本文整理汇总了PHP中imagecolorstotal函数的典型用法代码示例。如果您正苦于以下问题:PHP imagecolorstotal函数的具体用法?PHP imagecolorstotal怎么用?PHP imagecolorstotal使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了imagecolorstotal函数的20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,您的评价将有助于我们的系统推荐出更棒的PHP代码示例。
示例1: applyFilter
function applyFilter(Canvas $canvas)
{
$himage = $canvas->getImage();
if (function_exists('imagefilter')) {
// If gd is bundled this will work
imagefilter($himage, IMG_FILTER_GRAYSCALE);
} else {
// If not we need to do some enumeration
$total = imagecolorstotal($himage);
if ($total > 0) {
// This works for indexed images but not for truecolor
for ($i = 0; $i < $total; $i++) {
$index = imagecolorsforindex($himage, $i);
$avg = ($index["red"] + $index["green"] + $index["blue"]) / 3;
$red = $avg;
$green = $avg;
$blue = $avg;
imagecolorset($himage, $i, $red, $green, $blue);
}
} else {
// For truecolor we need to enum it all
for ($x = 0; $x < imagesx($himage); $x++) {
for ($y = 0; $y < imagesy($himage); $y++) {
$index = imagecolorat($himage, $x, $y);
$avg = (($index & 0xff) + ($index >> 8 & 0xff) + ($index >> 16 & 0xff)) / 3;
imagesetpixel($himage, $x, $y, $avg | $avg << 8 | $avg << 16);
}
}
}
}
}
开发者ID:noccy80,项目名称:lepton-ng,代码行数:31,代码来源:grayscale.php
示例2: ImageCopyBicubic
/**
*
* long description
* @global object
* @param object $dst_img
* @param object $src_img
* @param int $dst_x
* @param int $dst_y
* @param int $src_x
* @param int $src_y
* @param int $dst_w
* @param int $dst_h
* @param int $src_w
* @param int $src_h
* @return bool
* @todo Finish documenting this function
*/
function ImageCopyBicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
{
global $CFG;
if (function_exists('ImageCopyResampled') and $CFG->gdversion >= 2) {
return ImageCopyResampled($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
}
$totalcolors = imagecolorstotal($src_img);
for ($i = 0; $i < $totalcolors; $i++) {
if ($colors = ImageColorsForIndex($src_img, $i)) {
ImageColorAllocate($dst_img, $colors['red'], $colors['green'], $colors['blue']);
}
}
$scaleX = ($src_w - 1) / $dst_w;
$scaleY = ($src_h - 1) / $dst_h;
$scaleX2 = $scaleX / 2.0;
$scaleY2 = $scaleY / 2.0;
for ($j = 0; $j < $dst_h; $j++) {
$sY = $j * $scaleY;
for ($i = 0; $i < $dst_w; $i++) {
$sX = $i * $scaleX;
$c1 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX, (int) $sY + $scaleY2));
$c2 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX, (int) $sY));
$c3 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX + $scaleX2, (int) $sY + $scaleY2));
$c4 = ImageColorsForIndex($src_img, ImageColorAt($src_img, (int) $sX + $scaleX2, (int) $sY));
$red = (int) (($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) / 4);
$green = (int) (($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) / 4);
$blue = (int) (($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) / 4);
$color = ImageColorClosest($dst_img, $red, $green, $blue);
ImageSetPixel($dst_img, $i + $dst_x, $j + $dst_y, $color);
}
}
}
开发者ID:ajv,项目名称:Offline-Caching,代码行数:49,代码来源:gdlib.php
示例3: analyze
/**
* {@inheritdoc}
*/
public function analyze($filename)
{
$imageSize = @getimagesize($filename);
if ($imageSize === false) {
throw new UnsupportedFileException('File type not supported.');
