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Telegram/thirdparty/JPNG.h
2015-10-01 19:19:52 +03:00

91 lines
2.2 KiB
Objective-C

//
// JPNG.h
//
// Version 1.2.1
//
// Created by Nick Lockwood on 05/01/2013.
// Copyright 2013 Charcoal Design
//
// Distributed under the permissive zlib license
// Get the latest version from here:
//
// https://github.com/nicklockwood/JPNG
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
#import <Foundation/Foundation.h>
#import <CoreGraphics/CoreGraphics.h>
#import <TargetConditionals.h>
#import <ImageIO/ImageIO.h>
#ifndef JPNG_SWIZZLE_ENABLED
#define JPNG_SWIZZLE_ENABLED 1
#endif
#ifndef JPNG_ALWAYS_FORCE_DECOMPRESSION
#define JPNG_ALWAYS_FORCE_DECOMPRESSION 0
#endif
extern uint32_t JPNGIdentifier;
typedef struct
{
uint32_t imageSize;
uint32_t maskSize;
uint16_t footerSize;
uint8_t majorVersion;
uint8_t minorVersion;
uint32_t identifier;
}
JPNGFooter;
//cross-platform implementation
CGImageRef CGImageCreateWithJPNGData(NSData *data, BOOL forceDecompression);
NSData *CGImageJPNGRepresentation(CGImageRef image, CGFloat quality);
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
//iOS implementation
UIImage *UIImageWithJPNGData(NSData *data, CGFloat scale, UIImageOrientation orientation);
NSData *UIImageJPNGRepresentation(UIImage *image, CGFloat quality);
#else
#import <AppKit/AppKit.h>
//Mac OS implementation
NSImage *NSImageWithJPNGData(NSData *data, CGFloat scale);
NSData *NSImageJPNGRepresentation(NSImage *image, CGFloat quality);
#endif