gfx/thebes/gfxPDFSurface.cpp@6474c204b198 (annotated)
gfx/thebes/gfxPDFSurface.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| 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 "gfxPDFSurface.h" |
| michael@0 | 7 | |
| michael@0 | 8 | #include "cairo.h" |
| michael@0 | 9 | #include "cairo-pdf.h" |
| michael@0 | 10 | |
| michael@0 | 11 | static cairo_status_t |
| michael@0 | 12 | write_func(void *closure, const unsigned char *data, unsigned int length) |
| michael@0 | 13 | { |
| michael@0 | 14 | nsCOMPtr<nsIOutputStream> out = reinterpret_cast<nsIOutputStream*>(closure); |
| michael@0 | 15 | do { |
| michael@0 | 16 | uint32_t wrote = 0; |
| michael@0 | 17 | if (NS_FAILED(out->Write((const char*)data, length, &wrote))) |
| michael@0 | 18 | break; |
| michael@0 | 19 | data += wrote; length -= wrote; |
| michael@0 | 20 | } while (length > 0); |
| michael@0 | 21 | NS_ASSERTION(length == 0, "not everything was written to the file"); |
| michael@0 | 22 | return CAIRO_STATUS_SUCCESS; |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | gfxPDFSurface::gfxPDFSurface(nsIOutputStream *aStream, const gfxSize& aSizeInPoints) |
| michael@0 | 26 | : mStream(aStream), mXDPI(-1), mYDPI(-1), mSize(aSizeInPoints) |
| michael@0 | 27 | { |
| michael@0 | 28 | Init(cairo_pdf_surface_create_for_stream(write_func, (void*)mStream, mSize.width, mSize.height)); |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | gfxPDFSurface::~gfxPDFSurface() |
| michael@0 | 32 | { |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | nsresult |
| michael@0 | 36 | gfxPDFSurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName) |
| michael@0 | 37 | { |
| michael@0 | 38 | return NS_OK; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | nsresult |
| michael@0 | 42 | gfxPDFSurface::EndPrinting() |
| michael@0 | 43 | { |
| michael@0 | 44 | return NS_OK; |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | nsresult |
| michael@0 | 48 | gfxPDFSurface::AbortPrinting() |
| michael@0 | 49 | { |
| michael@0 | 50 | return NS_OK; |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | nsresult |
| michael@0 | 54 | gfxPDFSurface::BeginPage() |
| michael@0 | 55 | { |
| michael@0 | 56 | return NS_OK; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | nsresult |
| michael@0 | 60 | gfxPDFSurface::EndPage() |
| michael@0 | 61 | { |
| michael@0 | 62 | cairo_surface_show_page(CairoSurface()); |
| michael@0 | 63 | return NS_OK; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | void |
| michael@0 | 67 | gfxPDFSurface::Finish() |
| michael@0 | 68 | { |
| michael@0 | 69 | gfxASurface::Finish(); |
| michael@0 | 70 | mStream->Close(); |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | void |
| michael@0 | 74 | gfxPDFSurface::SetDPI(double xDPI, double yDPI) |
| michael@0 | 75 | { |
| michael@0 | 76 | mXDPI = xDPI; |
| michael@0 | 77 | mYDPI = yDPI; |
| michael@0 | 78 | cairo_surface_set_fallback_resolution(CairoSurface(), xDPI, yDPI); |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | void |
| michael@0 | 82 | gfxPDFSurface::GetDPI(double *xDPI, double *yDPI) |
| michael@0 | 83 | { |
| michael@0 | 84 | *xDPI = mXDPI; |
| michael@0 | 85 | *yDPI = mYDPI; |
| michael@0 | 86 | } |
