-
-
Save bantya/79072a604f413cc3ed500274b15705b4 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
static function detect($path1, $path2, $colorPrecision = null, $gaussianBlur = false) | |
{ | |
$img1 = imagecreatefrompng($path1); | |
$img2 = imagecreatefrompng($path2); | |
$w1 = imagesx($img1); $h1 = imagesy($img1); | |
$w2 = imagesx($img2); $h2 = imagesy($img2); | |
# Stop early if the size of images such that images can not be part of each other | |
if (($w1 > $w2 && $h2 > $h1)) | |
return 0; | |
if ($w2 > $w1 && $h1 > $h2) | |
return 0; | |
if ($gaussianBlur) | |
{ | |
imagefilter($img1, IMG_FILTER_GAUSSIAN_BLUR); | |
imagefilter($img2, IMG_FILTER_GAUSSIAN_BLUR); | |
} | |
# Find which image can be part of which image | |
if ($w1 > $w2 || $h1 > $h2 | |
|| ($w1 == $w2 && $h1 >= $h2) | |
|| ($h1 == $h2 && $w1 >= $w2)) | |
{ | |
$full = $img1; $wf = $w1; $hf = $h1; | |
$part = $img2; $wp = $w2; $hp = $h2; | |
$potentialResult = 1; | |
} | |
else | |
{ | |
$full = $img2; $wf = $w2; $hf = $h2; | |
$part = $img1; $wp = $w1; $hp = $h1; | |
$potentialResult = -1; | |
} | |
$rgbFull = $rgbPart = array(); | |
$maxX = $wf-$wp; | |
$maxY = $hf-$hp; | |
# $left, $top - coordinate on the full image where we place the part image | |
for($left = 0; $left <= $maxX; $left++) | |
for($top = 0; $top <= $maxY; $top++) | |
{ | |
# Loop over part image | |
$imageFailed = false; | |
for ($xi = 0; $xi < $wp; $xi++) | |
{ | |
for ($yi = 0; $yi < $hp; $yi++) | |
{ | |
if (!self::sameColors($full, $left+$xi, $top+$yi, $part, $xi, $yi, $colorPrecision)) | |
{ | |
$imageFailed = true; | |
break; | |
} | |
} | |
if ($imageFailed) | |
break; | |
} | |
if (!$imageFailed) | |
{ | |
imagedestroy($img1); | |
imagedestroy($img2); | |
return $potentialResult; | |
} | |
} | |
imagedestroy($img1); | |
imagedestroy($img2); | |
return 0; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment