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Diffstat (limited to 'svx/source/unodraw/unobrushitemhelper.cxx')
| -rw-r--r-- | svx/source/unodraw/unobrushitemhelper.cxx | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/svx/source/unodraw/unobrushitemhelper.cxx b/svx/source/unodraw/unobrushitemhelper.cxx new file mode 100644 index 000000000000..5ce03ac02c40 --- /dev/null +++ b/svx/source/unodraw/unobrushitemhelper.cxx @@ -0,0 +1,325 @@ +/* -*- 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/unobrushitemhelper.hxx> +#include <svx/xfillit0.hxx> +#include <svx/xbtmpit.hxx> +#include <svx/xgrscit.hxx> +#include <svx/xflbmtit.hxx> +#include <svx/xflbmpit.hxx> +#include <svx/xflbmsxy.hxx> +#include <svx/xflbmsxy.hxx> +#include <svx/xflftrit.hxx> +#include <svx/xsflclit.hxx> +#include <svx/xflbmsli.hxx> +#include <svx/xflbtoxy.hxx> +#include <svx/xflbstit.hxx> +#include <svx/xflboxy.hxx> +#include <svx/xflbckit.hxx> +#include <svx/xflhtit.hxx> +#include <svx/xflclit.hxx> +#include <svx/xfltrit.hxx> +#include <svx/unoshape.hxx> + +//UUUU +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(rBrush.GetColor().GetTransparency()); + + if(0xff != nTransparency) + { + // we have a color fill + const Color aColor(rBrush.GetColor().GetRGBColor()); + + rToSet.Put(XFillStyleItem(XFILL_SOLID)); + rToSet.Put(XFillColorItem(OUString(), aColor)); + + // nTransparency is in range [0..255], convert to [0..100] which is used in XFillTransparenceItem + rToSet.Put(XFillTransparenceItem((((sal_Int32)nTransparency * 100) + 127) / 255)); + } + else if(GPOS_NONE != rBrush.GetGraphicPos()) + { + // we have a graphic fill, set fill style + rToSet.Put(XFillStyleItem(XFILL_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 strech is also top-left, but this will not be visible + rToSet.Put(XFillBmpPosItem(RP_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(RP_LT)); + } + else + { + // everything else means no tile and no stretch + rToSet.Put(XFillBmpStretchItem(false)); + rToSet.Put(XFillBmpTileItem(false)); + + RECT_POINT aRectPoint(RP_MM); + + switch(rBrush.GetGraphicPos()) + { + case GPOS_LT: aRectPoint = RP_LT; break; + case GPOS_MT: aRectPoint = RP_MT; break; + case GPOS_RT: aRectPoint = RP_RT; break; + case GPOS_LM: aRectPoint = RP_LM; break; + case GPOS_MM: aRectPoint = RP_MM; break; + case GPOS_RM: aRectPoint = RP_RM; break; + case GPOS_LB: aRectPoint = RP_LB; break; + case GPOS_MB: aRectPoint = RP_MB; break; + case GPOS_RB: aRectPoint = RP_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 + { + // 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 XFILL_SOLID with the rescued color. + const Color aColor(rBrush.GetColor().GetRGBColor()); + + rToSet.Put(XFillStyleItem(XFILL_NONE)); + rToSet.Put(XFillColorItem(OUString(), aColor)); + } +} + +//UUUU +sal_uInt16 getTransparenceForSvxBrushItem(const SfxItemSet& rSourceSet, bool bSearchInParents) +{ + sal_uInt16 nFillTransparence(static_cast< const XFillTransparenceItem& >(rSourceSet.Get(XATTR_FILLTRANSPARENCE, bSearchInParents)).GetValue()); + const SfxPoolItem* pGradientItem = 0; + + if(SFX_ITEM_SET == rSourceSet.GetItemState(XATTR_FILLFLOATTRANSPARENCE, bSearchInParents, &pGradientItem) + && static_cast< const XFillFloatTransparenceItem* >(pGradientItem)->IsEnabled()) + { + const XGradient& rGradient = static_cast< const XFillFloatTransparenceItem* >(pGradientItem)->GetGradientValue(); + const sal_uInt16 nStartLuminance(rGradient.GetStartColor().GetLuminance()); + const sal_uInt16 nEndLuminance(rGradient.GetEndColor().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; +} + +//UUUU +SvxBrushItem getSvxBrushItemForSolid(const SfxItemSet& rSourceSet, bool bSearchInParents, sal_uInt16 nBackgroundID) +{ + Color aFillColor(static_cast< const XFillColorItem& >(rSourceSet.Get(XATTR_FILLCOLOR, bSearchInParents)).GetColorValue()); + + // get evtl. mixed transparence + const sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents)); + + if(0 != nFillTransparence) + { + // nFillTransparence is in range [0..100] and needs to be in [0..255] unsigned + aFillColor.SetTransparency(static_cast< sal_uInt8 >((nFillTransparence * 255) / 100)); + } + + return SvxBrushItem(aFillColor, nBackgroundID); +} + +//UUUU +SvxBrushItem getSvxBrushItemFromSourceSet(const SfxItemSet& rSourceSet, sal_uInt16 nBackgroundID, bool bSearchInParents) +{ + const XFillStyleItem* pXFillStyleItem(static_cast< const