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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 <drawinglayer/texture/texture3d.hxx>
#include <vcl/bitmapaccess.hxx>
#include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx>
namespace drawinglayer
{
namespace texture
{
GeoTexSvxMono::GeoTexSvxMono(
const basegfx::BColor& rSingleColor,
double fOpacity)
: maSingleColor(rSingleColor),
mfOpacity(fOpacity)
{
}
bool GeoTexSvxMono::operator==(const GeoTexSvx& rGeoTexSvx) const
{
const GeoTexSvxMono* pCompare = dynamic_cast< const GeoTexSvxMono* >(&rGeoTexSvx);
return (pCompare
&& maSingleColor == pCompare->maSingleColor
&& mfOpacity == pCompare->mfOpacity);
}
void GeoTexSvxMono::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
{
rBColor = maSingleColor;
}
void GeoTexSvxMono::modifyOpacity(const basegfx::B2DPoint& /*rUV*/, double& rfOpacity) const
{
rfOpacity = mfOpacity;
}
} // end of namespace texture
} // end of namespace drawinglayer
namespace drawinglayer
{
namespace texture
{
GeoTexSvxBitmapEx::GeoTexSvxBitmapEx(
const BitmapEx& rBitmapEx,
const basegfx::B2DRange& rRange)
: maBitmapEx(rBitmapEx),
mpReadBitmap(nullptr),
maTransparence(),
mpReadTransparence(nullptr),
maTopLeft(rRange.getMinimum()),
maSize(rRange.getRange()),
mfMulX(0.0),
mfMulY(0.0),
mbIsAlpha(false),
mbIsTransparent(maBitmapEx.IsTransparent())
{
// #121194# Todo: use alpha channel, too (for 3d)
mpReadBitmap = maBitmapEx.GetBitmap().AcquireReadAccess();
OSL_ENSURE(mpReadBitmap, "GeoTexSvxBitmapEx: Got no read access to Bitmap (!)");
if(mbIsTransparent)
{
if(maBitmapEx.IsAlpha())
{
mbIsAlpha = true;
maTransparence = rBitmapEx.GetAlpha().GetBitmap();
}
else
{
maTransparence = rBitmapEx.GetMask();
}
mpReadTransparence = maTransparence.AcquireReadAccess();
}
mfMulX = (double)mpReadBitmap->Width() / maSize.getX();
mfMulY = (double)mpReadBitmap->Height() / maSize.getY();
if(maSize.getX() <= 1.0)
{
maSize.setX(1.0);
}
if(maSize.getY() <= 1.0)
{
maSize.setY(1.0);
}
}
GeoTexSvxBitmapEx::~GeoTexSvxBitmapEx()
{
delete mpReadTransparence;
delete mpReadBitmap;
}
sal_uInt8 GeoTexSvxBitmapEx::impGetTransparence(sal_Int32& rX, sal_Int32& rY) const
{
switch(maBitmapEx.GetTransparentType())
{
case TRANSPARENT_NONE:
{
break;
}
case TRANSPARENT_COLOR:
{
const BitmapColor aBitmapColor(mpReadBitmap->GetColor(rY, rX));
if(maBitmapEx.GetTransparentColor() == aBitmapColor.operator Color())
{
return 255;
}
break;
}
case TRANSPARENT_BITMAP:
{
OSL_ENSURE(mpReadTransparence, "OOps, transparence type Bitmap, but no read access created in the constructor (?)");
const BitmapColor aBitmapColor(mpReadTransparence->GetPixel(rY, rX));
if(mbIsAlpha)
{
return aBitmapColor.GetIndex();
}
else
{
if(0x00 != aBitmapColor.GetIndex())
{
return 255;
}
}
break;
}
}
return 0;
}
bool GeoTexSvxBitmapEx::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const
{
if(mpReadBitmap)
{
rX = (sal_Int32)((rUV.getX() - maTopLeft.getX()) * mfMulX);
if(rX >= 0L && rX < mpReadBitmap->Width())
{
rY = (sal_Int32)((rUV.getY() - maTopLeft.getY()) * mfMulY);
return (rY >= 0L && rY < mpReadBitmap->Height());
}
}
return false;
}
void GeoTexSvxBitmapEx::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
{
sal_Int32 nX, nY;
if(impIsValid(rUV, nX, nY))
{
const double fConvertColor(1.0 / 255.0);
const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
const basegfx::BColor aBSource(
(double)aBMCol.GetRed() * fConvertColor,
(double)aBMCol.GetGreen() * fConvertColor,
(double)aBMCol.GetBlue() * fConvertColor);
rBColor = aBSource;
if(mbIsTransparent)
{
// when we have a transparence, make use of it
const sal_uInt8 aLuminance(impGetTransparence(nX, nY));
rfOpacity = ((double)(0xff - aLuminance) * (1.0 / 255.0));
}
else
{
rfOpacity = 1.0;
}
}
else
{
rfOpacity = 0.0;
}
}
void GeoTexSvxBitmapEx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
{
sal_Int32 nX, nY;
if(impIsValid(rUV, nX, nY))
{
if(mbIsTransparent)
{
// this texture has an alpha part, use it
const sal_uInt8 aLuminance(impGetTransparence(nX, nY));
const double fNewOpacity((double)(0xff - aLuminance) * (1.0 / 255.0));
rfOpacity = 1.0 - ((1.0 - fNewOpacity) * (1.0 - rfOpacity));
}
else
{
// this texture is a color bitmap used as transparence map
const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue());
rfOpacity = ((double)(0xff - aColor.GetLuminance()) * (1.0 / 255.0));
}
}
else
{
rfOpacity = 0.0;
}
}
} // end of namespace texture
} // end of namespace drawinglayer
namespace drawinglayer
{
namespace texture
{
basegfx::B2DPoint GeoTexSvxBitmapExTiled::impGetCorrected(const basegfx::B2DPoint& rUV) const
{
double fX(rUV.getX() - maTopLeft.getX());
double fY(rUV.getY() - maTopLeft.getY());
if(mbUseOffsetX)
{
const sal_Int32 nCol(static_cast< sal_Int32 >((fY < 0.0 ? maSize.getY() -fY : fY) / maSize.getY()));
if(nCol % 2)
{
fX += mfOffsetX * maSize.getX();
}
}
else if(mbUseOffsetY)
{
const sal_Int32 nRow(static_cast< sal_Int32 >((fX < 0.0 ? maSize.getX() -fX : fX) / maSize.getX()));
if(nRow % 2)
{
fY += mfOffsetY * maSize.getY();
}
}
fX = fmod(fX, maSize.getX());
fY = fmod(fY, maSize.getY());
if(fX < 0.0)
{
fX += maSize.getX();
}
if(fY < 0.0)
{
fY += maSize.getY();
}
return basegfx::B2DPoint(fX + maTopLeft.getX(), fY + maTopLeft.getY());
}
GeoTexSvxBitmapExTiled::GeoTexSvxBitmapExTiled(
const BitmapEx& rBitmapEx,
const basegfx::B2DRange& rRange,
double fOffsetX,
double fOffsetY)
: GeoTexSvxBitmapEx(rBitmapEx, rRange),
mfOffsetX(basegfx::clamp(fOffsetX, 0.0, 1.0)),
mfOffsetY(basegfx::clamp(fOffsetY, 0.0, 1.0)),
mbUseOffsetX(!basegfx::fTools::equalZero(mfOffsetX)),
mbUseOffsetY(!mbUseOffsetX && !basegfx::fTools::equalZero(mfOffsetY))
{
}
void GeoTexSvxBitmapExTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
{
if(mpReadBitmap)
{
GeoTexSvxBitmapEx::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity);
}
}
void GeoTexSvxBitmapExTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
{
if(mpReadBitmap)
{
GeoTexSvxBitmapEx::modifyOpacity(impGetCorrected(rUV), rfOpacity);
}
}
} // end of namespace texture
} // end of namespace drawinglayer
namespace drawinglayer
{
namespace texture
{
GeoTexSvxMultiHatch::GeoTexSvxMultiHatch(
const primitive3d::HatchTexturePrimitive3D& rPrimitive,
double fLogicPixelSize)
: mfLogicPixelSize(fLogicPixelSize),
mp0(nullptr),
mp1(nullptr),
mp2(nullptr)
{
const attribute::FillHatchAttribute& rHatch(rPrimitive.getHatch());
const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY());
const double fAngleA(rHatch.getAngle());
maColor = rHatch.getColor();
mbFillBackground = rHatch.isFillBackground();
mp0 = new GeoTexSvxHatch(
aOutlineRange,
aOutlineRange,
rHatch.getDistance(),
fAngleA);
if(attribute::HATCHSTYLE_DOUBLE == rHatch.getStyle() || attribute::HATCHSTYLE_TRIPLE == rHatch.getStyle())
{
mp1 = new GeoTexSvxHatch(
aOutlineRange,
aOutlineRange,
rHatch.getDistance(),
fAngleA + F_PI2);
}
if(attribute::HATCHSTYLE_TRIPLE == rHatch.getStyle())
{
mp2 = new GeoTexSvxHatch(
aOutlineRange,
aOutlineRange,
rHatch.getDistance(),
fAngleA + F_PI4);
}
}
GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch()
{
delete mp0;
delete mp1;
delete mp2;
}
bool GeoTexSvxMultiHatch::impIsOnHatch(const basegfx::B2DPoint& rUV) const
{
if(mp0->getDistanceToHatch(rUV) < mfLogicPixelSize)
{
return true;
}
if(mp1 && mp1->getDistanceToHatch(rUV) < mfLogicPixelSize)
{
return true;
}
if(mp2 && mp2->getDistanceToHatch(rUV) < mfLogicPixelSize)
{
return true;
}
return false;
}
void GeoTexSvxMultiHatch::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
{
if(impIsOnHatch(rUV))
{
rBColor = maColor;
}
else if(!mbFillBackground)
{
rfOpacity = 0.0;
}
}
void GeoTexSvxMultiHatch::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
{
if(mbFillBackground || impIsOnHatch(rUV))
{
rfOpacity = 1.0;
}
else
{
rfOpacity = 0.0;
}
}
} // end of namespace texture
} // end of namespace drawinglayer
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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