/** * Rotates and mirrors and image properly based on current orientation value * * @param WideImage_Image $img * @param int $orientation * @return WideImage_Image */ function execute($img, $orientation) { switch ($orientation) { case 2: return $img->mirror(); break; case 3: return $img->rotate(180); break; case 4: return $img->rotate(180)->mirror(); break; case 5: return $img->rotate(90)->mirror(); break; case 6: return $img->rotate(90); break; case 7: return $img->rotate(-90)->mirror(); break; case 8: return $img->rotate(-90); break; default: return $img->copy(); } }
/** * Returns rotated image * * @param WideImage_Image $image * @param numeric $angle * @param int $bgColor * @param bool $ignoreTransparent * @return WideImage_Image */ function execute($image, $angle, $bgColor, $ignoreTransparent) { $angle = -floatval($angle); if ($angle < 0) { $angle = 360 + $angle; } $angle = $angle % 360; if ($angle == 0) { return $image->copy(); } if ($bgColor === null) { if ($image->isTransparent()) { $bgColor = $image->getTransparentColor(); } else { $tc = array('red' => 255, 'green' => 255, 'blue' => 255, 'alpha' => 127); if ($image->isTrueColor()) { $bgColor = $image->getExactColorAlpha($tc); if ($bgColor == -1) { $bgColor = $image->allocateColorAlpha($tc); } } else { $bgColor = $image->getExactColor($tc); if ($bgColor == -1) { $bgColor = $image->allocateColor($tc); } } } } return new WideImage_TrueColorImage(imagerotate($image->getHandle(), $angle, $bgColor, $ignoreTransparent)); }
/** * Executes imagegammacorrect() * * @param WideImage_Image $image * @param numeric $input_gamma * @param numeric $output_gamma * @return WideImage_TrueColorImage */ function execute($image, $input_gamma, $output_gamma) { $new = $image->copy(); if (!imagegammacorrect($new->getHandle(), $input_gamma, $output_gamma)) { throw new WideImage_GDFunctionResultException("imagegammacorrect() returned false"); } return $new; }
/** * Returns a mirrored image * * @param WideImage_Image $image * @return WideImage_Image */ function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); for ($x = 0; $x < $width; $x++) { imagecopy($new->getHandle(), $image->getHandle(), $x, 0, $width - $x - 1, 0, 1, $height); } return $new; }
/** * Returns a flipped image * * @param WideImage_Image $image * @return WideImage_Image */ function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); for ($y = 0; $y < $height; $y++) { imagecopy($new->getHandle(), $image->getHandle(), 0, $y, 0, $height - $y - 1, $width, 1); } return $new; }
/** * Returns a flipped image * * @param WideImage_Image $image * @return WideImage_Image */ function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); if ($new->isTransparent()) { imagefilledrectangle($new->getHandle(), 0, 0, $width, $height, $new->getTransparentColor()); } for ($y = 0; $y < $height; $y++) { imagecopy($new->getHandle(), $image->getHandle(), 0, $y, 0, $height - $y - 1, $width, 1); } return $new; }
/** * Returns a mirrored image * * @param WideImage_Image $image * @return WideImage_Image */ function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); if ($new->isTransparent()) { imagefilledrectangle($new->getHandle(), 0, 0, $width, $height, $new->getTransparentColor()); } for ($x = 0; $x < $width; $x++) { imagecopy($new->getHandle(), $image->getHandle(), $x, 0, $width - $x - 1, 0, 1, $height); } return $new; }
/** * Returns a mirrored image * * @param WideImage_Image $image * @return WideImage_Image */ function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); if ($new->isTransparent()) { imagefilledrectangle($new->getHandle(), 0, 0, $width, $height, $new->getTransparentColor()); } for ($x = 0; $x < $width; $x++) { if (!imagecopy($new->getHandle(), $image->getHandle(), $x, 0, $width - $x - 1, 0, 1, $height)) { throw new WideImage_GDFunctionResultException("imagecopy() returned false"); } } return $new; }
/** * Returns a flipped image. * * @param WideImage_Image $image * * @return WideImage_Image */ public function execute($image) { $new = $image->copy(); $width = $image->getWidth(); $height = $image->getHeight(); if ($new->isTransparent()) { imagefilledrectangle($new->getHandle(), 0, 0, $width, $height, $new->getTransparentColor()); } for ($y = 0; $y < $height; ++$y) { if (!imagecopy($new->getHandle(), $image->getHandle(), 0, $y, 0, $height - $y - 1, $width, 1)) { throw new WideImage_GDFunctionResultException('imagecopy() returned false'); } } return $new; }
/** * Returns rotated image * * @param WideImage_Image $image * @param numeric $angle * @param int $bgColor * @param bool $ignoreTransparent * @return WideImage_Image */ function execute($image, $angle, $bgColor, $ignoreTransparent) { $angle = -floatval($angle); if ($angle < 0) { $angle = 360 + $angle; } $angle = $angle % 360; if ($angle == 0) { return $image->copy(); } $image = $image->asTrueColor(); if ($bgColor === null) { $bgColor = $image->getTransparentColor(); if ($bgColor == -1) { $bgColor = $image->allocateColorAlpha(255, 255, 255, 127); imagecolortransparent($image->getHandle(), $bgColor); } } return new WideImage_TrueColorImage(imagerotate($image->getHandle(), $angle, $bgColor, $ignoreTransparent)); }
/** * @param WideImage_Image $image * @param int $radius * @param int $color * @param int $smoothness * @return WideImage_Image */ function execute($image, $radius, $color, $smoothness, $corners) { if ($smoothness < 1) { $sample_ratio = 1; } elseif ($smoothness > 16) { $sample_ratio = 16; } else { $sample_ratio = $smoothness; } $corner = WideImage::createTrueColorImage($radius * $sample_ratio, $radius * $sample_ratio); if ($color === null) { imagepalettecopy($corner->getHandle(), $image->getHandle()); $bg_color = $corner->allocateColor(0, 0, 0); $corner->fill(0, 0, $bg_color); $fg_color = $corner->allocateColor(255, 255, 255); $corner->getCanvas()->filledEllipse($radius * $sample_ratio, $radius * $sample_ratio, $radius * 2 * $sample_ratio, $radius * 2 * $sample_ratio, $fg_color); $corner = $corner->resize($radius, $radius); $result = $image->asTrueColor(); $tc = $result->getTransparentColor(); if ($tc == -1) { $tc = $result->allocateColorAlpha(255, 255, 255, 127); imagecolortransparent($result->getHandle(), $tc); $result->setTransparentColor($tc); } if ($corners & WideImage::SIDE_TOP_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_TOP) { $result = $result->applyMask($corner, -1, -1); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_TOP_RIGHT || $corners & WideImage::SIDE_TOP || $corners & WideImage::SIDE_RIGHT) { $result = $result->applyMask($corner, $result->getWidth() - $corner->getWidth() + 1, -1, 100); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_BOTTOM_RIGHT || $corners & WideImage::SIDE_RIGHT || $corners & WideImage::SIDE_BOTTOM) { $result = $result->applyMask($corner, $result->getWidth() - $corner->getWidth() + 1, $result->getHeight() - $corner->getHeight() + 1, 100); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_BOTTOM_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_BOTTOM) { $result = $result->applyMask($corner, -1, $result->getHeight() - $corner->getHeight() + 1, 100); } return $result; } else { $bg_color = $color; $corner->fill(0, 0, $bg_color); $fg_color = $corner->allocateColorAlpha(127, 127, 127, 127); $corner->getCanvas()->filledEllipse($radius * $sample_ratio, $radius * $sample_ratio, $radius * 2 * $sample_ratio, $radius * 2 * $sample_ratio, $fg_color); $corner = $corner->resize($radius, $radius); $result = $image->copy(); if ($corners & WideImage::SIDE_TOP_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_TOP) { $result = $result->merge($corner, -1, -1, 100); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_TOP_RIGHT || $corners & WideImage::SIDE_TOP || $corners & WideImage::SIDE_RIGHT) { $result = $result->merge($corner, $result->getWidth() - $corner->getWidth() + 1, -1, 100); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_BOTTOM_RIGHT || $corners & WideImage::SIDE_RIGHT || $corners & WideImage::SIDE_BOTTOM) { $result = $result->merge($corner, $result->getWidth() - $corner->getWidth() + 1, $result->getHeight() - $corner->getHeight() + 1, 100); } $corner = $corner->rotate(90); if ($corners & WideImage::SIDE_BOTTOM_LEFT || $corners & WideImage::SIDE_LEFT || $corners & WideImage::SIDE_BOTTOM) { $result = $result->merge($corner, -1, $result->getHeight() - $corner->getHeight() + 1, 100); } return $result; } }
/** * Executes the auto-crop operation on the $img * * @param WideImage_Image $img * @param int $rgb_threshold The difference in RGB from $base_color * @param int $pixel_cutoff The number of pixels on each border that must be over $rgb_threshold * @param int $base_color The color that will get cropped * @return WideImage_Image resulting auto-cropped image */ function execute($img, $margin, $rgb_threshold, $pixel_cutoff, $base_color) { $margin = intval($margin); $rgb_threshold = intval($rgb_threshold); if ($rgb_threshold < 0) { $rgb_threshold = 0; } $pixel_cutoff = intval($pixel_cutoff); if ($pixel_cutoff <= 1) { $pixel_cutoff = 1; } if ($base_color === null) { $rgb_base = $img->getRGBAt(0, 0); } else { if ($base_color < 0) { return $img->copy(); } $rgb_base = $img->getColorRGB($base_color); } $cut_rect = array('left' => 0, 'top' => 0, 'right' => $img->getWidth() - 1, 'bottom' => $img->getHeight() - 1); for ($y = 0; $y <= $cut_rect['bottom']; $y++) { $count = 0; for ($x = 0; $x <= $cut_rect['right']; $x++) { $rgb = $img->getRGBAt($x, $y); $diff = abs($rgb['red'] - $rgb_base['red']) + abs($rgb['green'] - $rgb_base['green']) + abs($rgb['blue'] - $rgb_base['blue']); if ($diff > $rgb_threshold) { $count++; if ($count >= $pixel_cutoff) { $cut_rect['top'] = $y; break 2; } } } } for ($y = $img->getHeight() - 1; $y >= $cut_rect['top']; $y--) { $count = 0; for ($x = 0; $x <= $cut_rect['right']; $x++) { $rgb = $img->getRGBAt($x, $y); $diff = abs($rgb['red'] - $rgb_base['red']) + abs($rgb['green'] - $rgb_base['green']) + abs($rgb['blue'] - $rgb_base['blue']); if ($diff > $rgb_threshold) { $count++; if ($count >= $pixel_cutoff) { $cut_rect['bottom'] = $y; break 2; } } } } for ($x = 0; $x <= $cut_rect['right']; $x++) { $count = 0; for ($y = $cut_rect['top']; $y <= $cut_rect['bottom']; $y++) { $rgb = $img->getRGBAt($x, $y); $diff = abs($rgb['red'] - $rgb_base['red']) + abs($rgb['green'] - $rgb_base['green']) + abs($rgb['blue'] - $rgb_base['blue']); if ($diff > $rgb_threshold) { $count++; if ($count >= $pixel_cutoff) { $cut_rect['left'] = $x; break 2; } } } } for ($x = $cut_rect['right']; $x >= $cut_rect['left']; $x--) { $count = 0; for ($y = $cut_rect['top']; $y <= $cut_rect['bottom']; $y++) { $rgb = $img->getRGBAt($x, $y); $diff = abs($rgb['red'] - $rgb_base['red']) + abs($rgb['green'] - $rgb_base['green']) + abs($rgb['blue'] - $rgb_base['blue']); if ($diff > $rgb_threshold) { $count++; if ($count >= $pixel_cutoff) { $cut_rect['right'] = $x; break 2; } } } } $cut_rect = array('left' => $cut_rect['left'] - $margin, 'top' => $cut_rect['top'] - $margin, 'right' => $cut_rect['right'] + $margin, 'bottom' => $cut_rect['bottom'] + $margin); if ($cut_rect['left'] < 0) { $cut_rect['left'] = 0; } if ($cut_rect['top'] < 0) { $cut_rect['top'] = 0; } if ($cut_rect['right'] >= $img->getWidth()) { $cut_rect['right'] = $img->getWidth() - 1; } if ($cut_rect['bottom'] >= $img->getHeight()) { $cut_rect['bottom'] = $img->getHeight() - 1; } return $img->crop($cut_rect['left'], $cut_rect['top'], $cut_rect['right'] - $cut_rect['left'] + 1, $cut_rect['bottom'] - $cut_rect['top'] + 1); }
/** * Executes imagegammacorrect() * * @param WideImage_Image $image * @param numeric $input_gamma * @param numeric $output_gamma * @return WideImage_TrueColorImage */ function execute($image, $input_gamma, $output_gamma) { $new = $image->copy(); imagegammacorrect($new->getHandle(), $input_gamma, $output_gamma); return $new; }