xref: /aosp_15_r20/external/skia/src/gpu/ganesh/ops/StrokeRectOp.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2018 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef skgpu_ganesh_StrokeRectOp_DEFINED
9 #define skgpu_ganesh_StrokeRectOp_DEFINED
10 
11 #include "src/gpu/ganesh/ops/GrOp.h"
12 
13 class GrPaint;
14 class GrRecordingContext;
15 class SkMatrix;
16 class SkStrokeRec;
17 enum class GrAAType : unsigned int;
18 struct SkRect;
19 
20 /**
21  * A set of factory functions for drawing stroked rectangles either coverage-antialiased, or
22  * non-antialiased. The non-antialiased ops can be used with MSAA. As with other GrDrawOp factories,
23  * the GrPaint is only consumed by these methods if a valid op is returned. If null is returned then
24  * the paint is unmodified and may still be used.
25  */
26 namespace skgpu::ganesh::StrokeRectOp {
27 
28 GrOp::Owner Make(GrRecordingContext*,
29                  GrPaint&&,
30                  GrAAType,
31                  const SkMatrix& viewMatrix,
32                  const SkRect&,
33                  const SkStrokeRec&);
34 
35 // rects[0] == outer rectangle, rects[1] == inner rectangle. Null return means there is nothing to
36 // draw rather than failure. The area between the rectangles will be filled by the paint, and it
37 // will be anti-aliased with coverage AA. viewMatrix.rectStaysRect() must be true.
38 GrOp::Owner MakeNested(GrRecordingContext*,
39                        GrPaint&&,
40                        const SkMatrix& viewMatrix,
41                        const SkRect rects[2]);
42 
43 } // namespace skgpu::ganesh::StrokeRectOp
44 
45 #endif // skgpu_ganesh_StrokeRectOp_DEFINED
46