625 lines
24 KiB
C++
625 lines
24 KiB
C++
/*
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* Copyright 2012 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 "SkRRect.h"
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#include "Test.h"
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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_inset(skiatest::Reporter* reporter) {
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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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REPORTER_ASSERT(reporter, rr2.isRect());
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rr.inset(20, 20, &rr2);
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REPORTER_ASSERT(reporter, rr2.isRect());
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rr.inset(r.width()/2, r.height()/2, &rr2);
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REPORTER_ASSERT(reporter, rr2.isEmpty());
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rr.setRectXY(r, 20, 20);
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rr.inset(19, 19, &rr2);
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REPORTER_ASSERT(reporter, rr2.isSimple());
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rr.inset(20, 20, &rr2);
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REPORTER_ASSERT(reporter, rr2.isRect());
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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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// Test out initialization methods
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SkPoint zeroPt = { 0, 0 };
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SkRRect empty;
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empty.setEmpty();
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REPORTER_ASSERT(reporter, SkRRect::kEmpty_Type == empty.type());
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REPORTER_ASSERT(reporter, empty.rect().isEmpty());
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter, zeroPt == empty.radii((SkRRect::Corner) i));
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}
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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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REPORTER_ASSERT(reporter, SkRRect::kRect_Type == rr1.type());
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REPORTER_ASSERT(reporter, rr1.rect() == rect);
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter, zeroPt == rr1.radii((SkRRect::Corner) i));
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}
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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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REPORTER_ASSERT(reporter, rr1_2 == rr1 && rr1_2.getType() == rr1.getType());
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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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REPORTER_ASSERT(reporter, rr1_3 == rr1 && rr1_3.getType() == rr1.getType());
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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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REPORTER_ASSERT(reporter, SkRRect::kOval_Type == rr2.type());
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REPORTER_ASSERT(reporter, rr2.rect() == rect);
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter,
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rr2.radii((SkRRect::Corner) i).equalsWithinTolerance(halfPoint));
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}
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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 }, { halfPoint.fX, halfPoint.fY },
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{ halfPoint.fX, halfPoint.fY }, { halfPoint.fX, halfPoint.fY } };
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rr2_2.setRectRadii(rect, rr2_2_radii);
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REPORTER_ASSERT(reporter, rr2_2 == rr2 && rr2_2.getType() == rr2.getType());
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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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REPORTER_ASSERT(reporter, rr2_3 == rr2 && rr2_3.getType() == rr2.getType());
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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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REPORTER_ASSERT(reporter, SkRRect::kSimple_Type == rr3.type());
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REPORTER_ASSERT(reporter, rr3.rect() == rect);
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter, p == rr3.radii((SkRRect::Corner) i));
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}
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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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REPORTER_ASSERT(reporter, rr3_2 == rr3 && rr3_2.getType() == rr3.getType());
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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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REPORTER_ASSERT(reporter, rr3_3 == rr3 && rr3_3.getType() == rr3.getType());
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//----
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SkRect ninePatchRadii = { 10, 9, 8, 7 };
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SkRRect rr4;
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rr4.setNinePatch(rect, ninePatchRadii.fLeft, ninePatchRadii.fTop, ninePatchRadii.fRight,
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ninePatchRadii.fBottom);
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REPORTER_ASSERT(reporter, SkRRect::kNinePatch_Type == rr4.type());
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REPORTER_ASSERT(reporter, rr4.rect() == rect);
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SkPoint rquad[4];
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ninePatchRadii.toQuad(rquad);
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter, rquad[i] == rr4.radii((SkRRect::Corner) i));
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}
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SkRRect rr4_2; // construct the same RR using the most general set function
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SkVector rr4_2_radii[4] = { { 10, 9 }, { 8, 9 }, {8, 7 }, { 10, 7 } };
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rr4_2.setRectRadii(rect, rr4_2_radii);
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REPORTER_ASSERT(reporter, rr4_2 == rr4 && rr4_2.getType() == rr4.getType());
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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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REPORTER_ASSERT(reporter, SkRRect::kComplex_Type == rr5.type());
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REPORTER_ASSERT(reporter, rr5.rect() == rect);
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for (int i = 0; i < 4; ++i) {
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REPORTER_ASSERT(reporter, radii2[i] == rr5.radii((SkRRect::Corner) i));
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}
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// Test out == & !=
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REPORTER_ASSERT(reporter, empty != rr3);
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REPORTER_ASSERT(reporter, rr3 != rr4);
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REPORTER_ASSERT(reporter, rr4 != rr5);
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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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SkRect r;
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//----
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SkRRect empty;
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empty.setEmpty();
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REPORTER_ASSERT(reporter, SkRRect::kEmpty_Type == empty.type());
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r = empty.rect();
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REPORTER_ASSERT(reporter, 0 == r.fLeft && 0 == r.fTop && 0 == r.fRight && 0 == r.fBottom);
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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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REPORTER_ASSERT(reporter, SkRRect::kRect_Type == rr1.type());
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r = rr1.rect();
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REPORTER_ASSERT(reporter, rect == r);
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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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REPORTER_ASSERT(reporter, SkRRect::kRect_Type == rr2.type());
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r = rr2.rect();
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REPORTER_ASSERT(reporter, rect == r);
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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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REPORTER_ASSERT(reporter, SkRRect::kComplex_Type == rr3.type());
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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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//----
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SkRect oval;
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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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REPORTER_ASSERT(reporter, SkRRect::kOval_Type == rr1.type());
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oval = rr1.rect();
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REPORTER_ASSERT(reporter, oval == rect);
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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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//----
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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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REPORTER_ASSERT(reporter, SkRRect::kSimple_Type == rr1.type());
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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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REPORTER_ASSERT(reporter, SkRRect::kComplex_Type == rr2.type());
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}
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// Test out questionable-parameter handling
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static void test_round_rect_iffy_parameters(skiatest::Reporter* reporter) {
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// When the radii exceed the base rect they are proportionally scaled down
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// to fit
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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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REPORTER_ASSERT(reporter, SkRRect::kComplex_Type == rr1.type());
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const SkPoint& p = rr1.radii(SkRRect::kUpperLeft_Corner);
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REPORTER_ASSERT(reporter, SkScalarNearlyEqual(p.fX, 33.33333f));
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REPORTER_ASSERT(reporter, SkScalarNearlyEqual(p.fY, 66.66666f));
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// Negative radii should be capped at zero
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SkRRect rr2;
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rr2.setRectXY(rect, -10, -20);
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REPORTER_ASSERT(reporter, SkRRect::kRect_Type == rr2.type());
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const SkPoint& p2 = rr2.radii(SkRRect::kUpperLeft_Corner);
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REPORTER_ASSERT(reporter, 0.0f == p2.fX);
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REPORTER_ASSERT(reporter, 0.0f == p2.fY);
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}
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// Move a small box from the start position by (stepX, stepY) 'numSteps' times
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// testing for containment in 'rr' at each step.
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static void test_direction(skiatest::Reporter* reporter, const SkRRect &rr,
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SkScalar initX, int stepX, SkScalar initY, int stepY,
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int numSteps, const bool* contains) {
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SkScalar x = initX, y = initY;
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for (int i = 0; i < numSteps; ++i) {
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SkRect test = SkRect::MakeXYWH(x, y,
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stepX ? SkIntToScalar(stepX) : SK_Scalar1,
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stepY ? SkIntToScalar(stepY) : SK_Scalar1);
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test.sort();
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REPORTER_ASSERT(reporter, contains[i] == rr.contains(test));
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x += stepX;
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y += stepY;
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}
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}
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// Exercise the RR's contains rect method
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static void test_round_rect_contains_rect(skiatest::Reporter* reporter) {
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static const int kNumRRects = 4;
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static const SkVector gRadii[kNumRRects][4] = {
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{ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, // rect
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{ { 20, 20 }, { 20, 20 }, { 20, 20 }, { 20, 20 } }, // circle
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{ { 10, 10 }, { 10, 10 }, { 10, 10 }, { 10, 10 } }, // simple
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{ { 0, 0 }, { 20, 20 }, { 10, 10 }, { 30, 30 } } // complex
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};
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SkRRect rrects[kNumRRects];
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for (int i = 0; i < kNumRRects; ++i) {
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rrects[i].setRectRadii(SkRect::MakeWH(40, 40), gRadii[i]);
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}
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// First test easy outs - boxes that are obviously out on
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// each corner and edge
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static const SkRect easyOuts[] = {
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{ -5, -5, 5, 5 }, // NW
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{ 15, -5, 20, 5 }, // N
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{ 35, -5, 45, 5 }, // NE
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{ 35, 15, 45, 20 }, // E
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{ 35, 45, 35, 45 }, // SE
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{ 15, 35, 20, 45 }, // S
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{ -5, 35, 5, 45 }, // SW
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{ -5, 15, 5, 20 } // W
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};
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for (int i = 0; i < kNumRRects; ++i) {
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for (size_t j = 0; j < SK_ARRAY_COUNT(easyOuts); ++j) {
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REPORTER_ASSERT(reporter, !rrects[i].contains(easyOuts[j]));
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}
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}
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// Now test non-trivial containment. For each compass
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// point walk a 1x1 rect in from the edge of the bounding
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// rect
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static const int kNumSteps = 15;
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bool answers[kNumRRects][8][kNumSteps] = {
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// all the test rects are inside the degenerate rrect
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{
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// rect
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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},
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// for the circle we expect 6 blocks to be out on the
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// corners (then the rest in) and only the first block
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// out on the vertical and horizontal axes (then
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// the rest in)
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{
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// circle
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{ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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},
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// for the simple round rect we expect 3 out on
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// the corners (then the rest in) and no blocks out
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// on the vertical and horizontal axes
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{
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// simple RR
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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},
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// for the complex case the answer is different for each direction
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{
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// complex RR
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// all in for NW (rect) corner (same as rect case)
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// only first block out for N (same as circle case)
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// first 6 blocks out for NE (same as circle case)
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{ 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// only first block out for E (same as circle case)
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{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// first 3 blocks out for SE (same as simple case)
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{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// first two blocks out for S
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{ 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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// first 9 blocks out for SW
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1 },
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// first two blocks out for W (same as S)
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{ 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
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}
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};
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for (int i = 0; i < kNumRRects; ++i) {
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test_direction(reporter, rrects[i], 0, 1, 0, 1, kNumSteps, answers[i][0]); // NW
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test_direction(reporter, rrects[i], 19.5f, 0, 0, 1, kNumSteps, answers[i][1]); // N
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test_direction(reporter, rrects[i], 40, -1, 0, 1, kNumSteps, answers[i][2]); // NE
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test_direction(reporter, rrects[i], 40, -1, 19.5f, 0, kNumSteps, answers[i][3]); // E
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test_direction(reporter, rrects[i], 40, -1, 40, -1, kNumSteps, answers[i][4]); // SE
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test_direction(reporter, rrects[i], 19.5f, 0, 40, -1, kNumSteps, answers[i][5]); // S
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test_direction(reporter, rrects[i], 0, 1, 40, -1, kNumSteps, answers[i][6]); // SW
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test_direction(reporter, rrects[i], 0, 1, 19.5f, 0, kNumSteps, answers[i][7]); // W
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}
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}
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// Called for a matrix that should cause SkRRect::transform to fail.
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static void assert_transform_failure(skiatest::Reporter* reporter, const SkRRect& orig,
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const SkMatrix& matrix) {
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// The test depends on the fact that the original is not empty.
