_GDIPlus_ParamAdd
Add a value to an encoder parameter list
#include <GDIPlus.au3>
_GDIPlus_ParamAdd(ByRef $tParams, $sGUID, $iCount, $iType, $pValues)
Параметры
$tParams | Структура $tagGDIPPENCODERPARAMS возвращённая функцией _GDIPlus_ParamInit |
$sGUID |
Encoder parameter GUID. Can be one of the following: $GDIP_EPGCHROMINANCETABLE - Chrominance table settings $GDIP_EPGCOLORDEPTH - Color depth settings $GDIP_EPGCOMPRESSION - Compression settings $GDIP_EPGLUMINANCETABLE - Luminance table settings $GDIP_EPGQUALITY - Quality settings $GDIP_EPGRENDERMETHOD - Render method settings $GDIP_EPGSAVEFLAG - Save flag settings $GDIP_EPGSCANMETHOD - Scan mode settings $GDIP_EPGTRANSFORMATION - Transformation settings $GDIP_EPGVERSION - Software version settings |
$iCount | Количество элементов в массиве $pValues |
$iType |
Encoder parameter value type. Can be one of the following: $GDIP_EPTBYTE - 8 bit unsigned integer $GDIP_EPTASCII - Null terminated character string $GDIP_EPTSHORT - 16 bit unsigned integer $GDIP_EPTLONG - 32 bit unsigned integer $GDIP_EPTRATIONAL - Two longs (numerator, denominator) $GDIP_EPTLONGRANGE - Two longs (low, high) $GDIP_EPTUNDEFINED - Array of bytes of any type $GDIP_EPTRATIONALRANGE - Two longs (low, high) |
$pValues |
Pointer to an array of values. Each value has the type specified by the $iType data member. |
См. также
_GDIPlus_ParamInit, $tagGDIPPENCODERPARAMSПример
#include <GDIPlus.au3>
#include <ScreenCapture.au3>
_Main()
Func _Main()
Local $hImage, $sCLSID, $tData, $tParams
; Capture screen
_ScreenCapture_Capture (@MyDocumentsDir & "\GDIPlus_Image.jpg")
; Инициализация библиотеки GDI+
_GDIPlus_Startup ()
; Load image
$hImage = _GDIPlus_ImageLoadFromFile (@MyDocumentsDir & "\GDIPlus_Image.jpg")
; Get JPEG encoder CLSID
$sCLSID = _GDIPlus_EncodersGetCLSID ("JPG")
; Set up parameters for 90 degree rotation
$tData = DllStructCreate("int Data")
DllStructSetData($tData, "Data", $GDIP_EVTTRANSFORMROTATE90)
$tParams = _GDIPlus_ParamInit (1)
_GDIPlus_ParamAdd ($tParams, $GDIP_EPGTRANSFORMATION, 1, $GDIP_EPTLONG, DllStructGetPtr($tData, "Data"))
; Save image with rotation
_GDIPlus_ImageSaveToFileEx ($hImage, @mydocumentsdir & "\gdiplus_image2.jpg", $sclsid, DllStructGetPtr($tParams))
; Закрывает библиотеку GDI+
_GDIPlus_ShutDown ()
EndFunc ;==>_Main