0c3137c4f4
Bug: skia: Change-Id: I9fa899d409470f424fdfbef5b0c3bb528bcce40e Reviewed-on: https://skia-review.googlesource.com/108660 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com>
497 lines
18 KiB
C++
497 lines
18 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkMatrix.h"
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#include "SkPath.h"
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#include "SkPathPriv.h"
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#include "SkRRect.h"
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#include "Test.h"
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static SkRRect path_contains_rrect(skiatest::Reporter* reporter, const SkPath& path,
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SkPath::Direction* dir, unsigned* start) {
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SkRRect out;
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REPORTER_ASSERT(reporter, SkPathPriv::IsRRect(path, &out, dir, start));
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SkPath recreatedPath;
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recreatedPath.addRRect(out, *dir, *start);
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REPORTER_ASSERT(reporter, path == recreatedPath);
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// Test that rotations/mirrors of the rrect path are still rrect paths and the returned
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// parameters for the transformed paths are correct.
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static const SkMatrix kMatrices[] = {
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SkMatrix::MakeScale(1, 1),
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SkMatrix::MakeScale(-1, 1),
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SkMatrix::MakeScale(1, -1),
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SkMatrix::MakeScale(-1, -1),
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};
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for (auto& m : kMatrices) {
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SkPath xformed;
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path.transform(m, &xformed);
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SkRRect xrr = SkRRect::MakeRect(SkRect::MakeEmpty());
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SkPath::Direction xd = SkPath::kCCW_Direction;
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unsigned xs = ~0U;
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REPORTER_ASSERT(reporter, SkPathPriv::IsRRect(xformed, &xrr, &xd, &xs));
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recreatedPath.reset();
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recreatedPath.addRRect(xrr, xd, xs);
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REPORTER_ASSERT(reporter, recreatedPath == xformed);
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}
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return out;
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}
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static SkRRect inner_path_contains_rrect(skiatest::Reporter* reporter, const SkRRect& in,
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SkPath::Direction dir, unsigned start) {
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switch (in.getType()) {
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case SkRRect::kEmpty_Type:
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case SkRRect::kRect_Type:
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case SkRRect::kOval_Type:
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return in;
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default:
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break;
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}
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SkPath path;
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path.addRRect(in, dir, start);
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SkPath::Direction outDir;
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unsigned outStart;
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SkRRect rrect = path_contains_rrect(reporter, path, &outDir, &outStart);
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REPORTER_ASSERT(reporter, outDir == dir && outStart == start);
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return rrect;
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}
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static void path_contains_rrect_check(skiatest::Reporter* reporter, const SkRRect& in,
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SkPath::Direction dir, unsigned start) {
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SkRRect out = inner_path_contains_rrect(reporter, in, dir, start);
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if (in != out) {
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SkDebugf("");
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}
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REPORTER_ASSERT(reporter, in == out);
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}
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static void path_contains_rrect_nocheck(skiatest::Reporter* reporter, const SkRRect& in,
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SkPath::Direction dir, unsigned start) {
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SkRRect out = inner_path_contains_rrect(reporter, in, dir, start);
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if (in == out) {
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SkDebugf("");
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}
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}
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static void path_contains_rrect_check(skiatest::Reporter* reporter, const SkRect& r,
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SkVector v[4], SkPath::Direction dir, unsigned start) {
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SkRRect rrect;
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rrect.setRectRadii(r, v);
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path_contains_rrect_check(reporter, rrect, dir, start);
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}
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class ForceIsRRect_Private {
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public:
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ForceIsRRect_Private(SkPath* path, SkPath::Direction dir, unsigned start) {
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path->fPathRef->setIsRRect(true, dir == SkPath::kCCW_Direction, start);
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}
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};
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static void force_path_contains_rrect(skiatest::Reporter* reporter, SkPath& path,
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SkPath::Direction dir, unsigned start) {
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ForceIsRRect_Private force_rrect(&path, dir, start);
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SkPath::Direction outDir;
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unsigned outStart;
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path_contains_rrect(reporter, path, &outDir, &outStart);
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REPORTER_ASSERT(reporter, outDir == dir && outStart == start);
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}
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static void test_undetected_paths(skiatest::Reporter* reporter) {
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// We use a dummy path to get the exact conic weight used by SkPath for a circular arc. This
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// allows our local, hand-crafted, artisanal round rect paths below to exactly match the
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// factory made corporate paths produced by SkPath.
