rotate, setBrush, drawLineBrush, drawArc methods implemented, few new…

… examples

examples/drawarc.php

@@ -0,0 +1,16 @@
+<?php
+
+require_once 'bootstrap.php';
+$pixelCraft->createImage(100, 100);
+
+$pixelCraft->addColor('red', 255, 0, 0);
+$pixelCraft->addColor('darkred', 90, 0, 0);
+
+for ($i = 60; $i > 50; $i--) {
+    $pixelCraft->drawArc(50, $i, 100, 50, 75, 360, 'darkred', IMG_ARC_PIE);
+}
+
+$pixelCraft->drawArc(50, 50, 100, 50, 75, 360, 'red', IMG_ARC_PIE);
+
+$pixelCraft->scale(2);
+$pixelCraft->renderImage();

examples/rotate.php

@@ -0,0 +1,11 @@
+<?php
+
+require_once 'bootstrap.php';
+
+
+$pixelCraft->loadImage('../assets/fox.jpg');
+$pixelCraft->rotate(90);
+
+$originalFileType = $pixelCraft->getImageType();
+
+$pixelCraft->renderImage($originalFileType);

examples/sierpinski.php

@@ -0,0 +1,25 @@
+<?php
+
+require_once 'bootstrap.php';
+
+$widht = 700;
+$height = 200;
+
+$pixelCraft->createImage($widht, $height);
+$points = array(
+    array('x' => 00, 'y' => 10),
+    array('x' => 0, 'y' => 190),
+    array('x' => 800, 'y' => 190)
+);
+
+$x = $widht;
+$y = $height;
+for ($i = 0; $i < 100000; $i++) {
+    $pixelCraft->drawPixel(round($x), round($y), 'red');
+    $a = rand(0, 2);
+    $x = ($x + $points[$a]['x']) / 2;
+    $y = ($y + $points[$a]['y']) / 2;
+}
+
+
+$pixelCraft->renderImage();

src/api.pixelcraft.php

@@ -90,6 +90,13 @@ class PixelCraft {
      */
     protected $watermark = '';
 
+    /**
+     * Contains currently loaded brush image
+     * 
+     * @var GDimage
+     */
+    protected $brush = '';
+
     /**
      * Schweigen im wald
      */
@@ -703,7 +710,7 @@ public function drawRectangle($x1, $y1, $x2, $y2, $colorName) {
     }
 
     /**
-     * Draws a line
+     * Draws a line using some color
      * 
      * @param int $x1
      * @param int $y1
@@ -717,6 +724,20 @@ public function drawLine($x1, $y1, $x2, $y2, $colorName) {
         imageline($this->image, $x1, $y1, $x2, $y2, $this->allocateColor($colorName));
     }
 
+    /**
+     * Draws a line using preloaded brush
+     * 
+     * @param int $x1
+     * @param int $y1
+     * @param int $x2
+     * @param int $y2
+     * 
+     * @return void
+     */
+    public function drawLineBrush($x1, $y1, $x2, $y2) {
+        imageline($this->image, $x1, $y1, $x2, $y2, IMG_COLOR_BRUSHED);
+    }
+
     /**
      * Puts preloaded watermark on base image
      * 
@@ -863,7 +884,6 @@ public function getColorMap($hex = true) {
         return ($result);
     }
 
-
     /**
      * Calculates the brightness of a pixel at the specified coordinates.
      *
@@ -878,4 +898,48 @@ public function getPixelBrightness($x, $y) {
         $result = $this->rgbToBrightness($pixelColor);
         return ($result);
     }
+
+    /**
+     * Rotates the image by the specified angle clockwise
+     *
+     * @param int $angle The angle in degrees to rotate the image.
+     * 
+     * @return void
+     */
+    public function rotate($angle) {
+        $this->image = imagerotate($this->image, 360 - $angle, 0);
+    }
+
+    /**
+     * Sets the brush for the image using the specified file path.
+     *
+     * @param string $filePath The path to the image file to be used as a brush.
+     * 
+     * @return bool
+     */
+    public function setBrush($filePath) {
+        $result = $this->loadImageFile($filePath, 'brush');
+        if ($result) {
+            imagesetbrush($this->image, $this->brush);
+        }
+        return ($result);
+    }
+
+    /**
+     * Draw a partial arc and fill it
+     *
+     * @param int $x The x-coordinate of the center.
+     * @param int $y The y-coordinate of the center.
+     * @param int $width The width of the arc.
+     * @param int $height The height of the arc.
+     * @param int $startAngle The start angle of the arc in degrees.
+     * @param int $endAngle The end angle of the arc in degrees.
+     * @param string $colorName The name of the color to use for the arc.
+     * @param int $style The style of the arc. Available: IMG_ARC_PIE, IMG_ARC_CHORD, IMG_ARC_NOFILL, IMG_ARC_EDGED
+     *
+     * @return void
+     */
+    public function drawArc($x, $y, $width, $height, $startAngle, $endAngle, $colorName, $style = IMG_ARC_PIE) {
+        imagefilledarc($this->image, $x, $y, $width, $height, $startAngle, $endAngle, $this->allocateColor($colorName), $style);
+    }
 }