Files
ThirdParty-6/ParaView-5.0.1/VTK/Examples/Android/VolumeRender/jni/main.cxx

233 lines
7.5 KiB
C++

/*=========================================================================
Program: Visualization Toolkit
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <jni.h>
#include <errno.h>
#include <sstream>
#include "vtkNew.h"
#define SYNTHETIC 1
#ifdef SYNTHETIC
#include "vtkImageCast.h"
#include "vtkRTAnalyticSource.h"
#else
#include "vtkNrrdReader.h"
#endif
#include "vtkOpenGLGPUVolumeRayCastMapper.h"
#include "vtkVolumeProperty.h"
#include "vtkColorTransferFunction.h"
#include "vtkPiecewiseFunction.h"
#include "vtkVolume.h"
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkConeSource.h"
#include "vtkDebugLeaks.h"
#include "vtkGlyph3D.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRenderWindow.h"
#include "vtkRenderer.h"
#include "vtkSphereSource.h"
#include "vtkTextActor.h"
#include "vtkTextProperty.h"
#include "vtkImageData.h"
#include "vtkPointData.h"
#include "vtkAndroidRenderWindowInteractor.h"
#include "vtkCommand.h"
#include <android/log.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "NativeVTK", __VA_ARGS__))
#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "NativeVTK", __VA_ARGS__))
extern "C" {
JNIEXPORT jlong JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_init(JNIEnv * env, jobject obj, jint width, jint height);
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_render(JNIEnv * env, jobject obj, jlong renWinP);
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_onKeyEvent(JNIEnv * env, jobject obj, jlong udp,
jboolean down, jint keyCode, jint metaState, jint repeatCount
);
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_onMotionEvent(JNIEnv * env, jobject obj, jlong udp,
jint action,
jint eventPointer,
jint numPtrs,
jfloatArray xPos, jfloatArray yPos,
jintArray ids, jint metaState);
};
struct userData
{
vtkRenderWindow *RenderWindow;
vtkRenderer *Renderer;
vtkAndroidRenderWindowInteractor *Interactor;
};
/*
* Here is where you would setup your pipeline and other normal VTK logic
*/
JNIEXPORT jlong JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_init(JNIEnv * env, jobject obj, jint width, jint height)
{
vtkRenderWindow *renWin = vtkRenderWindow::New();
char jniS[4] = {'j','n','i',0};
renWin->SetWindowInfo(jniS); // tell the system that jni owns the window not us
renWin->SetSize(width,height);
vtkNew<vtkRenderer> renderer;
renWin->AddRenderer(renderer.Get());
vtkNew<vtkAndroidRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
vtkNew<vtkOpenGLGPUVolumeRayCastMapper> volumeMapper;
vtkNew<vtkPiecewiseFunction> pwf;
#ifdef SYNTHETIC
vtkNew<vtkRTAnalyticSource> wavelet;
wavelet->SetWholeExtent(-63, 64,
-63, 64,
-63, 64);
wavelet->SetCenter(0.0, 0.0, 0.0);
vtkNew<vtkImageCast> ic;
ic->SetInputConnection(wavelet->GetOutputPort());
ic->SetOutputScalarTypeToUnsignedChar();
volumeMapper->SetInputConnection(ic->GetOutputPort());
pwf->AddPoint(0, 0);
pwf->AddPoint(255, 0.1);
#else
vtkNew<vtkNrrdReader> mi;
mi->SetFileName("/sdcard/CT-chest-quantized.nrrd");
mi->Update();
double range[2];
mi->GetOutput()->GetPointData()->GetScalars()->GetRange(range);
