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react-native-svg/ios/QuartzBookPack/Image/ImageUtils.h

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Objective-C

/*
Erica Sadun, http://ericasadun.com
Gathered for book examples
*/
#import <UIKit/UIKit.h>
#import <Foundation/Foundation.h>
// 4 bytes per ARGB pixel, 8 bits per byte
#define ARGB_COUNT 4
#define BITS_PER_COMPONENT 8
UIEdgeInsets BuildInsets(CGRect alignmentRect, CGRect imageBounds);
UIImage *BuildSwatchWithColor(UIColor *color, CGFloat side);
UIImage *BuildThumbnail(UIImage *sourceImage, CGSize targetSize, BOOL useFitting);
UIImage *ExtractRectFromImage(UIImage *sourceImage, CGRect subRect);
UIImage *ExtractSubimageFromRect(UIImage *sourceImage, CGRect rect);
UIImage *GrayscaleVersionOfImage(UIImage *sourceImage);
UIImage *InvertImage(UIImage *sourceImage);
NSData *BytesFromRGBImage(UIImage *sourceImage);
UIImage *ImageFromRGBBytes(NSData *data, CGSize targetSize);
void FlipContextVertically(CGSize size);
void FlipContextHorizontally(CGSize size);
void FlipImageContextVertically();
void FlipImageContextHorizontally();
void RotateContext(CGSize size, CGFloat theta);
void MoveContextByVector(CGPoint vector);
UIImage *ImageMirroredVertically(UIImage *image);
void DrawPDFPageInRect(CGPDFPageRef pageRef, CGRect destinationRect);
UIImage *GaussianBlurImage(UIImage *image, CGFloat radius);