The imagefill() function is an inbuilt function in PHP which is used to fill the image with the given color. This function performs a flood fill starting at the given coordinate (top left is 0, 0) with the given color in the image.
Syntax:
bool imagefill( $image, $x, $y, $color )
Parameters:This function accepts four parameters as mentioned above and described below:
- $image: It is returned by one of the image creation functions, such as imagecreatetruecolor(). It is used to create size of image.
- $x: This parameter is used to set x-coordinate of starting point.
- $y: This parameter is used to set y-coordinate of starting point.
- $color: It sets the color of image. A color identifier created by imagecolorallocate() function.
Return Value: This function returns True on success of False on failure.
Below programs illustrate the imagefill() function in PHP:
Program 1:
<?php // Create an image of given size $image = imagecreatetruecolor(500, 400);
// Sets background to green $green = imagecolorallocate( $image , 0, 153, 0);
imagefill( $image , 0, 0, $green );
header( 'Content-type: image/png' );
imagepng( $image );
imagedestroy( $image );
?> |
Output:
Program 2:
<?php // It create the size of image or blank image. $image = imagecreatetruecolor(500, 300);
// Set the background color of image. $bg = imagecolorallocate( $image , 205, 220, 200);
// Fill background with above selected color. imagefill( $image , 0, 0, $bg );
// Set the color of an ellipse. $col_ellipse = imagecolorallocate( $image , 0, 102, 0);
// Function to draw the filled ellipse. imagefilledellipse( $image , 250, 150, 400, 250, $col_ellipse );
// Output of the image. header( "Content-type: image/png" );
imagepng( $image );
?> |
Output:
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Reference: http://php.net/manual/en/function.imagefill.php