2011-03-03 14 views

答えて

5

は、PDFを作成するための優れたオープンソースのAPIをtheresの。 PDFにテキスト、画像、ヘッダーを追加してPDFを送信するか、ファイルに保存することができます。 APIは、あなたがそれについて質問がある場合は、サポートは素晴らしいですhttp://code.google.com/p/pdf-api-iphonesdk/wiki/PDFAPI であり、

0
- (IBAction)generatePdfButtonPressed:(id)sender 
{ 
    pageSize = CGSizeMake(612, 792); 
    NSString *fileName = @"Demo.pdf"; 
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); 
    NSString *documentsDirectory = [paths objectAtIndex:0]; 
    NSString *pdfFileName = [documentsDirectory stringByAppendingPathComponent:fileName]; 

    [self generatePdfWithFilePath:pdfFileName]; 
} 
- (void) generatePdfWithFilePath: (NSString *)thefilePath 
{ 
    UIGraphicsBeginPDFContextToFile(thefilePath, CGRectZero, nil); 

    NSInteger currentPage = 0; 
    BOOL done = NO; 
    do 
    { 
     // Mark the beginning of a new page. 
     UIGraphicsBeginPDFPageWithInfo(CGRectMake(0, 0, pageSize.width, pageSize.height), nil); 

     // Draw a page number at the bottom of each page. 
     currentPage++; 
     [self drawPageNumber:currentPage]; 

     //Draw a border for each page. 
     [self drawBorder]; 

     //Draw text fo our header. 
     [self drawHeader]; 

     //Draw a line below the header. 
     [self drawLine]; 

     //Draw some text for the page. 
     [self drawText]; 

     //Draw an image 
     [self drawImage]; 
     done = YES; 
    } 
    while (!done); 

    // Close the PDF context and write the contents out. 
    UIGraphicsEndPDFContext(); 
} 
- (void) drawBorder 
{ 
    CGContextRef currentContext = UIGraphicsGetCurrentContext(); 
    UIColor *borderColor = [UIColor brownColor]; 
    CGRect rectFrame = CGRectMake(kBorderInset, kBorderInset, pageSize.width-kBorderInset*2, pageSize.height-kBorderInset*2); 
    CGContextSetStrokeColorWithColor(currentContext, borderColor.CGColor); 
    CGContextSetLineWidth(currentContext, kBorderWidth); 
    CGContextStrokeRect(currentContext, rectFrame); 
} 
- (void) drawLine 
{ 
    CGContextRef currentContext = UIGraphicsGetCurrentContext(); 

    CGContextSetLineWidth(currentContext, kLineWidth); 

    CGContextSetStrokeColorWithColor(currentContext, [UIColor blueColor].CGColor); 

    CGPoint startPoint = CGPointMake(kMarginInset + kBorderInset, kMarginInset + kBorderInset + 40.0); 
    CGPoint endPoint = CGPointMake(pageSize.width - 2*kMarginInset -2*kBorderInset, kMarginInset + kBorderInset + 40.0); 

    CGContextBeginPath(currentContext); 
    CGContextMoveToPoint(currentContext, startPoint.x, startPoint.y); 
    CGContextAddLineToPoint(currentContext, endPoint.x, endPoint.y); 

    CGContextClosePath(currentContext); 
    CGContextDrawPath(currentContext, kCGPathFillStroke); 
} 
- (void) drawText 
{ 
    CGContextRef currentContext = UIGraphicsGetCurrentContext(); 
    CGContextSetRGBFillColor(currentContext, 0.0, 0.0, 0.0, 1.0); 

    NSString *textToDraw = @"Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. Nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id quod mazim placerat facer possim assum. Typi non habent claritatem insitam; est usus legentis in iis qui facit eorum claritatem. Investigationes demonstraverunt lectores legere me lius quod ii legunt saepius. Claritas est etiam processus dynamicus, qui sequitur mutationem consuetudium lectorum. Mirum est notare quam littera gothica, quam nunc putamus parum claram, anteposuerit litterarum formas humanitatis per seacula quarta decima et quinta decima. Eodem modo typi, qui nunc nobis videntur parum clari, fiant sollemnes in futurum."; 

    UIFont *font = [UIFont systemFontOfSize:14.0]; 

    CGSize stringSize = [textToDraw sizeWithFont:font 
           constrainedToSize:CGSizeMake(pageSize.width - 2*kBorderInset-2*kMarginInset, pageSize.height - 2*kBorderInset - 2*kMarginInset) 
            lineBreakMode:UILineBreakModeWordWrap]; 

    CGRect renderingRect = CGRectMake(kBorderInset + kMarginInset, kBorderInset + kMarginInset + 50.0, pageSize.width - 2*kBorderInset - 2*kMarginInset, stringSize.height); 

    [textToDraw drawInRect:renderingRect 
        withFont:font 
      lineBreakMode:UILineBreakModeWordWrap 
       alignment:UITextAlignmentLeft]; 
} 
- (void) drawImage 
{ 
    UIImage * demoImage = [UIImage imageNamed:@"demo.png"]; 
    [demoImage drawInRect:CGRectMake((pageSize.width - demoImage.size.width/2)/2, 350, demoImage.size.width/2, demoImage.size.height/2)]; 
} 
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