gfx/thebes/gfxQPainterSurface.cpp@97036ab72558 (annotated)
gfx/thebes/gfxQPainterSurface.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include <assert.h> |
| michael@0 | 7 | |
| michael@0 | 8 | #include "cairo-features.h" |
| michael@0 | 9 | #ifdef CAIRO_HAS_QT_SURFACE |
| michael@0 | 10 | #include "cairo-qt.h" |
| michael@0 | 11 | #include "gfxQPainterSurface.h" |
| michael@0 | 12 | |
| michael@0 | 13 | gfxQPainterSurface::gfxQPainterSurface(QPainter *painter) |
| michael@0 | 14 | { |
| michael@0 | 15 | cairo_surface_t *csurf = cairo_qt_surface_create (painter); |
| michael@0 | 16 | |
| michael@0 | 17 | mPainter = painter; |
| michael@0 | 18 | |
| michael@0 | 19 | Init (csurf); |
| michael@0 | 20 | } |
| michael@0 | 21 | |
| michael@0 | 22 | gfxQPainterSurface::gfxQPainterSurface(const gfxIntSize& size, gfxImageFormat format) |
| michael@0 | 23 | { |
| michael@0 | 24 | cairo_surface_t *csurf = cairo_qt_surface_create_with_qimage ((cairo_format_t) format, |
| michael@0 | 25 | size.width, |
| michael@0 | 26 | size.height); |
| michael@0 | 27 | mPainter = cairo_qt_surface_get_qpainter (csurf); |
| michael@0 | 28 | |
| michael@0 | 29 | Init (csurf); |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | gfxQPainterSurface::gfxQPainterSurface(const gfxIntSize& size, gfxContentType content) |
| michael@0 | 33 | { |
| michael@0 | 34 | cairo_surface_t *csurf = cairo_qt_surface_create_with_qpixmap ((cairo_content_t) content, |
| michael@0 | 35 | size.width, |
| michael@0 | 36 | size.height); |
| michael@0 | 37 | mPainter = cairo_qt_surface_get_qpainter (csurf); |
| michael@0 | 38 | |
| michael@0 | 39 | Init (csurf); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | gfxQPainterSurface::gfxQPainterSurface(cairo_surface_t *csurf) |
| michael@0 | 43 | { |
| michael@0 | 44 | mPainter = cairo_qt_surface_get_qpainter (csurf); |
| michael@0 | 45 | |
| michael@0 | 46 | Init(csurf, true); |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | gfxQPainterSurface::~gfxQPainterSurface() |
| michael@0 | 50 | { |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | QImage * |
| michael@0 | 54 | gfxQPainterSurface::GetQImage() |
| michael@0 | 55 | { |
| michael@0 | 56 | if (!mSurfaceValid) |
| michael@0 | 57 | return nullptr; |
| michael@0 | 58 | |
| michael@0 | 59 | return cairo_qt_surface_get_qimage(CairoSurface()); |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | already_AddRefed<gfxImageSurface> |
| michael@0 | 63 | gfxQPainterSurface::GetAsImageSurface() |
| michael@0 | 64 | { |
| michael@0 | 65 | if (!mSurfaceValid) |
| michael@0 | 66 | return nullptr; |
| michael@0 | 67 | |
| michael@0 | 68 | cairo_surface_t *isurf = cairo_qt_surface_get_image(CairoSurface()); |
| michael@0 | 69 | if (!isurf) |
| michael@0 | 70 | return nullptr; |
| michael@0 | 71 | |
| michael@0 | 72 | assert(cairo_surface_get_type(isurf) == CAIRO_SURFACE_TYPE_IMAGE); |
| michael@0 | 73 | |
| michael@0 | 74 | nsRefPtr<gfxImageSurface> asurf = new gfxImageSurface(isurf); |
| michael@0 | 75 | asurf->SetOpaqueRect(GetOpaqueRect()); |
| michael@0 | 76 | return asurf.forget(); |
| michael@0 | 77 | } |
| michael@0 | 78 | #endif |
