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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 :
21 : #include <svx/tbxcolorupdate.hxx>
22 : #include <svx/svxids.hrc>
23 :
24 : #include <vcl/toolbox.hxx>
25 : #include <vcl/bmpacc.hxx>
26 : #include <vcl/settings.hxx>
27 : #include <tools/debug.hxx>
28 :
29 :
30 : namespace svx
31 : {
32 :
33 :
34 :
35 : //= ToolboxButtonColorUpdater
36 :
37 : /* Note:
38 : The initial color shown on the button is set in /core/svx/source/tbxctrls/tbxcolorupdate.cxx
39 : (ToolboxButtonColorUpdater::ToolboxButtonColorUpdater()) .
40 : The initial color used by the button is set in /core/svx/source/tbxctrls/tbcontrl.cxx
41 : (SvxColorExtToolBoxControl::SvxColorExtToolBoxControl())
42 : and in case of writer for text(background)color also in /core/sw/source/ui/docvw/edtwin.cxx
43 : (SwEditWin::aTextBackColor and SwEditWin::aTextBackColor)
44 : */
45 :
46 0 : ToolboxButtonColorUpdater::ToolboxButtonColorUpdater(
47 : sal_uInt16 nId,
48 : sal_uInt16 nTbxBtnId,
49 : ToolBox* ptrTbx) :
50 : mnBtnId ( nTbxBtnId ),
51 : mnSlotId ( nId ),
52 : mpTbx ( ptrTbx ),
53 0 : maCurColor ( COL_TRANSPARENT )
54 : {
55 : DBG_ASSERT( ptrTbx, "ToolBox not found :-(" );
56 0 : mbWasHiContrastMode = ptrTbx ? ( ptrTbx->GetSettings().GetStyleSettings().GetHighContrastMode() ) : sal_False;
57 0 : switch( mnSlotId )
58 : {
59 : case SID_ATTR_CHAR_COLOR :
60 : case SID_ATTR_CHAR_COLOR2 :
61 0 : Update( COL_RED );
62 0 : break;
63 : case SID_FRAME_LINECOLOR :
64 0 : Update( COL_BLUE );
65 0 : break;
66 : case SID_ATTR_CHAR_COLOR_BACKGROUND :
67 : case SID_BACKGROUND_COLOR :
68 0 : Update( COL_YELLOW );
69 0 : break;
70 : default :
71 0 : Update( COL_TRANSPARENT );
72 : }
73 0 : }
74 :
75 :
76 :
77 0 : ToolboxButtonColorUpdater::~ToolboxButtonColorUpdater()
78 : {
79 0 : }
80 :
81 :
82 :
83 0 : void ToolboxButtonColorUpdater::Update( const Color& rColor )
84 : {
85 0 : Image aImage( mpTbx->GetItemImage( mnBtnId ) );
86 0 : Size aItemSize( mpTbx->GetItemContentSize( mnBtnId ) );
87 :
88 0 : const bool bSizeChanged = ( maBmpSize != aItemSize );
89 0 : const bool bDisplayModeChanged = ( mbWasHiContrastMode != mpTbx->GetSettings().GetStyleSettings().GetHighContrastMode() );
90 0 : Color aColor( rColor );
91 :
92 : // !!! #109290# Workaround for SetFillColor with COL_AUTO
93 0 : if( aColor.GetColor() == COL_AUTO )
94 0 : aColor = Color( COL_TRANSPARENT );
95 :
96 : // For a shape selected in 'Draw', when color selected in Sidebar > Line > Color
97 : // is COL_BLACK, then (maCurColor != aColor) becomes 'false', therefore we take
98 : // explicit care of COL_BLACK from the last argument in the condition so that the
99 : // Update() does its routine job appropriately !
