src/com/owncloud/android/ui/preview/ImageViewCustom.java

   1 package com.owncloud.android.ui.preview;
   2
   3 import android.annotation.SuppressLint;
   4 import android.content.Context;
   5 import android.graphics.Bitmap;
   6 import android.graphics.Canvas;
   7 import android.os.Build;
   8 import android.util.AttributeSet;
   9 import android.view.View;
  10 import android.widget.ImageView;
  11
  12 import com.owncloud.android.lib.common.utils.Log_OC;
  13
  14 public class ImageViewCustom extends ImageView {
  15
  16     private static final boolean IS_ICS_OR_HIGHER = Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
  17
  18     private Bitmap mBitmap;
  19
  20
  21     public ImageViewCustom(Context context) {
  22         super(context);
  23     }
  24
  25     public ImageViewCustom(Context context, AttributeSet attrs) {
  26         super(context, attrs);
  27     }
  28
  29     public ImageViewCustom(Context context, AttributeSet attrs, int defStyle) {
  30         super(context, attrs, defStyle);
  31     }
  32
  33     @SuppressLint("NewApi")
  34         @Override
  35     protected void onDraw(Canvas canvas) {
  36
  37         if(IS_ICS_OR_HIGHER && checkIfMaximumBitmapExceed(canvas)) {
  38             // Set layer type to software one for avoiding exceed
  39             // and problems in visualization
  40             setLayerType(View.LAYER_TYPE_SOFTWARE, null);
  41         }
  42
  43         super.onDraw(canvas);
  44     }
  45
  46     /**
  47      * Checks if current bitmaps exceed the maximum OpenGL texture size limit
  48      * @param bitmap
  49      * @return boolean
  50      */
  51     @SuppressLint("NewApi")
  52         private boolean checkIfMaximumBitmapExceed(Canvas canvas) {
  53         Log_OC.d("OC", "Canvas maximum: " + canvas.getMaximumBitmapWidth() + " - " + canvas.getMaximumBitmapHeight());
  54         if (mBitmap!= null && (mBitmap.getWidth() > canvas.getMaximumBitmapWidth()
  55                 || mBitmap.getHeight() > canvas.getMaximumBitmapHeight())) {
  56             return true;
  57         }
  58
  59         return false;
  60     }
  61
  62     /**
  63      * Set current bitmap
  64      * @param bitmap
  65      */
  66     public void setBitmap (Bitmap bitmap) {
  67         mBitmap = bitmap;
  68     }
  69
  70 }