qt5base-lts/tests/auto/qtessellator/testtessellator.cpp
Jason McDonald 83fcb8023a Remove Q_ASSERT from qtesselator autotest
If the test data is incorrect, print a meaningful warning into the test
output.

Change-Id: Ibfe64ef41a0ff3eb47c2385d1c31191334a675a8
Task-number: QTBUG-17582
Reviewed-by: Rohan McGovern
(cherry picked from commit 28ccfa472991c0480e67b5f204a567c4023ba6d4)
2011-05-18 10:46:45 +10:00

117 lines
3.6 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the test suite of the Qt Toolkit.
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
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****************************************************************************/
#include "testtessellator.h"
#include <private/qtessellator_p.h>
#include "math.h"
#include <QtCore/QDebug>
class TestTessellator : public QTessellator
{
public:
QVector<XTrapezoid> *traps;
void addTrap(const Trapezoid &trap);
};
void TestTessellator::addTrap(const Trapezoid &trap)
{
XTrapezoid xtrap;
xtrap.top = Q27Dot5ToXFixed(trap.top);
xtrap.bottom = Q27Dot5ToXFixed(trap.bottom);
xtrap.left.p1.x = Q27Dot5ToXFixed(trap.topLeft->x);
xtrap.left.p1.y = Q27Dot5ToXFixed(trap.topLeft->y);
xtrap.left.p2.x = Q27Dot5ToXFixed(trap.bottomLeft->x);
xtrap.left.p2.y = Q27Dot5ToXFixed(trap.bottomLeft->y);
xtrap.right.p1.x = Q27Dot5ToXFixed(trap.topRight->x);
xtrap.right.p1.y = Q27Dot5ToXFixed(trap.topRight->y);
xtrap.right.p2.x = Q27Dot5ToXFixed(trap.bottomRight->x);
xtrap.right.p2.y = Q27Dot5ToXFixed(trap.bottomRight->y);
traps->append(xtrap);
}
void test_tesselate_polygon(QVector<XTrapezoid> *traps, const QPointF *points, int nPoints,
bool winding)
{
TestTessellator t;
t.traps = traps;
t.setWinding(winding);
t.tessellate(points, nPoints);
}
void test_tessellate_polygon_convex(QVector<XTrapezoid> *traps, const QPointF *points, int nPoints,
bool winding)
{
TestTessellator t;
t.traps = traps;
t.setWinding(winding);
t.tessellateConvex(points, nPoints);
}
void test_tessellate_polygon_rect(QVector<XTrapezoid> *traps, const QPointF *points, int nPoints,
bool winding)
{
// 5 points per rect
if (nPoints % 5 != 0)
qWarning() << Q_FUNC_INFO << "multiples of 5 points expected";
TestTessellator t;
t.traps = traps;
t.setWinding(winding);
for (int i = 0; i < nPoints / 5; ++i) {
QPointF rectA = points[5*i];
QPointF rectB = points[5*i+1];
QPointF rectC = points[5*i+2];
QPointF rectD = points[5*i+3];
QPointF a = (rectA + rectD) * 0.5;
QPointF b = (rectB + rectC) * 0.5;
QPointF delta = rectA - rectD;
qreal width = sqrt(delta.x() * delta.x() + delta.y() * delta.y());
t.tessellateRect(a, b, width);
}
}