default-resolution: Make constants extern. Update test

Author: bamx23

TesseractOCR/G8Tesseract.h

@@ -11,6 +11,21 @@
 #import "G8Constants.h"
 #import "G8TesseractDelegate.h"
 
+/**
+ *  Default value of `sourceResolution` property.
+ */
+extern NSInteger const kG8DefaultResolution;
+
+/**
+ *  Minimum alowed value of `sourceResolution` property.
+ */
+extern NSInteger const kG8MinCredibleResolution;
+
+/**
+ *  Maximum alowed value of `sourceResolution` property.
+ */
+extern NSInteger const kG8MaxCredibleResolution;
+
 /**
  *  `G8Tesseract` encapsulates the Tesseract library and provides properties
  *  and methods for performing text recognition and analysis on a target image.

TesseractOCR/G8Tesseract.mm

@@ -22,9 +22,9 @@
 #import "genericvector.h"
 #import "strngs.h"
 
-static NSInteger const kG8DefaultResolution = 72;
-static NSInteger const kG8MinCredibleResolution = 70;
-static NSInteger const kG8MaxCredibleResolution = 2400;
+NSInteger const kG8DefaultResolution = 72;
+NSInteger const kG8MinCredibleResolution = 70;
+NSInteger const kG8MaxCredibleResolution = 2400;
 
 namespace tesseract {
     class TessBaseAPI;

TestsProject/TestsProjectTests/RecognitionTests.m

@@ -128,11 +128,15 @@
     it(@"Should clamp source resolution", ^{
         [helper setupTesseract];
 
+        [[theValue(helper.tesseract.sourceResolution) should] equal:theValue(kG8DefaultResolution)];
+
         helper.tesseract.sourceResolution = 50;
-        [[theValue(helper.tesseract.sourceResolution) should] beInTheIntervalFrom:theValue(70) to:theValue(2400)];
+        [[theValue(helper.tesseract.sourceResolution) should] beInTheIntervalFrom:theValue(kG8MinCredibleResolution)
+                                                                               to:theValue(kG8MaxCredibleResolution)];
 
         helper.tesseract.sourceResolution = 3000;
-        [[theValue(helper.tesseract.sourceResolution) should] beInTheIntervalFrom:theValue(70) to:theValue(2400)];
+        [[theValue(helper.tesseract.sourceResolution) should] beInTheIntervalFrom:theValue(kG8MinCredibleResolution)
+                                                                               to:theValue(kG8MaxCredibleResolution)];
     });
 
     it(@"Should draw blocks on image", ^{