/**
* Returns the colors of the image in an array, ordered in descending order, where
* the keys are the colors, and the values are the count of the color.
* @param $filePath the path to the local image file
* @return an array keyed by hex color value, mapping to the frequency of use in the images
*/
public static function GenerateFromLocalImage(ImageFile $file)
{
$pImage = \PMVC\plug('image');
// resize the image for a reasonable amount of colors
$previewSize = new ImageSize(150, 150);
$srcSize = $file->getSize();
$scale = 1;
if ($srcSize->w > 0) {
$scale = min($previewSize->w / $srcSize->w, $previewSize->h / $srcSize->h);
}
if ($scale < 1) {
$destSize = new ImageSize(floor($scale * $srcSize->w), floor($scale * $srcSize->h));
} else {
$destSize = new ImageSize($srcSize->w, $srcSize->h);
}
$image_resized = $pImage->create($destSize);
$image_orig = $pImage->create($file);
//WE NEED NEAREST NEIGHBOR RESIZING, BECAUSE IT DOESN'T ALTER THE COLORS
imagecopyresampled($image_resized, $image_orig, 0, 0, 0, 0, $destSize->w, $destSize->h, $srcSize->w, $srcSize->h);
// walk the image counting colors
$hexarray = [];
$pImage->process($destSize, [$image_resized], function ($point, $im) use(&$hexarray) {
$index = imagecolorat($im, $point->x, $point->y);
$Colors = imagecolorsforindex($im, $index);
$hexarray[] = (new BaseColor($Colors['red'], $Colors['green'], $Colors['blue']))->toHex();
});
$hexarray = array_count_values($hexarray);
natsort($hexarray);
$hexarray = array_slice($hexarray, -10, 10);
$hexarray = array_reverse($hexarray, true);
return $hexarray;
}
function testImageOutput()
{
$pImage = \PMVC\plug('image');
$in = $pImage->create(new ImageSize('100', '100'));
$out = (new ImageOutput($in))->save();
$imageFile = new ImageFile($out);
$this->assertEquals('png', $imageFile->getExt());
}
function create(ImageFile $fileIn, ImageSize $canvasSize, ImageSize $dstSize, Coord2D $dstLoc)
{
$imOut = \PMVC\plug('image')->create($canvasSize);
$caller = $this->caller;
$pColor = \PMVC\plug('color');
$pColor->fill($imOut, $pColor->hexToRgb($caller['color']));
$srcSize = $fileIn->getSize();
imagecopyresized($imOut, $fileIn->toGd(), $dstLoc->x, $dstLoc->y, 0, 0, $dstSize->w, $dstSize->h, $srcSize->w, $srcSize->h);
return $imOut;
}
