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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrRectBatchFactory.h" | 8 #include "GrRectBatchFactory.h" |
9 | 9 |
10 #include "GrAAStrokeRectBatch.h" | 10 #include "GrAAStrokeRectBatch.h" |
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23 geometry.fDevOutside = devOutside; | 23 geometry.fDevOutside = devOutside; |
24 geometry.fDevOutsideAssist = devOutsideAssist; | 24 geometry.fDevOutsideAssist = devOutsideAssist; |
25 geometry.fDevInside = devInside; | 25 geometry.fDevInside = devInside; |
26 geometry.fMiterStroke = miterStroke; | 26 geometry.fMiterStroke = miterStroke; |
27 | 27 |
28 return GrAAStrokeRectBatch::Create(geometry, viewMatrix); | 28 return GrAAStrokeRectBatch::Create(geometry, viewMatrix); |
29 } | 29 } |
30 | 30 |
31 namespace GrRectBatchFactory { | 31 namespace GrRectBatchFactory { |
32 | 32 |
33 GrDrawBatch* CreateStrokeBW(GrColor color, | 33 GrDrawBatch* CreateNonAAStroke(GrColor color, |
34 const SkMatrix& viewMatrix, | 34 const SkMatrix& viewMatrix, |
35 const SkRect& rect, | 35 const SkRect& rect, |
36 SkScalar strokeWidth, | 36 SkScalar strokeWidth, |
37 bool snapToPixelCenters) { | 37 bool snapToPixelCenters) { |
38 GrStrokeRectBatch::Geometry geometry; | 38 GrStrokeRectBatch::Geometry geometry; |
39 geometry.fColor = color; | 39 geometry.fColor = color; |
40 geometry.fViewMatrix = viewMatrix; | 40 geometry.fViewMatrix = viewMatrix; |
41 geometry.fRect = rect; | 41 geometry.fRect = rect; |
42 geometry.fStrokeWidth = strokeWidth; | 42 geometry.fStrokeWidth = strokeWidth; |
43 return GrStrokeRectBatch::Create(geometry, snapToPixelCenters); | 43 return GrStrokeRectBatch::Create(geometry, snapToPixelCenters); |
44 } | 44 } |
45 | 45 |
46 GrDrawBatch* CreateStrokeAA(GrColor color, | 46 GrDrawBatch* CreateAAStroke(GrColor color, |
47 const SkMatrix& viewMatrix, | 47 const SkMatrix& viewMatrix, |
48 const SkRect& rect, | 48 const SkRect& rect, |
49 const SkRect& devRect, | 49 const SkRect& devRect, |
50 const SkStrokeRec& stroke) { | 50 const SkStrokeRec& stroke) { |
51 SkVector devStrokeSize; | 51 SkVector devStrokeSize; |
52 SkScalar width = stroke.getWidth(); | 52 SkScalar width = stroke.getWidth(); |
53 if (width > 0) { | 53 if (width > 0) { |
54 devStrokeSize.set(width, width); | 54 devStrokeSize.set(width, width); |
55 viewMatrix.mapVectors(&devStrokeSize, 1); | 55 viewMatrix.mapVectors(&devStrokeSize, 1); |
56 devStrokeSize.setAbs(devStrokeSize); | 56 devStrokeSize.setAbs(devStrokeSize); |
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75 | 75 |
76 bool miterStroke = true; | 76 bool miterStroke = true; |
77 // For hairlines, make bevel and round joins appear the same as mitered ones
. | 77 // For hairlines, make bevel and round joins appear the same as mitered ones
. |
78 // small miter limit means right angles show bevel... | 78 // small miter limit means right angles show bevel... |
79 if ((width > 0) && (stroke.getJoin() != SkPaint::kMiter_Join || | 79 if ((width > 0) && (stroke.getJoin() != SkPaint::kMiter_Join || |
80 stroke.getMiter() < SK_ScalarSqrt2)) { | 80 stroke.getMiter() < SK_ScalarSqrt2)) { |
81 miterStroke = false; | 81 miterStroke = false; |
82 } | 82 } |
83 | 83 |
84 if (spare <= 0 && miterStroke) { | 84 if (spare <= 0 && miterStroke) { |
85 return CreateFillAA(color, viewMatrix, devOutside, devOutside); | 85 return CreateAAFill(color, viewMatrix, devOutside, devOutside); |
86 } | 86 } |
87 | 87 |
88 SkRect devInside(devRect); | 88 SkRect devInside(devRect); |
89 devInside.inset(rx, ry); | 89 devInside.inset(rx, ry); |
90 | 90 |
91 SkRect devOutsideAssist(devRect); | 91 SkRect devOutsideAssist(devRect); |
92 | 92 |
93 // For bevel-stroke, use 2 SkRect instances(devOutside and devOutsideAssist) | 93 // For bevel-stroke, use 2 SkRect instances(devOutside and devOutsideAssist) |
94 // to draw the outer of the rect. Because there are 8 vertices on the outer | 94 // to draw the outer of the rect. Because there are 8 vertices on the outer |
95 // edge, while vertex number of inner edge is 4, the same as miter-stroke. | 95 // edge, while vertex number of inner edge is 4, the same as miter-stroke. |
96 if (!miterStroke) { | 96 if (!miterStroke) { |
97 devOutside.inset(0, ry); | 97 devOutside.inset(0, ry); |
98 devOutsideAssist.outset(0, ry); | 98 devOutsideAssist.outset(0, ry); |
99 } | 99 } |
100 | 100 |
101 return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutsideAssis
t, devInside, | 101 return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutsideAssis
t, devInside, |
102 miterStroke); | 102 miterStroke); |
103 } | 103 } |
104 | 104 |
105 GrDrawBatch* CreateFillNestedRectsAA(GrColor color, | 105 GrDrawBatch* CreateAAFillNestedRects(GrColor color, |
106 const SkMatrix& viewMatrix, | 106 const SkMatrix& viewMatrix, |
107 const SkRect rects[2]) { | 107 const SkRect rects[2]) { |
108 SkASSERT(viewMatrix.rectStaysRect()); | 108 SkASSERT(viewMatrix.rectStaysRect()); |
109 SkASSERT(!rects[0].isEmpty() && !rects[1].isEmpty()); | 109 SkASSERT(!rects[0].isEmpty() && !rects[1].isEmpty()); |
110 | 110 |
111 SkRect devOutside, devInside; | 111 SkRect devOutside, devInside; |
112 viewMatrix.mapRect(&devOutside, rects[0]); | 112 viewMatrix.mapRect(&devOutside, rects[0]); |
113 viewMatrix.mapRect(&devInside, rects[1]); | 113 viewMatrix.mapRect(&devInside, rects[1]); |
114 | 114 |
115 if (devInside.isEmpty()) { | 115 if (devInside.isEmpty()) { |
116 return CreateFillAA(color, viewMatrix, devOutside, devOutside); | 116 return CreateAAFill(color, viewMatrix, devOutside, devOutside); |
117 } | 117 } |
118 | 118 |
119 return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutside, dev
Inside, true); | 119 return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutside, dev
Inside, true); |
120 } | 120 } |
121 | 121 |
122 }; | 122 }; |
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