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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 <primitive2d/texteffectprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
namespace drawinglayer::primitive2d
{
static const double fDiscreteSize(1.1);
void TextEffectPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const
{
// get the distance of one discrete units from target display. Use between 1.0 and sqrt(2) to
// have good results on rotated objects, too
const basegfx::B2DVector aDistance(rViewInformation.getInverseObjectToViewTransformation() *
basegfx::B2DVector(fDiscreteSize, fDiscreteSize));
const basegfx::B2DVector aDiagonalDistance(aDistance * (1.0 / 1.44));
switch(getTextEffectStyle2D())
{
case TextEffectStyle2D::ReliefEmbossed:
case TextEffectStyle2D::ReliefEngraved:
case TextEffectStyle2D::ReliefEmbossedDefault:
case TextEffectStyle2D::ReliefEngravedDefault:
{
// prepare transform of sub-group back to (0,0) and align to X-Axis
basegfx::B2DHomMatrix aBackTransform(basegfx::utils::createTranslateB2DHomMatrix(
-getRotationCenter().getX(), -getRotationCenter().getY()));
aBackTransform.rotate(-getDirection());
// prepare transform of sub-group back to its position and rotation
basegfx::B2DHomMatrix aForwardTransform(basegfx::utils::createRotateB2DHomMatrix(getDirection()));
aForwardTransform.translate(getRotationCenter().getX(), getRotationCenter().getY());
// create transformation for one discrete unit
const bool bEmbossed(
TextEffectStyle2D::ReliefEmbossed == getTextEffectStyle2D()
|| TextEffectStyle2D::ReliefEmbossedDefault == getTextEffectStyle2D());
const bool bDefaultTextColor(
TextEffectStyle2D::ReliefEmbossedDefault == getTextEffectStyle2D()
|| TextEffectStyle2D::ReliefEngravedDefault == getTextEffectStyle2D());
basegfx::B2DHomMatrix aTransform(aBackTransform);
if(bEmbossed)
{
// to bottom-right
aTransform.translate(aDiagonalDistance.getX(), aDiagonalDistance.getY());
}
else
{
// to top-left
aTransform.translate(-aDiagonalDistance.getX(), -aDiagonalDistance.getY());
}
aTransform *= aForwardTransform;
if(bDefaultTextColor)
{
// emboss/engrave in black, original forced to white
const basegfx::BColorModifierSharedPtr aBColorModifierToGray =
std::make_shared<basegfx::BColorModifier_replace>(
basegfx::BColor(0.0));
const Primitive2DReference xModifiedColor(
new ModifiedColorPrimitive2D(
getTextContent(),
aBColorModifierToGray));
rContainer.push_back(
new TransformPrimitive2D(
aTransform,
Primitive2DContainer { xModifiedColor }));
// add original, too
const basegfx::BColorModifierSharedPtr aBColorModifierToWhite =
std::make_shared<basegfx::BColorModifier_replace>(
basegfx::BColor(1.0));
rContainer.push_back(
new ModifiedColorPrimitive2D(
getTextContent(),
aBColorModifierToWhite));
}
else
{
// emboss/engrave in gray, keep original's color
const basegfx::BColorModifierSharedPtr aBColorModifierToGray =
std::make_shared<basegfx::BColorModifier_replace>(
basegfx::BColor(0.75)); // 192
const Primitive2DReference xModifiedColor(
new ModifiedColorPrimitive2D(
getTextContent(),
aBColorModifierToGray));
rContainer.push_back(
new TransformPrimitive2D(
aTransform,
Primitive2DContainer { xModifiedColor }));
// add original, too
rContainer.push_back(new GroupPrimitive2D(getTextContent()));
}
break;
}
case TextEffectStyle2D::Outline:
{
// create transform primitives in all directions
basegfx::B2DHomMatrix aTransform;
aTransform.set(0, 2, aDistance.getX());
aTransform.set(1, 2, 0.0);
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, aDiagonalDistance.getX());
aTransform.set(1, 2, aDiagonalDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, 0.0);
aTransform.set(1, 2, aDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, -aDiagonalDistance.getX());
aTransform.set(1, 2, aDiagonalDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, -aDistance.getX());
aTransform.set(1, 2, 0.0);
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, -aDiagonalDistance.getX());
aTransform.set(1, 2, -aDiagonalDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, 0.0);
aTransform.set(1, 2, -aDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
aTransform.set(0, 2, aDiagonalDistance.getX());
aTransform.set(1, 2, -aDiagonalDistance.getY());
rContainer.push_back(new TransformPrimitive2D(aTransform, getTextContent()));
// at last, place original over it, but force to white
const basegfx::BColorModifierSharedPtr aBColorModifierToWhite =
std::make_shared<basegfx::BColorModifier_replace>(
basegfx::BColor(1.0, 1.0, 1.0));
rContainer.push_back(
new ModifiedColorPrimitive2D(
getTextContent(),
aBColorModifierToWhite));
break;
}
}
}
TextEffectPrimitive2D::TextEffectPrimitive2D(
const Primitive2DContainer& rTextContent,
const basegfx::B2DPoint& rRotationCenter,
double fDirection,
TextEffectStyle2D eTextEffectStyle2D)
: BufferedDecompositionPrimitive2D(),
maTextContent(rTextContent),
maRotationCenter(rRotationCenter),
mfDirection(fDirection),
meTextEffectStyle2D(eTextEffectStyle2D)
{
}
bool TextEffectPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(BasePrimitive2D::operator==(rPrimitive))
{
const TextEffectPrimitive2D& rCompare = static_cast<const TextEffectPrimitive2D&>(rPrimitive);
return (getTextContent() == rCompare.getTextContent()
&& getRotationCenter() == rCompare.getRotationCenter()
&& getDirection() == rCompare.getDirection()
&& getTextEffectStyle2D() == rCompare.getTextEffectStyle2D());
}
return false;
}
basegfx::B2DRange TextEffectPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
// get range of content and grow by used fDiscreteSize. That way it is not necessary to ask
// the whole decomposition for its ranges (which may be expensive with outline mode which
// then will ask 9 times at nearly the same content. This may even be refined here using the
// TextEffectStyle information, e.g. for TEXTEFFECTSTYLE2D_RELIEF the grow needs only to
// be in two directions
basegfx::B2DRange aRetval(getTextContent().getB2DRange(rViewInformation));
aRetval.grow(fDiscreteSize);
return aRetval;
}
void TextEffectPrimitive2D::get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const
{
::osl::MutexGuard aGuard( m_aMutex );
if(!getBuffered2DDecomposition().empty())
{
if(maLastObjectToViewTransformation != rViewInformation.getObjectToViewTransformation())
{
// conditions of last local decomposition have changed, delete
const_cast< TextEffectPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DContainer());
}
}
if(getBuffered2DDecomposition().empty())
{
// remember ViewRange and ViewTransformation
const_cast< TextEffectPrimitive2D* >(this)->maLastObjectToViewTransformation = rViewInformation.getObjectToViewTransformation();
}
// use parent implementation
BufferedDecompositionPrimitive2D::get2DDecomposition(rVisitor, rViewInformation);
}
// provide unique ID
ImplPrimitive2DIDBlock(TextEffectPrimitive2D, PRIMITIVE2D_ID_TEXTEFFECTPRIMITIVE2D)
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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