1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*************************************************************************
3  *
4  *  The Contents of this file are made available subject to the terms of
5  *  either of the following licenses
6  *
7  *         - GNU Lesser General Public License Version 2.1
8  *         - Sun Industry Standards Source License Version 1.1
9  *
10  *  Sun Microsystems Inc., October, 2000
11  *
12  *  GNU Lesser General Public License Version 2.1
13  *  =============================================
14  *  Copyright 2000 by Sun Microsystems, Inc.
15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
16  *
17  *  This library is free software; you can redistribute it and/or
18  *  modify it under the terms of the GNU Lesser General Public
19  *  License version 2.1, as published by the Free Software Foundation.
20  *
21  *  This library is distributed in the hope that it will be useful,
22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
24  *  Lesser General Public License for more details.
25  *
26  *  You should have received a copy of the GNU Lesser General Public
27  *  License along with this library; if not, write to the Free Software
28  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29  *  MA  02111-1307  USA
30  *
31  *
32  *  Sun Industry Standards Source License Version 1.1
33  *  =================================================
34  *  The contents of this file are subject to the Sun Industry Standards
35  *  Source License Version 1.1 (the "License"); You may not use this file
36  *  except in compliance with the License. You may obtain a copy of the
37  *  License at http://www.openoffice.org/license.html.
38  *
39  *  Software provided under this License is provided on an "AS IS" basis,
40  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
41  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
42  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
43  *  See the License for the specific provisions governing your rights and
44  *  obligations concerning the Software.
45  *
46  *  The Initial Developer of the Original Code is: IBM Corporation
47  *
48  *  Copyright: 2008 by IBM Corporation
49  *
50  *  All Rights Reserved.
51  *
52  *  Contributor(s): _______________________________________
53  *
54  *
55  ************************************************************************/
56 /**
57  * @file
58  * For LWP filter architecture prototype
59  *  Implementation of class LwpBackgroundStuff.
60  */
61 
62 #include "lwpbackgroundstuff.hxx"
63 #include "lwppttntbl.hxx"
64 #include <xfilter/xfbgimage.hxx>
65 
66 #include <tools/stream.hxx>
67 #include <vcl/dibtools.hxx>
68 #include <vcl/BitmapTools.hxx>
69 #include <svx/xbitmap.hxx>
70 
Read(LwpObjectStream * pStrm)71 void LwpBackgroundStuff::Read(LwpObjectStream* pStrm)
72 {
73     m_nID = pStrm->QuickReaduInt16();
74     m_aFillColor.Read(pStrm);
75     m_aPatternColor.Read(pStrm);
76     pStrm->SkipExtra();
77 }
78 
GetPattern(sal_uInt16 btPttnIndex,sal_uInt8 (& pPttnArray)[8])79 void LwpBackgroundStuff::GetPattern(sal_uInt16 btPttnIndex, sal_uInt8 (&pPttnArray)[8])
80 {
81     if (btPttnIndex > 71)
82     {
83         assert(false);
84         return;
85     }
86     assert((2 < btPttnIndex) && (btPttnIndex < 72));
87     const sal_uInt8* pTempArray = s_pLwpPatternTab[btPttnIndex];
88     for (sal_uInt8 i = 0; i < 8; i++)
89     {
90         pPttnArray[i] = pTempArray[7 - i];
91     }
92 }
93 
GetFillColor()94 LwpColor* LwpBackgroundStuff::GetFillColor()
95 {
96     if (m_nID == BACK_PATTERN)
97     {
98         return &m_aPatternColor;
99     }
100 
101     return &m_aFillColor;
102 }
103 
GetFillPattern()104 std::unique_ptr<XFBGImage> LwpBackgroundStuff::GetFillPattern()
105 {
106     // not pattern fill?
107     if (!IsPatternFill())
108     {
109         return std::unique_ptr<XFBGImage>();
110     }
111 
112     // get pattern array from pattern table
113     sal_uInt8 aPttnArray[8];
114     GetPattern(m_nID, aPttnArray);
115 
116     // create bitmap object from the pattern array
117     BitmapEx aBmp = vcl::bitmap::CreateFromData(aPttnArray, 8, 8, 1, vcl::PixelFormat::N1_BPP);
118 
119     // create XOBitmap object from bitmap object
120     XOBitmap aXOBitmap(aBmp);
121     aXOBitmap.Bitmap2Array();
122 
123     // set back/fore-ground colors
124     if (m_aFillColor.IsValidColor() && m_aPatternColor.IsValidColor())
125     {
126         Color aBackColor(static_cast<sal_uInt8>(m_aFillColor.GetRed()),
127                          static_cast<sal_uInt8>(m_aFillColor.GetGreen()),
128                          static_cast<sal_uInt8>(m_aFillColor.GetBlue()));
129         Color aForeColor(static_cast<sal_uInt8>(m_aPatternColor.GetRed()),
130                          static_cast<sal_uInt8>(m_aPatternColor.GetGreen()),
131                          static_cast<sal_uInt8>(m_aPatternColor.GetBlue()));
132 
133         if (aXOBitmap.GetBackgroundColor() == COL_BLACK)
134         {
135             aXOBitmap.SetPixelColor(aBackColor);
136             aXOBitmap.SetBackgroundColor(aForeColor);
137         }
138         else
139         {
140             aXOBitmap.SetPixelColor(aForeColor);
141             aXOBitmap.SetBackgroundColor(aBackColor);
142         }
143     }
144 
145     // transfer image data from XOBitmap->SvStream->BYTE-Array
146     SvMemoryStream aPicMemStream;
147     aXOBitmap.Array2Bitmap();
148     WriteDIB(aXOBitmap.GetBitmap(), aPicMemStream);
149     sal_uInt32 nSize = aPicMemStream.GetEndOfData();
150     std::unique_ptr<sal_uInt8[]> pImageBuff(new sal_uInt8[nSize]);
151     memcpy(pImageBuff.get(), aPicMemStream.GetData(), nSize);
152 
153     // create XFBGImage object.
154     std::unique_ptr<XFBGImage> xXFBGImage(new XFBGImage);
155     xXFBGImage->SetImageData(pImageBuff.get(), nSize);
156 
157     pImageBuff.reset();
158 
159     xXFBGImage->SetRepeate();
160 
161     return xXFBGImage;
162 }
163 
164 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
165