function GetImagePalette($imagepath, $post_id, $range = 10)
{
$command = 'convert ' . $imagepath . ' -colors ' . $range . ' +dither -format %c histogram:info: &';
exec($command, $colors, $exit);
$palette = array();
foreach ($colors as $color) {
preg_match('/( {2,})(\\d+:) (\\(.+\\)) (#.{6}) (.+)/i', $color, $matches);
if (isset($matches[2])) {
@($PIXELS = (int) substr($matches[2], 0, strlen($matches[2]) - 1));
@($PERCENT = $PIXELS / 120000 * 100);
@($HEX = $matches[4]);
@($CLEAN_RGBA = str_replace(' ', '', substr($matches[3], 1, strlen($matches[3]) - 2)));
// var_dump($CLEAN_RGBA);
$P_RGBA = explode(',', $CLEAN_RGBA);
$R = $P_RGBA[0];
$G = $P_RGBA[1];
$B = $P_RGBA[2];
if (isset($P_RGBA[3])) {
$A = $P_RGBA[3];
} else {
$A = null;
}
$RGBA = array('R' => $R, 'G' => $G, 'B' => $B, 'A' => $A);
$RGB = array('R' => $R, 'G' => $G, 'B' => $B);
$HSL = RGBToHSL($RGB);
$XYZ = RGBToXYZ(array('R' => $RGBA['R'], 'G' => $RGBA['G'], 'B' => $RGBA['A']));
$LAB = XYZToLAB($XYZ);
$COLOR_DATA = array('palette_post_id' => $post_id, 'PERCENT' => $PERCENT, 'HEX' => $HEX, 'RGBA_R' => $RGBA['R'], 'RGBA_G' => $RGBA['G'], 'RGBA_B' => $RGBA['B'], 'RGBA_A' => $RGBA['A'], 'HSL_H' => $HSL['H'], 'HSL_S' => $HSL['S'], 'HSL_L' => $HSL['L'], 'LAB_L' => $LAB['L'], 'LAB_A' => $LAB['A'], 'LAB_B' => $LAB['B']);
if ($PERCENT > 0.2) {
array_push($palette, $COLOR_DATA);
}
}
}
return $palette;
}
public function im_get()
{
$dir = "/home/pedro/work/tribble/data/b5e0eaebec229148d61d1881b27d1865e1bb5003/";
$url = "data/b5e0eaebec229148d61d1881b27d1865e1bb5003/";
$imagename = $this->get('f');
$command = 'convert ' . $dir . $imagename . ' -colors 10 -format %c histogram:info: &';
// var_dump($command);
exec($command, $colors, $exit);
// var_dump($out);
$histogram = array();
$hue_matrix = array();
$interval = 0.05;
if ($exit == 0) {
foreach ($colors as $color) {
preg_match('/( {2,})(\\d+:) (\\(.+\\)) (#.{6}) (.+)/i', $color, $matches);
if (isset($matches[2])) {
@($PIXELS = (int) substr($matches[2], 0, strlen($matches[2]) - 1));
@($PERCENT = $PIXELS / 120000 * 100);
@($HEX = $matches[4]);
@($CLEAN_RGBA = str_replace(' ', '', substr($matches[3], 1, strlen($matches[3]) - 2)));
// var_dump($matches[5]);
// var_dump($CLEAN_RGBA);
@(list($R, $G, $B, $A) = explode(',', $CLEAN_RGBA));
@($RGBA = array('R' => $R, 'G' => $G, 'B' => $B, 'A' => $A));
$HSV = RGBToHSV($RGBA['R'], $RGBA['G'], $RGBA['B']);
$XYZ = RGBToXYZ(array('R' => $RGBA['R'], 'G' => $RGBA['G'], 'B' => $RGBA['B']));
$LAB = XYZToLAB($XYZ);
$COLOR_DATA = array('PERCENTAGE' => $PERCENT, 'PIXEL_COUNT' => $PIXELS, 'HEX' => $HEX, 'RGBA' => $RGBA, 'HSV' => $HSV, 'LAB' => $LAB);
