* This function converts an Android Bitmap image to the OpenCV Mat.
* <br>The 'ARGB_8888' and 'RGB_565' input Bitmap formats are supported.
* <br>'ARGB_8888' and 'RGB_565' input Bitmap formats are supported.
* <br>The output Mat is always created of the same size as the input Bitmap and of the 'CV_8UC4' type,
* it keeps the image in RGBA format.
* <br>This function throws an exception if the conversion fails.
* @param bmp is a valid input Bitmap object of the type 'ARGB_8888' or 'RGB_565'.
* @param mat is a valid output Mat object, it will be reallocated if needed, so it may be empty.
* @param unPremultiplyAlpha is a flag if the bitmap needs to be converted from alpha premultiplied format (like Android keeps 'ARGB_8888' ones) to regular one. This flag is ignored for 'RGB_565' bitmaps.
* @param unPremultiplyAlpha is a flag, that determines, whether the bitmap needs to be converted from alpha premultiplied format (like Android keeps 'ARGB_8888' ones) to regular one; this flag is ignored for 'RGB_565' bitmaps.
* Short form of the bitmapToMat(bmp, mat, unPremultiplyAlpha=false).
* @param bmp is a valid input Bitmap object of the type 'ARGB_8888' or 'RGB_565'.
* @param mat is a valid output Mat object, it will be reallocated if needed, so it's possible to pass an empty Mat.
* @param mat is a valid output Mat object, it will be reallocated if needed, so Mat may be empty.
*/
publicstaticvoidbitmapToMat(Bitmapbmp,Matmat){
bitmapToMat(bmp,mat,false);
...
...
@@ -106,14 +106,14 @@ public class Utils {
/**
* Converts OpenCV Mat to Android Bitmap.
* <p>
* <br>The function converts an image in the OpenCV Mat representation to the Android Bitmap.
* <br>This function converts an image in the OpenCV Mat representation to the Android Bitmap.
* <br>The input Mat object has to be of the types 'CV_8UC1' (gray-scale), 'CV_8UC3' (RGB) or 'CV_8UC4' (RGBA).
* <br>The output Bitmap object has to be of the same size as the input Mat and of the types 'ARGB_8888' or 'RGB_565'.
* <br>The function throws an exception if the conversion fails.
* <br>This function throws an exception if the conversion fails.
*
* @param mat is a valid input Mat object of the types 'CV_8UC1', 'CV_8UC3' or 'CV_8UC4'.
* @param bmp is a valid Bitmap object of the same size as the Mat m and of type 'ARGB_8888' or 'RGB_565'.
* @param premultiplyAlpha is a flag if the Mat needs to be converted to alpha premultiplied format (like Android keeps 'ARGB_8888' bitmaps). The flag is ignored for 'RGB_565' bitmaps.
* @param mat is a valid input Mat object of types 'CV_8UC1', 'CV_8UC3' or 'CV_8UC4'.
* @param bmp is a valid Bitmap object of the same size as the Mat and of type 'ARGB_8888' or 'RGB_565'.
* @param premultiplyAlpha is a flag, that determines, whether the Mat needs to be converted to alpha premultiplied format (like Android keeps 'ARGB_8888' bitmaps); the flag is ignored for 'RGB_565' bitmaps.