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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/core/SkMatrix.h"
- #include "include/core/SkPath.h"
- #include "include/core/SkRRect.h"
- #include "src/core/SkPathPriv.h"
- #include "tests/Test.h"
- static SkRRect path_contains_rrect(skiatest::Reporter* reporter, const SkPath& path,
- SkPath::Direction* dir, unsigned* start) {
- SkRRect out;
- REPORTER_ASSERT(reporter, SkPathPriv::IsRRect(path, &out, dir, start));
- SkPath recreatedPath;
- recreatedPath.addRRect(out, *dir, *start);
- REPORTER_ASSERT(reporter, path == recreatedPath);
- // Test that rotations/mirrors of the rrect path are still rrect paths and the returned
- // parameters for the transformed paths are correct.
- static const SkMatrix kMatrices[] = {
- SkMatrix::MakeScale(1, 1),
- SkMatrix::MakeScale(-1, 1),
- SkMatrix::MakeScale(1, -1),
- SkMatrix::MakeScale(-1, -1),
- };
- for (auto& m : kMatrices) {
- SkPath xformed;
- path.transform(m, &xformed);
- SkRRect xrr = SkRRect::MakeRect(SkRect::MakeEmpty());
- SkPath::Direction xd = SkPath::kCCW_Direction;
- unsigned xs = ~0U;
- REPORTER_ASSERT(reporter, SkPathPriv::IsRRect(xformed, &xrr, &xd, &xs));
- recreatedPath.reset();
- recreatedPath.addRRect(xrr, xd, xs);
- REPORTER_ASSERT(reporter, recreatedPath == xformed);
- }
- return out;
- }
- static SkRRect inner_path_contains_rrect(skiatest::Reporter* reporter, const SkRRect& in,
- SkPath::Direction dir, unsigned start) {
- switch (in.getType()) {
- case SkRRect::kEmpty_Type:
- case SkRRect::kRect_Type:
- case SkRRect::kOval_Type:
- return in;
- default:
- break;
- }
- SkPath path;
- path.addRRect(in, dir, start);
- SkPath::Direction outDir;
- unsigned outStart;
- SkRRect rrect = path_contains_rrect(reporter, path, &outDir, &outStart);
- REPORTER_ASSERT(reporter, outDir == dir && outStart == start);
- return rrect;
- }
- static void path_contains_rrect_check(skiatest::Reporter* reporter, const SkRRect& in,
- SkPath::Direction dir, unsigned start) {
- SkRRect out = inner_path_contains_rrect(reporter, in, dir, start);
- if (in != out) {
- SkDebugf("");
- }
- REPORTER_ASSERT(reporter, in == out);
- }
- static void path_contains_rrect_nocheck(skiatest::Reporter* reporter, const SkRRect& in,
- SkPath::Direction dir, unsigned start) {
- SkRRect out = inner_path_contains_rrect(reporter, in, dir, start);
- if (in == out) {
- SkDebugf("");
- }
- }
- static void path_contains_rrect_check(skiatest::Reporter* reporter, const SkRect& r,
- SkVector v[4], SkPath::Direction dir, unsigned start) {
- SkRRect rrect;
- rrect.setRectRadii(r, v);
- path_contains_rrect_check(reporter, rrect, dir, start);
- }
- class ForceIsRRect_Private {
- public:
- ForceIsRRect_Private(SkPath* path, SkPath::Direction dir, unsigned start) {
- path->fPathRef->setIsRRect(true, dir == SkPath::kCCW_Direction, start);
- }
- };
- static void force_path_contains_rrect(skiatest::Reporter* reporter, SkPath& path,
- SkPath::Direction dir, unsigned start) {
- ForceIsRRect_Private force_rrect(&path, dir, start);
- SkPath::Direction outDir;
- unsigned outStart;
- path_contains_rrect(reporter, path, &outDir, &outStart);
- REPORTER_ASSERT(reporter, outDir == dir && outStart == start);
- }
- static void test_undetected_paths(skiatest::Reporter* reporter) {
- // We use a dummy path to get the exact conic weight used by SkPath for a circular arc. This
- // allows our local, hand-crafted, artisanal round rect paths below to exactly match the
- // factory made corporate paths produced by SkPath.
