GdipSaveImageToFile，GdipSaveImageToStream，GdipSaveAdd和GdipSaveAddImage函数收到包含EncoderParameter个数组的EncoderParameters结构。每个EncoderParameter对象具有指定参数类别的全局唯一标识符（GUID）数据成员。以下常量表示指定各种参数类别的GUID。

 

PowerBASIC 语法

 

$EncoderCompression      = GUID$("{E09D739D-CCD4-44EE-8EBA-3FBF8BE4FC58}")

$EncoderColorDepth       = GUID$("{66087055-AD66-4C7C-9A18-38A2310B8337}")

$EncoderScanMethod       = GUID$("{3A4E2661-3109-4E56-8536-42C156E7DCFA}")

$EncoderVersion          = GUID$("{24D18C76-814A-41A4-BF53-1C219CCCF797}")

$EncoderRenderMethod     = GUID$("{6D42C53A-229A-4825-8BB7-5C99E2B9A8B8}")

$EncoderQuality          = GUID$("{1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB}")

$EncoderTransformation   = GUID$("{8D0EB2D1-A58E-4EA8-AA14-108074B7B6F9}")

$EncoderLuminanceTable   = GUID$("{EDB33BCE-0266-4A77-B904-27216099E717}")

$EncoderChrominanceTable = GUID$("{F2E455DC-09B3-4316-8260-676ADA32481C}")

$EncoderSaveFlag         = GUID$("{292266FC-AC40-47BF-8CFC-A85B89A655DE}")

 

EncoderChrominanceTable

 

F2E455DC-09B3-4316-8260-676ADA32481C

 

EncoderColorDepth

 

66087055-AD66-4C7C-9A18-38A2310B8337

 

EncoderColorSpace

 

 

EncoderCompression

 

E09D739D-CCD4-44EE-8EBA-3FBF8BE4FC58

 

EncoderLuminanceTable

 

EDB33BCE-0266-4A77-B904-27216099E717

 

EncoderQuality

 

1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB

 

EncoderRenderMethod

 

6D42C53A-229A-4825-8BB7-5C99E2B9A8B8

 

EncoderSaveFlag

 

292266FC-AC40-47BF-8CFC-A85B89A655DE

 

EncoderScanMethod

 

3A4E2661-3109-4E56-8536-42C156E7DCFA

 

EncoderTransformation

 

8D0EB2D1-A58E-4EA8-AA14-108074B7B6F9

 

EncoderVersion

 

24D18C76-814A-41A4-BF53-1C219CCCF797

 

EncoderImageItems

 

EncoderSaveAsCMYK