/src/mozilla-central/gfx/thebes/PrintTargetThebes.cpp
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1 | | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
2 | | * This Source Code Form is subject to the terms of the Mozilla Public |
3 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
4 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
5 | | |
6 | | #include "PrintTargetThebes.h" |
7 | | |
8 | | #include "gfxASurface.h" |
9 | | #include "gfxPlatform.h" |
10 | | #include "mozilla/gfx/Logging.h" |
11 | | |
12 | | namespace mozilla { |
13 | | namespace gfx { |
14 | | |
15 | | /* static */ already_AddRefed<PrintTargetThebes> |
16 | | PrintTargetThebes::CreateOrNull(gfxASurface* aSurface) |
17 | 0 | { |
18 | 0 | MOZ_ASSERT(aSurface); |
19 | 0 |
|
20 | 0 | if (!aSurface || aSurface->CairoStatus()) { |
21 | 0 | return nullptr; |
22 | 0 | } |
23 | 0 | |
24 | 0 | RefPtr<PrintTargetThebes> target = new PrintTargetThebes(aSurface); |
25 | 0 |
|
26 | 0 | return target.forget(); |
27 | 0 | } |
28 | | |
29 | | PrintTargetThebes::PrintTargetThebes(gfxASurface* aSurface) |
30 | | : PrintTarget(nullptr, aSurface->GetSize()) |
31 | | , mGfxSurface(aSurface) |
32 | 0 | { |
33 | 0 | } |
34 | | |
35 | | already_AddRefed<DrawTarget> |
36 | | PrintTargetThebes::MakeDrawTarget(const IntSize& aSize, |
37 | | DrawEventRecorder* aRecorder) |
38 | 0 | { |
39 | 0 | // This should not be called outside of BeginPage()/EndPage() calls since |
40 | 0 | // some backends can only provide a valid DrawTarget at that time. |
41 | 0 | MOZ_ASSERT(mHasActivePage, "We can't guarantee a valid DrawTarget"); |
42 | 0 |
|
43 | 0 | RefPtr<gfx::DrawTarget> dt = |
44 | 0 | gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, aSize); |
45 | 0 | if (!dt || !dt->IsValid()) { |
46 | 0 | return nullptr; |
47 | 0 | } |
48 | 0 | |
49 | 0 | if (aRecorder) { |
50 | 0 | dt = CreateWrapAndRecordDrawTarget(aRecorder, dt); |
51 | 0 | if (!dt || !dt->IsValid()) { |
52 | 0 | return nullptr; |
53 | 0 | } |
54 | 0 | } |
55 | 0 | |
56 | 0 | return dt.forget(); |
57 | 0 | } |
58 | | |
59 | | already_AddRefed<DrawTarget> |
60 | | PrintTargetThebes::GetReferenceDrawTarget() |
61 | 0 | { |
62 | 0 | if (!mRefDT) { |
63 | 0 | RefPtr<gfx::DrawTarget> dt = |
64 | 0 | gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mGfxSurface, mSize); |
65 | 0 | if (!dt || !dt->IsValid()) { |
66 | 0 | return nullptr; |
67 | 0 | } |
68 | 0 | mRefDT = dt->CreateSimilarDrawTarget(IntSize(1,1), dt->GetFormat()); |
69 | 0 | } |
70 | 0 |
|
71 | 0 | return do_AddRef(mRefDT); |
72 | 0 | } |
73 | | |
74 | | nsresult |
75 | | PrintTargetThebes::BeginPrinting(const nsAString& aTitle, |
76 | | const nsAString& aPrintToFileName, |
77 | | int32_t aStartPage, |
78 | | int32_t aEndPage) |
79 | 0 | { |
80 | 0 | return mGfxSurface->BeginPrinting(aTitle, aPrintToFileName); |
81 | 0 | } |
82 | | |
83 | | nsresult |
84 | | PrintTargetThebes::EndPrinting() |
85 | 0 | { |
86 | 0 | return mGfxSurface->EndPrinting(); |
87 | 0 | } |
88 | | |
89 | | nsresult |
90 | | PrintTargetThebes::AbortPrinting() |
91 | 0 | { |
92 | | #ifdef DEBUG |
93 | | mHasActivePage = false; |
94 | | #endif |
95 | | return mGfxSurface->AbortPrinting(); |
96 | 0 | } |
97 | | |
98 | | nsresult |
99 | | PrintTargetThebes::BeginPage() |
100 | 0 | { |
101 | | #ifdef DEBUG |
102 | | mHasActivePage = true; |
103 | | #endif |
104 | | return mGfxSurface->BeginPage(); |
105 | 0 | } |
106 | | |
107 | | nsresult |
108 | | PrintTargetThebes::EndPage() |
109 | 0 | { |
110 | | #ifdef DEBUG |
111 | | mHasActivePage = false; |
112 | | #endif |
113 | | return mGfxSurface->EndPage(); |
114 | 0 | } |
115 | | |
116 | | void |
117 | | PrintTargetThebes::Finish() |
118 | 0 | { |
119 | 0 | return mGfxSurface->Finish(); |
120 | 0 | } |
121 | | |
122 | | } // namespace gfx |
123 | | } // namespace mozilla |