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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svx/tbxcolorupdate.hxx>
#include <svx/svxids.hrc>
#include <vcl/toolbox.hxx>
#include <vcl/bmpacc.hxx>
#include <vcl/settings.hxx>
#include <tools/debug.hxx>
namespace svx
{
//= ToolboxButtonColorUpdater
/* Note:
The initial color shown on the button is set in /core/svx/source/tbxctrls/tbxcolorupdate.cxx
(ToolboxButtonColorUpdater::ToolboxButtonColorUpdater()) .
The initial color used by the button is set in /core/svx/source/tbxctrls/tbcontrl.cxx
(SvxColorToolBoxControl::SvxColorToolBoxControl())
and in case of writer for text(background)color also in /core/sw/source/uibase/docvw/edtwin.cxx
(SwEditWin::m_aTextBackColor and SwEditWin::m_aTextColor)
*/
ToolboxButtonColorUpdater::ToolboxButtonColorUpdater(
sal_uInt16 nId,
sal_uInt16 nTbxBtnId,
ToolBox* ptrTbx) :
mnBtnId ( nTbxBtnId ),
mnSlotId ( nId ),
mpTbx ( ptrTbx ),
maCurColor ( COL_TRANSPARENT )
{
DBG_ASSERT( ptrTbx, "ToolBox not found :-(" );
mbWasHiContrastMode = ptrTbx ? ( ptrTbx->GetSettings().GetStyleSettings().GetHighContrastMode() ) : sal_False;
switch( mnSlotId )
{
case SID_ATTR_CHAR_COLOR :
case SID_ATTR_CHAR_COLOR2 :
Update( COL_RED );
break;
case SID_FRAME_LINECOLOR :
Update( COL_BLUE );
break;
case SID_ATTR_CHAR_COLOR_BACKGROUND :
case SID_BACKGROUND_COLOR :
Update( COL_YELLOW );
break;
case SID_ATTR_LINE_COLOR:
Update( COL_BLACK );
break;
default :
Update( COL_TRANSPARENT );
}
}
ToolboxButtonColorUpdater::~ToolboxButtonColorUpdater()
{
}
void ToolboxButtonColorUpdater::Update( const Color& rColor )
{
Image aImage( mpTbx->GetItemImage( mnBtnId ) );
Size aItemSize( mpTbx->GetItemContentSize( mnBtnId ) );
const bool bSizeChanged = ( maBmpSize != aItemSize );
const bool bDisplayModeChanged = ( mbWasHiContrastMode != mpTbx->GetSettings().GetStyleSettings().GetHighContrastMode() );
Color aColor( rColor );
// !!! #109290# Workaround for SetFillColor with COL_AUTO
if( aColor.GetColor() == COL_AUTO )
aColor = Color( COL_TRANSPARENT );
// For a shape selected in 'Draw', when color selected in Sidebar > Line > Color
// is COL_BLACK, then (maCurColor != aColor) becomes 'false', therefore we take
// explicit care of COL_BLACK from the last argument in the condition so that the
// Update() does its routine job appropriately !
if( ( maCurColor != aColor ) || bSizeChanged || bDisplayModeChanged || ( aColor == COL_BLACK ) )
{
// create an empty bitmap, and copy the original bitmap inside
// (so that it grows in case the original bitmap was smaller)
sal_uInt8 nAlpha = 255;
BitmapEx aBmpEx( Bitmap( aItemSize, 24 ), AlphaMask( aItemSize, &nAlpha ) );
BitmapEx aSource( aImage.GetBitmapEx() );
Rectangle aRect( Point( 0, 0 ),
Size( std::min( aItemSize.Width(), aSource.GetSizePixel().Width() ), std::min( aItemSize.Height(), aSource.GetSizePixel().Height() ) ) );
aBmpEx.CopyPixel( aRect, aRect, &aSource );
Bitmap aBmp( aBmpEx.GetBitmap() );
BitmapWriteAccess* pBmpAcc = aBmp.IsEmpty() ? NULL : aBmp.AcquireWriteAccess();
maBmpSize = aBmp.GetSizePixel();
if( pBmpAcc )
{
Bitmap aMsk;
BitmapWriteAccess* pMskAcc;
if( aBmpEx.IsAlpha() )
pMskAcc = ( aMsk = aBmpEx.GetAlpha().GetBitmap() ).AcquireWriteAccess();
else if( aBmpEx.IsTransparent() )
pMskAcc = ( aMsk = aBmpEx.GetMask() ).AcquireWriteAccess();
else
pMskAcc = NULL;
mbWasHiContrastMode = mpTbx->GetSettings().GetStyleSettings().GetHighContrastMode();
if( ( COL_TRANSPARENT != aColor.GetColor() ) && ( maBmpSize.Width() == maBmpSize.Height() ) )
pBmpAcc->SetLineColor( aColor );
else if( mpTbx->GetBackground().GetColor().IsDark() )
pBmpAcc->SetLineColor( Color( COL_WHITE ) );
else
pBmpAcc->SetLineColor( Color( COL_BLACK ) );
pBmpAcc->SetFillColor( maCurColor = aColor );
if( maBmpSize.Width() == maBmpSize.Height() )
maUpdRect = Rectangle( Point( 0, maBmpSize.Height() * 3 / 4 ), Size( maBmpSize.Width(), maBmpSize.Height() / 4 ) );
else
maUpdRect = Rectangle( Point( maBmpSize.Height() + 2, 2 ), Point( maBmpSize.Width() - 3, maBmpSize.Height() - 3 ) );
pBmpAcc->DrawRect( maUpdRect );
if( pMskAcc )
{
if( COL_TRANSPARENT == aColor.GetColor() )
{
pMskAcc->SetLineColor( COL_BLACK );
pMskAcc->SetFillColor( COL_WHITE );
}
else
pMskAcc->SetFillColor( COL_BLACK );
pMskAcc->DrawRect( maUpdRect );
}
aBmp.ReleaseAccess( pBmpAcc );
if( pMskAcc )
aMsk.ReleaseAccess( pMskAcc );
if( aBmpEx.IsAlpha() )
aBmpEx = BitmapEx( aBmp, AlphaMask( aMsk ) );
else if( aBmpEx.IsTransparent() )
aBmpEx = BitmapEx( aBmp, aMsk );
else
aBmpEx = aBmp;
mpTbx->SetItemImage( mnBtnId, Image( aBmpEx ) );
}
}
}
} // namespace svx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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