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/*!
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* \~chinese
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* @header GrayLevel.h
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* @abstract 图片的灰度处理
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*
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* \~english
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* @header GrayLevel.h
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* @abstract Image gray manager
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*/
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#import "PTBitmap.h"
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#import <UIKit/UIKit.h>
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@interface PTBitmap (GrayLevel)
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/// 获取图像的灰度数据
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/// @param image 图片
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+ (NSData *)graylevel256Datas:(UIImage *)image;
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/// 获取图像的灰度数据
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/// @param image 图片
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/// @param needReverse 是否反转灰度值 0->255 254->1
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+ (NSData *)graylevel256Datas:(CGImageRef)image reverse:(BOOL)needReverse;
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/// 从灰度图片数据获取图像
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/// @param data 灰度数据，每个字节代表每个像素的256阶灰度值
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/// @param width 图片宽度
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+ (UIImage *)imageWithGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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/// 灰度数据锐化
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/// @param data 灰度数据，每个字节代表每个像素的256阶灰度值
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/// @param width 图片宽度
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+ (NSData *)sharpenGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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/// 获取经过热补偿处理的数据
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/// @param data 灰度数据，每个字节代表每个像素的256阶灰度值
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/// @param width 图片宽度
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+ (NSData *)historyCompensateGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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/// 返回黑白图像数据
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/// @param data 灰度数据，每个字节代表每个像素的256阶灰度值
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/// @param width 图片宽度
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+ (NSData *)binaryDataOneBytePerPixelGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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/// 将图片导入设备灰度空间获取的灰度数据
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/// @param image 图片
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+ (NSData *)systemGraylevel256Datas:(UIImage *)image;
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/// 将bitmap数据转成图片
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/// @param bitmap 位图数据
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/// @param height 图片高度
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+ (UIImage *)image:(NSData *)bitmap height:(size_t)height;
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/// 动态获取二值化的阈值
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/// @param data 256灰阶数据
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/// @param width 图片宽度
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/// @param height 图片高度
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+ (NSUInteger)getThresholdForBinaryByGrayData:(NSData *)data width:(NSUInteger)width height:(NSUInteger)height;
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/// 获取图像的灰度数据
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/// @param image 输入数据
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+ (NSData *)grayscaleImageForImage:(CGImageRef)image;
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@end
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@interface PTBitmap(Printer)
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+ (NSData *)binaryDataOneBitPerPixelGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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+ (NSData *)binaryDataOneBitPerPixelGraylevel256Data:(NSData *)data width:(NSUInteger)width valve:(NSUInteger)valve;
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+ (NSData *)ditheredBinaryDataOneBitPerPixelGraylevel256Data:(NSData *)data width:(NSUInteger)width;
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+ (NSData *)meiKaLePrinterData:(NSData *)graylevel256Data;
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@end
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