851 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			851 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
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| // Name:        tests/graphics/grappath.cpp
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| // Purpose:     graphics path unit tests
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| // Author:      Artur Wieczorek
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| // Created:     2018-07-01
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| // Copyright:   (c) 2018 wxWidgets development team
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| ///////////////////////////////////////////////////////////////////////////////
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| 
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| // ----------------------------------------------------------------------------
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| // headers
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| // ----------------------------------------------------------------------------
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| 
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| #include "testprec.h"
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| 
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| #ifdef __BORLANDC__
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|     #pragma hdrstop
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| #endif
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| 
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| #if wxUSE_GRAPHICS_CONTEXT
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| 
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| #include "wx/bitmap.h"
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| #include "wx/dcmemory.h"
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| #include "wx/dcgraph.h"
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| #include "wx/scopedptr.h"
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| 
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| static void DoAllTests(wxGraphicsContext* gc);
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| 
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| // For MSW we have individual test cases for each graphics renderer
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| // so we don't need to execute tests with default renderer.
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| #ifndef __WXMSW__
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| 
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| TEST_CASE("GraphicsPathTestCase", "[path]")
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| {
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|     wxBitmap bmp(500, 500);
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|     wxMemoryDC mdc(bmp);
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|     wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(mdc));
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|     REQUIRE(gc);
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|     DoAllTests(gc.get());
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| }
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| 
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| #else
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| 
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| #if wxUSE_GRAPHICS_GDIPLUS
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| TEST_CASE("GraphicsPathTestCaseGDIPlus", "[path][gdi+]")
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| {
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|     wxBitmap bmp(500, 500);
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|     wxMemoryDC mdc(bmp);
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|     wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetGDIPlusRenderer()->CreateContext(mdc));
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|     REQUIRE(gc);
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|     DoAllTests(gc.get());
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| }
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| #endif // wxUSE_GRAPHICS_GDIPLUS
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| 
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| #if wxUSE_GRAPHICS_DIRECT2D
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| TEST_CASE("GraphicsPathTestCaseDirect2D", "[path][d2d]")
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| {
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|     wxBitmap bmp(500, 500);
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|     wxMemoryDC mdc(bmp);
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|     wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetDirect2DRenderer()->CreateContext(mdc));
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|     REQUIRE(gc);
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|     DoAllTests(gc.get());
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| }
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| #endif // wxUSE_GRAPHICS_DIRECT2D
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| 
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| #endif // __WXMSW__ / !__WXMSW__
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| 
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| #if wxUSE_CAIRO
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| TEST_CASE("GraphicsPathTestCaseCairo", "[path][cairo]")
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| {
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|     wxBitmap bmp(500, 500);
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|     wxMemoryDC mdc(bmp);
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|     wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetCairoRenderer()->CreateContext(mdc));
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|     REQUIRE(gc);
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|     DoAllTests(gc.get());
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| }
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| #endif // wxUSE_CAIRO
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| 
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| #define WX_CHECK_POINT(p1, p2, tolerance)      \
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|     CHECK(fabs(p1.m_x - p2.m_x) <= tolerance); \
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|     CHECK(fabs(p1.m_y - p2.m_y) <= tolerance)
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| 
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| static void TestCurrentPoint(wxGraphicsContext* gc)
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| {
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|     // No current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         // Should return (0, 0) if current point is not yet set.
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(0, 0), 0);
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|     }
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|     // MoveToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         wxPoint2DDouble pt(27, 35);
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|         path.MoveToPoint(pt);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, pt, 1E-3);
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|     }
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|     // AddLineToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         wxPoint2DDouble pt(27, 35);
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|         path.AddLineToPoint(pt);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, pt, 1E-3);
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|     }
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|     // AddLineToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(10, 18);
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|         wxPoint2DDouble pt(37, 45);
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|         path.AddLineToPoint(pt);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, pt, 1E-3);
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|     }
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|     // AddArc - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble r = 40;
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|         path.AddArc(x, y, r, 0, M_PI/2, true);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y + r), 1E-3);
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|     }
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|     // AddArc
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(20, 38);
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|         const wxDouble x = 200;
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|         const wxDouble y = 50;
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|         const wxDouble r = 40;
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|         path.AddArc(x, y, r, 0, M_PI / 2, true);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y + r), 1E-3);
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|     }
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|     // AddArcToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x1 = 80;
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|         const wxDouble y1 = 80;
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|         const wxDouble x2 = -30;
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|         const wxDouble y2 = y1;
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|         const wxDouble r = 20;
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|         wxASSERT(x1 == y1 && y2 == y1); // alpha = 45 deg
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|         double d = r / tan(45 / 180.0 * M_PI / 2.0);
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|         path.AddArcToPoint(x1, y1, x2, y2, r);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x1 - d, y2), 1E-3);
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|     }
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|     // AddArcToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 20;
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|         const wxDouble y0 = 20;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble x1 = 80;
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|         const wxDouble y1 = 80;
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|         const wxDouble x2 = 140;
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|         const wxDouble y2 = y1;
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|         const wxDouble r = 20;
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|         wxASSERT(x0 == y0 && x1 == y1 && y2 == y1); // alpha = 135 deg
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|         double d = r / tan(135 / 180.0 * M_PI / 2.0);
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|         path.AddArcToPoint(x1, y1, x2, y2, r);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x1 + d, y2), 1E-3);
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|     }
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|     // AddCurveToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x1 = 102;
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|         const wxDouble y1 = 230;
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|         const wxDouble x2 = 153;
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|         const wxDouble y2 = 25;
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|         const wxDouble x3 = 230;
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|         const wxDouble y3 = 128;
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|         path.AddCurveToPoint(x1, y1, x2, y2, x3, y3);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x3, y3), 1E-3);
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|     }
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|     // AddCurveToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 25;
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|         const wxDouble y0 = 128;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble x1 = 102;
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|         const wxDouble y1 = 230;
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|         const wxDouble x2 = 153;
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|         const wxDouble y2 = 25;
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|         const wxDouble x3 = 230;
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|         const wxDouble y3 = 128;
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|         path.AddCurveToPoint(x1, y1, x2, y2, x3, y3);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x3, y3), 1E-3);
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|     }
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|     // AddQuadCurveToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x1 = 200;
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|         const wxDouble y1 = 200;
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|         const wxDouble x2 = 300;
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|         const wxDouble y2 = 100;
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|         path.AddQuadCurveToPoint(x1, y1, x2, y2);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x2, y2), 1E-3);
