xref: /aosp_15_r20/external/skia/modules/svg/include/SkSVGFilter.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2020 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 SkSVGFilter_DEFINED
9 #define SkSVGFilter_DEFINED
10 
11 #include "include/core/SkRefCnt.h"
12 #include "include/private/base/SkAPI.h"
13 #include "modules/svg/include/SkSVGHiddenContainer.h"
14 #include "modules/svg/include/SkSVGNode.h"
15 #include "modules/svg/include/SkSVGTypes.h"
16 
17 class SkImageFilter;
18 class SkSVGRenderContext;
19 
20 class SK_API SkSVGFilter final : public SkSVGHiddenContainer {
21 public:
Make()22     static sk_sp<SkSVGFilter> Make() { return sk_sp<SkSVGFilter>(new SkSVGFilter()); }
23 
24     /** Propagates any inherited presentation attributes in the given context. */
25     void applyProperties(SkSVGRenderContext*) const;
26 
27     sk_sp<SkImageFilter> buildFilterDAG(const SkSVGRenderContext&) const;
28 
29     SVG_ATTR(X, SkSVGLength, SkSVGLength(-10, SkSVGLength::Unit::kPercentage))
30     SVG_ATTR(Y, SkSVGLength, SkSVGLength(-10, SkSVGLength::Unit::kPercentage))
31     SVG_ATTR(Width, SkSVGLength, SkSVGLength(120, SkSVGLength::Unit::kPercentage))
32     SVG_ATTR(Height, SkSVGLength, SkSVGLength(120, SkSVGLength::Unit::kPercentage))
SVG_ATTR(FilterUnits,SkSVGObjectBoundingBoxUnits,SkSVGObjectBoundingBoxUnits (SkSVGObjectBoundingBoxUnits::Type::kObjectBoundingBox))33     SVG_ATTR(FilterUnits,
34              SkSVGObjectBoundingBoxUnits,
35              SkSVGObjectBoundingBoxUnits(SkSVGObjectBoundingBoxUnits::Type::kObjectBoundingBox))
36     SVG_ATTR(PrimitiveUnits,
37              SkSVGObjectBoundingBoxUnits,
38              SkSVGObjectBoundingBoxUnits(SkSVGObjectBoundingBoxUnits::Type::kUserSpaceOnUse))
39 
40 private:
41     SkSVGFilter() : INHERITED(SkSVGTag::kFilter) {}
42 
43     bool parseAndSetAttribute(const char*, const char*) override;
44 
45     using INHERITED = SkSVGHiddenContainer;
46 };
47 
48 #endif  // SkSVGFilter_DEFINED
49