pengyingh

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