| /* |
| * 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); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |