improve scaler

Author: awxkee

JxlCoder.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name             = 'JxlCoder'
-    s.version          = '1.2.1'
+    s.version          = '1.2.2'
     s.summary          = 'JXL coder for iOS and MacOS'
     s.description      = 'Provides support for JXL files in iOS and MacOS'
     s.homepage         = 'https://github.com/awxkee/jxl-coder-swift'

Sources/jxlc/JxlInternalCoder.h

@@ -49,9 +49,12 @@ typedef NS_ENUM(NSInteger, JxlSampler)  {
     kNearestNeighbor NS_SWIFT_NAME(nearestNeighbor),
     kBilinear NS_SWIFT_NAME(bilinear),
     kCubic NS_SWIFT_NAME(cubic),
+    kBSpline NS_SWIFT_NAME(bSpline),
     kMitchell NS_SWIFT_NAME(mitchell),
     kLanczos NS_SWIFT_NAME(lanczos),
-    kCatmullRom NS_SWIFT_NAME(catmullRom)
+    kCatmullRom NS_SWIFT_NAME(catmullRom),
+    kHermite NS_SWIFT_NAME(hermite),
+    kHann NS_SWIFT_NAME(hann)
 };
 
 @interface JxlInternalCoder: NSObject

Sources/jxlc/JxlInternalCoder.mm

@@ -290,6 +290,15 @@ - (nullable JXLSystemImage *)decode:(nonnull NSInputStream *)inputStream
                 case kCatmullRom:
                     xSampler = catmullRom;
                     break;
+                case kHermite:
+                    xSampler = hermite;
+                    break;
+                case kBSpline:
+                    xSampler = bSpline;
+                    break;
+                case kHann:
+                    xSampler = hann;
+                    break;
             }
 
             auto scaleResult = [RgbaScaler scaleData:outputData width:(int)xSize height:(int)ySize

Sources/jxlc/XScaler.hpp

@@ -20,6 +20,9 @@ enum XSampler {
     mitchell = 4,
     lanczos = 5,
     catmullRom = 6,
+    hermite = 7,
+    bSpline = 8,
+    hann = 9
 };
 
 void scaleImageFloat16(uint16_t* input,