fix: fix the issue of output size does not match the crop ratio (#260)

guoyingtao · Jan 30, 2023 · 459aa77 · 459aa77
1 parent 48d2a52
commit 459aa77
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diff --git a/Sources/Mantis/Extensions/CGImageExtensions.swift b/Sources/Mantis/Extensions/CGImageExtensions.swift
@@ -53,8 +53,8 @@ extension CGImage {
         }
 
         guard let context = CGContext(data: nil,
-                                      width: Int(outputSize.width),
-                                      height: Int(outputSize.height),
+                                      width: Int(round(outputSize.width)),
+                                      height: Int(round(outputSize.height)),
                                       bitsPerComponent: bitsPerComponent,
                                       bytesPerRow: bitmapBytesPerRow,
                                       space: colorSpaceRef,

diff --git a/Sources/Mantis/Extensions/UIImageExtensions.swift b/Sources/Mantis/Extensions/UIImageExtensions.swift
@@ -116,8 +116,8 @@ extension UIImage {
         let cropSize = cropInfo.cropSize
         let imageViewSize = cropInfo.imageViewSize
 
-        let expectedWidth = floor(size.width / imageViewSize.width * cropSize.width) / zoomScaleX
-        let expectedHeight = floor(size.height / imageViewSize.height * cropSize.height) / zoomScaleY
+        let expectedWidth = round((size.width / imageViewSize.width * cropSize.width) / zoomScaleX)
+        let expectedHeight = round((size.height / imageViewSize.height * cropSize.height) / zoomScaleY)
 
         return CGSize(width: expectedWidth, height: expectedHeight)
     }