LOGI("Min %f Max %f type %s", range[0], range[1], mi->GetOutput()->GetScalarTypeAsString());
volumeMapper->SetInputConnection(mi->GetOutputPort());
double tweak = 80.0;
pwf->AddPoint(0, 0);
pwf->AddPoint(255*(67.0106+tweak)/3150.0, 0);
pwf->AddPoint(255*(251.105+tweak)/3150.0, 0.3);
pwf->AddPoint(255*(439.291+tweak)/3150.0, 0.5);
pwf->AddPoint(255*3071/3150.0, 0.616071);
#endif
volumeMapper->SetAutoAdjustSampleDistances(1);
volumeMapper->SetSampleDistance(0.5);
vtkNew<vtkVolumeProperty> volumeProperty;
volumeProperty->SetShade(1);
volumeProperty->SetInterpolationTypeToLinear();
vtkNew<vtkColorTransferFunction> ctf;
ctf->AddRGBPoint(0, 0, 0, 0);
ctf->AddRGBPoint(255*67.0106/3150.0, 0.54902, 0.25098, 0.14902);
ctf->AddRGBPoint(255*251.105/3150.0, 0.882353, 0.603922, 0.290196);
ctf->AddRGBPoint(255*439.291/3150.0, 1, 0.937033, 0.954531);
ctf->AddRGBPoint(255*3071/3150.0, 0.827451, 0.658824, 1);
volumeProperty->SetColor(ctf.GetPointer());
volumeProperty->SetScalarOpacity(pwf.GetPointer());
vtkNew<vtkVolume> volume;
volume->SetMapper(volumeMapper.GetPointer());
volume->SetProperty(volumeProperty.GetPointer());
renderer->SetBackground2(0.2,0.3,0.4);
renderer->SetBackground(0.1,0.1,0.1);
renderer->GradientBackgroundOn();
renderer->AddVolume(volume.GetPointer());
renderer->ResetCamera();
// renderer->GetActiveCamera()->Zoom(1.4);
renderer->GetActiveCamera()->Zoom(0.7);
struct userData *foo = new struct userData();
foo->RenderWindow = renWin;
foo->Renderer = renderer.Get();
foo->Interactor = iren.Get();
return (jlong)foo;
}
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_render(JNIEnv * env, jobject obj, jlong udp)
{
struct userData *foo = (userData *)(udp);
foo->RenderWindow->SwapBuffersOff(); // android does it
foo->RenderWindow->Render();
foo->RenderWindow->SwapBuffersOn(); // reset
}
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_onKeyEvent(JNIEnv * env, jobject obj, jlong udp,
jboolean down, jint keyCode, jint metaState, jint repeatCount)
{
struct userData *foo = (userData *)(udp);
foo->Interactor->HandleKeyEvent(down, keyCode, metaState, repeatCount);
}
JNIEXPORT void JNICALL Java_com_kitware_VolumeRender_VolumeRenderLib_onMotionEvent(JNIEnv * env, jobject obj, jlong udp,
jint action,
jint eventPointer,
jint numPtrs,
jfloatArray xPos, jfloatArray yPos,
jintArray ids, jint metaState)
{
struct userData *foo = (userData *)(udp);
int xPtr[VTKI_MAX_POINTERS];
int yPtr[VTKI_MAX_POINTERS];
int idPtr[VTKI_MAX_POINTERS];
// only allow VTKI_MAX_POINTERS touches right now
if (numPtrs > VTKI_MAX_POINTERS)
{
numPtrs = VTKI_MAX_POINTERS;
}
// fill in the arrays
jfloat *xJPtr = env->GetFloatArrayElements(xPos, 0);
jfloat *yJPtr = env->GetFloatArrayElements(yPos, 0);
jint *idJPtr = env->GetIntArrayElements(ids, 0);
for (int i = 0; i < numPtrs; ++i)
{
xPtr[i] = (int)xJPtr[i];
yPtr[i] = (int)yJPtr[i];
idPtr[i] = idJPtr[i];
}
env->ReleaseIntArrayElements(ids, idJPtr, 0);
env->ReleaseFloatArrayElements(xPos, xJPtr, 0);
env->ReleaseFloatArrayElements(yPos, yJPtr, 0);
foo->Interactor->HandleMotionEvent(action, eventPointer, numPtrs, xPtr, yPtr, idPtr, metaState);
}