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<?php |
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namespace SixtyNine\Cloud\Tests\Builder; |
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use Imagine\Gd\Imagine; |
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use Imagine\Image\Box as ImagineBox; |
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use Imagine\Image\Color; |
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use Imagine\Image\ImageInterface; |
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use Imagine\Image\Point; |
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use Imagine\Image\PointInterface; |
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use SixtyNine\Cloud\Factory\FontsFactory; |
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use SixtyNine\Cloud\FontMetrics; |
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class DrawingTest extends \PHPUnit_Framework_TestCase |
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{ |
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/** |
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* Illustrate the difficulty to properly draw a bounding box around rotated text with Imagine. |
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*/ |
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public function testDrawing() |
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{ |
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$imagine = new Imagine(); |
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$image = $imagine->create(new ImagineBox(400, 400), new Color('#000000')); |
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$text = 'Foobar'; |
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$size = 80; |
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$factory = FontsFactory::create(__DIR__ . '/fixtures/fonts'); |
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$metrics = new FontMetrics($factory); |
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$font = $factory->getImagineFont('Arial.ttf', $size, '#ffffff'); |
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$fontSize = $metrics->calculateSize($text, 'Arial.ttf', $size, 0); |
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$pos = array(200, 200); |
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$box = array($fontSize->getWidth(), $fontSize->getHeight()); |
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$image->draw()->text($text, $font, new Point($pos[0], $pos[1]), 0); |
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$image->draw()->text($text, $font, new Point($pos[0], $pos[1]), 90); |
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$image->draw()->text($text, $font, new Point($pos[0], $pos[1]), 180); |
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$image->draw()->text($text, $font, new Point($pos[0], $pos[1]), 270); |
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// Angle = 0 - so far so good... |
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$this->drawBox($image, $this->createPoint($pos[0], $pos[1]), $box[0], $box[1], 0xFF0000); |
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// Angle = 90 - Y needs to be adjusted, dimensions inverted |
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$this->drawBox($image, $this->createPoint($pos[0], $pos[1] + $box[1]), $box[1], $box[0], 0xFF0000); |
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// Angle = 180 - X and Y need adjustments, X might go out of the image on the left (which Imagine does not like) |
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$x = $pos[0] - $box[0]; |
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$width = $x >= 0 ? $box[0] : $box[0] + $x; |
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$this->drawBox($image, $this->createPoint($x, $pos[1] + $box[1]), $width, $box[1], 0xFF0000); |
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// Angle = 270 - X and Y need adjustments, it depends on the font size, Y might go out of the image on the top, dimensions inverted |
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$y = $pos[1] - $box[0] + $size; |
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$height = $y >= 0 ? $box[0] : $box[0] + $y; |
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$this->drawBox($image, $this->createPoint($pos[0] - $box[1], $y), $box[1], $height, 0xFF0000); |
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$image->save('/tmp/test.png'); |
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} |
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protected function drawBox(ImageInterface $image, PointInterface $pos, $width, $height, $color = '#ffffff') |
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{ |
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$x = $pos->getX(); |
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$y = $pos->getY(); |
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$points = array( |
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$this->createPoint($x, $y), |
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$this->createPoint($x + $width, $y), |
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$this->createPoint($x + $width, $y + $height), |
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$this->createPoint($x, $y + $height), |
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); |
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$image->draw()->polygon($points, new Color($color)); |
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} |
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protected function createPoint($x, $y) |
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{ |
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$x = $x >= 0 ? $x : 0; |
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$y = $y >= 0 ? $y : 0; |
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return new Point($x, $y); |
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} |
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} |
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sixty-nine /
php-cloud-lib
