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/* -*- 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 <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <wmfemfhelper.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <vcl/canvastools.hxx>
using namespace com::sun::star;
namespace drawinglayer::primitive2d
{
void MetafilePrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
{
// Interpret the Metafile and get the content. There should be only one target, as in the start condition,
// but iterating will be the right thing to do when some push/pop is not closed
Primitive2DContainer xRetval(wmfemfhelper::interpretMetafile(getMetaFile(), rViewInformation));
if(!xRetval.empty())
{
// get target size
const ::tools::Rectangle aMtfTarget(getMetaFile().GetPrefMapMode().GetOrigin(), getMetaFile().GetPrefSize());
const basegfx::B2DRange aMtfRange(vcl::unotools::b2DRectangleFromRectangle(aMtfTarget));
// tdf#113197 get content range and check if we have an overlap with
// defined target range (aMtfRange)
if (!aMtfRange.isEmpty())
{
const basegfx::B2DRange aContentRange(xRetval.getB2DRange(rViewInformation));
// also test equal since isInside gives also true for equal
if (!aMtfRange.equal(aContentRange) && !aMtfRange.isInside(aContentRange))
{
// contentRange is partly larger than aMtfRange (stuff sticks
// outside), clipping is needed
const drawinglayer::primitive2d::Primitive2DReference xMask(
new drawinglayer::primitive2d::MaskPrimitive2D(
basegfx::B2DPolyPolygon(
basegfx::utils::createPolygonFromRect(
aMtfRange)),
xRetval));
xRetval = drawinglayer::primitive2d::Primitive2DContainer{ xMask };
}
}
// create transformation
basegfx::B2DHomMatrix aAdaptedTransform;
aAdaptedTransform.translate(-aMtfTarget.Left(), -aMtfTarget.Top());
aAdaptedTransform.scale(
aMtfTarget.getWidth() ? 1.0 / aMtfTarget.getWidth() : 1.0,
aMtfTarget.getHeight() ? 1.0 / aMtfTarget.getHeight() : 1.0);
aAdaptedTransform = getTransform() * aAdaptedTransform;
// embed to target transformation
const Primitive2DReference aEmbeddedTransform(
new TransformPrimitive2D(
aAdaptedTransform,
xRetval));
xRetval = Primitive2DContainer { aEmbeddedTransform };
}
rContainer.insert(rContainer.end(), xRetval.begin(), xRetval.end());
}
MetafilePrimitive2D::MetafilePrimitive2D(
const basegfx::B2DHomMatrix& rMetaFileTransform,
const GDIMetaFile& rMetaFile)
: BufferedDecompositionPrimitive2D(),
maMetaFileTransform(rMetaFileTransform),
maMetaFile(rMetaFile)
{
}
bool MetafilePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const MetafilePrimitive2D& rCompare = static_cast<const MetafilePrimitive2D&>(rPrimitive);
return (getTransform() == rCompare.getTransform()
&& getMetaFile() == rCompare.getMetaFile());
}
return false;
}
basegfx::B2DRange MetafilePrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
// use own implementation to quickly answer the getB2DRange question. The
// MetafilePrimitive2D assumes that all geometry is inside of the shape. If
// this is not the case (i have already seen some wrong Metafiles) it should
// be embedded to a MaskPrimitive2D
basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
aRetval.transform(getTransform());
return aRetval;
}
// from MetafileAccessor
void MetafilePrimitive2D::accessMetafile(GDIMetaFile& rTargetMetafile) const
{
rTargetMetafile = maMetaFile;
}
// provide unique ID
ImplPrimitive2DIDBlock(MetafilePrimitive2D, PRIMITIVE2D_ID_METAFILEPRIMITIVE2D)
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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