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<?php |
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use Cairo\Context; |
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use Cairo\FontSlant; |
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use Cairo\FontWeight; |
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use Cairo\Operator; |
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use Cairo\Pattern\Gradient\Linear; |
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use Cairo\Surface\Content; |
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use Cairo\Surface\Image; |
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use Cairo\Surface\ImageFormat; |
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function setSolidPattern($context, $x, $y) |
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{ |
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$context->setSourceRgb(1.0, 0, 0.0); |
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} |
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function setGradientPttern($context, $width, $height, $x, $y) |
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{ |
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$pat = new Linear($x, $y, $x + $width, $y + $height); |
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$pat->addColorStopRgba(0.2, 1, 0, 0, 1); |
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$pat->addColorStopRgba(0.8, 1, 0, 0, 0.0); |
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$context->setPattern($pat); |
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} |
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function drawMask($surface, $context, $width, $height, $x, $y) |
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{ |
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$wi = floor(0.9 * $width); |
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$he = floor(0.9 * $height); |
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$x += 0.05 * $width; |
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$y += 0.05 * $height; |
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$s = $surface->createSimilar(Content::ALPHA, $wi, $he); |
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$con2 = new Context($s); |
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$con2->setSourceRgb(1, 1, 1); /* white */ |
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$con2->arc(0.5 * $wi, 0.5 * $he, 0.45 * $he, 0, 2 * M_PI); |
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$con2->fill(); |
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$context->maskSurface($s, $x, $y); |
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} |
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function drawGlyphs($context, $width, $height, $x, $y) |
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{ |
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$context->setFontSize(0.8 * $height); |
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$extents = $context->textExtents('FG'); |
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$moveX = $x + floor(($width - $extents['width']) / 2 + 0.5) - $extents['x_bearing']; |
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$moveY = $y + floor(($height - $extents['height']) / 2 + 0.5) - $extents['y_bearing']; |
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$context->moveTo($moveX, $moveY); |
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$context->showText('FG'); |
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} |
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function drawPolygon($context, $width, $height, $x, $y) |
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{ |
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$wi = floor(0.9 * $width); |
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$he = floor(0.9 * $height); |
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$x += 0.05 * $width; |
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$y += 0.05 * $height; |
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$context->newPath(); |
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$context->moveTo($x, $y); |
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$context->lineTo($x, $y + $he); |
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$context->lineTo($x + $wi / 2, $y + 3 * $he / 4); |
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$context->lineTo($x + $wi, $y + $he); |
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$context->lineTo($x + $wi, $y); |
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$context->lineTo($x + $wi / 2, $y + $he / 4); |
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$context->closePath(); |
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$context->fill(); |
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} |
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function drawRects($context, $width, $height, $x, $y) |
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{ |
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$blockWidth = floor(0.33 * $width + 0.5); |
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$blockHeight = floor(0.33 * $height + 0.5); |
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for ($i = 0; $i < 3; $i++) |
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{ |
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for ($j = 0; $j < 3; $j++) |
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{ |
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if (($i + $j) % 2 == 0) |
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{ |
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$context->rectangle($x + $blockWidth * $i, $y + $blockHeight * $j, $blockWidth, $blockHeight); |
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} |
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} |
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} |
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$context->fill(); |
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} |
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$width = 16; |
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$height = 16; |
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$pad = 2; |
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$imageWidth = 2 * ($width + $pad) + $pad; |
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$imageHeight = 4 * ($height + $pad) + $pad; |
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$surface = new Image(ImageFormat::ARGB32, $imageWidth, $imageHeight); |
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$context = new Context($surface); |
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$context->selectFontFace('Bitstream Vera Sans', FontSlant::NORMAL, FontWeight::NORMAL); |
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for ($j = 0; $j < 4; $j++) |
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{ |
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for ($i = 0; $i < 2; $i++) |
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{ |
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$x = $i * ($width + $pad) + $pad; |
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$y = $j * ($height + $pad) + $pad; |
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$context->save(); |
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$pat = new Linear($x + $width, $y, $x, $y + $height); |
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$pat->addColorStopRgba(0.2, 0.0, 0.0, 1.0, 1.0); /* Solid blue */ |
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$pat->addColorStopRgba(0.8, 0.0, 0.0, 1.0, 0.0); /* Transparent blue */ |
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$context->setPattern($pat); |
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$context->rectangle($x, $y, $width, $height); |
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$context->fillPreserve(); |
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$context->clip(); |
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$context->setOperator(Operator::CLEAR); |
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switch ($i) |
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{ |
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case 0: |
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setSolidPattern($context, $x, $y); |
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break; |
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case 1: |
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setGradientPttern($context, $width, $height, $x, $y); |
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break; |
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} |
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switch ($j) |
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{ |
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case 0: |
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drawMask($surface, $context, $width, $height, $x, $y); |
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break; |
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case 1: |
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drawGlyphs($context, $width, $height, $x, $y); |
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break; |
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case 2: |
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drawPolygon($context, $width, $height, $x, $y); |
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break; |
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case 3: |
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drawRects($context, $width, $height, $x, $y); |
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break; |
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} |
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$context->restore(); |
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} |
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} |
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$surface->writeToPng(dirname(__FILE__).'/operator-clear-php.png'); |
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swen100 /
cairo
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths