#endif
#include "wx/dc.h"
+#include "wx/dcclient.h"
+#include "wx/dcmemory.h"
+#include "wx/dcscreen.h"
+#include "wx/dcprint.h"
+#include "wx/prntbase.h"
+#include "wx/scopeguard.h"
#ifndef WX_PRECOMP
#include "wx/math.h"
+ #include "wx/module.h"
+ #include "wx/window.h"
#endif
-// bool wxDCBase::sm_cacheing = false;
+#ifdef __WXMSW__
+ #include "wx/msw/dcclient.h"
+ #include "wx/msw/dcmemory.h"
+ #include "wx/msw/dcscreen.h"
+#endif
-IMPLEMENT_ABSTRACT_CLASS(wxDCBase, wxObject)
+#ifdef __WXGTK20__
+ #include "wx/gtk/dcclient.h"
+ #include "wx/gtk/dcmemory.h"
+ #include "wx/gtk/dcscreen.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk1/dcclient.h"
+ #include "wx/gtk1/dcmemory.h"
+ #include "wx/gtk1/dcscreen.h"
+#endif
-// ============================================================================
-// implementation
-// ============================================================================
+#ifdef __WXMAC__
+ #include "wx/osx/dcclient.h"
+ #include "wx/osx/dcmemory.h"
+ #include "wx/osx/dcscreen.h"
+#endif
+
+#ifdef __WXPM__
+ #include "wx/os2/dcclient.h"
+ #include "wx/os2/dcmemory.h"
+ #include "wx/os2/dcscreen.h"
+#endif
+
+#ifdef __WXCOCOA__
+ #include "wx/cocoa/dcclient.h"
+ #include "wx/cocoa/dcmemory.h"
+ #include "wx/cocoa/dcscreen.h"
+#endif
+
+#ifdef __WXMOTIF__
+ #include "wx/motif/dcclient.h"
+ #include "wx/motif/dcmemory.h"
+ #include "wx/motif/dcscreen.h"
+#endif
-#if WXWIN_COMPATIBILITY_2_6
-void wxDCBase::BeginDrawing()
+#ifdef __WXX11__
+ #include "wx/x11/dcclient.h"
+ #include "wx/x11/dcmemory.h"
+ #include "wx/x11/dcscreen.h"
+#endif
+
+#ifdef __WXDFB__
+ #include "wx/dfb/dcclient.h"
+ #include "wx/dfb/dcmemory.h"
+ #include "wx/dfb/dcscreen.h"
+#endif
+
+//----------------------------------------------------------------------------
+// wxDCFactory
+//----------------------------------------------------------------------------
+
+wxDCFactory *wxDCFactory::m_factory = NULL;
+
+void wxDCFactory::Set(wxDCFactory *factory)
{
+ delete m_factory;
+
+ m_factory = factory;
}
-void wxDCBase::EndDrawing()
+wxDCFactory *wxDCFactory::Get()
+{
+ if ( !m_factory )
+ m_factory = new wxNativeDCFactory;
+
+ return m_factory;
+}
+
+class wxDCFactoryCleanupModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { wxDCFactory::Set(NULL); }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxDCFactoryCleanupModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDCFactoryCleanupModule, wxModule)
+
+//-----------------------------------------------------------------------------
+// wxNativeDCFactory
+//-----------------------------------------------------------------------------
+
+wxDCImpl* wxNativeDCFactory::CreateWindowDC( wxWindowDC *owner, wxWindow *window )
+{
+ wxDCImpl * const impl = new wxWindowDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
+}
+
+wxDCImpl* wxNativeDCFactory::CreateClientDC( wxClientDC *owner, wxWindow *window )
+{
+ wxDCImpl * const impl = new wxClientDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
+}
+
+wxDCImpl* wxNativeDCFactory::CreatePaintDC( wxPaintDC *owner, wxWindow *window )
+{
+ wxDCImpl * const impl = new wxPaintDCImpl( owner, window );
+ impl->InheritAttributes(window);
+ return impl;
+}
+
+wxDCImpl* wxNativeDCFactory::CreateMemoryDC( wxMemoryDC *owner )
+{
+ return new wxMemoryDCImpl( owner );
+}
+
+wxDCImpl* wxNativeDCFactory::CreateMemoryDC(wxMemoryDC *owner, wxBitmap& bitmap)
+{
+ // the bitmap may be modified when it's selected into a memory DC so make
+ // sure changing this bitmap doesn't affect any other shallow copies of it
+ // (see wxMemoryDC::SelectObject())
+ //
+ // notice that we don't provide any ctor equivalent to SelectObjectAsSource
+ // method because this should be rarely needed and easy to work around by
+ // using the default ctor and calling SelectObjectAsSource itself
+ if ( bitmap.IsOk() )
+ bitmap.UnShare();
+
+ return new wxMemoryDCImpl(owner, bitmap);
+}
+
+wxDCImpl* wxNativeDCFactory::CreateMemoryDC( wxMemoryDC *owner, wxDC *dc )
+{
+ return new wxMemoryDCImpl( owner, dc );
+}
+
+wxDCImpl* wxNativeDCFactory::CreateScreenDC( wxScreenDC *owner )
+{
+ return new wxScreenDCImpl( owner );
+}
+
+#if wxUSE_PRINTING_ARCHITECTURE
+wxDCImpl *wxNativeDCFactory::CreatePrinterDC( wxPrinterDC *owner, const wxPrintData &data )
+{
+ wxPrintFactory *factory = wxPrintFactory::GetFactory();
+ return factory->CreatePrinterDCImpl( owner, data );
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// wxWindowDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDC, wxDC)
+
+wxWindowDC::wxWindowDC(wxWindow *win)
+ : wxDC(wxDCFactory::Get()->CreateWindowDC(this, win))
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxClientDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxClientDC, wxWindowDC)
+
+wxClientDC::wxClientDC(wxWindow *win)
+ : wxWindowDC(wxDCFactory::Get()->CreateClientDC(this, win))
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxMemoryDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
+
+wxMemoryDC::wxMemoryDC()
+ : wxDC(wxDCFactory::Get()->CreateMemoryDC(this))
+{
+}
+
+wxMemoryDC::wxMemoryDC(wxBitmap& bitmap)
+ : wxDC(wxDCFactory::Get()->CreateMemoryDC(this, bitmap))
+{
+}
+
+wxMemoryDC::wxMemoryDC(wxDC *dc)
+ : wxDC(wxDCFactory::Get()->CreateMemoryDC(this, dc))
+{
+}
+
+void wxMemoryDC::SelectObject(wxBitmap& bmp)
+{
+ if ( bmp.IsSameAs(GetSelectedBitmap()) )
+ {
+ // Nothing to do, this bitmap is already selected.
+ return;
+ }
+
+ // make sure that the given wxBitmap is not sharing its data with other
+ // wxBitmap instances as its contents will be modified by any drawing
+ // operation done on this DC
+ if (bmp.IsOk())
+ bmp.UnShare();
+
+ GetImpl()->DoSelect(bmp);
+}
+
+void wxMemoryDC::SelectObjectAsSource(const wxBitmap& bmp)
+{
+ GetImpl()->DoSelect(bmp);
+}
+
+const wxBitmap& wxMemoryDC::GetSelectedBitmap() const
+{
+ return GetImpl()->GetSelectedBitmap();
+}
+
+wxBitmap& wxMemoryDC::GetSelectedBitmap()
+{
+ return GetImpl()->GetSelectedBitmap();
+}
+
+
+//-----------------------------------------------------------------------------
+// wxPaintDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDC, wxClientDC)
+
+wxPaintDC::wxPaintDC(wxWindow *win)
+ : wxClientDC(wxDCFactory::Get()->CreatePaintDC(this, win))
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxScreenDC
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
+
+wxScreenDC::wxScreenDC()
+ : wxDC(wxDCFactory::Get()->CreateScreenDC(this))
+{
+}
+
+//-----------------------------------------------------------------------------
+// wxPrinterDC
+//-----------------------------------------------------------------------------
+
+#if wxUSE_PRINTING_ARCHITECTURE
+
+IMPLEMENT_DYNAMIC_CLASS(wxPrinterDC, wxDC)
+
+wxPrinterDC::wxPrinterDC()
+ : wxDC(wxDCFactory::Get()->CreatePrinterDC(this, wxPrintData()))
+{
+}
+
+wxPrinterDC::wxPrinterDC(const wxPrintData& data)
+ : wxDC(wxDCFactory::Get()->CreatePrinterDC(this, data))
+{
+}
+
+wxRect wxPrinterDC::GetPaperRect() const
+{
+ return GetImpl()->GetPaperRect();
+}
+
+int wxPrinterDC::GetResolution() const
+{
+ return GetImpl()->GetResolution();
+}
+
+#endif // wxUSE_PRINTING_ARCHITECTURE
+
+//-----------------------------------------------------------------------------
+// wxDCImpl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDCImpl, wxObject)
+
+wxDCImpl::wxDCImpl( wxDC *owner )
+ : m_window(NULL)
+ , m_colour(wxColourDisplay())
+ , m_ok(true)
+ , m_clipping(false)
+ , m_isInteractive(0)
+ , m_isBBoxValid(false)
+ , m_logicalOriginX(0), m_logicalOriginY(0)
+ , m_deviceOriginX(0), m_deviceOriginY(0)
+ , m_deviceLocalOriginX(0), m_deviceLocalOriginY(0)
+ , m_logicalScaleX(1.0), m_logicalScaleY(1.0)
+ , m_userScaleX(1.0), m_userScaleY(1.0)
+ , m_scaleX(1.0), m_scaleY(1.0)
+ , m_signX(1), m_signY(1)
+ , m_minX(0), m_minY(0), m_maxX(0), m_maxY(0)
+ , m_clipX1(0), m_clipY1(0), m_clipX2(0), m_clipY2(0)
+ , m_logicalFunction(wxCOPY)
+ , m_backgroundMode(wxBRUSHSTYLE_TRANSPARENT)
+ , m_mappingMode(wxMM_TEXT)
+ , m_pen()
+ , m_brush()
+ , m_backgroundBrush()
+ , m_textForegroundColour(*wxBLACK)
+ , m_textBackgroundColour(*wxWHITE)
+ , m_font()
+#if wxUSE_PALETTE
+ , m_palette()
+ , m_hasCustomPalette(false)
+#endif // wxUSE_PALETTE
+{
+ m_owner = owner;
+
+ m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() /
+ (double)wxGetDisplaySizeMM().GetWidth();
+ m_mm_to_pix_y = (double)wxGetDisplaySize().GetHeight() /
+ (double)wxGetDisplaySizeMM().GetHeight();
+
+ ResetBoundingBox();
+ ResetClipping();
+}
+
+wxDCImpl::~wxDCImpl()
{
}
-#endif // WXWIN_COMPATIBILITY_2_6
// ----------------------------------------------------------------------------
-// special symbols
+// coordinate conversions and transforms
// ----------------------------------------------------------------------------
-void wxDCBase::DoDrawCheckMark(wxCoord x1, wxCoord y1,
+wxCoord wxDCImpl::DeviceToLogicalX(wxCoord x) const
+{
+ return wxRound( (double)((x - m_deviceOriginX - m_deviceLocalOriginX) * m_signX) / m_scaleX ) + m_logicalOriginX ;
+}
+
+wxCoord wxDCImpl::DeviceToLogicalY(wxCoord y) const
+{
+ return wxRound( (double)((y - m_deviceOriginY - m_deviceLocalOriginY) * m_signY) / m_scaleY ) + m_logicalOriginY ;
+}
+
+wxCoord wxDCImpl::DeviceToLogicalXRel(wxCoord x) const
+{
+ return wxRound((double)(x) / m_scaleX);
+}
+
+wxCoord wxDCImpl::DeviceToLogicalYRel(wxCoord y) const
+{
+ return wxRound((double)(y) / m_scaleY);
+}
+
+wxCoord wxDCImpl::LogicalToDeviceX(wxCoord x) const
+{
+ return wxRound( (double)((x - m_logicalOriginX) * m_signX) * m_scaleX) + m_deviceOriginX + m_deviceLocalOriginX;
+}
+
+wxCoord wxDCImpl::LogicalToDeviceY(wxCoord y) const
+{
+ return wxRound( (double)((y - m_logicalOriginY) * m_signY) * m_scaleY) + m_deviceOriginY + m_deviceLocalOriginY;
+}
+
+wxCoord wxDCImpl::LogicalToDeviceXRel(wxCoord x) const
+{
+ return wxRound((double)(x) * m_scaleX);
+}
+
+wxCoord wxDCImpl::LogicalToDeviceYRel(wxCoord y) const
+{
+ return wxRound((double)(y) * m_scaleY);
+}
+
+void wxDCImpl::ComputeScaleAndOrigin()
+{
+ m_scaleX = m_logicalScaleX * m_userScaleX;
+ m_scaleY = m_logicalScaleY * m_userScaleY;
+}
+
+void wxDCImpl::SetMapMode( wxMappingMode 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;
+ default:
+ case wxMM_TEXT:
+ SetLogicalScale( 1.0, 1.0 );
+ break;
+ }
+ m_mappingMode = mode;
+}
+
+void wxDCImpl::SetUserScale( double x, double y )
+{
+ // allow negative ? -> no
+ m_userScaleX = x;
+ m_userScaleY = y;
+ ComputeScaleAndOrigin();
+}
+
+void wxDCImpl::SetLogicalScale( double x, double y )
+{
+ // allow negative ?
+ m_logicalScaleX = x;
+ m_logicalScaleY = y;
+ ComputeScaleAndOrigin();
+}
+
+void wxDCImpl::SetLogicalOrigin( wxCoord x, wxCoord y )
+{
+ m_logicalOriginX = x * m_signX;
+ m_logicalOriginY = y * m_signY;
+ ComputeScaleAndOrigin();
+}
+
+void wxDCImpl::SetDeviceOrigin( wxCoord x, wxCoord y )
+{
+ m_deviceOriginX = x;
+ m_deviceOriginY = y;
+ ComputeScaleAndOrigin();
+}
+
+void wxDCImpl::SetDeviceLocalOrigin( wxCoord x, wxCoord y )
+{
+ m_deviceLocalOriginX = x;
+ m_deviceLocalOriginY = y;
+ ComputeScaleAndOrigin();
+}
+
+void wxDCImpl::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
+{
+ // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there
+ // wxWidgets 2.9: no longer override it
+ m_signX = (xLeftRight ? 1 : -1);
+ m_signY = (yBottomUp ? -1 : 1);
+ ComputeScaleAndOrigin();
+}
+
+
+// Each element of the widths array will be the width of the string up to and
+// including the corresponding character in text. This is the generic
+// implementation, the port-specific classes should do this with native APIs
+// if available and if faster. Note: pango_layout_index_to_pos is much slower
+// than calling GetTextExtent!!
