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How to convert a Drawable to a Bitmap?
原文：https://stackoverflow.com/questions/3035692/how-to-convert-a-drawable-to-a-bitmap
/**
* This method returns a bitmap related to resource id. It is ready to use method, you can
* use it by simply copying in your project.
*
* @param context Context of calling activity
* @param drawableId Resource ID of bitmap drawable
* @return Bitmap whose resource id was passed to method.
*/
public static Bitmap getBitmapFromDrawableId(Context context,int drawableId){
Bitmap bitmap = null;
try {
BitmapDrawable drawable = (BitmapDrawable)context.getResources().getDrawable(drawableId);
bitmap = drawable.getBitmap();
} catch (Exception e) {
e.printStackTrace();
}
return bitmap;
}
/**
* This method returns a bitmap related to drawable. It is ready to use method, you can
* use it by simply copying in your project.
*
* @param drawable Drawable resource of image
* @return Bitmap whose resource id was passed to method.
*/
public static Bitmap getBitmapFromDrawable(Drawable drawable){
Bitmap bitmap = null;
try {
BitmapDrawable bitmapDrawable = (BitmapDrawable)drawable;
bitmap = bitmapDrawable.getBitmap();
} catch (Exception e) {
e.printStackTrace();
}
return bitmap;
}
最後更新：2017-04-02 15:15:09