blob: 943bb533562d03cbbfb2cee9151e69ef1a73985a (
plain)
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
37
38
39
40
41
42
43
44
45
46
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef _SkTestImageFilters_h
#define _SkTestImageFilters_h
#include "SkImageFilter.h"
#include "SkPoint.h"
// Fun mode that scales down (only) and then scales back up to look pixelated
class SK_API SkDownSampleImageFilter : public SkImageFilter {
public:
static SkImageFilter* Create(SkScalar scale, SkImageFilter* input = NULL) {
if (!SkScalarIsFinite(scale)) {
return NULL;
}
// we don't support scale in this range
if (scale > SK_Scalar1 || scale <= 0) {
return NULL;
}
return new SkDownSampleImageFilter(scale, input);
}
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDownSampleImageFilter)
protected:
void flatten(SkWriteBuffer&) const override;
sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
SkIPoint* offset) const override;
private:
SkDownSampleImageFilter(SkScalar scale, SkImageFilter* input)
: INHERITED(1, &input), fScale(scale) {}
SkScalar fScale;
typedef SkImageFilter INHERITED;
};
#endif
|
