PathOpsCubicQuadIntersectionTest.cpp File Reference

#include "include/core/SkTypes.h"
#include "include/private/base/SkDebug.h"
#include "src/pathops/SkIntersections.h"
#include "src/pathops/SkPathOpsCubic.h"
#include "src/pathops/SkPathOpsPoint.h"
#include "src/pathops/SkPathOpsQuad.h"
#include "src/pathops/SkReduceOrder.h"
#include "tests/PathOpsTestCommon.h"
#include "tests/Test.h"
#include <array>

Go to the source code of this file.

Classes
struct	quadCubic

Functions
static void	cubicQuadIntersection (skiatest::Reporter *reporter, int index)
	DEF_TEST (PathOpsCubicQuadIntersection, reporter)
	DEF_TEST (PathOpsCubicQuadIntersectionOneOff, reporter)

Variables
static struct quadCubic	quadCubicTests []
static const int	quadCubicTests_count = (int) std::size(quadCubicTests)

Function Documentation

cubicQuadIntersection()

static void cubicQuadIntersection ( skiatest::Reporter *  reporter, int  index  )

static

Definition at line 58 of file PathOpsCubicQuadIntersectionTest.cpp.

                                                                         {
    int iIndex = static_cast<int>(index);
    const CubicPts& c = quadCubicTests[index].cubic;
    SkDCubic cubic;
    cubic.debugSet(c.fPts);
    SkASSERT(ValidCubic(cubic));
    const QuadPts& q = quadCubicTests[index].quad;
    SkDQuad quad;
    quad.debugSet(q.fPts);
    SkASSERT(ValidQuad(quad));
    SkReduceOrder reduce1;
    SkReduceOrder reduce2;
    int order1 = reduce1.reduce(cubic, SkReduceOrder::kNo_Quadratics);
    int order2 = reduce2.reduce(quad);
    if (order1 != 4) {
        SkDebugf("[%d] cubic order=%d\n", iIndex, order1);
        REPORTER_ASSERT(reporter, 0);
    }
    if (order2 != 3) {
        SkDebugf("[%d] quad order=%d\n", iIndex, order2);
        REPORTER_ASSERT(reporter, 0);
    }
    SkIntersections i;
    int roots = i.intersect(cubic, quad);
    for (int pt = 0; pt < roots; ++pt) {
        double tt1 = i[0][pt];
        SkDPoint xy1 = cubic.ptAtT(tt1);
        double tt2 = i[1][pt];
        SkDPoint xy2 = quad.ptAtT(tt2);
        if (!xy1.approximatelyEqual(xy2)) {
            SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
                __FUNCTION__, iIndex, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY);
        }
        REPORTER_ASSERT(reporter, xy1.approximatelyEqual(xy2));
    }
    reporter->bumpTestCount();
}

DEF_TEST() [1/2]

DEF_TEST	(	PathOpsCubicQuadIntersection	,
		reporter
	)

Definition at line 96 of file PathOpsCubicQuadIntersectionTest.cpp.

                                                 {
    for (int index = 0; index < quadCubicTests_count; ++index) {
        cubicQuadIntersection(reporter, index);
        reporter->bumpTestCount();
    }
}

DEF_TEST() [2/2]

DEF_TEST	(	PathOpsCubicQuadIntersectionOneOff	,
		reporter
	)

Definition at line 103 of file PathOpsCubicQuadIntersectionTest.cpp.

                                                       {
    cubicQuadIntersection(reporter, 0);
}

Variable Documentation

quadCubicTests

struct quadCubic quadCubicTests[]

static

quadCubicTests_count

const int quadCubicTests_count = (int) std::size(quadCubicTests)

static

Definition at line 56 of file PathOpsCubicQuadIntersectionTest.cpp.