blob: 5463459819483af38d14fa16fdf9a6fcc574de89 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/private/base/SkFloatingPoint.h"
#include "src/core/SkScaleToSides.h"
#include "tests/Test.h"
#include <algorithm>
#include <array>
#include <cfloat>
DEF_TEST(ScaleToSides, reporter) {
double interestingValues[] = {
// From sample app - PathFuzzer
260.01662826538085938,
63.61007690429687500,
795.98901367187500000,
217.71697616577148438,
686.15960693359375000,
556.57641601562500000,
// From skp bitbucket
111.60000228881836,
55.800003051757813,
0.99999996581812677920,
0.0,
0.5,
1.0,
2.0,
3.0,
33.0,
33554430.0,
33554431.0,
33554464.0,
333333332.0,
333333333.0,
333333334.0,
FLT_MAX,
FLT_EPSILON,
FLT_MIN,
340282569745034499980078846904281071616.0,
170141284872517249990039423452140535808.0,
170141244307698042686698575557637963776.0,
};
int numInterestingValues = (int)std::size(interestingValues);
for (int s = 0; s <= numInterestingValues; s++) {
for (int i = 0; i < numInterestingValues; i++) {
for (int j = 0; j < numInterestingValues; j++) {
for (int k = 0; k < numInterestingValues; k++) {
// We're about to cast values i and j to float, don't bother if they won't fit.
// (Is there a more robust way to test this, like SkTFitsIn but double->float?)
if (interestingValues[i] > FLT_MAX ||
interestingValues[j] > FLT_MAX) {
continue;
}
float radius1 = (float)interestingValues[i];
float radius2 = (float)interestingValues[j];
double width = interestingValues[k];
double scale = sk_ieee_double_divide(width, (double)radius1 + (double)radius2);
if (width > 0.0) {
if (s != 0) {
scale = std::min(scale, interestingValues[s-1]);
}
if (scale < 1.0 && scale > 0.0) {
SkScaleToSides::AdjustRadii(width, scale, &radius1, &radius2);
}
}
}
}
}
}
}