From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- .../inc/processor3d/zbufferprocessor3d.hxx | 93 ++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 drawinglayer/inc/processor3d/zbufferprocessor3d.hxx (limited to 'drawinglayer/inc/processor3d/zbufferprocessor3d.hxx') diff --git a/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx b/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx new file mode 100644 index 000000000..4207a6fcd --- /dev/null +++ b/drawinglayer/inc/processor3d/zbufferprocessor3d.hxx @@ -0,0 +1,93 @@ +/* -*- 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 . + */ + +#pragma once + +#include +#include +#include + +namespace basegfx { + class BZPixelRaster; +} + +namespace drawinglayer::attribute { + class SdrSceneAttribute; + class SdrLightingAttribute; + class MaterialAttribute3D; +} + + +class ZBufferRasterConverter3D; +class RasterPrimitive3D; + +namespace drawinglayer::processor3d + { + /** + This 3D renderer derived from DefaultProcessor3D renders all fed primitives to a 2D + raster bitmap using a Z-Buffer based approach. It is able to supersample and to handle + transparent content. + */ + class ZBufferProcessor3D final : public DefaultProcessor3D + { + private: + /// inverse of EyeToView for rasterconversion with evtl. Phong shading + basegfx::B3DHomMatrix maInvEyeToView; + + /// The raster converter for Z-Buffer + std::unique_ptr mpZBufferRasterConverter3D; + + /* AA value. Defines how many oversamples will be used in X and Y. Values 0, 1 + will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create + */ + sal_uInt16 mnAntiAlialize; + + /* remembered RasterPrimitive3D's which need to be painted back to front + for transparent 3D parts + */ + mutable std::vector< RasterPrimitive3D > maRasterPrimitive3Ds; + + sal_uInt32 mnStartLine; + sal_uInt32 mnStopLine; + + // rasterconversions for filled and non-filled polygons + + virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const override; + virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const override; + + public: + ZBufferProcessor3D( + const geometry::ViewInformation3D& rViewInformation3D, + const attribute::SdrSceneAttribute& rSdrSceneAttribute, + const attribute::SdrLightingAttribute& rSdrLightingAttribute, + const basegfx::B2DRange& rVisiblePart, + sal_uInt16 nAntiAlialize, + double fFullViewSizeX, + double fFullViewSizeY, + basegfx::BZPixelRaster& rBZPixelRaster, + sal_uInt32 nStartLine, + sal_uInt32 nStopLine); + virtual ~ZBufferProcessor3D() override; + + void finish(); + }; + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3