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|     }
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|     // AddQuadCurveToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 20;
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|         const wxDouble y0 = 100;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble x1 = 200;
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|         const wxDouble y1 = 200;
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|         const wxDouble x2 = 300;
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|         const wxDouble y2 = 100;
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|         path.AddQuadCurveToPoint(x1, y1, x2, y2);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x2, y2), 1E-3);
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|     }
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|     // AddCircle - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble r = 30;
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|         path.AddCircle(x, y, r);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + r, y), 1E-3);
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|     }
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|     // AddCircle
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(50, 80);
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|         const wxDouble x = 100;
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|         const wxDouble y = 140;
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|         const wxDouble r = 40;
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|         path.AddCircle(x, y, r);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + r, y), 1E-3);
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|     }
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|     // AddEllipse - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble w = 40;
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|         const wxDouble h = 20;
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|         path.AddEllipse(x, y, w, h);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
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|     }
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|     // AddEllipse
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(50, 60);
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble w = 40;
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|         const wxDouble h = 20;
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|         path.AddEllipse(x, y, w, h);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
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|     }
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|     // AddRectangle - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         path.AddRectangle(x, y, 40, 20);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
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|     }
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|     // AddRectangle
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(50, 60);
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         path.AddRectangle(x, y, 50, 30);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
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|     }
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|     // AddRoundedRectangle - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble w = 40;
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|         const wxDouble h = 20;
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|         path.AddRoundedRectangle(x, y, w, h, 5);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
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|     }
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|     // AddRoundedRectangle - no current point, radius = 0
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         path.AddRoundedRectangle(x, y, 40, 20, 0); // Should behave like AddRectangle
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
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|     }
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|     // AddRoundedRectangle
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(50, 60);
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble w = 40;
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|         const wxDouble h = 20;
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|         path.AddRoundedRectangle(x, y, w, h, 5);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
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|     }
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|     // AddRoundedRectangle - radius = 0
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 50;
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|         const wxDouble y0 = 60;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble w = 40;
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|         const wxDouble h = 20;
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|         path.AddRoundedRectangle(x, y, w, h, 0); // Should behave like AddRectangle
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
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|     }
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|     // CloseSubpath - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 50;
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|         const wxDouble y0 = 80;
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|         path.AddLineToPoint(x0, y0);
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|         path.AddArcToPoint(100, 160, 50, 200, 30);
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|         path.CloseSubpath();
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x0, y0), 1E-3);
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|     }
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|     // CloseSubpath
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 10;
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|         const wxDouble y0 = 20;
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|         path.MoveToPoint(x0, y0);
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|         path.AddLineToPoint(50, 80);
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|         path.AddArcToPoint(100, 160, 50, 200, 30);
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|         path.CloseSubpath();
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, wxPoint2DDouble(x0, y0), 1E-3);