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SkASSERT(!orig.isEmpty());
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SkRRect dst;
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dst.setEmpty();
|
|
|
|
const SkRRect copyOfDst = dst;
|
|
const SkRRect copyOfOrig = orig;
|
|
bool success = orig.transform(matrix, &dst);
|
|
// This transform should fail.
|
|
REPORTER_ASSERT(reporter, !success);
|
|
// Since the transform failed, dst should be unchanged.
|
|
REPORTER_ASSERT(reporter, copyOfDst == dst);
|
|
// original should not be modified.
|
|
REPORTER_ASSERT(reporter, copyOfOrig == orig);
|
|
REPORTER_ASSERT(reporter, orig != dst);
|
|
}
|
|
|
|
#define GET_RADII \
|
|
const SkVector& origUL = orig.radii(SkRRect::kUpperLeft_Corner); \
|
|
const SkVector& origUR = orig.radii(SkRRect::kUpperRight_Corner); \
|
|
const SkVector& origLR = orig.radii(SkRRect::kLowerRight_Corner); \
|
|
const SkVector& origLL = orig.radii(SkRRect::kLowerLeft_Corner); \
|
|
const SkVector& dstUL = dst.radii(SkRRect::kUpperLeft_Corner); \
|
|
const SkVector& dstUR = dst.radii(SkRRect::kUpperRight_Corner); \
|
|
const SkVector& dstLR = dst.radii(SkRRect::kLowerRight_Corner); \
|
|
const SkVector& dstLL = dst.radii(SkRRect::kLowerLeft_Corner)
|
|
|
|
// Called to test various transforms on a single SkRRect.
|
|
static void test_transform_helper(skiatest::Reporter* reporter, const SkRRect& orig) {
|
|
SkRRect dst;
|
|
dst.setEmpty();
|
|
|
|
// The identity matrix will duplicate the rrect.
|
|
bool success = orig.transform(SkMatrix::I(), &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
REPORTER_ASSERT(reporter, orig == dst);
|
|
|
|
// Skew and Perspective make transform fail.
|
|
SkMatrix matrix;
|
|
matrix.reset();
|
|
matrix.setSkewX(SkIntToScalar(2));
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
matrix.reset();
|
|
matrix.setSkewY(SkIntToScalar(3));
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
matrix.reset();
|
|
matrix.setPerspX(4);
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
matrix.reset();
|
|
matrix.setPerspY(5);
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
// Rotation fails.
|
|
matrix.reset();
|
|
matrix.setRotate(SkIntToScalar(90));
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
matrix.setRotate(SkIntToScalar(37));
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
// Translate will keep the rect moved, but otherwise the same.
|
|
matrix.reset();
|
|
SkScalar translateX = SkIntToScalar(32);
|
|
SkScalar translateY = SkIntToScalar(15);
|
|
matrix.setTranslateX(translateX);
|
|
matrix.setTranslateY(translateY);
|
|
dst.setEmpty();
|
|
success = orig.transform(matrix, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
for (int i = 0; i < 4; ++i) {
|
|
REPORTER_ASSERT(reporter,
|
|
orig.radii((SkRRect::Corner) i) == dst.radii((SkRRect::Corner) i));
|
|
}
|
|
REPORTER_ASSERT(reporter, orig.rect().width() == dst.rect().width());
|
|
REPORTER_ASSERT(reporter, orig.rect().height() == dst.rect().height());
|
|
REPORTER_ASSERT(reporter, dst.rect().left() == orig.rect().left() + translateX);
|
|
REPORTER_ASSERT(reporter, dst.rect().top() == orig.rect().top() + translateY);
|
|
|
|
// Keeping the translation, but adding skew will make transform fail.
|
|
matrix.setSkewY(SkIntToScalar(7));
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
// Scaling in -x will flip the round rect horizontally.
