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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/discretebitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence DiscreteBitmapPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
// use getViewTransformation() and getObjectTransformation() from
// ObjectAndViewTransformationDependentPrimitive2D to create a BitmapPrimitive2D
// with the correct mapping
Primitive2DSequence xRetval;
if(!getBitmapEx().IsEmpty())
{
// get discrete size
const Size& rSizePixel = getBitmapEx().GetSizePixel();
const basegfx::B2DVector aDiscreteSize(rSizePixel.Width(), rSizePixel.Height());
// get inverse ViewTransformation
basegfx::B2DHomMatrix aInverseViewTransformation(getViewTransformation());
aInverseViewTransformation.invert();
// get size and position in world coordinates
const basegfx::B2DVector aWorldSize(aInverseViewTransformation * aDiscreteSize);
const basegfx::B2DPoint aWorldTopLeft(getObjectTransformation() * getTopLeft());
// build object matrix in world coordinates so that the top-left
// position remains, but eventual transformations (e.g. rotations)
// in the ObjectToView stack remain and get correctly applied
basegfx::B2DHomMatrix aObjectTransform;
aObjectTransform.set(0, 0, aWorldSize.getX());
aObjectTransform.set(1, 1, aWorldSize.getY());
aObjectTransform.set(0, 2, aWorldTopLeft.getX());
aObjectTransform.set(1, 2, aWorldTopLeft.getY());
// get inverse ObjectTransformation
basegfx::B2DHomMatrix aInverseObjectTransformation(getObjectTransformation());
aInverseObjectTransformation.invert();
// transform to object coordinate system
aObjectTransform = aInverseObjectTransformation * aObjectTransform;
// create BitmapPrimitive2D with now object-local coordinate data
const Primitive2DReference xRef(new BitmapPrimitive2D(getBitmapEx(), aObjectTransform));
xRetval = Primitive2DSequence(&xRef, 1);
}
return xRetval;
}
DiscreteBitmapPrimitive2D::DiscreteBitmapPrimitive2D(
const BitmapEx& rBitmapEx,
const basegfx::B2DPoint& rTopLeft)
: ObjectAndViewTransformationDependentPrimitive2D(),
maBitmapEx(rBitmapEx),
maTopLeft(rTopLeft)
{
}
bool DiscreteBitmapPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(ObjectAndViewTransformationDependentPrimitive2D::operator==(rPrimitive))
{
const DiscreteBitmapPrimitive2D& rCompare = (DiscreteBitmapPrimitive2D&)rPrimitive;
return (getBitmapEx() == rCompare.getBitmapEx()
&& getTopLeft() == rCompare.getTopLeft());
}
return false;
}
// provide unique ID
ImplPrimitrive2DIDBlock(DiscreteBitmapPrimitive2D, PRIMITIVE2D_ID_DISCRETEBITMAPPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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