Draws a portion of an image after applying a specified effect
#include <GDIPlus.au3>
_GDIPlus_DrawImageFXEx ( $hGraphics, $hImage, $hEffect [, $nX = 0 [, $nY = 0 [, $nW = 0 [, $nH = 0 [, $hMatrix = 0 [, $hImgAttributes = 0 [, $iUnit = 2]]]]]]] )
$hGraphics | Handle to a Graphics object. |
$hImage | Handle to an Image object. |
$hEffect | Handle to an Effect that is applied to the image before rendering. The image is not permanently altered by the effect. |
$nX | [optional] X coordinate of upper left hand corner of the portion of the image to be drawn. |
$nY | [optional] X coordinate of upper left hand corner of the portion of the image to be drawn. |
$nW | [optional] Width of the portion rectangle of the image to be drawn. |
$nH | [optional] Height of the portion rectangle of the image to be drawn. |
$hMatrix | [optional] Handle to a Matrix object that specifies the parallelogram in which the image portion is rendered. |
$hImgAttributes | [optional] Handle to an ImageAttributes object that specifies color adjustments to be applied when the image is rendered. |
$iUnit | [optional] Specifies the unit of measure for the image. |
Success: | True. |
Failure: | False and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPIP_ERR* see GPIPlusConstants.au3). |
@error: | -1 - GDIPlus.dll does not support this function. 10 - Invalid parameters. |
_GDIPlus_DrawImageFX, _GDIPlus_EffectCreate
#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
#include <MsgBoxConstants.au3>
_Example()
Func _Example()
If Not _GDIPlus_Startup() Or @extended < 6 Then
MsgBox($MB_SYSTEMMODAL, "ERROR", "GDIPlus.dll v1.1 not available")
Return
EndIf
Local $sFile = FileOpenDialog("Select an image", "", "Images (*.bmp;*.png;*.jpg;*.gif;*.tif)")
If @error Or Not FileExists($sFile) Then Return
Local $hImage = _GDIPlus_ImageLoadFromFile($sFile)
Local $iWidth = 600
Local $iHeight = _GDIPlus_ImageGetHeight($hImage) * 600 / _GDIPlus_ImageGetWidth($hImage)
Local $hBitmap = _GDIPlus_BitmapCreateFromScan0($iWidth, $iHeight)
Local $hContext = _GDIPlus_ImageGetGraphicsContext($hBitmap)
_GDIPlus_GraphicsDrawImageRect($hContext, $hImage, 0, 0, $iWidth, $iHeight)
Local $hGui = GUICreate("GDI+ v1.1 (" & @ScriptName & ")", $iWidth, $iHeight)
Local $hGraphics = _GDIPlus_GraphicsCreateFromHWND($hGui)
GUISetState(@SW_SHOW)
Local $hEffect = _GDIPlus_EffectCreate($GDIP_HueSaturationLightnessEffectGuid)
Local $tEffectParameters = DllStructCreate($tagGDIP_EFFECTPARAMS_HueSaturationLightness)
Local $fW, $fH
For $i = 1 To 140
DllStructSetData($tEffectParameters, "HueLevel", Random(-180, 180, 1))
_GDIPlus_EffectSetParameters($hEffect, $tEffectParameters)
$fW = Random(20, 100)
$fH = Random(20, 100)
_GDIPlus_DrawImageFXEx($hGraphics, $hBitmap, $hEffect, Random(0, $iWidth - $fW), Random(0, $iHeight - $fH), $fW, $fH)
Next
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
_GDIPlus_GraphicsDispose($hContext)
_GDIPlus_BitmapDispose($hBitmap)
_GDIPlus_EffectDispose($hEffect)
_GDIPlus_ImageDispose($hImage)
_GDIPlus_GraphicsDispose($hGraphics)
_GDIPlus_Shutdown()
EndFunc ;==>_Example