root
100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
<?php
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use Mike42\Escpos\NativeEscposImage;
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use Mike42\Escpos\EscposImage;
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class NativeEscposImageTest extends PHPUnit\Framework\TestCase
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{
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/**
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* Native tests - Load tiny images and check how they are printed
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* These are skipped if you don't have Native
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*/
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public function testBadFilename()
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{
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$this -> expectException(Exception::class);
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$this -> loadAndCheckImg('not a real file.png', 1, 1, null, null);
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}
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/**
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* @medium
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*/
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public function testBlack()
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{
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foreach (array('bmp', 'gif', 'png') as $format) {
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$this -> loadAndCheckImg('canvas_black.' . $format, 1, 1, "\x80", array("\x80"));
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}
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}
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/**
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* @medium
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*/
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public function testBlackTransparent()
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{
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foreach (array('gif', 'png') as $format) {
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$this -> loadAndCheckImg('black_transparent.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
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}
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}
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/**
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* @medium
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*/
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public function testBlackWhite()
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{
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foreach (array('bmp', 'png', 'gif') as $format) {
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$this -> loadAndCheckImg('black_white.' . $format, 2, 2, "\xc0\x00", array("\x80\x80"));
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}
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}
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/**
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* @medium
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*/
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public function testBlackWhiteTall()
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{
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// We're very interested in correct column format chopping here at 8 pixels
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$this -> loadAndCheckImg('black_white_tall.png', 2, 16,
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"\xc0\xc0\xc0\xc0\xc0\xc0\xc0\xc0\x00\x00\x00\x00\x00\x00\x00\x00", array("\xff\xff", "\x00\x00"));
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}
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/**
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* @medium
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*/
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public function testWhite()
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{
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foreach (array('bmp', 'png', 'gif') as $format) {
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$this -> loadAndCheckImg('canvas_white.' . $format, 1, 1, "\x00", array("\x00"));
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}
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}
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/**
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* Load an EscposImage and run a check.
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*/
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private function loadAndCheckImg($fn, $width, $height, $rasterFormat = null, $columnFormat = null)
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{
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$onDisk = ($fn === null ? null : (dirname(__FILE__) . "/resources/$fn"));
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// With optimisations
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$imgOptimised = new NativeEscposImage($onDisk, true);
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$this -> checkImg($imgOptimised, $width, $height, $rasterFormat, $columnFormat);
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// ... and without
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$imgUnoptimised = new NativeEscposImage($onDisk, false);
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$this -> checkImg($imgUnoptimised, $width, $height, $rasterFormat, $columnFormat);
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}
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/**
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* Check image against known width, height, output.
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*/
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private function checkImg(EscposImage $img, $width, $height, $rasterFormatExpected = null, $columnFormatExpected = null)
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{
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$rasterFormatActual = $img -> toRasterFormat();
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$columnFormatActual = $img -> toColumnFormat();
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if ($rasterFormatExpected === null) {
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echo "\nImage was: " . $img -> getWidth() . "x" . $img -> getHeight() . ", raster data \"" . friendlyBinary($rasterFormatActual) . "\"";
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}
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if ($columnFormatExpected === null) {
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echo "\nImage was: " . $img -> getWidth() . "x" . $img -> getHeight() . ", column data \"" . friendlyBinary($columnFormatActual) . "\"";
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}
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$this -> assertEquals($height , $img -> getHeight());
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$this -> assertEquals($width, $img -> getWidth());
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$this -> assertEquals($rasterFormatExpected, $rasterFormatActual, "Raster format did not match expected");
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$this -> assertEquals($columnFormatExpected, $columnFormatActual, "Column format did not match expected");
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}
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}
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