- SkPath dummyPath;
- dummyPath.addCircle(0, 0, 10);
- SkPath::RawIter iter(dummyPath);
- SkPoint dummyPts[4];
- SkPath::Verb v = iter.next(dummyPts);
- REPORTER_ASSERT(reporter, SkPath::kMove_Verb == v);
- v = iter.next(dummyPts);
- REPORTER_ASSERT(reporter, SkPath::kConic_Verb == v);
- const SkScalar weight = iter.conicWeight();
- SkPath path;
- path.moveTo(0, 62.5f);
- path.lineTo(0, 3.5f);
- path.conicTo(0, 0, 3.5f, 0, weight);
- path.lineTo(196.5f, 0);
- path.conicTo(200, 0, 200, 3.5f, weight);
- path.lineTo(200, 62.5f);
- path.conicTo(200, 66, 196.5f, 66, weight);
- path.lineTo(3.5f, 66);
- path.conicTo(0, 66, 0, 62.5, weight);
- path.close();
- force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
- path.reset();
- path.moveTo(0, 81.5f);
- path.lineTo(0, 3.5f);
- path.conicTo(0, 0, 3.5f, 0, weight);
- path.lineTo(149.5, 0);
- path.conicTo(153, 0, 153, 3.5f, weight);
- path.lineTo(153, 81.5f);
- path.conicTo(153, 85, 149.5f, 85, weight);
- path.lineTo(3.5f, 85);
- path.conicTo(0, 85, 0, 81.5f, weight);
- path.close();
- force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
- path.reset();
- path.moveTo(14, 1189);
- path.lineTo(14, 21);
- path.conicTo(14, 14, 21, 14, weight);
- path.lineTo(1363, 14);
- path.conicTo(1370, 14, 1370, 21, weight);
- path.lineTo(1370, 1189);
- path.conicTo(1370, 1196, 1363, 1196, weight);
- path.lineTo(21, 1196);
- path.conicTo(14, 1196, 14, 1189, weight);
- path.close();
- force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
- path.reset();
- path.moveTo(14, 1743);
- path.lineTo(14, 21);
- path.conicTo(14, 14, 21, 14, weight);
- path.lineTo(1363, 14);
- path.conicTo(1370, 14, 1370, 21, weight);
- path.lineTo(1370, 1743);
- path.conicTo(1370, 1750, 1363, 1750, weight);
- path.lineTo(21, 1750);
- path.conicTo(14, 1750, 14, 1743, weight);
- path.close();
- force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
- }
- static const SkScalar kWidth = 100.0f;
- static const SkScalar kHeight = 100.0f;
- static void test_tricky_radii(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- {
- // crbug.com/458522
- SkRRect rr;
- const SkRect bounds = { 3709, 3709, 3709 + 7402, 3709 + 29825 };
- const SkScalar rad = 12814;
- const SkVector vec[] = { { rad, rad }, { 0, rad }, { rad, rad }, { 0, rad } };
- rr.setRectRadii(bounds, vec);
- path_contains_rrect_check(reporter, rr, dir, start);
- }
- {
- // crbug.com//463920
- SkRect r = SkRect::MakeLTRB(0, 0, 1009, 33554432.0);
- SkVector radii[4] = {
- { 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554432.0 }, { 110.0f, 5.0f }
- };
- SkRRect rr;
- rr.setRectRadii(r, radii);
- path_contains_rrect_nocheck(reporter, rr, dir, start);
- }
- }
- }
- }
- static void test_empty_crbug_458524(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- SkRRect rr;
- const SkRect bounds = { 3709, 3709, 3709 + 7402, 3709 + 29825 };
- const SkScalar rad = 40;
- rr.setRectXY(bounds, rad, rad);
- path_contains_rrect_check(reporter, rr, dir, start);
- SkRRect other;
- SkMatrix matrix;
- matrix.setScale(0, 1);
- rr.transform(matrix, &other);
- path_contains_rrect_check(reporter, rr, dir, start);
- }
- }
- }
- static void test_inset(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- SkRRect rr, rr2;
- SkRect r = { 0, 0, 100, 100 };
- rr.setRect(r);
- rr.inset(-20, -20, &rr2);
- path_contains_rrect_check(reporter, rr, dir, start);
- rr.inset(20, 20, &rr2);
- path_contains_rrect_check(reporter, rr, dir, start);
- rr.inset(r.width()/2, r.height()/2, &rr2);
- path_contains_rrect_check(reporter, rr, dir, start);
- rr.setRectXY(r, 20, 20);
- rr.inset(19, 19, &rr2);
- path_contains_rrect_check(reporter, rr, dir, start);
- rr.inset(20, 20, &rr2);
- path_contains_rrect_check(reporter, rr, dir, start);
- }
- }
- }
