/src/libreoffice/drawinglayer/source/primitive2d/BitmapAlphaPrimitive2D.cxx
Line | Count | Source |
1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | | /* |
3 | | * This file is part of the LibreOffice project. |
4 | | * |
5 | | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | | * |
9 | | * This file incorporates work covered by the following license notice: |
10 | | * |
11 | | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | | * contributor license agreements. See the NOTICE file distributed |
13 | | * with this work for additional information regarding copyright |
14 | | * ownership. The ASF licenses this file to you under the Apache |
15 | | * License, Version 2.0 (the "License"); you may not use this file |
16 | | * except in compliance with the License. You may obtain a copy of |
17 | | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | | */ |
19 | | |
20 | | #include <drawinglayer/primitive2d/BitmapAlphaPrimitive2D.hxx> |
21 | | #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> |
22 | | #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx> |
23 | | #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> |
24 | | #include <utility> |
25 | | |
26 | | using namespace com::sun::star; |
27 | | |
28 | | namespace drawinglayer::primitive2d |
29 | | { |
30 | | Primitive2DReference BitmapAlphaPrimitive2D::create2DDecomposition( |
31 | | const geometry::ViewInformation2D& /*rViewInformation*/) const |
32 | 0 | { |
33 | 0 | if (basegfx::fTools::equal(getTransparency(), 1.0)) |
34 | 0 | { |
35 | | // completely transparent, done |
36 | 0 | return nullptr; |
37 | 0 | } |
38 | | |
39 | 0 | if (getBitmap().IsEmpty()) |
40 | 0 | { |
41 | | // no geometry, done |
42 | 0 | return nullptr; |
43 | 0 | } |
44 | | |
45 | 0 | if (basegfx::fTools::equalZero(getTransparency())) |
46 | 0 | { |
47 | | // no transparency, use simple BitmapPrimitive2D |
48 | 0 | return Primitive2DReference{ new BitmapPrimitive2D(getBitmap(), getTransform()) }; |
49 | 0 | } |
50 | | |
51 | | // default: embed to UnifiedTransparencePrimitive2D |
52 | 0 | Primitive2DContainer aContent{ new BitmapPrimitive2D(getBitmap(), getTransform()) }; |
53 | 0 | return Primitive2DReference{ new UnifiedTransparencePrimitive2D(std::move(aContent), |
54 | 0 | getTransparency()) }; |
55 | 0 | } |
56 | | |
57 | | BitmapAlphaPrimitive2D::BitmapAlphaPrimitive2D(Bitmap xXBitmap, basegfx::B2DHomMatrix aTransform, |
58 | | double fTransparency) |
59 | 0 | : maBitmap(std::move(xXBitmap)) |
60 | 0 | , maTransform(std::move(aTransform)) |
61 | 0 | , mfTransparency(std::max(0.0, std::min(1.0, fTransparency))) |
62 | 0 | { |
63 | 0 | } |
64 | | |
65 | | bool BitmapAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const |
66 | 0 | { |
67 | 0 | if (BasePrimitive2D::operator==(rPrimitive)) |
68 | 0 | { |
69 | 0 | const BitmapAlphaPrimitive2D& rCompare |
70 | 0 | = static_cast<const BitmapAlphaPrimitive2D&>(rPrimitive); |
71 | |
|
72 | 0 | return (getBitmap() == rCompare.getBitmap() && getTransform() == rCompare.getTransform() |
73 | 0 | && basegfx::fTools::equal(getTransparency(), rCompare.getTransparency())); |
74 | 0 | } |
75 | | |
76 | 0 | return false; |
77 | 0 | } |
78 | | |
79 | | basegfx::B2DRange |
80 | | BitmapAlphaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const |
81 | 0 | { |
82 | 0 | basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); |
83 | 0 | aRetval.transform(maTransform); |
84 | 0 | return aRetval; |
85 | 0 | } |
86 | | |
87 | | sal_Int64 BitmapAlphaPrimitive2D::estimateUsage() |
88 | 0 | { |
89 | 0 | if (getBitmap().IsEmpty()) |
90 | 0 | { |
91 | 0 | return 0; |
92 | 0 | } |
93 | 0 | return getBitmap().GetSizeBytes(); |
94 | 0 | } |
95 | | |
96 | | // provide unique ID |
97 | | sal_uInt32 BitmapAlphaPrimitive2D::getPrimitive2DID() const |
98 | 0 | { |
99 | 0 | return PRIMITIVE2D_ID_BITMAPALPHAPRIMITIVE2D; |
100 | 0 | } |
101 | | |
102 | | } // end of namespace |
103 | | |
104 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |