UIGraphics.h

//

//  UIGraphics.h

//  UIKit

//

//  Copyright (c) 2005-2012, Apple Inc. All rights reserved.

//

#import <Foundation/Foundation.h>

#import <CoreGraphics/CoreGraphics.h>

#import <UIKit/UIKitDefines.h>

@class UIImage;

UIKIT_EXTERN CGContextRef UIGraphicsGetCurrentContext(void);

UIKIT_EXTERN void UIGraphicsPushContext(CGContextRef context);

UIKIT_EXTERN void UIGraphicsPopContext(void);

UIKIT_EXTERN void UIRectFillUsingBlendMode(CGRect rect, CGBlendMode blendMode);

UIKIT_EXTERN void UIRectFill(CGRect rect);

UIKIT_EXTERN void UIRectFrameUsingBlendMode(CGRect rect, CGBlendMode blendMode);

UIKIT_EXTERN void UIRectFrame(CGRect rect);

UIKIT_EXTERN void UIRectClip(CGRect rect);

// UIImage context

UIKIT_EXTERN void     UIGraphicsBeginImageContext(CGSize size);

UIKIT_EXTERN void     UIGraphicsBeginImageContextWithOptions(CGSize size, BOOL opaque, CGFloat scale) NS_AVAILABLE_IOS(4_0);

UIKIT_EXTERN UIImage* UIGraphicsGetImageFromCurrentImageContext(void);

UIKIT_EXTERN void     UIGraphicsEndImageContext(void); 

// PDF context

UIKIT_EXTERN BOOL UIGraphicsBeginPDFContextToFile(NSString *path, CGRect bounds, NSDictionary *documentInfo) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsBeginPDFContextToData(NSMutableData *data, CGRect bounds, NSDictionary *documentInfo) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsEndPDFContext(void) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsBeginPDFPage(void) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsBeginPDFPageWithInfo(CGRect bounds, NSDictionary *pageInfo) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN CGRect UIGraphicsGetPDFContextBounds(void) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsSetPDFContextURLForRect(NSURL *url, CGRect rect) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsAddPDFContextDestinationAtPoint(NSString *name, CGPoint point) NS_AVAILABLE_IOS(3_2);

UIKIT_EXTERN void UIGraphicsSetPDFContextDestinationForRect(NSString *name, CGRect rect) NS_AVAILABLE_IOS(3_2);