Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <gtest/gtest.h> |
| 18 | #include <SkPath.h> |
| 19 | #include <SkRegion.h> |
| 20 | |
| 21 | #include "ClipArea.h" |
| 22 | |
| 23 | #include "Matrix.h" |
| 24 | #include "Rect.h" |
| 25 | #include "utils/LinearAllocator.h" |
| 26 | |
| 27 | namespace android { |
| 28 | namespace uirenderer { |
| 29 | |
| 30 | static Rect kViewportBounds(0, 0, 2048, 2048); |
| 31 | |
| 32 | static ClipArea createClipArea() { |
| 33 | ClipArea area; |
| 34 | area.setViewportDimensions(kViewportBounds.getWidth(), kViewportBounds.getHeight()); |
| 35 | return area; |
| 36 | } |
| 37 | |
| 38 | TEST(TransformedRectangle, basics) { |
| 39 | Rect r(0, 0, 100, 100); |
| 40 | Matrix4 minus90; |
| 41 | minus90.loadRotate(-90); |
| 42 | minus90.mapRect(r); |
| 43 | Rect r2(20, 40, 120, 60); |
| 44 | |
| 45 | Matrix4 m90; |
| 46 | m90.loadRotate(90); |
| 47 | TransformedRectangle tr(r, m90); |
| 48 | EXPECT_TRUE(tr.canSimplyIntersectWith(tr)); |
| 49 | |
| 50 | Matrix4 m0; |
| 51 | TransformedRectangle tr0(r2, m0); |
| 52 | EXPECT_FALSE(tr.canSimplyIntersectWith(tr0)); |
| 53 | |
| 54 | Matrix4 m45; |
| 55 | m45.loadRotate(45); |
| 56 | TransformedRectangle tr2(r, m45); |
| 57 | EXPECT_FALSE(tr2.canSimplyIntersectWith(tr)); |
| 58 | } |
| 59 | |
| 60 | TEST(RectangleList, basics) { |
| 61 | RectangleList list; |
| 62 | EXPECT_TRUE(list.isEmpty()); |
| 63 | |
| 64 | Rect r(0, 0, 100, 100); |
| 65 | Matrix4 m45; |
| 66 | m45.loadRotate(45); |
| 67 | list.set(r, m45); |
| 68 | EXPECT_FALSE(list.isEmpty()); |
| 69 | |
| 70 | Rect r2(20, 20, 200, 200); |
| 71 | list.intersectWith(r2, m45); |
| 72 | EXPECT_FALSE(list.isEmpty()); |
| 73 | EXPECT_EQ(1, list.getTransformedRectanglesCount()); |
| 74 | |
| 75 | Rect r3(20, 20, 200, 200); |
| 76 | Matrix4 m30; |
| 77 | m30.loadRotate(30); |
| 78 | list.intersectWith(r2, m30); |
| 79 | EXPECT_FALSE(list.isEmpty()); |
| 80 | EXPECT_EQ(2, list.getTransformedRectanglesCount()); |
| 81 | |
| 82 | SkRegion clip; |
| 83 | clip.setRect(0, 0, 2000, 2000); |
| 84 | SkRegion rgn(list.convertToRegion(clip)); |
| 85 | EXPECT_FALSE(rgn.isEmpty()); |
| 86 | } |
| 87 | |
| 88 | TEST(ClipArea, basics) { |
| 89 | ClipArea area(createClipArea()); |
| 90 | EXPECT_FALSE(area.isEmpty()); |
| 91 | } |
| 92 | |
| 93 | TEST(ClipArea, paths) { |
| 94 | ClipArea area(createClipArea()); |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 95 | SkPath path; |
| 96 | SkScalar r = 100; |
| 97 | path.addCircle(r, r, r); |
Chris Craik | 386aa03 | 2015-12-07 17:08:25 -0800 | [diff] [blame] | 98 | area.clipPathWithTransform(path, &Matrix4::identity(), SkRegion::kIntersect_Op); |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 99 | EXPECT_FALSE(area.isEmpty()); |
| 100 | EXPECT_FALSE(area.isSimple()); |
| 101 | EXPECT_FALSE(area.isRectangleList()); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 102 | |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 103 | Rect clipRect(area.getClipRect()); |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 104 | Rect expected(0, 0, r * 2, r * 2); |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 105 | EXPECT_EQ(expected, clipRect); |
| 106 | SkRegion clipRegion(area.getClipRegion()); |
| 107 | auto skRect(clipRegion.getBounds()); |
| 108 | Rect regionBounds; |
| 109 | regionBounds.set(skRect); |
| 110 | EXPECT_EQ(expected, regionBounds); |
| 111 | } |
Chris Craik | 8ce8f3f | 2015-07-16 13:07:45 -0700 | [diff] [blame] | 112 | |
| 113 | TEST(ClipArea, replaceNegative) { |
| 114 | ClipArea area(createClipArea()); |
| 115 | area.setClip(0, 0, 100, 100); |
| 116 | |
Chris Craik | 8ce8f3f | 2015-07-16 13:07:45 -0700 | [diff] [blame] | 117 | Rect expected(-50, -50, 50, 50); |
Chris Craik | 386aa03 | 2015-12-07 17:08:25 -0800 | [diff] [blame] | 118 | area.clipRectWithTransform(expected, &Matrix4::identity(), SkRegion::kReplace_Op); |
Chris Craik | 8ce8f3f | 2015-07-16 13:07:45 -0700 | [diff] [blame] | 119 | EXPECT_EQ(expected, area.getClipRect()); |
| 120 | } |
Chris Craik | 386aa03 | 2015-12-07 17:08:25 -0800 | [diff] [blame] | 121 | |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 122 | TEST(ClipArea, serializeClip) { |
| 123 | ClipArea area(createClipArea()); |
| 124 | LinearAllocator allocator; |
| 125 | |
| 126 | // unset clip |
| 127 | EXPECT_EQ(nullptr, area.serializeClip(allocator)); |
| 128 | |
| 129 | // rect clip |
| 130 | area.setClip(0, 0, 200, 200); |
| 131 | { |
| 132 | auto serializedClip = area.serializeClip(allocator); |
| 133 | ASSERT_NE(nullptr, serializedClip); |
| 134 | ASSERT_EQ(ClipMode::Rectangle, serializedClip->mode); |
| 135 | auto clipRect = reinterpret_cast<const ClipRect*>(serializedClip); |
Chris Craik | b4f4f3e | 2016-02-08 17:27:04 -0800 | [diff] [blame] | 136 | EXPECT_EQ(Rect(200, 200), clipRect->rect); |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 137 | EXPECT_EQ(serializedClip, area.serializeClip(allocator)) |
| 138 | << "Requery of clip on unmodified ClipArea must return same pointer."; |
| 139 | } |
| 140 | |
| 141 | // rect list |
| 142 | Matrix4 rotate; |
| 143 | rotate.loadRotate(2.0f); |
| 144 | area.clipRectWithTransform(Rect(200, 200), &rotate, SkRegion::kIntersect_Op); |
| 145 | { |
| 146 | auto serializedClip = area.serializeClip(allocator); |
| 147 | ASSERT_NE(nullptr, serializedClip); |
| 148 | ASSERT_EQ(ClipMode::RectangleList, serializedClip->mode); |
| 149 | auto clipRectList = reinterpret_cast<const ClipRectList*>(serializedClip); |
Chris Craik | b4f4f3e | 2016-02-08 17:27:04 -0800 | [diff] [blame] | 150 | EXPECT_EQ(2, clipRectList->rectList.getTransformedRectanglesCount()); |
| 151 | EXPECT_FALSE(clipRectList->rect.isEmpty()); |
| 152 | EXPECT_FLOAT_EQ(199.87817f, clipRectList->rect.right) |
| 153 | << "Right side should be clipped by rotated rect"; |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 154 | EXPECT_EQ(serializedClip, area.serializeClip(allocator)) |
| 155 | << "Requery of clip on unmodified ClipArea must return same pointer."; |
| 156 | } |
| 157 | |
| 158 | // region |
| 159 | SkPath circlePath; |
| 160 | circlePath.addCircle(100, 100, 100); |
| 161 | area.clipPathWithTransform(circlePath, &Matrix4::identity(), SkRegion::kReplace_Op); |
| 162 | { |
| 163 | auto serializedClip = area.serializeClip(allocator); |
| 164 | ASSERT_NE(nullptr, serializedClip); |
| 165 | ASSERT_EQ(ClipMode::Region, serializedClip->mode); |
| 166 | auto clipRegion = reinterpret_cast<const ClipRegion*>(serializedClip); |
Chris Craik | b4f4f3e | 2016-02-08 17:27:04 -0800 | [diff] [blame] | 167 | EXPECT_EQ(SkIRect::MakeWH(200, 200), clipRegion->region.getBounds()) |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 168 | << "Clip region should be 200x200"; |
Chris Craik | b4f4f3e | 2016-02-08 17:27:04 -0800 | [diff] [blame] | 169 | EXPECT_EQ(Rect(200, 200), clipRegion->rect); |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 170 | EXPECT_EQ(serializedClip, area.serializeClip(allocator)) |
| 171 | << "Requery of clip on unmodified ClipArea must return same pointer."; |
| 172 | } |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 173 | } |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 174 | |
