PHP Determining Background Color of Image -


i've been looking @ customink's design lab , curious how decide color background color. example, if upload facebook logo, decide remove blue image.

enter image description here

but if upload picture of apple white background, remove white in similar fashion. (even though white background not dominant color)

using imagemagick in php, how achieve task?

i've found solution finding background color in image , removing php , imagick. i, instead of using edges, decided use corners figure out colors remove, seemed working of time. below results.

enter image description here

which able turn this

enter image description here

(the background image texture of white woven material found on google). seemed handle gradient backgrounds pretty decently well.

enter image description here

this picture of vette original first, changing corners' colors transparent, , final 1 using fill starting corners.

$image = new imagick('vette.jpg'); $backgroundcolors = array(     'topleft' => array(1, 1),     'topright' => array($image->getimagewidth(), 1),     'bottomleft' => array(1, $image->getimageheight()),     'bottomright' => array($image->getimagewidth(), $image->getimageheight()) );  foreach ($backgroundcolors $key => $bg) {     $pixel = $image->getimagepixelcolor($bg[0], $bg[1]);     $colors = $pixel->getcolor();     $excludedcolors[] = rgb2hex(array_values($colors));     $image->floodfillpaintimage('none', 9000, $pixel, $bg[0] - 1, $bg[1] - 1, false);     //comment line above , uncomment below line achieve effects of second vette     //$image->transparentpaintimage($pixel, 0, 9000, false); } $image->writeimage("vette-no_background.png");

Comments

Post a Comment

Popular posts from this blog

java - Spring Data JPA: Why findOne(id) executing delete query internally? -

i have 1 application using @manytomany annotation link 2 different entities 1 parent entity. not sure if have implemented properly. when execute .findone() on parent entity's repository find it, @ first fetch data along executing delete queries internally delete record mapping table (a table jpa creates after adding @manytomany annotation.). following generated sql queries , code snippet: java class @entity @table(name = "inventory") public class inventory { @id long id; // many other properties @manytomany(fetch=fetchtype.lazy) private list<stream> streams; @manytomany(fetch=fetchtype.lazy) private list<subject> subjects; } there no other annotation i've put in stream , subject entity class link inventory class. when run app, create following tables: inventory stream subject inventory_stream inventory_subject (inventory_stream , inventory_subject, 2 tables created automatically, don't k...
Read more

python - Mongodb How to add addtional information when aggregating? -

i beginner , wrote line pipeline works, wanna add other information output, screen name , or number of tweets.i tried add under $group gave me syntax error everytime here pipeline: def make_pipeline(): # complete aggregation pipeline pipeline = [ { '$match': { "user.statuses_count": {"$gt":99 }, "user.time_zone": "brasilia" } }, { "$group": { "_id": "$user.id", "followers": { "$max": "$user.followers_count" } } }, { "$sort": { "followers": -1 } }, { "$limit" : 1 } ]; i using on example : { "_id" : objectid("5304e2e3cc9e684aa98bef97"), "text" : "first week of school on :p", "in_reply_to_status_id" : null, "retweet_count" : null, ...
Read more

java - Incorrect order of records in M-M relationship in hibernate -

Image
i have 4 records in bridge table in mysql database. using @manytomany in hibernate, accurate order of employees incorrect incorrect of projects. following required material figure out doing mistake. this source. @entity @table(name="project") public class projectbean { @id @generatedvalue @column(name="project_id") private int projectid; @column(name="title") private string projecttitle; @manytomany(mappedby="projects") private collection<employeebean> employees; public projectbean() { employees = new arraylist<employeebean>(); } //getters & setters } @entity @table(name="employee") public class employeebean { @id @generatedvalue @column(name="employee_id") private int employee_id; @column(name="first_name") private string ...
Read more