if ($PERCENT > 0.68) {
@array_push($histogram, $COLOR_DATA);
}
}
}
foreach ($histogram as $HC) {
$hue = 0;
while ($hue < 1) {
if ($HC['HSV']['H'] >= $hue && $HC['HSV']['H'] < $hue + $interval) {
// echo 'Hue: '.$hue.' - color: '.$COLOR_DATA['HSV']['H'].'<br>';
$hue_matrix[(string) $hue][] = $HC;
}
$hue += $interval;
}
}
// var_dump($hue_matrix);
ksort($hue_matrix);
foreach ($hue_matrix as $hue_interval => $colors) {
echo "<h3>Hue: " . $hue_interval . " to " . ($hue_interval + $interval) . " - " . count($colors) . " colors</h3>";
krsort($colors);
foreach ($colors as $color) {
if ($color['HSV']['V'] < 0.5 && $color['HSV']['S'] <= 1) {
$text = "#fff";
} else {
$text = "#000";
}
echo '<div style="font-family: sans-serif; padding: 10px; color: ' . $text . '; background-color: ' . $color['HEX'] . '">';
echo 'PERGENTAGE: ' . $color['PERCENTAGE'] . '% - H: ' . $color['HSV']['H'] . ' S: ' . $color['HSV']['S'] . ' V: ' . $color['HSV']['V'];
echo '</div>';
// var_dump($color['HEX']);
}
}
// arsort($histogram);
echo "<style>pre, h3, hr {clear: both;} p {font-size: 12px; text-align: center; line-height: 36px; margin: 0; }</style>";
echo '<img src="http://10.134.132.97:8082/' . $url . $imagename . '">';
echo "<hr>";
echo "<h3>Palette colors: " . count($histogram) . "</h3>";
ksort($histogram);
foreach ($histogram as $color) {
if ($color['HSV']['V'] < 0.8 && $color['HSV']['S'] <= 1) {
$text = "#fff";
} else {
$text = "#000";
}
$display = '<div style="float: left; color: ' . $text . '; margin: 1px;">';
$display .= '<div style="width: 150px; height: 150px; background-color: ' . $color['HEX'] . '">';
$display .= '<p>' . round($color['PERCENTAGE'], 5) . '%</p>';
$display .= '<p>H: ' . $color['HSV']['H'] . '</p>';
$display .= '<p>S: ' . $color['HSV']['S'] . '</p>';
$display .= '<p>V: ' . $color['HSV']['V'] . '</p>';
$display .= '</div></div>';
echo $display;
}
}
}
function colorSearch($HEX, $VARIATION = 40, $COVERAGE = 10)
{
if (strlen($HEX) != 6) {
// exit('VAI MEXER NO CARALHO!');
}
$RGB = HEXToRGB($HEX);
$HSL = RGBToHSL($RGB);
$XYZ = RGBToXYZ($RGB);
$LAB1 = XYZToLAB($XYZ);
// CHECK IF HUE IS NEAR 0 - RED
$HSL['H'] >= 350 || $HSL['H'] <= 20 ? $RED = true : ($RED = false);
// CHECK IF HUE IS NEAR 0 - RED
$HSL['H'] >= 21 && $HSL['H'] <= 70 ? $YELLOW = true : ($YELLOW = false);
// CHECK IF HUE IS NEAR 120 - GREEN
$HSL['H'] >= 71 && $HSL['H'] < 165 ? $GREEN = true : ($GREEN = false);
// CHECK IF HUE IS NEAR 240 - BLUE
$HSL['H'] >= 1166 && $HSL['H'] < 350 ? $BLUE = true : ($BLUE = false);
$H_VARIATION = $VARIATION * 360 / 100 / 20;
$L_VARIATION = $VARIATION / 1.2;
$S_VARIATION = $VARIATION * 3.5;
if ($RED) {
$H_VARIATION = $VARIATION * 360 / 100 / 30;
$L_VARIATION = $VARIATION * 1.2;
$S_VARIATION = $VARIATION / 1.1;
} elseif ($YELLOW) {
$H_VARIATION = $VARIATION * 360 / 100 / 80;
$L_VARIATION = $VARIATION / 1;
$S_VARIATION = $VARIATION * 1;
} elseif ($GREEN) {
$H_VARIATION = $VARIATION * 360 / 100 / 20;
$L_VARIATION = $VARIATION / 1;
$S_VARIATION = $VARIATION * 1;
} elseif ($BLUE) {
$H_VARIATION = $VARIATION * 360 / 100 / 20;
$L_VARIATION = $VARIATION / 1.2;
$S_VARIATION = $VARIATION * 3.5;
}
$DELTA_VARIATION = 80 / 100 * $VARIATION;
$HB = $HSL['H'] - $H_VARIATION * 3.5;
$HT = $HSL['H'] + $H_VARIATION * 3;
$HB < 0 ? $H_BOTTOM = 360 + $HB : ($H_BOTTOM = $HB);
$HT > 360 ? @($H_TOP += $HT - 360) : ($H_TOP = $HT);
$DELTA = 0;
if ($H_BOTTOM > $H_TOP) {
$DELTA = 360 - $H_BOTTOM;
$H_BOTTOM = 0;
$H_TOP = $H_TOP + $DELTA;
}
$SB = $HSL['S'] - $S_VARIATION;
$ST = $HSL['S'] + $S_VARIATION;
$SB < 0 ? $S_BOTTOM = 0 : ($S_BOTTOM = $SB);
$ST > 100 ? $S_TOP = 100 : ($S_TOP = $ST);
$LB = $HSL['L'] - $L_VARIATION;
$LT = $HSL['L'] + $L_VARIATION;
$LB < 0 ? $L_BOTTOM = 0 : ($L_BOTTOM = $LB);
$LT > 100 ? $L_TOP = 100 : ($L_TOP = $LT);
// check if the search color is grey(ish)
$HSL['S'] < 3 ? $is_grey = true : ($is_grey = false);
$this->db->select('tr_palette.palette_post_id, HEX, PERCENT, HSL_H, HSL_S, HSL_L, LAB_L as L, LAB_A as A, LAB_B as B');
$this->db->distinct();
$this->db->from('palette');
$this->db->join('post', 'tr_post.post_id = tr_palette.palette_post_id', 'inner');
$this->db->where('tr_palette.HSL_H + ' . $DELTA . ' BETWEEN ' . $H_BOTTOM . ' AND ' . $H_TOP);
$this->db->where('tr_palette.HSL_S BETWEEN ' . $S_BOTTOM . ' AND ' . $S_TOP);
$this->db->where('tr_palette.HSL_L BETWEEN ' . $L_BOTTOM . ' AND ' . $L_TOP);
$this->db->where('tr_palette.PERCENT > ' . $COVERAGE);
$this->db->where(array('tr_post.post_is_deleted' => 0));
$this->db->group_by('post_id');
$query = $this->db->get();
$COLORS = $query->result();
if (count($COLORS) == 0) {
return 0;
}
$GREY_FILTERED_COLORS = array();
if (!$is_grey) {
foreach ($COLORS as $COLOR) {
if ($COLOR->HSL_H != 0 && $COLOR->HSL_S != 0 && $COLOR->HSL_S > 15 && $COLOR->HSL_L > 15) {
// var_dump($COLOR);
array_push($GREY_FILTERED_COLORS, $COLOR);
}
}
} else {
foreach ($COLORS as $COLOR) {
if ($COLOR->HSL_S == 0 && $COLOR->HSL_S < 3) {
// var_dump($COLOR);
array_push($GREY_FILTERED_COLORS, $COLOR);
}
}
}
return array('post_count' => count($GREY_FILTERED_COLORS), 'posts' => $GREY_FILTERED_COLORS, 'HSL' => $HSL);
}
