/**
* render(): defined by RendererInterface.
*
* @see RendererInterface::render()
* @param QrCode $qrCode
* @return string
*/
public function render(QrCode $qrCode)
{
$input = $qrCode->getMatrix();
$inputWidth = $input->getWidth();
$inputHeight = $input->getHeight();
$qrWidth = $inputWidth + ($this->getMargin() << 1);
$qrHeight = $inputHeight + ($this->getMargin() << 1);
$outputWidth = max($this->getWidth(), $qrWidth);
$outputHeight = max($this->getHeight(), $qrHeight);
$multiple = (int) min($outputWidth / $qrWidth, $outputHeight / $qrHeight);
if ($this->shouldRoundDimensions()) {
$outputWidth -= $outputWidth % $multiple;
$outputHeight -= $outputHeight % $multiple;
}
// Padding includes both the quiet zone and the extra white pixels to
// accommodate the requested dimensions. For example, if input is 25x25
// the QR will be 33x33 including the quiet zone. If the requested size
// is 200x160, the multiple will be 4, for a QR of 132x132. These will
// handle all the padding from 100x100 (the actual QR) up to 200x160.
$leftPadding = (int) (($outputWidth - $inputWidth * $multiple) / 2);
$topPadding = (int) (($outputHeight - $inputHeight * $multiple) / 2);
// Store calculated parameters
$this->finalWidth = $outputWidth;
$this->finalHeight = $outputHeight;
$this->blockSize = $multiple;
$this->init();
$this->addColor('background', $this->getBackgroundColor());
$this->addColor('foreground', $this->getForegroundColor());
$this->drawBackground('background');
foreach ($this->decorators as $decorator) {
$decorator->preProcess($qrCode, $this, $outputWidth, $outputHeight, $leftPadding, $topPadding, $multiple);
}
for ($inputY = 0, $outputY = $topPadding; $inputY < $inputHeight; $inputY++, $outputY += $multiple) {
for ($inputX = 0, $outputX = $leftPadding; $inputX < $inputWidth; $inputX++, $outputX += $multiple) {
if ($input->get($inputX, $inputY) === 1) {
$this->drawBlock($outputX, $outputY, 'foreground');
}
}
}
foreach ($this->decorators as $decorator) {
$decorator->postProcess($qrCode, $this, $outputWidth, $outputHeight, $leftPadding, $topPadding, $multiple);
}
return $this->getByteStream();
}
/**
* postProcess(): defined by DecoratorInterface.
*
* @see DecoratorInterface::postProcess()
*
* @param QrCode $qrCode
* @param RendererInterface $renderer
* @param integer $outputWidth
* @param integer $outputHeight
* @param integer $leftPadding
* @param integer $topPadding
* @param integer $multiple
* @return void
*/
public function postProcess(QrCode $qrCode, RendererInterface $renderer, $outputWidth, $outputHeight, $leftPadding, $topPadding, $multiple)
{
$matrix = $qrCode->getMatrix();
$positions = array(array(0, 0), array($matrix->getWidth() - 7, 0), array(0, $matrix->getHeight() - 7));
$renderer->addColor('finder-outer', $this->getOuterColor());
$renderer->addColor('finder-inner', $this->getInnerColor());
foreach (self::$outerPositionDetectionPattern as $y => $row) {
foreach ($row as $x => $isOuterSet) {
$isInnerSet = self::$innerPositionDetectionPattern[$y][$x];
if ($isOuterSet) {
foreach ($positions as $position) {
$renderer->drawBlock($leftPadding + $x * $multiple + $position[0] * $multiple, $topPadding + $y * $multiple + $position[1] * $multiple, 'finder-outer');
}
}
if ($isInnerSet) {
foreach ($positions as $position) {
$renderer->drawBlock($leftPadding + $x * $multiple + $position[0] * $multiple, $topPadding + $y * $multiple + $position[1] * $multiple, 'finder-inner');
}
}
}
}
}
/**
* render(): defined by RendererInterface.
*
* @see RendererInterface::render()
* @param QrCode $qrCode
* @return string
*/
public function render(QrCode $qrCode)
{
$result = '';
$matrix = $qrCode->getMatrix();
$width = $matrix->getWidth();
// Top margin
for ($x = 0; $x < $this->margin; $x++) {
$result .= str_repeat($this->emptyBlock, $width + 2 * $this->margin) . "\n";
}
// Body
$array = $matrix->getArray();
foreach ($array as $row) {
$result .= str_repeat($this->emptyBlock, $this->margin);
// left margin
foreach ($row as $byte) {
$result .= $byte ? $this->fullBlock : $this->emptyBlock;
}
$result .= str_repeat($this->emptyBlock, $this->margin);
// right margin
$result .= "\n";
}
// Bottom margin
for ($x = 0; $x < $this->margin; $x++) {
$result .= str_repeat($this->emptyBlock, $width + 2 * $this->margin) . "\n";
}
return $result;
}