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SkPath dummyPath;
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dummyPath.addCircle(0, 0, 10);
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SkPath::RawIter iter(dummyPath);
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SkPoint dummyPts[4];
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SkPath::Verb v = iter.next(dummyPts);
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REPORTER_ASSERT(reporter, SkPath::kMove_Verb == v);
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v = iter.next(dummyPts);
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REPORTER_ASSERT(reporter, SkPath::kConic_Verb == v);
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const SkScalar weight = iter.conicWeight();
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SkPath path;
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path.moveTo(0, 62.5f);
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path.lineTo(0, 3.5f);
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path.conicTo(0, 0, 3.5f, 0, weight);
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path.lineTo(196.5f, 0);
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path.conicTo(200, 0, 200, 3.5f, weight);
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path.lineTo(200, 62.5f);
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path.conicTo(200, 66, 196.5f, 66, weight);
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path.lineTo(3.5f, 66);
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path.conicTo(0, 66, 0, 62.5, weight);
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path.close();
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force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
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path.reset();
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path.moveTo(0, 81.5f);
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path.lineTo(0, 3.5f);
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path.conicTo(0, 0, 3.5f, 0, weight);
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path.lineTo(149.5, 0);
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path.conicTo(153, 0, 153, 3.5f, weight);
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path.lineTo(153, 81.5f);
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path.conicTo(153, 85, 149.5f, 85, weight);
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path.lineTo(3.5f, 85);
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path.conicTo(0, 85, 0, 81.5f, weight);
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path.close();
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force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
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path.reset();
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path.moveTo(14, 1189);
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path.lineTo(14, 21);
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path.conicTo(14, 14, 21, 14, weight);
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path.lineTo(1363, 14);
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path.conicTo(1370, 14, 1370, 21, weight);
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path.lineTo(1370, 1189);
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path.conicTo(1370, 1196, 1363, 1196, weight);
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path.lineTo(21, 1196);
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path.conicTo(14, 1196, 14, 1189, weight);
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path.close();
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force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
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path.reset();
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path.moveTo(14, 1743);
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path.lineTo(14, 21);
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path.conicTo(14, 14, 21, 14, weight);
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path.lineTo(1363, 14);
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path.conicTo(1370, 14, 1370, 21, weight);
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path.lineTo(1370, 1743);
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path.conicTo(1370, 1750, 1363, 1750, weight);
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path.lineTo(21, 1750);
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path.conicTo(14, 1750, 14, 1743, weight);
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path.close();
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force_path_contains_rrect(reporter, path, SkPath::kCW_Direction, 6);
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}
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static const SkScalar kWidth = 100.0f;
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static const SkScalar kHeight = 100.0f;
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static void test_tricky_radii(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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{
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// crbug.com/458522
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SkRRect rr;
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const SkRect bounds = { 3709, 3709, 3709 + 7402, 3709 + 29825 };
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const SkScalar rad = 12814;
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const SkVector vec[] = { { rad, rad }, { 0, rad }, { rad, rad }, { 0, rad } };
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rr.setRectRadii(bounds, vec);
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path_contains_rrect_check(reporter, rr, dir, start);
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}
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{
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// crbug.com//463920
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SkRect r = SkRect::MakeLTRB(0, 0, 1009, 33554432.0);
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SkVector radii[4] = {
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{ 13.0f, 8.0f }, { 170.0f, 2.0 }, { 256.0f, 33554432.0 }, { 110.0f, 5.0f }
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};
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SkRRect rr;
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rr.setRectRadii(r, radii);
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path_contains_rrect_nocheck(reporter, rr, dir, start);
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}
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}
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}
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}
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static void test_empty_crbug_458524(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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SkRRect rr;
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const SkRect bounds = { 3709, 3709, 3709 + 7402, 3709 + 29825 };
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const SkScalar rad = 40;
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rr.setRectXY(bounds, rad, rad);
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path_contains_rrect_check(reporter, rr, dir, start);
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SkRRect other;
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SkMatrix matrix;
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matrix.setScale(0, 1);
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rr.transform(matrix, &other);
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path_contains_rrect_check(reporter, rr, dir, start);
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}
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}
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}
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static void test_inset(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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SkRRect rr, rr2;
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SkRect r = { 0, 0, 100, 100 };
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rr.setRect(r);
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rr.inset(-20, -20, &rr2);
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path_contains_rrect_check(reporter, rr, dir, start);
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rr.inset(20, 20, &rr2);
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path_contains_rrect_check(reporter, rr, dir, start);
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rr.inset(r.width()/2, r.height()/2, &rr2);
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path_contains_rrect_check(reporter, rr, dir, start);
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rr.setRectXY(r, 20, 20);
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rr.inset(19, 19, &rr2);
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path_contains_rrect_check(reporter, rr, dir, start);
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rr.inset(20, 20, &rr2);
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path_contains_rrect_check(reporter, rr, dir, start);
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}
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}
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}
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static void test_9patch_rrect(skiatest::Reporter* reporter,
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const SkRect& rect,
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SkScalar l, SkScalar t, SkScalar r, SkScalar b,
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bool checkRadii) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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SkRRect rr;
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rr.setNinePatch(rect, l, t, r, b);
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if (checkRadii) {
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path_contains_rrect_check(reporter, rr, dir, start);
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} else {
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path_contains_rrect_nocheck(reporter, rr, dir, start);
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}
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SkRRect rr2; // construct the same RR using the most general set function
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SkVector radii[4] = { { l, t }, { r, t }, { r, b }, { l, b } };
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rr2.setRectRadii(rect, radii);
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if (checkRadii) {
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path_contains_rrect_check(reporter, rr, dir, start);
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} else {
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path_contains_rrect_nocheck(reporter, rr, dir, start);
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}
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}
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}
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}
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// Test out the basic API entry points
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static void test_round_rect_basic(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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//----
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SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
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SkRRect rr1;
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rr1.setRect(rect);
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path_contains_rrect_check(reporter, rr1, dir, start);
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SkRRect rr1_2; // construct the same RR using the most general set function
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SkVector rr1_2_radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
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rr1_2.setRectRadii(rect, rr1_2_radii);
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path_contains_rrect_check(reporter, rr1_2, dir, start);
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SkRRect rr1_3; // construct the same RR using the nine patch set function
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rr1_3.setNinePatch(rect, 0, 0, 0, 0);
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path_contains_rrect_check(reporter, rr1_2, dir, start);
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//----
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SkPoint halfPoint = { SkScalarHalf(kWidth), SkScalarHalf(kHeight) };
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SkRRect rr2;
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rr2.setOval(rect);
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path_contains_rrect_check(reporter, rr2, dir, start);
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SkRRect rr2_2; // construct the same RR using the most general set function
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SkVector rr2_2_radii[4] = { { halfPoint.fX, halfPoint.fY },
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{ halfPoint.fX, halfPoint.fY },
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{ halfPoint.fX, halfPoint.fY },
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{ halfPoint.fX, halfPoint.fY } };
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rr2_2.setRectRadii(rect, rr2_2_radii);
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path_contains_rrect_check(reporter, rr2_2, dir, start);
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SkRRect rr2_3; // construct the same RR using the nine patch set function
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rr2_3.setNinePatch(rect, halfPoint.fX, halfPoint.fY, halfPoint.fX, halfPoint.fY);
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path_contains_rrect_check(reporter, rr2_3, dir, start);
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//----
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SkPoint p = { 5, 5 };
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SkRRect rr3;
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rr3.setRectXY(rect, p.fX, p.fY);
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path_contains_rrect_check(reporter, rr3, dir, start);
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SkRRect rr3_2; // construct the same RR using the most general set function
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SkVector rr3_2_radii[4] = { { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 } };
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rr3_2.setRectRadii(rect, rr3_2_radii);
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path_contains_rrect_check(reporter, rr3_2, dir, start);
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SkRRect rr3_3; // construct the same RR using the nine patch set function
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rr3_3.setNinePatch(rect, 5, 5, 5, 5);
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path_contains_rrect_check(reporter, rr3_3, dir, start);
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//----
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test_9patch_rrect(reporter, rect, 10, 9, 8, 7, true);
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{
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// Test out the rrect from skia:3466
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SkRect rect2 = SkRect::MakeLTRB(0.358211994f, 0.755430222f, 0.872866154f,
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0.806214333f);
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test_9patch_rrect(reporter,
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rect2,
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0.926942348f, 0.642850280f, 0.529063463f, 0.587844372f,
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false);
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}
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//----
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SkPoint radii2[4] = { { 0, 0 }, { 0, 0 }, { 50, 50 }, { 20, 50 } };
