<?php
namespace HeroQR\Customs;
/**
* Class ShapeDrawers
*
* This class provides static methods to draw various shapes (star, square, circle, diamond)
* on a GD image resource. Each method is designed to handle specific shape-drawing logic
* based on the provided parameters such as position, size, and color.
*
* @package HeroQR\Customs
*/
class ShapeDrawers
{
/**
* Draws a star shape on the image
*/
public static function drawStar(
\GdImage $baseImage,
int $rowIndex,
int $columnIndex,
int $baseBlockSize,
int $foregroundColor
): void {
$points = [];
for ($i = 0; $i < 10; $i++) {
$angle = $i * M_PI / 5 + M_PI / 2;
$radius = ($i % 2 === 0) ? $baseBlockSize / 2 : $baseBlockSize / 4;
$points[] = intval($columnIndex * $baseBlockSize + $baseBlockSize / 2 + $radius * cos($angle));
$points[] = intval($rowIndex * $baseBlockSize + $baseBlockSize / 2 - $radius * sin($angle));
}
imagefilledpolygon($baseImage, $points, $foregroundColor);
}
/**
* Draws a square shape on the image
*/
public static function drawSquare(
\GdImage $baseImage,
int $rowIndex,
int $columnIndex,
int $baseBlockSize,
int $foregroundColor
): void {
imagefilledrectangle(
$baseImage,
$columnIndex * $baseBlockSize,
$rowIndex * $baseBlockSize,
($columnIndex + 1) * $baseBlockSize - 1,
($rowIndex + 1) * $baseBlockSize - 1,
$foregroundColor
);
}
/**
* Draws a circle shape on the image
*/
public static function drawCircle(
\GdImage $baseImage,
int $rowIndex,
int $columnIndex,
int $baseBlockSize,
int $foregroundColor
): void
{
imagefilledellipse(
$baseImage,
intval($columnIndex * $baseBlockSize + $baseBlockSize / 2),
intval($rowIndex * $baseBlockSize + $baseBlockSize / 2),
intval($baseBlockSize * 0.8),
intval($baseBlockSize * 0.8),
$foregroundColor
);
}
/**
* Draws a diamond shape on the image
*/
public static function drawDiamond(
\GdImage $baseImage,
int $rowIndex,
int $columnIndex,
int $baseBlockSize,
int $foregroundColor
): void
{
$centerX = $columnIndex * $baseBlockSize + $baseBlockSize / 2;
$centerY = $rowIndex * $baseBlockSize + $baseBlockSize / 2;
$halfSize = $baseBlockSize / 2.2;
imagefilledpolygon($baseImage, [
$centerX,
$centerY - $halfSize,
$centerX + $halfSize,
$centerY,
$centerX,
$centerY + $halfSize,
$centerX - $halfSize,
$centerY,
], $foregroundColor);
}
}
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