summaryrefslogtreecommitdiffstats
path: root/drawinglayer/inc/processor3d
diff options
context:
space:
mode:
Diffstat (limited to 'drawinglayer/inc/processor3d')
-rw-r--r--drawinglayer/inc/processor3d/defaultprocessor3d.hxx137
-rw-r--r--drawinglayer/inc/processor3d/geometry2dextractor.hxx66
-rw-r--r--drawinglayer/inc/processor3d/shadow3dextractor.hxx95
-rw-r--r--drawinglayer/inc/processor3d/zbufferprocessor3d.hxx93
4 files changed, 391 insertions, 0 deletions
diff --git a/drawinglayer/inc/processor3d/defaultprocessor3d.hxx b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
new file mode 100644
index 000000000..aace2ef87
--- /dev/null
+++ b/drawinglayer/inc/processor3d/defaultprocessor3d.hxx
@@ -0,0 +1,137 @@
+/* -*- 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 <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+
+// predefines
+
+namespace basegfx {
+ class B3DPolygon;
+ class B3DPolyPolygon;
+}
+
+namespace drawinglayer::attribute {
+ class SdrSceneAttribute;
+ class SdrLightingAttribute;
+ class MaterialAttribute3D;
+}
+
+namespace drawinglayer::primitive3d {
+ class PolygonHairlinePrimitive3D;
+ class PolyPolygonMaterialPrimitive3D;
+ class GradientTexturePrimitive3D;
+ class HatchTexturePrimitive3D;
+ class BitmapTexturePrimitive3D;
+ class TransformPrimitive3D;
+ class ModifiedColorPrimitive3D;
+}
+
+namespace drawinglayer::texture {
+ class GeoTexSvx;
+}
+
+
+namespace drawinglayer::processor3d
+ {
+ /** DefaultProcessor3D class
+
+ This processor renders all fed primitives to a 2D raster where for all
+ primitives the two basic methods rasterconvertB3DPolygon for hairlines and
+ rasterconvertB3DPolyPolygon for filled geometry is called. It is a baseclass to
+ e.g. base a Z-Buffer supported renderer on the 3D primitive processing.
+ */
+ class DefaultProcessor3D : public BaseProcessor3D
+ {
+ protected:
+ /// read-only scene infos (normal handling, etc...)
+ const attribute::SdrSceneAttribute& mrSdrSceneAttribute;
+
+ /// read-only light infos (lights, etc...)
+ const attribute::SdrLightingAttribute& mrSdrLightingAttribute;
+
+ /// renderer range. Need to be correctly set by the derived implementations
+ /// normally the (0, 0, W, H) range from mpBZPixelRaster
+ basegfx::B2DRange maRasterRange;
+
+ /// the modifiedColorPrimitive stack
+ basegfx::BColorModifierStack maBColorModifierStack;
+
+ /// the current active texture
+ std::shared_ptr< texture::GeoTexSvx > mpGeoTexSvx;
+
+ /// the current active transparence texture
+ std::shared_ptr< texture::GeoTexSvx > mpTransparenceGeoTexSvx;
+
+ /// counter for entered transparence textures
+ sal_uInt32 mnTransparenceCounter;
+
+ bool mbModulate : 1;
+ bool mbFilter : 1;
+ bool mbSimpleTextureActive : 1;
+
+
+ // rendering support
+
+ void impRenderGradientTexturePrimitive3D(const primitive3d::GradientTexturePrimitive3D& rPrimitive, bool bTransparence);
+ void impRenderHatchTexturePrimitive3D(const primitive3d::HatchTexturePrimitive3D& rPrimitive);
+ void impRenderBitmapTexturePrimitive3D(const primitive3d::BitmapTexturePrimitive3D& rPrimitive);
+ void impRenderModifiedColorPrimitive3D(const primitive3d::ModifiedColorPrimitive3D& rModifiedCandidate);
+ void impRenderPolygonHairlinePrimitive3D(const primitive3d::PolygonHairlinePrimitive3D& rPrimitive) const;
+ void impRenderPolyPolygonMaterialPrimitive3D(const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive) const;
+ void impRenderTransformPrimitive3D(const primitive3d::TransformPrimitive3D& rTransformCandidate);
+
+
+ // rasterconversions for filled and non-filled polygons. These NEED to be
+ // implemented from derivations
+
+ virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const = 0;
+ virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const = 0;
+
+ // the processing method for a single, known primitive
+ virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive) override;
+
+ public:
+ DefaultProcessor3D(
+ const geometry::ViewInformation3D& rViewInformation,
+ const attribute::SdrSceneAttribute& rSdrSceneAttribute,
+ const attribute::SdrLightingAttribute& rSdrLightingAttribute);
+ virtual ~DefaultProcessor3D() override;
+
+ /// data read access
+ const attribute::SdrSceneAttribute& getSdrSceneAttribute() const { return mrSdrSceneAttribute; }
+ const attribute::SdrLightingAttribute& getSdrLightingAttribute() const { return mrSdrLightingAttribute; }
+
+ /// data read access renderer stuff
+ const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
+ const std::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
+ const std::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
+ sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
+ bool getModulate() const { return mbModulate; }
+ bool getFilter() const { return mbFilter; }
+ bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
+ };
+
+} // end of namespace drawinglayer::processor3d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/inc/processor3d/geometry2dextractor.hxx b/drawinglayer/inc/processor3d/geometry2dextractor.hxx
new file mode 100644
index 000000000..e490ecfc5
--- /dev/null
+++ b/drawinglayer/inc/processor3d/geometry2dextractor.hxx
@@ -0,0 +1,66 @@
+/* -*- 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 <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/color/bcolormodifier.hxx>
+
+
+namespace drawinglayer::processor3d
+ {
+ /** Geometry2DExtractingProcessor class
+
+ This processor extracts the 2D geometry (projected geometry) of all fed primitives.
+ It is e.g. used as sub-processor for contour extraction where 3D geometry is only
+ useful as 2D projected geometry.
+ */
+ class Geometry2DExtractingProcessor final : public BaseProcessor3D
+ {
+ private:
+ /// result holding vector (2D)
+ primitive2d::Primitive2DContainer maPrimitive2DSequence;
+
+ /// object transformation for scene for 2d definition
+ basegfx::B2DHomMatrix maObjectTransformation;
+
+ /// the modifiedColorPrimitive stack
+ basegfx::BColorModifierStack maBColorModifierStack;
+
+ /* as tooling, the process() implementation takes over API handling and calls this
+ virtual render method when the primitive implementation is BasePrimitive3D-based.
+ */
+ virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) override;
+
+ public:
+ Geometry2DExtractingProcessor(
+ const geometry::ViewInformation3D& rViewInformation,
+ const basegfx::B2DHomMatrix& rObjectTransformation);
+
+ // data read access
+ const primitive2d::Primitive2DContainer& getPrimitive2DSequence() const { return maPrimitive2DSequence; }
+ const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+ };
+
+} // end of namespace drawinglayer::processor3d
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/inc/processor3d/shadow3dextractor.hxx b/drawinglayer/inc/processor3d/shadow3dextractor.hxx
new file mode 100644
index 000000000..9fa877fec
--- /dev/null
+++ b/drawinglayer/inc/processor3d/shadow3dextractor.hxx
@@ -0,0 +1,95 @@
+/* -*- 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 <drawinglayer/processor3d/baseprocessor3d.hxx>
+#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+namespace basegfx { class B3DPolyPolygon; }
+namespace basegfx { class B3DPolygon; }
+
+
+namespace drawinglayer::processor3d
+ {
+ /** Shadow3DExtractingProcessor class
+
+ This processor extracts the 2D shadow geometry (projected geometry) of all fed primitives.
+ It is used to create the shadow of 3D objects which consists of 2D geometry. It needs quite
+ some data to do so since we do not only offer flat projected 2D shadow, but also projections
+ dependent on the light source
+ */
+ class Shadow3DExtractingProcessor final : public BaseProcessor3D
+ {
+ private:
+ /// result holding vector (2D) and target vector for stacking (inited to &maPrimitive2DSequence)
+ primitive2d::Primitive2DContainer maPrimitive2DSequence;
+ primitive2d::Primitive2DContainer* mpPrimitive2DSequence;
+
+ /// object transformation for scene for 2d definition
+ basegfx::B2DHomMatrix maObjectTransformation;
+
+ /// prepared data (transformations) for 2D/3D shadow calculations
+ basegfx::B3DHomMatrix maWorldToEye;
+ basegfx::B3DHomMatrix maEyeToView;
+ basegfx::B3DVector maLightNormal;
+ basegfx::B3DVector maShadowPlaneNormal;
+ basegfx::B3DPoint maPlanePoint;
+ double mfLightPlaneScalar;
+
+ /// flag if shadow plane projection preparation led to valid results
+ bool mbShadowProjectionIsValid : 1;
+
+ /// flag if conversion is switched on
+ bool mbConvert : 1;
+
+ /// flag if conversion shall use projection
+ bool mbUseProjection : 1;
+
+ /// local helpers
+ basegfx::B2DPolygon impDoShadowProjection(const basegfx::B3DPolygon& rSource);
+ basegfx::B2DPolyPolygon impDoShadowProjection(const basegfx::B3DPolyPolygon& rSource);
+
+ /* as tooling, the process() implementation takes over API handling and calls this
+ virtual render method when the primitive implementation is BasePrimitive3D-based.
+ */
+ virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) override;
+
+ public:
+ Shadow3DExtractingProcessor(
+ const geometry::ViewInformation3D& rViewInformation,
+ const basegfx::B2DHomMatrix& rObjectTransformation,
+ const basegfx::B3DVector& rLightNormal,
+ double fShadowSlant,
+ const basegfx::B3DRange& rContained3DRange);
+ virtual ~Shadow3DExtractingProcessor() override;
+
+ /// data read access
+ const primitive2d::Primitive2DContainer& getPrimitive2DSequence() const;
+ const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+ const basegfx::B3DHomMatrix& getWorldToEye() const { return maWorldToEye; }
+ };
+
+} // end of namespace drawinglayer::processor3d
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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 <processor3d/defaultprocessor3d.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <memory>
+
+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<ZBufferRasterConverter3D> 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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-14 05:31:01 +0000