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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 <svx/xdef.hxx>
#include <vcl/toolbox.hxx>
#include <vcl/bitmapaccess.hxx>
#include <vcl/settings.hxx>
#include <tools/debug.hxx>
namespace svx
{
ToolboxButtonColorUpdater::ToolboxButtonColorUpdater(
sal_uInt16 nId, sal_uInt16 nTbxBtnId, ToolBox* pToolBox, bool bWideButton)
: mbWideButton(bWideButton)
, mnBtnId(nTbxBtnId)
, mnSlotId(nId)
, mpTbx(pToolBox)
, maCurColor(COL_TRANSPARENT)
{
DBG_ASSERT(pToolBox, "ToolBox not found :-(");
mbWasHiContrastMode = pToolBox && pToolBox->GetSettings().GetStyleSettings().GetHighContrastMode();
switch (mnSlotId)
{
case SID_ATTR_CHAR_COLOR:
case SID_ATTR_CHAR_COLOR2:
Update(COL_RED_FONTCOLOR);
break;
case SID_FRAME_LINECOLOR:
Update(COL_BLUE);
break;
case SID_ATTR_CHAR_COLOR_BACKGROUND:
case SID_ATTR_CHAR_BACK_COLOR:
case SID_BACKGROUND_COLOR:
Update(COL_YELLOW_HIGHLIGHT);
break;
case SID_ATTR_LINE_COLOR:
Update(COL_DEFAULT_SHAPE_STROKE);
break;
case SID_ATTR_FILL_COLOR:
Update(COL_DEFAULT_SHAPE_FILLING);
break;
default:
Update(COL_TRANSPARENT);
}
}
ToolboxButtonColorUpdater::~ToolboxButtonColorUpdater()
{}
void ToolboxButtonColorUpdater::Update(const Color& rColor, bool bForceUpdate)
{
Image aImage(mpTbx->GetItemImage(mnBtnId));
Size aItemSize(mbWideButton ? mpTbx->GetItemContentSize(mnBtnId) : aImage.GetSizePixel());
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);
if ((maCurColor != aColor) || bSizeChanged || bDisplayModeChanged || bForceUpdate)
{
// 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());
long nWidth = std::min(aItemSize.Width(), aSource.GetSizePixel().Width());
long nHeight = std::min(aItemSize.Height(), aSource.GetSizePixel().Height());
tools::Rectangle aRect(Point(0, 0), Size(nWidth, nHeight));
aBmpEx.CopyPixel( aRect, aRect, &aSource );
Bitmap aBmp( aBmpEx.GetBitmap() );
BitmapWriteAccess* pBmpAcc = aBmp.IsEmpty() ? nullptr : aBmp.AcquireWriteAccess();
maBmpSize = aBmp.GetSizePixel();
if (pBmpAcc)
{
Bitmap aMsk;
BitmapWriteAccess* pMskAcc;
if (aBmpEx.IsAlpha())
{
aMsk = aBmpEx.GetAlpha().GetBitmap();
pMskAcc = aMsk.AcquireWriteAccess();
}
else if (aBmpEx.IsTransparent())
{
aMsk = aBmpEx.GetMask();
pMskAcc = aMsk.AcquireWriteAccess();
}
else
{
pMskAcc = nullptr;
}
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));
// use not only COL_TRANSPARENT for detection of transparence,
// but the method/way which is designed to do that
const bool bIsTransparent(0xff == aColor.GetTransparency());
maCurColor = aColor;
if (bIsTransparent)
{
pBmpAcc->SetFillColor();
}
else
{
pBmpAcc->SetFillColor(maCurColor);
}
if (maBmpSize.Width() == maBmpSize.Height())
// tdf#84985 align color bar with icon bottom edge; integer arithmetic e.g. 26 - 26/4 <> 26 * 3/4
maUpdRect = tools::Rectangle(Point( 0, maBmpSize.Height() - maBmpSize.Height() / 4), Size(maBmpSize.Width(), maBmpSize.Height() / 4));
else
maUpdRect = tools::Rectangle(Point( maBmpSize.Height() + 2, 2), Point(maBmpSize.Width() - 3, maBmpSize.Height() - 3));
pBmpAcc->DrawRect(maUpdRect);
if (pMskAcc)
{
if (bIsTransparent)
{
pMskAcc->SetLineColor(COL_BLACK);
pMskAcc->SetFillColor(COL_WHITE);
}
else
pMskAcc->SetFillColor(COL_BLACK);
pMskAcc->DrawRect(maUpdRect);
}
Bitmap::ReleaseAccess(pBmpAcc);
if (pMskAcc)
Bitmap::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));
}
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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