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wxWidgets/tests/graphics/graphpath.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/graphics/grappath.cpp
// Purpose: graphics path unit tests
// Author: Artur Wieczorek
// Created: 2018-07-01
// Copyright: (c) 2018 wxWidgets development team
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#if wxUSE_GRAPHICS_CONTEXT
#include "wx/bitmap.h"
#include "wx/dcmemory.h"
#include "wx/dcgraph.h"
#include "wx/scopedptr.h"
static void DoAllTests(wxGraphicsContext* gc);
// For MSW we have individual test cases for each graphics renderer
// so we don't need to execute tests with default renderer.
#ifndef __WXMSW__
TEST_CASE("GraphicsPathTestCase", "[path]")
{
wxBitmap bmp(500, 500);
wxMemoryDC mdc(bmp);
wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetDefaultRenderer()->CreateContext(mdc));
REQUIRE(gc);
DoAllTests(gc.get());
}
#else
#if wxUSE_GRAPHICS_GDIPLUS
TEST_CASE("GraphicsPathTestCaseGDIPlus", "[path][gdi+]")
{
wxBitmap bmp(500, 500);
wxMemoryDC mdc(bmp);
wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetGDIPlusRenderer()->CreateContext(mdc));
REQUIRE(gc);
DoAllTests(gc.get());
}
#endif // wxUSE_GRAPHICS_GDIPLUS
#if wxUSE_GRAPHICS_DIRECT2D
TEST_CASE("GraphicsPathTestCaseDirect2D", "[path][d2d]")
{
wxBitmap bmp(500, 500);
wxMemoryDC mdc(bmp);
wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetDirect2DRenderer()->CreateContext(mdc));
REQUIRE(gc);
DoAllTests(gc.get());
}
#endif // wxUSE_GRAPHICS_DIRECT2D
#endif // __WXMSW__ / !__WXMSW__
#if wxUSE_CAIRO
TEST_CASE("GraphicsPathTestCaseCairo", "[path][cairo]")
{
wxBitmap bmp(500, 500);
wxMemoryDC mdc(bmp);
wxScopedPtr<wxGraphicsContext> gc(wxGraphicsRenderer::GetCairoRenderer()->CreateContext(mdc));
REQUIRE(gc);
DoAllTests(gc.get());
}
#endif // wxUSE_CAIRO
#define WX_CHECK_POINT(p1, p2, tolerance) \
CHECK(fabs(p1.m_x - p2.m_x) <= tolerance); \
CHECK(fabs(p1.m_y - p2.m_y) <= tolerance)
static void TestCurrentPoint(wxGraphicsContext* gc)
{
// No current point
{
wxGraphicsPath path = gc->CreatePath();
// Should return (0, 0) if current point is not yet set.
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(0, 0), 0);
}
// MoveToPoint
{
wxGraphicsPath path = gc->CreatePath();
wxPoint2DDouble pt(27, 35);
path.MoveToPoint(pt);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, pt, 1E-3);
}
// AddLineToPoint - no current point
{
wxGraphicsPath path = gc->CreatePath();
wxPoint2DDouble pt(27, 35);
path.AddLineToPoint(pt);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, pt, 1E-3);
}
// AddLineToPoint
{
wxGraphicsPath path = gc->CreatePath();
path.MoveToPoint(10, 18);
wxPoint2DDouble pt(37, 45);
path.AddLineToPoint(pt);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, pt, 1E-3);
}
// AddArc - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x = 100;
const wxDouble y = 150;
const wxDouble r = 40;
path.AddArc(x, y, r, 0, M_PI/2, true);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y + r), 1E-3);
}
// AddArc
{
wxGraphicsPath path = gc->CreatePath();
path.MoveToPoint(20, 38);
const wxDouble x = 200;
const wxDouble y = 50;
const wxDouble r = 40;
path.AddArc(x, y, r, 0, M_PI / 2, true);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y + r), 1E-3);
}
// AddArcToPoint - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x1 = 80;
const wxDouble y1 = 80;
const wxDouble x2 = -30;
const wxDouble y2 = y1;
const wxDouble r = 20;
wxASSERT(x1 == y1 && y2 == y1); // alpha = 45 deg
double d = r / tan(45 / 180.0 * M_PI / 2.0);
path.AddArcToPoint(x1, y1, x2, y2, r);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x1 - d, y2), 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 = 80;
const wxDouble x2 = 140;
const wxDouble y2 = y1;
const wxDouble r = 20;
wxASSERT(x0 == y0 && x1 == y1 && y2 == y1); // alpha = 135 deg
double d = r / tan(135 / 180.0 * M_PI / 2.0);
path.AddArcToPoint(x1, y1, x2, y2, r);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x1 + d, y2), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x3, y3), 1E-3);
}
// 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x3, y3), 1E-3);
}
// 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x2, y2), 1E-3);
}
// 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x2, y2), 1E-3);
}
// 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + r, y), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + r, y), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
}
// AddRectangle - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x = 100;
const wxDouble y = 150;
path.AddRectangle(x, y, 40, 20);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
}
// AddRectangle
{
wxGraphicsPath path = gc->CreatePath();
path.MoveToPoint(50, 60);
const wxDouble x = 100;
const wxDouble y = 150;
path.AddRectangle(x, y, 50, 30);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
}
// AddRoundedRectangle - no current point, radius = 0
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x = 100;
const wxDouble y = 150;
path.AddRoundedRectangle(x, y, 40, 20, 0); // Should behave like AddRectangle
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 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);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x + w, y + h / 2), 1E-3);
}
// AddRoundedRectangle - radius = 0
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x0 = 50;
const wxDouble y0 = 60;
path.MoveToPoint(x0, y0);
const wxDouble x = 100;
const wxDouble y = 150;
const wxDouble w = 40;
const wxDouble h = 20;
path.AddRoundedRectangle(x, y, w, h, 0); // Should behave like AddRectangle
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x, y), 1E-3);
}
// CloseSubpath - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x0 = 50;
const wxDouble y0 = 80;
path.AddLineToPoint(x0, y0);
path.AddArcToPoint(100, 160, 50, 200, 30);
path.CloseSubpath();
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x0, y0), 1E-3);
}
// CloseSubpath
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x0 = 10;
const wxDouble y0 = 20;
path.MoveToPoint(x0, y0);
path.AddLineToPoint(50, 80);
path.AddArcToPoint(100, 160, 50, 200, 30);
path.CloseSubpath();
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, wxPoint2DDouble(x0, y0), 1E-3);
}
// AddPath - no current point
{
// Path to be added
wxGraphicsPath path2 = gc->CreatePath();
path2.AddArcToPoint(100, 160, 50, 200, 30);
path2.AddLineToPoint(50, 80);
path2.CloseSubpath();
wxPoint2DDouble cp2 = path2.GetCurrentPoint();
// Main path
wxGraphicsPath path = gc->CreatePath();
path.AddLineToPoint(50, 80);
const wxDouble x = 100;
const wxDouble y = 140;
path.AddRectangle(x, y, 50, 200);
path.AddPath(path2);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, cp2, 1E-3);
}
// AddPath
{
// Path to be added
wxGraphicsPath path2 = gc->CreatePath();
path2.AddArcToPoint(100, 160, 50, 200, 30);
path2.AddLineToPoint(50, 80);
path2.CloseSubpath();
wxPoint2DDouble cp2 = path2.GetCurrentPoint();
// 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);
path.AddPath(path2);
wxPoint2DDouble cp = path.GetCurrentPoint();
WX_CHECK_POINT(cp, cp2, 1E-3);
}
}
#define WX_CHECK_BOX(r1, r2, tolerance) \
WX_CHECK_POINT(r1.GetLeftTop(), r2.GetLeftTop(), tolerance); \
WX_CHECK_POINT(r1.GetRightBottom(), r2.GetRightBottom(), tolerance)
static void TestBox(wxGraphicsContext* gc)
{
// No current point
{
wxGraphicsPath path = gc->CreatePath();
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
}
// MoveToPoint
{
wxGraphicsPath path = gc->CreatePath();
path.MoveToPoint(28, 38);
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
}
// AddLineToPoint - no current point
{
wxGraphicsPath path = gc->CreatePath();
path.AddLineToPoint(28, 36);
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(0, 0, 0, 0), 0);
}
// AddLineToPoint
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x0 = 10;
const wxDouble y0 = 18;
path.MoveToPoint(x0, y0);
const wxDouble w = 20;
const wxDouble h = 46;
path.AddLineToPoint(x0 + w, y0 + h);
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, w, h), 0);
}
// AddArc - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x = 100;
const wxDouble y = 150;
const wxDouble r = 40;
path.AddArc(x, y, r, 0, M_PI / 2, true);
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(x, y, r, r), 1E-3);
}
// AddArc
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x0 = 20;
const wxDouble y0 = 20;
path.MoveToPoint(x0, y0);
const wxDouble x = 200;
const wxDouble y = 50;
const wxDouble r = 40;
path.AddArc(x, y, r, 0, M_PI / 2, true);
const wxDouble x2 = x + r;
const wxDouble y2 = y + r;
wxRect2DDouble b = path.GetBox();
WX_CHECK_BOX(b, wxRect2DDouble(x0, y0, x2 - x0, y2 - y0), 1E-3);
}
// AddArcToPoint - no current point
{
wxGraphicsPath path = gc->CreatePath();
const wxDouble x1 = 80;
const wxDouble y1 = 0;
const wxDouble x2 = x1;
const wxDouble y2 = 40;
const wxDouble r = 20;
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
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