function testFix() { $this->assertIdentical(10, wiDimension::fix(100, '10%')); $this->assertIdentical(10, wiDimension::fix(100, '10')); $this->assertIdentical(300, wiDimension::fix(200, '150%')); $this->assertIdentical(150, wiDimension::fix(200, '150')); }
protected function prepareDimensions($img, $width, $height, $fit) { if ($width === null) { $width = $height; } if ($height === null) { $height = $width; } $width = wiDimension::fix($img->getWidth(), $width); $height = wiDimension::fix($img->getHeight(), $height); $dim = array(); if ($fit == 'fill') { $dim['width'] = $width; $dim['height'] = $height; } elseif ($fit == 'inside' || $fit == 'outside') { $rx = $img->getWidth() / $width; $ry = $img->getHeight() / $height; if ($fit == 'inside') { $ratio = $rx > $ry ? $rx : $ry; } else { $ratio = $rx < $ry ? $rx : $ry; } $dim['width'] = round($img->getWidth() / $ratio); $dim['height'] = round($img->getHeight() / $ratio); } else { throw new wiInvalidFitMethodException("{$fit} is not a valid resize-fit method."); } return $dim; }
function execute($image, $mask, $left = 0, $top = 0) { $left = wiDimension::fix($image->getWidth(), $left); $top = wiDimension::fix($image->getHeight(), $top); $width = $image->getWidth(); if ($width > $mask->getWidth()) { $width = $mask->getWidth(); } $height = $image->getHeight(); if ($height > $mask->getHeight()) { $height = $mask->getHeight(); } $result = $image->asTrueColor(); $result->alphaBlending(false); $result->saveAlpha(true); $srcTransparentColor = $image->getTransparentColor(); if ($srcTransparentColor >= 0) { $trgb = $image->getColorRGB($srcTransparentColor); $trgb['alpha'] = 127; $destTransparentColor = $result->allocateColorAlpha($trgb); $result->setTransparentColor($destTransparentColor); } else { $destTransparentColor = $result->allocateColorAlpha(255, 255, 255, 127); } for ($x = 0; $x < $width; $x++) { for ($y = 0; $y < $height; $y++) { if ($left + $x < $image->getWidth() && $top + $y < $image->getHeight()) { $srcColor = $image->getColorAt($left + $x, $top + $y); if ($srcColor == $srcTransparentColor) { $destColor = $destTransparentColor; } else { $maskRGB = $mask->getRGBAt($x, $y); if ($maskRGB['red'] == 0) { $destColor = $destTransparentColor; } elseif ($srcColor >= 0) { $imageRGB = $image->getRGBAt($left + $x, $top + $y); $level = $maskRGB['red'] / 255 * (1 - $imageRGB['alpha'] / 127); $imageRGB['alpha'] = 127 - round($level * 127); if ($imageRGB['alpha'] == 127) { $destColor = $destTransparentColor; } else { $destColor = $result->allocateColorAlpha($imageRGB); } } else { $destColor = $destTransparentColor; } } $result->setColorAt($left + $x, $top + $y, $destColor); } } } return $result; }
function execute($img, $left, $top, $width, $height) { $width = wiDimension::fix($img->getWidth(), $width); $height = wiDimension::fix($img->getHeight(), $height); $new = wiTrueColorImage::create($width, $height); if ($img->isTransparent()) { $new->copyTransparencyFrom($img); imagecopyresized($new->getHandle(), $img->getHandle(), 0, 0, $left, $top, $width, $height, $width, $height); } else { $new->alphaBlending(false); $new->saveAlpha(true); imagecopyresampled($new->getHandle(), $img->getHandle(), 0, 0, $left, $top, $width, $height, $width, $height); } return $new; }
function execute($base, $overlay, $left, $top, $pct) { $x = wiDimension::fix($base->getWidth(), $left); $y = wiDimension::fix($base->getHeight(), $top); $result = $base->asTrueColor(); $result->alphaBlending(true); $result->saveAlpha(true); if ($pct == 0) { return $result; } if ($pct < 100) { imagecopymerge($result->getHandle(), $overlay->getHandle(), $x, $y, 0, 0, $overlay->getWidth(), $overlay->getHeight(), $pct); } else { imagecopy($result->getHandle(), $overlay->getHandle(), $x, $y, 0, 0, $overlay->getWidth(), $overlay->getHeight()); } return $result; }
function execute($img, $left, $top, $width, $height) { $left = wiDimension::fix($img->getWidth(), $left); $top = wiDimension::fix($img->getHeight(), $top); $width = wiDimension::fix($img->getWidth(), $width); if ($width > $img->getWidth() - $left) { $width = $img->getWidth() - $left; } $height = wiDimension::fix($img->getHeight(), $height); if ($height > $img->getHeight() - $top) { $height = $img->getHeight() - $top; } if ($left < 0) { $width = $left + $width; $left = 0; } if ($left + $width > $img->getWidth()) { $width = $img->getWidth() - $left; } if ($width < 0) { $width = 0; } if ($top < 0) { $height = $top + $height; $top = 0; } if ($top + $height > $img->getHeight()) { $top = $img->getHeight() - $top; } if ($height < 0) { $height = 0; } $new = wiTrueColorImage::create($width, $height); if ($img->isTransparent()) { $new->copyTransparencyFrom($img); imagecopyresized($new->getHandle(), $img->getHandle(), 0, 0, $left, $top, $width, $height, $width, $height); } else { $new->alphaBlending(false); $new->saveAlpha(true); imagecopyresampled($new->getHandle(), $img->getHandle(), 0, 0, $left, $top, $width, $height, $width, $height); } return $new; }
static function fixForResize($img, $width, $height) { if ($width === null && $height === null) { return array($img->getWidth(), $img->getHeight()); } if ($width !== null) { $width = wiDimension::fix($img->getWidth(), $width); } if ($height !== null) { $height = wiDimension::fix($img->getHeight(), $height); } if ($width === null) { $width = round($img->getWidth() * $height / $img->getHeight()); } if ($height === null) { $height = round($img->getHeight() * $width / $img->getWidth()); } return array($width, $height); }