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feat: Set initial zoom level of the cropper #1942

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feat: Set initial zoom level of the cropper #1942

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,7 @@ ImagePicker.clean().then(() => {
| cropperCancelText (ios only) | string (default Cancel) | Cancel button text |
| cropperCancelColor (ios only) | string (default tint `iOS` color ) | HEX format color for the Cancel button. Default value is the default tint iOS color [controlled by TOCropViewController](https://github.com/TimOliver/TOCropViewController/blob/a942414508012b13102f776eb65dac655f31cabb/Objective-C/TOCropViewController/Views/TOCropToolbar.m#L433) |
| cropperRotateButtonsHidden (ios only)  |           bool (default false)        | Enable or disable cropper rotate buttons |
| cropperInitialZoom (ios only)  |           number (default 1)        | Set initial zoom level of the cropper |


#### Smart Album Types (ios)
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8 changes: 8 additions & 0 deletions index.d.ts
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Expand Up @@ -286,6 +286,14 @@ declare module "react-native-image-crop-picker" {
*/
cropperRotateButtonsHidden?: boolean

/**
* Initial zoom level of the cropper.
*
* @platform iOS only
* @default 1
*/
cropperInitialZoom?: number

/**
* Whether to show the 3x3 grid on top of the image during cropping.
*
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10 changes: 10 additions & 0 deletions ios/src/ImageCropPicker.m
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Expand Up @@ -72,6 +72,7 @@ - (instancetype)init
@"sortOrder": @"none",
@"cropperCancelText": @"Cancel",
@"cropperChooseText": @"Choose",
@"cropperInitialZoom": @1,
@"cropperRotateButtonsHidden": @NO
};
self.compression = [[Compression alloc] init];
Expand Down Expand Up @@ -900,6 +901,15 @@ - (void)cropImage:(UIImage *)image {
NSString* rawDoneButtonColor = [self.options objectForKey:@"cropperChooseColor"];
NSString* rawCancelButtonColor = [self.options objectForKey:@"cropperCancelColor"];

CGFloat zoomRatio = [[self.options objectForKey:@"cropperInitialZoom"] floatValue];
if (zoomRatio > 1) {
CGFloat cropWidth = image.size.width - image.size.width / zoomRatio;
CGFloat cropHeight = image.size.width - image.size.height / zoomRatio;
CGFloat cropX = (image.size.width - cropWidth) / 2;
CGFloat cropY = (image.size.height - cropHeight) / 2;
cropVC.imageCropFrame = CGRectMake(cropX, cropY, cropWidth, cropHeight);
}

if (rawDoneButtonColor) {
cropVC.doneButtonColor = [ImageCropPicker colorFromHexString: rawDoneButtonColor];
}
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