Support decimal format

Author: lminhtm

LMGaugeView.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name             = "LMGaugeView"
-  s.version          = "1.0.4"
+  s.version          = "1.0.5"
   s.summary          = "LMGaugeView is a simple and customizable gauge control for iOS."
   s.homepage         = "https://github.com/lminhtm/LMGaugeView"
   s.license          = 'MIT'

LMGaugeView/LMGaugeView.h

@@ -48,6 +48,11 @@ IB_DESIGNABLE
  */
 @property (nonatomic, assign) IBInspectable CGFloat ringThickness;
 
+/*!
+ *  A boolean indicates whether to show ring background.
+ */
+@property (nonatomic, assign) IBInspectable BOOL showRingBackground;
+
 /*!
  *  The background color of the ring.
  */
@@ -138,6 +143,11 @@ IB_DESIGNABLE
  */
 @property (nonatomic, strong) IBInspectable UIColor *unitOfMeasurementTextColor;
 
+/*!
+ *  A boolean indicates whether to show decimal value.
+ */
+@property (nonatomic, assign) IBInspectable BOOL decimalFormat;
+
 /*!
  *  The receiver of all gauge view delegate callbacks.
  */

LMGaugeView/LMGaugeView.m

@@ -95,6 +95,7 @@ - (void)initialize
     _numOfSubDivisions = kDefaultNumOfSubDivisions;
 
     // Ring
+    _showRingBackground = YES;
     _ringThickness = kDefaultRingThickness;
     _ringBackgroundColor = kDefaultRingBackgroundColor;
 
@@ -165,11 +166,13 @@ - (void)drawRect:(CGRect)rect
     /*!
      *  Draw the ring background
      */
-    CGContextSetLineWidth(context, self.ringThickness);
-    CGContextBeginPath(context);
-    CGContextAddArc(context, center.x, center.y, ringRadius, 0, M_PI * 2, 0);
-    CGContextSetStrokeColorWithColor(context, [self.ringBackgroundColor colorWithAlphaComponent:0.3].CGColor);
-    CGContextStrokePath(context);
+    if (self.showRingBackground) {
+        CGContextSetLineWidth(context, self.ringThickness);
+        CGContextBeginPath(context);
+        CGContextAddArc(context, center.x, center.y, ringRadius, 0, M_PI * 2, 0);
+        CGContextSetStrokeColorWithColor(context, [self.ringBackgroundColor colorWithAlphaComponent:0.3].CGColor);
+        CGContextStrokePath(context);
+    }
 
     /*!
      *  Draw the ring progress background
@@ -264,10 +267,15 @@ - (void)drawRect:(CGRect)rect
         self.valueLabel = [[UILabel alloc] init];
         self.valueLabel.backgroundColor = [UIColor clearColor];
         self.valueLabel.textAlignment = NSTextAlignmentCenter;
-        self.valueLabel.text = [NSString stringWithFormat:@"%0.f", self.value];
+        if (self.decimalFormat) {
+            self.valueLabel.text = [NSString stringWithFormat:@"%.1f", self.value];
+        }
+        else {
+            self.valueLabel.text = [NSString stringWithFormat:@"%0.f", self.value];
+        }
         self.valueLabel.font = self.valueFont;
         self.valueLabel.adjustsFontSizeToFitWidth = YES;
-        self.valueLabel.minimumScaleFactor = 10/self.valueLabel.font.pointSize;
+        self.valueLabel.minimumScaleFactor = 0.5;
         self.valueLabel.textColor = self.valueTextColor;
         [self addSubview:self.valueLabel];
     }
@@ -288,7 +296,7 @@ - (void)drawRect:(CGRect)rect
     }
     self.minValueLabel.text = [NSString stringWithFormat:@"%0.f", self.minValue];
     self.minValueLabel.font = self.minMaxValueFont;
-    self.minValueLabel.minimumScaleFactor = 10/self.minValueLabel.font.pointSize;
+    self.minValueLabel.minimumScaleFactor = 0.5;
     self.minValueLabel.textColor = self.minMaxValueTextColor;
     self.minValueLabel.hidden = !self.showMinMaxValue;
     CGPoint minDotCenter = CGPointMake(dotRadius * cos(self.startAngle) + center.x, dotRadius * sin(self.startAngle) + center.y);
@@ -307,7 +315,7 @@ - (void)drawRect:(CGRect)rect
     }
     self.maxValueLabel.text = [NSString stringWithFormat:@"%0.f", self.maxValue];
     self.maxValueLabel.font = self.minMaxValueFont;
-    self.maxValueLabel.minimumScaleFactor = 10/self.maxValueLabel.font.pointSize;
+    self.maxValueLabel.minimumScaleFactor = 0.5;
     self.maxValueLabel.textColor = self.minMaxValueTextColor;
     self.maxValueLabel.hidden = !self.showMinMaxValue;
     CGPoint maxDotCenter = CGPointMake(dotRadius * cos(self.endAngle) + center.x, dotRadius * sin(self.endAngle) + center.y);
@@ -324,7 +332,7 @@ - (void)drawRect:(CGRect)rect
         self.unitOfMeasurementLabel.text = self.unitOfMeasurement;
         self.unitOfMeasurementLabel.font = self.unitOfMeasurementFont;
         self.unitOfMeasurementLabel.adjustsFontSizeToFitWidth = YES;
-        self.unitOfMeasurementLabel.minimumScaleFactor = 10/self.unitOfMeasurementLabel.font.pointSize;
+        self.unitOfMeasurementLabel.minimumScaleFactor = 0.5;
         self.unitOfMeasurementLabel.textColor = self.unitOfMeasurementTextColor;
         [self addSubview:self.unitOfMeasurementLabel];
         self.unitOfMeasurementLabel.hidden = !self.showUnitOfMeasurement;
@@ -367,7 +375,12 @@ - (void)setValue:(CGFloat)value
     /*!
      *  Set text for value label
      */
-    self.valueLabel.text = [NSString stringWithFormat:@"%0.f", _value];
+    if (self.decimalFormat) {
+        self.valueLabel.text = [NSString stringWithFormat:@"%.1f", _value];
+    }
+    else {
+        self.valueLabel.text = [NSString stringWithFormat:@"%0.f", _value];
+    }
 
     /*!
      *  Trigger the stoke animation of ring layer.
@@ -516,7 +529,6 @@ - (void)setValueFont:(UIFont *)valueFont
         _valueFont = valueFont;
 
         self.valueLabel.font = _valueFont;
-        self.valueLabel.minimumScaleFactor = 10/_valueFont.pointSize;
     }
 }
 
@@ -580,7 +592,6 @@ - (void)setUnitOfMeasurementFont:(UIFont *)unitOfMeasurementFont
         _unitOfMeasurementFont = unitOfMeasurementFont;
 
         self.unitOfMeasurementLabel.font = _unitOfMeasurementFont;
-        self.unitOfMeasurementLabel.minimumScaleFactor = 10/_unitOfMeasurementFont.pointSize;
     }
 }
 

LMGaugeViewDemo/LMGaugeViewDemo.xcodeproj/project.xcworkspace/xcuserdata/lminh.xcuserdatad/UserInterfaceState.xcuserstate

@@ -17,11 +17,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.4</string>
+	<string>1.0.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>40</string>
+	<string>50</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>