/* -*- 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/config.h>
#include <algorithm>
#include <osl/diagnose.h>
#include <svl/itemset.hxx>
#include <svx/unobrushitemhelper.hxx>
#include <svx/xfillit0.hxx>
#include <svx/xbtmpit.hxx>
#include <svx/xflbmtit.hxx>
#include <svx/xflbmpit.hxx>
#include <svx/xflftrit.hxx>
#include <svx/xflbstit.hxx>
#include <svx/xflbckit.hxx>
#include <svx/xflhtit.hxx>
#include <svx/xflclit.hxx>
#include <svx/xfltrit.hxx>
using namespace com::sun::star;
void setSvxBrushItemAsFillAttributesToTargetSet(const SvxBrushItem& rBrush, SfxItemSet& rToSet)
{
// Clear all items from the DrawingLayer FillStyle range (if we have any). All
// items that need to be set will be set as hard attributes
for(sal_uInt16 a(XATTR_FILL_FIRST); rToSet.Count() && a < XATTR_FILL_LAST; a++)
{
rToSet.ClearItem(a);
}
const sal_uInt8 nTransparency(255 - rBrush.GetColor().GetAlpha());
// tdf#89478 check for image first
if (GPOS_NONE != rBrush.GetGraphicPos())
{
// we have a graphic fill, set fill style
rToSet.Put(XFillStyleItem(drawing::FillStyle_BITMAP));
// set graphic (if available)
const Graphic* pGraphic = rBrush.GetGraphic();
if(pGraphic)
{
rToSet.Put(XFillBitmapItem(OUString(), *pGraphic));
}
else
{
OSL_ENSURE(false, "Could not get Graphic from SvxBrushItem (!)");
}
if(GPOS_AREA == rBrush.GetGraphicPos())
{
// stretch, also means no tile (both items are defaulted to true)
rToSet.Put(XFillBmpStretchItem(true));
rToSet.Put(XFillBmpTileItem(false));
// default for stretch is also top-left, but this will not be visible
rToSet.Put(XFillBmpPosItem(RectPoint::LT));
}
else if(GPOS_TILED == rBrush.GetGraphicPos())
{
// tiled, also means no stretch (both items are defaulted to true)
rToSet.Put(XFillBmpStretchItem(false));
rToSet.Put(XFillBmpTileItem(true));
// default for tiled is top-left
rToSet.Put(XFillBmpPosItem(RectPoint::LT));
}
else
{
// everything else means no tile and no stretch
rToSet.Put(XFillBmpStretchItem(false));
rToSet.Put(XFillBmpTileItem(false));
RectPoint aRectPoint(RectPoint::MM);
switch(rBrush.GetGraphicPos())
{
case GPOS_LT: aRectPoint = RectPoint::LT; break;
case GPOS_MT: aRectPoint = RectPoint::MT; break;
case GPOS_RT: aRectPoint = RectPoint::RT; break;
case GPOS_LM: aRectPoint = RectPoint::LM; break;
case GPOS_MM: aRectPoint = RectPoint::MM; break;
case GPOS_RM: aRectPoint = RectPoint::RM; break;
case GPOS_LB: aRectPoint = RectPoint::LB; break;
case GPOS_MB: aRectPoint = RectPoint::MB; break;
case GPOS_RB: aRectPoint = RectPoint::RB; break;
default: break; // GPOS_NONE, GPOS_AREA and GPOS_TILED already handled
}
rToSet.Put(XFillBmpPosItem(aRectPoint));
}
// check for graphic's transparency
const sal_Int8 nGraphicTransparency(rBrush.getGraphicTransparency());
if(0 != nGraphicTransparency)
{
// nGraphicTransparency is in range [0..100]
rToSet.Put(XFillTransparenceItem(nGraphicTransparency));
}
}
else if (0xff != nTransparency)
{
// we have a color fill
const Color aColor(rBrush.GetColor().GetRGBColor());
rToSet.Put(XFillStyleItem(drawing::FillStyle_SOLID));
XFillColorItem aFillColorItem(OUString(), aColor);
aFillColorItem.setComplexColor(rBrush.getComplexColor());
rToSet.Put(aFillColorItem);
// #125189# nTransparency is in range [0..254], convert to [0..100] which is used in
// XFillTransparenceItem (caution with the range which is in an *item-specific* range)
rToSet.Put(XFillTransparenceItem(((static_cast<sal_Int32>(nTransparency) * 100) + 127) / 254));
}
else
{
// GPOS_NONE == rBrush.GetGraphicPos() && 0xff == rBrush.GetColor().GetTransparency(),
// still need to rescue the color used. There are sequences used on the UNO API at
// import time (OLE. e.g. chart) which first set RGB color (MID_BACK_COLOR_R_G_B,
// color stays transparent) and then set transparency (MID_BACK_COLOR_TRANSPARENCY)
// to zero later. When not saving the color, it will be lost.
// Also need to set the FillStyle to NONE to express the 0xff transparency flag; this
// is needed when e.g. first transparency is set to 0xff and then a Graphic gets set.
// When not changing the FillStyle, the next getSvxBrushItemFromSourceSet *will* return
// to drawing::FillStyle_SOLID with the rescued color.
const Color aColor = rBrush.GetColor().GetRGBColor();
rToSet.Put(XFillStyleItem(drawing::FillStyle_NONE));
XFillColorItem aFillColorItem(OUString(), aColor);
rToSet.Put(aFillColorItem);
}
}
static sal_uInt16 getTransparenceForSvxBrushItem(const SfxItemSet& rSourceSet, bool bSearchInParents)
{
sal_uInt16 nFillTransparence(rSourceSet.Get(XATTR_FILLTRANSPARENCE, bSearchInParents).GetValue());
const XFillFloatTransparenceItem* pGradientItem = nullptr;
if((pGradientItem = rSourceSet.GetItemIfSet(XATTR_FILLFLOATTRANSPARENCE, bSearchInParents))
&& pGradientItem->IsEnabled())
{
const basegfx::BGradient& rGradient = pGradientItem->GetGradientValue();
const sal_uInt16 nStartLuminance(Color(rGradient.GetColorStops().front().getStopColor()).GetLuminance());
const sal_uInt16 nEndLuminance(Color(rGradient.GetColorStops().back().getStopColor()).GetLuminance());
// luminance is [0..255], transparence needs to be in [0..100].Maximum is 51200, thus sal_uInt16 is okay to use
nFillTransparence = static_cast< sal_uInt16 >(((nStartLuminance + nEndLuminance) * 100) / 512);
}
return nFillTransparence;
}
static std::unique_ptr<SvxBrushItem> getSvxBrushItemForSolid(const SfxItemSet& rSourceSet, bool bSearchInParents, sal_uInt16 nBackgroundID)
{
auto const& rFillColorItem = rSourceSet.Get(XATTR_FILLCOLOR, bSearchInParents);
model::ComplexColor aFillComplexColor = rFillColorItem.getComplexColor();
Color aFillColor = rFillColorItem.GetColorValue();
// get evtl. mixed transparence
const sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents));
if(0 != nFillTransparence)
{
// #i125189# nFillTransparence is in range [0..100] and needs to be in [0..254] unsigned
// It is necessary to use the maximum of 0xfe for transparence for the SvxBrushItem
// since the oxff value is used for special purposes (like no fill and derive from parent)
const sal_uInt8 aTargetTrans(std::min(sal_uInt8(0xfe), static_cast< sal_uInt8 >((nFillTransparence * 254) / 100)));
aFillColor.SetAlpha(255 - aTargetTrans);
}
return std::make_unique<SvxBrushItem>(aFillColor, aFillComplexColor, nBackgroundID);
}
std::unique_ptr<SvxBrushItem> getSvxBrushItemFromSourceSet(const SfxItemSet& rSourceSet, sal_uInt16 nBackgroundID, bool bSearchInParents, bool bXMLImportHack)
{
const XFillStyleItem* pXFillStyleItem(rSourceSet.GetItem<XFillStyleItem>(XATTR_FILLSTYLE, bSearchInParents));
if(!pXFillStyleItem || drawing::FillStyle_NONE == pXFillStyleItem->GetValue())
{
// no fill, still need to rescue the evtl. set RGB color, but use as transparent color (we have drawing::FillStyle_NONE)
Color aFillColor(rSourceSet.Get(XATTR_FILLCOLOR, bSearchInParents).GetColorValue());
// for writerfilter: when fill style is none, then don't allow anything other than 0 or auto.
if (!bXMLImportHack && aFillColor != Color(0))
aFillColor = COL_AUTO;
aFillColor.SetAlpha(0);
return std::make_unique<SvxBrushItem>(aFillColor, nBackgroundID);
}
std::unique_ptr<SvxBrushItem> xRetval;
switch(pXFillStyleItem->GetValue())
{
case drawing::FillStyle_NONE:
{
// already handled above, can not happen again
break;
}
case drawing::FillStyle_SOLID:
{
// create SvxBrushItem with fill color
xRetval = getSvxBrushItemForSolid(rSourceSet, bSearchInParents, nBackgroundID);
break;
}
case drawing::FillStyle_GRADIENT:
{
// cannot be directly supported, but do the best possible
const basegfx::BGradient aBGradient(rSourceSet.Get(XATTR_FILLGRADIENT).GetGradientValue());
const basegfx::BColor aStartColor(aBGradient.GetColorStops().front().getStopColor() * (aBGradient.GetStartIntens() * 0.01));
const basegfx::BColor aEndColor(aBGradient.GetColorStops().back().getStopColor() * (aBGradient.GetEndIntens() * 0.01));
// use half/half mixed color from gradient start and end
Color aMixedColor((aStartColor + aEndColor) * 0.5);
// get evtl. mixed transparence
const sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents));
if(0 != nFillTransparence)
{
// #i125189# nFillTransparence is in range [0..100] and needs to be in [0..254] unsigned
// It is necessary to use the maximum of 0xfe for transparence for the SvxBrushItem
// since the oxff value is used for special purposes (like no fill and derive from parent)
const sal_uInt8 aTargetTrans(std::min(sal_uInt8(0xfe), static_cast< sal_uInt8 >((nFillTransparence * 254) / 100)));
aMixedColor.SetAlpha(255 - aTargetTrans);
}
xRetval = std::make_unique<SvxBrushItem>(aMixedColor, nBackgroundID);
break;
}
case drawing::FillStyle_HATCH:
{
// cannot be directly supported, but do the best possible
const XHatch& rHatch(rSourceSet.Get(XATTR_FILLHATCH).GetHatchValue());
const bool bFillBackground(rSourceSet.Get(XATTR_FILLBACKGROUND).GetValue());
if(bFillBackground)
{
// hatch is background-filled, use FillColor as if drawing::FillStyle_SOLID
xRetval = getSvxBrushItemForSolid(rSourceSet, bSearchInParents, nBackgroundID);
}
else
{
// hatch is not background-filled and using hatch color would be too dark; compensate
// somewhat by making it more transparent
Color aHatchColor(rHatch.GetColor());
// get evtl. mixed transparence
sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents));
// take half orig transparence, add half transparent, clamp result
nFillTransparence = std::clamp(static_cast<sal_uInt16>((nFillTransparence / 2) + 50), sal_uInt16(0), sal_uInt16(255));
// #i125189# nFillTransparence is in range [0..100] and needs to be in [0..254] unsigned
// It is necessary to use the maximum of 0xfe for transparence for the SvxBrushItem
// since the oxff value is used for special purposes (like no fill and derive from parent)
const sal_uInt8 aTargetTrans(std::min(sal_uInt8(0xfe), static_cast< sal_uInt8 >((nFillTransparence * 254) / 100)));
aHatchColor.SetAlpha(255 - aTargetTrans);
xRetval = std::make_unique<SvxBrushItem>(aHatchColor, nBackgroundID);
}
break;
}
case drawing::FillStyle_BITMAP:
{
// create SvxBrushItem with bitmap info and flags
const XFillBitmapItem& rBmpItm = rSourceSet.Get(XATTR_FILLBITMAP, bSearchInParents);
const Graphic aGraphic(rBmpItm.GetGraphicObject().GetGraphic());
// continue independent of evtl. GraphicType::NONE as aGraphic.GetType(), we still need to rescue positions
SvxGraphicPosition aSvxGraphicPosition(GPOS_NONE);
const XFillBmpStretchItem& rStretchItem = rSourceSet.Get(XATTR_FILLBMP_STRETCH, bSearchInParents);
const XFillBmpTileItem& rTileItem = rSourceSet.Get(XATTR_FILLBMP_TILE, bSearchInParents);
if(rTileItem.GetValue())
{
aSvxGraphicPosition = GPOS_TILED;
}
else if(rStretchItem.GetValue())
{
aSvxGraphicPosition = GPOS_AREA;
}
else
{
const XFillBmpPosItem& rPosItem = rSourceSet.Get(XATTR_FILLBMP_POS, bSearchInParents);
switch(rPosItem.GetValue())
{
case RectPoint::LT: aSvxGraphicPosition = GPOS_LT; break;
case RectPoint::MT: aSvxGraphicPosition = GPOS_MT; break;
case RectPoint::RT: aSvxGraphicPosition = GPOS_RT; break;
case RectPoint::LM: aSvxGraphicPosition = GPOS_LM; break;
case RectPoint::MM: aSvxGraphicPosition = GPOS_MM; break;
case RectPoint::RM: aSvxGraphicPosition = GPOS_RM; break;
case RectPoint::LB: aSvxGraphicPosition = GPOS_LB; break;
case RectPoint::MB: aSvxGraphicPosition = GPOS_MB; break;
case RectPoint::RB: aSvxGraphicPosition = GPOS_RB; break;
}
}
// create with given graphic and position
xRetval = std::make_unique<SvxBrushItem>(aGraphic, aSvxGraphicPosition, nBackgroundID);
// get evtl. mixed transparence
const sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents));
if(0 != nFillTransparence)
{
// #i125189# nFillTransparence is in range [0..100] and needs to be in [0..100] signed
xRetval->setGraphicTransparency(static_cast< sal_Int8 >(nFillTransparence));
}
break;
}
default:
xRetval = std::make_unique<SvxBrushItem>(nBackgroundID);
break;
}
return xRetval;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V1048 The 'aRectPoint' variable was assigned the same value.