public function drawPolygon(Image_3D_Polygon $polygon)
{
// Get points
$points = $polygon->getPoints();
$coords = array();
foreach ($points as $point) {
$coords = array_merge($coords, $point->getScreenCoordinates());
}
$coordCount = (int) (count($coords) / 2);
if (true) {
imageFilledPolygon($this->_image, $coords, $coordCount, $this->_getColor($polygon->getColor()));
} else {
imagePolygon($this->_image, $coords, $coordCount, $this->_getColor($polygon->getColor()));
}
}
function make_img($content)
{
$timage = array(strlen($content) * 20 + 10, 28);
// array(largeur, hauteur) de l'image; ici la largeur est fonction du nombre de lettre du contenu, on peut bien sur mettre une largeur fixe.
$content = preg_replace('/(\\w)/', '\\1 ', $content);
// laisse plus d'espace entre les lettres
$image = imagecreatetruecolor($timage[0], $timage[1]);
// création de l'image
// definition des couleurs
$fond = imageColorAllocate($image, 240, 255, 240);
$grey = imageColorAllocate($image, 210, 210, 210);
$text_color = imageColorAllocate($image, rand(0, 100), rand(0, 50), rand(0, 60));
imageFill($image, 0, 0, $fond);
// on remplit l'image de blanc
//On remplit l'image avec des polygones
for ($i = 0, $imax = mt_rand(3, 5); $i < $imax; $i++) {
$x = mt_rand(3, 10);
$poly = array();
for ($j = 0; $j < $x; $j++) {
$poly[] = mt_rand(0, $timage[0]);
$poly[] = mt_rand(0, $timage[1]);
}
imageFilledPolygon($image, $poly, $x, imageColorAllocate($image, mt_rand(150, 255), mt_rand(150, 255), mt_rand(150, 255)));
}
// Création des pixels gris
for ($i = 0; $i < $timage[0] * $timage[1] / rand(15, 18); $i++) {
imageSetPixel($image, rand(0, $timage[0]), rand(0, $timage[1]), $grey);
}
// affichage du texte demandé; on le centre en hauteur et largeur (à peu près ^^")
//imageString($image, 5, ceil($timage[0]-strlen($content)*8)/2, ceil($timage[1]/2)-9, $content, $text_color);
$longueur_chaine = strlen($content);
for ($ch = 0; $ch < $longueur_chaine; $ch++) {
imagettftext($image, 18, mt_rand(-30, 30), 10 * ($ch + 1), mt_rand(18, 20), $text_color, 'res/georgia.ttf', $content[$ch]);
}
$type = function_exists('imageJpeg') ? 'jpeg' : 'png';
@header('Content-Type: image/' . $type);
@header('Cache-control: no-cache, no-store');
$type == 'png' ? imagePng($image) : imageJpeg($image);
ImageDestroy($image);
exit;
}
foreach ($per_host as $index => $percent) {
$week_day++;
if ($week_day > 6) {
$week_day -= 7;
}
if ($index / 2 == (int) ($index / 2)) {
$color = imageColorAllocate($img, 249, 243, 70);
$color2 = imageColorAllocate($img, 242, 226, 42);
$color3 = imageColorAllocate($img, 226, 210, 34);
} else {
$color = imageColorAllocate($img, 11, 215, 252);
$color2 = imageColorAllocate($img, 7, 203, 239);
$color3 = imageColorAllocate($img, 7, 187, 219);
}
$y1 = round($imageW - $imageW * $percent + 12);
imageFilledRectangle($img, $x1, $y1, $x2, $y2, $color);
$points = array(0 => $x1, 1 => $y1, 2 => $x1 + 3, 3 => $y1 - 5, 4 => $x1 + $collW + 3, 5 => $y1 - 5, 6 => $x2, 7 => $y1);
imageFilledPolygon($img, $points, 4, $color2);
$points = array(0 => $x2, 1 => $y1, 2 => $x1 + $collW + 3, 3 => $y1 - 5, 4 => $x1 + $collW + 3, 5 => $y2 - 5, 6 => $x2, 7 => $y2);
imageFilledPolygon($img, $points, 4, $color3);
// imageTTFtext($img, 7, 90, $x1+8, 50, $colorBlack, BASEDIR.'/assets/fonts/font.ttf', $host_data[$index]);
imagestringup($img, 1, $x1 + 3, 52, $host_data[$index], $colorBlack);
imageTTFtext($img, 6, 0, $x1 + 3, 66, $colorBlack, BASEDIR . '/assets/fonts/font.ttf', $arr_week[$week_day]);
$x1 += $collW;
$x2 += $collW;
}
//Header("Content-type: image/gif");
ImageGIF($img, BASEDIR . $imagecache);
ImageDestroy($img);
}
echo '<img src="' . $imagecache . '?' . date_fixed(SITETIME, "dmY") . '" alt="Неделя" /><br /><br />';
function cellplot($im, $sz, $C, $cellsize, $e)
{
list($sv, $el, $az, $snr, $u) = $e;
if (0 == $sv || 0 == $az + $el + $snr || $az < 0 || $el < 0) {
return;
}
$color = $C['brightgreen'];
if ($snr < 40) {
$color = $C['darkgreen'];
}
if ($snr < 35) {
$color = $C['yellow'];
}
if ($snr < 30) {
$color = $C['red'];
}
if ($snr < 15) {
$color = $C['dkgray'];
}
#consider an N-degree cell plotted at (0,0). its top left corner
#will be (0,0) and its bottom right corner will be at (N,N). The
#sides are straight lines from (0,0)-(0,N) and (N,0)-(N,N). The
#top and bottom edges will be approximated by segments from
#(0,0):(0,1)..(0,N-1):(0,N) and (N,0):(N,1)...(N,N-1):(N,N).
#Plotting that unholy mess is the job of
# imagefilledpolygon ( $image, array $points, $num_points, $color )
$np = 0;
$points = array();
for ($x = $az; $x <= $az + $cellsize; $x++) {
list($px, $py) = azel2xy($x, $el, $sz);
array_push($points, $px, $py);
$np++;
}
for ($x = $az + $cellsize; $x >= $az; $x--) {
list($px, $py) = azel2xy($x, $el + $cellsize, $sz);
array_push($points, $px, $py);
$np++;
}
list($px, $py) = azel2xy($az, $el, $sz);
array_push($points, $px, $py);
$np++;
if ($snr > 0) {
imageFilledPolygon($im, $points, $np, $color);
}
}
function draw_polygon($points, $num_points, $color, $filled)
{
if ($filled) {
imageFilledPolygon($this->image, $points, $num_points, $color);
} else {
imagePolygon($this->image, $points, $num_points, $color);
}
}
/**
* Function: drawPolygon
*
* Draws the given polygon.
*/
function drawPolygon($points, $fill = null, $stroke = null, $shadow = false)
{
if (isset($this->image)) {
$n = sizeof($points) / 2;
if (isset($fill)) {
if ($shadow) {
imageFilledPolygon($this->image, $this->offset($points), $n, $this->shadowColor);
}
$fill = $this->getColor($fill);
imageFilledPolygon($this->image, $points, $n, $fill);
}
if (isset($stroke)) {
$stroke = $this->getColor($stroke);
imagePolygon($this->image, $points, $n, $stroke);
}
}
}
/**
* DrawShadowedPolygon is a wrapper to the imageFilledPolygon GD function that
* first creates a drop shadow.
*
* @param $verts The vertices for the polygon
* @param $color The color you want the polygon to be
*/
function DrawShadowedPolygon($verts, $color, $color)
{
for ($i = 0; $i < sizeof($verts); $i++) {
$this->translate($verts[$i], $verts[$i + 1], $verts[$i], $verts[++$i]);
}
imageFilledPolygon($this->im, $verts, sizeof($verts) / 2, $color);
}
<?php
## Увеличение картинки со сглаживанием.
$tile = imageCreateFromJpeg("sample1.jpg");
$im = imageCreateTrueColor(800, 600);
imageFill($im, 0, 0, imageColorAllocate($im, 0, 255, 0));
imageSetTile($im, $tile);
// Создаем массив точек со случайными координатами.
$p = [];
for ($i = 0; $i < 4; $i++) {
array_push($p, mt_rand(0, imageSX($im)), mt_rand(0, imageSY($im)));
}
// Рисуем закрашенный многоугольник.
imageFilledPolygon($im, $p, count($p) / 2, IMG_COLOR_TILED);
// Выводим результат.
header("Content-type: image/jpeg");
// Выводим картинку с максимальным качеством (100).
imageJpeg($im, '', 100);
// Можно было сжать с помощью PNG.
#header("Content-type: image/png");
#imagePng($im);