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