function test_shape(&$canvas)
{
$draw = new ImagickDraw();
$draw->setFillColor('transparent');
$draw->setStrokeColor('#F02B88');
$draw->setStrokeWidth(9);
$draw->translate(200, 100);
$draw->rectangle(-50, -50, 50, 50);
$draw->translate(200, 100);
$draw->ellipse(0, 0, 100, 80, 0, 360);
$draw->skewX(-30);
$draw->translate(200, 100);
$draw->circle(0, 0, 50, 50);
$canvas->drawImage($draw);
}
function renderImage3()
{
//dupe of two ?
$draw = new \ImagickDraw();
$strokeColor = new \ImagickPixel($this->strokeColor);
$fillColor = new \ImagickPixel($this->fillColor);
$draw->setStrokeWidth(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$fillRules = [\Imagick::FILLRULE_NONZERO, \Imagick::FILLRULE_EVENODD];
$points = 11;
$size = 150;
$draw->translate(175, 160);
for ($x = 0; $x < 2; $x++) {
//$pointsArray = array();
$draw->setFillRule($fillRules[$x]);
$draw->pathStart();
for ($n = 0; $n < $points * 2; $n++) {
if ($n >= $points) {
$angle = fmod($n * 360 * 4 / $points, 360) * pi() / 180;
} else {
$angle = fmod($n * 360 * 3 / $points, 360) * pi() / 180;
}
$positionX = $size * sin($angle);
$positionY = $size * cos($angle);
if ($n == 0) {
$draw->pathMoveToAbsolute($positionX, $positionY);
} else {
$draw->pathLineToAbsolute($positionX, $positionY);
}
}
$draw->pathClose();
$draw->pathFinish();
$draw->translate(325, 0);
}
//Create an image object which the draw commands can be rendered into
$image = new \Imagick();
//$image->newImage(700, 320, $this->backgroundColor);
$image->newImage(700, 320, "#eee");
$image->setImageFormat("png");
//Render the draw commands in the ImagickDraw object
//into the image.
$image->drawImage($draw);
//Send the image to the browser
header("Content-Type: image/png");
echo $image->getImageBlob();
}
function makeSimpleGif($deconstruct)
{
$aniGif = new \Imagick();
$aniGif->setFormat("gif");
$circleRadius = 20;
$imageFrames = 40;
$imageSize = 200;
$background = new \Imagick();
$background->newpseudoimage($imageSize, $imageSize, "plasma:tomato-steelblue");
$blackWhite = new \Imagick();
$blackWhite->newpseudoimage($imageSize, $imageSize, "gradient:black-white");
$backgroundPalette = clone $background;
$backgroundPalette->quantizeImage(240, \Imagick::COLORSPACE_RGB, 8, false, false);
$blackWhitePalette = clone $blackWhite;
$blackWhitePalette->quantizeImage(16, \Imagick::COLORSPACE_RGB, 8, false, false);
$backgroundPalette->addimage($blackWhitePalette);
for ($count = 0; $count < $imageFrames; $count++) {
$drawing = new \ImagickDraw();
$drawing->setFillColor('white');
$drawing->setStrokeColor('rgba(64, 64, 64, 0.8)');
$strokeWidth = 4;
$drawing->setStrokeWidth($strokeWidth);
$distanceToMove = $imageSize + ($circleRadius + $strokeWidth) * 2;
$offset = $distanceToMove * $count / ($imageFrames - 1) - ($circleRadius + $strokeWidth);
$drawing->translate($offset, $imageSize / 2 + $imageSize / 3 * cos(20 * $count / $imageFrames));
$drawing->circle(0, 0, $circleRadius, 0);
$frame = clone $background;
$frame->drawimage($drawing);
$frame->clutimage($backgroundPalette);
$frame->setImageDelay(10);
$aniGif->addImage($frame);
}
if ($deconstruct == true) {
$aniGif = $aniGif->deconstructImages();
}
header("Content-Type: image/gif");
echo $aniGif->getImagesBlob();
}
function drawBezierChart($points, $roundness)
{
//Calculate the tangent vector for each point that you're drawing.
