pengyingh

摘要： AUIEventobject (or, simply, an event object) represents an event in iOS. There are three general types of event: touch events, motion events, and remote-control events. Remote-control events allow a responder object to receive commands from an external accessory or headset so that it can manage ma.. 阅读全文

摘要： Ever since I got the video feed working on my Packbot OCU application the reds and the blues have been swapped, giving the video feed a weird spacey look and totally cramping my style. Apparently the data is sent this way because leaving it in BGR format reduces the load for the Packbot's onboar 阅读全文

摘要： Converting from UIImage/CGImage to Leptonica Pix structureUIImage *image = [UIImage imageNamed:@"test.png"];...CFDataRef imageData = CGDataProviderCopyData(CGImageGetDataProvider([image CGImage]));const UInt8 *rasterData = CFDataGetBytePtr(data); /*----------------------------------------- 阅读全文

摘要： FileStream MyFileStream; long FileSize; MyFileStream = new FileStream=("c:\\a.doc",FileMode.Open); FileSize = MyFileStream.Length; byte[] Buffer = new byte[(int)FileSize]; MyFileStream.Read(Buffer, 0, (int)FileSize); MyFileStream.Close(); Response.AddHeader("Content-Disposition", 阅读全文

摘要： //// network.h// AUOiWay_Mobile//// Created by Mahmood1 on 2/21/12.// Copyright (c) 2012 __MyCompanyName__. All rights reserved.//#import<UIKit/UIKit.h>#define SUPPORTS_IOKIT_EXTENSIONS 1/** To use, you must add the (semi)public IOKit framework before compiling*/#if SUPPORTS_IOKIT_EXTENSIONS@i 阅读全文

摘要： /* * The MIT License * * Copyright (c) 2011 Paul Solt, PaulSolt@gmail.com * * https://github.com/PaulSolt/UIImage-Conversion/blob/master/MITLicense.txt * */#import <Foundation/Foundation.h>@interface ImageHelper : NSObject { }/** Converts a UIImage to RGBA8 bitmap. @param image - a UIImage to 阅读全文

摘要： My Postcards app has a design screen where you can change colors of things, so I needed a color picker. A very easy way to make a color picker on just about any platform is to make some kind of color pallet image file, display it for the user to click on, and do a call like: getPixelColorAtScreenLoc 阅读全文

摘要： http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphoneMethod 1: Writable Pixel InformationI defined constants#define RGBA 4#define RGBA_8_BIT 8In my UIImage subclass I declared instance variables:size_t bytesPerRow;size_t byteCount;size_t pi... 阅读全文

摘要： /**检查某点是否包含在多边形的范围内(只用与判断在多边形内部，不包含点在多边形边上的情况)~*/- (BOOL) checkPointWithinPolygon:(PolyVerticesWrapper*)pvw point:(b2Vec2)point { intverticesCount = [pvwverticesCount]; b2Vec2*ptPolygon = [pvwvertices]; intnCross =0; for(inti = 0; i < verticesCount; ++ i) { floatj = ptPolygon[i].x; floatk... 阅读全文

摘要： - (void)saveImageWithData:(NSData*)jpeg andDictionary:(NSDictionary*)dicRef andName:(NSString*)name{ [self setCapturedImageName:name]; CGImageSourceRef source ; // Notice here how I use __bridge source = CGImageSourceCreateWithData((__bridge CFDataRef)jpeg, NULL); CFStringRef UTI = C... 阅读全文