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mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-06-05 11:24:17 +03:00

779 lines
25 KiB
Java

// Copyright (c) 2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
package com.opencascade.jnisample;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.text.Html;
import android.text.Html.ImageGetter;
import android.text.Spanned;
import android.util.TypedValue;
import android.view.Display;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.view.ViewGroup.LayoutParams;
import android.widget.TextView;
import android.widget.Toast;
//! Main activity
public class OcctJniActivity extends Activity implements OnClickListener
{
//! Auxiliary method to print temporary info messages
public static void printShortInfo (Activity theActivity,
CharSequence theInfo)
{
Context aCtx = theActivity.getApplicationContext();
Toast aToast = Toast.makeText (aCtx, theInfo, Toast.LENGTH_LONG);
aToast.show();
}
//! Load single native library
private static boolean loadLibVerbose (String theLibName,
StringBuilder theLoadedInfo,
StringBuilder theFailedInfo)
{
try
{
System.loadLibrary (theLibName);
theLoadedInfo.append ("Info: native library \"");
theLoadedInfo.append (theLibName);
theLoadedInfo.append ("\" has been loaded\n");
return true;
}
catch (java.lang.UnsatisfiedLinkError theError)
{
theFailedInfo.append ("Error: native library \"");
theFailedInfo.append (theLibName);
theFailedInfo.append ("\" is unavailable:\n " + theError.getMessage());
return false;
}
catch (SecurityException theError)
{
theFailedInfo.append ("Error: native library \"");
theFailedInfo.append (theLibName);
theFailedInfo.append ("\" can not be loaded for security reasons:\n " + theError.getMessage());
return false;
}
}
public static boolean wasNativesLoadCalled = false;
public static boolean areNativeLoaded = false;
public static String nativeLoaded = "";
public static String nativeFailed = "";
//! Auxiliary method to load native libraries
public boolean loadNatives()
{
if (wasNativesLoadCalled)
{
return areNativeLoaded;
}
wasNativesLoadCalled = true;
StringBuilder aLoaded = new StringBuilder();
StringBuilder aFailed = new StringBuilder();
// copy OCCT resources
String aResFolder = getFilesDir().getAbsolutePath();
copyAssetFolder (getAssets(), "Shaders", aResFolder + "/Shaders");
copyAssetFolder (getAssets(), "SHMessage", aResFolder + "/SHMessage");
copyAssetFolder (getAssets(), "XSMessage", aResFolder + "/XSMessage");
copyAssetFolder (getAssets(), "TObj", aResFolder + "/TObj");
copyAssetFolder (getAssets(), "UnitsAPI", aResFolder + "/UnitsAPI");
// C++ runtime
loadLibVerbose ("gnustl_shared", aLoaded, aFailed);
// 3rd-parties
loadLibVerbose ("freetype", aLoaded, aFailed);
loadLibVerbose ("freeimage", aLoaded, aFailed);
if (// OCCT modeling
!loadLibVerbose ("TKernel", aLoaded, aFailed)
|| !loadLibVerbose ("TKMath", aLoaded, aFailed)
|| !loadLibVerbose ("TKG2d", aLoaded, aFailed)
|| !loadLibVerbose ("TKG3d", aLoaded, aFailed)
|| !loadLibVerbose ("TKGeomBase", aLoaded, aFailed)
|| !loadLibVerbose ("TKBRep", aLoaded, aFailed)
|| !loadLibVerbose ("TKGeomAlgo", aLoaded, aFailed)
|| !loadLibVerbose ("TKTopAlgo", aLoaded, aFailed)
|| !loadLibVerbose ("TKShHealing", aLoaded, aFailed)
