fc53007ab4
Verify that last point is properly positioned after the operations on wxGraphicsPath. See #18111.
402 lines
13 KiB
C++
402 lines
13 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/graphics/grsppsth.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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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_GRAPHICS_CONTEXT
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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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static void DoAllTests(wxGraphicsContext* gc);
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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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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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#else
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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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#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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#endif // __WXMSW__ / !__WXMSW__
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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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#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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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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wxPoint2DDouble cp0 = path.GetCurrentPoint();
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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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static void DoAllTests(wxGraphicsContext* gc)
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{
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gc->DisableOffset();
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TestCurrentPoint(gc);
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}
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#endif // wxUSE_GRAPHICS_CONTEXT
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