$tangents = $this->getPointTangents($points);
$positions = $this->getPointPositions($points);
$numberOfPoints = count($points);
$this->draw->setFillColor('#B42AAF9F');
$this->draw->translate($this->chartWidth / 2, $this->chartHeight / 2);
$this->draw->pathStart();
$this->draw->pathMoveToAbsolute($positions[0][0], $positions[0][1]);
//Scale that by the 'value' of each point aka the distance from the chart's centre.
//Also scale it by how rounded you want the chart.
for ($i = 0; $i < $numberOfPoints; $i++) {
list($nextPositionX, $nextPositionY) = $positions[($i + 1) % $numberOfPoints];
list($controlPoint1X, $controlPoint1Y) = $this->getControlPoint($points[$i], $positions[$i], $tangents[$i], 1, $roundness, count($points));
list($controlPoint2X, $controlPoint2Y) = $this->getControlPoint($points[($i + 1) % $numberOfPoints], $positions[($i + 1) % $numberOfPoints], $tangents[($i + 1) % $numberOfPoints], -1, $roundness, count($points));
$this->draw->pathCurveToAbsolute($controlPoint1X, $controlPoint1Y, $controlPoint2X, $controlPoint2Y, $nextPositionX, $nextPositionY);
}
$this->draw->pathClose();
$this->draw->pathFinish();
foreach ($this->points as $point) {
$this->draw->circle($point[0], $point[1], $point[2], $point[3]);
}
}
function renderKernel(ImagickKernel $imagickKernel)
{
$matrix = $imagickKernel->getMatrix();
$imageMargin = 20;
$tileSize = 20;
$tileSpace = 4;
$shadowSigma = 4;
$shadowDropX = 20;
$shadowDropY = 0;
$radius = $tileSize / 2 * 0.9;
$rows = count($matrix);
$columns = count($matrix[0]);
$imagickDraw = new \ImagickDraw();
$imagickDraw->setFillColor('#afafaf');
$imagickDraw->setStrokeColor('none');
$imagickDraw->translate($imageMargin, $imageMargin);
$imagickDraw->push();
ksort($matrix);
foreach ($matrix as $row) {
ksort($row);
$imagickDraw->push();
foreach ($row as $cell) {
if ($cell !== false) {
$color = intval(255 * $cell);
$colorString = sprintf("rgb(%f, %f, %f)", $color, $color, $color);
$imagickDraw->setFillColor($colorString);
$imagickDraw->rectangle(0, 0, $tileSize, $tileSize);
}
$imagickDraw->translate($tileSize + $tileSpace, 0);
}
$imagickDraw->pop();
$imagickDraw->translate(0, $tileSize + $tileSpace);
}
$imagickDraw->pop();
$width = $columns * $tileSize + ($columns - 1) * $tileSpace;
$height = $rows * $tileSize + ($rows - 1) * $tileSpace;
$imagickDraw->push();
$imagickDraw->translate($width / 2, $height / 2);
$imagickDraw->setFillColor('rgba(0, 0, 0, 0)');
$imagickDraw->setStrokeColor('white');
$imagickDraw->circle(0, 0, $radius - 1, 0);
$imagickDraw->setStrokeColor('black');
$imagickDraw->circle(0, 0, $radius, 0);
$imagickDraw->pop();
$canvasWidth = $width + 2 * $imageMargin;
$canvasHeight = $height + 2 * $imageMargin;
$kernel = new \Imagick();
$kernel->newPseudoImage($canvasWidth, $canvasHeight, 'canvas:none');
$kernel->setImageFormat('png');
$kernel->drawImage($imagickDraw);
/* create drop shadow on it's own layer */
$canvas = $kernel->clone();
$canvas->setImageBackgroundColor(new \ImagickPixel('rgb(0, 0, 0)'));
$canvas->shadowImage(100, $shadowSigma, $shadowDropX, $shadowDropY);
$canvas->setImagePage($canvasWidth, $canvasHeight, -5, -5);
