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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
51 lines
1.4 KiB
Objective-C
51 lines
1.4 KiB
Objective-C
//
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// ASGraphicsContext.h
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// Texture
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//
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// Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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#import <CoreGraphics/CoreGraphics.h>
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@class UIImage;
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/**
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* Functions for creating one-shot graphics contexts that do not have to copy
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* their contents when an image is generated from them. This is efficient
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* for our use, since we do not reuse graphics contexts.
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*
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* The API mirrors the UIGraphics API, with the exception that forming an image
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* ends the context as well.
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*
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* Note: You must not mix-and-match between ASGraphics* and UIGraphics* functions
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* within the same drawing operation.
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*/
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Creates a one-shot context.
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*
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* Behavior is the same as UIGraphicsBeginImageContextWithOptions.
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*/
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AS_EXTERN void ASGraphicsBeginImageContextWithOptions(CGSize size, BOOL opaque, CGFloat scale);
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/**
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* Generates and image and ends the current one-shot context.
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*
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* Behavior is the same as UIGraphicsGetImageFromCurrentImageContext followed by UIGraphicsEndImageContext.
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*/
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AS_EXTERN UIImage * _Nullable ASGraphicsGetImageAndEndCurrentContext(void) NS_RETURNS_RETAINED;
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/**
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* Call this if you want to end the current context without making an image.
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*
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* Behavior is the same as UIGraphicsEndImageContext.
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*/
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AS_EXTERN void ASGraphicsEndImageContext(void);
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NS_ASSUME_NONNULL_END
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