}
$imageInfo = new ImageInfo();
$type = null;
$colors = null;
if ($imageSize[2] === IMAGETYPE_JPEG) {
$gd = imagecreatefromjpeg($filename);
$type = imageistruecolor($gd) ? 'TRUECOLOR' : 'PALETTE';
$colors = imagecolorstotal($gd);
imagedestroy($gd);
} elseif ($imageSize[2] === IMAGETYPE_GIF) {
$gd = imagecreatefromgif($filename);
$type = imageistruecolor($gd) ? 'TRUECOLOR' : 'PALETTE';
$colors = imagecolorstotal($gd);
imagedestroy($gd);
} elseif ($imageSize[2] === IMAGETYPE_PNG) {
$gd = imagecreatefrompng($filename);
$type = imageistruecolor($gd) ? 'TRUECOLOR' : 'PALETTE';
$colors = imagecolorstotal($gd);
imagedestroy($gd);
}
$imageInfo->setAnalyzer(get_class($this))->setSize($imageSize[0], $imageSize[1])->setResolution(null, null)->setUnits(null)->setFormat($this->mapFormat($imageSize[2]))->setColors($colors)->setType($type)->setColorspace(!empty($imageSize['channels']) ? $imageSize['channels'] === 4 ? 'CMYK' : 'RGB' : 'RGB')->setDepth($imageSize['bits'])->setCompression(null)->setQuality(null)->setProfiles(null);
return $imageInfo;
}
开发者ID:temp,项目名称:image-analyzer,代码行数:31,代码来源:GdDriver.php
示例4: execute
function execute()
{
$img =& $this->image->getImage();
if (!($t = imagecolorstotal($img))) {
$t = 256;
imagetruecolortopalette($img, true, $t);
}
$total = imagecolorstotal($img);
for ($i = 0; $i < $total; $i++) {
$index = imagecolorsforindex($img, $i);
$red = $index["red"] * 0.393 + $index["green"] * 0.769 + $index["blue"] * 0.189;
$green = $index["red"] * 0.349 + $index["green"] * 0.6860000000000001 + $index["blue"] * 0.168;
$blue = $index["red"] * 0.272 + $index["green"] * 0.534 + $index["blue"] * 0.131;
if ($red > 255) {
$red = 255;
}
if ($green > 255) {
$green = 255;
}
if ($blue > 255) {
$blue = 255;
}
imagecolorset($img, $i, $red, $green, $blue);
}
}
开发者ID:BackupTheBerlios,项目名称:redaxo-svn,代码行数:25,代码来源:class.rex_effect_filter_sepia.inc.php
示例5: transparent
/**
* 透過処理済みの新しいイメージオブジェクトを生成する。
*/
function transparent($image, $info, $newImage = null)
{
if ($newImage == null) {
$newImage = imagecreatetruecolor($this->width, $this->height);
}
if ($info[2] == IMAGETYPE_GIF || $info[2] == IMAGETYPE_PNG) {
// 元画像の透過色を取得する。
$trnprt_indx = imagecolortransparent($image);
// パレットサイズを取得する。
$palletsize = imagecolorstotal($image);
// 透過色が設定されている場合は透過処理を行う。
if ($trnprt_indx >= 0 && $trnprt_indx < $palletsize) {
// カラーインデックスから透過色を取得する。
$trnprt_color = imagecolorsforindex($image, $trnprt_indx);
// 取得した透過色から変換後の画像用のカラーインデックスを生成
$trnprt_indx = imagecolorallocate($newImage, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
// 生成した透過色で変換後画像を塗りつぶし
imagefill($newImage, 0, 0, $trnprt_indx);
// 生成した透過色を変換後画像の透過色として設定
imagecolortransparent($newImage, $trnprt_indx);
} elseif ($info[2] == IMAGETYPE_PNG) {
// アルファブレンディングをOFFにする。
imagealphablending($newImage, false);
// アルファブレンドのカラーを作成する。
$trnprt_indx = imagecolorallocatealpha($newImage, 0, 0, 0, 127);
// 生成した透過色で変換後画像を塗りつぶし
imagefill($newImage, 0, 0, $trnprt_indx);
// 透過色をGIF用に設定
imagecolortransparent($newImage, $trnprt_indx);
// 生成した透過色を変換後画像の透過色として設定
imagesavealpha($newImage, true);
}
}
return $newImage;
}
开发者ID:naonaox1126,项目名称:vizualizer,代码行数:38,代码来源:Base.php
示例6: convert
/**
* Convert an image.
