/////////////////////////////////////////////////////////////////////////////
-// Name: dcclient.cpp
-// Purpose: wxClientDC class
-// Author: AUTHOR
+// Name: src/mac/carbon/dcclient.cpp
+// Purpose: wxClientDCImpl class
+// Author: Stefan Csomor
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dcclient.h"
-#endif
+#include "wx/wxprec.h"
#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-#include "wx/region.h"
-#include <math.h>
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/window.h"
+ #include "wx/dcmemory.h"
+ #include "wx/settings.h"
+ #include "wx/toplevel.h"
+ #include "wx/math.h"
+ #include "wx/region.h"
+#endif
-#define RAD2DEG 57.2957795131
+#include "wx/graphics.h"
+#include "wx/rawbmp.h"
+#include "wx/mac/private.h"
//-----------------------------------------------------------------------------
-// wxPaintDC
+// wxWindowDCImpl
//-----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-#endif
-
-/*
- * wxWindowDC
- */
-
-wxWindowDC::wxWindowDC(void)
-{
-};
-
-wxWindowDC::wxWindowDC( wxWindow *window )
-{
-};
-
-wxWindowDC::~wxWindowDC(void)
-{
-};
-
-void wxWindowDC::FloodFill( long WXUNUSED(x1), long WXUNUSED(y1),
- const wxColour& WXUNUSED(col), int WXUNUSED(style) )
-{
-};
-
-bool wxWindowDC::GetPixel( long WXUNUSED(x1), long WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
-{
- return FALSE;
-};
-
-void wxWindowDC::DrawLine( long x1, long y1, long x2, long y2 )
-{
- if (!Ok()) return;
-
-};
-
-void wxWindowDC::CrossHair( long x, long y )
-{
- if (!Ok()) return;
-
-};
-
-void wxWindowDC::DrawArc( long x1, long y1, long x2, long y2, long xc, long yc )
-{
- if (!Ok()) return;
-
- long xx1 = XLOG2DEV(x1);
- long yy1 = YLOG2DEV(y1);
- long xx2 = XLOG2DEV(x2);
- long yy2 = YLOG2DEV(y2);
- long xxc = XLOG2DEV((long)xc);
- long yyc = YLOG2DEV((long)yc);
- double dx = xx1 - xxc;
- double dy = yy1 - yyc;
- double radius = sqrt(dx*dx+dy*dy);
- long r = (long)radius;
- double radius1, radius2;
-
- if (xx1 == xx2 && yy1 == yy2)
- {
- radius1 = 0.0;
- radius2 = 360.0;
- }
- else
- if (radius == 0.0)
- {
- radius1 = radius2 = 0.0;
- }
- else
- {
- radius1 = (xx1 - xxc == 0) ?
- (yy1 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG;
- radius2 = (xx2 - xxc == 0) ?
- (yy2 - yyc < 0) ? 90.0 : -90.0 :
- -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG;
- };
- long alpha1 = long(radius1 * 64.0);
- long alpha2 = long((radius2 - radius1) * 64.0);
- while (alpha2 <= 0) alpha2 += 360*64;
- while (alpha1 > 360*64) alpha1 -= 360*64;
-
- if (m_brush.GetStyle() != wxTRANSPARENT) {};
-
- if (m_pen.GetStyle() != wxTRANSPARENT) {};
-
-};
-
-void wxWindowDC::DrawEllipticArc( long x, long y, long width, long height, double sa, double ea )
-{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- long start = long(sa * 64.0);
- long end = long(ea * 64.0);
- if (m_brush.GetStyle() != wxTRANSPARENT) {};
-
- if (m_pen.GetStyle() != wxTRANSPARENT) {};
-};
-
-void wxWindowDC::DrawPoint( long x, long y )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() != wxTRANSPARENT) {};
-};
-
-void wxWindowDC::DrawLines( int n, wxPoint points[], long xoffset, long yoffset )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
-
- for (int i = 0; i < n-1; i++)
- {
- long x1 = XLOG2DEV(points[i].x + xoffset);
- long x2 = XLOG2DEV(points[i+1].x + xoffset);
- long y1 = YLOG2DEV(points[i].y + yoffset); // oh, what a waste
- long y2 = YLOG2DEV(points[i+1].y + yoffset);
- };
-};
-
-void wxWindowDC::DrawLines( wxList *points, long xoffset, long yoffset )
-{
- if (!Ok()) return;
-
- if (m_pen.GetStyle() == wxTRANSPARENT) return;
-
- wxNode *node = points->First();
- while (node->Next())
- {
- wxPoint *point = (wxPoint*)node->Data();
- wxPoint *npoint = (wxPoint*)node->Next()->Data();
- long x1 = XLOG2DEV(point->x + xoffset);
- long x2 = XLOG2DEV(npoint->x + xoffset);
- long y1 = YLOG2DEV(point->y + yoffset); // and again...
- long y2 = YLOG2DEV(npoint->y + yoffset);
- node = node->Next();
- };
-};
-
-void wxWindowDC::DrawPolygon( int WXUNUSED(n), wxPoint WXUNUSED(points)[],
- long WXUNUSED(xoffset), long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
-{
- if (!Ok()) return;
-};
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxGCDCImpl)
-void wxWindowDC::DrawPolygon( wxList *WXUNUSED(lines), long WXUNUSED(xoffset),
- long WXUNUSED(yoffset), int WXUNUSED(fillStyle) )
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner )
+ : wxGCDCImpl( owner )
{
- if (!Ok()) return;
-};
+ m_release = false;
+}
-void wxWindowDC::DrawRectangle( long x, long y, long width, long height )
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
+ : wxGCDCImpl( owner )
{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
+ m_window = window;
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 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; }
+ wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
+ if (!rootwindow)
+ return;
- if (m_brush.GetStyle() != wxTRANSPARENT) {};
-
- if (m_pen.GetStyle() != wxTRANSPARENT) {};
-};
+ m_ok = true ;
-void wxWindowDC::DrawRoundedRectangle( long x, long y, long width, long height, double radius )
-{
- if (!Ok()) return;
-
- if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
- long rr = XLOG2DEVREL((long)radius);
-
- // CMB: handle -ve width and/or height
- if (ww < 0) { ww = -ww; xx = xx - ww; }
- if (hh < 0) { hh = -hh; yy = yy - hh; }
-
- // CMB: if radius is zero use DrawRectangle() instead to avoid
- // X drawing errors with small radii
- if (rr == 0)
- {
- DrawRectangle( x, y, width, height );
- return;
- }
-
- // CMB: draw nothing if transformed w or h is 0
- if (ww == 0 || hh == 0) return;
-
- // CMB: adjust size if outline is drawn otherwise the result is
- // 1 pixel too wide and high
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- ww--;
- hh--;
- }
-
- // CMB: ensure dd is not larger than rectangle otherwise we
- // get an hour glass shape
- long dd = 2 * rr;
- if (dd > ww) dd = ww;
- if (dd > hh) dd = hh;
- rr = dd / 2;
-
- if (m_brush.GetStyle() != wxTRANSPARENT)
- {
- };
-
- if (m_pen.GetStyle() != wxTRANSPARENT)
- {
- };
-};
-
-void wxWindowDC::DrawEllipse( long x, long y, long width, long height )
-{
- if (!Ok()) return;
-
- long xx = XLOG2DEV(x);
- long yy = YLOG2DEV(y);
- long ww = m_signX * XLOG2DEVREL(width);
- long hh = m_signY * YLOG2DEVREL(height);
-
- // 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_brush.GetStyle() != wxTRANSPARENT) {};
-
- if (m_pen.GetStyle() != wxTRANSPARENT) {};
-};
-
-bool wxWindowDC::CanDrawBitmap(void) const
-{
- return TRUE;
-};
-
-void wxWindowDC::DrawIcon( const wxIcon &icon, long x, long y, bool useMask )
-{
- if (!Ok()) return;
-
- if (!icon.Ok()) return;
-
- int xx = XLOG2DEV(x);
- int yy = YLOG2DEV(y);
-
-};
-
-bool wxWindowDC::Blit( long xdest, long ydest, long width, long height,
- wxDC *source, long xsrc, long ysrc, int WXUNUSED(logical_func), bool WXUNUSED(useMask) )
-{
- if (!Ok()) return FALSE;
-
- // CMB 20/5/98: add blitting of bitmaps
- if (source->IsKindOf(CLASSINFO(wxMemoryDC)))
- {
- wxMemoryDC* srcDC = (wxMemoryDC*)source;
- /*
- GdkBitmap* bmap = srcDC->m_selected.GetBitmap();
- if (bmap)
+ m_window->GetSize( &m_width , &m_height);
+ CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
+ m_release = false;
+ if ( cg == NULL )
{
- gdk_draw_bitmap (
- m_window,
- m_textGC,
- bmap,
- source->DeviceToLogicalX(xsrc), source->DeviceToLogicalY(ysrc),
- XLOG2DEV(xdest), YLOG2DEV(ydest),
- source->DeviceToLogicalXRel(width), source->DeviceToLogicalYRel(height)
- );
- return TRUE;
+ SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
}
- */
- }
-
- return TRUE;
-};
-
-void wxWindowDC::DrawText( const wxString &text, long x, long y, bool
-WXUNUSED(use16) )
-{
- if (!Ok()) return;
-
-};
-
-
-
-bool wxWindowDC::CanGetTextExtent(void) const
-{
- return TRUE;
-};
+ else
+ {
+ CGContextSaveGState( cg );
+ m_release = true ;
+ // make sure the context is having its origin at the wx-window coordinates of the
+ // view (read at the top of window.cpp about the differences)
+ if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
+ CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
+
+ SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
+ }
+ DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
-void wxWindowDC::GetTextExtent( const wxString &string, long *width, long *height,
- long *WXUNUSED(descent), long *WXUNUSED(externalLeading),
- wxFont *WXUNUSED(theFont), bool WXUNUSED(use16) )
-{
- if (!Ok()) return;
-
-};
+ SetBackground(wxBrush(window->GetBackgroundColour(),wxSOLID));
-long wxWindowDC::GetCharWidth(void)
-{
- if (!Ok()) return 0;
- return 0;
-};
+ SetFont( window->GetFont() ) ;
+}
-long wxWindowDC::GetCharHeight(void)
+wxWindowDCImpl::~wxWindowDCImpl()
{
- if (!Ok()) return 0;
- return 0;
-};
+ if ( m_release )
+ {
+ // this must not necessarily be the current context, we must restore the state of the
+ // cg we started with above (before the CGContextTranslateCTM call)
+ CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
+ CGContextRestoreGState(cg);
+ }
+}
-void wxWindowDC::Clear(void)
+void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
{
- if (!Ok()) return;
-
-};
+ if ( width )
+ *width = m_width;
+ if ( height )
+ *height = m_height;
+}
-void wxWindowDC::SetFont( const wxFont &font )
+wxBitmap wxWindowDCImpl::DoGetAsBitmap(const wxRect *subrect) const
{
- if (!Ok()) return;
-
- m_font = font;
-};
+ // wxScreenDC is derived from wxWindowDC, so a screen dc will
+ // call this method when a Blit is performed with it as a source.