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|     }
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|     // AddPath - no current point
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|     {
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|         // Path to be added
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|         wxGraphicsPath path2 = gc->CreatePath();
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|         path2.AddArcToPoint(100, 160, 50, 200, 30);
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|         path2.AddLineToPoint(50, 80);
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|         path2.CloseSubpath();
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|         wxPoint2DDouble cp2 = path2.GetCurrentPoint();
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|         // Main path
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.AddLineToPoint(50, 80);
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|         const wxDouble x = 100;
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|         const wxDouble y = 140;
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|         path.AddRectangle(x, y, 50, 200);
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|         path.AddPath(path2);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, cp2, 1E-3);
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|     }
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|     // AddPath
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|     {
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|         // Path to be added
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|         wxGraphicsPath path2 = gc->CreatePath();
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|         path2.AddArcToPoint(100, 160, 50, 200, 30);
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|         path2.AddLineToPoint(50, 80);
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|         path2.CloseSubpath();
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|         wxPoint2DDouble cp2 = path2.GetCurrentPoint();
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|         // Main path
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(15, 35);
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|         path.AddLineToPoint(50, 80);
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|         const wxDouble x = 100;
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|         const wxDouble y = 140;
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|         const wxDouble r = 20;
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|         path.AddCircle(x, y, r);
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|         path.AddPath(path2);
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|         wxPoint2DDouble cp = path.GetCurrentPoint();
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|         WX_CHECK_POINT(cp, cp2, 1E-3);
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|     }
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| }
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| 
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| #define WX_CHECK_BOX(r1, r2, tolerance)                           \
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|     WX_CHECK_POINT(r1.GetLeftTop(), r2.GetLeftTop(), tolerance); \
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|     WX_CHECK_POINT(r1.GetRightBottom(), r2.GetRightBottom(), tolerance)
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| 
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| static void TestBox(wxGraphicsContext* gc)
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| {
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|     // No current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
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|     }
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|     // MoveToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.MoveToPoint(28, 38);
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
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|     }
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|     // AddLineToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         path.AddLineToPoint(28, 36);
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
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|     }
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|     // AddLineToPoint
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 10;
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|         const wxDouble y0 = 18;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble w = 20;
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|         const wxDouble h = 46;
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|         path.AddLineToPoint(x0 + w, y0 + h);
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 0);
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|     }
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|     // AddArc - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x = 100;
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|         const wxDouble y = 150;
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|         const wxDouble r = 40;
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|         path.AddArc(x, y, r, 0, M_PI / 2, true);
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, r, r), 1E-3);
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|     }
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|     // AddArc
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x0 = 20;
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|         const wxDouble y0 = 20;
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|         path.MoveToPoint(x0, y0);
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|         const wxDouble x = 200;
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|         const wxDouble y = 50;
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|         const wxDouble r = 40;
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|         path.AddArc(x, y, r, 0, M_PI / 2, true);
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|         const wxDouble x2 = x + r;
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|         const wxDouble y2 = y + r;
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|         wxRect2DDouble b = path.GetBox();
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|         WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, x2 - x0, y2 - y0), 1E-3);