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SkRRect rr5;
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rr5.setRectRadii(rect, radii2);
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path_contains_rrect_check(reporter, rr5, dir, start);
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}
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}
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}
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// Test out the cases when the RR degenerates to a rect
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static void test_round_rect_rects(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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//----
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SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
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SkRRect rr1;
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rr1.setRectXY(rect, 0, 0);
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path_contains_rrect_check(reporter, rr1, dir, start);
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//----
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SkPoint radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } };
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SkRRect rr2;
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rr2.setRectRadii(rect, radii);
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path_contains_rrect_check(reporter, rr2, dir, start);
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//----
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SkPoint radii2[4] = { { 0, 0 }, { 20, 20 }, { 50, 50 }, { 20, 50 } };
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SkRRect rr3;
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rr3.setRectRadii(rect, radii2);
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path_contains_rrect_check(reporter, rr3, dir, start);
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}
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}
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}
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// Test out the cases when the RR degenerates to an oval
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static void test_round_rect_ovals(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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//----
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SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
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SkRRect rr1;
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rr1.setRectXY(rect, SkScalarHalf(kWidth), SkScalarHalf(kHeight));
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path_contains_rrect_check(reporter, rr1, dir, start);
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}
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}
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}
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// Test out the non-degenerate RR cases
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static void test_round_rect_general(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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//----
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SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
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SkRRect rr1;
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rr1.setRectXY(rect, 20, 20);
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path_contains_rrect_check(reporter, rr1, dir, start);
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//----
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SkPoint radii[4] = { { 0, 0 }, { 20, 20 }, { 50, 50 }, { 20, 50 } };
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SkRRect rr2;
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rr2.setRectRadii(rect, radii);
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path_contains_rrect_check(reporter, rr2, dir, start);
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}
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}
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}
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static void test_round_rect_iffy_parameters(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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SkRect rect = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
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SkPoint radii[4] = { { 50, 100 }, { 100, 50 }, { 50, 100 }, { 100, 50 } };
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SkRRect rr1;
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rr1.setRectRadii(rect, radii);
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path_contains_rrect_nocheck(reporter, rr1, dir, start);
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}
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}
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}
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static void set_radii(SkVector radii[4], int index, float rad) {
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sk_bzero(radii, sizeof(SkVector) * 4);
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radii[index].set(rad, rad);
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}
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static void test_skbug_3239(skiatest::Reporter* reporter) {
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const float min = SkBits2Float(0xcb7f16c8); /* -16717512.000000 */
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const float max = SkBits2Float(0x4b7f1c1d); /* 16718877.000000 */
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const float big = SkBits2Float(0x4b7f1bd7); /* 16718807.000000 */
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const float rad = 33436320;
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const SkRect rectx = SkRect::MakeLTRB(min, min, max, big);
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const SkRect recty = SkRect::MakeLTRB(min, min, big, max);
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
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SkVector radii[4];
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for (int i = 0; i < 4; ++i) {
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set_radii(radii, i, rad);
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path_contains_rrect_check(reporter, rectx, radii, dir, start);
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path_contains_rrect_check(reporter, recty, radii, dir, start);
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}
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}
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}
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}
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static void test_mix(skiatest::Reporter* reporter) {
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for (auto dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) {
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for (int start = 0; start < 8; ++start) {
|
|
// Test out mixed degenerate and non-degenerate geometry with Conics
|
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const SkVector radii[4] = { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 100, 100 } };
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|
SkRect r = SkRect::MakeWH(100, 100);
|
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SkRRect rr;
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rr.setRectRadii(r, radii);
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|
path_contains_rrect_check(reporter, rr, dir, start);
|
|
}
|
|
}
|
|
}
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DEF_TEST(RoundRectInPath, reporter) {
|
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test_tricky_radii(reporter);
|
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test_empty_crbug_458524(reporter);
|
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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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|
|