office-gobmx/drawinglayer/source/primitive2d/wallpaperprimitive2d.cxx
Noel Grandin 21dbf18064 clang-tidy:readability-redundant-member-init
Change-Id: I95918275653714577e2d6728dd3947c7fbb66d8f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/121360
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-08-31 14:30:43 +02:00

257 lines
12 KiB
C++

/* -*- 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)
: 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
sal_uInt32 WallpaperBitmapPrimitive2D::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_WALLPAPERBITMAPPRIMITIVE2D;
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */