office-gobmx/canvas/source/tools/canvastools.cxx
Xisco Fauli d991795635 canvas: simplify calcTransformedRectBounds
Change-Id: Ia0314a985ae2183727587ad254faec12ee49b66c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176769
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
2024-11-19 16:14:13 +01:00

1224 lines
56 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/.
*
* 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/matrix/b2dhommatrixtools.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/range/b2irange.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/XWindow2.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/geometry/AffineMatrix2D.hpp>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/ColorComponentTag.hpp>
#include <com/sun/star/rendering/ColorSpaceType.hpp>
#include <com/sun/star/rendering/CompositeOperation.hpp>
#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
#include <com/sun/star/rendering/RenderState.hpp>
#include <com/sun/star/rendering/RenderingIntent.hpp>
#include <com/sun/star/rendering/ViewState.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XColorSpace.hpp>
#include <com/sun/star/rendering/XIntegerBitmapColorSpace.hpp>
#include <com/sun/star/util/Endianness.hpp>
#include <cppuhelper/implbase.hxx>
#include <sal/log.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <vcl/canvastools.hxx>
#include <vcl/window.hxx>
#include <canvas/canvastools.hxx>
using namespace ::com::sun::star;
namespace canvas::tools
{
geometry::RealSize2D createInfiniteSize2D()
{
return geometry::RealSize2D(
std::numeric_limits<double>::infinity(),
std::numeric_limits<double>::infinity() );
}
rendering::RenderState& initRenderState( rendering::RenderState& renderState )
{
// setup identity transform
setIdentityAffineMatrix2D( renderState.AffineTransform );
renderState.Clip.clear();
renderState.DeviceColor = uno::Sequence< double >();
renderState.CompositeOperation = rendering::CompositeOperation::OVER;
return renderState;
}
rendering::ViewState& initViewState( rendering::ViewState& viewState )
{
// setup identity transform
setIdentityAffineMatrix2D( viewState.AffineTransform );
viewState.Clip.clear();
return viewState;
}
::basegfx::B2DHomMatrix getViewStateTransform( const rendering::ViewState& viewState )
{
::basegfx::B2DHomMatrix aTransform;
return ::basegfx::unotools::homMatrixFromAffineMatrix( aTransform, viewState.AffineTransform );
}
rendering::ViewState& setViewStateTransform( rendering::ViewState& viewState,
const ::basegfx::B2DHomMatrix& transform )
{
::basegfx::unotools::affineMatrixFromHomMatrix( viewState.AffineTransform, transform );
return viewState;
}
::basegfx::B2DHomMatrix getRenderStateTransform( const rendering::RenderState& renderState )
{
::basegfx::B2DHomMatrix aTransform;
return ::basegfx::unotools::homMatrixFromAffineMatrix( aTransform, renderState.AffineTransform );
}
rendering::RenderState& setRenderStateTransform( rendering::RenderState& renderState,
const ::basegfx::B2DHomMatrix& transform )
{
::basegfx::unotools::affineMatrixFromHomMatrix( renderState.AffineTransform, transform );
return renderState;
}
rendering::RenderState& appendToRenderState( rendering::RenderState& renderState,
const ::basegfx::B2DHomMatrix& rTransform )
{
::basegfx::B2DHomMatrix transform = getRenderStateTransform( renderState );
return setRenderStateTransform( renderState, transform * rTransform );
}
rendering::RenderState& prependToRenderState( rendering::RenderState& renderState,
const ::basegfx::B2DHomMatrix& rTransform )
{
::basegfx::B2DHomMatrix transform = getRenderStateTransform( renderState );
return setRenderStateTransform( renderState, rTransform * transform );
}
::basegfx::B2DHomMatrix& mergeViewAndRenderTransform( ::basegfx::B2DHomMatrix& combinedTransform,
const rendering::ViewState& viewState,
const rendering::RenderState& renderState )
{
::basegfx::B2DHomMatrix viewTransform;
::basegfx::unotools::homMatrixFromAffineMatrix( combinedTransform, renderState.AffineTransform );
::basegfx::unotools::homMatrixFromAffineMatrix( viewTransform, viewState.AffineTransform );
// this statement performs combinedTransform = viewTransform * combinedTransform
combinedTransform *= viewTransform;
return combinedTransform;
}
geometry::AffineMatrix2D& setIdentityAffineMatrix2D( geometry::AffineMatrix2D& matrix )
{
matrix.m00 = 1.0;
matrix.m01 = 0.0;
matrix.m02 = 0.0;
matrix.m10 = 0.0;
matrix.m11 = 1.0;
matrix.m12 = 0.0;
return matrix;
}
geometry::Matrix2D& setIdentityMatrix2D( geometry::Matrix2D& matrix )
{
matrix.m00 = 1.0;
matrix.m01 = 0.0;
matrix.m10 = 0.0;
matrix.m11 = 1.0;
return matrix;
}
namespace
{
class StandardColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
{
private:
uno::Sequence< sal_Int8 > maComponentTags;
uno::Sequence< sal_Int32 > maBitCounts;
virtual ::sal_Int8 SAL_CALL getType( ) override
{
return rendering::ColorSpaceType::RGB;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
{
return maComponentTags;
}
virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
{
return rendering::RenderingIntent::PERCEPTUAL;
}
virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
{
return uno::Sequence< beans::PropertyValue >();
}
virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertToARGB(deviceColor));
return targetColorSpace->convertFromARGB(aIntermediate);
}
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
rendering::RGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::RGBColor(deviceColor[i], deviceColor[i+1], deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
{
SAL_WARN_IF(!deviceColor.hasElements(), "canvas", "empty deviceColor argument");
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(deviceColor[i+3], deviceColor[i], deviceColor[i+1], deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(deviceColor[i+3],
deviceColor[i+3] * deviceColor[i],
deviceColor[i+3] * deviceColor[i+1],
deviceColor[i+3] * deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red;
*pColors++ = color.Green;
*pColors++ = color.Blue;
*pColors++ = 1.0;
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red;
*pColors++ = color.Green;
*pColors++ = color.Blue;
*pColors++ = color.Alpha;
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red / color.Alpha;
*pColors++ = color.Green / color.Alpha;
*pColors++ = color.Blue / color.Alpha;
*pColors++ = color.Alpha;
}
return aRes;
}
// XIntegerBitmapColorSpace
virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
{
return 32;
}
virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
{
return maBitCounts;
}
virtual ::sal_Int8 SAL_CALL getEndianness( ) override
{
return util::Endianness::LITTLE;
}
virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
{
if( dynamic_cast<StandardColorSpace*>(targetColorSpace.get()) )
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence<double> aRes(nLen);
std::transform(deviceColor.begin(), deviceColor.end(), aRes.getArray(),
[](auto c) { return vcl::unotools::toDoubleColor(c); });
return aRes;
}
else
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertIntegerToARGB(deviceColor));
return targetColorSpace->convertFromARGB(aIntermediate);
}
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
{
if( dynamic_cast<StandardColorSpace*>(targetColorSpace.get()) )
{
// it's us, so simply pass-through the data
return deviceColor;
}
else
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertIntegerToARGB(deviceColor));
return targetColorSpace->convertIntegerFromARGB(aIntermediate);
}
}
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
rendering::RGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::RGBColor(
vcl::unotools::toDoubleColor(deviceColor[i]),
vcl::unotools::toDoubleColor(deviceColor[i+1]),
vcl::unotools::toDoubleColor(deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(
vcl::unotools::toDoubleColor(deviceColor[i+3]),
vcl::unotools::toDoubleColor(deviceColor[i]),
vcl::unotools::toDoubleColor(deviceColor[i+1]),
vcl::unotools::toDoubleColor(deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
const sal_Int8 nAlpha(deviceColor[i+3]);
*pOut++ = rendering::ARGBColor(
vcl::unotools::toDoubleColor(nAlpha),
vcl::unotools::toDoubleColor(nAlpha * deviceColor[i]),
vcl::unotools::toDoubleColor(nAlpha * deviceColor[i+1]),
vcl::unotools::toDoubleColor(nAlpha * deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red);
*pColors++ = vcl::unotools::toByteColor(color.Green);
*pColors++ = vcl::unotools::toByteColor(color.Blue);
*pColors++ = 0;
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red);
*pColors++ = vcl::unotools::toByteColor(color.Green);
*pColors++ = vcl::unotools::toByteColor(color.Blue);
*pColors++ = vcl::unotools::toByteColor(color.Alpha);
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red / color.Alpha);
*pColors++ = vcl::unotools::toByteColor(color.Green / color.Alpha);
*pColors++ = vcl::unotools::toByteColor(color.Blue / color.Alpha);
*pColors++ = vcl::unotools::toByteColor(color.Alpha);
}
return aRes;
}
public:
StandardColorSpace() :
maComponentTags(4),
maBitCounts(4)
{
sal_Int8* pTags = maComponentTags.getArray();
sal_Int32* pBitCounts = maBitCounts.getArray();
pTags[0] = rendering::ColorComponentTag::RGB_RED;
pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
pTags[3] = rendering::ColorComponentTag::ALPHA;
pBitCounts[0] =
pBitCounts[1] =
pBitCounts[2] =
pBitCounts[3] = 8;
}
};
class StandardNoAlphaColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
{
private:
uno::Sequence< sal_Int8 > maComponentTags;
uno::Sequence< sal_Int32 > maBitCounts;
virtual ::sal_Int8 SAL_CALL getType( ) override
{
return rendering::ColorSpaceType::RGB;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
{
return maComponentTags;
}
virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
{
return rendering::RenderingIntent::PERCEPTUAL;
}
virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
{
return uno::Sequence< beans::PropertyValue >();
}
virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertToARGB(deviceColor));
return targetColorSpace->convertFromARGB(aIntermediate);
}
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
rendering::RGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::RGBColor(deviceColor[i], deviceColor[i+1], deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(1.0, deviceColor[i], deviceColor[i+1], deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(1.0, deviceColor[i], deviceColor[i+1], deviceColor[i+2]);
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red;
*pColors++ = color.Green;
*pColors++ = color.Blue;
*pColors++ = 1.0; // the value does not matter
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red;
*pColors++ = color.Green;
*pColors++ = color.Blue;
*pColors++ = 1.0; // the value does not matter
}
return aRes;
}
virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<double> aRes(rgbColor.getLength() * 4);
double* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = color.Red / color.Alpha;
*pColors++ = color.Green / color.Alpha;
*pColors++ = color.Blue / color.Alpha;
*pColors++ = 1.0; // the value does not matter
}
return aRes;
}
// XIntegerBitmapColorSpace
virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
{
return 32;
}
virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
{
return maBitCounts;
}
virtual ::sal_Int8 SAL_CALL getEndianness( ) override
{
return util::Endianness::LITTLE;
}
virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
{
if( dynamic_cast<StandardNoAlphaColorSpace*>(targetColorSpace.get()) )
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence<double> aRes(nLen);
double* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = vcl::unotools::toDoubleColor(deviceColor[i]);
*pOut++ = vcl::unotools::toDoubleColor(deviceColor[i+1]);
*pOut++ = vcl::unotools::toDoubleColor(deviceColor[i+2]);
*pOut++ = 1.0;
}
return aRes;
}
else
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertIntegerToARGB(deviceColor));
return targetColorSpace->convertFromARGB(aIntermediate);
}
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) override
{
if( dynamic_cast<StandardNoAlphaColorSpace*>(targetColorSpace.get()) )
{
// it's us, so simply pass-through the data
return deviceColor;
}
else
{
// TODO(P3): if we know anything about target
// colorspace, this can be greatly sped up
uno::Sequence<rendering::ARGBColor> aIntermediate(
convertIntegerToARGB(deviceColor));
return targetColorSpace->convertIntegerFromARGB(aIntermediate);
}
}
virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::RGBColor > aRes(nLen/4);
rendering::RGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::RGBColor(
vcl::unotools::toDoubleColor(deviceColor[i]),
vcl::unotools::toDoubleColor(deviceColor[i+1]),
vcl::unotools::toDoubleColor(deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(
1.0,
vcl::unotools::toDoubleColor(deviceColor[i]),
vcl::unotools::toDoubleColor(deviceColor[i+1]),
vcl::unotools::toDoubleColor(deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) override
{
const sal_Int32 nLen(deviceColor.getLength());
ENSURE_ARG_OR_THROW2(nLen%4==0,
"number of channels no multiple of 4",
static_cast<rendering::XColorSpace*>(this), 0);
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
rendering::ARGBColor* pOut( aRes.getArray() );
for (sal_Int32 i = 0; i < nLen; i += 4)
{
*pOut++ = rendering::ARGBColor(
1.0,
vcl::unotools::toDoubleColor(deviceColor[i]),
vcl::unotools::toDoubleColor(deviceColor[i+1]),
vcl::unotools::toDoubleColor(deviceColor[i+2]));
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red);
*pColors++ = vcl::unotools::toByteColor(color.Green);
*pColors++ = vcl::unotools::toByteColor(color.Blue);
*pColors++ = 1.0;
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red);
*pColors++ = vcl::unotools::toByteColor(color.Green);
*pColors++ = vcl::unotools::toByteColor(color.Blue);
*pColors++ = -1;
}
return aRes;
}
virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
{
uno::Sequence<sal_Int8> aRes(rgbColor.getLength() * 4);
sal_Int8* pColors=aRes.getArray();
for (auto& color : rgbColor)
{
*pColors++ = vcl::unotools::toByteColor(color.Red / color.Alpha);
*pColors++ = vcl::unotools::toByteColor(color.Green / color.Alpha);
*pColors++ = vcl::unotools::toByteColor(color.Blue / color.Alpha);
*pColors++ = -1;
}
return aRes;
}
public:
StandardNoAlphaColorSpace() :
maComponentTags(3),
maBitCounts(3)
{
sal_Int8* pTags = maComponentTags.getArray();
sal_Int32* pBitCounts = maBitCounts.getArray();
pTags[0] = rendering::ColorComponentTag::RGB_RED;
pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
pBitCounts[0] =
pBitCounts[1] =
pBitCounts[2] = 8;
}
};
}
uno::Reference<rendering::XIntegerBitmapColorSpace> const & getStdColorSpace()
{
static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new StandardColorSpace();
return SPACE;
}
uno::Reference<rendering::XIntegerBitmapColorSpace> const & getStdColorSpaceWithoutAlpha()
{
static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new StandardNoAlphaColorSpace();
return SPACE;
}
rendering::IntegerBitmapLayout getStdMemoryLayout( const geometry::IntegerSize2D& rBmpSize )
{
rendering::IntegerBitmapLayout aLayout;
aLayout.ScanLines = rBmpSize.Height;
aLayout.ScanLineBytes = rBmpSize.Width*4;
aLayout.ScanLineStride = aLayout.ScanLineBytes;
aLayout.PlaneStride = 0;
aLayout.ColorSpace = getStdColorSpace();
aLayout.Palette.clear();
aLayout.IsMsbFirst = false;
return aLayout;
}
uno::Sequence<sal_Int8> colorToStdIntSequence( const ::Color& rColor )
{
uno::Sequence<sal_Int8> aRet(4);
sal_Int8* pCols( aRet.getArray() );
#ifdef OSL_BIGENDIAN
pCols[0] = rColor.GetRed();
pCols[1] = rColor.GetGreen();
pCols[2] = rColor.GetBlue();
pCols[3] = rColor.GetAlpha();
#else
*reinterpret_cast<sal_Int32*>(pCols) = sal_Int32(rColor);
#endif
return aRet;
}
// Create a corrected view transformation out of the give one,
// which ensures that the rectangle given by (0,0) and
// rSpriteSize is mapped with its left,top corner to (0,0)
// again. This is required to properly render sprite
// animations to buffer bitmaps.
::basegfx::B2DHomMatrix calcRectToOriginTransform( const ::basegfx::B2DRange& i_srcRect,
const ::basegfx::B2DHomMatrix& i_transformation )
{
::basegfx::B2DHomMatrix o_transform;
if( i_srcRect.isEmpty() )
{
o_transform = i_transformation;
return o_transform;
}
// transform by given transformation
::basegfx::B2DRectangle aTransformedRect = calcTransformedRectBounds(
i_srcRect,
i_transformation );
// now move resulting left,top point of bounds to (0,0)
const basegfx::B2DHomMatrix aCorrectedTransform(basegfx::utils::createTranslateB2DHomMatrix(
-aTransformedRect.getMinX(), -aTransformedRect.getMinY()));
// prepend to original transformation
o_transform = aCorrectedTransform * i_transformation;
return o_transform;
}
::basegfx::B2DRange calcTransformedRectBounds( const ::basegfx::B2DRange& inRect,
const ::basegfx::B2DHomMatrix& transformation )
{
::basegfx::B2DRange outRect;
if( inRect.isEmpty() )
return outRect;
// transform all four extremal points of the rectangle,
// take bounding rect of those.
// transform left-top point
outRect.expand( transformation * inRect.getMinimum() );
// transform bottom-right point
outRect.expand( transformation * inRect.getMaximum() );
::basegfx::B2DPoint aPoint;
// transform top-right point
aPoint.setX( inRect.getMaxX() );
aPoint.setY( inRect.getMinY() );
aPoint *= transformation;
outRect.expand( aPoint );
// transform bottom-left point
aPoint.setX( inRect.getMinX() );
aPoint.setY( inRect.getMaxY() );
aPoint *= transformation;
outRect.expand( aPoint );
// over and out.
return outRect;
}
bool isInside( const ::basegfx::B2DRange& rContainedRect,
const ::basegfx::B2DRange& rTransformRect,
const ::basegfx::B2DHomMatrix& rTransformation )
{
if( rContainedRect.isEmpty() || rTransformRect.isEmpty() )
return false;
::basegfx::B2DPolygon aPoly(
::basegfx::utils::createPolygonFromRect( rTransformRect ) );
aPoly.transform( rTransformation );
return ::basegfx::utils::isInside( aPoly,
::basegfx::utils::createPolygonFromRect(
rContainedRect ),
true );
}
namespace
{
bool clipAreaImpl( ::basegfx::B2IRange* o_pDestArea,
::basegfx::B2IRange& io_rSourceArea,
::basegfx::B2IPoint& io_rDestPoint,
const ::basegfx::B2IRange& rSourceBounds,
const ::basegfx::B2IRange& rDestBounds )
{
const ::basegfx::B2IPoint aSourceTopLeft(
io_rSourceArea.getMinimum() );
::basegfx::B2IRange aLocalSourceArea( io_rSourceArea );
// clip source area (which must be inside rSourceBounds)
aLocalSourceArea.intersect( rSourceBounds );
if( aLocalSourceArea.isEmpty() )
return false;
// calc relative new source area points (relative to orig
// source area)
const ::basegfx::B2IVector aUpperLeftOffset(
aLocalSourceArea.getMinimum()-aSourceTopLeft );
const ::basegfx::B2IVector aLowerRightOffset(
aLocalSourceArea.getMaximum()-aSourceTopLeft );
::basegfx::B2IRange aLocalDestArea( io_rDestPoint + aUpperLeftOffset,
io_rDestPoint + aLowerRightOffset );
// clip dest area (which must be inside rDestBounds)
aLocalDestArea.intersect( rDestBounds );
if( aLocalDestArea.isEmpty() )
return false;
// calc relative new dest area points (relative to orig
// source area)
const ::basegfx::B2IVector aDestUpperLeftOffset(
aLocalDestArea.getMinimum()-io_rDestPoint );
const ::basegfx::B2IVector aDestLowerRightOffset(
aLocalDestArea.getMaximum()-io_rDestPoint );
io_rSourceArea = ::basegfx::B2IRange( aSourceTopLeft + aDestUpperLeftOffset,
aSourceTopLeft + aDestLowerRightOffset );
io_rDestPoint = aLocalDestArea.getMinimum();
if( o_pDestArea )
*o_pDestArea = aLocalDestArea;
return true;
}
}
bool clipScrollArea( ::basegfx::B2IRange& io_rSourceArea,
::basegfx::B2IPoint& io_rDestPoint,
std::vector< ::basegfx::B2IRange >& o_ClippedAreas,
const ::basegfx::B2IRange& rBounds )
{
::basegfx::B2IRange aResultingDestArea;
// compute full destination area (to determine uninitialized
// areas below)
const ::basegfx::B2I64Tuple aRange( io_rSourceArea.getRange() );
::basegfx::B2IRange aInputDestArea( io_rDestPoint.getX(),
io_rDestPoint.getY(),
(io_rDestPoint.getX()
+ static_cast<sal_Int32>(aRange.getX())),
(io_rDestPoint.getY()
+ static_cast<sal_Int32>(aRange.getY())) );
// limit to output area (no point updating outside of it)
aInputDestArea.intersect( rBounds );
// clip to rBounds
if( !clipAreaImpl( &aResultingDestArea,
io_rSourceArea,
io_rDestPoint,
rBounds,
rBounds ) )
return false;
// finally, compute all areas clipped off the total
// destination area.
::basegfx::computeSetDifference( o_ClippedAreas,
aInputDestArea,
aResultingDestArea );
return true;
}
::basegfx::B2IRange spritePixelAreaFromB2DRange( const ::basegfx::B2DRange& rRange )
{
if( rRange.isEmpty() )
return ::basegfx::B2IRange();
const ::basegfx::B2IPoint aTopLeft( ::basegfx::fround( rRange.getMinX() ),
::basegfx::fround( rRange.getMinY() ) );
return ::basegfx::B2IRange( aTopLeft,
aTopLeft + ::basegfx::B2IPoint(
::basegfx::fround( rRange.getWidth() ),
::basegfx::fround( rRange.getHeight() ) ) );
}
uno::Sequence< uno::Any >& getDeviceInfo( const uno::Reference< rendering::XCanvas >& i_rxCanvas,
uno::Sequence< uno::Any >& o_rxParams )
{
o_rxParams.realloc( 0 );
if( !i_rxCanvas.is() )
return o_rxParams;
try
{
uno::Reference< rendering::XGraphicDevice > xDevice( i_rxCanvas->getDevice(),
uno::UNO_SET_THROW );
uno::Reference< lang::XServiceInfo > xServiceInfo( xDevice,
uno::UNO_QUERY_THROW );
uno::Reference< beans::XPropertySet > xPropSet( xDevice,
uno::UNO_QUERY_THROW );
o_rxParams = { uno::Any(xServiceInfo->getImplementationName()),
xPropSet->getPropertyValue( u"DeviceHandle"_ustr ) };
}
catch( const uno::Exception& )
{
// ignore, but return empty sequence
}
return o_rxParams;
}
awt::Rectangle getAbsoluteWindowRect( const awt::Rectangle& rRect,
const uno::Reference< awt::XWindow2 >& xWin )
{
awt::Rectangle aRetVal( rRect );
VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWin);
if( pWindow )
{
::Point aPoint( aRetVal.X,
aRetVal.Y );
aPoint = pWindow->OutputToScreenPixel( aPoint );
aRetVal.X = aPoint.X();
aRetVal.Y = aPoint.Y();
}
return aRetVal;
}
::basegfx::B2DPolyPolygon getBoundMarksPolyPolygon( const ::basegfx::B2DRange& rRange )
{
::basegfx::B2DPolyPolygon aPolyPoly;
::basegfx::B2DPolygon aPoly;
const double nX0( rRange.getMinX() );
const double nY0( rRange.getMinY() );
const double nX1( rRange.getMaxX() );
const double nY1( rRange.getMaxY() );
aPoly.append( ::basegfx::B2DPoint( nX0+4,
nY0 ) );
aPoly.append( ::basegfx::B2DPoint( nX0,
nY0 ) );
aPoly.append( ::basegfx::B2DPoint( nX0,
nY0+4 ) );
aPolyPoly.append( aPoly ); aPoly.clear();
aPoly.append( ::basegfx::B2DPoint( nX1-4,
nY0 ) );
aPoly.append( ::basegfx::B2DPoint( nX1,
nY0 ) );
aPoly.append( ::basegfx::B2DPoint( nX1,
nY0+4 ) );
aPolyPoly.append( aPoly ); aPoly.clear();
aPoly.append( ::basegfx::B2DPoint( nX0+4,
nY1 ) );
aPoly.append( ::basegfx::B2DPoint( nX0,
nY1 ) );
aPoly.append( ::basegfx::B2DPoint( nX0,
nY1-4 ) );
aPolyPoly.append( aPoly ); aPoly.clear();
aPoly.append( ::basegfx::B2DPoint( nX1-4,
nY1 ) );
aPoly.append( ::basegfx::B2DPoint( nX1,
nY1 ) );
aPoly.append( ::basegfx::B2DPoint( nX1,
nY1-4 ) );
aPolyPoly.append( aPoly );
return aPolyPoly;
}
int calcGradientStepCount( ::basegfx::B2DHomMatrix& rTotalTransform,
const rendering::ViewState& viewState,
const rendering::RenderState& renderState,
const rendering::Texture& texture,
int nColorSteps )
{
// calculate overall texture transformation (directly from
// texture to device space).
::basegfx::B2DHomMatrix aMatrix;
rTotalTransform.identity();
::basegfx::unotools::homMatrixFromAffineMatrix( rTotalTransform,
texture.AffineTransform );
::canvas::tools::mergeViewAndRenderTransform(aMatrix,
viewState,
renderState);
rTotalTransform *= aMatrix; // prepend total view/render transformation
// determine size of gradient in device coordinate system
// (to e.g. determine sensible number of gradient steps)
::basegfx::B2DPoint aLeftTop( 0.0, 0.0 );
::basegfx::B2DPoint aLeftBottom( 0.0, 1.0 );
::basegfx::B2DPoint aRightTop( 1.0, 0.0 );
::basegfx::B2DPoint aRightBottom( 1.0, 1.0 );
aLeftTop *= rTotalTransform;
aLeftBottom *= rTotalTransform;
aRightTop *= rTotalTransform;
aRightBottom*= rTotalTransform;
// longest line in gradient bound rect
const int nGradientSize(
static_cast<int>(
std::max(
::basegfx::B2DVector(aRightBottom-aLeftTop).getLength(),
::basegfx::B2DVector(aRightTop-aLeftBottom).getLength() ) + 1.0 ) );
// typical number for pixel of the same color (strip size)
const int nStripSize( nGradientSize < 50 ? 2 : 4 );
// use at least three steps, and at utmost the number of color
// steps
return std::max( 3,
std::min(
nGradientSize / nStripSize,
nColorSteps ) );
}
void clipOutDev(const rendering::ViewState& viewState,
const rendering::RenderState& renderState,
OutputDevice& rOutDev,
OutputDevice* p2ndOutDev)
{
// accumulate non-empty clips into one region
vcl::Region aClipRegion(true);
if( viewState.Clip.is() )
{
::basegfx::B2DPolyPolygon aClipPoly(
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(viewState.Clip) );
if( aClipPoly.count() )
{
// setup non-empty clipping
::basegfx::B2DHomMatrix aMatrix;
aClipPoly.transform(
::basegfx::unotools::homMatrixFromAffineMatrix( aMatrix,
viewState.AffineTransform ) );
aClipRegion = vcl::Region::GetRegionFromPolyPolygon( ::tools::PolyPolygon( aClipPoly ) );
}
else
{
// clip polygon is empty
aClipRegion.SetEmpty();
}
}
if( renderState.Clip.is() )
{
::basegfx::B2DPolyPolygon aClipPoly(
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(renderState.Clip) );
::basegfx::B2DHomMatrix aMatrix;
aClipPoly.transform(
::canvas::tools::mergeViewAndRenderTransform( aMatrix,
viewState,
renderState ) );
if( aClipPoly.count() )
{
// setup non-empty clipping
vcl::Region aRegion = vcl::Region::GetRegionFromPolyPolygon( ::tools::PolyPolygon( aClipPoly ) );
aClipRegion.Intersect( aRegion );
}
else
{
// clip polygon is empty
aClipRegion.SetEmpty();
}
}
// setup accumulated clip region. Note that setting an
// empty clip region denotes "clip everything" on the
// OutputDevice (which is why we translate that into
// SetClipRegion() here). When both view and render clip
// are empty, aClipRegion remains default-constructed,
// i.e. empty, too.
if( aClipRegion.IsNull() )
{
rOutDev.SetClipRegion();
if( p2ndOutDev )
p2ndOutDev->SetClipRegion();
}
else
{
rOutDev.SetClipRegion( aClipRegion );
if( p2ndOutDev )
p2ndOutDev->SetClipRegion( aClipRegion );
}
}
void extractExtraFontProperties(const uno::Sequence<beans::PropertyValue>& rExtraFontProperties,
sal_uInt32 &rEmphasisMark)
{
for(const beans::PropertyValue& rPropVal : rExtraFontProperties)
{
if (rPropVal.Name == "EmphasisMark")
rPropVal.Value >>= rEmphasisMark;
}
}
} // namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */