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Diffstat (limited to 'svx/source/sdr/attribute/sdrallfillattributeshelper.cxx')
| -rwxr-xr-x | svx/source/sdr/attribute/sdrallfillattributeshelper.cxx | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/svx/source/sdr/attribute/sdrallfillattributeshelper.cxx b/svx/source/sdr/attribute/sdrallfillattributeshelper.cxx new file mode 100755 index 000000000000..1814b3eeb4db --- /dev/null +++ b/svx/source/sdr/attribute/sdrallfillattributeshelper.cxx @@ -0,0 +1,275 @@ +/************************************************************** + * + * 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 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + *************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svx.hxx" + +#include <svx/sdr/attribute/sdrallfillattributeshelper.hxx> +#include <svx/sdr/primitive2d/sdrattributecreator.hxx> +#include <svx/sdr/primitive2d/sdrdecompositiontools.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <drawinglayer/attribute/fillhatchattribute.hxx> +#include <drawinglayer/attribute/sdrfillgraphicattribute.hxx> +#include <svx/xfillit0.hxx> +#include <vcl/graph.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace attribute + { + void SdrAllFillAttributesHelper::createPrimitive2DSequence( + const basegfx::B2DRange& rPaintRange, + const basegfx::B2DRange& rDefineRange) + { + // reset and remember new target range for object geometry + maLastPaintRange = rPaintRange; + maLastDefineRange = rDefineRange; + + if(isUsed()) + { + maPrimitives.realloc(1); + maPrimitives[0] = drawinglayer::primitive2d::createPolyPolygonFillPrimitive( + basegfx::B2DPolyPolygon( + basegfx::tools::createPolygonFromRect( + maLastPaintRange)), + maLastDefineRange, + maFillAttribute.get() ? *maFillAttribute.get() : drawinglayer::attribute::SdrFillAttribute(), + maFillGradientAttribute.get() ? *maFillGradientAttribute.get() : drawinglayer::attribute::FillGradientAttribute()); + } + } + + SdrAllFillAttributesHelper::SdrAllFillAttributesHelper() + : maLastPaintRange(), + maLastDefineRange(), + maFillAttribute(), + maFillGradientAttribute(), + maPrimitives() + { + } + + SdrAllFillAttributesHelper::SdrAllFillAttributesHelper(const Color& rColor) + : maLastPaintRange(), + maLastDefineRange(), + maFillAttribute(), + maFillGradientAttribute(), + maPrimitives() + { + maFillAttribute.reset( + new drawinglayer::attribute::SdrFillAttribute( + 0.0, + Color(rColor.GetRGBColor()).getBColor(), + drawinglayer::attribute::FillGradientAttribute(), + drawinglayer::attribute::FillHatchAttribute(), + drawinglayer::attribute::SdrFillGraphicAttribute())); + } + + SdrAllFillAttributesHelper::SdrAllFillAttributesHelper(const SfxItemSet& rSet) + : maLastPaintRange(), + maLastDefineRange(), + maFillAttribute( + new drawinglayer::attribute::SdrFillAttribute( + drawinglayer::primitive2d::createNewSdrFillAttribute(rSet))), + maFillGradientAttribute( + new drawinglayer::attribute::FillGradientAttribute( + drawinglayer::primitive2d::createNewTransparenceGradientAttribute(rSet))), + maPrimitives() + { + } + + SdrAllFillAttributesHelper::~SdrAllFillAttributesHelper() + { + } + + bool SdrAllFillAttributesHelper::isUsed() const + { + // only depends on fill, FillGradientAttribute alone defines no fill + return maFillAttribute.get() && !maFillAttribute->isDefault(); + } + + bool SdrAllFillAttributesHelper::isTransparent() const + { + if(hasSdrFillAttribute() && 0.0 != maFillAttribute->getTransparence()) + { + return true; + } + + if(hasFillGradientAttribute() && !maFillGradientAttribute->isDefault()) + { + return true; + } + + if(hasSdrFillAttribute()) + { + const Graphic& rGraphic = getFillAttribute().getFillGraphic().getFillGraphic(); + + return rGraphic.IsSupportedGraphic() && rGraphic.IsTransparent(); + } + + return false; + } + + const drawinglayer::attribute::SdrFillAttribute& SdrAllFillAttributesHelper::getFillAttribute() const + { + if(!maFillAttribute.get()) + { + const_cast< SdrAllFillAttributesHelper* >(this)->maFillAttribute.reset(new drawinglayer::attribute::SdrFillAttribute()); + } + + return *maFillAttribute.get(); + } + + const drawinglayer::attribute::FillGradientAttribute& SdrAllFillAttributesHelper::getFillGradientAttribute() const + { + if(!maFillGradientAttribute.get()) + { + const_cast< SdrAllFillAttributesHelper* >(this)->maFillGradientAttribute.reset(new drawinglayer::attribute::FillGradientAttribute()); + } + + return *maFillGradientAttribute.get(); + } + + const drawinglayer::primitive2d::Primitive2DSequence& SdrAllFillAttributesHelper::getPrimitive2DSequence( + const basegfx::B2DRange& rPaintRange, + const basegfx::B2DRange& rDefineRange) const + { + if(maPrimitives.getLength() && (maLastPaintRange != rPaintRange || maLastDefineRange != rDefineRange)) + { + const_cast< SdrAllFillAttributesHelper* >(this)->maPrimitives.realloc(0); + } + + if(!maPrimitives.getLength()) + { + const_cast< SdrAllFillAttributesHelper* >(this)->createPrimitive2DSequence(rPaintRange, rDefineRange); + } + + return maPrimitives; + } + + basegfx::BColor SdrAllFillAttributesHelper::getAverageColor(const basegfx::BColor& rFallback) const + { + basegfx::BColor aRetval(rFallback); + + if(maFillAttribute.get() && !maFillAttribute->isDefault()) + { + const drawinglayer::attribute::FillGradientAttribute& rFillGradientAttribute = maFillAttribute->getGradient(); + const drawinglayer::attribute::FillHatchAttribute& rFillHatchAttribute = maFillAttribute->getHatch(); + const drawinglayer::attribute::SdrFillGraphicAttribute& rSdrFillGraphicAttribute = maFillAttribute->getFillGraphic(); + const drawinglayer::attribute::FillGradientAttribute& rFillTransparenceGradientAttribute = getFillGradientAttribute(); + double fTransparence(maFillAttribute->getTransparence()); + + if(!rFillTransparenceGradientAttribute.isDefault()) + { + const double fTransA = rFillTransparenceGradientAttribute.getStartColor().luminance(); + const double fTransB = rFillTransparenceGradientAttribute.getEndColor().luminance(); + + fTransparence = (fTransA + fTransB) * 0.5; + } + + if(!rFillGradientAttribute.isDefault()) + { + // gradient fill + const basegfx::BColor& rStart = rFillGradientAttribute.getStartColor(); + const basegfx::BColor& rEnd = rFillGradientAttribute.getEndColor(); + + aRetval = basegfx::interpolate(rStart, rEnd, 0.5); + } + else if(!rFillHatchAttribute.isDefault()) + { + // hatch fill + const basegfx::BColor& rColor = rFillHatchAttribute.getColor(); + + if(rFillHatchAttribute.isFillBackground()) + { + const basegfx::BColor& rBackgroundColor = maFillAttribute->getColor(); + + // mix colors 50%/50% + aRetval = basegfx::interpolate(rColor, rBackgroundColor, 0.5); + } + else + { + // mix color with fallback color + aRetval = basegfx::interpolate(rColor, rFallback, 0.5); + } + } + else if(!rSdrFillGraphicAttribute.isDefault()) + { + // graphic fill + + // not used yet by purpose (see SwPageFrm::GetDrawBackgrdColor()), + // use fallback (already set) + } + else + { + // color fill + aRetval = maFillAttribute->getColor(); + } + + if(!basegfx::fTools::equalZero(fTransparence)) + { + // blend into transparency + aRetval = basegfx::interpolate(aRetval, rFallback, fTransparence); + } + } + + return aRetval.clamp(); + } + + bool SdrAllFillAttributesHelper::needCompleteRepaint() const + { + if(!isUsed() || !hasSdrFillAttribute()) + { + // not used or no fill + return false; + } + + const drawinglayer::attribute::SdrFillAttribute& rSdrFillAttribute = getFillAttribute(); + + if(!rSdrFillAttribute.getHatch().isDefault()) + { + // hatch is always top-left aligned, needs no full refreshes + return false; + } + + if(!rSdrFillAttribute.getGradient().isDefault()) + { + // gradients always scale with the object + return true; + } + + if(!rSdrFillAttribute.getFillGraphic().isDefault()) + { + // some graphic constellations may not need this, but since most do + // (stretch to fill, all but top-left aligned, ...) claim to do by default + return true; + } + + // color fill + return false; + } + } // end of namespace attribute +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |