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/*
* 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 "vtkImageExtractComponents.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkPNGWriter.h"
#include "vtkRenderWindow.h"
#include "vtkRenderer.h"
#include "vtkSphereSource.h"
#include "vtkTesting.h"
#include "vtkTextActor.h"
#include "vtkTextProperty.h"
#include "vtkWindowToImageFilter.h"
#include "vtkAndroidRenderWindowInteractor.h"
#include <android/log.h>
#include <android_native_app_glue.h>
#include <sys/stat.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());
iren->Initialize();
renWin->Render();
renWin->Render();
renWin->Render();
renWin->Render();
renWin->Render();
/**************************************************
* THIS BLOCK IS JUST FOR VTK's REGRESSIONS TESTING
* AND IS NOT NEEDED IN GENERAL
**************************************************/
{
JNIEnv *env;
state->activity->vm->AttachCurrentThread(&env, 0);
jobject me = state->activity->clazz;
jclass acl = env->GetObjectClass(me); //class pointer of NativeActivity
jmethodID giid = env->GetMethodID(acl, "getIntent", "()Landroid/content/Intent;");
jobject intent = env->CallObjectMethod(me, giid); //Got our intent
jclass icl = env->GetObjectClass(intent); //class pointer of Intent
jmethodID gseid = env->GetMethodID(icl, "getStringExtra", "(Ljava/lang/String;)Ljava/lang/String;");
jstring jsParam1 = (jstring)env->CallObjectMethod(intent, gseid, env->NewStringUTF("VTKTesting"));
int testing = 0;
if (jsParam1)
{
const char *Param1 = env->GetStringUTFChars(jsParam1, 0);
testing = !strcmp(Param1,"Testing");
//When done with it, or when you've made a copy
env->ReleaseStringUTFChars(jsParam1, Param1);
}
state->activity->vm->DetachCurrentThread();
if (testing)
{
ANativeActivity* nativeActivity = state->activity;
const char* internalPath = nativeActivity->externalDataPath;
std::string dataPath(internalPath);
// sometimes if this is the first time we run the app
// then we need to create the internal storage "files" directory
struct stat sb;
int32_t res = stat(dataPath.c_str(), &sb);
if (0 == res && sb.st_mode & S_IFDIR)
{
LOGW("'files/' dir already in app's internal data storage.");
}
else if (ENOENT == errno)
{
res = mkdir(dataPath.c_str(), 0774);
}
// internalDataPath points directly to the files/ directory
std::string outputFile = dataPath + "/NativeVTKResult.png";
LOGW(outputFile.c_str());
vtkNew<vtkWindowToImageFilter> rtW2if;
rtW2if->SetInput(renWin.Get());
rtW2if->ReadFrontBufferOff();
rtW2if->SetInputBufferTypeToRGBA();
vtkNew<vtkImageExtractComponents> iec;
iec->SetInputConnection(rtW2if->GetOutputPort());
iec->SetComponents(0,1,2);
vtkNew<vtkPNGWriter> rtPngw;
rtPngw->SetFileName(outputFile.c_str());
rtPngw->SetInputConnection(iec->GetOutputPort());
rtPngw->Write();
//vtkNew<vtkImageDifference> rtId;
vtkNew<vtkTesting> tst;
std::string outputText = dataPath + "/NativeVTKResult.txt";
std::ofstream ofs;
ofs.open(outputText.c_str(),std::ofstream::out);
std::string validFile = dataPath + "/NativeVTKValid.png";
tst->AddArgument("-V");
tst->AddArgument(validFile.c_str());
int result = tst->RegressionTest(outputFile.c_str(),10.0,ofs);
ofs.close();
ANativeActivity_finish(state->activity);
}
}
/*********************************************
* END OF THE REGRESSION TESTING BLOCK
*********************************************/
iren->Start();
}
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