+
+#define FWC_SIZE 256
+
+class FontWidthCache
+{
+public:
+ FontWidthCache() : m_scaleX(1), m_widths(NULL) { }
+ ~FontWidthCache() { delete []m_widths; }
+
+ void Reset()
+ {
+ if (!m_widths)
+ m_widths = new int[FWC_SIZE];
+
+ memset(m_widths, 0, sizeof(int)*FWC_SIZE);
+ }
+
+ wxFont m_font;
+ double m_scaleX;
+ int *m_widths;
+};
+
+static FontWidthCache s_fontWidthCache;
+
+bool wxDCImpl::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
+{
+ int totalWidth = 0;
+
+ const size_t len = text.length();
+ widths.Empty();
+ widths.Add(0, len);
+
+ // reset the cache if font or horizontal scale have changed
+ if ( !s_fontWidthCache.m_widths ||
+ !wxIsSameDouble(s_fontWidthCache.m_scaleX, m_scaleX) ||
+ (s_fontWidthCache.m_font != GetFont()) )
+ {
+ s_fontWidthCache.Reset();
+ s_fontWidthCache.m_font = GetFont();
+ s_fontWidthCache.m_scaleX = m_scaleX;
+ }
+
+ // Calculate the position of each character based on the widths of
+ // the previous characters
+ int w, h;
+ for ( size_t i = 0; i < len; i++ )
+ {
+ const wxChar c = text[i];
+ unsigned int c_int = (unsigned int)c;
+
+ if ((c_int < FWC_SIZE) && (s_fontWidthCache.m_widths[c_int] != 0))
+ {
+ w = s_fontWidthCache.m_widths[c_int];
+ }
+ else
+ {
+ DoGetTextExtent(c, &w, &h);
+ if (c_int < FWC_SIZE)
+ s_fontWidthCache.m_widths[c_int] = w;
+ }
+
+ totalWidth += w;
+ widths[i] = totalWidth;
+ }
+
+ return true;
+}
+
+void wxDCImpl::GetMultiLineTextExtent(const wxString& text,
+ wxCoord *x,
+ wxCoord *y,
+ wxCoord *h,
+ const wxFont *font) const
+{
+ wxCoord widthTextMax = 0, widthLine,
+ heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
+
+ wxString curLine;
+ for ( wxString::const_iterator pc = text.begin(); ; ++pc )
+ {
+ if ( pc == text.end() || *pc == wxT('\n') )
+ {
+ if ( curLine.empty() )
+ {
+ // we can't use GetTextExtent - it will return 0 for both width
+ // and height and an empty line should count in height
+ // calculation
+
+ // assume that this line has the same height as the previous
+ // one
+ if ( !heightLineDefault )
+ heightLineDefault = heightLine;
+
+ if ( !heightLineDefault )
+ {
+ // but we don't know it yet - choose something reasonable
+ DoGetTextExtent(wxT("W"), NULL, &heightLineDefault,
+ NULL, NULL, font);
+ }
+
+ heightTextTotal += heightLineDefault;
+ }
+ else
+ {
+ DoGetTextExtent(curLine, &widthLine, &heightLine,
+ NULL, NULL, font);
+ if ( widthLine > widthTextMax )
+ widthTextMax = widthLine;
+ heightTextTotal += heightLine;
+ }
+
+ if ( pc == text.end() )
+ {
+ break;
+ }
+ else // '\n'
+ {
+ curLine.clear();
+ }
+ }
+ else
+ {
+ curLine += *pc;
+ }
+ }
+
+ if ( x )
+ *x = widthTextMax;
+ if ( y )
+ *y = heightTextTotal;
+ if ( h )
+ *h = heightLine;
+}
+
+void wxDCImpl::DoDrawCheckMark(wxCoord x1, wxCoord y1,
wxCoord width, wxCoord height)
{
- wxCHECK_RET( Ok(), wxT("invalid window dc") );
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
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( *m_owner, 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
CalcBoundingBox(x2, y2);
}
-// ----------------------------------------------------------------------------
-// line/polygons
-// ----------------------------------------------------------------------------
+bool
+wxDCImpl::DoStretchBlit(wxCoord xdest, wxCoord ydest,
+ wxCoord dstWidth, wxCoord dstHeight,
+ wxDC *source,
+ wxCoord xsrc, wxCoord ysrc,
+ wxCoord srcWidth, wxCoord srcHeight,
+ wxRasterOperationMode rop,
+ bool useMask,
+ wxCoord xsrcMask,
+ wxCoord ysrcMask)
+{
+ wxCHECK_MSG( srcWidth && srcHeight && dstWidth && dstHeight, false,
+ wxT("invalid blit size") );
+
+ // emulate the stretching by modifying the DC scale
+ double xscale = (double)srcWidth/dstWidth,
+ yscale = (double)srcHeight/dstHeight;
+
+ double xscaleOld, yscaleOld;
+ GetUserScale(&xscaleOld, &yscaleOld);
+ SetUserScale(xscaleOld/xscale, yscaleOld/yscale);
-void wxDCBase::DrawLines(const wxList *list, wxCoord xoffset, wxCoord yoffset)
+ bool rc = DoBlit(wxCoord(xdest*xscale), wxCoord(ydest*yscale),
+ wxCoord(dstWidth*xscale), wxCoord(dstHeight*yscale),
+ source,
+ xsrc, ysrc, rop, useMask, xsrcMask, ysrcMask);
+
+ SetUserScale(xscaleOld, yscaleOld);
+
+ return rc;
+}
+
+void wxDCImpl::DrawLines(const wxPointList *list, wxCoord xoffset, wxCoord yoffset)
{
int n = list->GetCount();
wxPoint *points = new wxPoint[n];
int i = 0;
- for ( wxList::compatibility_iterator node = list->GetFirst(); node; node = node->GetNext(), i++ )
+ for ( wxPointList::compatibility_iterator node = list->GetFirst(); node; node = node->GetNext(), i++ )
{
- wxPoint *point = (wxPoint *)node->GetData();
+ wxPoint *point = node->GetData();
points[i].x = point->x;
points[i].y = point->y;
}
delete [] points;
}
-
-void wxDCBase::DrawPolygon(const wxList *list,
+void wxDCImpl::DrawPolygon(const wxPointList *list,
wxCoord xoffset, wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
int n = list->GetCount();
wxPoint *points = new wxPoint[n];
int i = 0;
- for ( wxList::compatibility_iterator node = list->GetFirst(); node; node = node->GetNext(), i++ )
+ for ( wxPointList::compatibility_iterator node = list->GetFirst(); node; node = node->GetNext(), i++ )
{
- wxPoint *point = (wxPoint *)node->GetData();
+ wxPoint *point = node->GetData();
points[i].x = point->x;
points[i].y = point->y;
}
}
void
-wxDCBase::DoDrawPolyPolygon(int n,
+wxDCImpl::DoDrawPolyPolygon(int n,
int count[],
wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
- int fillStyle)
+ wxPolygonFillMode fillStyle)
{
if ( n == 1 )
{
int i, j, lastOfs;
wxPoint* pts;
- wxPen pen;
for (i = j = lastOfs = 0; i < n; i++)
{
pts[j++] = pts[lastOfs];
}
- pen = GetPen();
- SetPen(wxPen(*wxBLACK, 0, wxTRANSPARENT));
- DoDrawPolygon(j, pts, xoffset, yoffset, fillStyle);
- SetPen(pen);
+ {
+ wxDCPenChanger setTransp(*m_owner, *wxTRANSPARENT_PEN);
+ DoDrawPolygon(j, pts, xoffset, yoffset, fillStyle);
+ }
+
for (i = j = 0; i < n; i++)
{
DoDrawLines(count[i], pts+j, xoffset, yoffset);
delete[] pts;
}
-// ----------------------------------------------------------------------------
-// splines
-// ----------------------------------------------------------------------------
-
#if wxUSE_SPLINES
-// TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?)
