diff --git a/app/src/main/java/com/seu/magicfilter/utils/OpenGlUtils.java b/app/src/main/java/com/seu/magicfilter/utils/OpenGlUtils.java
index 92d7ae9..80d834e 100644
--- a/app/src/main/java/com/seu/magicfilter/utils/OpenGlUtils.java
+++ b/app/src/main/java/com/seu/magicfilter/utils/OpenGlUtils.java
@@ -18,17 +18,17 @@ import android.opengl.GLUtils;
 import android.util.Log;
 
 public class OpenGlUtils {
-	public static final int NO_TEXTURE = -1;
-	public static final int NOT_INIT = -1;	
-	public static final int ON_DRAWN = 1;
-	
-	public static int loadTexture(final Bitmap img, final int usedTexId) {
-		return loadTexture(img, usedTexId, false);
+    public static final int NO_TEXTURE = -1;
+    public static final int NOT_INIT = -1;
+    public static final int ON_DRAWN = 1;
+
+    public static int loadTexture(final Bitmap img, final int usedTexId) {
+        return loadTexture(img, usedTexId, false);
     }
-	
-	public static int loadTexture(final Bitmap img, final int usedTexId, boolean recyled) {
-		if(img == null)
-			return NO_TEXTURE; 
+
+    public static int loadTexture(final Bitmap img, final int usedTexId, boolean recyled) {
+        if(img == null)
+            return NO_TEXTURE;
         int textures[] = new int[1];
         if (usedTexId == NO_TEXTURE) {
             GLES20.glGenTextures(1, textures, 0);
@@ -49,108 +49,108 @@ public class OpenGlUtils {
             textures[0] = usedTexId;
         }
         if(recyled)
-        	img.recycle();
+            img.recycle();
         return textures[0];
     }
-	
-	public static int loadTexture(final Buffer data, final int width,final int height, final int usedTexId) {
-		if(data == null)
-			return NO_TEXTURE;
-	    int textures[] = new int[1];
-	    if (usedTexId == NO_TEXTURE) {
-	        GLES20.glGenTextures(1, textures, 0);
-	        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
-	        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height,
-	                0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
-	    } else {
-	        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
-	        GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, width,
-	                height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
-	        textures[0] = usedTexId;
-	    }
-	    return textures[0];
+
+    public static int loadTexture(final Buffer data, final int width,final int height, final int usedTexId) {
+        if(data == null)
+            return NO_TEXTURE;
+        int textures[] = new int[1];
+        if (usedTexId == NO_TEXTURE) {
+            GLES20.glGenTextures(1, textures, 0);
+            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
+            GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height,
+                    0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
+        } else {
+            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
+            GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, width,
+                    height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, data);
+            textures[0] = usedTexId;
+        }
+        return textures[0];
     }
-    
-	public static int loadTexture(final Buffer data, final int width,final int height, final int usedTexId,final int type) {
-		if(data == null)
-			return NO_TEXTURE;
-	    int textures[] = new int[1];
-	    if (usedTexId == NO_TEXTURE) {
-	        GLES20.glGenTextures(1, textures, 0);
-	        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
-	        GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
-	                GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
-	        GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height,
-	                0, GLES20.GL_RGBA, type, data);
-	    } else {
-	        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
-	        GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, width,
-	                height, GLES20.GL_RGBA, type, data);
-	        textures[0] = usedTexId;
-	    }
-	    return textures[0];
+
+    public static int loadTexture(final Buffer data, final int width,final int height, final int usedTexId,final int type) {
+        if(data == null)
+            return NO_TEXTURE;
+        int textures[] = new int[1];
+        if (usedTexId == NO_TEXTURE) {
+            GLES20.glGenTextures(1, textures, 0);
+            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+            GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
+                    GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
+            GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height,
+                    0, GLES20.GL_RGBA, type, data);
+        } else {
+            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, usedTexId);
+            GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, width,
+                    height, GLES20.GL_RGBA, type, data);
+            textures[0] = usedTexId;
+        }
+        return textures[0];
     }
-    
+
     public static int loadTexture(final Context context, final String name){
-		final int[] textureHandle = new int[1];
-		
-		GLES20.glGenTextures(1, textureHandle, 0);
-		
-		if (textureHandle[0] != 0){
-
-			// Read in the resource
-			final Bitmap bitmap = getImageFromAssetsFile(context,name);
-						
-			// Bind to the texture in OpenGL
-			GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);
-			
-			// Set filtering
-			GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-			GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
-			GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
-			GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
-			// Load the bitmap into the bound texture.
