Images- Have a certain color color over transparently certain parts of image?

[kernelgpf]

See, I have this script made for watermarks that layers two images together, here:

 

http://dragon-dynasty.com/script2.php

 

Now, I need to add code somewhere [where? =x] to have a certain color that I need to be able to specify transparently color over JUST the dragon.

 

Any ideas?

[pocobueno1388]

Why don't you add the color to the dragon before merging it with the other image? That way you don't have to worry about trying to just color a specific part of the image when it is already merged together.

 

This page has a lot of useful functions that will help you with the coloring part:

http://php.net/imagecolorallocate

 

[kernelgpf]

Because the color of the dragon depends on a hex code inserted in the DB: it needs to be dynamically colored.

[pocobueno1388]

Yeah, there are functions on that URL I gave you that can color by hex code, so it would be perfect for what you are doing.

 

So first call the function to color the dragon, THEN merge it with the other image, that way the dragon will be already colored when they merge together.

[kernelgpf]

It doesn't say anywhere on the page how to color ONLY CERTAIN PARTS of the image, though. That's my problem.

[kernelgpf]

I need Barand's help, but he won't reply to my PM. -laughs-

[pocobueno1388]

Lmao, it's probably because messaging people for help is against the rules, the moderators take that pretty seriously =/

 

Wait, so now you are only wanting to color certain parts of the dragon? I thought that you were wanting the dragon just one color but you didn't know how to color the dragon without coloring the other image you just merged with it as well. I'm confused...

[pocobueno1388]

I think I found what you are looking for xD

 

imagefilledarc()

http://www.php.net/manual/en/function.imagefilledarc.php

 

It allows you to specify coordinates and a color for the area you are trying to color.

[Barand]

I need Barand's help, but he won't reply to my PM. -laughs-

 

I don't recall any recent PM's from you, but I do remember PMing you to follow up on a solution I gave you, just to check if it worked OK, and not receiving any reply. So I may have just binned your latest request.

[kernelgpf]

Eh, I wasn't aware of that. I just replied to a PM he sent me. Sorry. x.x

 

No- that's feature draws an arc. On the BASE DRAGON image, I need JUST the dragon's lines filled in with a hex color I will specify.

 

Barand- you gave me a script that'll replace all of a certain color with a different color- would you happen to still have that script, I think I've misplaced it.

[Barand]

Was it this one

 

<?php
$skinfile = isset($_GET['skin']) ? $_GET['skin'] : 'bluetexture.gif';

$skin = imagecreatetruecolor(500,508);
$tile = imagecreatefromgif($skinfile);
imagesettile($skin, $tile);
imagefill($skin, 250, 205, IMG_COLOR_TILED);
/**
* convert dragon png to truecolor
*/
$im = imagecreatetruecolor(500,508);
$dragon = imagecreatefrompng('reddragon.png');
imagecopy($im,$dragon,0,0,0,0,500,508);

/**
* select color to be replaced by skin
*/
$red = imagecolorat($im, 255,400);
for ($x=0; $x<500; $x++) {
    for ($y=0; $y<508; $y++) {
        if (imagecolorat($im,$x,$y) == $red) {
            $skinpix = imagecolorat($skin,$x,$y);
            imagesetpixel($im,$x,$y,$skinpix);
        }
    }
}
header("content-type: image/png");
imagepng($im);
imagedestroy($im);
imagedestroy($skin);
imagedestroy($dragon);
imagedestroy($tile);
?>

[kernelgpf]

Yup, that's it. I'll have the base dragon images painted red, and have it substitute the hex color for the file. =P Thanks again, Barand.