w, &h, &d, &e );
if ( height )
- *height = DeviceToLogicalYRel((wxCoord)h);
+ *height = (wxCoord)(h+0.5);
if ( descent )
- *descent = DeviceToLogicalYRel((wxCoord)d);
+ *descent = (wxCoord)(d+0.5);
if ( externalLeading )
- *externalLeading = DeviceToLogicalYRel((wxCoord)e);
+ *externalLeading = (wxCoord)(e+0.5);
if ( width )
- *width = DeviceToLogicalXRel((wxCoord)w);
+ *width = (wxCoord)(w+0.5);
if ( theFont )
{
}
}
-bool wxGCDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+bool wxGCDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
{
- wxCHECK_MSG( Ok(), false, wxT("wxGCDC(cg)::DoGetPartialTextExtents - invalid DC") );
+ wxCHECK_MSG( m_graphicContext, false, wxT("wxGCDC(cg)::DoGetPartialTextExtents - invalid DC") );
widths.Clear();
widths.Add(0,text.Length());
if ( text.IsEmpty() )
m_graphicContext->GetPartialTextExtents( text, widthsD );
for ( size_t i = 0; i < widths.GetCount(); ++i )
- widths[i] = DeviceToLogicalXRel((wxCoord)(widthsD[i] + 0.5));
+ widths[i] = (wxCoord)(widthsD[i] + 0.5);
return true;
}
-wxCoord wxGCDC::GetCharWidth(void) const
+wxCoord wxGCDCImpl::GetCharWidth(void) const
{
wxCoord width;
DoGetTextExtent( wxT("g") , &width , NULL , NULL , NULL , NULL );
return width;
}
-wxCoord wxGCDC::GetCharHeight(void) const
+wxCoord wxGCDCImpl::GetCharHeight(void) const
{
wxCoord height;
DoGetTextExtent( wxT("g") , NULL , &height , NULL , NULL , NULL );
return height;
}
-void wxGCDC::Clear(void)
+void wxGCDCImpl::Clear(void)
{
- wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::Clear - invalid DC") );
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::Clear - invalid DC") );
// TODO better implementation / incorporate size info into wxGCDC or context
m_graphicContext->SetBrush( m_backgroundBrush );
wxPen p = *wxTRANSPARENT_PEN;
m_graphicContext->SetPen( p );
- DoDrawRectangle( 0, 0, 32000 , 32000 );
- m_graphicContext->SetPen( m_pen );
+ wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
+ m_graphicContext->SetCompositionMode(wxCOMPOSITION_SOURCE);
+ // maximum positive coordinate Cairo can handle is 2^23 - 1
+ DoDrawRectangle(
+ DeviceToLogicalX(0), DeviceToLogicalY(0),
+ DeviceToLogicalXRel(0x007fffff), DeviceToLogicalYRel(0x007fffff));
+ m_graphicContext->SetCompositionMode(formerMode);
+ m_graphicContext->SetPen( m_pen );
m_graphicContext->SetBrush( m_brush );
}
-void wxGCDC::DoGetSize(int *width, int *height) const
+void wxGCDCImpl::DoGetSize(int *width, int *height) const
{
- *width = 1000;
- *height = 1000;
+ wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::DoGetSize - invalid DC") );
+ wxDouble w,h;
+ m_graphicContext->GetSize( &w, &h );
+ if ( height )
+ *height = (int) (h+0.5);
+ if ( width )
+ *width = (int) (w+0.5);
}
-void wxGCDC::DoGradientFillLinear(const wxRect& rect,
+void wxGCDCImpl::DoGradientFillLinear(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
wxDirection nDirection )
break;
}
- m_graphicContext->SetBrush( m_graphicContext->CreateLinearGradientBrush(
- LogicalToDeviceX(start.x),LogicalToDeviceY(start.y),
- LogicalToDeviceX(end.x),LogicalToDeviceY(end.y), initialColour, destColour));
-
- wxDouble xx = LogicalToDeviceX(rect.x);
- wxDouble yy = LogicalToDeviceY(rect.y);
- wxDouble ww = m_signX * LogicalToDeviceXRel(rect.width);
- wxDouble hh = m_signY * LogicalToDeviceYRel(rect.height);
-
- if (ww == 0 || hh == 0)
+ if (rect.width == 0 || rect.height == 0)
return;
- if (ww < 0)
- {
- ww = -ww;
- xx = xx - ww;
- }
- if (hh < 0)
- {
- hh = -hh;
- yy = yy - hh;
- }
-
+ m_graphicContext->SetBrush( m_graphicContext->CreateLinearGradientBrush(
+ start.x,start.y,end.x,end.y, initialColour, destColour));
m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
- m_graphicContext->DrawRectangle(xx,yy,ww,hh);
+ m_graphicContext->DrawRectangle(rect.x,rect.y,rect.width,rect.height);
m_graphicContext->SetPen(m_pen);
+ m_graphicContext->SetBrush(m_brush);
}
-void wxGCDC::DoGradientFillConcentric(const wxRect& rect,
+void wxGCDCImpl::DoGradientFillConcentric(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
const wxPoint& circleCenter)
else
nRadius = cy;
- wxDouble xx = LogicalToDeviceX(rect.x);
- wxDouble yy = LogicalToDeviceY(rect.y);
- wxDouble ww = m_signX * LogicalToDeviceXRel(rect.width);
- wxDouble hh = m_signY * LogicalToDeviceYRel(rect.height);
-
- if (ww == 0 || hh == 0)
- return;
-
- if (ww < 0)
- {
- ww = -ww;
- xx = xx - ww;
- }
- if (hh < 0)
- {
- hh = -hh;
- yy = yy - hh;
- }
-
+ // make sure the background is filled (todo move into specific platform implementation ?)
m_graphicContext->SetPen(*wxTRANSPARENT_PEN);
m_graphicContext->SetBrush( wxBrush( destColour) );
- m_graphicContext->DrawRectangle( xx,yy,ww,hh);
+ m_graphicContext->DrawRectangle(rect.x,rect.y,rect.width,rect.height);
m_graphicContext->SetBrush( m_graphicContext->CreateRadialGradientBrush(
- xx+LogicalToDeviceX(circleCenter.x),yy+LogicalToDeviceY(circleCenter.y),
- xx+LogicalToDeviceX(circleCenter.x),yy+LogicalToDeviceY(circleCenter.y),
- LogicalToDeviceXRel(nRadius),
- initialColour,destColour));
+ rect.x+circleCenter.x,rect.y+circleCenter.y,
+ rect.x+circleCenter.x,rect.y+circleCenter.y,
+ nRadius,initialColour,destColour));
- m_graphicContext->DrawRectangle( xx,yy,ww,hh);
+ m_graphicContext->DrawRectangle(rect.x,rect.y,rect.width,rect.height);
m_graphicContext->SetPen(m_pen);
+ m_graphicContext->SetBrush(m_brush);
}
-void wxGCDC::DoDrawCheckMark(wxCoord x, wxCoord y,
+void wxGCDCImpl::DoDrawCheckMark(wxCoord x, wxCoord y,
wxCoord width, wxCoord height)
{
- wxDCBase::DoDrawCheckMark(x,y,width,height);
+ wxDCImpl::DoDrawCheckMark(x,y,width,height);
+}
+
+#ifdef __WXMSW__
+wxRect wxGCDCImpl::MSWApplyGDIPlusTransform(const wxRect& r) const
+{
+ wxGraphicsContext* const gc = GetGraphicsContext();
+ wxCHECK_MSG( gc, r, wxT("Invalid wxGCDC") );
+
+ double x = 0,
+ y = 0;
+ gc->GetTransform().TransformPoint(&x, &y);
+
+ wxRect rect(r);
+ rect.Offset(x, y);
+
+ return rect;
}
+#endif // __WXMSW__
#endif // wxUSE_GRAPHICS_CONTEXT
projects / wxWidgets.git / blobdiff