28 lines
1.4 KiB
Objective-C
28 lines
1.4 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import "SDWebImageCompat.h"
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#import <CoreGraphics/CoreGraphics.h>
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/**
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These following graphics context method are provided to easily write cross-platform(AppKit/UIKit) code.
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For UIKit, these methods just call the same method in `UIGraphics.h`. See the documentation for usage.
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For AppKit, these methods use `NSGraphicsContext` to create image context and match the behavior like UIKit.
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*/
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/// Returns the current graphics context.
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FOUNDATION_EXPORT CGContextRef __nullable SDGraphicsGetCurrentContext(void) CF_RETURNS_NOT_RETAINED;
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/// Creates a bitmap-based graphics context and makes it the current context.
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FOUNDATION_EXPORT void SDGraphicsBeginImageContext(CGSize size);
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/// Creates a bitmap-based graphics context with the specified options.
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FOUNDATION_EXPORT void SDGraphicsBeginImageContextWithOptions(CGSize size, BOOL opaque, CGFloat scale);
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/// Removes the current bitmap-based graphics context from the top of the stack.
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FOUNDATION_EXPORT void SDGraphicsEndImageContext(void);
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/// Returns an image based on the contents of the current bitmap-based graphics context.
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FOUNDATION_EXPORT UIImage * __nullable SDGraphicsGetImageFromCurrentImageContext(void);
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