ViewController.h
#import <UIKit/UIKit.h>
#define kPadding 20
@interface ViewController : UIViewController
{
CGSize _pageSize;
}
– (IBAction)btnCreatePDFPress:(id)sender;
@end
ViewController.m
#import “ViewController.h”
@interface ViewController ()
@end
@implementation ViewController
– (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
– (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
– (void)setupPDFDocumentNamed:(NSString*)name Width:(float)width Height:(float)height
{
_pageSize = CGSizeMake(width, height);
NSString *newPDFName = [NSString stringWithFormat:@”%@.pdf”, name];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *pdfPath = [documentsDirectory stringByAppendingPathComponent:newPDFName];
NSLog(@”%@”,pdfPath);
UIGraphicsBeginPDFContextToFile(pdfPath, CGRectZero, nil);
}
– (void)beginPDFPage {
UIGraphicsBeginPDFPageWithInfo(CGRectMake(0, 0, _pageSize.width, _pageSize.height), nil);
}
– (IBAction)btnCreatePDFPress:(id)sender {
[self setupPDFDocumentNamed:@”NewPDF” Width:850 Height:1100];
[self beginPDFPage];
CGRect textRect = [self addText:@”USA is great Country”
withFrame:CGRectMake(kPadding, kPadding, 400, 200) fontSize:48.0f];
CGRect textRect1 = [self addText:@”USA has power”
withFrame:CGRectMake(kPadding, 500, 400, 200) fontSize:48.0f];
CGRect blueLineRect = [self addLineWithFrame:CGRectMake(kPadding, textRect.origin.y + textRect.size.height + kPadding, _pageSize.width – kPadding*2, 4)
withColor:[UIColor blueColor]];
UIImage *anImage = [UIImage imageNamed:@”download.png”];
CGRect imageRect = [self addImage:anImage
atPoint:CGPointMake((_pageSize.width/2)-(anImage.size.width/2), blueLineRect.origin.y + blueLineRect.size.height + kPadding)];
[self addLineWithFrame:CGRectMake(kPadding, imageRect.origin.y + imageRect.size.height + kPadding, _pageSize.width – kPadding*2, 4)
withColor:[UIColor redColor]];
[self finishPDF];
}
– (CGRect)addText:(NSString*)text withFrame:(CGRect)frame fontSize:(float)fontSize
{
UIFont *font = [UIFont systemFontOfSize:fontSize];
CGSize stringSize = [text sizeWithFont:font constrainedToSize:CGSizeMake(_pageSize.width – 2*20–2*20, _pageSize.height – 2*20 – 2*20) lineBreakMode:UILineBreakModeWordWrap];
float textWidth = frame.size.width;
if (textWidth < stringSize.width)
textWidth = stringSize.width;
if (textWidth > _pageSize.width)
textWidth = _pageSize.width – frame.origin.x;
CGRect renderingRect = CGRectMake(frame.origin.x, frame.origin.y, textWidth, stringSize.height);
[text drawInRect:renderingRect
withFont:font
lineBreakMode:UILineBreakModeWordWrap
alignment:UITextAlignmentLeft];
frame = CGRectMake(frame.origin.x, frame.origin.y, textWidth, stringSize.height);
return frame;
}
– (CGRect)addLineWithFrame:(CGRect)frame withColor:(UIColor*)color
{
CGContextRef currentContext = UIGraphicsGetCurrentContext();
CGContextSetStrokeColorWithColor(currentContext, color.CGColor);
// this is the thickness of the line
CGContextSetLineWidth(currentContext, frame.size.height);
CGPoint startPoint = frame.origin;
CGPoint endPoint = CGPointMake(frame.origin.x + frame.size.width, frame.origin.y);
CGContextBeginPath(currentContext);
CGContextMoveToPoint(currentContext, startPoint.x, startPoint.y);
CGContextAddLineToPoint(currentContext, endPoint.x, endPoint.y);
CGContextClosePath(currentContext);
CGContextDrawPath(currentContext, kCGPathFillStroke);
return frame;
}
– (CGRect)addImage:(UIImage*)image atPoint:(CGPoint)point
{
CGRect imageFrame = CGRectMake(point.x, point.y, image.size.width, image.size.height);
[image drawInRect:imageFrame];
return imageFrame;
}
– (void)finishPDF {
UIGraphicsEndPDFContext();
}
@end
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iOS Development Objective C 