moving imguru from svn to git

ImgProc.mm

@@ -0,0 +1,98 @@
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+
+#import "NSImageAdditions.h"
+
+#include <string>
+#include <vector>
+
+void init()
+{
+	NSApplicationLoad();
+}
+
+void browseTo(std::string url)
+{
+	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+	[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:[NSString stringWithUTF8String:url.c_str()]]];
+	[pool release];
+}
+
+std::string processImage(std::string inputFile, int optImageSize)
+{
+	if (optImageSize == 0)
+		optImageSize = 10000;	
+
+	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+	NSArray* supportedTypes = [NSImage imageTypes];
+
+	NSString* path = [NSString stringWithUTF8String: inputFile.c_str()];
+
+	NSError* error;
+	NSString* fileType = [[NSWorkspace sharedWorkspace] typeOfFile:path error: &error];
+
+	if (![supportedTypes containsObject:fileType])
+		return "";
+
+	NSDictionary* attr = [[NSFileManager defaultManager] attributesOfItemAtPath:path error: &error];
+	bool size = ([[attr objectForKey: NSFileSize] longLongValue] > 2 * 1024 * 1024);
+
+	bool type = (![fileType isEqual:@"com.compuserve.gif"] && ![fileType isEqual:@"public.png"] && ![fileType isEqual:@"public.jpeg"]);
+
+	NSImage* img = [[NSImage alloc] initByReferencingFile:path];
+
+	NSSize sz = [img sizeLargestRepresentation];
+	bool dims =  (sz.width > optImageSize || sz.height > optImageSize);
+
+	std::string res = inputFile;
+
+	if (size || type || dims)
+	{
+		if (dims)
+		{
+			NSImage* newImg = [img imageByScalingProportionallyToSize:NSMakeSize(optImageSize,optImageSize)];
+			[img release];
+			img = [newImg retain];
+		}
+
+		NSBitmapImageFileType newType = NSJPEGFileType;
+
+		if ([fileType isEqual:@"com.compuserve.gif"])
+			newType = NSGIFFileType;
+		if ([fileType isEqual:@"public.png"])
+			newType = NSPNGFileType;
+
+		NSBitmapImageRep* bits = [NSBitmapImageRep imageRepWithData: [img TIFFRepresentation]];			
+		NSData* data = [bits representationUsingType: NSPNGFileType properties: nil];
+
+		NSString* tempTemplate = [NSString stringWithFormat: @"%@XXXXXXXX", NSTemporaryDirectory()];
+
+		char tempFile[PATH_MAX];
+		strcpy(tempFile, [tempTemplate UTF8String]);
+
+		switch (newType)
+		{
+			case NSJPEGFileType: strcat(tempFile, ".jpg"); break;
+			case NSGIFFileType:  strcat(tempFile, ".gif"); break;
+			case NSPNGFileType:  strcat(tempFile, ".png"); break;
+		}
+
+		mktemp(tempFile);
+
+		FILE* fp = fopen(tempFile, "w");
+		if (fp)
+		{
+			fwrite([data bytes], 1, [data length], fp);
+			fclose(fp);
+
+			res = std::string(tempFile);
+		}			
+	}
+
+	[img release];
+
+	[pool release];
+
+	return res;
+}

NSImageAdditions.h

@@ -0,0 +1,32 @@
+//
+//  NSImage+MGCropExtensions.h
+//  ImageCropDemo
+//
+//  Created by Matt Gemmell on 16/03/2006.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface NSImage (ImageAdditions)
+
+typedef enum {
+    MGImageResizeCrop,
+    MGImageResizeCropStart,
+    MGImageResizeCropEnd,
+    MGImageResizeScale
+} MGImageResizingMethod;
+
+- (NSImage*)imageByScalingProportionallyToSize:(NSSize)targetSize;
+- (NSImage*)imageByScalingProportionallyToSize:(NSSize)targetSize background:(NSColor*)bk;
+
+- (void)drawInRect:(NSRect)dstRect operation:(NSCompositingOperation)op fraction:(float)delta method:(MGImageResizingMethod)resizeMethod;
+- (NSImage*)imageToFitSize:(NSSize)size method:(MGImageResizingMethod)resizeMethod;
+- (NSImage*)imageCroppedToFitSize:(NSSize)size;
+- (NSImage*)imageScaledToFitSize:(NSSize)size;
+
+- (NSImageRep*)largestRepresentation; 
+- (NSSize)sizeLargestRepresentation;
+
+- (NSImage*)rotated:(int)angle;
+
+@end