ZPHOTO ENGINE
--VERSION 1.2
DATE: 20151101
CopyRight: www.zealpixel.com
欢迎访问微像素：www.zealpixel.com
目录
前言..................................................................................................................................................... 5
基础接口说明.....................................................................................................................................7
1.ZPHOTO_SaturationAdjust.....................................................................................................7
2.ZPHOTO_HueAndSaturationAdjust....................................................................................... 7
3.ZPHOTO_LightnessAdjust......................................................................................................7
4.ZPHOTO_LinearBrightContrastAdjust...................................................................................8
5.ZPHOTO_NLinearBrightContrastAdjust................................................................................ 8
6.ZPHOTO_AutoContrastAdjust................................................................................................9
7.ZPHOTO_AutoColorGradationAdjust.................................................................................... 9
8.ZPHOTO_CurveAdjust............................................................................................................9
9.ZPHOTO_Posterize............................................................................................................... 10
10.ZPHOTO_OverExposure.....................................................................................................10
11.ZPHOTO_Invert...................................................................................................................10
12.ZPHOTO_HistagramEqualize............................................................................................. 11
13.ZPHOTO_Desaturate........................................................................................................... 11
14.ZPHOTO_Blackwhite..........................................................................................................11
15.ZPHOTO_Threshold............................................................................................................12
16.ZPHOTO_FastGaussFilter...................................................................................................12
17.ZPHOTO_HighPass.............................................................................................................12
18.ZPHOTO_USM................................................................................................................... 13
19.ZPHOTO_FindEdges...........................................................................................................13
20.ZPHOTO_ChannelMixProcess............................................................................................14
21.ZPHOTO_ColorTemperatureAdjust....................................................................................14
22.ZPHOTO_ShadowAdjust.................................................................................................... 15
23.ZPHOTO_HighlightAdjust..................................................................................................15
24.ZPHOTO_ExposureAdjust.................................................................................................. 15
25.ZPHOTO_FastMeanFilter....................................................................................................16
26.ZPHOTO_SobelFilter.......................................................................................................... 16
27.ZPHOTO_ImageTransformation......................................................................................... 16
28.ZPHOTO_Fragment.............................................................................................................17
29.ZPHOTO_MotionBlur......................................................................................................... 17
30.ZPHOTO_SurfaceBlur.........................................................................................................18
31.ZPHOTO_RadialBlur.......................................................................................................... 18
32.ZPHOTO_ZoomBlur........................................................................................................... 19
33.ZPHOTO_Relief.................................................................................................................. 19
34.ZPHOTO_Mean...................................................................................................................19
35.ZPHOTO_Mosaic................................................................................................................ 20
36.ZPHOTO_ColorBalance......................................................................................................20
37.ZPHOTO_Diffusion.............................................................................................................20
38.ZPHOTO_LSNBlur............................................................................................................. 21
39.ZPHOTO_ColorLevelAdjust............................................................................................... 21
40.ZPHOTO_RGBA2BGRA....................................................................................................22
41.ZPHOTO_BGRA2RGBA....................................................................................................22
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图层混合模式接口说明...................................................................................................................23
1.ZPHOTO_ImageBlendEffect.................................................................................................23
2.ZPHOTO_ModeDarken.........................................................................................................24
3.ZPHOTO_ModeMultiply.......................................................................................................24
4.ZPHOTO_ModeColorBurn....................................................................................................24
5.ZPHOTO_ModeLinearBurn.................................................................................................. 24
6.ZPHOTO_ModeDarkness......................................................................................................25
7.ZPHOTO_ModeLighten........................................................................................................ 25
8.ZPHOTO_ModeScreen..........................................................................................................25
9.ZPHOTO_ModeColorDodge.................................................................................................26
10.ZPHOTO_ModeColorLinearDodge.................................................................................... 26
11.ZPHOTO_ModeLightColor................................................................................................. 26
12.ZPHOTO_ModeOverlay......................................................................................................26
13.ZPHOTO_ModeSoftLight................................................................................................... 27
14.ZPHOTO_ModeHardLight..................................................................................................27
15.ZPHOTO_ModeVividLight................................................................................................. 27
16.ZPHOTO_ModeLinearLight................................................................................................27
17.ZPHOTO_ModePinLight.....................................................................................................28
18.ZPHOTO_ModeSolidColorMixing..................................................................................... 28
19.ZPHOTO_ModeDifference..................................................................................................28
20.ZPHOTO_ModeExclusion...................................................................................................29
21.ZPHOTO_ModeSubtraction................................................................................................ 29
22.ZPHOTO_ModeDivide........................................................................................................29
23.ZPHOTO_ModeDesaturate..................................................................................................29
24.ZPHOTO_ModeColorInvert................................................................................................30
颜色空间转换接口说明...................................................................................................................31
1.ZPHOTO_RGBToYUV......................................................................................................... 31
2.ZPHOTO_YUVToRGB......................................................................................................... 31
3.ZPHOTO_RGBToYCbCr...................................................................................................... 31
4.ZPHOTO_YCbCrToRGB...................................................................................................... 32
5.ZPHOTO_RGBToXYZ......................................................................................................... 32
6.ZPHOTO_XYZToRGB......................................................................................................... 33
7.ZPHOTO_RGBToHSL.......................................................................................................... 33
8.ZPHOTO_HSLToRGB.......................................................................................................... 33
9.ZPHOTO_RGBToHSV..........................................................................................................34
10.ZPHOTO_HSVToRGB........................................................................................................34
11.ZPHOTO_RGBToCMYK....................................................................................................34
12.ZPHOTO_CMYKToRGB....................................................................................................35
13.ZPHOTO_RGBToYDbDr....................................................................................................35
14.ZPHOTO_YDbDrToRGB....................................................................................................35
15.ZPHOTO_RGBToYIQ.........................................................................................................36
16.ZPHOTO_YIQToRGB.........................................................................................................36
17.ZPHOTO_RGBToLAB........................................................................................................37
18.ZPHOTO_LABToRGB........................................................................................................37
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滤镜引擎接口说明...........................................................................................................................38
1.ZPHOTO_Filter..................................................................................................................... 38
2.ZPHOTO_UniversalFilter......................................................................................................38
3. ZPHOTO_FilterId.................................................................................................................39
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前言
ZPhotoEngine 是一个包含众多常用图像处理算法的引擎库，该引擎使用 C 语言开发，
针对 32 位 BGRA 格式图像，实现 PhotoShop 中常用的图像处理算法功能，具有较好的跨平
台移植特性，主要适用于 PC/Android/IOS 平台图像应用的快速开发。同时，ZPhotoEngine
还提供专业的滤镜特效，万能滤镜设计接口，方便不同开发者快速进行各种滤镜特效的开发。
ZPhotoEngine 升级版还将包含人脸化妆算法接口，以满足美颜相机等类似化妆应用的开发使
用。
ZPhotoEngine 说明文档分为四部分：基础接口部分，图层混合接口部分，颜色空间转换
部分，滤镜引擎部分。
第一部分基础接口将详细介绍基础算法接口的使用，此部分包含了 PS 基础算法及部分
滤镜特效接口以及目前 app 修图应用中主流图像调节算法(高光阴影、色温、曝光等)接口等。
第二部分图层混合接口，介绍各种 PS 图层混合模式的使用。
第三部分颜色空间转换接口，主要提供了各种常用颜色空间和 RGB 颜色空间的相互转
换接口，方便开发者在不同空间进行处理。该部分和第一、二部分构成 ZPhotoEngine 引擎，
可单独使用。该引擎提供相应的开发 DEMO，供使用者查阅。
第三部分滤镜引擎 ZEffectEngine 库，该引擎将以 ZPhotoEngine 为基础，模拟实现
Instagram/美图秀秀/Camera360 等大多数经典滤镜，并包含其他常用滤镜(冲印，怀旧，阿宝
色等)功能。另外滤镜引擎提供了万能滤镜接口，可以自定义设计模板和图层混合模式，方
便开发者开发各种效果滤镜。
注意，引擎算法采用多线程优化，PC 端需要配置多线程运行环境，Android 版无需配
置。
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