163 lines
4.5 KiB
C++
163 lines
4.5 KiB
C++
/* SPDX-FileCopyrightText: 2008-2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup freestyle
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*/
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#include <iostream>
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#include "AppConfig.h"
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#include "AppView.h"
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#include "Controller.h"
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#include "../scene_graph/LineRep.h"
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#include "../scene_graph/NodeLight.h"
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#include "../scene_graph/NodeShape.h"
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#include "../scene_graph/VertexRep.h"
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#include "../stroke/Canvas.h"
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#include "../system/StringUtils.h"
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#include "../view_map/Silhouette.h"
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#include "../view_map/ViewMap.h"
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#include "BLI_math_rotation.h"
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#include "IMB_imbuf.hh"
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#include "IMB_imbuf_types.hh"
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#if 1 // FRS_antialiasing
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# include "BKE_global.hh"
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# include "DNA_scene_types.h"
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#endif
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#include "FRS_freestyle.h"
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namespace Freestyle {
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AppView::AppView(const char * /*iName*/)
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{
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_Fovy = DEG2RADF(30.0f);
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_ModelRootNode = new NodeDrawingStyle;
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_SilhouetteRootNode = new NodeDrawingStyle;
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_DebugRootNode = new NodeDrawingStyle;
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_RootNode.AddChild(_ModelRootNode);
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_SilhouetteRootNode->setStyle(DrawingStyle::LINES);
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_SilhouetteRootNode->setLightingEnabled(false);
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_SilhouetteRootNode->setLineWidth(2.0f);
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_SilhouetteRootNode->setPointSize(3.0f);
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_RootNode.AddChild(_SilhouetteRootNode);
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_DebugRootNode->setStyle(DrawingStyle::LINES);
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_DebugRootNode->setLightingEnabled(false);
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_DebugRootNode->setLineWidth(1.0f);
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_RootNode.AddChild(_DebugRootNode);
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_minBBox = std::min(
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std::min(_ModelRootNode->bbox().getMin()[0], _ModelRootNode->bbox().getMin()[1]),
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_ModelRootNode->bbox().getMin()[2]);
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_maxBBox = std::max(
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std::max(_ModelRootNode->bbox().getMax()[0], _ModelRootNode->bbox().getMax()[1]),
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_ModelRootNode->bbox().getMax()[2]);
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_maxAbs = std::max(rabs(_minBBox), rabs(_maxBBox));
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_minAbs = std::min(rabs(_minBBox), rabs(_maxBBox));
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_p2DSelectionNode = new NodeDrawingStyle;
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_p2DSelectionNode->setLightingEnabled(false);
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_p2DSelectionNode->setStyle(DrawingStyle::LINES);
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_p2DSelectionNode->setLineWidth(5.0f);
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_p2DNode.AddChild(_p2DSelectionNode);
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NodeLight *light = new NodeLight;
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_Light.AddChild(light);
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}
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AppView::~AppView()
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{
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/*int ref =*//* UNUSED */ _RootNode.destroy();
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_Light.destroy();
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/*ref =*//* UNUSED */ _p2DNode.destroy();
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}
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real AppView::distanceToSceneCenter()
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{
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BBox<Vec3r> bbox = _ModelRootNode->bbox();
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Vec3r v(UNPACK3(g_freestyle.viewpoint));
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v -= 0.5 * (bbox.getMin() + bbox.getMax());
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return v.norm();
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}
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real AppView::znear()
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{
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BBox<Vec3r> bbox = _ModelRootNode->bbox();
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Vec3r u = bbox.getMin();
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Vec3r v = bbox.getMax();
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Vec3r cameraCenter(UNPACK3(g_freestyle.viewpoint));
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Vec3r w1(u[0], u[1], u[2]);
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Vec3r w2(v[0], u[1], u[2]);
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Vec3r w3(u[0], v[1], u[2]);
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Vec3r w4(v[0], v[1], u[2]);
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Vec3r w5(u[0], u[1], v[2]);
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Vec3r w6(v[0], u[1], v[2]);
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Vec3r w7(u[0], v[1], v[2]);
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Vec3r w8(v[0], v[1], v[2]);
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real _znear = std::min(
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(w1 - cameraCenter).norm(),
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std::min((w2 - cameraCenter).norm(),
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std::min((w3 - cameraCenter).norm(),
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std::min((w4 - cameraCenter).norm(),
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std::min((w5 - cameraCenter).norm(),
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std::min((w6 - cameraCenter).norm(),
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std::min((w7 - cameraCenter).norm(),
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(w8 - cameraCenter).norm())))))));
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return std::max(_znear, 0.001);
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}
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real AppView::zfar()
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{
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BBox<Vec3r> bbox = _ModelRootNode->bbox();
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Vec3r u = bbox.getMin();
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Vec3r v = bbox.getMax();
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Vec3r cameraCenter(UNPACK3(g_freestyle.viewpoint));
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Vec3r w1(u[0], u[1], u[2]);
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Vec3r w2(v[0], u[1], u[2]);
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Vec3r w3(u[0], v[1], u[2]);
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Vec3r w4(v[0], v[1], u[2]);
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Vec3r w5(u[0], u[1], v[2]);
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Vec3r w6(v[0], u[1], v[2]);
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Vec3r w7(u[0], v[1], v[2]);
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Vec3r w8(v[0], v[1], v[2]);
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real _zfar = std::max(
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(w1 - cameraCenter).norm(),
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std::max((w2 - cameraCenter).norm(),
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std::max((w3 - cameraCenter).norm(),
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std::max((w4 - cameraCenter).norm(),
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std::max((w5 - cameraCenter).norm(),
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std::max((w6 - cameraCenter).norm(),
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std::max((w7 - cameraCenter).norm(),
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(w8 - cameraCenter).norm())))))));
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return _zfar;
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}
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real AppView::GetFocalLength()
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{
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real Near = std::max(0.1, (real)(-2.0f * _maxAbs + distanceToSceneCenter()));
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return Near;
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}
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} /* namespace Freestyle */
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