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
47
|
/*
* Copyright 2012 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkDeviceImageFilterProxy_DEFINED
#define SkDeviceImageFilterProxy_DEFINED
#include "SkDevice.h"
#include "SkImageFilter.h"
#include "SkSurfaceProps.h"
class SkDeviceImageFilterProxy : public SkImageFilter::Proxy {
public:
SkDeviceImageFilterProxy(SkBaseDevice* device, const SkSurfaceProps& props)
: fDevice(device)
, fProps(props.flags(), kUnknown_SkPixelGeometry)
{}
SkBaseDevice* createDevice(int w, int h) override {
SkBaseDevice::CreateInfo cinfo(SkImageInfo::MakeN32Premul(w, h),
SkBaseDevice::kNever_TileUsage,
kUnknown_SkPixelGeometry,
true /*forImageFilter*/);
return fDevice->onCreateDevice(cinfo, NULL);
}
bool canHandleImageFilter(const SkImageFilter* filter) override {
return fDevice->canHandleImageFilter(filter);
}
virtual bool filterImage(const SkImageFilter* filter, const SkBitmap& src,
const SkImageFilter::Context& ctx,
SkBitmap* result, SkIPoint* offset) override {
return fDevice->filterImage(filter, src, ctx, result, offset);
}
const SkSurfaceProps* surfaceProps() const override {
return &fProps;
}
private:
SkBaseDevice* fDevice;
const SkSurfaceProps fProps;
};
#endif
|