+ if (!m_window)
+ return wxNullBitmap;
-void wxWindowDC::SetPen( const wxPen &pen )
-{
- if (!Ok()) return;
+#ifdef __LP64__
+ return wxNullBitmap;
+#else
+ ControlRef handle = (ControlRef) m_window->GetHandle();
+ if ( !handle )
+ return wxNullBitmap;
+
+ HIRect rect;
+ CGImageRef image;
+ CGContextRef context;
+ void* data;
- if (m_pen == pen) return;
-
- m_pen = pen;
-
- if (!m_pen.Ok()) return;
-};
+ size_t bytesPerRow;
-void wxWindowDC::SetBrush( const wxBrush &brush )
-{
- if (!Ok()) return;
-
- if (m_brush == brush) return;
-
- m_brush = brush;
-
- if (!m_brush.Ok()) return;
-
-};
-
-void wxWindowDC::SetBackground( const wxBrush &brush )
-{
- if (!Ok()) return;
-
- if (m_backgroundBrush == brush) return;
-
- m_backgroundBrush = brush;
-
- if (!m_backgroundBrush.Ok()) return;
-
-};
-
-void wxWindowDC::SetLogicalFunction( int function )
-{
- if (m_logicalFunction == function) return;
-};
+ HIViewCreateOffscreenImage( handle, 0, &rect, &image);
-void wxWindowDC::SetTextForeground( const wxColour &col )
-{
- if (!Ok()) return;
-
- if (m_textForegroundColour == col) return;
-
- m_textForegroundColour = col;
- if (!m_textForegroundColour.Ok()) return;
-};
-
-void wxWindowDC::SetTextBackground( const wxColour &col )
-{
- if (!Ok()) return;
-
- if (m_textBackgroundColour == col) return;
-
- m_textBackgroundColour = col;
- if (!m_textBackgroundColour.Ok()) return;
-};
-
-void wxWindowDC::SetBackgroundMode( int mode )
-{
- m_backgroundMode = mode;
- if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
- {
- }
-};
+ int width = subrect != NULL ? subrect->width : (int)rect.size.width;
+ int height = subrect != NULL ? subrect->height : (int)rect.size.height ;
-void wxWindowDC::SetPalette( const wxPalette& WXUNUSED(palette) )
-{
-};
+ bytesPerRow = ( ( width * 8 * 4 + 7 ) / 8 );
-void wxWindowDC::SetClippingRegion( long x, long y, long width, long height )
-{
- wxDC::SetClippingRegion( x, y, width, height );
+ data = calloc( 1, bytesPerRow * height );
+ context = CGBitmapContextCreate( data, width, height, 8, bytesPerRow, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst );
- // TODO
-
-};
+ if ( subrect )
+ rect = CGRectOffset( rect, -subrect->x, -subrect->y ) ;
+ CGContextDrawImage( context, rect, image );
-void wxWindowDC::SetClippingRegion( const wxRegion& region )
-{
- wxRect box = region.GetBox();
+ unsigned char* buffer = (unsigned char*) data;
+ wxBitmap bmp = wxBitmap(width, height, 32);
+ wxAlphaPixelData pixData(bmp, wxPoint(0,0), wxSize(width, height));
- wxDC::SetClippingRegion( box.x, box.y, box.width, box.height );
+ wxAlphaPixelData::Iterator p(pixData);
+ for (int y=0; y<height; y++) {
+ wxAlphaPixelData::Iterator rowStart = p;
+ for (int x=0; x<width; x++) {
+ unsigned char a = buffer[3];
+ p.Red() = a; buffer++;
+ p.Green() = a; buffer++;
+ p.Blue() = a; buffer++;
+ p.Alpha() = a; buffer++;
+ ++p;
+ }
+ p = rowStart;
+ p.OffsetY(pixData, 1);
+ }
- // TODO
+ return bmp;
+#endif
}
-void wxWindowDC::DestroyClippingRegion(void)
-{
- wxDC::DestroyClippingRegion();
-
-};
-
-// ----------------------------------- spline code ----------------------------------------
-
-void wx_quadratic_spline(double a1, double b1, double a2, double b2,
- double a3, double b3, double a4, double b4);
-void wx_clear_stack(void);
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3,
- double *y3, double *x4, double *y4);
-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(wxDC *dc);
-
-wxList wx_spline_point_list;
-
-#define half(z1, z2) ((z1+z2)/2.0)
-#define THRESHOLD 5
+/*
+ * wxClientDCImpl
+ */
-/* iterative version */
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
-void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4,
- double b4)
+wxClientDCImpl::wxClientDCImpl( wxDC *owner )
+ : wxWindowDCImpl( owner )
{
- register double xmid, ymid;
- double x1, y1, x2, y2, x3, y3, x4, y4;
-
- wx_clear_stack();
- wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4);
-
- while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) {
- xmid = (double)half(x2, x3);
- ymid = (double)half(y2, y3);
- if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD &&
- fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) {
- wx_spline_add_point( x1, y1 );
- wx_spline_add_point( xmid, ymid );
- } else {
- wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3),
- (double)half(x3, x4), (double)half(y3, y4), x4, y4);
- wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2),
- (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid);
- }
- }
}
-/* utilities used by spline drawing routines */
-
-typedef struct wx_spline_stack_struct {
- double x1, y1, x2, y2, x3, y3, x4, y4;
-} Stack;
-
-#define SPLINE_STACK_DEPTH 20
-static Stack wx_spline_stack[SPLINE_STACK_DEPTH];
-static Stack *wx_stack_top;
-static int wx_stack_count;
-
-void wx_clear_stack(void)
+wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *window ) :
+ wxWindowDCImpl( owner, window )
{
- wx_stack_top = wx_spline_stack;
- wx_stack_count = 0;
+ wxCHECK_RET( window, _T("invalid window in wxClientDCImpl") );
+ wxPoint origin = window->GetClientAreaOrigin() ;
+ m_window->GetClientSize( &m_width , &m_height);
+ SetDeviceOrigin( origin.x, origin.y );
+ DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
-void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
+wxClientDCImpl::~wxClientDCImpl()
{
- wx_stack_top->x1 = x1;
- wx_stack_top->y1 = y1;
- wx_stack_top->x2 = x2;
- wx_stack_top->y2 = y2;
- wx_stack_top->x3 = x3;
- wx_stack_top->y3 = y3;
- wx_stack_top->x4 = x4;
- wx_stack_top->y4 = y4;
- wx_stack_top++;
- wx_stack_count++;
}
-int wx_spline_pop(double *x1, double *y1, double *x2, double *y2,
- double *x3, double *y3, double *x4, double *y4)
-{
- if (wx_stack_count == 0)
- return (0);
- wx_stack_top--;
- wx_stack_count--;
- *x1 = wx_stack_top->x1;
- *y1 = wx_stack_top->y1;
- *x2 = wx_stack_top->x2;
- *y2 = wx_stack_top->y2;
- *x3 = wx_stack_top->x3;
- *y3 = wx_stack_top->y3;
- *x4 = wx_stack_top->x4;
- *y4 = wx_stack_top->y4;
- return (1);
-}
+/*
+ * wxPaintDCImpl
+ */
-static bool wx_spline_add_point(double x, double y)
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxWindowDCImpl)
+
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner )
+ : wxWindowDCImpl( owner )
{
- wxPoint *point = new wxPoint ;
- point->x = (int) x;
- point->y = (int) y;
- wx_spline_point_list.Append((wxObject*)point);
- return TRUE;
}
-static void wx_spline_draw_point_array(wxDC *dc)
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *window ) :
+ wxWindowDCImpl( owner, window )
{
- dc->DrawLines(&wx_spline_point_list, 0, 0 );
- wxNode *node = wx_spline_point_list.First();
- while (node)
- {
- wxPoint *point = (wxPoint *)node->Data();
- delete point;
- delete node;
- node = wx_spline_point_list.First();
- }
+ wxPoint origin = window->GetClientAreaOrigin() ;
+ m_window->GetClientSize( &m_width , &m_height);
+ SetDeviceOrigin( origin.x, origin.y );
+ DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
}
-void wxWindowDC::DrawSpline( wxList *points )
+wxPaintDCImpl::~wxPaintDCImpl()
{
- wxPoint *p;
- double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
- double x1, y1, x2, y2;
-
- wxNode *node = points->First();
- p = (wxPoint *)node->Data();
-
- x1 = p->x;
- y1 = p->y;
-
- node = node->Next();
- p = (wxPoint *)node->Data();
-
- x2 = p->x;
- y2 = p->y;
- cx1 = (double)((x1 + x2) / 2);
- cy1 = (double)((y1 + y2) / 2);
- cx2 = (double)((cx1 + x2) / 2);
- cy2 = (double)((cy1 + y2) / 2);
-
- wx_spline_add_point(x1, y1);
-
- while ((node = node->Next()) != NULL)
- {
- p = (wxPoint *)node->Data();
- x1 = x2;
- y1 = y2;
- x2 = p->x;
- y2 = p->y;
- cx4 = (double)(x1 + x2) / 2;
- cy4 = (double)(y1 + y2) / 2;
- cx3 = (double)(x1 + cx4) / 2;
- cy3 = (double)(y1 + cy4) / 2;
-
- 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( this );
-};
+}
projects / wxWidgets.git / blobdiff