office-gobmx/cppcanvas/source/uno/uno_mtfrenderer.cxx
Noel Grandin 0c50bf65ef use comphelper::WeakComponentImplHelper in MtfRenderer
Change-Id: I54812a5db5d69a158b93ea1b89db47eb6f996ba7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127523
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-12-27 07:35:06 +01:00

85 lines
3 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/.
*/
#include <cppcanvas/vclfactory.hxx>
#include <o3tl/any.hxx>
#include <com/sun/star/rendering/XMtfRenderer.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/beans/XFastPropertySet.hpp>
#include <comphelper/compbase.hxx>
#include <vcl/gdimtf.hxx>
using namespace ::com::sun::star;
typedef comphelper::WeakComponentImplHelper<css::rendering::XMtfRenderer, css::beans::XFastPropertySet> MtfRendererBase;
namespace {
class MtfRenderer : public MtfRendererBase
{
public:
MtfRenderer (css::uno::Sequence<css::uno::Any> const& args,
css::uno::Reference<css::uno::XComponentContext> const&);
// XMtfRenderer iface
void SAL_CALL setMetafile (const css::uno::Sequence< sal_Int8 >& rMtf) override;
void SAL_CALL draw (double fScaleX, double fScaleY) override;
// XFastPropertySet
// setFastPropertyValue (0, GDIMetaFile*) is used to speedup the rendering
virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 /*nHandle*/) override { return css::uno::Any(); }
virtual void SAL_CALL setFastPropertyValue(sal_Int32 nHandle, const css::uno::Any&) override;
private:
GDIMetaFile* mpMetafile;
css::uno::Reference<css::rendering::XBitmapCanvas> mxCanvas;
};
void MtfRenderer::setMetafile (const uno::Sequence< sal_Int8 >& /*rMtf*/)
{
// printf ("MtfRenderer::setMetafile unimplemented, use fast property set or implement me\n");
}
void MtfRenderer::draw (double fScaleX, double fScaleY)
{
if (mpMetafile && mxCanvas) {
cppcanvas::BitmapCanvasSharedPtr canvas = cppcanvas::VCLFactory::createBitmapCanvas (mxCanvas);
cppcanvas::RendererSharedPtr renderer = cppcanvas::VCLFactory::createRenderer (canvas, *mpMetafile, cppcanvas::Renderer::Parameters ());
::basegfx::B2DHomMatrix aMatrix;
aMatrix.scale( fScaleX, fScaleY );
canvas->setTransformation( aMatrix );
renderer->draw ();
}
}
void MtfRenderer::setFastPropertyValue( sal_Int32 nHandle, const uno::Any& aAny)
{
if (nHandle == 0) {
mpMetafile = reinterpret_cast<GDIMetaFile*>( *o3tl::doAccess<sal_Int64>(aAny) );
}
}
MtfRenderer::MtfRenderer (uno::Sequence<uno::Any> const& aArgs, uno::Reference<uno::XComponentContext> const&) : mpMetafile (nullptr)
{
if( aArgs.getLength() == 1 ) {
aArgs[0] >>= mxCanvas;
}
}
} // namespace
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_rendering_MtfRenderer_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
{
return cppu::acquire(new MtfRenderer(args, context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */