Add tests for the bounds of wxGraphicsPath
Check if bounding box of wxGraphicsPath is properly determined.
This commit is contained in:
Artur Wieczorek
@@ -1,5 +1,5 @@
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///////////////////////////////////////////////////////////////////////////////
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// Name: tests/graphics/grsppsth.cpp
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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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@@ -392,10 +392,460 @@ static void TestCurrentPoint(wxGraphicsContext* gc)
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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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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
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path.AddArcToPoint(x1, y1, x2, y2, r);
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(0, 0, x1, r), 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 = y0;
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const wxDouble x2 = x1;
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const wxDouble y2 = 140;
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const wxDouble r = 20;
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wxASSERT(y1 == y0 && x2 == x1); // alpha = 90 deg
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path.AddArcToPoint(x1, y1, x2, y2, r);
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const wxDouble xe = x1;
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const wxDouble ye = y1 + r;
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, xe - x0, ye - y0), 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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const wxDouble xmin = wxMin(wxMin(x1, x2), x3);
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const wxDouble ymin = wxMin(wxMin(y1, y2), y3);
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const wxDouble xmax = wxMax(wxMax(x1, x2), x3);
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const wxDouble ymax = wxMax(wxMax(y1, y2), y3);
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wxRect2DDouble b = path.GetBox();
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const wxDouble tolerance = 1E-3;
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CHECK(xmin - tolerance <= b.GetLeft());
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CHECK(ymin - tolerance <= b.GetTop());
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CHECK(xmax + tolerance >= b.GetRight());
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CHECK(ymax + tolerance >= b.GetBottom());
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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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const wxDouble xmin = wxMin(wxMin(wxMin(x0, x1), x2), x3);
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const wxDouble ymin = wxMin(wxMin(wxMin(y0, y1), y2), y3);
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const wxDouble xmax = wxMax(wxMax(wxMax(x0, x1), x2), x3);
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const wxDouble ymax = wxMax(wxMax(wxMax(y0, y1), y2), y3);
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wxRect2DDouble b = path.GetBox();
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const wxDouble tolerance = 1E-3;
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CHECK(xmin - tolerance <= b.GetLeft());
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CHECK(ymin - tolerance <= b.GetTop());
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CHECK(xmax + tolerance >= b.GetRight());
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CHECK(ymax + tolerance >= b.GetBottom());
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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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// const wxDouble xmin = wxMin(x1, x2);
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const wxDouble xmin = 133;
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const wxDouble ymin = wxMin(y1, y2);
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const wxDouble xmax = wxMax(x1, x2);
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const wxDouble ymax = wxMax(y1, y2);
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wxRect2DDouble b = path.GetBox();
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const wxDouble tolerance = 1E-3;
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CHECK(xmin - tolerance <= b.GetLeft());
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CHECK(ymin - tolerance <= b.GetTop());
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CHECK(xmax + tolerance >= b.GetRight());
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CHECK(ymax + tolerance >= b.GetBottom());
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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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const wxDouble xmin = wxMin(wxMin(x0, x1), x2);
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const wxDouble ymin = wxMin(wxMin(y0, y1), y2);
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const wxDouble xmax = wxMax(wxMax(x0, x1), x2);
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const wxDouble ymax = wxMax(wxMax(y0, y1), y2);
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wxRect2DDouble b = path.GetBox();
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const wxDouble tolerance = 1E-3;
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CHECK(xmin - tolerance <= b.GetLeft());
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CHECK(ymin - tolerance <= b.GetTop());
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CHECK(xmax + tolerance >= b.GetRight());
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CHECK(ymax + tolerance >= b.GetBottom());
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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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x - r, y - r, 2 * r, 2 * r), 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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x - r, y - r, 2 * r, 2 * r), 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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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const wxDouble w = 40;
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const wxDouble h = 20;
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path.AddRectangle(x, y, w, h);
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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const wxDouble w = 50;
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const wxDouble h = 30;
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path.AddRectangle(x, y, w, h);
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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const wxDouble w = 40;
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const wxDouble h = 20;
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path.AddRoundedRectangle(x, y, w, h, 0);
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 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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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, 0);
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x, y, w, h), 1E-3);
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}
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// CloseSubpath - empty path
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{
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wxGraphicsPath path = gc->CreatePath();
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path.CloseSubpath();
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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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// 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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const wxDouble x1 = 100;
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const wxDouble y1 = 160;
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path.AddLineToPoint(x1, y1);
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path.CloseSubpath();
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const wxDouble w = x1 - x0;
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const wxDouble h = y1 - y0;
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 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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const wxDouble x = 100;
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const wxDouble y = 160;
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path.AddLineToPoint(x, y);
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path.CloseSubpath();
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const wxDouble w = x - x0;
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const wxDouble h = y - y0;
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wxRect2DDouble b = path.GetBox();
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WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 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.AddLineToPoint(100, 160);
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path2.AddLineToPoint(50, 80);
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path2.CloseSubpath();
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wxRect2DDouble b2 = path2.GetBox();
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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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wxRect2DDouble b0 = path.GetBox();
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b0.Union(b2);
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path.AddPath(path2);
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wxRect2DDouble b1 = path.GetBox();
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WX_CHECK_BOX(b0, b1, 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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wxRect2DDouble b2 = path2.GetBox();
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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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wxRect2DDouble b0 = path.GetBox();
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b0.Union(b2);
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path.AddPath(path2);
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wxRect2DDouble b1 = path.GetBox();
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WX_CHECK_BOX(b0, b1, 1E-3);
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}
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// Overlapping figures
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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 xr = 100;
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const wxDouble yr = 150;
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const wxDouble wr = 80;
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const wxDouble hr = 40;
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path.AddRectangle(xr, yr, wr, hr);
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const wxDouble xe = xr + wr / 4;
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const wxDouble ye = yr + hr / 4;
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const wxDouble we = wr / 2;
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const wxDouble he = hr / 2;
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path.AddEllipse(xe, ye, we, he);
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wxRect2DDouble b = path.GetBox();
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wxRect2DDouble r;
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wxRect2DDouble::Union(wxRect2DDouble(xe, ye, we, he), wxRect2DDouble(xr, yr, wr, hr), &r);
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WX_CHECK_BOX(b, r, 1E-3);
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}
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// Partially overlapping figures
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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 xe = 100;
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const wxDouble ye = 150;
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const wxDouble we = 40;
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const wxDouble he = 20;
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path.AddEllipse(xe, ye, we, he);
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const wxDouble xr = xe + he / 2;
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const wxDouble yr = ye + we / 2;
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const wxDouble wr = we + 10;
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const wxDouble hr = he + 10;
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path.AddRectangle(xr, yr, wr, hr);
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wxRect2DDouble b = path.GetBox();
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wxRect2DDouble r;
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wxRect2DDouble::Union(wxRect2DDouble(xe, ye, we, he), wxRect2DDouble(xr, yr, wr, hr), &r);
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WX_CHECK_BOX(b, r, 1E-3);
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}
|
||||
// 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
|
||||
|
||||
Reference in New Issue
Block a user