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| -rw-r--r-- | drawinglayer/source/primitive2d/wallpaperprimitive2d.cxx | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/wallpaperprimitive2d.cxx b/drawinglayer/source/primitive2d/wallpaperprimitive2d.cxx new file mode 100644 index 000000000..d8926824f --- /dev/null +++ b/drawinglayer/source/primitive2d/wallpaperprimitive2d.cxx @@ -0,0 +1,255 @@ +/* -*- 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 <primitive2d/wallpaperprimitive2d.hxx> +#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <drawinglayer/primitive2d/maskprimitive2d.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include <vcl/graph.hxx> +#include <toolkit/helper/vclunohelper.hxx> + + +namespace drawinglayer::primitive2d +{ + void WallpaperBitmapPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const + { + Primitive2DReference aRetval; + + if(!getLocalObjectRange().isEmpty() && !getBitmapEx().IsEmpty()) + { + // get bitmap PIXEL size + const Size& rPixelSize = getBitmapEx().GetSizePixel(); + + if(rPixelSize.Width() > 0 && rPixelSize.Height() > 0) + { + if(WallpaperStyle::Scale == getWallpaperStyle()) + { + // shortcut for scale; use simple BitmapPrimitive2D + basegfx::B2DHomMatrix aObjectTransform; + + aObjectTransform.set(0, 0, getLocalObjectRange().getWidth()); + aObjectTransform.set(1, 1, getLocalObjectRange().getHeight()); + aObjectTransform.set(0, 2, getLocalObjectRange().getMinX()); + aObjectTransform.set(1, 2, getLocalObjectRange().getMinY()); + + Primitive2DReference xReference( + new BitmapPrimitive2D( + VCLUnoHelper::CreateVCLXBitmap(getBitmapEx()), + aObjectTransform)); + + aRetval = xReference; + } + else + { + // transform to logic size + basegfx::B2DHomMatrix aInverseViewTransformation(getViewTransformation()); + aInverseViewTransformation.invert(); + basegfx::B2DVector aLogicSize(rPixelSize.Width(), rPixelSize.Height()); + aLogicSize = aInverseViewTransformation * aLogicSize; + + // apply layout + basegfx::B2DPoint aTargetTopLeft(getLocalObjectRange().getMinimum()); + bool bUseTargetTopLeft(true); + bool bNeedsClipping(false); + + switch(getWallpaperStyle()) + { + default: //case WallpaperStyle::Tile :, also WallpaperStyle::NONE and WallpaperStyle::ApplicationGradient + { + bUseTargetTopLeft = false; + break; + } + case WallpaperStyle::Scale : + { + // handled by shortcut above + break; + } + case WallpaperStyle::TopLeft : + { + // nothing to do + break; + } + case WallpaperStyle::Top : + { + const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); + aTargetTopLeft.setX(aCenter.getX() - (aLogicSize.getX() * 0.5)); + break; + } + case WallpaperStyle::TopRight : + { + aTargetTopLeft.setX(getLocalObjectRange().getMaxX() - aLogicSize.getX()); + break; + } + case WallpaperStyle::Left : + { + const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); + aTargetTopLeft.setY(aCenter.getY() - (aLogicSize.getY() * 0.5)); + break; + } + case WallpaperStyle::Center : + { + const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); + aTargetTopLeft = aCenter - (aLogicSize * 0.5); + break; + } + case WallpaperStyle::Right : + { + const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); + aTargetTopLeft.setX(getLocalObjectRange().getMaxX() - aLogicSize.getX()); + aTargetTopLeft.setY(aCenter.getY() - (aLogicSize.getY() * 0.5)); + break; + } + case WallpaperStyle::BottomLeft : + { + aTargetTopLeft.setY(getLocalObjectRange().getMaxY() - aLogicSize.getY()); + break; + } + case WallpaperStyle::Bottom : + { + const basegfx::B2DPoint aCenter(getLocalObjectRange().getCenter()); + aTargetTopLeft.setX(aCenter.getX() - (aLogicSize.getX() * 0.5)); + aTargetTopLeft.setY(getLocalObjectRange().getMaxY() - aLogicSize.getY()); + break; + } + case WallpaperStyle::BottomRight : + { + aTargetTopLeft = getLocalObjectRange().getMaximum() - aLogicSize; + break; + } + } + + if(bUseTargetTopLeft) + { + // fill target range + const basegfx::B2DRange aTargetRange(aTargetTopLeft, aTargetTopLeft + aLogicSize); + + // create aligned, single BitmapPrimitive2D + basegfx::B2DHomMatrix aObjectTransform; + + aObjectTransform.set(0, 0, aTargetRange.getWidth()); + aObjectTransform.set(1, 1, aTargetRange.getHeight()); + aObjectTransform.set(0, 2, aTargetRange.getMinX()); + aObjectTransform.set(1, 2, aTargetRange.getMinY()); + + Primitive2DReference xReference( + new BitmapPrimitive2D( + VCLUnoHelper::CreateVCLXBitmap(getBitmapEx()), + aObjectTransform)); + aRetval = xReference; + + // clip when not completely inside object range + bNeedsClipping = !getLocalObjectRange().isInside(aTargetRange); + } + else + { + // WallpaperStyle::Tile, WallpaperStyle::NONE, WallpaperStyle::ApplicationGradient + // convert to relative positions + const basegfx::B2DVector aRelativeSize( + aLogicSize.getX() / (getLocalObjectRange().getWidth() ? getLocalObjectRange().getWidth() : 1.0), + aLogicSize.getY() / (getLocalObjectRange().getHeight() ? getLocalObjectRange().getHeight() : 1.0)); + basegfx::B2DPoint aRelativeTopLeft(0.0, 0.0); + + if(WallpaperStyle::Tile != getWallpaperStyle()) + { + aRelativeTopLeft.setX(0.5 - aRelativeSize.getX()); + aRelativeTopLeft.setY(0.5 - aRelativeSize.getY()); + } + + // prepare FillGraphicAttribute + const attribute::FillGraphicAttribute aFillGraphicAttribute( + Graphic(getBitmapEx()), + basegfx::B2DRange(aRelativeTopLeft, aRelativeTopLeft+ aRelativeSize), + true); + + // create ObjectTransform + const basegfx::B2DHomMatrix aObjectTransform( + basegfx::utils::createScaleTranslateB2DHomMatrix( + getLocalObjectRange().getRange(), + getLocalObjectRange().getMinimum())); + + // create FillBitmapPrimitive + const drawinglayer::primitive2d::Primitive2DReference xFillBitmap( + new drawinglayer::primitive2d::FillGraphicPrimitive2D( + aObjectTransform, + aFillGraphicAttribute)); + aRetval = xFillBitmap; + + // always embed tiled fill to clipping + bNeedsClipping = true; + } + + if(bNeedsClipping) + { + // embed to clipping; this is necessary for tiled fills + const basegfx::B2DPolyPolygon aPolyPolygon( + basegfx::utils::createPolygonFromRect(getLocalObjectRange())); + const drawinglayer::primitive2d::Primitive2DReference xClippedFill( + new drawinglayer::primitive2d::MaskPrimitive2D( + aPolyPolygon, + { aRetval })); + aRetval = xClippedFill; + } + } + } + } + + if (aRetval.is()) + rContainer.push_back(aRetval); + } + + WallpaperBitmapPrimitive2D::WallpaperBitmapPrimitive2D( + const basegfx::B2DRange& rObjectRange, + const BitmapEx& rBitmapEx, + WallpaperStyle eWallpaperStyle) + : ViewTransformationDependentPrimitive2D(), + maObjectRange(rObjectRange), + maBitmapEx(rBitmapEx), + meWallpaperStyle(eWallpaperStyle) + { + } + + bool WallpaperBitmapPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(ViewTransformationDependentPrimitive2D::operator==(rPrimitive)) + { + const WallpaperBitmapPrimitive2D& rCompare = static_cast<const WallpaperBitmapPrimitive2D&>(rPrimitive); + + return (getLocalObjectRange() == rCompare.getLocalObjectRange() + && getBitmapEx() == rCompare.getBitmapEx() + && getWallpaperStyle() == rCompare.getWallpaperStyle()); + } + + return false; + } + + basegfx::B2DRange WallpaperBitmapPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + return getLocalObjectRange(); + } + + // provide unique ID + ImplPrimitive2DIDBlock(WallpaperBitmapPrimitive2D, PRIMITIVE2D_ID_WALLPAPERBITMAPPRIMITIVE2D) + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |