This function saves raster image data, including alpha channel data, in a PNG file.
Parameters
| Name | Explanation |
|---|---|
| FileName | The name of the file where the image data is saved |
| Handle | The image handle of the raster image |
| Interlace | Sets whether or not interlace is enabled (False (0): No interlacing, True (nonzero) Interlacing) |
| Trans | Sets whether or not the transparent color is enabled (False (0): No transparency, True (nonzero): Transparency enabled) |
| Red | The red component of the transparent color (from 0 to 255) Enabled only when Trans is True |
| Green | The green component of the transparent color (from 0 to 255) Enabled only when Trans is True |
| Blue | The blue component of the transparent color (from 0 to 255) Enabled only when Trans is True |
| Alpha | Alpha Channel False(0): Save RGB image, Same as using the IKPngFileSave Function True (nonzero): Save as RGBA |
| Comment | The comment text to be saved (MAX:1023 bytes) Set as follows:[title + 0x0d + Author + ... + 0x0d] title: The image title Author: The image author Description: Description of the image Copyright: Copyright Creation Time: The time and date when the image was created Software: Software used Disclaimer: A disclaimer Warning: A warning Source: The source of the image Comment: Comments Note: In Delphi replace the above 0x with $. |
| UserProc | The address of the user function (If not using the user function then set to 0) |
| Caption | Sets the text displayed in the title bar of the progress dialog box |
| Message | Sets the message displayed in the progress dialog box |
| Button | Sets the name of the button displayed in the progress dialog box |
Return Value
Returns True (nonzero) if successful. Returns False (0) if unsuccessful.
Explanation
The IKPngFileSaveEx function saves raster image data, including alpha channel data, in a PNG file. Supports 1, 4, 8 and 24 bit color. When using the IKPngFileSaveEx function with the Alpha parameter set to True (nonzero), the image handle of a 32 bit RGBA image must be set in the Handle parameter.
If the user function is set or if the Caption, Message, and Button parameters are blank then the Progress dialog box is not displayed. If the Progress dialog box is displayed, it indicates the percentage of the current process completed. For more information about the user function please refer to the Definition of
It is possible to save the file directly to FTP server or HTTP(S) server by setting the FTP or HTTP(S) server name in the FileName parameter.
(1) When saving the file to a local drive or network drive:
IKPngFileSaveEx("c:\abc.png",
.....)
(2) When saving the file to FTP server:
IKPngFileSaveEx("FTP://www.newtone.co.jp/image/abc.png;;;true;user;password",
.....)
(*)Parameter order when setting the FileName:
FTP://ServerName/FolderName/FileName;ProxyName;PortNumber;PassiveMode;UserName;Password
When setting or changing the proxy server, the port number, and passive (PASV) mode connection, please be sure to pass in this information seperated by semicolons. Set the FTP server name or IP address, the proxy server name or IP address, the port number, passive mode connection, etc. If the port number is omitted, the defaul port number will be used. Passive mode connection can be either "true" or "false" in upper case or lower case letters. If omitted, passive mode connection will be used.
(3) When saving the file to HTTP(S) server:
IKPngFileSaveEx("http://www.newtone.co.jp/image/abc.png;;;;user;password",
.....)
(*)Parameter order when setting the FileName:
HTTP://ServerName/FolderName/FileName;ProxyName;PortNumber;HTTPS;UserName;Password
When setting or changing the proxy server, the port number, or using HTTPS, please be sure to pass in this information seperated by semicolons. Set the HTTP(S) server name or IP address, the proxy server name or IP address, the port number, HTTPS, etc. If the port number is omitted, the defaul port number will be used. IF HTTPS is omitted then HTTP server will be used.
Also See:
Ik10Effect.dll, Ik10EffectA.dll, Ik10Effect64.dll, Ik10Effect64A.dll's IKMakeRGBAImage
[Differences from ImageKit7 ActiveX]
The ImageKit7 ActiveX only allowed files from local drives or network drives to be loaded or saved. Files can now be loaded and saved from FTP servers and HTTP(S) servers.