| 175 | TEST(ClipArea, serializeIntersectedClip) { |
| 176 | ClipArea area(createClipArea()); |
| 177 | LinearAllocator allocator; |
| 178 | |
| 179 | // simple state; |
| 180 | EXPECT_EQ(nullptr, area.serializeIntersectedClip(allocator, nullptr, Matrix4::identity())); |
| 181 | area.setClip(0, 0, 200, 200); |
| 182 | { |
| 183 | auto origRectClip = area.serializeClip(allocator); |
| 184 | ASSERT_NE(nullptr, origRectClip); |
| 185 | EXPECT_EQ(origRectClip, area.serializeIntersectedClip(allocator, nullptr, Matrix4::identity())); |
| 186 | } |
| 187 | |
| 188 | // rect |
| 189 | { |
| 190 | ClipRect recordedClip(Rect(100, 100)); |
| 191 | Matrix4 translateScale; |
| 192 | translateScale.loadTranslate(100, 100, 0); |
| 193 | translateScale.scale(2, 3, 1); |
| 194 | auto resolvedClip = area.serializeIntersectedClip(allocator, &recordedClip, translateScale); |
| 195 | ASSERT_NE(nullptr, resolvedClip); |
| 196 | ASSERT_EQ(ClipMode::Rectangle, resolvedClip->mode); |
| 197 | EXPECT_EQ(Rect(100, 100, 200, 200), |
| 198 | reinterpret_cast<const ClipRect*>(resolvedClip)->rect); |
| 199 | |
| 200 | EXPECT_EQ(resolvedClip, area.serializeIntersectedClip(allocator, &recordedClip, translateScale)) |
| 201 | << "Must return previous serialization, since input is same"; |
| 202 | |
| 203 | ClipRect recordedClip2(Rect(100, 100)); |
| 204 | EXPECT_NE(resolvedClip, area.serializeIntersectedClip(allocator, &recordedClip2, translateScale)) |
| 205 | << "Shouldn't return previous serialization, since matrix location is different"; |
| 206 | } |
| 207 | |
| 208 | // rect list |
| 209 | Matrix4 rotate; |
| 210 | rotate.loadRotate(2.0f); |
| 211 | area.clipRectWithTransform(Rect(200, 200), &rotate, SkRegion::kIntersect_Op); |
| 212 | { |
| 213 | ClipRect recordedClip(Rect(100, 100)); |
| 214 | auto resolvedClip = area.serializeIntersectedClip(allocator, &recordedClip, Matrix4::identity()); |
| 215 | ASSERT_NE(nullptr, resolvedClip); |
| 216 | ASSERT_EQ(ClipMode::RectangleList, resolvedClip->mode); |
| 217 | auto clipRectList = reinterpret_cast<const ClipRectList*>(resolvedClip); |
| 218 | EXPECT_EQ(2, clipRectList->rectList.getTransformedRectanglesCount()); |
| 219 | } |
| 220 | |
| 221 | // region |
| 222 | SkPath circlePath; |
| 223 | circlePath.addCircle(100, 100, 100); |
| 224 | area.clipPathWithTransform(circlePath, &Matrix4::identity(), SkRegion::kReplace_Op); |
| 225 | { |
| 226 | SkPath ovalPath; |
| 227 | ovalPath.addOval(SkRect::MakeLTRB(50, 0, 150, 200)); |
| 228 | |
| 229 | ClipRegion recordedClip; |
| 230 | recordedClip.region.setPath(ovalPath, SkRegion(SkIRect::MakeWH(200, 200))); |
Chris Craik | 261725f | 2016-02-29 12:52:33 -0800 | [diff] [blame] | 231 | recordedClip.rect = Rect(200, 200); |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 232 | |
| 233 | Matrix4 translate10x20; |
| 234 | translate10x20.loadTranslate(10, 20, 0); |
| 235 | auto resolvedClip = area.serializeIntersectedClip(allocator, &recordedClip, |
| 236 | translate10x20); // Note: only translate for now, others not handled correctly |
| 237 | ASSERT_NE(nullptr, resolvedClip); |
| 238 | ASSERT_EQ(ClipMode::Region, resolvedClip->mode); |
| 239 | auto clipRegion = reinterpret_cast<const ClipRegion*>(resolvedClip); |
| 240 | EXPECT_EQ(SkIRect::MakeLTRB(60, 20, 160, 200), clipRegion->region.getBounds()); |
| 241 | } |
Rob Tsuk | 487a92c | 2015-01-06 13:22:54 -0800 | [diff] [blame] | 242 | } |
Chris Craik | e4db79d | 2015-12-22 16:32:23 -0800 | [diff] [blame] | 243 | |
| 244 | } // namespace uirenderer |
| 245 | } // namespace android |