-			GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
-			
-			// Recycle the bitmap, since its data has been loaded into OpenGL.
-			bitmap.recycle();						
-		}
-		
-		if (textureHandle[0] == 0){
-			throw new RuntimeException("Error loading texture.");
-		}
-		
-		return textureHandle[0];
-	}
-	
-	private static Bitmap getImageFromAssetsFile(Context context,String fileName){  
-		Bitmap image = null;  
-	    AssetManager am = context.getResources().getAssets();
-	    try{  
-			InputStream is = am.open(fileName);
-			image = BitmapFactory.decodeStream(is);
-			is.close();
-          	}catch (IOException e){  
-	          e.printStackTrace();  
-	      }  	  
-	      return image;  	  
-	}  
-    
-	public static int loadProgram(final String strVSource, final String strFSource) {
+        final int[] textureHandle = new int[1];
+
+        GLES20.glGenTextures(1, textureHandle, 0);
+
+        if (textureHandle[0] != 0){
+
+            // Read in the resource
+            final Bitmap bitmap = getImageFromAssetsFile(context,name);
+
+            // Bind to the texture in OpenGL
+            GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);
+
+            // Set filtering
+            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+            GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
+            // Load the bitmap into the bound texture.
+            GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
+
+            // Recycle the bitmap, since its data has been loaded into OpenGL.
+            bitmap.recycle();
+        }
+
+        if (textureHandle[0] == 0){
+            throw new RuntimeException("Error loading texture.");
+        }
+
+        return textureHandle[0];
+    }
+
+    private static Bitmap getImageFromAssetsFile(Context context,String fileName){
+        Bitmap image = null;
+        AssetManager am = context.getResources().getAssets();
+        try{
+            InputStream is = am.open(fileName);
+            image = BitmapFactory.decodeStream(is);
+            is.close();
+              }catch (IOException e){
+              e.printStackTrace();
+          }
+          return image;
+    }
+
+    public static int loadProgram(final String strVSource, final String strFSource) {
         int iVShader;
         int iFShader;
         int iProgId;
@@ -179,8 +179,8 @@ public class OpenGlUtils {
         GLES20.glDeleteShader(iFShader);
         return iProgId;
     }
-	
-	private static int loadShader(final String strSource, final int iType) {
+
+    private static int loadShader(final String strSource, final int iType) {
         int[] compiled = new int[1];
         int iShader = GLES20.glCreateShader(iType);
         GLES20.glShaderSource(iShader, strSource);
@@ -192,39 +192,39 @@ public class OpenGlUtils {
         }
         return iShader;
     }
-	
-	public static int getExternalOESTextureID(){		
-		int[] texture = new int[1];
-		GLES20.glGenTextures(1, texture, 0);
-		GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texture[0]);
-		GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
-				GL10.GL_TEXTURE_MIN_FILTER,GL10.GL_LINEAR);        
-		GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
+
+    public static int getExternalOESTextureID(){
+        int[] texture = new int[1];
+        GLES20.glGenTextures(1, texture, 0);
+        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texture[0]);
+        GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
+                GL10.GL_TEXTURE_MIN_FILTER,GL10.GL_LINEAR);
+        GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
                 GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
-		GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
+        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
                 GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
-		GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
+        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
                 GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
-		return texture[0];
-	}
-	
-	public static String readShaderFromRawResource(final int resourceId){
-		final InputStream inputStream = MagicFilterFactory.getCurrentContext().getResources().openRawResource(resourceId);
-		final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
-		final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
-
-		String nextLine;
-		final StringBuilder body = new StringBuilder();
-
-		try{
-			while ((nextLine = bufferedReader.readLine()) != null){
-				body.append(nextLine);
-				body.append('\n');
-			}
-		}
-		catch (IOException e){
-			return null;
-		}
-		return body.toString();
-	}
+        return texture[0];
+    }
+
+    public static String readShaderFromRawResource(final int resourceId){
+        final InputStream inputStream = MagicFilterFactory.getCurrentContext().getResources().openRawResource(resourceId);
+        final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
+        final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
+
+        String nextLine;
+        final StringBuilder body = new StringBuilder();
+
+        try{
+            while ((nextLine = bufferedReader.readLine()) != null){
+                body.append(nextLine);
+                body.append('\n');
+            }
+        }
+        catch (IOException e){
+            return null;
+        }
+        return body.toString();
+    }
 }