-void wxDCBase::DrawSpline(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord x3, wxCoord y3)
+void wxDCImpl::DrawSpline(wxCoord x1, wxCoord y1,
+ wxCoord x2, wxCoord y2,
+ wxCoord x3, wxCoord y3)
{
- wxList point_list;
-
- wxPoint *point1 = new wxPoint;
- point1->x = x1; point1->y = y1;
- point_list.Append((wxObject*)point1);
-
- wxPoint *point2 = new wxPoint;
- point2->x = x2; point2->y = y2;
- point_list.Append((wxObject*)point2);
-
- wxPoint *point3 = new wxPoint;
- point3->x = x3; point3->y = y3;
- point_list.Append((wxObject*)point3);
-
- DrawSpline(&point_list);
-
- for( wxList::compatibility_iterator node = point_list.GetFirst(); node; node = node->GetNext() )
- {
- wxPoint *p = (wxPoint *)node->GetData();
- delete p;
- }
+ wxPoint points[] = { wxPoint(x1, y1), wxPoint(x2, y2), wxPoint(x3, y3) };
+ DrawSpline(WXSIZEOF(points), points);
}
-void wxDCBase::DrawSpline(int n, wxPoint points[])
+void wxDCImpl::DrawSpline(int n, wxPoint points[])
{
- wxList list;
- for (int i =0; i < n; i++)
- {
- list.Append((wxObject*)&points[i]);
- }
+ wxPointList list;
+ for ( int i = 0; i < n; i++ )
+ list.Append(&points[i]);
DrawSpline(&list);
}
void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3,
double x4, double y4);
static bool wx_spline_add_point(double x, double y);
-static void wx_spline_draw_point_array(wxDCBase *dc);
+static void wx_spline_draw_point_array(wxDC *dc);
-wxList wx_spline_point_list;
+static wxPointList wx_spline_point_list;
#define half(z1, z2) ((z1+z2)/2.0)
#define THRESHOLD 5
static bool wx_spline_add_point(double x, double y)
{
- wxPoint *point = new wxPoint ;
- point->x = (int) x;
- point->y = (int) y;
- wx_spline_point_list.Append((wxObject*)point);
- return true;
+ wxPoint *point = new wxPoint( wxRound(x), wxRound(y) );
+ wx_spline_point_list.Append(point );
+ return true;
}
-static void wx_spline_draw_point_array(wxDCBase *dc)
+static void wx_spline_draw_point_array(wxDC *dc)
{
- dc->DrawLines(&wx_spline_point_list, 0, 0 );
- wxList::compatibility_iterator node = wx_spline_point_list.GetFirst();
- while (node)
- {
- wxPoint *point = (wxPoint *)node->GetData();
- delete point;
- wx_spline_point_list.Erase(node);
- node = wx_spline_point_list.GetFirst();
- }
+ dc->DrawLines(&wx_spline_point_list, 0, 0 );
+ wxPointList::compatibility_iterator node = wx_spline_point_list.GetFirst();
+ while (node)
+ {
+ wxPoint *point = node->GetData();
+ delete point;
+ wx_spline_point_list.Erase(node);
+ node = wx_spline_point_list.GetFirst();
+ }
}
-void wxDCBase::DoDrawSpline( wxList *points )
+void wxDCImpl::DoDrawSpline( const wxPointList *points )
{
- wxCHECK_RET( Ok(), wxT("invalid window dc") );
+ wxCHECK_RET( IsOk(), wxT("invalid window dc") );
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
double x1, y1, x2, y2;
- wxList::compatibility_iterator node = points->GetFirst();
- if (node == wxList::compatibility_iterator())
+ wxPointList::compatibility_iterator node = points->GetFirst();
+ if (!node)
// empty list
return;
y1 = p->y;
node = node->GetNext();
- p = (wxPoint *)node->GetData();
+ p = node->GetData();
x2 = p->x;
y2 = p->y;
wx_spline_add_point(x1, y1);
while ((node = node->GetNext())
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
!= NULL
-#endif // !wxUSE_STL
+#endif // !wxUSE_STD_CONTAINERS
)
{
- p = (wxPoint *)node->GetData();
+ p = node->GetData();
x1 = x2;
y1 = y2;
x2 = p->x;
cx3 = (double)(x1 + cx4) / 2;
cy3 = (double)(y1 + cy4) / 2;
- wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
+ wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4);
+
+ cx1 = cx4;
+ cy1 = cy4;
+ cx2 = (double)(cx1 + x2) / 2;
+ cy2 = (double)(cy1 + y2) / 2;
+ }
+
+ wx_spline_add_point( cx1, cy1 );
+ wx_spline_add_point( x2, y2 );
+
+ wx_spline_draw_point_array( m_owner );
+}
+
+#endif // wxUSE_SPLINES
+
+
+
+void wxDCImpl::DoGradientFillLinear(const wxRect& rect,
+ const wxColour& initialColour,
+ const wxColour& destColour,
+ wxDirection nDirection)
+{
+ // save old pen
+ wxPen oldPen = m_pen;
+ 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 )
+ {
+ wxInt32 x = rect.GetWidth();
+ wxInt32 w = x; // width of area to shade
+ wxInt32 xDelta = w/256; // height of one shade bend
+ if (xDelta < 1)
+ xDelta = 1;
+
+ while (x >= xDelta)
+ {
+ x -= xDelta;
+ if (nR1 > nR2)
+ nR = nR1 - (nR1-nR2)*(w-x)/w;
+ else
+ nR = nR1 + (nR2-nR1)*(w-x)/w;
+
+ if (nG1 > nG2)
+ nG = nG1 - (nG1-nG2)*(w-x)/w;
+ else
+ nG = nG1 + (nG2-nG1)*(w-x)/w;
+
+ if (nB1 > nB2)
+ nB = nB1 - (nB1-nB2)*(w-x)/w;
+ else
+ nB = nB1 + (nB2-nB1)*(w-x)/w;
+
+ wxColour colour(nR,nG,nB);
+ SetPen(wxPen(colour, 1, wxPENSTYLE_SOLID));
+ SetBrush(wxBrush(colour));
+ if(nDirection == wxEAST)
+ DoDrawRectangle(rect.GetRight()-x-xDelta+1, rect.GetTop(),
+ xDelta, rect.GetHeight());
+ else //nDirection == wxWEST
+ DoDrawRectangle(rect.GetLeft()+x, rect.GetTop(),
+ xDelta, rect.GetHeight());
+ }
+ }
+ else // nDirection == wxNORTH || nDirection == wxSOUTH
+ {
+ wxInt32 y = rect.GetHeight();
+ wxInt32 w = y; // height of area to shade
+ wxInt32 yDelta = w/255; // height of one shade bend
+ if (yDelta < 1)
+ yDelta = 1;
+
+ while (y > 0)
+ {
+ y -= yDelta;
+ if (nR1 > nR2)
+ nR = nR1 - (nR1-nR2)*(w-y)/w;
+ else
+ nR = nR1 + (nR2-nR1)*(w-y)/w;
- cx1 = cx4;
- cy1 = cy4;
- cx2 = (double)(cx1 + x2) / 2;
- cy2 = (double)(cy1 + y2) / 2;
- }
+ if (nG1 > nG2)
+ nG = nG1 - (nG1-nG2)*(w-y)/w;
+ else
+ nG = nG1 + (nG2-nG1)*(w-y)/w;
- wx_spline_add_point( cx1, cy1 );
- wx_spline_add_point( x2, y2 );
+ if (nB1 > nB2)
+ nB = nB1 - (nB1-nB2)*(w-y)/w;
+ else
+ nB = nB1 + (nB2-nB1)*(w-y)/w;
+
+ wxColour colour(nR,nG,nB);
+ SetPen(wxPen(colour, 1, wxPENSTYLE_SOLID));
+ SetBrush(wxBrush(colour));
+ if(nDirection == wxNORTH)
+ DoDrawRectangle(rect.GetLeft(), rect.GetTop()+y,
+ rect.GetWidth(), yDelta);
+ else //nDirection == wxSOUTH
+ DoDrawRectangle(rect.GetLeft(), rect.GetBottom()-y-yDelta+1,
+ rect.GetWidth(), yDelta);
+ }
+ }
- wx_spline_draw_point_array( this );
+ SetPen(oldPen);
+ SetBrush(oldBrush);
}
-#endif // wxUSE_SPLINES
+void wxDCImpl::DoGradientFillConcentric(const wxRect& rect,
+ const wxColour& initialColour,
+ const wxColour& destColour,
+ const wxPoint& circleCenter)
+{
+ // save the old pen and ensure it is restored on exit
+ const wxPen penOrig = m_pen;
+ wxON_BLOCK_EXIT_SET(m_pen, penOrig);
-// ----------------------------------------------------------------------------
-// Partial Text Extents
-// ----------------------------------------------------------------------------
+ wxUint8 nR1 = destColour.Red();
+ wxUint8 nG1 = destColour.Green();
+ wxUint8 nB1 = destColour.Blue();
+ wxUint8 nR2 = initialColour.Red();
+ wxUint8 nG2 = initialColour.Green();
+ wxUint8 nB2 = initialColour.Blue();
+ wxUint8 nR, nG, nB;
-// Each element of the widths array will be the width of the string up to and
-// including the corresponding character in text. This is the generic
-// implementation, the port-specific classes should do this with native APIs
-// if available and if faster. Note: pango_layout_index_to_pos is much slower
-// than calling GetTextExtent!!
