protected function SetIndexDarkColor($which_color, $alpha = 0)
 {
     list($r, $g, $b, $a) = $this->SetRGBColor($which_color, $alpha);
     if (!isset($r)) {
         return NULL;
     }
     $r = max(0, $r - 0x30);
     $g = max(0, $g - 0x30);
     $b = max(0, $b - 0x30);
     return ImageColorResolveAlpha($this->img, $r, $g, $b, $a);
 }
    /**
     * Output the element to the canvas
     * @see Image_Graph_Common 
     * @access private
     */
    function _done()
    {
        if (is_a($this->_fillStyle, "Image_Graph_Fill")) {
            $this->_fillStyle->_reset();
        }
                
        if ($this->_background != null) {
            $this->_debug("Drawing background");
            ImageFilledRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $this->_getBackground());
        }

        if ($this->_identify) {
            $this->_debug("Identifying");
            $red = rand(0, 255);
            $green = rand(0, 255);
            $blue = rand(0, 255);
            $color = ImageColorAllocate($this->_canvas(), $red, $green, $blue);
            if (isset($GLOBALS['_Image_Graph_gd2'])) {
                $alphaColor = ImageColorResolveAlpha($this->_canvas(), $red, $green, $blue, 200);
            } else {
                $alphaColor = $color;
            }

            ImageRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $color);
            ImageFilledRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, $alphaColor);

            if ($this->_identifyText) {
                $text = eregi_replace("<[^>]*>([^<]*)", "\\1", $this->_identification());
                if (ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text) > $this->width()) {
                    $x = max($this->_left, min($this->_right, $this->_left + ($this->width() - ImageFontHeight(IMAGE_GRAPH_FONT)) / 2));
                    $y = max($this->_top, min($this->_bottom, $this->_bottom - ($this->height() - ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text)) / 2));
                    ImageStringUp($this->_canvas(), FONT, $x, $y, $text, $color);
                } else {
                    $x = max($this->_left, min($this->_right, $this->_left + ($this->width() - ImageFontWidth(IMAGE_GRAPH_FONT) * strlen($text)) / 2));
                    $y = max($this->_top, min($this->_bottom, $this->_top + ($this->height() - ImageFontHeight(IMAGE_GRAPH_FONT)) / 2));
                    ImageString($this->_canvas(), FONT, $x, $y, $text, $color);
                }
            }
        }

        if ($this->_borderStyle != null) {
            $this->_debug("Drawing border");
            ImageRectangle($this->_canvas(), $this->_left, $this->_top, $this->_right, $this->_bottom, ((is_a($this->_borderStyle, "Image_Graph_Color")) ? $this->_borderStyle->_index : $this->_borderStyle->_getLineStyle()));
        }
        parent::_done();
        
        if ($this->_shadow) {
            $this->_displayShadow();
        }
    }
    /**
     * Output the plotarea to the canvas
     * @access private
     */
    function _done()
    {
        if ($this->_axisX != null) {
            $this->add($this->_axisX);
        }
        if ($this->_axisY != null) {
            $this->add($this->_axisY);
        }

        if ($this->_identify) {
            $red = rand(0, 255);
            $green = rand(0, 255);
            $blue = rand(0, 255);
            $color = ImageColorAllocate($this->_canvas(), $red, $green, $blue);

            if (isset($GLOBALS['_Image_Graph_gd2'])) {
                $alphaColor = ImageColorResolveAlpha($this->_canvas(), $red, $green, $blue, 200);
            } else {
                $alphaColor = $color;
            }

            ImageRectangle($this->_canvas(), $this->_plotLeft, $this->_plotTop, $this->_plotRight, $this->_plotBottom, $color);
            ImageFilledRectangle($this->_canvas(), $this->_plotLeft, $this->_plotTop, $this->_plotRight, $this->_plotBottom, $alphaColor);
        }

        if ($this->_fillStyle) {
            ImageFilledRectangle($this->_canvas(), $this->_plotLeft, $this->_plotTop, $this->_plotRight, $this->_plotBottom, $this->_getFillStyle());
        }

        parent::_done();

        if ($this->_plotBorderStyle) {
            ImageRectangle($this->_canvas(), $this->_plotLeft, $this->_plotTop, $this->_plotRight, $this->_plotBottom, $this->_plotBorderStyle->_getLineStyle());
        }
    }
 /**
  * Sets the parent. The parent chain should ultimately be a GraPHP object
  * @see Image_Graph_Common
  * @param Image_Graph_Common Parent The parent 
  * @access private
  */
 function _setParent(& $parent)
 {
     parent::_setParent($parent);
     if ((!$this->_alpha) or (!$GLOBALS['_Image_Graph_gd2'])) {
         $this->_index = ImageColorAllocate($this->_canvas(), $this->_red, $this->_green, $this->_blue);
     } else {
         $this->_index = ImageColorResolveAlpha($this->_canvas(), $this->_red, $this->_green, $this->_blue, $this->_alpha);
     }
 }
Exemple #5
0
<?php

Header('Content-Type: image/png');
$height = 600;
$txt = 'Carl hacking';
$size = ImageTTFBbox(25, 0, 'timesi', $txt);
$txt_w = abs($size[2] - $size[0]);
$txt_h = abs($size[6] - $size[1]);
$bg = ImageCreateFromJpeg('chs.jpg');
$img_width = imagesx($bg);
$img_height = imagesy($bg);
$width = $height / $img_height * $img_width;
$sizing = "Original image size {$img_width} x {$img_height}\r\n";
$sizing .= "     New image size {$width} x {$height}";
$im = ImageCreateTrueColor($width, $height);
ImageCopyResampled($im, $bg, 0, 0, 0, 0, $width, $height, $img_width, $img_height);
$white = ImageColorAllocate($im, 255, 255, 255);
$black = ImageColorAllocate($im, 0, 0, 0);
$col = ImageColorResolveAlpha($im, 10, 10, 10, 50);
ImageFilledRectangle($im, 10, 5, 470, 90, 0x30ffffff);
ImageTTFText($im, 25, 0, 20, 40, $black, 'timesi', $sizing);
ImageDestroy($bg);
$box = ($width - $txt_w) / 2;
ImageFilledRectangle($im, $box - 10, $height - $txt_h - 30, $width - $box, $height - 5, $col);
$yellow = ImageColorAllocate($im, 255, 255, 10);
ImageTTFText($im, 25, 0, $box, $height - $txt_h - 5, $yellow, 'timesi', $txt);
ImagePNG($im);
Exemple #6
0
    /**
     * Query SQL for all accessible category data
     *
     * @return       Nothing
     */
    function deliverThumb()
    {
        global $mainframe, $limitstart;
		$c = hwd_vs_Config::get_instance();
		$db = & JFactory::getDBO();
		$my = & JFactory::getUser();
		$acl= & JFactory::getACL();
		$usersConfig = &JComponentHelper::getParams( 'com_users' );

		//$currentSession = JSession::getInstance('none',array());
		//$currentSession->destroy();

		$id = JRequest::getCmd( 'id', 0 );
		$db->SetQuery('SELECT * FROM #__hwdvidsvideos WHERE id = '.(int)$id);
		$db->Query();
		$row = $db->loadObject();

		$url = JURI::root()."hwdvideos/thumbs/".$row->video_id.".".$row->thumbnail;

		if (headers_sent($filename, $linenum))
		{
			//problem
		}

		header('Location: '.$url);
		exit;

		$BASEPATH = JPATH_SITE.DS.'hwdvideos'.DS.'thumbs';
		$BASEURL = JURI::root().'hwdvideos'.DS.'thumbs';

		$path = $BASEPATH.DS.$row->video_id.'.jpg';
		$url = $BASEURL.DS.$row->video_id.'.jpg';
		$watermark = $row->video_length;

		$image=imagecreatefromjpeg($path);
		header('Content-Type: image/jpeg');
		imagejpeg($image);
		exit;

		if ($c->thumb_ts == 0 || !function_exists('imagettftext') || empty($row->video_length) || $row->video_length == "0:00:00" || $row->video_length == "0:00:02") {

			$image=imagecreatefromjpeg($path);
			header('Content-Type: image/jpeg');
			imagejpeg($image);
			exit;

		} else {

			list($width, $height) = getimagesize($path);
			$image_p = imagecreatetruecolor($width, $height);
			$image = imagecreatefromjpeg($path);
			imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width, $height);
			imagedestroy($image);

			$x_1 = $width - 55;
			$x_s = $x_1+3;
			$y_1 = 0;
			$x_2 = $width;
			$y_2 = 15;

			$bk = ImageColorResolveAlpha($image_p, 68, 68, 68, 50);
			$fg = imagecolorallocate($image_p, 255, 255, 255);
			imagefilledrectangle($image_p, $x_1, $y_1, $x_2, $y_2, $bk); // draw transparent box

			$font = JPATH_SITE.DS.'components'.DS.'com_hwdvideoshare'.DS.'assets'.DS.'captcha'.DS.'monofont.ttf';
			$font_size = 13;
			imagettftext($image_p, $font_size, 0, $x_s, 13, $fg, $font, $watermark);

			header('Content-type: image/jpeg');
			imagejpeg ($image_p);
			imagedestroy($image_p);
			exit;

		}
    }