imagelayereffect

Set the alpha blending flag to use the bundled libgd layering effects (PHP 4 >= 4.3.0, PHP 5)
bool imagelayereffect ( resource image, int effect )

Set the alpha blending flag to use the bundled libgd layering effects.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

effect

One of the following constants:

IMG_EFFECT_REPLACE: Use pixel replacement (equivalent of passing TRUE to imagealphablending())
IMG_EFFECT_ALPHABLEND: Use normal pixel blending (equivalent of passing FALSE to imagealphablending())
IMG_EFFECT_NORMAL: Same as IMG_EFFECT_ALPHABLEND.
IMG_EFFECT_OVERLAY: Overlay has the effect that black background pixels will remain black, white background pixels will remain white, but grey background pixels will take the colour of the foreground pixel.

Return Values

Returns TRUE on success or FALSE on failure.

Notes

Note:

This function is only available if PHP is compiled with the bundled version of the GD library.

Note:

This function requires GD 2.0.1 or later (2.0.28 or later is recommended).

Code Examples / Notes » imagelayereffect

php dot net

I'm looking for a sample of this code in use.

25-sep-2004 05:12

I need the sample for this function

06-feb-2005 12:36

I assume, that the specific effects are similiar to those used in Adobe Photoshop for blending layers. There might be things like IMG_EFFECT_MULTIPLY resulting of that.

imagelayereffect

Set the alpha blending flag to use the bundled libgd layering effects (PHP 4 >= 4.3.0, PHP 5) bool imagelayereffect ( resource image, int effect )

Parameters

Return Values

Notes

Code Examples / Notes » imagelayereffect

Change Language

Set the alpha blending flag to use the bundled libgd layering effects (PHP 4 >= 4.3.0, PHP 5)
bool imagelayereffect ( resource image, int effect )