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#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
if (argc < 2) {
return ;
}
NSString *inputFile = [NSString stringWithCString:argv[1] encoding:NSUTF8StringEncoding];
CGFloat titleSize = 256;
NSString *outputPath = [inputFile stringByDeletingPathExtension];
NSImage *image = [[NSImage alloc] initWithContentsOfFile:inputFile];
NSSize size = [image size];
NSArray *representations = [image representations];
if ([representations count]) {
NSBitmapImageRep *representation = representations[];
size.width = [representation pixelsWide];
size.height = [representation pixelsHigh];
}
NSRect rect = NSMakeRect(, , size.width, size.height);
CGImageRef imageRef = [image CGImageForProposedRect:&rect context:NULL hints:nil];
NSInteger rows = ceil(size.height/titleSize);
NSInteger cols = ceil(size.width/titleSize);
for (int y =;y<rows;++y) {
for (int x=;x<cols;++x) {
CGRect titleRect = CGRectMake(x*titleSize, y*titleSize, titleSize, titleSize);
CGImageRef titleImage = CGImageCreateWithImageInRect(imageRef, titleRect);
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithCGImage:titleImage];
NSData *data = [imageRep representationUsingType:NSJPEGFileType properties:nil];
CGImageRelease(titleImage);
NSString *path = [outputPath stringByAppendingFormat:@"_%02i_%02i.jpg",x,y];
[data writeToFile:path atomically:NO];
}
}
}
return 0;
int main(int argc, const char * argv[]) {
@autoreleasepool {
if (argc < 2) {
return ;
}
NSString *inputFile = [NSString stringWithCString:argv[1] encoding:NSUTF8StringEncoding];
CGFloat titleSize = 256;
NSString *outputPath = [inputFile stringByDeletingPathExtension];
NSImage *image = [[NSImage alloc] initWithContentsOfFile:inputFile];
NSSize size = [image size];
NSArray *representations = [image representations];
if ([representations count]) {
NSBitmapImageRep *representation = representations[];
size.width = [representation pixelsWide];
size.height = [representation pixelsHigh];
}
NSRect rect = NSMakeRect(, , size.width, size.height);
CGImageRef imageRef = [image CGImageForProposedRect:&rect context:NULL hints:nil];
NSInteger rows = ceil(size.height/titleSize);
NSInteger cols = ceil(size.width/titleSize);
for (int y =;y<rows;++y) {
for (int x=;x<cols;++x) {
CGRect titleRect = CGRectMake(x*titleSize, y*titleSize, titleSize, titleSize);
CGImageRef titleImage = CGImageCreateWithImageInRect(imageRef, titleRect);
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithCGImage:titleImage];
NSData *data = [imageRep representationUsingType:NSJPEGFileType properties:nil];
CGImageRelease(titleImage);
NSString *path = [outputPath stringByAppendingFormat:@"_%02i_%02i.jpg",x,y];
[data writeToFile:path atomically:NO];
}
}
}
return 0;
}
终端运行:
./CutImageAPP 1.jpg