+ //Radius
+ double cx = rect.GetWidth() / 2;
+ double cy = rect.GetHeight() / 2;
+ double dRadius;
+ if (cx < cy)
+ dRadius = cx;
+ else
+ dRadius = cy;
-#define FWC_SIZE 256
+ //Offset of circle
+ double ptX, ptY;
+ ptX = circleCenter.x;
+ ptY = circleCenter.y;
+ double nCircleOffX = ptX - cx;
+ double nCircleOffY = ptY - cy;
-class FontWidthCache
-{
-public:
- FontWidthCache() : m_scaleX(1), m_widths(NULL) { }
- ~FontWidthCache() { delete []m_widths; }
+ double dGradient;
+ double dx, dy;
- void Reset()
+ for ( wxInt32 x = 0; x < rect.GetWidth(); x++ )
{
- if (!m_widths)
- m_widths = new int[FWC_SIZE];
-
- memset(m_widths, 0, sizeof(int)*FWC_SIZE);
- }
-
- wxFont m_font;
- double m_scaleX;
- int *m_widths;
-};
-
-static FontWidthCache s_fontWidthCache;
-
-bool wxDCBase::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
-{
- int totalWidth = 0;
+ for ( wxInt32 y = 0; y < rect.GetHeight(); y++ )
+ {
+ //get color difference
+ dx = x;
+ dy = y;
- const size_t len = text.length();
- widths.Empty();
- widths.Add(0, len);
+ dGradient = ((dRadius - sqrt( (dx - cx - nCircleOffX) * (dx - cx - nCircleOffX)
+ +(dy - cy - nCircleOffY) * (dy - cy - nCircleOffY)
+ )
+ ) * 100
+ ) / dRadius;
- // reset the cache if font or horizontal scale have changed
- if ( !s_fontWidthCache.m_widths ||
- !wxIsSameDouble(s_fontWidthCache.m_scaleX, m_scaleX) ||
- (s_fontWidthCache.m_font != GetFont()) )
- {
- s_fontWidthCache.Reset();
- s_fontWidthCache.m_font = GetFont();
- s_fontWidthCache.m_scaleX = m_scaleX;
- }
+ //normalize Gradient
+ if (dGradient < 0)
+ dGradient = 0.0;
- // Calculate the position of each character based on the widths of
- // the previous characters
- int w, h;
- for ( size_t i = 0; i < len; i++ )
- {
- const wxChar c = text[i];
- unsigned int c_int = (unsigned int)c;
+ //get dest colors
+ nR = (wxUint8)(nR1 + ((nR2 - nR1) * dGradient / 100));
+ nG = (wxUint8)(nG1 + ((nG2 - nG1) * dGradient / 100));
+ nB = (wxUint8)(nB1 + ((nB2 - nB1) * dGradient / 100));
- if ((c_int < FWC_SIZE) && (s_fontWidthCache.m_widths[c_int] != 0))
- {
- w = s_fontWidthCache.m_widths[c_int];
- }
- else
- {
- GetTextExtent(c, &w, &h);
- if (c_int < FWC_SIZE)
- s_fontWidthCache.m_widths[c_int] = w;
+ //set the pixel
+ SetPen(wxColour(nR,nG,nB));
+ DoDrawPoint(x + rect.GetLeft(), y + rect.GetTop());
}
-
- totalWidth += w;
- widths[i] = totalWidth;
}
-
- return true;
}
-
-// ----------------------------------------------------------------------------
-// enhanced text drawing
-// ----------------------------------------------------------------------------
-
-void wxDCBase::GetMultiLineTextExtent(const wxString& text,
- wxCoord *x,
- wxCoord *y,
- wxCoord *h,
- wxFont *font)
+void wxDCImpl::InheritAttributes(wxWindow *win)
{
- wxCoord widthTextMax = 0, widthLine,
- heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
-
- wxString curLine;
- for ( const wxChar *pc = text; ; pc++ )
- {
- if ( *pc == _T('\n') || *pc == _T('\0') )
- {
- if ( curLine.empty() )
- {
- // we can't use GetTextExtent - it will return 0 for both width
- // and height and an empty line should count in height
- // calculation
+ wxCHECK_RET( win, "window can't be NULL" );
- // assume that this line has the same height as the previous
- // one
- if ( !heightLineDefault )
- heightLineDefault = heightLine;
+ SetFont(win->GetFont());
+ SetTextForeground(win->GetForegroundColour());
+ SetTextBackground(win->GetBackgroundColour());
+ SetBackground(win->GetBackgroundColour());
+ SetLayoutDirection(win->GetLayoutDirection());
+}
- if ( !heightLineDefault )
- {
- // but we don't know it yet - choose something reasonable
- GetTextExtent(_T("W"), NULL, &heightLineDefault,
- NULL, NULL, font);
- }
+void wxDCImpl::DoGetFontMetrics(int *height,
+ int *ascent,
+ int *descent,
+ int *internalLeading,
+ int *externalLeading,
+ int *averageWidth) const
+{
+ // Average width is typically the same as width of 'x'.
+ wxCoord h, d;
+ DoGetTextExtent("x", averageWidth, &h, &d, externalLeading);
+
+ if ( height )
+ *height = h;
+ if ( ascent )
+ *ascent = h - d;
+ if ( descent )
+ *descent = d;
+ if ( internalLeading )
+ *internalLeading = 0;
+}
- heightTextTotal += heightLineDefault;
- }
- else
- {
- GetTextExtent(curLine, &widthLine, &heightLine,
- NULL, NULL, font);
- if ( widthLine > widthTextMax )
- widthTextMax = widthLine;
- heightTextTotal += heightLine;
- }
+//-----------------------------------------------------------------------------
+// wxDC
+//-----------------------------------------------------------------------------
- if ( *pc == _T('\n') )
- {
- curLine.clear();
- }
- else
- {
- // the end of string
- break;
- }
- }
- else
- {
- curLine += *pc;
- }
- }
+IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
- if ( x )
- *x = widthTextMax;
- if ( y )
- *y = heightTextTotal;
- if ( h )
- *h = heightLine;
+void wxDC::CopyAttributes(const wxDC& dc)
+{
+ SetFont(dc.GetFont());
+ SetTextForeground(dc.GetTextForeground());
+ SetTextBackground(dc.GetTextBackground());
+ SetBackground(dc.GetBackground());
+ SetLayoutDirection(dc.GetLayoutDirection());
}
-void wxDCBase::DrawLabel(const wxString& text,
+void wxDC::DrawLabel(const wxString& text,
const wxBitmap& bitmap,
const wxRect& rect,
int alignment,
GetMultiLineTextExtent(text, &widthText, &heightText, &heightLine);
wxCoord width, height;
- if ( bitmap.Ok() )
+ if ( bitmap.IsOk() )
{
width = widthText + bitmap.GetWidth();
height = bitmap.GetHeight();
wxCoord x0 = x,
y0 = y,
width0 = width;
- if ( bitmap.Ok() )
+ if ( bitmap.IsOk() )
{
DrawBitmap(bitmap, x, y, true /* use mask */);
yUnderscore = 0;
// split the string into lines and draw each of them separately
+ //
+ // NB: while wxDC::DrawText() on some platforms supports drawing multi-line
+ // strings natively, this is not the case for all of them, notably not
+ // wxMSW which uses this function for multi-line texts, so we may only
+ // call DrawText() for single-line strings from here to avoid infinite
+ // recursion.
