src/gpu/effects/GrDashingEffect.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrDashingEffect_DEFINED
#define GrDashingEffect_DEFINED

#include "GrColor.h"
#include "GrTypesPriv.h"
#include "SkPathEffect.h"

class GrClip;
class GrDrawBatch;
class GrStyle;

namespace GrDashingEffect {
    enum class AAMode {
        kNone,
        kCoverage,
        kCoverageWithMSAA,
    };
    static const int kAAModeCnt = static_cast<int>(AAMode::kCoverageWithMSAA) + 1;

    GrDrawBatch* CreateDashLineBatch(GrColor,
                                     const SkMatrix& viewMatrix,
                                     const SkPoint pts[2],
                                     AAMode,
                                     const GrStyle& style);
    bool CanDrawDashLine(const SkPoint pts[2], const GrStyle& style,
                         const SkMatrix& viewMatrix);
}

#endif