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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 <com/sun/star/rendering/XBitmap.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XCachedPrimitive.hpp>
#include <vcl/bitmapex.hxx>
#include <tools/gen.hxx>
#include <vcl/canvastools.hxx>
#include <canvas/canvastools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drange.hxx>
#include <sal/log.hxx>
#include "cachedprimitivebase.hxx"
#include "bitmapaction.hxx"
#include <outdevstate.hxx>
#include "mtftools.hxx"
#include <basegfx/matrix/b2dhommatrixtools.hxx>
using namespace ::com::sun::star;
namespace cppcanvas::internal
{
namespace
{
class BitmapAction : public CachedPrimitiveBase
{
public:
BitmapAction( const ::BitmapEx&,
const ::basegfx::B2DPoint& rDstPoint,
const CanvasSharedPtr&,
const OutDevState& );
BitmapAction( const ::BitmapEx&,
const ::basegfx::B2DPoint& rDstPoint,
const ::basegfx::B2DVector& rDstSize,
const CanvasSharedPtr&,
const OutDevState& );
virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const override;
virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const override;
virtual sal_Int32 getActionCount() const override;
private:
using Action::render;
virtual bool renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
const ::basegfx::B2DHomMatrix& rTransformation ) const override;
uno::Reference< rendering::XBitmap > mxBitmap;
CanvasSharedPtr mpCanvas;
rendering::RenderState maState;
};
BitmapAction::BitmapAction( const ::BitmapEx& rBmpEx,
const ::basegfx::B2DPoint& rDstPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState ) :
CachedPrimitiveBase( rCanvas, true ),
mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rBmpEx ) ),
mpCanvas( rCanvas ),
maState()
{
tools::initRenderState(maState,rState);
// Setup transformation such that the next render call is
// moved rPoint away.
const basegfx::B2DHomMatrix aLocalTransformation(basegfx::utils::createTranslateB2DHomMatrix(rDstPoint));
::canvas::tools::appendToRenderState( maState,
aLocalTransformation );
// correct clip (which is relative to original transform)
tools::modifyClip( maState,
rState,
rCanvas,
rDstPoint,
nullptr,
nullptr );
}
BitmapAction::BitmapAction( const ::BitmapEx& rBmpEx,
const ::basegfx::B2DPoint& rDstPoint,
const ::basegfx::B2DVector& rDstSize,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState ) :
CachedPrimitiveBase( rCanvas, true ),
mxBitmap( vcl::unotools::xBitmapFromBitmapEx( rBmpEx ) ),
mpCanvas( rCanvas ),
maState()
{
tools::initRenderState(maState,rState);
// Setup transformation such that the next render call is
// moved rPoint away, and scaled according to the ratio
// given by src and dst size.
const ::Size aBmpSize( rBmpEx.GetSizePixel() );
const ::basegfx::B2DVector aScale( rDstSize.getX() / aBmpSize.Width(),
rDstSize.getY() / aBmpSize.Height() );
const basegfx::B2DHomMatrix aLocalTransformation(basegfx::utils::createScaleTranslateB2DHomMatrix(
aScale, rDstPoint));
::canvas::tools::appendToRenderState( maState, aLocalTransformation );
// correct clip (which is relative to original transform)
tools::modifyClip( maState,
rState,
rCanvas,
rDstPoint,
&aScale,
nullptr );
}
bool BitmapAction::renderPrimitive( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
const ::basegfx::B2DHomMatrix& rTransformation ) const
{
SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction::renderPrimitive()" );
SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::BitmapAction: 0x" << std::hex << this );
rendering::RenderState aLocalState( maState );
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
rCachedPrimitive = mpCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
mpCanvas->getViewState(),
aLocalState );
return true;
}
bool BitmapAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const
{
// bitmap only contains a single action, fail if subset
// requests different range
if( rSubset.mnSubsetBegin != 0 ||
rSubset.mnSubsetEnd != 1 )
return false;
return CachedPrimitiveBase::render( rTransformation );
}
::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
{
rendering::RenderState aLocalState( maState );
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
const geometry::IntegerSize2D aSize( mxBitmap->getSize() );
return tools::calcDevicePixelBounds( ::basegfx::B2DRange( 0,0,
aSize.Width,
aSize.Height ),
mpCanvas->getViewState(),
aLocalState );
}
::basegfx::B2DRange BitmapAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const
{
// bitmap only contains a single action, empty bounds
// if subset requests different range
if( rSubset.mnSubsetBegin != 0 ||
rSubset.mnSubsetEnd != 1 )
return ::basegfx::B2DRange();
return getBounds( rTransformation );
}
sal_Int32 BitmapAction::getActionCount() const
{
return 1;
}
}
std::shared_ptr<Action> BitmapActionFactory::createBitmapAction( const ::BitmapEx& rBmpEx,
const ::basegfx::B2DPoint& rDstPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState )
{
return std::make_shared<BitmapAction>(rBmpEx, rDstPoint, rCanvas, rState );
}
std::shared_ptr<Action> BitmapActionFactory::createBitmapAction( const ::BitmapEx& rBmpEx,
const ::basegfx::B2DPoint& rDstPoint,
const ::basegfx::B2DVector& rDstSize,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState )
{
return std::make_shared<BitmapAction>(rBmpEx,
rDstPoint,
rDstSize,
rCanvas,
rState );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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