|| !loadLibVerbose ("TKMesh", aLoaded, aFailed)
// exchange
|| !loadLibVerbose ("TKPrim", aLoaded, aFailed)
|| !loadLibVerbose ("TKBO", aLoaded, aFailed)
|| !loadLibVerbose ("TKBool", aLoaded, aFailed)
|| !loadLibVerbose ("TKFillet", aLoaded, aFailed)
|| !loadLibVerbose ("TKOffset", aLoaded, aFailed)
|| !loadLibVerbose ("TKXSBase", aLoaded, aFailed)
|| !loadLibVerbose ("TKIGES", aLoaded, aFailed)
|| !loadLibVerbose ("TKSTEPBase", aLoaded, aFailed)
|| !loadLibVerbose ("TKSTEPAttr", aLoaded, aFailed)
|| !loadLibVerbose ("TKSTEP209", aLoaded, aFailed)
|| !loadLibVerbose ("TKSTEP", aLoaded, aFailed)
// OCCT Visualization
|| !loadLibVerbose ("TKService", aLoaded, aFailed)
|| !loadLibVerbose ("TKHLR", aLoaded, aFailed)
|| !loadLibVerbose ("TKV3d", aLoaded, aFailed)
|| !loadLibVerbose ("TKOpenGl", aLoaded, aFailed)
// application code
|| !loadLibVerbose ("TKJniSample", aLoaded, aFailed))
{
nativeLoaded = aLoaded.toString();
nativeFailed = aFailed.toString();
areNativeLoaded = false;
//exitWithError (theActivity, "Broken apk?\n" + theFailedInfo);
return false;
}
nativeLoaded = aLoaded.toString();
areNativeLoaded = true;
return true;
}
//! Create activity
@Override protected void onCreate (Bundle theBundle)
{
super.onCreate (theBundle);
boolean isLoaded = loadNatives();
if (!isLoaded)
{
printShortInfo (this, nativeFailed);
OcctJniLogger.postMessage (nativeLoaded + "\n" + nativeFailed);
}
setContentView (R.layout.activity_main);
myOcctView = (OcctJniView )findViewById (R.id.custom_view);
myMessageTextView = (TextView )findViewById (R.id.message_view);
OcctJniLogger.setTextView (myMessageTextView);
createViewAndButtons (Configuration.ORIENTATION_LANDSCAPE);
myButtonPreferSize = defineButtonSize ((LinearLayout )findViewById (R.id.panel_menu));
ImageButton aScrollBtn = (ImageButton )findViewById (R.id.scroll_btn);
aScrollBtn.setY (myButtonPreferSize);
aScrollBtn.setOnTouchListener (new View.OnTouchListener()
{
@Override
public boolean onTouch (View theView, MotionEvent theEvent)
{
return onScrollBtnTouch (theView, theEvent);
}
});
onConfigurationChanged (getResources().getConfiguration());
Intent anIntent = getIntent();
Uri aDataUrl = anIntent != null ? anIntent.getData() : null;
String aDataPath = aDataUrl != null ? aDataUrl.getPath() : "";
myOcctView.open (aDataPath);
myLastPath = aDataPath;
}
//! Handle scroll events
private boolean onScrollBtnTouch (View theView,
MotionEvent theEvent)
{
switch (theEvent.getAction())
{
case MotionEvent.ACTION_DOWN:
{
LinearLayout aPanelMenu = (LinearLayout )findViewById (R.id.panel_menu);
boolean isLandscape = (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE);
if (aPanelMenu.getVisibility() == View.VISIBLE)
{
aPanelMenu.setVisibility (View.GONE);
if (!isLandscape)
{
((ImageButton )theView).setImageResource (R.drawable.open_p);
theView.setY (0);
}
else
{
((ImageButton )theView).setImageResource (R.drawable.open_l);
theView.setX (0);
}
}
else
{
aPanelMenu.setVisibility (View.VISIBLE);
if (!isLandscape)
{
((ImageButton )theView).setImageResource (R.drawable.close_p);
theView.setY (myButtonPreferSize);
}
else
{
((ImageButton )theView).setImageResource (R.drawable.close_l);
theView.setX (myButtonPreferSize);
}
}
break;
}
}
return false;
}
//! Initialize views and buttons
