56 lines
2.0 KiB
Objective-C
Executable File
56 lines
2.0 KiB
Objective-C
Executable File
//
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// FUImageHelper.h
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// FULiveDemo
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//
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// Created by L on 2018/8/3.
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// Copyright © 2018年 L. All rights reserved.
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//
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#import <AVFoundation/AVFoundation.h>
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#import <UIKit/UIKit.h>
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@interface FUImageHelper : NSObject
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+ (void)convertUIImageToBitmapRGBA8:(UIImage *)image completionHandler:(void (^)(int32_t size, unsigned char * bits))completionHandler;
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+ (UIImage *)convertBitmapRGBA8ToUIImage:(unsigned char *)buffer
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withWidth:(int)width
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withHeight:(int)height;
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/// 根据UIImage返回CVPixelBufferRef
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/// @param image UIImage实例对象
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/// 注意：CVPixelBufferRef需要手动release
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+ (CVPixelBufferRef)pixelBufferFromImage:(UIImage *)image;
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/// 根据CVPixelBufferRef返回UIImage
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/// @param pixelBufferRef buffer
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/// 注意：如果后续业务有使用到image.CGImage，则需要及时释放掉 image.CGImage
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+ (UIImage *)imageFromPixelBuffer:(CVPixelBufferRef)pixelBufferRef;
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+ (unsigned char *)getRGBAWithImage:(UIImage *)image;
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+ (unsigned char *)getRGBAWithImageName:(NSString *)imageName width:(int *)width height:(int *)height;
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/// 截屏处理取色
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+ (UIColor*)getPixelColorScreenWindowAtLocation:(CGPoint)point;
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/// 针对静态图片处理取色
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+ (UIColor *)getPixelColorWithImage:(UIImage *)image point:(CGPoint)point DEPRECATED_MSG_ATTRIBUTE("use colorInPoint: in FUGLDisplayView instead");
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/// 针对每一帧处理取色
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+ (UIColor *)getPixelColorWithPixelBuff:(CVPixelBufferRef)pixelBuffer point:(CGPoint)point DEPRECATED_MSG_ATTRIBUTE("use colorInPoint: in FUGLDisplayView instead");
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+ (UIImage *)rotateImageWithAngle:(UIImage*)vImg Angle:(NSInteger)vAngle IsExpand:(BOOL)vIsExpand;
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/// 获取图像数据
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/// @param pixelBuffer buffer
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/// @param transform 图像方向(0: up 1: right 2: down 3: left)
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/// @return Byte
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+ (Byte *)getBytesFromPixelBuffer:(CVPixelBufferRef)pixelBuffer transform:(int)transform;
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/// 获取视频第一帧图片
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/// @param videoURL 视频URL
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+ (UIImage *)getPreviewImageWithVideoURL:(NSURL *)videoURL;
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@end
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