570 lines
26 KiB
C++
570 lines
26 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <processor3d/defaultprocessor3d.hxx>
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#include <primitive3d/textureprimitive3d.hxx>
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#include <texture/texture.hxx>
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#include <texture/texture3d.hxx>
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#include <primitive3d/hatchtextureprimitive3d.hxx>
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#include <drawinglayer/primitive3d/modifiedcolorprimitive3d.hxx>
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#include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
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#include <basegfx/polygon/b3dpolygontools.hxx>
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#include <drawinglayer/attribute/materialattribute3d.hxx>
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#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
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#include <basegfx/polygon/b3dpolypolygontools.hxx>
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#include <com/sun/star/drawing/ShadeMode.hpp>
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#include <drawinglayer/primitive3d/transformprimitive3d.hxx>
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#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
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#include <vcl/bitmapex.hxx>
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#include <drawinglayer/attribute/sdrsceneattribute3d.hxx>
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#include <drawinglayer/attribute/sdrlightingattribute3d.hxx>
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#include <vcl/graph.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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using namespace com::sun::star;
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namespace drawinglayer::processor3d
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{
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void DefaultProcessor3D::impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence)
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{
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const primitive3d::Primitive3DContainer& rSubSequence = rPrimitive.getChildren();
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if(rSubSequence.empty())
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return;
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// rescue values
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const bool bOldModulate(getModulate()); mbModulate = rPrimitive.getModulate();
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const bool bOldFilter(getFilter()); mbFilter = rPrimitive.getFilter();
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const bool bOldSimpleTextureActive(getSimpleTextureActive());
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std::shared_ptr< texture::GeoTexSvx > pOldTex = bTransparence ? mpTransparenceGeoTexSvx : mpGeoTexSvx;
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// create texture
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const attribute::FillGradientAttribute& rFillGradient = rPrimitive.getGradient();
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const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY());
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const css::awt::GradientStyle aGradientStyle(rFillGradient.getStyle());
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std::shared_ptr< texture::GeoTexSvx > pNewTex;
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basegfx::BColor aSingleColor;
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if (!rFillGradient.getColorStops().isSingleColor(aSingleColor))
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{
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switch(aGradientStyle)
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{
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default: // GradientStyle_MAKE_FIXED_SIZE
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case css::awt::GradientStyle_LINEAR:
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{
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pNewTex = std::make_shared<texture::GeoTexSvxGradientLinear>(
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aOutlineRange,
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getAngle());
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break;
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}
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case css::awt::GradientStyle_AXIAL:
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{
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pNewTex = std::make_shared<texture::GeoTexSvxGradientAxial>(
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aOutlineRange,
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getAngle());
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break;
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}
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case css::awt::GradientStyle_RADIAL:
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{
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pNewTex =
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std::make_shared<texture::GeoTexSvxGradientRadial>(
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getOffsetX(),
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rFillGradient.getOffsetY());
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break;
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}
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case css::awt::GradientStyle_ELLIPTICAL:
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{
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pNewTex =
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std::make_shared<texture::GeoTexSvxGradientElliptical>(
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getOffsetX(),
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rFillGradient.getOffsetY(),
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rFillGradient.getAngle());
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break;
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}
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case css::awt::GradientStyle_SQUARE:
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{
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pNewTex =
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std::make_shared<texture::GeoTexSvxGradientSquare>(
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getOffsetX(),
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rFillGradient.getOffsetY(),
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rFillGradient.getAngle());
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break;
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}
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case css::awt::GradientStyle_RECT:
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{
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pNewTex =
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std::make_shared<texture::GeoTexSvxGradientRect>(
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aOutlineRange,
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rFillGradient.getSteps(),
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rFillGradient.getColorStops(),
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rFillGradient.getBorder(),
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rFillGradient.getOffsetX(),
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rFillGradient.getOffsetY(),
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rFillGradient.getAngle());
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break;
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}
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}
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mbSimpleTextureActive = false;
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}
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else
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{
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// only one color, so no real gradient -> use simple texture
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pNewTex = std::make_shared<texture::GeoTexSvxMono>(aSingleColor, 1.0 - aSingleColor.luminance());
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mbSimpleTextureActive = true;
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}
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// set created texture