private void createViewAndButtons (int theOrientation)
{
// open button
ImageButton anOpenButton = (ImageButton )findViewById (R.id.open);
anOpenButton.setOnClickListener (this);
// fit all
ImageButton aFitAllButton = (ImageButton )findViewById (R.id.fit);
aFitAllButton.setOnClickListener (this);
aFitAllButton.setOnTouchListener (new View.OnTouchListener()
{
@Override
public boolean onTouch (View theView, MotionEvent theEvent)
{
return onTouchButton (theView, theEvent);
}
});
// message
ImageButton aMessageButton = (ImageButton )findViewById (R.id.message);
aMessageButton.setOnClickListener (this);
// info
ImageButton anInfoButton = (ImageButton )findViewById (R.id.info);
anInfoButton.setOnClickListener (this);
// font for text view
TextView anInfoView = (TextView )findViewById (R.id.info_view);
anInfoView.setTextSize (TypedValue.COMPLEX_UNIT_SP, 18);
// add submenu buttons
createSubmenuBtn (R.id.view, R.id.view_group,
Arrays.asList (R.id.proj_front, R.id.proj_top, R.id.proj_left,
R.id.proj_back, R.id.proj_bottom, R.id.proj_right),
Arrays.asList (R.drawable.proj_front, R.drawable.proj_top, R.drawable.proj_left,
R.drawable.proj_back, R.drawable.proj_bottom, R.drawable.proj_right),
4);
}
@Override protected void onNewIntent (Intent theIntent)
{
super.onNewIntent (theIntent);
setIntent (theIntent);
}
@Override protected void onDestroy()
{
super.onDestroy();
OcctJniLogger.setTextView (null);
}
@Override protected void onPause()
{
super.onPause();
myOcctView.onPause();
}
@Override protected void onResume()
{
super.onResume();
myOcctView.onResume();
Intent anIntent = getIntent();
Uri aDataUrl = anIntent != null ? anIntent.getData() : null;
String aDataPath = aDataUrl != null ? aDataUrl.getPath() : "";
if (!aDataPath.equals (myLastPath))
{
myOcctView.open (aDataPath);
myLastPath = aDataPath;
}
}
//! Copy folder from assets
private boolean copyAssetFolder (AssetManager theAssetMgr,
String theAssetFolder,
String theFolderPathTo)
{
try
{
String[] aFiles = theAssetMgr.list (theAssetFolder);
File aFolder = new File (theFolderPathTo);
aFolder.mkdirs();
boolean isOk = true;
for (String aFileIter : aFiles)
{
if (aFileIter.contains ("."))
{
isOk &= copyAsset (theAssetMgr,
theAssetFolder + "/" + aFileIter,
theFolderPathTo + "/" + aFileIter);
}
else
{
isOk &= copyAssetFolder (theAssetMgr,
theAssetFolder + "/" + aFileIter,
theFolderPathTo + "/" + aFileIter);
}
}
return isOk;
}
catch (Exception theError)
{
theError.printStackTrace();
return false;
}
}
//! Copy single file from assets
private boolean copyAsset (AssetManager theAssetMgr,
String thePathFrom,
String thePathTo)
{
try
{
InputStream aStreamIn = theAssetMgr.open (thePathFrom);
File aFileTo = new File (thePathTo);
aFileTo.createNewFile();
OutputStream aStreamOut = new FileOutputStream (thePathTo);
copyStreamContent (aStreamIn, aStreamOut);
aStreamIn.close();
aStreamIn = null;
aStreamOut.flush();
aStreamOut.close();
aStreamOut = null;
return true;
}
catch (Exception theError)
{
theError.printStackTrace();
return false;
}
}
//! Copy single file
private static void copyStreamContent (InputStream theIn,
OutputStream theOut) throws IOException
{
byte[] aBuffer = new byte[1024];
int aNbReadBytes = 0;
while ((aNbReadBytes = theIn.read (aBuffer)) != -1)
{
theOut.write (aBuffer, 0, aNbReadBytes);
}
}
//! Show/hide text view
private void switchTextView (TextView theTextView,
ImageButton theClickedBtn,
boolean theToSwitchOn)
{
if (theTextView != null
&& theTextView.getVisibility() == View.GONE
&& theToSwitchOn)
{
theTextView.setVisibility (View.VISIBLE);
theClickedBtn.setBackgroundColor (getResources().getColor(R.color.pressedBtnColor));
setTextViewPosition (theTextView);
}
else
{
theTextView.setVisibility (View.GONE);
theClickedBtn.setBackgroundColor (getResources().getColor (R.color.btnColor));
}
}
//! Setup text view position
private void setTextViewPosition (TextView theTextView)
{
if (theTextView.getVisibility() != View.VISIBLE)
{
return;
}
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
{
theTextView.setX (myButtonPreferSize);
theTextView.setY (0);
}
else
{
theTextView.setX (0);
theTextView.setY (myButtonPreferSize);
}
}
@Override
public void onClick (View theButton)
{
ImageButton aClickedBtn = (ImageButton )theButton;
switch (aClickedBtn.getId())
{
case R.id.message:
{
switchTextView ((TextView )findViewById (R.id.info_view),
(ImageButton )findViewById (R.id.info), false);
switchTextView (myMessageTextView, aClickedBtn, true);
return;
}
case R.id.info:
{
String aText = getString (R.string.info_html);
aText = String.format (aText, cppOcctMajorVersion(), cppOcctMinorVersion(), cppOcctMicroVersion());
Spanned aSpanned = Html.fromHtml (aText, new ImageGetter()
{
@Override
public Drawable getDrawable (String theSource)
{
Resources aResources = getResources();
int anId = aResources.getIdentifier (theSource, "drawable", getPackageName());
Drawable aRes = aResources.getDrawable (anId);
aRes.setBounds (0, 0, aRes.getIntrinsicWidth(), aRes.getIntrinsicHeight());
return aRes;
}
}, null);
TextView anInfoView = (TextView )findViewById (R.id.info_view);
anInfoView.setText (aSpanned);
switchTextView (myMessageTextView, (ImageButton ) findViewById (R.id.message), false);
switchTextView (anInfoView, aClickedBtn, true);
return;
}
case R.id.fit:
{
myOcctView.fitAll();
return;
}
case R.id.proj_front:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Xpos);
return;
}
case R.id.proj_left:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Yneg);
return;
}
case R.id.proj_top:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Zpos);
return;
}
case R.id.proj_back:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Xneg);
return;
}
case R.id.proj_right:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Ypos);
return;
}
case R.id.proj_bottom:
{
myOcctView.setProj (OcctJniRenderer.TypeOfOrientation.Zneg);
return;
}
case R.id.open:
{
File aPath = Environment.getExternalStorageDirectory();
aClickedBtn.setBackgroundColor (getResources().getColor(R.color.pressedBtnColor));
if (myFileOpenDialog == null)
{
myFileOpenDialog = new OcctJniFileDialog (this, aPath);
myFileOpenDialog.setFileEndsWith (".brep");
myFileOpenDialog.setFileEndsWith (".rle");
myFileOpenDialog.setFileEndsWith (".iges");
myFileOpenDialog.setFileEndsWith (".igs");
myFileOpenDialog.setFileEndsWith (".step");
myFileOpenDialog.setFileEndsWith (".stp");
myFileOpenDialog.addFileListener (new OcctJniFileDialog.FileSelectedListener()
{
public void fileSelected (File theFile)
{
if (theFile != null && myOcctView != null)
{
myOcctView.open (theFile.getPath());
}
}
});
myFileOpenDialog.addDialogDismissedListener (new OcctJniFileDialog.DialogDismissedListener()
{
@Override
public void dialogDismissed()
{
ImageButton openButton = (ImageButton )findViewById (R.id.open);
openButton.setBackgroundColor (getResources().getColor(R.color.btnColor));
}
});
}
myFileOpenDialog.showDialog();
return;
}
}
}
private void createSubmenuBtn (int theParentBtnId,
int theParentLayoutId,
final List<Integer> theNewButtonIds,
final List<Integer> theNewButtonImageIds,
int thePosition)
{
int aPosInList = 0;
final ImageButton aParentBtn = (ImageButton )findViewById (theParentBtnId);
ViewGroup.LayoutParams aParams = null;
LinearLayout parentLayout = (LinearLayout ) findViewById (theParentLayoutId);
for (Integer newButtonId : theNewButtonIds)
{
ImageButton aNewButton = (ImageButton )findViewById (newButtonId);
if (aNewButton == null)
{
aNewButton = (ImageButton )new ImageButton (this);
aNewButton.setId (newButtonId);
aNewButton.setImageResource (theNewButtonImageIds.get (aPosInList));
aNewButton.setLayoutParams (aParams);
parentLayout.addView (aNewButton);
}
aNewButton.setOnClickListener (this);
aNewButton.setVisibility (View.GONE);
aNewButton.setOnTouchListener (new View.OnTouchListener()
{
@Override
public boolean onTouch (View theView, MotionEvent theEvent)
{
return onTouchButton (theView, theEvent);
}
});
++aPosInList;
}
if (aParentBtn != null)
{
aParentBtn.setOnTouchListener (null);
aParentBtn.setOnTouchListener (new View.OnTouchListener()
{
@Override
public boolean onTouch (View theView, MotionEvent theEvent)
{
if (theEvent.getAction () == MotionEvent.ACTION_DOWN)
{
Boolean isVisible = false;
for (Integer aNewButtonId : theNewButtonIds)
{
ImageButton anBtn = (ImageButton )findViewById (aNewButtonId);
if (anBtn != null)
{
if (anBtn.getVisibility() == View.GONE)
{
anBtn.setVisibility (View.VISIBLE);
isVisible = true;
}
else
{
anBtn.setVisibility (View.GONE);
}
}
}
aParentBtn.setBackgroundColor (!isVisible ? getResources().getColor(R.color.btnColor) : getResources().getColor(R.color.pressedBtnColor));
}
return false;
}
});
}
}
//! Implements onTouch functionality
private boolean onTouchButton (View theView,
MotionEvent theEvent)
{
switch (theEvent.getAction())
{
case MotionEvent.ACTION_DOWN:
((ImageButton )theView).setBackgroundColor (getResources().getColor (R.color.pressedBtnColor));
break;
case MotionEvent.ACTION_UP:
((ImageButton )theView).setBackgroundColor (getResources().getColor (R.color.btnColor));
break;
}
return false;
}
//! Handle configuration change event
@Override
public void onConfigurationChanged (Configuration theNewConfig)
{
super.onConfigurationChanged (theNewConfig);
LinearLayout aLayoutPanelMenu = (LinearLayout )findViewById (R.id.panel_menu);
LayoutParams aPanelMenuLayoutParams = aLayoutPanelMenu.getLayoutParams();
LinearLayout aLayoutViewGroup = (LinearLayout )findViewById (R.id.view_group);
LayoutParams aViewGroupLayoutParams = aLayoutViewGroup.getLayoutParams();
ImageButton aScrollBtn = (ImageButton )findViewById (R.id.scroll_btn);
LayoutParams aScrollBtnLayoutParams = aScrollBtn.getLayoutParams();
myButtonPreferSize = defineButtonSize ((LinearLayout )findViewById (R.id.panel_menu));
defineButtonSize ((LinearLayout )findViewById (R.id.view_group));
switch (theNewConfig.orientation)
{
case Configuration.ORIENTATION_PORTRAIT:
{
setHorizontal (aLayoutPanelMenu, aPanelMenuLayoutParams);
setHorizontal (aLayoutViewGroup, aViewGroupLayoutParams);
aLayoutViewGroup.setGravity (Gravity.BOTTOM);
aScrollBtnLayoutParams.height = LayoutParams.WRAP_CONTENT;
aScrollBtnLayoutParams.width = LayoutParams.MATCH_PARENT;
aScrollBtn.setLayoutParams (aScrollBtnLayoutParams);
if (aLayoutPanelMenu.getVisibility() == View.VISIBLE)
{
aScrollBtn.setImageResource (R.drawable.close_p);
aScrollBtn.setY (myButtonPreferSize);
aScrollBtn.setX (0);
}
else
{
aScrollBtn.setImageResource (R.drawable.open_p);
aScrollBtn.setY (0);
aScrollBtn.setX (0);
}
break;
}
case Configuration.ORIENTATION_LANDSCAPE:
{
setVertical (aLayoutPanelMenu, aPanelMenuLayoutParams);
setVertical (aLayoutViewGroup, aViewGroupLayoutParams);
aLayoutViewGroup.setGravity (Gravity.RIGHT);
aScrollBtnLayoutParams.height = LayoutParams.MATCH_PARENT;
aScrollBtnLayoutParams.width = LayoutParams.WRAP_CONTENT;
aScrollBtn.setLayoutParams (aScrollBtnLayoutParams);
if (aLayoutPanelMenu.getVisibility() == View.VISIBLE)
{
aScrollBtn.setImageResource (R.drawable.close_l);
aScrollBtn.setX (myButtonPreferSize);
aScrollBtn.setY (0);
}
else
{
aScrollBtn.setImageResource (R.drawable.open_l);
aScrollBtn.setY (0);
aScrollBtn.setX (0);
}
break;
}
}
setTextViewPosition (myMessageTextView);
setTextViewPosition ((TextView )findViewById (R.id.info_view));
}
private void setHorizontal (LinearLayout theLayout,
LayoutParams theLayoutParams)
{
theLayout.setOrientation (LinearLayout.HORIZONTAL);
theLayoutParams.height = LayoutParams.WRAP_CONTENT;
theLayoutParams.width = LayoutParams.MATCH_PARENT;
theLayout.setLayoutParams (theLayoutParams);
}
private void setVertical (LinearLayout theLayout,
LayoutParams theLayoutParams)
{
theLayout.setOrientation (LinearLayout.VERTICAL);
theLayoutParams.height = LayoutParams.MATCH_PARENT;
theLayoutParams.width = LayoutParams.WRAP_CONTENT;
theLayout.setLayoutParams (theLayoutParams);
}
//! Define button size
private int defineButtonSize (LinearLayout theLayout)
{
boolean isLandscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
Display aDisplay = getWindowManager().getDefaultDisplay();
Point aDispPnt = new Point();
aDisplay.getSize (aDispPnt);
int aNbChildren = theLayout.getChildCount();
int aHeight = aDispPnt.y / aNbChildren;
int aWidth = aDispPnt.x / aNbChildren;
int aResultSize = 0;
for (int aChildIter = 0; aChildIter < aNbChildren; ++aChildIter)
{
View aView = theLayout.getChildAt (aChildIter);
if (aView instanceof ImageButton)
{
ImageButton aButton = (ImageButton )aView;
if (isLandscape)
{
aButton.setMinimumWidth (aHeight);
}
else
{
aButton.setMinimumHeight (aWidth);
}
}
}
if (isLandscape)
{
aResultSize = aHeight;
}
else
{
aResultSize = aWidth;
}
return aResultSize;
}
//! OCCT major version
private native long cppOcctMajorVersion();
//! OCCT minor version
private native long cppOcctMinorVersion();
//! OCCT micro version
private native long cppOcctMicroVersion();
private OcctJniView myOcctView;
private TextView myMessageTextView;
private String myLastPath;
private OcctJniFileDialog myFileOpenDialog;
private int myButtonPreferSize = 65;
}