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|     }
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|     // AddArcToPoint - no current point
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|     {
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|         wxGraphicsPath path = gc->CreatePath();
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|         const wxDouble x1 = 80;
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|         const wxDouble y1 = 0;
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|         const wxDouble x2 = x1;
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|         const wxDouble y2 = 40;
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|         const wxDouble r = 20;
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|         wxASSERT(y1 == 0 && x2 == x1); // alpha = 90 deg
 | |
|         path.AddArcToPoint(x1, y1, x2, y2, r);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(0, 0, x1, r), 1E-3);
 | |
|     }
 | |
|     // AddArcToPoint
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x0 = 20;
 | |
|         const wxDouble y0 = 20;
 | |
|         path.MoveToPoint(x0, y0);
 | |
|         const wxDouble x1 = 80;
 | |
|         const wxDouble y1 = y0;
 | |
|         const wxDouble x2 = x1;
 | |
|         const wxDouble y2 = 140;
 | |
|         const wxDouble r = 20;
 | |
|         wxASSERT(y1 == y0 && x2 == x1); // alpha = 90 deg
 | |
|         path.AddArcToPoint(x1, y1, x2, y2, r);
 | |
|         const wxDouble xe = x1;
 | |
|         const wxDouble ye = y1 + r;
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, xe - x0, ye - y0), 1E-3);
 | |
|     }
 | |
|     // AddCurveToPoint - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x1 = 102;
 | |
|         const wxDouble y1 = 230;
 | |
|         const wxDouble x2 = 153;
 | |
|         const wxDouble y2 = 25;
 | |
|         const wxDouble x3 = 230;
 | |
|         const wxDouble y3 = 128;
 | |
|         path.AddCurveToPoint(x1, y1, x2, y2, x3, y3);
 | |
|         const wxDouble xmin = wxMin(wxMin(x1, x2), x3);
 | |
|         const wxDouble ymin = wxMin(wxMin(y1, y2), y3);
 | |
|         const wxDouble xmax = wxMax(wxMax(x1, x2), x3);
 | |
|         const wxDouble ymax = wxMax(wxMax(y1, y2), y3);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         const wxDouble tolerance = 1E-3;
 | |
|         CHECK(xmin - tolerance <= b.GetLeft());
 | |
|         CHECK(ymin - tolerance <= b.GetTop());
 | |
|         CHECK(xmax + tolerance >= b.GetRight());
 | |
|         CHECK(ymax + tolerance >= b.GetBottom());
 | |
|     }
 | |
|     // AddCurveToPoint
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x0 = 25;
 | |
|         const wxDouble y0 = 128;
 | |
|         path.MoveToPoint(x0, y0);
 | |
|         const wxDouble x1 = 102;
 | |
|         const wxDouble y1 = 230;
 | |
|         const wxDouble x2 = 153;
 | |
|         const wxDouble y2 = 25;
 | |
|         const wxDouble x3 = 230;
 | |
|         const wxDouble y3 = 128;
 | |
|         path.AddCurveToPoint(x1, y1, x2, y2, x3, y3);
 | |
|         const wxDouble xmin = wxMin(wxMin(wxMin(x0, x1), x2), x3);
 | |
|         const wxDouble ymin = wxMin(wxMin(wxMin(y0, y1), y2), y3);
 | |
|         const wxDouble xmax = wxMax(wxMax(wxMax(x0, x1), x2), x3);
 | |
|         const wxDouble ymax = wxMax(wxMax(wxMax(y0, y1), y2), y3);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         const wxDouble tolerance = 1E-3;
 | |
|         CHECK(xmin - tolerance <= b.GetLeft());
 | |
|         CHECK(ymin - tolerance <= b.GetTop());
 | |
|         CHECK(xmax + tolerance >= b.GetRight());
 | |
|         CHECK(ymax + tolerance >= b.GetBottom());
 | |
|     }
 | |
|     // AddQuadCurveToPoint - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x1 = 200;
 | |
|         const wxDouble y1 = 200;
 | |
|         const wxDouble x2 = 300;
 | |
|         const wxDouble y2 = 100;
 | |
|         path.AddQuadCurveToPoint(x1, y1, x2, y2);
 | |
|         //        const wxDouble xmin = wxMin(x1, x2);
 | |
|         const wxDouble xmin = 133;
 | |
|         const wxDouble ymin = wxMin(y1, y2);
 | |
|         const wxDouble xmax = wxMax(x1, x2);
 | |
|         const wxDouble ymax = wxMax(y1, y2);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         const wxDouble tolerance = 1E-3;
 | |
|         CHECK(xmin - tolerance <= b.GetLeft());
 | |
|         CHECK(ymin - tolerance <= b.GetTop());
 | |
|         CHECK(xmax + tolerance >= b.GetRight());
 | |
|         CHECK(ymax + tolerance >= b.GetBottom());
 | |
|     }
 | |
|     // AddQuadCurveToPoint
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x0 = 20;
 | |
|         const wxDouble y0 = 100;
 | |
|         path.MoveToPoint(x0, y0);
 | |
|         const wxDouble x1 = 200;
 | |
|         const wxDouble y1 = 200;
 | |
|         const wxDouble x2 = 300;
 | |
|         const wxDouble y2 = 100;
 | |
|         path.AddQuadCurveToPoint(x1, y1, x2, y2);
 | |
|         const wxDouble xmin = wxMin(wxMin(x0, x1), x2);
 | |
|         const wxDouble ymin = wxMin(wxMin(y0, y1), y2);
 | |
|         const wxDouble xmax = wxMax(wxMax(x0, x1), x2);
 | |
|         const wxDouble ymax = wxMax(wxMax(y0, y1), y2);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         const wxDouble tolerance = 1E-3;
 | |
|         CHECK(xmin - tolerance <= b.GetLeft());
 | |
|         CHECK(ymin - tolerance <= b.GetTop());
 | |
|         CHECK(xmax + tolerance >= b.GetRight());
 | |
|         CHECK(ymax + tolerance >= b.GetBottom());
 | |
|     }
 | |
|     // AddCircle - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble r = 30;
 | |
|         path.AddCircle(x, y, r);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x - r, y - r, 2 * r, 2 * r), 1E-3);
 | |
|     }
 | |
|     // AddCircle
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 80);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 140;
 | |
|         const wxDouble r = 40;
 | |
|         path.AddCircle(x, y, r);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x - r, y - r, 2 * r, 2 * r), 1E-3);
 | |
|     }
 | |
|     // AddEllipse - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddEllipse(x, y, w, h);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddEllipse
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddEllipse(x, y, w, h);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRectangle - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddRectangle(x, y, w, h);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRectangle
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 50;
 | |
|         const wxDouble h = 30;
 | |
|         path.AddRectangle(x, y, w, h);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRoundedRectangle - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddRoundedRectangle(x, y, w, h, 5);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRoundedRectangle - no current point, radius = 0
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddRoundedRectangle(x, y, w, h, 0);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRoundedRectangle
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddRoundedRectangle(x, y, w, h, 5);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // AddRoundedRectangle - radius = 0
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 40;
 | |
|         const wxDouble h = 20;
 | |
|         path.AddRoundedRectangle(x, y, w, h, 0);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
|     // CloseSubpath - empty path
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.CloseSubpath();
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
 | |
|     }
 | |
|     // CloseSubpath - no current point
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x0 = 50;
 | |
|         const wxDouble y0 = 80;
 | |
|         path.AddLineToPoint(x0, y0);
 | |
|         const wxDouble x1 = 100;
 | |
|         const wxDouble y1 = 160;
 | |
|         path.AddLineToPoint(x1, y1);
 | |
|         path.CloseSubpath();
 | |
|         const wxDouble w = x1 - x0;
 | |
|         const wxDouble h = y1 - y0;
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 1E-3);
 | |
|     }
 | |
|     // CloseSubpath
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         const wxDouble x0 = 10;
 | |
|         const wxDouble y0 = 20;
 | |
|         path.MoveToPoint(x0, y0);
 | |
|         path.AddLineToPoint(50, 80);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 160;
 | |
|         path.AddLineToPoint(x, y);
 | |
|         path.CloseSubpath();
 | |
|         const wxDouble w = x - x0;
 | |
|         const wxDouble h = y - y0;
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 1E-3);
 | |
|     }
 | |
|     // AddPath - no current point
 | |
|     {
 | |
|         // Path to be added
 | |
|         wxGraphicsPath path2 = gc->CreatePath();
 | |
|         path2.AddLineToPoint(100, 160);
 | |
|         path2.AddLineToPoint(50, 80);
 | |
|         path2.CloseSubpath();
 | |
|         wxRect2DDouble b2 = path2.GetBox();
 | |
|         // Main path
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.AddLineToPoint(50, 80);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 140;
 | |
|         path.AddRectangle(x, y, 50, 200);
 | |
|         wxRect2DDouble b0 = path.GetBox();
 | |
|         b0.Union(b2);
 | |
|         path.AddPath(path2);
 | |
|         wxRect2DDouble b1 = path.GetBox();
 | |
|         WX_CHECK_BOX(b0, b1, 1E-3);
 | |
|     }
 | |
|     // AddPath
 | |
|     {
 | |
|         // Path to be added
 | |
|         wxGraphicsPath path2 = gc->CreatePath();
 | |
|         path2.AddArcToPoint(100, 160, 50, 200, 30);
 | |
|         path2.AddLineToPoint(50, 80);
 | |
|         path2.CloseSubpath();
 | |
|         wxRect2DDouble b2 = path2.GetBox();
 | |
|         // Main path
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(15, 35);
 | |
|         path.AddLineToPoint(50, 80);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 140;
 | |
|         const wxDouble r = 20;
 | |
|         path.AddCircle(x, y, r);
 | |
|         wxRect2DDouble b0 = path.GetBox();
 | |
|         b0.Union(b2);
 | |
|         path.AddPath(path2);
 | |
|         wxRect2DDouble b1 = path.GetBox();
 | |
|         WX_CHECK_BOX(b0, b1, 1E-3);
 | |
|     }
 | |
|     // Overlapping figures
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble xr = 100;
 | |
|         const wxDouble yr = 150;
 | |
|         const wxDouble wr = 80;
 | |
|         const wxDouble hr = 40;
 | |
|         path.AddRectangle(xr, yr, wr, hr);
 | |
|         const wxDouble xe = xr + wr / 4;
 | |
|         const wxDouble ye = yr + hr / 4;
 | |
|         const wxDouble we = wr / 2;
 | |
|         const wxDouble he = hr / 2;
 | |
|         path.AddEllipse(xe, ye, we, he);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         wxRect2DDouble r;
 | |
|         wxRect2DDouble::Union(wxRect2DDouble(xe, ye, we, he), wxRect2DDouble(xr, yr, wr, hr), &r);
 | |
|         WX_CHECK_BOX(b, r, 1E-3);
 | |
|     }
 | |
|     // Partially overlapping figures
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble xe = 100;
 | |
|         const wxDouble ye = 150;
 | |
|         const wxDouble we = 40;
 | |
|         const wxDouble he = 20;
 | |
|         path.AddEllipse(xe, ye, we, he);
 | |
|         const wxDouble xr = xe + he / 2;
 | |
|         const wxDouble yr = ye + we / 2;
 | |
|         const wxDouble wr = we + 10;
 | |
|         const wxDouble hr = he + 10;
 | |
|         path.AddRectangle(xr, yr, wr, hr);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         wxRect2DDouble r;
 | |
|         wxRect2DDouble::Union(wxRect2DDouble(xe, ye, we, he), wxRect2DDouble(xr, yr, wr, hr), &r);
 | |
|         WX_CHECK_BOX(b, r, 1E-3);
 | |
|     }
 | |
|     // Non-overlapping figures
 | |
|     {
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble xe = 100;
 | |
|         const wxDouble ye = 150;
 | |
|         const wxDouble we = 40;
 | |
|         const wxDouble he = 20;
 | |
|         path.AddEllipse(xe, ye, we, he);
 | |
|         const wxDouble xr = xe + he + 10;
 | |
|         const wxDouble yr = ye + we + 20;
 | |
|         const wxDouble wr = 50;
 | |
|         const wxDouble hr = 30;
 | |
|         path.AddRectangle(xr, yr, wr, hr);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         wxRect2DDouble r;
 | |
|         wxRect2DDouble::Union(wxRect2DDouble(xe, ye, we, he), wxRect2DDouble(xr, yr, wr, hr), &r);
 | |
|         WX_CHECK_BOX(b, r, 1E-3);
 | |
|     }
 | |
|     // Path from transformed graphics context
 | |
|     {
 | |
|         gc->PushState();
 | |
|         gc->Translate(5, 15);
 | |
|         gc->Rotate(10 * M_PI / 180);
 | |
|         wxGraphicsPath path = gc->CreatePath();
 | |
|         path.MoveToPoint(50, 60);
 | |
|         const wxDouble x = 100;
 | |
|         const wxDouble y = 150;
 | |
|         const wxDouble w = 50;
 | |
|         const wxDouble h = 30;
 | |
|         path.AddRectangle(x, y, w, h);
 | |
|         wxRect2DDouble b = path.GetBox();
 | |
|         gc->PopState();
 | |
|         WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void DoAllTests(wxGraphicsContext* gc)
 | |
| {
 | |
|     gc->DisableOffset();
 | |
|     TestCurrentPoint(gc);
 | |
|     TestBox(gc);
 | |
| }
 | |
| 
 | |
| #endif //  wxUSE_GRAPHICS_CONTEXT
 |