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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 <vcl/outdev.hxx>
21 : #include <vcl/virdev.hxx>
22 : #include <vcl/window.hxx>
23 :
24 : #include <salgdi.hxx>
25 : #include <impbmp.hxx>
26 : #include <outdata.hxx>
27 :
28 : extern const sal_uLong nVCLRLut[ 6 ];
29 : extern const sal_uLong nVCLGLut[ 6 ];
30 : extern const sal_uLong nVCLBLut[ 6 ];
31 : extern const sal_uLong nVCLDitherLut[ 256 ];
32 : extern const sal_uLong nVCLLut[ 256 ];
33 :
34 0 : void OutputDevice::DrawMask( const Point& rDestPt,
35 : const Bitmap& rBitmap, const Color& rMaskColor )
36 : {
37 0 : assert_if_double_buffered_window();
38 :
39 0 : const Size aSizePix( rBitmap.GetSizePixel() );
40 0 : DrawMask( rDestPt, PixelToLogic( aSizePix ), Point(), aSizePix, rBitmap, rMaskColor, MetaActionType::MASK );
41 0 : }
42 :
43 9 : void OutputDevice::DrawMask( const Point& rDestPt, const Size& rDestSize,
44 : const Bitmap& rBitmap, const Color& rMaskColor )
45 : {
46 9 : assert_if_double_buffered_window();
47 :
48 9 : DrawMask( rDestPt, rDestSize, Point(), rBitmap.GetSizePixel(), rBitmap, rMaskColor, MetaActionType::MASKSCALE );
49 9 : }
50 :
51 9 : void OutputDevice::DrawMask( const Point& rDestPt, const Size& rDestSize,
52 : const Point& rSrcPtPixel, const Size& rSrcSizePixel,
53 : const Bitmap& rBitmap, const Color& rMaskColor,
54 : const MetaActionType nAction )
55 : {
56 9 : assert_if_double_buffered_window();
57 :
58 9 : if( ImplIsRecordLayout() )
59 0 : return;
60 :
61 9 : if( ROP_INVERT == meRasterOp )
62 : {
63 0 : DrawRect( Rectangle( rDestPt, rDestSize ) );
64 0 : return;
65 : }
66 :
67 9 : if ( mpMetaFile )
68 : {
69 0 : switch( nAction )
70 : {
71 : case( MetaActionType::MASK ):
72 : mpMetaFile->AddAction( new MetaMaskAction( rDestPt,
73 0 : rBitmap, rMaskColor ) );
74 0 : break;
75 :
76 : case( MetaActionType::MASKSCALE ):
77 : mpMetaFile->AddAction( new MetaMaskScaleAction( rDestPt,
78 0 : rDestSize, rBitmap, rMaskColor ) );
79 0 : break;
80 :
81 : case( MetaActionType::MASKSCALEPART ):
82 : mpMetaFile->AddAction( new MetaMaskScalePartAction( rDestPt, rDestSize,
83 0 : rSrcPtPixel, rSrcSizePixel, rBitmap, rMaskColor ) );
84 0 : break;
85 :
86 0 : default: break;
87 : }
88 : }
89 :
90 9 : if ( !IsDeviceOutputNecessary() )
91 0 : return;
92 :
93 9 : if ( !mpGraphics )
94 0 : if ( !AcquireGraphics() )
95 0 : return;
96 :
97 9 : if ( mbInitClipRegion )
98 9 : InitClipRegion();
99 :
100 9 : if ( mbOutputClipped )
101 0 : return;
102 :
103 9 : DrawDeviceMask( rBitmap, rMaskColor, rDestPt, rDestSize, rSrcPtPixel, rSrcSizePixel );
104 :
105 : }
106 :
107 9 : void OutputDevice::DrawDeviceMask( const Bitmap& rMask, const Color& rMaskColor,
108 : const Point& rDestPt, const Size& rDestSize,
109 : const Point& rSrcPtPixel, const Size& rSrcSizePixel )
110 : {
111 9 : assert_if_double_buffered_window();
112 :
113 9 : const ImpBitmap* pImpBmp = rMask.ImplGetImpBitmap();
114 9 : if ( pImpBmp )
115 : {
116 : SalTwoRect aPosAry(rSrcPtPixel.X(), rSrcPtPixel.Y(), rSrcSizePixel.Width(), rSrcSizePixel.Height(),
117 : ImplLogicXToDevicePixel(rDestPt.X()), ImplLogicYToDevicePixel(rDestPt.Y()),
118 : ImplLogicWidthToDevicePixel(rDestSize.Width()),
119 9 : ImplLogicHeightToDevicePixel(rDestSize.Height()));
120 :
121 : // we don't want to mirror via cooridates
122 9 : const BmpMirrorFlags nMirrFlags = AdjustTwoRect( aPosAry, pImpBmp->ImplGetSize() );
123 :
124 : // check if output is necessary
125 9 : if( aPosAry.mnSrcWidth && aPosAry.mnSrcHeight && aPosAry.mnDestWidth && aPosAry.mnDestHeight )
126 : {
127 :
128 9 : if( nMirrFlags != BmpMirrorFlags::NONE )
129 : {
130 0 : Bitmap aTmp( rMask );
131 0 : aTmp.Mirror( nMirrFlags );
132 0 : mpGraphics->DrawMask( aPosAry, *aTmp.ImplGetImpBitmap()->ImplGetSalBitmap(),
133 0 : ImplColorToSal( rMaskColor ) , this);
134 : }
135 : else
136 9 : mpGraphics->DrawMask( aPosAry, *pImpBmp->ImplGetSalBitmap(),
137 18 : ImplColorToSal( rMaskColor ), this );
138 :
139 : }
140 : }
141 :
142 : // TODO: Use mask here
143 9 : if( mpAlphaVDev )
144 : {
145 0 : const Bitmap& rAlphaMask( rMask.CreateMask( rMaskColor ) );
146 :
147 : // #i25167# Restrict mask painting to _opaque_ areas
148 : // of the mask, otherwise we spoil areas where no
149 : // bitmap content was ever visible. Interestingly
150 : // enough, this can be achieved by taking the mask as
151 : // the transparency mask of itself
152 0 : mpAlphaVDev->DrawBitmapEx( rDestPt,
153 : rDestSize,
154 : rSrcPtPixel,
155 : rSrcSizePixel,
156 0 : BitmapEx( rAlphaMask, rMask ) );
157 : }
158 810 : }
159 :
160 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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