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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 <sal/log.hxx>
#include <vcl/svapp.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/outdev.hxx>
#include <vcl/settings.hxx>
#include <vcl/BitmapFilter.hxx>
#include <vcl/ImageTree.hxx>
#include <bitmap/BitmapDisabledImageFilter.hxx>
#include <comphelper/lok.hxx>
#include <image.h>
ImplImage::ImplImage(const BitmapEx &rBitmapEx)
: maBitmapChecksum(0)
, m_nScalePercentage(100)
, maBitmapEx(rBitmapEx)
{
}
ImplImage::ImplImage(const OUString &aStockName)
: maBitmapChecksum(0)
, maStockName(aStockName)
, m_nScalePercentage(-1)
{
}
bool ImplImage::loadStockAtScale(BitmapEx* pBitmapEx) const
{
assert(pBitmapEx);
BitmapEx aBitmapEx;
ImageLoadFlags eScalingFlags = ImageLoadFlags::NONE;
if (comphelper::LibreOfficeKit::isActive()) // scale at the surface
eScalingFlags = ImageLoadFlags::IgnoreScalingFactor;
OUString aIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
if (!ImageTree::get().loadImage(maStockName, aIconTheme, aBitmapEx, true,
m_nScalePercentage, eScalingFlags))
{
/* If the uno command has parameters, passed in from a toolbar,
* recover from failure by removing the parameters from the file name
*/
if (maStockName.indexOf("%3f") > 0)
{
sal_Int32 nStart = maStockName.indexOf("%3f");
sal_Int32 nEnd = maStockName.lastIndexOf(".");
OUString aFileName = maStockName.replaceAt(nStart, nEnd - nStart, u"");
if (!ImageTree::get().loadImage(aFileName, aIconTheme, aBitmapEx, true,
m_nScalePercentage, eScalingFlags))
{
SAL_WARN("vcl", "Failed to load scaled image from " << maStockName <<
" and " << aFileName << " at " << m_nScalePercentage << "%");
return false;
}
}
else
{
SAL_WARN("vcl", "Failed to load scaled image from " << maStockName <<
" at " << m_nScalePercentage << "%");
return false;
}
}
(*pBitmapEx) = aBitmapEx;
return true;
}
sal_Int32 ImplImage::GetSgpMetric(vcl::SGPmetric eMetric) const
{
using namespace vcl;
switch (eMetric)
{
case SGPmetric::DPIX:
case vcl::SGPmetric::DPIY:
return round(96 * m_nScalePercentage / 100.0);
case SGPmetric::ScalePercentage: return m_nScalePercentage;
case SGPmetric::OffScreen: return true;
default:
break;
}
if (isStock() && maBitmapEx.IsEmpty())
{
if (loadStockAtScale(const_cast<BitmapEx*>(&maBitmapEx)))
{
assert(maDisabledBitmapEx.IsEmpty());
assert(maBitmapChecksum == 0);
}
else
SAL_WARN("vcl", "Failed to load stock icon " << maStockName);
}
switch (eMetric)
{
case SGPmetric::Width: return maBitmapEx.GetSizePixel().getWidth();
case SGPmetric::Height: return maBitmapEx.GetSizePixel().getHeight();
case SGPmetric::BitCount: return static_cast<sal_Int32>(maBitmapEx.getPixelFormat());
default:
return -1;
}
}
/// non-HiDPI compatibility method.
BitmapEx const & ImplImage::getBitmapEx(bool bDisabled)
{
GetSgpMetric(vcl::SGPmetric::Width); // force load, and at unity scale.
if (bDisabled)
{
// Changed since we last generated this.
BitmapChecksum aChecksum = maBitmapEx.GetChecksum();
if (maBitmapChecksum != aChecksum ||
maDisabledBitmapEx.GetSizePixel() != maBitmapEx.GetSizePixel())
{
maDisabledBitmapEx = maBitmapEx;
BitmapFilter::Filter(maDisabledBitmapEx, BitmapDisabledImageFilter());
maBitmapChecksum = aChecksum;
}
return maDisabledBitmapEx;
}
return maBitmapEx;
}
bool ImplImage::isEqual(const ImplImage &ref) const
{
if (isStock() != ref.isStock())
return false;
if (isStock())
return maStockName == ref.maStockName && m_nScalePercentage == ref.m_nScalePercentage;
else
return maBitmapEx == ref.maBitmapEx;
}
void ImplImage::setScalePercentage(sal_Int32 nScale)
{
assert(nScale > 0);
if (m_nScalePercentage == nScale)
return;
SAL_WARN_IF(!maBitmapEx.IsEmpty() && m_nScalePercentage > 0, "vcl", "image scale changed after loading(" << m_nScalePercentage << "% >> " << nScale << "%); invalidaing image!");
if (m_nScalePercentage > 0 && isStock())
maBitmapEx.SetEmpty();
m_nScalePercentage = nScale;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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