wxString curLine;
- for ( const wxChar *pc = text; ; pc++ )
+ for ( wxString::const_iterator pc = text.begin(); ; ++pc )
{
- if ( *pc == _T('\n') || *pc == _T('\0') )
+ if ( pc == text.end() || *pc == '\n' )
{
int xRealStart = x; // init it here to avoid compielr warnings
DrawText(curLine, xRealStart, y);
}
- y += heightLine;
-
- // do we have underscore in this line? we can check yUnderscore
- // because it is set below to just y + heightLine if we do
- if ( y == yUnderscore )
- {
- // adjust the horz positions to account for the shift
- startUnderscore += xRealStart;
- endUnderscore += xRealStart;
- }
-
- if ( *pc == _T('\0') )
- break;
-
- curLine.clear();
- }
- else // not end of line
- {
- if ( pc - text.c_str() == indexAccel )
- {
- // remeber to draw underscore here
- GetTextExtent(curLine, &startUnderscore, NULL);
- curLine += *pc;
- GetTextExtent(curLine, &endUnderscore, NULL);
-
- yUnderscore = y + heightLine;
- }
- else
- {
- curLine += *pc;
- }
- }
- }
-
- // draw the underscore if found
- if ( startUnderscore != endUnderscore )
- {
- // it should be of the same colour as text
- SetPen(wxPen(GetTextForeground(), 0, wxSOLID));
-
- yUnderscore--;
-
- DrawLine(startUnderscore, yUnderscore, endUnderscore, yUnderscore);
- }
-
- // return bounding rect if requested
- if ( rectBounding )
- {
- *rectBounding = wxRect(x, y - heightText, widthText, heightText);
- }
-
- CalcBoundingBox(x0, y0);
- CalcBoundingBox(x0 + width0, y0 + height);
-}
-
-
-void wxDCBase::DoGradientFillLinear(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- wxDirection nDirection)
-{
- // 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();
- wxUint8 nR, nG, nB;
-
- if ( nDirection == wxEAST || nDirection == wxWEST )
- {
- wxInt32 x = rect.GetWidth();
- wxInt32 w = x; // width of area to shade
- wxInt32 xDelta = w/256; // height of one shade bend
- if (xDelta < 1)
- xDelta = 1;
-
- while (x >= xDelta)
- {
- x -= xDelta;
- if (nR1 > nR2)
- nR = nR1 - (nR1-nR2)*(w-x)/w;
- else
- nR = nR1 + (nR2-nR1)*(w-x)/w;
+ y += heightLine;
- if (nG1 > nG2)
- nG = nG1 - (nG1-nG2)*(w-x)/w;
- else
- nG = nG1 + (nG2-nG1)*(w-x)/w;
+ // do we have underscore in this line? we can check yUnderscore
+ // because it is set below to just y + heightLine if we do
+ if ( y == yUnderscore )
+ {
+ // adjust the horz positions to account for the shift
+ startUnderscore += xRealStart;
+ endUnderscore += xRealStart;
+ }
- if (nB1 > nB2)
- nB = nB1 - (nB1-nB2)*(w-x)/w;
- else
- nB = nB1 + (nB2-nB1)*(w-x)/w;
+ if ( pc == text.end() )
+ break;
- SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
- if(nDirection == wxEAST)
- DrawRectangle(rect.GetLeft()+x, rect.GetTop(),
- xDelta, rect.GetHeight());
- else //nDirection == wxWEST
- DrawRectangle(rect.GetRight()-x-xDelta, rect.GetTop(),
- xDelta, rect.GetHeight());
+ curLine.clear();
}
- }
- else // nDirection == wxNORTH || nDirection == wxSOUTH
- {
- wxInt32 y = rect.GetHeight();
- wxInt32 w = y; // height of area to shade
- wxInt32 yDelta = w/255; // height of one shade bend
- if (yDelta < 1)
- yDelta = 1;
-
- while (y > 0)
+ else // not end of line
{
- y -= yDelta;
- if (nR1 > nR2)
- nR = nR1 - (nR1-nR2)*(w-y)/w;
- else
- nR = nR1 + (nR2-nR1)*(w-y)/w;
-
- if (nG1 > nG2)
- nG = nG1 - (nG1-nG2)*(w-y)/w;
- else
- nG = nG1 + (nG2-nG1)*(w-y)/w;
+ if ( pc - text.begin() == indexAccel )
+ {
+ // remeber to draw underscore here
+ GetTextExtent(curLine, &startUnderscore, NULL);
+ curLine += *pc;
+ GetTextExtent(curLine, &endUnderscore, NULL);
- if (nB1 > nB2)
- nB = nB1 - (nB1-nB2)*(w-y)/w;
+ yUnderscore = y + heightLine;
+ }
else
- nB = nB1 + (nB2-nB1)*(w-y)/w;
-
- SetPen(wxPen(wxColour(nR, nG, nB), 1, wxSOLID));
- if(nDirection == wxNORTH)
- DrawRectangle(rect.GetLeft(), rect.GetTop()+y,
- rect.GetWidth(), yDelta);
- else //nDirection == wxSOUTH
- DrawRectangle(rect.GetLeft(), rect.GetBottom()-y-yDelta,
- rect.GetWidth(), yDelta);
+ {
+ curLine += *pc;
+ }
}
}
- SetPen(oldPen);
-}
-
-void wxDCBase::DoGradientFillConcentric(const wxRect& rect,
- const wxColour& initialColour,
- const wxColour& destColour,
- const wxPoint& circleCenter)
-{
- //save the old pen color
- wxColour oldPenColour = m_pen.GetColour();
+ // draw the underscore if found
+ if ( startUnderscore != endUnderscore )
+ {
+ // it should be of the same colour as text
+ SetPen(wxPen(GetTextForeground(), 0, wxPENSTYLE_SOLID));
- wxUint8 nR1 = destColour.Red();
- wxUint8 nG1 = destColour.Green();
- wxUint8 nB1 = destColour.Blue();
- wxUint8 nR2 = initialColour.Red();
- wxUint8 nG2 = initialColour.Green();
- wxUint8 nB2 = initialColour.Blue();
- wxUint8 nR, nG, nB;
+ // This adjustment is relatively arbitrary: we need to draw the
+ // underline slightly higher to avoid overflowing the character cell
+ // but whether we should do it 1, 2 or 3 pixels higher is not clear.
+ //
+ // The currently used value seems to be compatible with native MSW
+ // behaviour, i.e. it results in the same appearance of the owner-drawn
+ // and normal labels.
+ yUnderscore -= 2;
+ DrawLine(startUnderscore, yUnderscore, endUnderscore, yUnderscore);
+ }
- //Radius
- wxInt32 cx = rect.GetWidth() / 2;
- wxInt32 cy = rect.GetHeight() / 2;
- wxInt32 nRadius;
- if (cx < cy)
- nRadius = cx;
- else
- nRadius = cy;
+ // return bounding rect if requested
+ if ( rectBounding )
+ {
+ *rectBounding = wxRect(x, y - heightText, widthText, heightText);
+ }
- //Offset of circle
- wxInt32 nCircleOffX = circleCenter.x - (rect.GetWidth() / 2);
- wxInt32 nCircleOffY = circleCenter.y - (rect.GetHeight() / 2);
+ CalcBoundingBox(x0, y0);
+ CalcBoundingBox(x0 + width0, y0 + height);
+}
- for ( wxInt32 x = 0; x < rect.GetWidth(); x++ )
+#if WXWIN_COMPATIBILITY_2_8
+ // for compatibility with the old code when wxCoord was long everywhere
+void wxDC::GetTextExtent(const wxString& string,
+ long *x, long *y,
+ long *descent,
+ long *externalLeading,
+ const wxFont *theFont) const
{
- for ( wxInt32 y = 0; y < rect.GetHeight(); y++ )
- {
- //get color difference
- wxInt32 nGradient = ((nRadius -
- (wxInt32)sqrt(
- pow((double)(x - cx - nCircleOffX), 2) +
- pow((double)(y - cy - nCircleOffY), 2)
- )) * 100) / nRadius;
+ wxCoord x2, y2, descent2, externalLeading2;
+ m_pimpl->DoGetTextExtent(string, &x2, &y2,
+ &descent2, &externalLeading2,
+ theFont);
+ if ( x )
+ *x = x2;
+ if ( y )
+ *y = y2;
+ if ( descent )
+ *descent = descent2;
+ if ( externalLeading )
+ *externalLeading = externalLeading2;
+ }
- //normalize Gradient
- if (nGradient < 0 )
- nGradient = 0;
+void wxDC::GetLogicalOrigin(long *x, long *y) const
+ {
+ wxCoord x2, y2;
+ m_pimpl->DoGetLogicalOrigin(&x2, &y2);
+ if ( x )
+ *x = x2;
+ if ( y )
+ *y = y2;
+ }
- //get dest colors
- nR = (wxUint8)(nR1 + ((nR2 - nR1) * nGradient / 100));
- nG = (wxUint8)(nG1 + ((nG2 - nG1) * nGradient / 100));
- nB = (wxUint8)(nB1 + ((nB2 - nB1) * nGradient / 100));
+void wxDC::GetDeviceOrigin(long *x, long *y) const
+ {
+ wxCoord x2, y2;
+ m_pimpl->DoGetDeviceOrigin(&x2, &y2);
+ if ( x )
+ *x = x2;
+ if ( y )
+ *y = y2;
+ }
- //set the pixel
- m_pen.SetColour(wxColour(nR,nG,nB));
- DrawPoint(wxPoint(x + rect.GetLeft(), y + rect.GetTop()));
- }
+void wxDC::GetClippingBox(long *x, long *y, long *w, long *h) const
+ {
+ wxCoord xx,yy,ww,hh;
+ m_pimpl->DoGetClippingBox(&xx, &yy, &ww, &hh);
+ if (x) *x = xx;
+ if (y) *y = yy;
+ if (w) *w = ww;
+ if (h) *h = hh;
}
- //return old pen color
- m_pen.SetColour(oldPenColour);
+
+void wxDC::DrawObject(wxDrawObject* drawobject)
+{
+ drawobject->Draw(*this);
+ CalcBoundingBox(drawobject->MinX(),drawobject->MinY());
+ CalcBoundingBox(drawobject->MaxX(),drawobject->MaxY());
}
+#endif // WXWIN_COMPATIBILITY_2_8
+
/*
Notes for wxWidgets DrawEllipticArcRot(...)