$canvas->cropImage($canvasWidth, $canvasHeight, 0, 0);
/* composite original text_layer onto shadow_layer */
$canvas->compositeImage($kernel, \Imagick::COMPOSITE_OVER, 0, 0);
$canvas->setImageFormat('png');
return $canvas;
}
function whirlyGif($numberDots, $numberFrames, $loopTime, $backgroundColor, $phaseMultiplier, $phaseDivider)
{
$aniGif = new \Imagick();
$aniGif->setFormat("gif");
$width = 500;
$height = $width;
$numberDots = intval($numberDots);
if ($numberDots < 1) {
$numberDots = 1;
}
$maxFrames = $numberFrames;
$frameDelay = ceil($loopTime / $maxFrames);
$scale = 1;
$startColor = new \ImagickPixel('red');
$dots = [];
for ($i = 0; $i < $numberDots; $i++) {
$colorInfo = $startColor->getHSL();
//Rotate the hue by 180 degrees
$newHue = $colorInfo['hue'] + $i / $numberDots;
if ($newHue > 1) {
$newHue = $newHue - 1;
}
//Set the ImagickPixel to the new color
$color = new \ImagickPixel('#ffffff');
$colorInfo['saturation'] *= 0.95;
$color->setHSL($newHue, $colorInfo['saturation'], $colorInfo['luminosity']);
$dots[] = new Dot($color, $i, $numberDots, $width, $height);
}
for ($frame = 0; $frame < $maxFrames; $frame++) {
$draw = new \ImagickDraw();
$draw->setStrokeColor('none');
$draw->setFillColor('none');
$draw->rectangle(0, 0, $width, $height);
$draw->translate($width / 2, $height / 2);
foreach ($dots as $dot) {
/** @var $dot Dot */
$dot->render($draw, $frame, $maxFrames, $phaseMultiplier, $phaseDivider);
}
//Create an image object which the draw commands can be rendered into
$imagick = new \Imagick();
$imagick->newImage($width * $scale, $height * $scale, $backgroundColor);
$imagick->setImageFormat("png");
$imagick->setImageDispose(\Imagick::DISPOSE_PREVIOUS);
//Render the draw commands in the ImagickDraw object
//into the image.
$imagick->drawImage($draw);
$imagick->setImageDelay($frameDelay);
$aniGif->addImage($imagick);
$imagick->destroy();
}
$aniGif->setImageFormat('gif');
$aniGif->setImageIterations(0);
//loop forever
$aniGif->mergeImageLayers(\Imagick::LAYERMETHOD_OPTIMIZEPLUS);
header("Content-Type: image/gif");
echo $aniGif->getImagesBlob();
}
function inici()
{
/*
* Declaració de les variables apuntadores a l'array global.
*/
$array_notes = $GLOBALS['notes'];
$nAlumnes = $GLOBALS['alumnes'];
$pixels = $GLOBALS['pixels'];
$marge = $GLOBALS['marge'];
/*
* Declaració del context ImagickDraw ($draw); translació del punt
* d'origen a la cantonada inferior esquerra.
*
* Degut a que la Y augmenta en sentit descendent, els valors verticals
* han d'augmentar negativament
*/
$draw = new \ImagickDraw();
$draw->translate($marge, 500 - $marge);
/*
* Crida de les funcions que dibuixen el gràfic.
*/
dibuixaEix($draw);
dibuixaBarres($draw);
/*
* Declaració de la imatge (objecte $imagick)
*/
$imagick = new \Imagick();
$imagick->newImage($nAlumnes * $pixels + 2 * $marge, 500, $GLOBALS['backgroundColor']);
$imagick->setImageFormat("png");
/*
* Dibuix final de la imatge. Ara es quan apareix tot a la pantalla.
*/
$imagick->drawImage($draw);
$imagick->setImageFormat("png");
file_put_contents("image/grafico.png", $imagick);
/*
* Misc.
*/
//header("Content-Type: image/png");
// echo $imagick->getImageBlob();
echo "<div id='container'><img src='/image/grafico.png'/></div>";
}
/**
* Funció dibuixaEixos
* Li pasem per els parametres el array assignatures i el array de notes
* Creem el grafic, el guardem i el mostrem
*/
function dibuixaEixos($array_assignatura, $array_notes)
{
$colorAprobats = '#00cc00';
//fillColorA
$colorSuspesos = '#ff0000';
//fillColorS
$im = new Imagick();
$im->newImage(1400, 500, 'White');
$draw = new ImagickDraw();
$draw->translate(25, 500 - 25);
//$draw->setFillColor('none');
$draw->setStrokeColor('Black');
$draw->setStrokeWidth(1);
$draw->setFont("fonts/Aaargh.ttf");
$draw->setFontSize(12);
/**
* Dibuixa els eixos x i y
*
*/
$draw->line(0, 0, 50 * count($array_assignatura) + 15, 0);
//eix x _
$draw->line(0, 0, 0, -45 * 10);
//eix y |
/**
* Dibuixa les linies del eix y
*
*/
$n = 0;
for ($i = 0; $i <= 45 * 10; $i++) {
if ($i % 45 == 0) {
$draw->line(0, -$i, -5, -$i);
$draw->annotation(-15, -$i, $n);
$n++;
}
}
$draw->setFontSize(13);
$i = 15;
$n = 0;
foreach ($array_notes as $nota) {
if ($GLOBALS['aprosus']) {
if ($nota < 5) {
$draw->setFillColor($colorSuspesos);
} else {
$draw->setFillColor($colorAprobats);
}
} else {
$draw->setFillColor('#0000ff');
}
$draw->rectangle($i, 0, $i + 45, -$nota * 45);
/* Escriu el text */
$draw->annotation($i, 15, $array_assignatura[$n]);
$n++;
$i = $i + 45 + 15;
}
$im->drawImage($draw);
$im->setImageFormat("png");
//file_put_contents ("draw_polyline.png", $imagick);
$im->writeImage('draw_grafic.jpg');
//echo $num_assig." i ".$max_notes;
echo "<img src='draw_grafic.jpg'/>";
}
function translate($strokeColor, $fillColor, $backgroundColor, $fillModifiedColor, $startX, $startY, $endX, $endY, $translateX, $translateY)
{
$draw = new \ImagickDraw();
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->rectangle($startX, $startY, $endX, $endY);
$draw->setFillColor($fillModifiedColor);
$draw->translate($translateX, $translateY);
$draw->rectangle($startX, $startY, $endX, $endY);
$image = new \Imagick();
$image->newImage(500, 500, $backgroundColor);
$image->setImageFormat("png");
$image->drawImage($draw);
header("Content-Type: image/png");
echo $image->getImageBlob();
}
function inici()
{
/*
* Declaració de les variables apuntadores a l'array global.
*/
$array_notes = $GLOBALS['notes'];
$nAlumnes = $GLOBALS['alumnes'];
$pixels = $GLOBALS['pixels'];
$marge = $GLOBALS['marge'];
$ampl = $GLOBALS['horitzontal'];
$alt = $GLOBALS['vertical'];
/*
* Declaració de la imatge (objecte $imagick)
*/
$imagick = new \Imagick();
$imagick->newImage($ampl, $alt, $GLOBALS['backgroundColor']);
$imagick->setImageFormat("png");
/*
* Declaració del context ImagickDraw ($draw) i translació del punt
* d'origen a la cantonada inferior esquerra.
*
* Degut a que la Y augmenta en sentit descendent, els VALORS VERTICALS
* han de ser NEGATIUS per tal que el gràfic es dibuixi cap amunt.
*/
$draw = new \ImagickDraw();
$draw->translate($marge, $alt - 4 * $marge);
/*
* Crida de les funcions que dibuixen el gràfic.
*/
dibuixaEix($draw);
dibuixaBarres($draw, $imagick);
/*
* Dibuix final de la imatge. Ara es quan apareix tot a la pantalla.
*/
$imagick->drawImage($draw);
$imagick->setImageFormat("png");
file_put_contents("image/grafico.png", $imagick);
echo "<div id='container'><img src='/image/grafico.png'/></div>";
}