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if(bTransparence)
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mpTransparenceGeoTexSvx = std::move(pNewTex);
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else
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mpGeoTexSvx = std::move(pNewTex);
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// process sub-list
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process(rSubSequence);
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// restore values
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mbModulate = bOldModulate;
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mbFilter = bOldFilter;
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mbSimpleTextureActive = bOldSimpleTextureActive;
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if(bTransparence)
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{
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mpTransparenceGeoTexSvx = std::move(pOldTex);
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}
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else
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{
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mpGeoTexSvx = std::move(pOldTex);
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}
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}
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void DefaultProcessor3D::impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive)
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{
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const primitive3d::Primitive3DContainer& rSubSequence = rPrimitive.getChildren();
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if(rSubSequence.empty())
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return;
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// rescue values
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const bool bOldModulate(getModulate()); mbModulate = rPrimitive.getModulate();
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const bool bOldFilter(getFilter()); mbFilter = rPrimitive.getFilter();
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std::shared_ptr<texture::GeoTexSvx> xOldTex(mpGeoTexSvx);
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// calculate logic pixel size in object coordinates. Create transformation view
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// to object by inverting ObjectToView
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basegfx::B3DHomMatrix aInvObjectToView(getViewInformation3D().getObjectToView());
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aInvObjectToView.invert();
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// back-project discrete coordinates to object coordinates and extract
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// maximum distance
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const basegfx::B3DPoint aZero(aInvObjectToView * basegfx::B3DPoint(0.0, 0.0, 0.0));
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const basegfx::B3DPoint aOne(aInvObjectToView * basegfx::B3DPoint(1.0, 1.0, 1.0));
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const basegfx::B3DVector aLogicPixel(aOne - aZero);
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double fLogicPixelSizeWorld(std::max(std::max(fabs(aLogicPixel.getX()), fabs(aLogicPixel.getY())), fabs(aLogicPixel.getZ())));
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// calculate logic pixel size in texture coordinates
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const double fLogicTexSizeX(fLogicPixelSizeWorld / rPrimitive.getTextureSize().getX());
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const double fLogicTexSizeY(fLogicPixelSizeWorld / rPrimitive.getTextureSize().getY());
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const double fLogicTexSize(std::max(fLogicTexSizeX, fLogicTexSizeY));
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// create texture and set
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mpGeoTexSvx = std::make_shared<texture::GeoTexSvxMultiHatch>(rPrimitive, fLogicTexSize);
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// process sub-list
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process(rSubSequence);
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// restore values
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mbModulate = bOldModulate;
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mbFilter = bOldFilter;
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mpGeoTexSvx = std::move(xOldTex);
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}
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void DefaultProcessor3D::impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive)
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{
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const primitive3d::Primitive3DContainer& rSubSequence = rPrimitive.getChildren();
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if(rSubSequence.empty())
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return;
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// rescue values
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const bool bOldModulate(getModulate()); mbModulate = rPrimitive.getModulate();
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const bool bOldFilter(getFilter()); mbFilter = rPrimitive.getFilter();
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std::shared_ptr< texture::GeoTexSvx > pOldTex = mpGeoTexSvx;
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// create texture
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const attribute::FillGraphicAttribute& rFillGraphicAttribute = rPrimitive.getFillGraphicAttribute();
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// #121194# For 3D texture we will use the BitmapRex representation
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const BitmapEx aBitmapEx(rFillGraphicAttribute.getGraphic().GetBitmapEx());
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// create range scaled by texture size
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basegfx::B2DRange aGraphicRange(rFillGraphicAttribute.getGraphicRange());
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aGraphicRange.transform(
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basegfx::utils::createScaleB2DHomMatrix(
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rPrimitive.getTextureSize()));
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if(rFillGraphicAttribute.getTiling())
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{
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mpGeoTexSvx =
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std::make_shared<texture::GeoTexSvxBitmapExTiled>(
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aBitmapEx,
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aGraphicRange,
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rFillGraphicAttribute.getOffsetX(),
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rFillGraphicAttribute.getOffsetY());
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}
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else
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{
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mpGeoTexSvx =
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std::make_shared<texture::GeoTexSvxBitmapEx>(
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aBitmapEx,
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aGraphicRange);
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}
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// process sub-list
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process(rSubSequence);
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// restore values
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mbModulate = bOldModulate;
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mbFilter = bOldFilter;
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mpGeoTexSvx = std::move(pOldTex);
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}
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void DefaultProcessor3D::impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate)
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{
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const primitive3d::Primitive3DContainer& rSubSequence = rModifiedCandidate.getChildren();
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if(!rSubSequence.empty())
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{
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// put modifier on stack
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maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
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// process sub-list
