本文整理汇总了PHP中imagick::contrastImage方法的典型用法代码示例。如果您正苦于以下问题：PHP imagick::contrastImage方法的具体用法？PHP imagick::contrastImage怎么用？PHP imagick::contrastImage使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类imagick的用法示例。
在下文中一共展示了imagick::contrastImage方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: createTmb
protected function createTmb($vd6fe1d0be6347b8ef2427fa629c04485)
{
$vd02a169f33469c888396a24dd9d9f1c6 = $this->mimetype($vd6fe1d0be6347b8ef2427fa629c04485);
if (!$this->canCreateTmb($vd6fe1d0be6347b8ef2427fa629c04485, $vd02a169f33469c888396a24dd9d9f1c6)) {
return false;
}
$vb068931cc450442b63f5b3d276ea4297 = $this->tmbName($vd6fe1d0be6347b8ef2427fa629c04485);
$va8b687c2e93191d90a6d7b8982ceec4a = $this->tmbPath . DIRECTORY_SEPARATOR . $vb068931cc450442b63f5b3d276ea4297;
if (($v25d902c24283ab8cfbac54dfa101ad31 = $this->_fopen($vd6fe1d0be6347b8ef2427fa629c04485, 'rb')) == false || ($v90710761341352a9e144d8ad4c92598b = @fopen($va8b687c2e93191d90a6d7b8982ceec4a, 'wb')) == false) {
return false;
}
while (!feof($v25d902c24283ab8cfbac54dfa101ad31)) {
fwrite($v90710761341352a9e144d8ad4c92598b, fread($v25d902c24283ab8cfbac54dfa101ad31, 8192));
}
$this->_fclose($v25d902c24283ab8cfbac54dfa101ad31, $vd6fe1d0be6347b8ef2427fa629c04485);
fclose($v90710761341352a9e144d8ad4c92598b);
if (($v03c7c0ace395d80182db07ae2c30f034 = @getimagesize($va8b687c2e93191d90a6d7b8982ceec4a)) == false) {
return false;
}
$result = false;
$v88029fd68f54ae31758f44d7b965868f = $this->tmbSize;
list($v9dd4e461268c8034f5c8564e155c67a6, $v415290769594460e2e485922904f345d, $v84b16781293d33e80d74ef9d63280bc0, $v55fc30b57cc1b80e8f68104931fbf716) = $this->tmbEffects($v03c7c0ace395d80182db07ae2c30f034[0], $v03c7c0ace395d80182db07ae2c30f034[1], $v88029fd68f54ae31758f44d7b965868f, $this->options['tmbCrop']);
switch ($this->imgLib) {
case 'imagick':
try {
$vb798abe6e1b1318ee36b0dcb3fb9e4d3 = new imagick($va8b687c2e93191d90a6d7b8982ceec4a);
} catch (Exception $ve1671797c52e15f763380b45e841ec32) {
return false;
}
$vb798abe6e1b1318ee36b0dcb3fb9e4d3->contrastImage(1);
if ($this->options['tmbCrop'] == false) {
$va8a63b4d63a08aed720d0f5f249e07d9 = new Imagick();
$va8a63b4d63a08aed720d0f5f249e07d9->newImage($v88029fd68f54ae31758f44d7b965868f, $v88029fd68f54ae31758f44d7b965868f, new ImagickPixel($this->options['tmbBgColor']));
$va8a63b4d63a08aed720d0f5f249e07d9->setImageFormat('png');
$vb798abe6e1b1318ee36b0dcb3fb9e4d3->resizeImage($v84b16781293d33e80d74ef9d63280bc0, $v55fc30b57cc1b80e8f68104931fbf716, NULL, true);
$va8a63b4d63a08aed720d0f5f249e07d9->compositeImage($vb798abe6e1b1318ee36b0dcb3fb9e4d3, imagick::COMPOSITE_OVER, $v9dd4e461268c8034f5c8564e155c67a6, $v415290769594460e2e485922904f345d);
$result = $va8a63b4d63a08aed720d0f5f249e07d9->writeImage($va8b687c2e93191d90a6d7b8982ceec4a);
} else {
$result = $vb798abe6e1b1318ee36b0dcb3fb9e4d3->cropThumbnailImage($v88029fd68f54ae31758f44d7b965868f, $v88029fd68f54ae31758f44d7b965868f) && $vb798abe6e1b1318ee36b0dcb3fb9e4d3->writeImage($va8b687c2e93191d90a6d7b8982ceec4a);
}
break;
case 'gd':
if ($v03c7c0ace395d80182db07ae2c30f034['mime'] == 'image/jpeg') {
$vb798abe6e1b1318ee36b0dcb3fb9e4d3 = imagecreatefromjpeg($va8b687c2e93191d90a6d7b8982ceec4a);
} elseif ($v03c7c0ace395d80182db07ae2c30f034['mime'] == 'image/png') {
$vb798abe6e1b1318ee36b0dcb3fb9e4d3 = imagecreatefrompng($va8b687c2e93191d90a6d7b8982ceec4a);
} elseif ($v03c7c0ace395d80182db07ae2c30f034['mime'] == 'image/gif') {
$vb798abe6e1b1318ee36b0dcb3fb9e4d3 = imagecreatefromgif($va8b687c2e93191d90a6d7b8982ceec4a);
} elseif ($v03c7c0ace395d80182db07ae2c30f034['mime'] == 'image/xbm') {
$vb798abe6e1b1318ee36b0dcb3fb9e4d3 = imagecreatefromxbm($va8b687c2e93191d90a6d7b8982ceec4a);
}
if (isset($vb798abe6e1b1318ee36b0dcb3fb9e4d3) && $vb798abe6e1b1318ee36b0dcb3fb9e4d3 && false != ($vfa816edb83e95bf0c8da580bdfd491ef = imagecreatetruecolor($v88029fd68f54ae31758f44d7b965868f, $v88029fd68f54ae31758f44d7b965868f))) {
if ($this->options['tmbCrop'] == false) {
if ($this->options['tmbBgColor'] == 'transparent') {
list($v4b43b0aee35624cd95b910189b3dc231, $vb2f5ff47436671b6e533d8dc3614845d, $v92eb5ffee6ae2fec3ad71c777531578f) = array(0, 0, 255);
} else {
list($v4b43b0aee35624cd95b910189b3dc231, $vb2f5ff47436671b6e533d8dc3614845d, $v92eb5ffee6ae2fec3ad71c777531578f) = sscanf($this->options['tmbBgColor'], "#%02x%02x%02x");
}
$ve12224dadfacf7a79886df59f202a403 = imagecolorallocate($vfa816edb83e95bf0c8da580bdfd491ef, $v4b43b0aee35624cd95b910189b3dc231, $vb2f5ff47436671b6e533d8dc3614845d, $v92eb5ffee6ae2fec3ad71c777531578f);
if ($this->options['tmbBgColor'] == 'transparent') {
$ve12224dadfacf7a79886df59f202a403 = imagecolortransparent($vfa816edb83e95bf0c8da580bdfd491ef, $ve12224dadfacf7a79886df59f202a403);
}
imagefill($vfa816edb83e95bf0c8da580bdfd491ef, 0, 0, $ve12224dadfacf7a79886df59f202a403);
if (!imagecopyresampled($vfa816edb83e95bf0c8da580bdfd491ef, $vb798abe6e1b1318ee36b0dcb3fb9e4d3, $v9dd4e461268c8034f5c8564e155c67a6, $v415290769594460e2e485922904f345d, 0, 0, $v84b16781293d33e80d74ef9d63280bc0, $v55fc30b57cc1b80e8f68104931fbf716, $v03c7c0ace395d80182db07ae2c30f034[0], $v03c7c0ace395d80182db07ae2c30f034[1])) {
return false;
}
} else {
if (!imagecopyresampled($vfa816edb83e95bf0c8da580bdfd491ef, $vb798abe6e1b1318ee36b0dcb3fb9e4d3, 0, 0, $v9dd4e461268c8034f5c8564e155c67a6, $v415290769594460e2e485922904f345d, $v88029fd68f54ae31758f44d7b965868f, $v88029fd68f54ae31758f44d7b965868f, $v84b16781293d33e80d74ef9d63280bc0, $v55fc30b57cc1b80e8f68104931fbf716)) {
return false;
}
}
$result = imagepng($vfa816edb83e95bf0c8da580bdfd491ef, $va8b687c2e93191d90a6d7b8982ceec4a, 7);
imagedestroy($vb798abe6e1b1318ee36b0dcb3fb9e4d3);
imagedestroy($vfa816edb83e95bf0c8da580bdfd491ef);
}
break;
}
return $result ? $vb068931cc450442b63f5b3d276ea4297 : false;
}示例2: _tmb
/**
* Create image thumbnail
*
* @param string $img image file
* @param string $tmb thumbnail name
* @return bool
**/
protected function _tmb($img, $tmb)
{
if (false == ($s = getimagesize($img))) {
return false;
}
$tmbSize = $this->_options['tmbSize'];
if ($this->_options['tmbCrop'] == false) {
/* Calculating image scale width and height */
$xscale = $s[0] / $tmbSize;
$yscale = $s[1] / $tmbSize;
if ($yscale > $xscale) {
$newwidth = round($s[0] * (1 / $yscale));
$newheight = round($s[1] * (1 / $yscale));
} else {
$newwidth = round($s[0] * (1 / $xscale));
$newheight = round($s[1] * (1 / $xscale));
}
/* Keeping original dimensions if image fitting into thumbnail without scale */
if ($s[0] <= $tmbSize && $s[1] <= $tmbSize) {
$newwidth = $s[0];
$newheight = $s[1];
}
/* Calculating coordinates for aligning thumbnail */
$align_y = ceil(($tmbSize - $newheight) / 2);
$align_x = ceil(($tmbSize - $newwidth) / 2);
}
switch ($this->_options['imgLib']) {
case 'imagick':
try {
$_img = new imagick($img);
} catch (Exception $e) {
return false;
}
$_img->contrastImage(1);
if ($this->_options['tmbCrop'] == false) {
$img1 = new Imagick();
$img1->newImage($tmbSize, $tmbSize, new ImagickPixel($this->_options['tmbBgColor']));
$img1->setImageFormat('png');
$_img->resizeImage($newwidth, $newheight, NULL, true);
$img1->compositeImage($_img, imagick::COMPOSITE_OVER, $align_x, $align_y);
return $img1->writeImage($tmb);
} else {
return $_img->cropThumbnailImage($tmbSize, $tmbSize) && $_img->writeImage($tmb);
}
break;
case 'mogrify':
if (@copy($img, $tmb)) {
list($x, $y, $size) = $this->_cropPos($s[0], $s[1]);
// exec('mogrify -crop '.$size.'x'.$size.'+'.$x.'+'.$y.' -scale '.$tmbSize.'x'.$tmbSize.'! '.escapeshellarg($tmb), $o, $c);
$mogrifyArgs = 'mogrify -resize ' . $tmbSize . 'x' . $tmbSize;
if ($this->_options['tmbCrop'] == false) {
$mogrifyArgs .= ' -gravity center -background "' . $this->_options['tmbBgColor'] . '" -extent ' . $tmbSize . 'x' . $tmbSize;
}
if ($this->_options['tmbCrop'] == false) {
$mogrifyArgs .= ' ' . escapeshellarg($tmb);
}
exec($mogrifyArgs, $o, $c);
if (file_exists($tmb)) {
return true;
} elseif ($c == 0) {
// find tmb for psd and animated gif
$mime = $this->_mimetype($img);
if ($mime == 'image/vnd.adobe.photoshop' || ($mime = 'image/gif')) {
$pinfo = pathinfo($tmb);
$test = $pinfo['dirname'] . DIRECTORY_SEPARATOR . $pinfo['filename'] . '-0.' . $pinfo['extension'];
if (file_exists($test)) {
return rename($test, $tmb);
}
}
}
}
break;
case 'gd':
if ($s['mime'] == 'image/jpeg') {
$_img = imagecreatefromjpeg($img);
} elseif ($s['mime'] == 'image/png') {
$_img = imagecreatefrompng($img);
} elseif ($s['mime'] == 'image/gif') {
$_img = imagecreatefromgif($img);
}
if (!$_img || false == ($_tmb = imagecreatetruecolor($tmbSize, $tmbSize))) {
return false;
}
if ($this->_options['tmbCrop'] == false) {
list($r, $g, $b) = sscanf($this->_options['tmbBgColor'], "#%02x%02x%02x");
imagefill($_tmb, 0, 0, imagecolorallocate($_tmb, $r, $g, $b));
if (!imagecopyresampled($_tmb, $_img, $align_x, $align_y, 0, 0, $newwidth, $newheight, $s[0], $s[1])) {
return false;
}
} else {
list($x, $y, $size) = $this->_cropPos($s[0], $s[1]);
if (!imagecopyresampled($_tmb, $_img, 0, 0, $x, $y, $tmbSize, $tmbSize, $size, $size)) {
return false;
//.........这里部分代码省略.........
示例3: _tmb
/**
* Create image thumbnail
*
* @param string $img image file
* @param string $tmb thumbnail name
* @return bool
**/
private function _tmb($img, $tmb)
{
if (false == ($s = getimagesize($img))) {
return false;
}
$tmbSize = $this->_options['tmbSize'];
switch ($this->_options['imgLib']) {
case 'imagick':
try {
$_img = new imagick($img);
} catch (Exception $e) {
return false;
}
$_img->contrastImage(1);
return $_img->cropThumbnailImage($tmbSize, $tmbSize) && $_img->writeImage($tmb);
break;
case 'mogrify':
if (@copy($img, $tmb)) {
list($x, $y, $size) = $this->_cropPos($s[0], $s[1]);
// exec('mogrify -crop '.$size.'x'.$size.'+'.$x.'+'.$y.' -scale '.$tmbSize.'x'.$tmbSize.'! '.escapeshellarg($tmb), $o, $c);
exec('mogrify -resize ' . $tmbSize . 'x' . $tmbSize . '^ -gravity center -extent ' . $tmbSize . 'x' . $tmbSize . ' ' . escapeshellarg($tmb), $o, $c);
if (file_exists($tmb)) {
return true;
} elseif ($c == 0) {
// find tmb for psd and animated gif
$mime = $this->_mimetype($img);
if ($mime == 'image/vnd.adobe.photoshop' || ($mime = 'image/gif')) {
$pinfo = pathinfo($tmb);
$test = $pinfo['dirname'] . DIRECTORY_SEPARATOR . $pinfo['filename'] . '-0.' . $pinfo['extension'];
if (file_exists($test)) {
return rename($test, $tmb);
}
}
}
}
break;
case 'gd':
if ($s['mime'] == 'image/jpeg') {
$_img = imagecreatefromjpeg($img);
} elseif ($s['mime'] == 'image/png') {
$_img = imagecreatefrompng($img);
} elseif ($s['mime'] == 'image/gif') {
$_img = imagecreatefromgif($img);
}
if (!$_img || false == ($_tmb = imagecreatetruecolor($tmbSize, $tmbSize))) {
return false;
}
list($x, $y, $size) = $this->_cropPos($s[0], $s[1]);
if (!imagecopyresampled($_tmb, $_img, 0, 0, $x, $y, $tmbSize, $tmbSize, $size, $size)) {
return false;
}
$r = imagepng($_tmb, $tmb, 7);
imagedestroy($_img);
imagedestroy($_tmb);
return $r;
break;
}
}示例4: createTmb
/**
* Create thumnbnail and return it's URL on success
*
* @param string $path file path
* @param string $mime file mime type
* @return string|false
* @author Dmitry (dio) Levashov
**/
protected function createTmb($path)
{
$mime = $this->mimetype($path);
if (!$this->canCreateTmb($path, $mime)) {
return false;
}
$name = $this->tmbName($path);
$tmb = $this->tmbPath . DIRECTORY_SEPARATOR . $name;
// copy image in tmbPath so some drivers does not store files on local fs
if (($src = $this->_fopen($path, 'rb')) == false || ($trg = @fopen($tmb, 'wb')) == false) {
return false;
}
while (!feof($src)) {
fwrite($trg, fread($src, 8192));
}
$this->_fclose($src, $path);
fclose($trg);
if (($s = @getimagesize($tmb)) == false) {
return false;
}
$result = false;
$tmbSize = $this->tmbSize;
list($x, $y, $size_w, $size_h) = $this->tmbEffects($s[0], $s[1], $tmbSize, $this->options['tmbCrop']);
switch ($this->imgLib) {
case 'imagick':
try {
$img = new imagick($tmb);
} catch (Exception $e) {
return false;
}
$img->contrastImage(1);
if ($this->options['tmbCrop'] == false) {
$img1 = new Imagick();
$img1->newImage($tmbSize, $tmbSize, new ImagickPixel($this->options['tmbBgColor']));
$img1->setImageFormat('png');
$img->resizeImage($size_w, $size_h, NULL, true);
$img1->compositeImage($img, imagick::COMPOSITE_OVER, $x, $y);
$result = $img1->writeImage($tmb);
} else {
$result = $img->cropThumbnailImage($tmbSize, $tmbSize) && $img->writeImage($tmb);
}
break;
case 'gd':
if ($s['mime'] == 'image/jpeg') {
$img = imagecreatefromjpeg($tmb);
} elseif ($s['mime'] == 'image/png') {
$img = imagecreatefrompng($tmb);
} elseif ($s['mime'] == 'image/gif') {
$img = imagecreatefromgif($tmb);
} elseif ($s['mime'] == 'image/xbm') {
$img = imagecreatefromxbm($tmb);
}
if ($img && false != ($tmp = imagecreatetruecolor($tmbSize, $tmbSize))) {
if ($this->options['tmbCrop'] == false) {
if ($this->options['tmbBgColor'] == 'transparent') {
list($r, $g, $b) = array(0, 0, 255);
} else {
list($r, $g, $b) = sscanf($this->options['tmbBgColor'], "#%02x%02x%02x");
}
$bgcolor = imagecolorallocate($tmp, $r, $g, $b);
if ($this->options['tmbBgColor'] == 'transparent') {
$bgcolor = imagecolortransparent($tmp, $bgcolor);
}
imagefill($tmp, 0, 0, $bgcolor);
if (!imagecopyresampled($tmp, $img, $x, $y, 0, 0, $size_w, $size_h, $s[0], $s[1])) {
return false;
}
} else {
if (!imagecopyresampled($tmp, $img, 0, 0, $x, $y, $tmbSize, $tmbSize, $size_w, $size_h)) {
return false;
}
}
$result = imagepng($tmp, $tmb, 7);
imagedestroy($img);
imagedestroy($tmp);
}
break;
}
return $result ? $name : false;
}示例5: resizeImg
/**
* Resize image
*
* @param string $path image file
* @param int $width new width
* @param int $height new height
* @param bool $crop crop image
* @param bool $exactfit fit into given dimensions exactly
* @param string $imgLib image library
* @param string $bgcolor image background color
* @param string $destformat image destination format
* @return string|false
* @author Dmitry (dio) Levashov, Alexey Sukhotin
**/
protected function resizeImg($path, $width, $height, $crop = false, $exactfit = false, $imgLib = 'imagick', $bgcolor = '#0000ff', $destformat = null)
{
if (($s = @getimagesize($path)) == false) {
return false;
}
$result = false;
list($x, $y, $size_w, $size_h) = $this->getResizeCropDimensions($s[0], $s[1], $width, $height, $crop, $exactfit);
switch ($imgLib) {
case 'imagick':
try {
$img = new imagick($path);
} catch (Exception $e) {
return false;
}
$img->contrastImage(1);
if ($crop == false) {
$img->resizeImage($size_w, $size_h, NULL, true);
if ($exactfit == true) {
$img1 = new Imagick();
$img1->newImage($width, $height, new ImagickPixel($bgcolor));
$img1->setImageFormat($destformat != null ? $destformat : $img->getFormat());
$img->resizeImage($size_w, $size_h, NULL, true);
$img1->compositeImage($img, imagick::COMPOSITE_OVER, $x, $y);
$result = $img1->writeImage($path);
return $result ? $path : false;
}
} else {
$img->cropImage($width, $height, $x, $y);
}
$result = $img->writeImage($path);
return $result ? $path : false;
break;
case 'gd':
if ($s['mime'] == 'image/jpeg') {
$img = imagecreatefromjpeg($path);
} elseif ($s['mime'] == 'image/png') {
$img = imagecreatefrompng($path);
} elseif ($s['mime'] == 'image/gif') {
$img = imagecreatefromgif($path);
} elseif ($s['mime'] == 'image/xbm') {
$img = imagecreatefromxbm($path);
}
$init_w = $size_w;
$init_h = $size_h;
if ($exactfit == true) {
$init_w = $width;
$init_h = $height;
}
if ($img && false != ($tmp = imagecreatetruecolor($init_w, $init_h))) {
if ($crop == false) {
if ($bgcolor == 'transparent') {
list($r, $g, $b) = array(0, 0, 255);
} else {
list($r, $g, $b) = sscanf($bgcolor, "#%02x%02x%02x");
}
$bgcolor1 = imagecolorallocate($tmp, $r, $g, $b);
if ($bgcolor == 'transparent') {
$bgcolor1 = imagecolortransparent($tmp, $bgcolor1);
}
imagefill($tmp, 0, 0, $bgcolor1);
if (!imagecopyresampled($tmp, $img, $x, $y, 0, 0, $size_w, $size_h, $s[0], $s[1])) {
return false;
}
} else {
if (!imagecopy($tmp, $img, 0, 0, $x, $y, $width, $height)) {
return false;
}
}
if ($destformat == 'jpg' || $destformat == null && $s['mime'] == 'image/jpeg') {
$result = imagejpeg($tmp, $path, 100);
} else {
if ($destformat == 'gif' || $destformat == null && $s['mime'] == 'image/gif') {
$result = imagegif($tmp, $path, 7);
} else {
$result = imagepng($tmp, $path, 7);
}
}
imagedestroy($img);
imagedestroy($tmp);
return $result ? $path : false;
}
break;
}
return false;
}