1 /*
2 * Copyright 2017 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 #include "include/android/SkAndroidFrameworkUtils.h"
9 #include "include/core/SkCanvas.h"
10 #include "include/utils/SkPaintFilterCanvas.h"
11 #include "src/core/SkDevice.h"
12 #include "src/image/SkSurface_Base.h"
13
14 #if SK_SUPPORT_GPU
15 #include "src/gpu/GrClip.h"
16 #include "src/gpu/GrRenderTargetContext.h"
17 #include "src/gpu/GrStyle.h"
18 #include "src/gpu/GrUserStencilSettings.h"
19 #include "src/gpu/effects/GrDisableColorXP.h"
20 #endif //SK_SUPPORT_GPU
21
22 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
23
24 #include <log/log.h>
25
26 #if SK_SUPPORT_GPU
clipWithStencil(SkCanvas * canvas)27 bool SkAndroidFrameworkUtils::clipWithStencil(SkCanvas* canvas) {
28 SkRegion clipRegion;
29 canvas->temporary_internal_getRgnClip(&clipRegion);
30 if (clipRegion.isEmpty()) {
31 return false;
32 }
33 SkBaseDevice* device = canvas->getDevice();
34 if (!device) {
35 return false;
36 }
37 GrRenderTargetContext* rtc = device->accessRenderTargetContext();
38 if (!rtc) {
39 return false;
40 }
41 GrPaint grPaint;
42 grPaint.setXPFactory(GrDisableColorXPFactory::Get());
43 GrNoClip noClip;
44 static constexpr GrUserStencilSettings kDrawToStencil(
45 GrUserStencilSettings::StaticInit<
46 0x1,
47 GrUserStencilTest::kAlways,
48 0x1,
49 GrUserStencilOp::kReplace,
50 GrUserStencilOp::kReplace,
51 0x1>()
52 );
53 rtc->drawRegion(noClip, std::move(grPaint), GrAA::kNo, SkMatrix::I(), clipRegion,
54 GrStyle::SimpleFill(), &kDrawToStencil);
55 return true;
56 }
57 #endif //SK_SUPPORT_GPU
58
SafetyNetLog(const char * bugNumber)59 void SkAndroidFrameworkUtils::SafetyNetLog(const char* bugNumber) {
60 android_errorWriteLog(0x534e4554, bugNumber);
61 }
62
getSurfaceFromCanvas(SkCanvas * canvas)63 sk_sp<SkSurface> SkAndroidFrameworkUtils::getSurfaceFromCanvas(SkCanvas* canvas) {
64 sk_sp<SkSurface> surface(SkSafeRef(canvas->getSurfaceBase()));
65 return surface;
66 }
67
SaveBehind(SkCanvas * canvas,const SkRect * subset)68 int SkAndroidFrameworkUtils::SaveBehind(SkCanvas* canvas, const SkRect* subset) {
69 return canvas->only_axis_aligned_saveBehind(subset);
70 }
71
getBaseWrappedCanvas(SkCanvas * canvas)72 SkCanvas* SkAndroidFrameworkUtils::getBaseWrappedCanvas(SkCanvas* canvas) {
73 auto pfc = canvas->internal_private_asPaintFilterCanvas();
74 auto result = canvas;
75 while (pfc) {
76 result = pfc->proxy();
77 pfc = result->internal_private_asPaintFilterCanvas();
78 }
79 return result;
80 }
81 #endif // SK_BUILD_FOR_ANDROID_FRAMEWORK
82
83