Created
June 2, 2018 06:56
-
-
Save yoya/185daf850d62bb1191d455ec4e04e89c to your computer and use it in GitHub Desktop.
pentile rgb w SVG
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/* | |
* (c) 2017/08/21- yoya@awm.jp | |
* $ composer require yoya/php-svg | |
*/ | |
require_once("vendor/autoload.php"); | |
use SVG\SVGImage; | |
use SVG\Nodes\Structures\SVGStyle; | |
use SVG\Nodes\Structures\SVGDefs; | |
use SVG\Nodes\Gradients\SVGStop; | |
use SVG\Nodes\Gradients\SVGLinearGradient; | |
use SVG\Nodes\Shapes\SVGRect; | |
use SVG\Nodes\Structures\SVGGroup; | |
use SVG\Nodes\Structures\SVGUse; | |
list($width, $height) = [1000, 1000]; | |
$image = new SVGImage($width, $height); | |
$doc = $image->getDocument(); | |
$style = new SVGStyle(); | |
$style->setCss(":root {background-color:black; }"); | |
$doc->addChild($style); | |
$defs = new SVGDefs(); | |
$doc->addChild($defs); | |
$opacities1 = [1, 1, 1, 1, 1]; | |
$opacities2 = [0.5, 0.1, 0.0, 0.1, 0.5]; | |
$gradTable = [ | |
"rgrad" => [[0, 0, 0, 1], ["#200", "#D00", "#F00", "#D00", "#200"], | |
$opacities1], | |
"ygrad" => [[0, 0, 0, 1], ["#210", "#DD0", "#FF0", "#DD0", "#210"], | |
$opacities1], | |
"bgrad" => [[0, 0, 0, 1], ["#004", "#11D", "#22F", "#11D", "#004"], | |
$opacities1], | |
"ggrad" => [[0, 0, 0, 1], ["#010", "#0D0", "#0F0", "#0D0", "#010"], | |
$opacities1], | |
"wgrad" => [[0, 0, 0, 1], ["#214", "#DDD", "#FFF", "#DDD", "#214"], | |
$opacities1], | |
"grad2" => [[0, 0, 1, 0], ["#000", "#000", "#000", "#000", "#000"], | |
$opacities2], | |
]; | |
$scale = 1; | |
$cellSize = [100, 100]; | |
$gridTable = [ | |
[ | |
["grad" => "rgrad", "scale" => [1/3, 1.0], "ratio" => [0.3, 0.9], | |
"round" =>[0.1, 0.1] ] | |
], [ | |
["grad" => "ggrad", "scale" => [1/3, 1.0], "ratio" => [0.3, 0.9], | |
"round" =>[0.1, 0.1] ] | |
], [ | |
["grad" => "bgrad", "scale" => [1/3, 1.0], "ratio" => [0.3, 0.9], | |
"round" =>[0.1, 0.1] ] | |
], [ | |
["grad" => "wgrad", "scale" => [1.0, 1.0], "ratio" => [0.9, 0.9], | |
"round" =>[0.1, 0.2] ] | |
] | |
]; | |
foreach ($gradTable as $id => $gradEntry) { | |
list($posi, $colors, $opacities) = $gradEntry; | |
list($x1, $y1, $x2, $y2) = $posi; | |
$grad = new SVGLinearGradient($x1, $y1, $x2, $y2); | |
$grad->setAttribute("id", $id); | |
for ($i = 0 ; $i < 5 ; $i++) { | |
$offset = ["0", "0.1", "0.5", "0.9", "1"][$i]; | |
$stop = new SVGStop($offset, $colors[$i]); | |
$stop->setAttribute("stop-opacity", $opacities[$i]); | |
$grad->addChild($stop); | |
} | |
$defs->addChild($grad); | |
} | |
$scale = 2; | |
list($unitX, $unitY) = [0, 0]; | |
list($marginX1 , $marginY1) = [0, 0]; | |
list($marginX2 , $marginY2) = [0, 0]; | |
$idList = []; | |
for ($y = 0, $yi = 0; $y < ($height + $cellSize[1]) ; $yi++) { | |
for ($x = 0, $xi = 0 ; $x < ($width + $cellSize[0]) ; $xi++) { | |
$xi_mod = $xi % count($gridTable); | |
$gridTableEntry = $gridTable[$xi_mod]; | |
$yi_mod = $yi % count($gridTableEntry); | |
$cell = $gridTable[$xi_mod][$yi_mod]; | |
// | |
$color = "url(#".$cell["grad"].")"; | |
$x1 = $x; | |
$y1 = $y; | |
$x2 = $x + $cellSize[0] * $cell["scale"][0]; | |
$y2 = $y + $cellSize[1] * $cell["scale"][1]; | |
if (isset($cell["ratio"])) { | |
$ratio = $cell["ratio"]; | |
$xc = ($x1 + $x2) / 2; | |
$yc = ($y1 + $y2) / 2; | |
$xh = $x2 - $xc; | |
$yh = $y2 - $yc; | |
$x1 = $xc - $cellSize[0]/2*$ratio[0]; | |
$y1 = $yc - $cellSize[1]/2*$ratio[1]; | |
$x2 = $xc + $cellSize[0]/2*$ratio[0]; | |
$y2 = $yc + $cellSize[1]/2*$ratio[1]; | |
} | |
$xr = $cellSize[0] * $cell["round"][0]; | |
$yr = $cellSize[0] * $cell["round"][1]; | |
// | |
$group = new SVGGroup(); | |
$group->setAttribute('fill', $color); | |
$id = "canvasGroup".$x."x".$y; | |
$idList []= $id; | |
$rect = new SVGRect($x1, $y1, $x2-$x1 , $y2-$y1, $xr, $yr); | |
$rect->setAttribute("id", $id); | |
$group->addChild($rect); | |
$doc->addChild($group); | |
$x += $cellSize[0] * $cell["scale"][0]; | |
} | |
$y += $cellSize[1] * $cell["scale"][1]; | |
} | |
foreach ($idList as $id) { | |
$u = new SVGUse(); | |
$u->setAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink"); | |
$u->setAttribute("xlink:href", "#".$id); | |
$u->setAttribute("fill", "url(#grad2)"); | |
$doc->addChild($u); | |
} | |
header('Content-Type: image/svg+xml'); | |
echo $image; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment