Create New Item
Item Type
File
Folder
Item Name
Search file in folder and subfolders...
Are you sure want to rename?
optometrists
/
cache
/
cache
/
.wp-cli
/
wp-content
/
plugins
/
wp-phpmyadmin-extension
/
lib
/
phpMyAdmin
/
vendor
/
bacon
/
bacon-qr-code
/
src
/
Renderer
/
Image
:
ImageBackEndInterface.php
Advanced Search
Upload
New Item
Settings
Back
Back Up
Advanced Editor
Save
<?php declare(strict_types = 1); namespace BaconQrCode\Renderer\Image; use BaconQrCode\Exception\RuntimeException; use BaconQrCode\Renderer\Color\ColorInterface; use BaconQrCode\Renderer\Path\Path; use BaconQrCode\Renderer\RendererStyle\Gradient; /** * Interface for back ends able to to produce path based images. */ interface ImageBackEndInterface { /** * Starts a new image. * * If a previous image was already started, previous data get erased. */ public function new(int $size, ColorInterface $backgroundColor) : void; /** * Transforms all following drawing operation coordinates by scaling them by a given factor. * * @throws RuntimeException if no image was started yet. */ public function scale(float $size) : void; /** * Transforms all following drawing operation coordinates by translating them by a given amount. * * @throws RuntimeException if no image was started yet. */ public function translate(float $x, float $y) : void; /** * Transforms all following drawing operation coordinates by rotating them by a given amount. * * @throws RuntimeException if no image was started yet. */ public function rotate(int $degrees) : void; /** * Pushes the current coordinate transformation onto a stack. * * @throws RuntimeException if no image was started yet. */ public function push() : void; /** * Pops the last coordinate transformation from a stack. * * @throws RuntimeException if no image was started yet. */ public function pop() : void; /** * Draws a path with a given color. * * @throws RuntimeException if no image was started yet. */ public function drawPathWithColor(Path $path, ColorInterface $color) : void; /** * Draws a path with a given gradient which spans the box described by the position and size. * * @throws RuntimeException if no image was started yet. */ public function drawPathWithGradient( Path $path, Gradient $gradient, float $x, float $y, float $width, float $height ) : void; /** * Ends the image drawing operation and returns the resulting blob. * * This should reset the state of the back end and thus this method should only be callable once per image. * * @throws RuntimeException if no image was started yet. */ public function done() : string; }