2014/10/15 下午 10:12:27

iphone Programming Glossary: pagerect

CGContextDrawPDFPage taking up large amounts of memory

http://stackoverflow.com/questions/2975240/cgcontextdrawpdfpage-taking-up-large-amounts-of-memory

g CGPDFBox box kCGPDFMediaBox CGAffineTransform t CGPDFPageGetDrawingTransform m_page box rect 0 YES CGRect pageRect CGPDFPageGetBoxRect m_page box Start the drawing CGContextSaveGState g Clip to our bounding box CGContextClipToRect g pageRect.. CGPDFPageGetBoxRect m_page box Start the drawing CGContextSaveGState g Clip to our bounding box CGContextClipToRect g pageRect Now we have to flip the origin to top left instead of bottom left First flip y axix CGContextScaleCTM g 1 1 Second move..

Get PDF hyperlinks on iOS with Quartz

http://stackoverflow.com/questions/4080373/get-pdf-hyperlinks-on-ios-with-quartz

coords 1 coords 2 coords 3 CGPDFInteger pageRotate 0 CGPDFDictionaryGetInteger pageDictionary Rotate pageRotate CGRect pageRect CGRectIntegral CGPDFPageGetBoxRect page kCGPDFMediaBox if pageRotate 90 pageRotate 270 CGFloat temp pageRect.size.width.. CGRect pageRect CGRectIntegral CGPDFPageGetBoxRect page kCGPDFMediaBox if pageRotate 90 pageRotate 270 CGFloat temp pageRect.size.width pageRect.size.width pageRect.size.height pageRect.size.height temp rect.size.width rect.origin.x rect.size.height.. CGPDFPageGetBoxRect page kCGPDFMediaBox if pageRotate 90 pageRotate 270 CGFloat temp pageRect.size.width pageRect.size.width pageRect.size.height pageRect.size.height temp rect.size.width rect.origin.x rect.size.height rect.origin.y..

iOS SDK - Programmatically generate a PDF file

http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file

way to write to a PDF file having to calculate where lines and other objects will be placed. void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef.. Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to.. url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 pageRect.size.width..

Rendering a CGPDFPage into a UIImage

http://stackoverflow.com/questions/4639781/rendering-a-cgpdfpage-into-a-uiimage

page Changed this line for the line above which is a generic line CGPDFPageRef page self getPage page_number CGRect pageRect CGPDFPageGetBoxRect page kCGPDFMediaBox CGFloat pdfScale width pageRect.size.width pageRect.size CGSizeMake pageRect.size.width.. page self getPage page_number CGRect pageRect CGPDFPageGetBoxRect page kCGPDFMediaBox CGFloat pdfScale width pageRect.size.width pageRect.size CGSizeMake pageRect.size.width pdfScale pageRect.size.height pdfScale pageRect.origin CGPointZero.. getPage page_number CGRect pageRect CGPDFPageGetBoxRect page kCGPDFMediaBox CGFloat pdfScale width pageRect.size.width pageRect.size CGSizeMake pageRect.size.width pdfScale pageRect.size.height pdfScale pageRect.origin CGPointZero UIGraphicsBeginImageContext..

AVAssetWriter multiple sessions and the status property

http://stackoverflow.com/questions/4911534/avassetwriter-multiple-sessions-and-the-status-property

PDF Generation From UIScrollView + iphone

http://stackoverflow.com/questions/5268943/pdf-generation-from-uiscrollview-iphone

cancelButtonTitle @ Close otherButtonTitles nil failureAlert show failureAlert release void CreatePDFFileAma CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it some code here CGContextRef pdfContext.. Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Starts our first page CGContextBeginPage pdfContext pageRect.. myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 768 1024..

Creating pdf Thumbnail in iphone

http://stackoverflow.com/questions/5658993/creating-pdf-thumbnail-in-iphone

CGPDFDocumentRef documentRef CGPDFPageRef pageRef CGPDFDocumentGetPage documentRef 1 CGRect pageRect CGPDFPageGetBoxRect pageRef kCGPDFCropBox UIGraphicsBeginImageContext pageRect.size CGContextRef context UIGraphicsGetCurrentContext.. documentRef 1 CGRect pageRect CGPDFPageGetBoxRect pageRef kCGPDFCropBox UIGraphicsBeginImageContext pageRect.size CGContextRef context UIGraphicsGetCurrentContext CGContextTranslateCTM context CGRectGetMinX pageRect CGRectGetMaxY.. pageRect.size CGContextRef context UIGraphicsGetCurrentContext CGContextTranslateCTM context CGRectGetMinX pageRect CGRectGetMaxY pageRect CGContextScaleCTM context 1 1 CGContextTranslateCTM context pageRect.origin.x pageRect.origin.y CGContextDrawPDFPage..

Convert html file to PDF Document in iOS using Cocoa-Touch

http://stackoverflow.com/questions/6316192/convert-html-file-to-pdf-document-in-ios-using-cocoa-touch

two parameters a CGRect for size and a const char which will be the name of our pdf file void CreatePDFFile CGRect pageRect const char filename This code block sets up our PDF Context so that we can draw to it CGContextRef pdfContext CFStringRef.. Context with the CFURL the CGRect we provide and the above defined dictionary pdfContext CGPDFContextCreateWithURL url pageRect myDictionary Cleanup our mess CFRelease myDictionary CFRelease url Done creating our PDF Context now it's time to draw to.. url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 pageRect.size.width..