|
- Coordinates
- Using the drawing functions
- Drawing in an image with opacity
- Pattern and PHP
- Drawing in Browser code
dPixelOpacity (Function) In french: dPixelOpacité
// Identify the opacity of the pixel (15, 25) // on the "IMG_ImageDrawing" control ResOpacity = dPixelOpacity(IMG_ImageDrawing, 15, 25)
Syntax
<Result> = dPixelOpacity([<Image>, ] <X coordinate> , <Y coordinate>)
Remarks Coordinates
Coordinates are given in pixels with respect to the top left corner of the image (coordinates: (0.0)). To retrieve the position of a mouse click in an Image control, use MouseXPos and MouseYPos. Drawing in an image with opacity To specify that the drawing in the image supports opacity (Alpha layer), use dStartDrawing and the dWithOpacity constant. Versions 16 and later New in version 16
This page is also available for…
|
|
|
| |
| Click [Add] to post a comment |
|
| |
|
| |
| |
| |
| |
| |
| |
| | |
| |