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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "core/paint/NinePieceImageGrid.h" |
| 7 |
| 8 #include "core/css/CSSGradientValue.h" |
| 9 #include "core/layout/LayoutTestHelper.h" |
| 10 #include "core/style/ComputedStyle.h" |
| 11 #include "core/style/NinePieceImage.h" |
| 12 #include "core/style/StyleGeneratedImage.h" |
| 13 #include <gtest/gtest.h> |
| 14 |
| 15 namespace blink { |
| 16 namespace { |
| 17 |
| 18 class NinePieceImageGridTest : public RenderingTest { |
| 19 public: |
| 20 NinePieceImageGridTest() { } |
| 21 |
| 22 PassRefPtr<StyleImage> generatedImage() |
| 23 { |
| 24 RefPtr<CSSLinearGradientValue> gradient = CSSLinearGradientValue::create
(Repeating); |
| 25 RefPtr<StyleGeneratedImage> image = StyleGeneratedImage::create(gradient
.get()); |
| 26 return image; |
| 27 } |
| 28 |
| 29 private: |
| 30 virtual void SetUp() override |
| 31 { |
| 32 RenderingTest::SetUp(); |
| 33 } |
| 34 }; |
| 35 |
| 36 TEST_F(NinePieceImageGridTest, NinePieceImagePainting_NoDrawables) |
| 37 { |
| 38 NinePieceImage ninePiece; |
| 39 ninePiece.setImage(generatedImage()); |
| 40 |
| 41 IntSize imageSize(100, 100); |
| 42 IntRect borderImageArea(0, 0, 100, 100); |
| 43 IntRectOutsets borderWidths(0, 0, 0, 0); |
| 44 |
| 45 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, imageSize, borderIma
geArea, borderWidths); |
| 46 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 47 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDrawIn
fo(piece); |
| 48 EXPECT_FALSE(drawInfo.isDrawable); |
| 49 } |
| 50 } |
| 51 |
| 52 TEST_F(NinePieceImageGridTest, NinePieceImagePainting_AllDrawable) |
| 53 { |
| 54 NinePieceImage ninePiece; |
| 55 ninePiece.setImage(generatedImage()); |
| 56 ninePiece.setImageSlices(LengthBox(10, 10, 10, 10)); |
| 57 ninePiece.setFill(true); |
| 58 |
| 59 IntSize imageSize(100, 100); |
| 60 IntRect borderImageArea(0, 0, 100, 100); |
| 61 IntRectOutsets borderWidths(10, 10, 10, 10); |
| 62 |
| 63 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, imageSize, borderIma
geArea, borderWidths); |
| 64 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 65 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDrawIn
fo(piece); |
| 66 EXPECT_TRUE(drawInfo.isDrawable); |
| 67 } |
| 68 } |
| 69 |
| 70 TEST_F(NinePieceImageGridTest, NinePieceImagePainting_NoFillMiddleNotDrawable) |
| 71 { |
| 72 NinePieceImage ninePiece; |
| 73 ninePiece.setImage(generatedImage()); |
| 74 ninePiece.setImageSlices(LengthBox(10, 10, 10, 10)); |
| 75 ninePiece.setFill(false); // default |
| 76 |
| 77 IntSize imageSize(100, 100); |
| 78 IntRect borderImageArea(0, 0, 100, 100); |
| 79 IntRectOutsets borderWidths(10, 10, 10, 10); |
| 80 |
| 81 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, imageSize, borderIma
geArea, borderWidths); |
| 82 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 83 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDrawIn
fo(piece); |
| 84 if (piece != MiddlePiece) |
| 85 EXPECT_TRUE(drawInfo.isDrawable); |
| 86 else |
| 87 EXPECT_FALSE(drawInfo.isDrawable); |
| 88 } |
| 89 } |
| 90 |
| 91 TEST_F(NinePieceImageGridTest, NinePieceImagePainting_TopLeftDrawable) |
| 92 { |
| 93 NinePieceImage ninePiece; |
| 94 ninePiece.setImage(generatedImage()); |
| 95 ninePiece.setImageSlices(LengthBox(10, 10, 10, 10)); |
| 96 |
| 97 IntSize imageSize(100, 100); |
| 98 IntRect borderImageArea(0, 0, 100, 100); |
| 99 IntRectOutsets borderWidths(10, 10, 10, 10); |
| 100 |
| 101 const struct { |
| 102 IntRectOutsets borderWidths; |
| 103 bool expectedIsDrawable; |
| 104 } testCases[] = { |
| 105 { IntRectOutsets(0, 0, 0, 0), false }, |
| 106 { IntRectOutsets(10, 0, 0, 0), false }, |
| 107 { IntRectOutsets(0, 0, 0, 10), false }, |
| 108 { IntRectOutsets(10, 0, 0, 10), true }, |
| 109 }; |
| 110 |
| 111 for (const auto& testCase : testCases) { |
| 112 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, imageSize, borde
rImageArea, testCase.borderWidths); |
| 113 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 114 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDr
awInfo(piece); |
| 115 if (piece == TopLeftPiece) |
| 116 EXPECT_EQ(drawInfo.isDrawable, testCase.expectedIsDrawable); |
| 117 } |
| 118 } |
| 119 } |
| 120 |
| 121 TEST_F(NinePieceImageGridTest, NinePieceImagePainting_ScaleDownBorder) |
| 122 { |
| 123 NinePieceImage ninePiece; |
| 124 ninePiece.setImage(generatedImage()); |
| 125 ninePiece.setImageSlices(LengthBox(10, 10, 10, 10)); |
| 126 |
| 127 IntSize imageSize(100, 100); |
| 128 IntRect borderImageArea(0, 0, 100, 100); |
| 129 IntRectOutsets borderWidths(10, 10, 10, 10); |
| 130 |
| 131 // Set border slices wide enough so that the widths are scaled |
| 132 // down and corner pieces cover the entire border image area. |
| 133 ninePiece.setBorderSlices(BorderImageLengthBox(6)); |
| 134 |
| 135 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, imageSize, borderIma
geArea, borderWidths); |
| 136 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 137 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDrawIn
fo(piece); |
| 138 if (drawInfo.isCornerPiece) |
| 139 EXPECT_EQ(drawInfo.destination.size(), FloatSize(50, 50)); |
| 140 else |
| 141 EXPECT_TRUE(drawInfo.destination.size().isEmpty()); |
| 142 } |
| 143 } |
| 144 |
| 145 TEST_F(NinePieceImageGridTest, NinePieceImagePainting) |
| 146 { |
| 147 const struct { |
| 148 IntSize imageSize; |
| 149 IntRect borderImageArea; |
| 150 IntRectOutsets borderWidths; |
| 151 bool fill; |
| 152 LengthBox imageSlices; |
| 153 Image::TileRule horizontalRule; |
| 154 Image::TileRule verticalRule; |
| 155 struct { |
| 156 bool isDrawable; |
| 157 bool isCornerPiece; |
| 158 FloatRect destination; |
| 159 FloatRect source; |
| 160 float tileScaleHorizontal; |
| 161 float tileScaleVertical; |
| 162 Image::TileRule horizontalRule; |
| 163 Image::TileRule verticalRule; |
| 164 } pieces[9]; |
| 165 } testCases[] = { |
| 166 { |
| 167 // Empty border and slices but with fill |
| 168 IntSize(100, 100), IntRect(0, 0, 100, 100), IntRectOutsets(0, 0, 0,
0), true, |
| 169 LengthBox(Length(0, Fixed), Length(0, Fixed), Length(0, Fixed), Leng
th(0, Fixed)), Image::StretchTile, Image::StretchTile, { |
| 170 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 171 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 172 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 173 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 174 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 175 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 176 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 177 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 178 { true, false, FloatRect(0, 0, 100, 100), FloatRect(0, 0, 100, 1
00), 1, 1, Image::StretchTile, Image::StretchTile }, |
| 179 }}, { |
| 180 // Single border and fill |
| 181 IntSize(100, 100), IntRect(0, 0, 100, 100), IntRectOutsets(0, 0, 10,
0), true, |
| 182 LengthBox(Length(20, Percent), Length(20, Percent), Length(20, Perce
nt), Length(20, Percent)), Image::StretchTile, Image::StretchTile, { |
| 183 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 184 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 185 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 186 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 187 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 188 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 189 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 190 { true, false, FloatRect(0, 90, 100, 10), FloatRect(20, 80, 60,
20), 0.5, 0.5, Image::StretchTile, Image::StretchTile }, |
| 191 { true, false, FloatRect(0, 0, 100, 90), FloatRect(20, 20, 60, 6
0), 1.666667, 1.5, Image::StretchTile, Image::StretchTile }, |
| 192 }}, { |
| 193 // All borders, no fill |
| 194 IntSize(100, 100), IntRect(0, 0, 100, 100), IntRectOutsets(10, 10, 1
0, 10), false, |
| 195 LengthBox(Length(20, Percent), Length(20, Percent), Length(20, Perce
nt), Length(20, Percent)), Image::StretchTile, Image::StretchTile, { |
| 196 { true, true, FloatRect(0, 0, 10, 10), FloatRect(0, 0, 20, 20),
1, 1, Image::StretchTile, Image::StretchTile }, |
| 197 { true, true, FloatRect(0, 90, 10, 10), FloatRect(0, 80, 20, 20)
, 1, 1, Image::StretchTile, Image::StretchTile }, |
| 198 { true, false, FloatRect(0, 10, 10, 80), FloatRect(0, 20, 20, 60
), 0.5, 0.5, Image::StretchTile, Image::StretchTile }, |
| 199 { true, true, FloatRect(90, 0, 10, 10), FloatRect(80, 0, 20, 20)
, 1, 1, Image::StretchTile, Image::StretchTile }, |
| 200 { true, true, FloatRect(90, 90, 10, 10), FloatRect(80, 80, 20, 2
0), 1, 1, Image::StretchTile, Image::StretchTile }, |
| 201 { true, false, FloatRect(90, 10, 10, 80), FloatRect(80, 20, 20,
60), 0.5, 0.5, Image::StretchTile, Image::StretchTile }, |
| 202 { true, false, FloatRect(10, 0, 80, 10), FloatRect(20, 0, 60, 20
), 0.5, 0.5, Image::StretchTile, Image::StretchTile }, |
| 203 { true, false, FloatRect(10, 90, 80, 10), FloatRect(20, 80, 60,
20), 0.5, 0.5, Image::StretchTile, Image::StretchTile }, |
| 204 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::StretchTile }, |
| 205 }}, { |
| 206 // Single border, no fill |
| 207 IntSize(100, 100), IntRect(0, 0, 100, 100), IntRectOutsets(0, 0, 0,
10), false, |
| 208 LengthBox(Length(20, Percent), Length(20, Percent), Length(20, Perce
nt), Length(20, Percent)), Image::StretchTile, Image::RoundTile, { |
| 209 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 210 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 211 { true, false, FloatRect(0, 0, 10, 100), FloatRect(0, 20, 20, 60
), 0.5, 0.5, Image::StretchTile, Image::RoundTile }, |
| 212 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 213 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 214 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::RoundTile }, |
| 215 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::RoundTile }, |
| 216 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::RoundTile }, |
| 217 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::RoundTile }, |
| 218 }}, { |
| 219 // All borders but no slices, with fill (stretch horizontally, space
vertically) |
| 220 IntSize(100, 100), IntRect(0, 0, 100, 100), IntRectOutsets(10, 10, 1
0, 10), true, |
| 221 LengthBox(Length(0, Fixed), Length(0, Fixed), Length(0, Fixed), Leng
th(0, Fixed)), Image::StretchTile, Image::SpaceTile, { |
| 222 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 223 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 224 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::SpaceTile }, |
| 225 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 226 { false, true, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 1,
1, Image::StretchTile, Image::StretchTile }, |
| 227 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::SpaceTile }, |
| 228 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::SpaceTile }, |
| 229 { false, false, FloatRect(0, 0, 0, 0), FloatRect(0, 0, 0, 0), 0,
0, Image::StretchTile, Image::SpaceTile }, |
| 230 { true, false, FloatRect(10, 10, 80, 80), FloatRect(0, 0, 100, 1
00), 0.800000, 1, Image::StretchTile, Image::SpaceTile }, |
| 231 }}, |
| 232 }; |
| 233 |
| 234 for (auto& testCase : testCases) { |
| 235 NinePieceImage ninePiece; |
| 236 ninePiece.setImage(generatedImage()); |
| 237 ninePiece.setFill(testCase.fill); |
| 238 ninePiece.setImageSlices(testCase.imageSlices); |
| 239 ninePiece.setHorizontalRule((ENinePieceImageRule)testCase.horizontalRule
); |
| 240 ninePiece.setVerticalRule((ENinePieceImageRule)testCase.verticalRule); |
| 241 |
| 242 NinePieceImageGrid grid = NinePieceImageGrid(ninePiece, testCase.imageSi
ze, testCase.borderImageArea, testCase.borderWidths); |
| 243 for (NinePiece piece = MinPiece; piece < MaxPiece; ++piece) { |
| 244 NinePieceImageGrid::NinePieceDrawInfo drawInfo = grid.getNinePieceDr
awInfo(piece); |
| 245 EXPECT_EQ(testCase.pieces[piece].isDrawable, drawInfo.isDrawable); |
| 246 if (!testCase.pieces[piece].isDrawable) |
| 247 continue; |
| 248 |
| 249 EXPECT_EQ(testCase.pieces[piece].destination.x(), drawInfo.destinati
on.x()); |
| 250 EXPECT_EQ(testCase.pieces[piece].destination.y(), drawInfo.destinati
on.y()); |
| 251 EXPECT_EQ(testCase.pieces[piece].destination.width(), drawInfo.desti
nation.width()); |
| 252 EXPECT_EQ(testCase.pieces[piece].destination.height(), drawInfo.dest
ination.height()); |
| 253 EXPECT_EQ(testCase.pieces[piece].source.x(), drawInfo.source.x()); |
| 254 EXPECT_EQ(testCase.pieces[piece].source.y(), drawInfo.source.y()); |
| 255 EXPECT_EQ(testCase.pieces[piece].source.width(), drawInfo.source.wid
th()); |
| 256 EXPECT_EQ(testCase.pieces[piece].source.height(), drawInfo.source.he
ight()); |
| 257 |
| 258 if (testCase.pieces[piece].isCornerPiece) |
| 259 continue; |
| 260 |
| 261 EXPECT_FLOAT_EQ(testCase.pieces[piece].tileScaleHorizontal, drawInfo
.tileScale.width()); |
| 262 EXPECT_FLOAT_EQ(testCase.pieces[piece].tileScaleVertical, drawInfo.t
ileScale.height()); |
| 263 EXPECT_EQ(testCase.pieces[piece].horizontalRule, drawInfo.tileRule.h
orizontal); |
| 264 EXPECT_EQ(testCase.pieces[piece].verticalRule, drawInfo.tileRule.ver
tical); |
| 265 } |
| 266 } |
| 267 } |
| 268 |
| 269 } // namespace |
| 270 } // namespace blink |
| 271 |
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