Merge pull request ldiqual#8 from mvelikov/master

Adding clear method to prevent memory leaks

Classes/Tesseract.h

@@ -23,5 +23,6 @@
 - (BOOL)setLanguage:(NSString *)language;
 - (BOOL)recognize;
 - (NSString *)recognizedText;
+- (void)clear;
 
 @end

Classes/Tesseract.mm

@@ -116,6 +116,12 @@ - (NSString *)recognizedText {
     return [NSString stringWithUTF8String:utf8Text];
 }
 
+- (void)clear
+{
+    _tesseract->Clear();
+    _tesseract->End();
+}
+
 - (void)setImage:(UIImage *)image
 {
     free(_pixels);

README.md

@@ -35,6 +35,7 @@ Here is the default workflow to extract text from an image:
  - Set the image to analyze
  - Start recognition
  - Get recognized text
+ - Clear
 
 
 Code Sample
@@ -48,6 +49,7 @@ Code Sample
     [tesseract recognize];
 
     NSLog(@"%@", [tesseract recognizedText]);
+    [tesseract clear];
 
 
 Method reference
@@ -97,3 +99,8 @@ Start text recognition. You might want to launch this process in background with
 
 Get the text extracted from the image.
 
+### -clear ###
+
+`- (void) clear`
+
+Clears Tesseract object after text has been recognized from image. Preventing memory leaks.