|
|
matrix.reset();
|
|
matrix.setScaleX(SkIntToScalar(-1));
|
|
dst.setEmpty();
|
|
success = orig.transform(matrix, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
{
|
|
GET_RADII;
|
|
// Radii have swapped in x.
|
|
REPORTER_ASSERT(reporter, origUL == dstUR);
|
|
REPORTER_ASSERT(reporter, origUR == dstUL);
|
|
REPORTER_ASSERT(reporter, origLR == dstLL);
|
|
REPORTER_ASSERT(reporter, origLL == dstLR);
|
|
}
|
|
// Width and height remain the same.
|
|
REPORTER_ASSERT(reporter, orig.rect().width() == dst.rect().width());
|
|
REPORTER_ASSERT(reporter, orig.rect().height() == dst.rect().height());
|
|
// Right and left have swapped (sort of)
|
|
REPORTER_ASSERT(reporter, orig.rect().right() == -dst.rect().left());
|
|
// Top has stayed the same.
|
|
REPORTER_ASSERT(reporter, orig.rect().top() == dst.rect().top());
|
|
|
|
// Keeping the scale, but adding a persp will make transform fail.
|
|
matrix.setPerspX(7);
|
|
assert_transform_failure(reporter, orig, matrix);
|
|
|
|
// Scaling in -y will flip the round rect vertically.
|
|
matrix.reset();
|
|
matrix.setScaleY(SkIntToScalar(-1));
|
|
dst.setEmpty();
|
|
success = orig.transform(matrix, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
{
|
|
GET_RADII;
|
|
// Radii have swapped in y.
|
|
REPORTER_ASSERT(reporter, origUL == dstLL);
|
|
REPORTER_ASSERT(reporter, origUR == dstLR);
|
|
REPORTER_ASSERT(reporter, origLR == dstUR);
|
|
REPORTER_ASSERT(reporter, origLL == dstUL);
|
|
}
|
|
// Width and height remain the same.
|
|
REPORTER_ASSERT(reporter, orig.rect().width() == dst.rect().width());
|
|
REPORTER_ASSERT(reporter, orig.rect().height() == dst.rect().height());
|
|
// Top and bottom have swapped (sort of)
|
|
REPORTER_ASSERT(reporter, orig.rect().top() == -dst.rect().bottom());
|
|
// Left has stayed the same.
|
|
REPORTER_ASSERT(reporter, orig.rect().left() == dst.rect().left());
|
|
|
|
// Scaling in -x and -y will swap in both directions.
|
|
matrix.reset();
|
|
matrix.setScaleY(SkIntToScalar(-1));
|
|
matrix.setScaleX(SkIntToScalar(-1));
|
|
dst.setEmpty();
|
|
success = orig.transform(matrix, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
{
|
|
GET_RADII;
|
|
REPORTER_ASSERT(reporter, origUL == dstLR);
|
|
REPORTER_ASSERT(reporter, origUR == dstLL);
|
|
REPORTER_ASSERT(reporter, origLR == dstUL);
|
|
REPORTER_ASSERT(reporter, origLL == dstUR);
|
|
}
|
|
// Width and height remain the same.
|
|
REPORTER_ASSERT(reporter, orig.rect().width() == dst.rect().width());
|
|
REPORTER_ASSERT(reporter, orig.rect().height() == dst.rect().height());
|
|
REPORTER_ASSERT(reporter, orig.rect().top() == -dst.rect().bottom());
|
|
REPORTER_ASSERT(reporter, orig.rect().right() == -dst.rect().left());
|
|
|
|
// Scale in both directions.
|
|
SkScalar xScale = SkIntToScalar(3);
|
|
SkScalar yScale = 3.2f;
|
|
matrix.reset();
|
|
matrix.setScaleX(xScale);
|
|
matrix.setScaleY(yScale);
|
|
dst.setEmpty();
|
|
success = orig.transform(matrix, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
// Radii are scaled.
