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

104 lines
3.0 KiB
C++

/*
* 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 "vtkNew.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 "vtkAndroidRenderWindowInteractor.h"
#include <android/log.h>
#include <android_native_app_glue.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__))
/**
* This is the main entry point of a native application that is using
* android_native_app_glue. It runs in its own thread, with its own
* event loop for receiving input events and doing other things.
*/
void android_main(struct android_app* state)
{
// Make sure glue isn't stripped.
app_dummy();
vtkNew<vtkRenderWindow> renWin;
vtkNew<vtkRenderer> renderer;
vtkNew<vtkAndroidRenderWindowInteractor> iren;
// this line is key, it provides the android
// state to VTK
iren->SetAndroidApplication(state);
renWin->AddRenderer(renderer.Get());
iren->SetRenderWindow(renWin.Get());
vtkNew<vtkSphereSource> sphere;
sphere->SetThetaResolution(8);
sphere->SetPhiResolution(8);
vtkNew<vtkPolyDataMapper> sphereMapper;
sphereMapper->SetInputConnection(sphere->GetOutputPort());
vtkNew<vtkActor> sphereActor;
sphereActor->SetMapper(sphereMapper.Get());
vtkNew<vtkConeSource> cone;
cone->SetResolution(6);
vtkNew<vtkGlyph3D> glyph;
glyph->SetInputConnection(sphere->GetOutputPort());
glyph->SetSourceConnection(cone->GetOutputPort());
glyph->SetVectorModeToUseNormal();
glyph->SetScaleModeToScaleByVector();
glyph->SetScaleFactor(0.25);
vtkNew<vtkPolyDataMapper> spikeMapper;
spikeMapper->SetInputConnection(glyph->GetOutputPort());
vtkNew<vtkActor> spikeActor;
spikeActor->SetMapper(spikeMapper.Get());
renderer->AddActor(sphereActor.Get());
renderer->AddActor(spikeActor.Get());
renderer->SetBackground(0.4,0.5,0.6);
vtkNew<vtkTextActor> ta;
ta->SetInput("Droids Rock");
ta->GetTextProperty()->SetColor( 0.5, 1.0, 0.0 );
ta->SetDisplayPosition(50,50);
ta->GetTextProperty()->SetFontSize(32);
renderer->AddActor(ta.Get());
renWin->Render();
iren->Start();
}