- static void test_9patch_rrect(skiatest::Reporter* reporter,
- const SkRect& rect,
- SkScalar l, SkScalar t, SkScalar r, SkScalar b,
- bool checkRadii) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- SkRRect rr;
- rr.setNinePatch(rect, l, t, r, b);
- if (checkRadii) {
- path_contains_rrect_check(reporter, rr, dir, start);
- } else {
- path_contains_rrect_nocheck(reporter, rr, dir, start);
- }
- SkRRect rr2; // construct the same RR using the most general set function
- SkVector radii[4] = { { l, t }, { r, t }, { r, b }, { l, b } };
- rr2.setRectRadii(rect, radii);
- if (checkRadii) {
- path_contains_rrect_check(reporter, rr, dir, start);
- } else {
- path_contains_rrect_nocheck(reporter, rr, dir, start);
- }
- }
- }
- }
- // Test out the basic API entry points
- static void test_round_rect_basic(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- //----
- SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
- SkRRect rr1;
- rr1.setRect(rect);
- path_contains_rrect_check(reporter, rr1, dir, start);
- SkRRect rr1_2; // construct the same RR using the most general set function
- SkVector rr1_2_radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
- rr1_2.setRectRadii(rect, rr1_2_radii);
- path_contains_rrect_check(reporter, rr1_2, dir, start);
- SkRRect rr1_3; // construct the same RR using the nine patch set function
- rr1_3.setNinePatch(rect, 0, 0, 0, 0);
- path_contains_rrect_check(reporter, rr1_2, dir, start);
- //----
- SkPoint halfPoint = { SkScalarHalf(kWidth), SkScalarHalf(kHeight) };
- SkRRect rr2;
- rr2.setOval(rect);
- path_contains_rrect_check(reporter, rr2, dir, start);
- SkRRect rr2_2; // construct the same RR using the most general set function
- SkVector rr2_2_radii[4] = { { halfPoint.fX, halfPoint.fY },
- { halfPoint.fX, halfPoint.fY },
- { halfPoint.fX, halfPoint.fY },
- { halfPoint.fX, halfPoint.fY } };
- rr2_2.setRectRadii(rect, rr2_2_radii);
- path_contains_rrect_check(reporter, rr2_2, dir, start);
- SkRRect rr2_3; // construct the same RR using the nine patch set function
- rr2_3.setNinePatch(rect, halfPoint.fX, halfPoint.fY, halfPoint.fX, halfPoint.fY);
- path_contains_rrect_check(reporter, rr2_3, dir, start);
- //----
- SkPoint p = { 5, 5 };
- SkRRect rr3;
- rr3.setRectXY(rect, p.fX, p.fY);
- path_contains_rrect_check(reporter, rr3, dir, start);
- SkRRect rr3_2; // construct the same RR using the most general set function
- SkVector rr3_2_radii[4] = { { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 } };
- rr3_2.setRectRadii(rect, rr3_2_radii);
- path_contains_rrect_check(reporter, rr3_2, dir, start);
- SkRRect rr3_3; // construct the same RR using the nine patch set function
- rr3_3.setNinePatch(rect, 5, 5, 5, 5);
- path_contains_rrect_check(reporter, rr3_3, dir, start);
- //----
- test_9patch_rrect(reporter, rect, 10, 9, 8, 7, true);
- {
- // Test out the rrect from skia:3466
- SkRect rect2 = SkRect::MakeLTRB(0.358211994f, 0.755430222f, 0.872866154f,
- 0.806214333f);
- test_9patch_rrect(reporter,
- rect2,
- 0.926942348f, 0.642850280f, 0.529063463f, 0.587844372f,
- false);
- }
- //----
- SkPoint radii2[4] = { { 0, 0 }, { 0, 0 }, { 50, 50 }, { 20, 50 } };
- SkRRect rr5;
- rr5.setRectRadii(rect, radii2);
- path_contains_rrect_check(reporter, rr5, dir, start);
- }
- }
- }
- // Test out the cases when the RR degenerates to a rect
- static void test_round_rect_rects(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- //----
- SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
- SkRRect rr1;
- rr1.setRectXY(rect, 0, 0);
- path_contains_rrect_check(reporter, rr1, dir, start);
- //----
- SkPoint radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
- SkRRect rr2;
- rr2.setRectRadii(rect, radii);
- path_contains_rrect_check(reporter, rr2, dir, start);
- //----
- SkPoint radii2[4] = { { 0, 0 }, { 20, 20 }, { 50, 50 }, { 20, 50 } };
- SkRRect rr3;
- rr3.setRectRadii(rect, radii2);
- path_contains_rrect_check(reporter, rr3, dir, start);
- }
- }
- }
- // Test out the cases when the RR degenerates to an oval
- static void test_round_rect_ovals(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- //----
- SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
- SkRRect rr1;
- rr1.setRectXY(rect, SkScalarHalf(kWidth), SkScalarHalf(kHeight));
- path_contains_rrect_check(reporter, rr1, dir, start);
- }
- }
- }
- // Test out the non-degenerate RR cases
- static void test_round_rect_general(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- //----
- SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
- SkRRect rr1;
- rr1.setRectXY(rect, 20, 20);
- path_contains_rrect_check(reporter, rr1, dir, start);
- //----
- SkPoint radii[4] = { { 0, 0 }, { 20, 20 }, { 50, 50 }, { 20, 50 } };
- SkRRect rr2;
- rr2.setRectRadii(rect, radii);
- path_contains_rrect_check(reporter, rr2, dir, start);
- }
- }
- }
- static void test_round_rect_iffy_parameters(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
- SkPoint radii[4] = { { 50, 100 }, { 100, 50 }, { 50, 100 }, { 100, 50 } };
- SkRRect rr1;
- rr1.setRectRadii(rect, radii);
- path_contains_rrect_nocheck(reporter, rr1, dir, start);
- }
- }
- }
- static void set_radii(SkVector radii[4], int index, float rad) {
- sk_bzero(radii, sizeof(SkVector) * 4);
- radii[index].set(rad, rad);
- }
- static void test_skbug_3239(skiatest::Reporter* reporter) {
- const float min = SkBits2Float(0xcb7f16c8); /* -16717512.000000 */
- const float max = SkBits2Float(0x4b7f1c1d); /* 16718877.000000 */
- const float big = SkBits2Float(0x4b7f1bd7); /* 16718807.000000 */
- const float rad = 33436320;
- const SkRect rectx = SkRect::MakeLTRB(min, min, max, big);
- const SkRect recty = SkRect::MakeLTRB(min, min, big, max);
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- SkVector radii[4];
- for (int i = 0; i < 4; ++i) {
- set_radii(radii, i, rad);
- path_contains_rrect_check(reporter, rectx, radii, dir, start);
- path_contains_rrect_check(reporter, recty, radii, dir, start);
- }
- }
- }
- }
- static void test_mix(skiatest::Reporter* reporter) {
- for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
- for (int start = 0; start < 8; ++start) {
- // Test out mixed degenerate and non-degenerate geometry with Conics
- const SkVector radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 100, 100 } };
- SkRect r = SkRect::MakeWH(100, 100);
- SkRRect rr;
- rr.setRectRadii(r, radii);
- path_contains_rrect_check(reporter, rr, dir, start);
- }
- }
- }
- DEF_TEST(RoundRectInPath, reporter) {
- test_tricky_radii(reporter);
- test_empty_crbug_458524(reporter);
- test_inset(reporter);
- test_round_rect_basic(reporter);
- test_round_rect_rects(reporter);
- test_round_rect_ovals(reporter);
- test_round_rect_general(reporter);
- test_undetected_paths(reporter);
- test_round_rect_iffy_parameters(reporter);
- test_skbug_3239(reporter);
- test_mix(reporter);
- }
- DEF_TEST(RRect_fragile, reporter) {
- SkRect rect = {
- SkBits2Float(0x1f800000), // 0x003F0000 was the starter value that also fails
- SkBits2Float(0x1400001C),
- SkBits2Float(0x3F000004),
- SkBits2Float(0x3F000004),
- };
- SkPoint radii[] = {
- { SkBits2Float(0x00000001), SkBits2Float(0x00000001) },
- { SkBits2Float(0x00000020), SkBits2Float(0x00000001) },
- { SkBits2Float(0x00000000), SkBits2Float(0x00000000) },
- { SkBits2Float(0x3F000004), SkBits2Float(0x3F000004) },
- };
- SkRRect rr;
- // please don't assert
- if (false) { // disable until we fix this
- SkDebugf("%g 0x%08X\n", rect.fLeft, SkFloat2Bits(rect.fLeft));
- rr.setRectRadii(rect, radii);
- }
- }
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