ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac CatalystUniversal Windows 10 App
Others
Stored procedures
Saves an image:
  • in a GIF file.
  • in memory.
This image corresponds to the image contained in a Image control.
Remarks:
  • Only the visible part of the Image control is saved.
  • This function can only be used to save the images for screen resolutions up to 32 bits.
  • This function cannot be used with the Image controls found in the reports.
Linux Caution: A specific configuration is required to use this function in Linux. For more details, see The drawings.
Example
// Saves in memory the image found in "IMG_ImageDrawing"
ResSave = IMG_ImageDrawing.SaveGIF(inMemory)
WINDEVWEBDEV - Server codeReports and QueriesUser code (UMC)Ajax
// Saves the image found in "IMG_ImageDrawing" in "C:\Documents\Image.GIF"
ResSave = IMG_ImageDrawing.SaveGIF("C:\Documents\Image.GIF")
Syntax
WINDEVWEBDEV - Server codeReports and QueriesUniversal Windows 10 AppUser code (UMC)Ajax

Saving an image in a file in GIF format Hide the details

<Result> = <Image variable>.SaveGIF(<File name> [, <Number of colors>])
<Result>: Boolean
  • True if the image was saved,
  • False otherwise. To get more details on the error, use ErrorInfo with the errMessage constant.
<Image variable>: Image variable
Name of the control to be used:
  • Name of the Image, Bar Code or Web Camera control to be used. Image controls in a report cannot be used.
  • WEBDEV - Server codeWINDEV Mobile Name of the Image or Web Camera control to be used.
<File name>: Character string
Name and full (or relative) path of GIF file. A UNC path can be used. The file extension is optional.
Caution:
  • The destination directory must exist in order for the image to be saved.
  • The existence of the GIF file is not checked. This file is automatically overwritten if it already exists.
<Number of colors>: Optional integer
Number of colors for the image saved. Value included between 16 and 256 (256 by default). This parameter corresponds to the number of colors proposed in the color palette when using the GIF file.
Universal Windows 10 App Syntax not available

Saving an image in memory Hide the details

<Result> = <Image variable>.SaveGIF(<inMemory> [, <Number of colors>])
<Result>: Buffer
Byte string containing the image in GIF format.
Then, this byte string can be assigned to an Image control, saved in a file (fSaveText), sent via a network (with the Socket functions), ...
<Image variable>: Image variable
Name of the Image control to be used:
  • Name of the Image, Bar Code or Web Camera control to be used. Image controls in a report cannot be used.
  • WEBDEV - Server codeWINDEV Mobile Name of the Image or Web Camera control to be used.
<inMemory>: Constant
inMemory: Constant used to save an image in memory.
<Number of colors>: Optional integer
Number of colors for the image saved. Value included between 16 and 256 (256 by default). This parameter corresponds to the number of colors proposed in the color palette when using the GIF file.
Component: wd280pnt.dll
Minimum version required
  • Version 24
This page is also available for…
Comments
Click [Add] to post a comment