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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 <sal/config.h>
#include <limits>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <basegfx/utils/tools.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <rtl/math.hxx>
#include <canvas/canvastools.hxx>
#include <canvas/parametricpolypolygon.hxx>
using namespace ::com::sun::star;
namespace canvas
{
uno::Sequence<OUString> ParametricPolyPolygon::getAvailableServiceNames()
{
return {"LinearGradient",
"EllipticalGradient",
"RectangularGradient"};
}
ParametricPolyPolygon* ParametricPolyPolygon::create(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const OUString& rServiceName,
const uno::Sequence< uno::Any >& rArgs )
{
uno::Sequence< uno::Sequence< double > > colorSequence(2);
uno::Sequence< double > colorStops(2);
double fAspectRatio=1.0;
// defaults
uno::Sequence< rendering::RGBColor > rgbColors(1);
rgbColors[0] = rendering::RGBColor(0,0,0);
colorSequence[0] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
rgbColors[0] = rendering::RGBColor(1,1,1);
colorSequence[1] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
colorStops[0] = 0;
colorStops[1] = 1;
// extract args
for( sal_Int32 i=0; i<rArgs.getLength(); ++i )
{
beans::PropertyValue aProp;
if( rArgs[i] >>= aProp )
{
if ( aProp.Name == "Colors" )
{
aProp.Value >>= colorSequence;
}
else if ( aProp.Name == "Stops" )
{
aProp.Value >>= colorStops;
}
else if ( aProp.Name == "AspectRatio" )
{
aProp.Value >>= fAspectRatio;
}
}
}
if ( rServiceName == "LinearGradient" )
{
return createLinearHorizontalGradient(rDevice, colorSequence, colorStops);
}
else if ( rServiceName == "EllipticalGradient" )
{
return createEllipticalGradient(rDevice, colorSequence, colorStops, fAspectRatio);
}
else if ( rServiceName == "RectangularGradient" )
{
return createRectangularGradient(rDevice, colorSequence, colorStops, fAspectRatio);
}
else if ( rServiceName == "VerticalLineHatch" )
{
// TODO: NYI
}
else if ( rServiceName == "OrthogonalLinesHatch" )
{
// TODO: NYI
}
else if ( rServiceName == "ThreeCrossingLinesHatch" )
{
// TODO: NYI
}
else if ( rServiceName == "FourCrossingLinesHatch" )
{
// TODO: NYI
}
return nullptr;
}
ParametricPolyPolygon* ParametricPolyPolygon::createLinearHorizontalGradient(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops )
{
// TODO(P2): hold gradient brush statically, and only setup
// the colors
return new ParametricPolyPolygon( rDevice, GradientType::Linear, colors, stops );
}
ParametricPolyPolygon* ParametricPolyPolygon::createEllipticalGradient(
const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops,
double fAspectRatio )
{
// TODO(P2): hold gradient polygon statically, and only setup
// the colors
return new ParametricPolyPolygon(
rDevice,
::basegfx::utils::createPolygonFromCircle(
::basegfx::B2DPoint(0,0), 1 ),
GradientType::Elliptical,
colors, stops, fAspectRatio );
}
ParametricPolyPolygon* ParametricPolyPolygon::createRectangularGradient( const uno::Reference< rendering::XGraphicDevice >& rDevice,
const uno::Sequence< uno::Sequence< double > >& colors,
const uno::Sequence< double >& stops,
double fAspectRatio )
{
// TODO(P2): hold gradient polygon statically, and only setup
// the colors
return new ParametricPolyPolygon(
rDevice,
::basegfx::utils::createPolygonFromRect(
::basegfx::B2DRectangle( -1, -1, 1, 1 ) ),
GradientType::Rectangular,
colors, stops, fAspectRatio );
}
void SAL_CALL ParametricPolyPolygon::disposing()
{
::osl::MutexGuard aGuard( m_aMutex );
mxDevice.clear();
}
uno::Reference< rendering::XPolyPolygon2D > SAL_CALL ParametricPolyPolygon::getOutline( double /*t*/ )
{
// TODO(F1): outline NYI
return uno::Reference< rendering::XPolyPolygon2D >();
}
uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getColor( double /*t*/ )
{
// TODO(F1): color NYI
return uno::Sequence< double >();
}
uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getPointColor( const geometry::RealPoint2D& /*point*/ )
{
// TODO(F1): point color NYI
return uno::Sequence< double >();
}
uno::Reference< rendering::XColorSpace > SAL_CALL ParametricPolyPolygon::getColorSpace()
{
::osl::MutexGuard aGuard( m_aMutex );
return mxDevice.is() ? mxDevice->getDeviceColorSpace() : uno::Reference< rendering::XColorSpace >();
}
OUString SAL_CALL ParametricPolyPolygon::getImplementationName( )
{
return OUString( "Canvas::ParametricPolyPolygon" );
}
sal_Bool SAL_CALL ParametricPolyPolygon::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL ParametricPolyPolygon::getSupportedServiceNames( )
{
return { "com.sun.star.rendering.ParametricPolyPolygon" };
}
ParametricPolyPolygon::~ParametricPolyPolygon()
{
}
ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
const ::basegfx::B2DPolygon& rGradientPoly,
GradientType eType,
const uno::Sequence< uno::Sequence< double > >& rColors,
const uno::Sequence< double >& rStops,
double nAspectRatio ) :
ParametricPolyPolygon_Base( m_aMutex ),
mxDevice( rDevice ),
maValues( rGradientPoly,
rColors,
rStops,
nAspectRatio,
eType )
{
}
ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
GradientType eType,
const uno::Sequence< uno::Sequence< double > >& rColors,
const uno::Sequence< double >& rStops ) :
ParametricPolyPolygon_Base( m_aMutex ),
mxDevice( rDevice ),
maValues( ::basegfx::B2DPolygon(),
rColors,
rStops,
1.0,
eType )
{
}
ParametricPolyPolygon::Values ParametricPolyPolygon::getValues() const
{
::osl::MutexGuard aGuard( m_aMutex );
return maValues;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