*/
#ifdef __WXWINCE__
-void wxDCBase::DoDrawEllipticArcRot( wxCoord x, wxCoord y,
+void wxDCImpl::DoDrawEllipticArcRot( wxCoord x, wxCoord y,
wxCoord w, wxCoord h,
double sa, double ea, double angle )
{
- wxList list;
+ wxPointList list;
CalculateEllipticPoints( &list, x, y, w, h, sa, ea );
Rotate( &list, angle, wxPoint( x+w/2, y+h/2 ) );
// Add center (for polygon/pie)
- list.Append( (wxObject*) new wxPoint( x+w/2, y+h/2 ) );
+ list.Append( new wxPoint( x+w/2, y+h/2 ) );
// copy list into array and delete list elements
int n = list.GetCount();
wxPoint *points = new wxPoint[n];
int i = 0;
- wxNode* node = 0;
+ wxPointList::compatibility_iterator node;
for ( node = list.GetFirst(); node; node = node->GetNext(), i++ )
{
- wxPoint *point = (wxPoint *)node->GetData();
+ wxPoint *point = node->GetData();
points[i].x = point->x;
points[i].y = point->y;
delete point;
} // DrawEllipticArcRot
-void wxDCBase::Rotate( wxList* points, double angle, wxPoint center )
+void wxDCImpl::Rotate( wxPointList* points, double angle, wxPoint center )
{
if( angle != 0.0 )
{
double pi(M_PI);
double dSinA = -sin(angle*2.0*pi/360.0);
double dCosA = cos(angle*2.0*pi/360.0);
- for ( wxNode* node = points->GetFirst(); node; node = node->GetNext() )
+ wxPointList::compatibility_iterator node;
+ for ( node = points->GetFirst(); node; node = node->GetNext() )
{
- wxPoint* point = (wxPoint*)node->GetData();
+ wxPoint* point = node->GetData();
// transform coordinates, if necessary
if( center.x ) point->x -= center.x;
}
}
-void wxDCBase::CalculateEllipticPoints( wxList* points,
+void wxDCImpl::CalculateEllipticPoints( wxPointList* points,
wxCoord xStart, wxCoord yStart,
wxCoord w, wxCoord h,
double sa, double ea )
long y2_old = 0;
long y_old = 0;
// Lists for quadrant 1 to 4
- wxList pointsarray[4];
+ wxPointList pointsarray[4];
// Calculate points for first quadrant and set in all quadrants
for( x = 0; x <= a; ++x )
{
y2 = y2-y-y+1;
--y;
}
- // old y now to big: set point with old y, old x
+ // old y now too big: set point with old y, old x
if( bNewPoint && x>1)
{
int x1 = x - 1;
// remove points on the same line
- pointsarray[0].Insert( (wxObject*) new wxPoint( xCenter + x1 - decrX, yCenter - y_old ) );
- pointsarray[1].Append( (wxObject*) new wxPoint( xCenter - x1, yCenter - y_old ) );
- pointsarray[2].Insert( (wxObject*) new wxPoint( xCenter - x1, yCenter + y_old - decrY ) );
- pointsarray[3].Append( (wxObject*) new wxPoint( xCenter + x1 - decrX, yCenter + y_old - decrY ) );
+ pointsarray[0].Insert( new wxPoint( xCenter + x1 - decrX, yCenter - y_old ) );
+ pointsarray[1].Append( new wxPoint( xCenter - x1, yCenter - y_old ) );
+ pointsarray[2].Insert( new wxPoint( xCenter - x1, yCenter + y_old - decrY ) );
+ pointsarray[3].Append( new wxPoint( xCenter + x1 - decrX, yCenter + y_old - decrY ) );
} // set point
} // calculate point
// Starting and/or ending points for the quadrants, first quadrant gets both.
- pointsarray[0].Insert( (wxObject*) new wxPoint( xCenter + a - decrX, yCenter ) );
- pointsarray[0].Append( (wxObject*) new wxPoint( xCenter, yCenter - b ) );
- pointsarray[1].Append( (wxObject*) new wxPoint( xCenter - a, yCenter ) );
- pointsarray[2].Append( (wxObject*) new wxPoint( xCenter, yCenter + b - decrY ) );
- pointsarray[3].Append( (wxObject*) new wxPoint( xCenter + a - decrX, yCenter ) );
+ pointsarray[0].Insert( new wxPoint( xCenter + a - decrX, yCenter ) );
+ pointsarray[0].Append( new wxPoint( xCenter, yCenter - b ) );
+ pointsarray[1].Append( new wxPoint( xCenter - a, yCenter ) );
+ pointsarray[2].Append( new wxPoint( xCenter, yCenter + b - decrY ) );
+ pointsarray[3].Append( new wxPoint( xCenter + a - decrX, yCenter ) );
// copy quadrants in original list
if( bUseAngles )
{
// Copy the right part of the points in the lists
// and delete the wxPoints, because they do not leave this method.
- points->Append( (wxObject*) new wxPoint( xsa, ysa ) );
+ points->Append( new wxPoint( xsa, ysa ) );
int q = sq;
bool bStarted = false;
bool bReady = false;
bool bForceTurn = ( sq == eq && sa > ea );
while( !bReady )
{
- for( wxNode *node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
+ wxPointList::compatibility_iterator node;
+ for( node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
{
// once: go to starting point in start quadrant
if( !bStarted &&
(
- ( (wxPoint*) node->GetData() )->x < xsa+1 && q <= 1
+ node->GetData()->x < xsa+1 && q <= 1
||
- ( (wxPoint*) node->GetData() )->x > xsa-1 && q >= 2
+ node->GetData()->x > xsa-1 && q >= 2
)
)
{
)
{
// copy point
- wxPoint* pPoint = new wxPoint( *((wxPoint*) node->GetData() ) );
- points->Append( (wxObject*) pPoint );
+ wxPoint* pPoint = new wxPoint( *(node->GetData()) );
+ points->Append( pPoint );
}
- else if( q == eq && !bForceTurn || ( (wxPoint*) node->GetData() )->x == xea)
+ else if( q == eq && !bForceTurn || node->GetData()->x == xea)
{
bReady = true;
}
bForceTurn = false;
bStarted = true;
} // while not bReady
- points->Append( (wxObject*) new wxPoint( xea, yea ) );
+ points->Append( new wxPoint( xea, yea ) );
// delete points
for( q = 0; q < 4; ++q )
{
- for( wxNode *node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
+ wxPointList::compatibility_iterator node;
+ for( node = pointsarray[q].GetFirst(); node; node = node->GetNext() )
{
- wxPoint *p = (wxPoint *)node->GetData();
+ wxPoint *p = node->GetData();
delete p;
}
}
}
else
{
- wxNode* node;
+ wxPointList::compatibility_iterator node;
// copy whole ellipse, wxPoints will be deleted outside
for( node = pointsarray[0].GetFirst(); node; node = node->GetNext() )
{
- wxObject *p = node->GetData();
+ wxPoint *p = node->GetData();
points->Append( p );
}
for( node = pointsarray[1].GetFirst(); node; node = node->GetNext() )
{
- wxObject *p = node->GetData();
+ wxPoint *p = node->GetData();
points->Append( p );
}
for( node = pointsarray[2].GetFirst(); node; node = node->GetNext() )
{
- wxObject *p = node->GetData();
+ wxPoint *p = node->GetData();
points->Append( p );
}
for( node = pointsarray[3].GetFirst(); node; node = node->GetNext() )
{
- wxObject *p = node->GetData();
+ wxPoint *p = node->GetData();
points->Append( p );
}
} // not iUseAngles
} // 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"
-#include "wx/toplevel.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:
- OSStatus CreateOverlayWindow();
-
- void MacGetBounds( Rect *bounds );
-
- WindowRef m_overlayWindow;
- WindowRef m_overlayParentWindow;
- CGContextRef m_overlayContext ;
- // we store the window in case we would have to issue a Refresh()
- wxWindow* m_window ;
-
- EventHandlerRef m_overlayParentHandler ;
- EventHandlerRef m_overlayHandler;
-
- static pascal OSStatus OverlayParentWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
- static pascal OSStatus OverlayWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
-
- int m_x ;
- int m_y ;
- int m_width ;
- int m_height ;
-} ;
-
-wxOverlayImpl::wxOverlayImpl()
-{
- m_window = NULL ;
- m_overlayContext = NULL ;
- m_overlayWindow = NULL ;
-}
-
-wxOverlayImpl::~wxOverlayImpl()
-{
- Reset();
-}
-
-bool wxOverlayImpl::IsOk()
-{
- return m_overlayContext != NULL ;
-}
-
-pascal OSStatus wxOverlayImpl::OverlayWindowEventHandlerProc( EventHandlerCallRef WXUNUSED(inCallRef), EventRef inEvent, void* inUserData )
-{
- OSStatus err = noErr ;
- wxOverlayImpl* self = (wxOverlayImpl*) inUserData;
-
- wxMacCarbonEvent cEvent(inEvent) ;
- switch( cEvent.GetClass() )
- {
- case kEventClassWindow:
- switch( cEvent.GetKind() )
- {
- case kEventWindowBoundsChanged:
- break;
- default :
- break;
- }
- break ;
- default :
- break ;
- }
- // as we didn't interfere with the event itself, always return a notHandled
- return eventNotHandledErr ;
-}
-
-pascal OSStatus wxOverlayImpl::OverlayParentWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
-{
- OSStatus err = eventNotHandledErr ;
- wxOverlayImpl* self = (wxOverlayImpl*) inUserData;
-
- wxMacCarbonEvent cEvent(inEvent) ;
- switch( cEvent.GetClass() )
- {
- case kEventClassWindow:
- switch( cEvent.GetKind() )
- {
- case kEventWindowBoundsChanging:
- case kEventWindowBoundsChanged:
- {
- err = CallNextEventHandler(inCallRef,inEvent);
- Rect bounds ;
- self->MacGetBounds(&bounds);
- SetWindowBounds(self->m_overlayWindow,kWindowContentRgn,&bounds);
- }
- break;
- default :
- break;
- }
- break ;
- default :
- break ;
- }
- return err ;
-}
-
-void wxOverlayImpl::MacGetBounds( Rect *bounds )
-{
- wxPoint origin(0,0);
- origin = m_window->ClientToScreen( origin );
- bounds->top = origin.y;
- bounds->left = origin.x;
- bounds->bottom = origin.y+m_y+m_height;
- bounds->right = origin.x+m_x+m_width;
-}
-
-OSStatus wxOverlayImpl::CreateOverlayWindow()
-{
- OSStatus err;
-
- WindowAttributes overlayAttributes = kWindowHideOnSuspendAttribute | kWindowIgnoreClicksAttribute;
-
- static EventHandlerUPP overlayWindowEventHandlerUPP = NULL ;
- static EventHandlerUPP overlayParentWindowEventHandlerUPP = NULL ;
- const EventTypeSpec windowEvents[] =
- {
- { kEventClassWindow, kEventWindowBoundsChanged },
- };
-
- const EventTypeSpec parentWindowEvents[] =
- {
- { kEventClassWindow, kEventWindowBoundsChanged },
- { kEventClassWindow, kEventWindowBoundsChanging },
- };
-
- if ( overlayWindowEventHandlerUPP == NULL )
- overlayWindowEventHandlerUPP = NewEventHandlerUPP( OverlayWindowEventHandlerProc );
- if ( overlayParentWindowEventHandlerUPP == NULL )
-
- overlayParentWindowEventHandlerUPP = NewEventHandlerUPP( OverlayParentWindowEventHandlerProc );
-
- m_overlayParentWindow =(WindowRef) m_window->MacGetTopLevelWindowRef();
-
- Rect bounds ;
- MacGetBounds(&bounds);
- err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
- if ( err == noErr )
- {
- SetWindowGroup( m_overlayWindow, GetWindowGroup(m_overlayParentWindow) ); // Put them in the same group so that their window layers are consistent
- err = InstallWindowEventHandler( m_overlayWindow, overlayWindowEventHandlerUPP, GetEventTypeCount(windowEvents), windowEvents, this, &m_overlayHandler );
- if ( err == noErr )
- err = InstallWindowEventHandler( m_overlayParentWindow, overlayParentWindowEventHandlerUPP, GetEventTypeCount(parentWindowEvents), parentWindowEvents, this, &m_overlayParentHandler );
- }
- return err;
-}
-
-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();
- m_x = x ;
- m_y = y ;
- m_width = width ;
- m_height = height ;
-
- OSStatus err = CreateOverlayWindow();
- wxASSERT_MSG( err == noErr , _("Couldn't create the overlay window") );
- ShowWindow(m_overlayWindow);
-
- err = QDBeginCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
- CGContextTranslateCTM( m_overlayContext, 0, m_height+m_y );
- 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 );
- // we are right now startin at 0,0 not at the wxWindow's origin, so most of the calculations
- // int dc are already corect
- // just to make sure :
- dc->m_macLocalOrigin.x = 0 ;
- dc->m_macLocalOrigin.y = 0 ;
- wxSize size = m_window->GetSize() ;
- dc->SetClippingRegion( 0 , 0 , size.x , size.y ) ;
-}
-
-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)
- {
- RemoveEventHandler( m_overlayParentHandler ) ;
- m_overlayParentHandler = NULL;
- RemoveEventHandler( m_overlayHandler ) ;
- m_overlayHandler = NULL;
- 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 = dc->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);
-}
+#endif // __WXWINCE__
-void wxDCOverlay::Clear()
+float wxDCImpl::GetFontPointSizeAdjustment(float dpi)
{
- m_overlay.Clear(m_dc);
+ // wxMSW has long-standing bug where wxFont point size is interpreted as
+ // "pixel size corresponding to given point size *on screen*". In other
+ // words, on a typical 600dpi printer and a typical 96dpi screen, fonts
+ // are ~6 times smaller when printing. Unfortunately, this bug is so severe
+ // that *all* printing code has to account for it and consequently, other
+ // ports need to emulate this bug too:
+ const wxSize screenPPI = wxGetDisplayPPI();
+ return float(screenPPI.y) / dpi;
}
projects / wxWidgets.git / blobdiff