|
|
for (int i = 0; i < 4; ++i) {
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.radii((SkRRect::Corner) i).fX,
|
|
SkScalarMul(orig.radii((SkRRect::Corner) i).fX, xScale)));
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.radii((SkRRect::Corner) i).fY,
|
|
SkScalarMul(orig.radii((SkRRect::Corner) i).fY, yScale)));
|
|
}
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.rect().width(),
|
|
SkScalarMul(orig.rect().width(), xScale)));
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.rect().height(),
|
|
SkScalarMul(orig.rect().height(), yScale)));
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.rect().left(),
|
|
SkScalarMul(orig.rect().left(), xScale)));
|
|
REPORTER_ASSERT(reporter, SkScalarNearlyEqual(dst.rect().top(),
|
|
SkScalarMul(orig.rect().top(), yScale)));
|
|
}
|
|
|
|
static void test_round_rect_transform(skiatest::Reporter* reporter) {
|
|
SkRRect rrect;
|
|
{
|
|
SkRect r = { 0, 0, kWidth, kHeight };
|
|
rrect.setRectXY(r, SkIntToScalar(4), SkIntToScalar(7));
|
|
test_transform_helper(reporter, rrect);
|
|
}
|
|
{
|
|
SkRect r = { SkIntToScalar(5), SkIntToScalar(15),
|
|
SkIntToScalar(27), SkIntToScalar(34) };
|
|
SkVector radii[4] = { { 0, SkIntToScalar(1) },
|
|
{ SkIntToScalar(2), SkIntToScalar(3) },
|
|
{ SkIntToScalar(4), SkIntToScalar(5) },
|
|
{ SkIntToScalar(6), SkIntToScalar(7) } };
|
|
rrect.setRectRadii(r, radii);
|
|
test_transform_helper(reporter, rrect);
|
|
}
|
|
}
|
|
|
|
// Test out the case where an oval already off in space is translated/scaled
|
|
// further off into space - yielding numerical issues when the rect & radii
|
|
// are transformed separatly
|
|
// BUG=skia:2696
|
|
static void test_issue_2696(skiatest::Reporter* reporter) {
|
|
SkRRect rrect;
|
|
SkRect r = { 28443.8594f, 53.1428604f, 28446.7148f, 56.0000038f };
|
|
rrect.setOval(r);
|
|
|
|
SkMatrix xform;
|
|
xform.setAll(2.44f, 0.0f, 485411.7f,
|
|
0.0f, 2.44f, -438.7f,
|
|
0.0f, 0.0f, 1.0f);
|
|
SkRRect dst;
|
|
|
|
bool success = rrect.transform(xform, &dst);
|
|
REPORTER_ASSERT(reporter, success);
|
|
|
|
SkScalar halfWidth = SkScalarHalf(dst.width());
|
|
SkScalar halfHeight = SkScalarHalf(dst.height());
|
|
|
|
for (int i = 0; i < 4; ++i) {
|
|
REPORTER_ASSERT(reporter,
|
|
SkScalarNearlyEqual(dst.radii((SkRRect::Corner)i).fX, halfWidth));
|
|
REPORTER_ASSERT(reporter,
|
|
SkScalarNearlyEqual(dst.radii((SkRRect::Corner)i).fY, halfHeight));
|
|
}
|
|
}
|
|
|
|
DEF_TEST(RoundRect, reporter) {
|
|
test_round_rect_basic(reporter);
|
|
test_round_rect_rects(reporter);
|
|
test_round_rect_ovals(reporter);
|
|
test_round_rect_general(reporter);
|
|
test_round_rect_iffy_parameters(reporter);
|
|
test_inset(reporter);
|
|
test_round_rect_contains_rect(reporter);
|
|
test_round_rect_transform(reporter);
|
|
test_issue_2696(reporter);
|
|
}
|