XFillStyleItem* >(rSourceSet.GetItem(XATTR_FILLSTYLE, bSearchInParents))); + + if(!pXFillStyleItem || XFILL_NONE == pXFillStyleItem->GetValue()) + { + // no fill, still need to rescue the evtl. set RGB color, but use as transparent color (we have XFILL_NONE) + Color aFillColor(static_cast< const XFillColorItem& >(rSourceSet.Get(XATTR_FILLCOLOR, bSearchInParents)).GetColorValue()); + aFillColor.SetTransparency(0xff); + + return SvxBrushItem(aFillColor, nBackgroundID); + } + + SvxBrushItem aRetval(nBackgroundID); + + switch(pXFillStyleItem->GetValue()) + { + case XFILL_NONE: + { + // already handled above, can not happen again + break; + } + case XFILL_SOLID: + { + // create SvxBrushItem with fill color + aRetval = getSvxBrushItemForSolid(rSourceSet, bSearchInParents, nBackgroundID); + break; + } + case XFILL_GRADIENT: + { + // cannot be directly supported, but do the best possible + const XGradient aXGradient(static_cast< const XFillGradientItem& >(rSourceSet.Get(XATTR_FILLGRADIENT)).GetGradientValue()); + const basegfx::BColor aStartColor(aXGradient.GetStartColor().getBColor() * (aXGradient.GetStartIntens() * 0.01)); + const basegfx::BColor aEndColor(aXGradient.GetEndColor().getBColor() * (aXGradient.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) + { + // nFillTransparence is in range [0..100] and needs to be in [0..255] unsigned + aMixedColor.SetTransparency(static_cast< sal_uInt8 >((nFillTransparence * 255) / 100)); + } + + aRetval = SvxBrushItem(aMixedColor, nBackgroundID); + break; + } + case XFILL_HATCH: + { + // cannot be directly supported, but do the best possible + const XHatch& rHatch(static_cast< const XFillHatchItem& >(rSourceSet.Get(XATTR_FILLHATCH)).GetHatchValue()); + const bool bFillBackground(static_cast< const XFillBackgroundItem& >(rSourceSet.Get(XATTR_FILLBACKGROUND)).GetValue()); + + if(bFillBackground) + { + // hatch is background-filled, use FillColor as if XFILL_SOLID + aRetval = 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 = basegfx::clamp((sal_uInt16)((nFillTransparence / 2) + 50), (sal_uInt16)0, (sal_uInt16)255); + + // nFillTransparence is in range [0..100] and needs to be in [0..255] unsigned + aHatchColor.SetTransparency(static_cast< sal_uInt8 >((nFillTransparence * 255) / 100)); + + aRetval = SvxBrushItem(aHatchColor, nBackgroundID); + } + + break; + } + case XFILL_BITMAP: + { + // create SvxBrushItem with bitmap info and flags + const XFillBitmapItem& rBmpItm = static_cast< const XFillBitmapItem& >(rSourceSet.Get(XATTR_FILLBITMAP, bSearchInParents)); + const Graphic aGraphic(rBmpItm.GetGraphicObject().GetGraphic()); + + // continue idependent of evtl. GRAPHIC_NONE as aGraphic.GetType(), we still need to rescue positions + SvxGraphicPosition aSvxGraphicPosition(GPOS_NONE); + const XFillBmpStretchItem& rStretchItem = static_cast< const XFillBmpStretchItem& >(rSourceSet.Get(XATTR_FILLBMP_STRETCH, bSearchInParents)); + const XFillBmpTileItem& rTileItem = static_cast< const XFillBmpTileItem& >(rSourceSet.Get(XATTR_FILLBMP_TILE, bSearchInParents)); + + if(rTileItem.GetValue()) + { + aSvxGraphicPosition = GPOS_TILED; + } + else if(rStretchItem.GetValue()) + { + aSvxGraphicPosition = GPOS_AREA; + } + else + { + const XFillBmpPosItem& rPosItem = static_cast< const XFillBmpPosItem& >(rSourceSet.Get(XATTR_FILLBMP_POS, bSearchInParents)); + + switch(rPosItem.GetValue()) + { + case RP_LT: aSvxGraphicPosition = GPOS_LT; break; + case RP_MT: aSvxGraphicPosition = GPOS_MT; break; + case RP_RT: aSvxGraphicPosition = GPOS_RT; break; + case RP_LM: aSvxGraphicPosition = GPOS_LM; break; + case RP_MM: aSvxGraphicPosition = GPOS_MM; break; + case RP_RM: aSvxGraphicPosition = GPOS_RM; break; + case RP_LB: aSvxGraphicPosition = GPOS_LB; break; + case RP_MB: aSvxGraphicPosition = GPOS_MB; break; + case RP_RB: aSvxGraphicPosition = GPOS_RB; break; + } + } + + // create with given graphic and position + aRetval = SvxBrushItem(aGraphic, aSvxGraphicPosition, nBackgroundID); + + // get evtl. mixed transparence + const sal_uInt16 nFillTransparence(getTransparenceForSvxBrushItem(rSourceSet, bSearchInParents)); + + if(0 != nFillTransparence) + { + // nFillTransparence is in range [0..100] and needs to be in [0..100] signed + aRetval.setGraphicTransparency(static_cast< sal_Int8 >(nFillTransparence)); + } + + break; + } + } + + return aRetval; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |