gfx/skia/trunk/src/image/SkSurface_Picture.cpp@129ffea94266
gfx/skia/trunk/src/image/SkSurface_Picture.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /*
2 * Copyright 2012 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 */
8 #include "SkSurface_Base.h"
9 #include "SkCanvas.h"
10 #include "SkImagePriv.h"
11 #include "SkPicture.h"
13 /**
14 * What does it mean to ask for more than one canvas from a picture?
15 * How do we return an Image and then "continue" recording?
16 */
17 class SkSurface_Picture : public SkSurface_Base {
18 public:
19 SkSurface_Picture(int width, int height);
20 virtual ~SkSurface_Picture();
22 virtual SkCanvas* onNewCanvas() SK_OVERRIDE;
23 virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE;
24 virtual SkImage* onNewImageSnapshot() SK_OVERRIDE;
25 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y,
26 const SkPaint*) SK_OVERRIDE;
27 virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE;
29 private:
30 SkPicture* fPicture;
32 typedef SkSurface_Base INHERITED;
33 };
35 ///////////////////////////////////////////////////////////////////////////////
37 SkSurface_Picture::SkSurface_Picture(int width, int height) : INHERITED(width, height) {
38 fPicture = NULL;
39 }
41 SkSurface_Picture::~SkSurface_Picture() {
42 SkSafeUnref(fPicture);
43 }
45 SkCanvas* SkSurface_Picture::onNewCanvas() {
46 if (!fPicture) {
47 fPicture = SkNEW(SkPicture);
48 }
49 SkCanvas* canvas = fPicture->beginRecording(this->width(), this->height());
50 canvas->ref(); // our caller will call unref()
51 return canvas;
52 }
54 SkSurface* SkSurface_Picture::onNewSurface(const SkImageInfo& info) {
55 return SkSurface::NewPicture(info.fWidth, info.fHeight);
56 }
58 SkImage* SkSurface_Picture::onNewImageSnapshot() {
59 if (fPicture) {
60 return SkNewImageFromPicture(fPicture);
61 } else {
62 SkImageInfo info;
63 info.fWidth = info.fHeight = 0;
64 info.fColorType = kPMColor_SkColorType;
65 info.fAlphaType = kOpaque_SkAlphaType;
66 return SkImage::NewRasterCopy(info, NULL, 0);
67 }
68 }
70 void SkSurface_Picture::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y,
71 const SkPaint* paint) {
72 if (!fPicture) {
73 return;
74 }
75 SkImagePrivDrawPicture(canvas, fPicture, x, y, paint);
76 }
78 void SkSurface_Picture::onCopyOnWrite(ContentChangeMode /*mode*/) {
79 // We always spawn a copy of the recording picture when we
80 // are asked for a snapshot, so we never need to do anything here.
81 }
83 ///////////////////////////////////////////////////////////////////////////////
86 SkSurface* SkSurface::NewPicture(int width, int height) {
87 if ((width | height) < 0) {
88 return NULL;
89 }
91 return SkNEW_ARGS(SkSurface_Picture, (width, height));
92 }