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process(rModifiedCandidate.getChildren());
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// remove modifier from stack
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maBColorModifierStack.pop();
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}
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}
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void DefaultProcessor3D::impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive) const
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{
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basegfx::B3DPolygon aHairline(rPrimitive.getB3DPolygon());
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if(!aHairline.count())
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return;
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// hairlines need no extra data, clear it
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aHairline.clearTextureCoordinates();
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aHairline.clearNormals();
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aHairline.clearBColors();
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// transform to device coordinates (-1.0 .. 1.0) and check for visibility
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aHairline.transform(getViewInformation3D().getObjectToView());
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const basegfx::B3DRange a3DRange(basegfx::utils::getRange(aHairline));
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const basegfx::B2DRange a2DRange(a3DRange.getMinX(), a3DRange.getMinY(), a3DRange.getMaxX(), a3DRange.getMaxY());
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if(a2DRange.overlaps(maRasterRange))
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{
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const attribute::MaterialAttribute3D aMaterial(maBColorModifierStack.getModifiedColor(rPrimitive.getBColor()));
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rasterconvertB3DPolygon(aMaterial, aHairline);
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}
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}
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void DefaultProcessor3D::impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive) const
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{
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basegfx::B3DPolyPolygon aFill(rPrimitive.getB3DPolyPolygon());
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basegfx::BColor aObjectColor(rPrimitive.getMaterial().getColor());
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bool bPaintIt(aFill.count());
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// #i98295# get ShadeMode. Correct early when only flat is possible due to missing normals
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const css::drawing::ShadeMode aShadeMode(
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aFill.areNormalsUsed() ?
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getSdrSceneAttribute().getShadeMode() : css::drawing::ShadeMode_FLAT);
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if(bPaintIt)
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{
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// get rid of texture coordinates if there is no texture
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if(aFill.areTextureCoordinatesUsed() && !getGeoTexSvx() && !getTransparenceGeoTexSvx())
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{
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aFill.clearTextureCoordinates();
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}
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// #i98295# get rid of normals and color early when not needed
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if(css::drawing::ShadeMode_FLAT == aShadeMode)
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{
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aFill.clearNormals();
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aFill.clearBColors();
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}
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// transform to device coordinates (-1.0 .. 1.0) and check for visibility
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aFill.transform(getViewInformation3D().getObjectToView());
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const basegfx::B3DRange a3DRange(basegfx::utils::getRange(aFill));
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const basegfx::B2DRange a2DRange(a3DRange.getMinX(), a3DRange.getMinY(), a3DRange.getMaxX(), a3DRange.getMaxY());
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bPaintIt = a2DRange.overlaps(maRasterRange);
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}
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// check if it shall be painted regarding hiding of normals (backface culling)
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if(bPaintIt && !rPrimitive.getDoubleSided())
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{
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// get plane normal of polygon in view coordinates (with ZBuffer values),
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// left-handed coordinate system
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const basegfx::B3DVector aPlaneNormal(aFill.getB3DPolygon(0).getNormal());
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if(aPlaneNormal.getZ() > 0.0)
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{
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bPaintIt = false;
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}
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}
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if(!bPaintIt)
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return;
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// prepare ObjectToEye in NormalTransform
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basegfx::B3DHomMatrix aNormalTransform(getViewInformation3D().getOrientation() * getViewInformation3D().getObjectTransformation());
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if(getSdrSceneAttribute().getTwoSidedLighting())
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{
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// get plane normal of polygon in view coordinates (with ZBuffer values),
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// left-handed coordinate system
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const basegfx::B3DVector aPlaneNormal(aFill.getB3DPolygon(0).getNormal());
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if(aPlaneNormal.getZ() > 0.0)
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{
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// mirror normals
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aNormalTransform.scale(-1.0, -1.0, -1.0);
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}
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}
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switch(aShadeMode)
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{
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case css::drawing::ShadeMode_PHONG:
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{
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// phong shading. Transform normals to eye coor
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aFill.transformNormals(aNormalTransform);
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break;
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}
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case css::drawing::ShadeMode_SMOOTH:
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{
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// gouraud shading. Transform normals to eye coor
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aFill.transformNormals(aNormalTransform);
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// prepare color model parameters, evtl. use blend color
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const basegfx::BColor aColor(getModulate() ? basegfx::BColor(1.0, 1.0, 1.0) : rPrimitive.getMaterial().getColor());
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const basegfx::BColor& rSpecular(rPrimitive.getMaterial().getSpecular());
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const basegfx::BColor& rEmission(rPrimitive.getMaterial().getEmission());
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const sal_uInt16 nSpecularIntensity(rPrimitive.getMaterial().getSpecularIntensity());
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// solve color model for each normal vector, set colors at points. Clear normals.
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for(sal_uInt32 a(0); a < aFill.count(); a++)
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{
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basegfx::B3DPolygon aPartFill(aFill.getB3DPolygon(a));
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for(sal_uInt32 b(0); b < aPartFill.count(); b++)
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{
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// solve color model. Transform normal to eye coor
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const basegfx::B3DVector aNormal(aPartFill.getNormal(b));
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const basegfx::BColor aSolvedColor(getSdrLightingAttribute().solveColorModel(aNormal, aColor, rSpecular, rEmission, nSpecularIntensity));
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aPartFill.setBColor(b, aSolvedColor);
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}
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// clear normals on this part polygon and write it back
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aPartFill.clearNormals();
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aFill.setB3DPolygon(a, aPartFill);
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}
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break;
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}
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case css::drawing::ShadeMode_FLAT:
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{
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// flat shading. Get plane vector in eye coordinates
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const basegfx::B3DVector aPlaneEyeNormal(aNormalTransform * rPrimitive.getB3DPolyPolygon().getB3DPolygon(0).getNormal());
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// prepare color model parameters, evtl. use blend color
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const basegfx::BColor aColor(getModulate() ? basegfx::BColor(1.0, 1.0, 1.0) : rPrimitive.getMaterial().getColor());
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const basegfx::BColor& rSpecular(rPrimitive.getMaterial().getSpecular());
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const basegfx::BColor& rEmission(rPrimitive.getMaterial().getEmission());
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const sal_uInt16 nSpecularIntensity(rPrimitive.getMaterial().getSpecularIntensity());
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// solve color model for plane vector and use that color for whole plane
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aObjectColor = getSdrLightingAttribute().solveColorModel(aPlaneEyeNormal, aColor, rSpecular, rEmission, nSpecularIntensity);
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break;
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}
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default: // case css::drawing::ShadeMode_DRAFT:
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{
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// draft, just use object color which is already set. Delete all other infos
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aFill.clearNormals();
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aFill.clearBColors();
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break;
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}
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}
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// draw it to ZBuffer
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const attribute::MaterialAttribute3D aMaterial(
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maBColorModifierStack.getModifiedColor(aObjectColor),
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rPrimitive.getMaterial().getSpecular(),
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rPrimitive.getMaterial().getEmission(),
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rPrimitive.getMaterial().getSpecularIntensity());
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rasterconvertB3DPolyPolygon(aMaterial, aFill);
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}
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void DefaultProcessor3D::impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate)
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{
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// transform group. Remember current transformations
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const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D());
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// create new transformation; add new object transform from right side
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const geometry::ViewInformation3D aNewViewInformation3D(
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aLastViewInformation3D.getObjectTransformation() * rTransformCandidate.getTransformation(),
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aLastViewInformation3D.getOrientation(),
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aLastViewInformation3D.getProjection(),
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aLastViewInformation3D.getDeviceToView(),
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aLastViewInformation3D.getViewTime(),
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aLastViewInformation3D.getExtendedInformationSequence());
|
|
updateViewInformation(aNewViewInformation3D);
|
|
|
|
// let break down recursively
|
|
process(rTransformCandidate.getChildren());
|
|
|
|
// restore transformations
|
|
updateViewInformation(aLastViewInformation3D);
|
|
}
|
|
|
|
void DefaultProcessor3D::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive)
|
|
{
|
|
// it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch
|
|
switch(rBasePrimitive.getPrimitive3DID())
|
|
{
|
|
case PRIMITIVE3D_ID_GRADIENTTEXTUREPRIMITIVE3D :
|
|
{
|
|
// GradientTexturePrimitive3D
|
|
const primitive3d::GradientTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::GradientTexturePrimitive3D& >(rBasePrimitive);
|
|
impRenderGradientTexturePrimitive3D(rPrimitive, false);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D :
|
|
{
|
|
// hatchTexturePrimitive3D
|
|
const primitive3d::HatchTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::HatchTexturePrimitive3D& >(rBasePrimitive);
|
|
impRenderHatchTexturePrimitive3D(rPrimitive);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_BITMAPTEXTUREPRIMITIVE3D :
|
|
{
|
|
// BitmapTexturePrimitive3D
|
|
const primitive3d::BitmapTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::BitmapTexturePrimitive3D& >(rBasePrimitive);
|
|
impRenderBitmapTexturePrimitive3D(rPrimitive);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_TRANSPARENCETEXTUREPRIMITIVE3D :
|
|
{
|
|
// TransparenceTexturePrimitive3D
|
|
const primitive3d::TransparenceTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::TransparenceTexturePrimitive3D& >(rBasePrimitive);
|
|
mnTransparenceCounter++;
|
|
impRenderGradientTexturePrimitive3D(rPrimitive, true);
|
|
mnTransparenceCounter--;
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_MODIFIEDCOLORPRIMITIVE3D :
|
|
{
|
|
// ModifiedColorPrimitive3D
|
|
// Force output to unified color.
|
|
const primitive3d::ModifiedColorPrimitive3D& rPrimitive = static_cast< const primitive3d::ModifiedColorPrimitive3D& >(rBasePrimitive);
|
|
impRenderModifiedColorPrimitive3D(rPrimitive);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D :
|
|
{
|
|
// directdraw of PolygonHairlinePrimitive3D
|
|
const primitive3d::PolygonHairlinePrimitive3D& rPrimitive = static_cast< const primitive3d::PolygonHairlinePrimitive3D& >(rBasePrimitive);
|
|
impRenderPolygonHairlinePrimitive3D(rPrimitive);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D :
|
|
{
|
|
// directdraw of PolyPolygonMaterialPrimitive3D
|
|
const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rBasePrimitive);
|
|
impRenderPolyPolygonMaterialPrimitive3D(rPrimitive);
|
|
break;
|
|
}
|
|
case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D :
|
|
{
|
|
// transform group (TransformPrimitive3D)
|
|
impRenderTransformPrimitive3D(static_cast< const primitive3d::TransformPrimitive3D& >(rBasePrimitive));
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
// process recursively
|
|
process(rBasePrimitive.get3DDecomposition(getViewInformation3D()));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DefaultProcessor3D::DefaultProcessor3D(
|
|
const geometry::ViewInformation3D& rViewInformation,
|
|
const attribute::SdrSceneAttribute& rSdrSceneAttribute,
|
|
const attribute::SdrLightingAttribute& rSdrLightingAttribute)
|
|
: BaseProcessor3D(rViewInformation),
|
|
mrSdrSceneAttribute(rSdrSceneAttribute),
|
|
mrSdrLightingAttribute(rSdrLightingAttribute),
|
|
maBColorModifierStack(),
|
|
mnTransparenceCounter(0),
|
|
mbModulate(false),
|
|
mbFilter(false),
|
|
mbSimpleTextureActive(false)
|
|
{
|
|
// a derivation has to set maRasterRange which is used in the basic render methods.
|
|
// Setting to default here ([0.0 .. 1.0] in X,Y) to avoid problems
|
|
maRasterRange.expand(basegfx::B2DTuple(0.0, 0.0));
|
|
maRasterRange.expand(basegfx::B2DTuple(1.0, 1.0));
|
|
}
|
|
|
|
DefaultProcessor3D::~DefaultProcessor3D()
|
|
{
|
|
}
|
|
|
|
} // end of namespace
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|