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<?php
require "shadowgdclass.php";
 
 Header("Content-type: image/jpeg");
 $demo_width = 600;
 $demo_height = 500;
 $image = ImageCreate($demo_width, $demo_height);
 // set up colors
 $lt_gray = ImageColorAllocate($image, 204, 204, 204);
 $black = ImageColorAllocate($image,0,0,0);
 $white = ImageColorAllocate($image, 255, 255, 255);
 $lt_blue = ImageColorAllocate($image,51, 153, 204);
 $drk_blue = ImageColorAllocate($image,0, 0, 153);
 $blue_bkgd = ImageColorAllocate($image, 153, 255, 255);
 $blue = ImageColorAllocate($image,0,0,255);
 $green = ImageColorAllocate($image,0, 255, 0);
 $red = ImageColorAllocate($image, 255, 0, 0);
 // draw background
 ImageFilledRectangle($image, 10, 10, $demo_width - 10, $demo_height / 2, $white);
 ImageFilledRectangle($image, 10, $demo_height /2, $demo_width - 10, $demo_height - 10, $blue_bkgd);
 ImageSetThickness($image, 5);
 ImageRectangle($image, 10, 10, $demo_width - 10, $demo_height - 10, $black);
 ImageSetThickness($image, 1);
 // draw title
 $title = "ShadowGD Demo";
 $char_width = ImageFontWidth(5);
 $title_width = strlen($title) * $char_width;
 $title_x = 300 - ($title_width / 2);
 ImageString($image, 5, $title_x, 20, $title, $black);
 
 $grfx = new shadowgd($image);
 // bar chart
 // draw axes
 ImageSetThickness($image, 4);
 ImageLine($image, 43, 80, 43, 220, $black);
 ImageLine($image, 43, 220, 270, 220, $black);
 ImageSetThickness($image, 1);
 // first bar
 $shape_coords = array(45, 100, 170, 130);
 $grfx->DrawShadowRectangle($shape_coords, $green);
 // second bar
 $shape_coords = array(45, 140, 200, 170);
 $grfx->DrawShadowRectangle($shape_coords, $drk_blue);
 // third bar
 $shape_coords = array(45, 180, 250, 210);
 $grfx->DrawShadowRectangle($shape_coords, $red);
 
 // pie chart
 $base_x = 425;
 $base_y = 160;
 ImageFilledArc($image, $base_x, $base_y, 100, 100, 0, 40, $red, IMG_ARC_PIE);
 ImageFilledArc($image, $base_x, $base_y, 100, 100, 40, 200, $blue, IMG_ARC_PIE);
 // find position of offset wedge
 $wedge_angle = 280;
 $arc_center[0] = $base_x - (15 * sin($wedge_angle));
 $arc_center[1] = $base_y + (15 * cos($wedge_angle));
 $grfx->DrawShadowArc($arc_center, 100, 100, 200, 360, $green, false);
 
 // changing shadow params demo
 // blue shadow, size 6, direction 0
 $base_x = 150;
 $base_y = 360;
 $shape_coords = array($base_x, $base_y);
 $grfx->SetShadow(6, 0, $lt_blue, $drk_blue);
 $grfx->DrawShadowEllipse($shape_coords, 60, 40, $green);
 // blue shadow, size 4, direction 1, no outline
 $base_x = 380;
 $base_y = 330;
 $shape_coords = array($base_x, $base_y, $base_x + 40, $base_y + 40, $base_x + 40, $base_y + 70, $base_x, $base_y + 70);
 $grfx->SetShadow(4, 1, $lt_blue, $drk_blue);
 $grfx->DrawShadowPolygon($shape_coords, $red, false);
 // blue shadow, size 4, direction 5
 $base_x = 450;
 $base_y = 330;
 $shape_coords = array($base_x, $base_y, $base_x + 40, $base_y + 40, $base_x + 40, $base_y + 70, $base_x, $base_y + 70);
 $grfx->SetShadow(4, 5, $lt_blue, $drk_blue);
 $grfx->DrawShadowPolygon($shape_coords, $blue);
 
 ImageJPEG($image);
 ImageDestroy($image);
 
 ?>
 
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