100 0 : if( ( maCurColor != aColor ) || bSizeChanged || bDisplayModeChanged || ( aColor == COL_BLACK ) )
101 : {
102 : // create an empty bitmap, and copy the original bitmap inside
103 : // (so that it grows in case the original bitmap was smaller)
104 0 : sal_uInt8 nAlpha = 255;
105 0 : BitmapEx aBmpEx( Bitmap( aItemSize, 24 ), AlphaMask( aItemSize, &nAlpha ) );
106 0 : BitmapEx aSource( aImage.GetBitmapEx() );
107 : Rectangle aRect( Point( 0, 0 ),
108 0 : Size( std::min( aItemSize.Width(), aSource.GetSizePixel().Width() ), std::min( aItemSize.Height(), aSource.GetSizePixel().Height() ) ) );
109 0 : aBmpEx.CopyPixel( aRect, aRect, &aSource );
110 :
111 0 : Bitmap aBmp( aBmpEx.GetBitmap() );
112 0 : BitmapWriteAccess* pBmpAcc = aBmp.IsEmpty() ? NULL : aBmp.AcquireWriteAccess();
113 :
114 0 : maBmpSize = aBmp.GetSizePixel();
115 :
116 0 : if( pBmpAcc )
117 : {
118 0 : Bitmap aMsk;
119 : BitmapWriteAccess* pMskAcc;
120 :
121 0 : if( aBmpEx.IsAlpha() )
122 0 : pMskAcc = ( aMsk = aBmpEx.GetAlpha().GetBitmap() ).AcquireWriteAccess();
123 0 : else if( aBmpEx.IsTransparent() )
124 0 : pMskAcc = ( aMsk = aBmpEx.GetMask() ).AcquireWriteAccess();
125 : else
126 0 : pMskAcc = NULL;
127 :
128 0 : mbWasHiContrastMode = mpTbx->GetSettings().GetStyleSettings().GetHighContrastMode();
129 :
130 0 : if( ( COL_TRANSPARENT != aColor.GetColor() ) && ( maBmpSize.Width() == maBmpSize.Height() ) )
131 0 : pBmpAcc->SetLineColor( aColor );
132 0 : else if( mpTbx->GetBackground().GetColor().IsDark() )
133 0 : pBmpAcc->SetLineColor( Color( COL_WHITE ) );
134 : else
135 0 : pBmpAcc->SetLineColor( Color( COL_BLACK ) );
136 :
137 0 : pBmpAcc->SetFillColor( maCurColor = aColor );
138 :
139 0 : if( maBmpSize.Width() == maBmpSize.Height() )
140 0 : maUpdRect = Rectangle( Point( 0, maBmpSize.Height() * 3 / 4 ), Size( maBmpSize.Width(), maBmpSize.Height() / 4 ) );
141 : else
142 0 : maUpdRect = Rectangle( Point( maBmpSize.Height() + 2, 2 ), Point( maBmpSize.Width() - 3, maBmpSize.Height() - 3 ) );
143 :
144 0 : pBmpAcc->DrawRect( maUpdRect );
145 :
146 0 : if( pMskAcc )
147 : {
148 0 : if( COL_TRANSPARENT == aColor.GetColor() )
149 : {
150 0 : pMskAcc->SetLineColor( COL_BLACK );
151 0 : pMskAcc->SetFillColor( COL_WHITE );
152 : }
153 : else
154 0 : pMskAcc->SetFillColor( COL_BLACK );
155 :
156 0 : pMskAcc->DrawRect( maUpdRect );
157 : }
158 :
159 0 : aBmp.ReleaseAccess( pBmpAcc );
160 :
161 0 : if( pMskAcc )
162 0 : aMsk.ReleaseAccess( pMskAcc );
163 :
164 0 : if( aBmpEx.IsAlpha() )
165 0 : aBmpEx = BitmapEx( aBmp, AlphaMask( aMsk ) );
166 0 : else if( aBmpEx.IsTransparent() )
167 0 : aBmpEx = BitmapEx( aBmp, aMsk );
168 : else
169 0 : aBmpEx = aBmp;
170 :
171 0 : mpTbx->SetItemImage( mnBtnId, Image( aBmpEx ) );
172 0 : }
173 0 : }
174 0 : }
175 :
176 :
177 : } // namespace svx
178 :
179 :
180 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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