*
* @param img.Image image
* @return bool
* @throws img.ImagingException
*/
public function convert($image)
{
// Create temporary variable as local variable access is faster
// than member variable access.
$handle = $image->handle;
if (imageistruecolor($handle)) {
$l = [];
$h = $image->getHeight();
$w = $image->getWidth();
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
$rgb = imagecolorat($handle, $x, $y);
if (!isset($l[$rgb])) {
$g = 0.299 * ($rgb >> 16 & 0xff) + 0.587 * ($rgb >> 8 & 0xff) + 0.114 * ($rgb & 0xff);
$l[$rgb] = imagecolorallocate($handle, $g, $g, $g);
}
imagesetpixel($handle, $x, $y, $l[$rgb]);
}
}
unset($l);
} else {
for ($i = 0, $t = imagecolorstotal($handle); $i < $t; $i++) {
$c = imagecolorsforindex($handle, $i);
$g = 0.299 * $c['red'] + 0.587 * $c['green'] + 0.114 * $c['blue'];
imagecolorset($handle, $i, $g, $g, $g);
}
}
}
开发者ID:xp-framework,项目名称:imaging,代码行数:35,代码来源:GrayscaleConverter.class.php
示例7: imagecopybicubic
/**
* Copies a rectangular portion of the source image to another rectangle in the destination image
*
* This function calls imagecopyresampled() if it is available and GD version is 2 at least.
* Otherwise it reimplements the same behaviour. See the PHP manual page for more info.
*
* @link http://php.net/manual/en/function.imagecopyresampled.php
* @param resource $dst_img the destination GD image resource
* @param resource $src_img the source GD image resource
* @param int $dst_x vthe X coordinate of the upper left corner in the destination image
* @param int $dst_y the Y coordinate of the upper left corner in the destination image
* @param int $src_x the X coordinate of the upper left corner in the source image
* @param int $src_y the Y coordinate of the upper left corner in the source image
* @param int $dst_w the width of the destination rectangle
* @param int $dst_h the height of the destination rectangle
* @param int $src_w the width of the source rectangle
* @param int $src_h the height of the source rectangle
* @return bool tru on success, false otherwise
*/
function imagecopybicubic($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
{
global $CFG;
if (function_exists('imagecopyresampled') and $CFG->gdversion >= 2) {
return imagecopyresampled($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
}
$totalcolors = imagecolorstotal($src_img);
for ($i = 0; $i < $totalcolors; $i++) {
if ($colors = imagecolorsforindex($src_img, $i)) {
imagecolorallocate($dst_img, $colors['red'], $colors['green'], $colors['blue']);
}
}
$scalex = ($src_w - 1) / $dst_w;
$scaley = ($src_h - 1) / $dst_h;
$scalex2 = $scalex / 2.0;
$scaley2 = $scaley / 2.0;
for ($j = 0; $j < $dst_h; $j++) {
$sy = $j * $scaley;
for ($i = 0; $i < $dst_w; $i++) {
$sx = $i * $scalex;
$c1 = imagecolorsforindex($src_img, imagecolorat($src_img, (int) $sx, (int) $sy + $scaley2));
$c2 = imagecolorsforindex($src_img, imagecolorat($src_img, (int) $sx, (int) $sy));
$c3 = imagecolorsforindex($src_img, imagecolorat($src_img, (int) $sx + $scalex2, (int) $sy + $scaley2));
$c4 = imagecolorsforindex($src_img, imagecolorat($src_img, (int) $sx + $scalex2, (int) $sy));
$red = (int) (($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) / 4);
$green = (int) (($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) / 4);
$blue = (int) (($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) / 4);
$color = imagecolorclosest($dst_img, $red, $green, $blue);
imagesetpixel($dst_img, $i + $dst_x, $j + $dst_y, $color);
}
}
}
开发者ID:JP-Git,项目名称:moodle,代码行数:51,代码来源:gdlib.php
示例8: fit
/**
* Fit small image to specified bound
*
* @param string $src
* @param string $dest
* @param int $width
* @param int $height
* @return bool
*/
public function fit($src, $dest, $width, $height)
{
// Calculate
$size = getimagesize($src);
$ratio = max($width / $size[0], $height / $size[1]);
$old_width = $size[0];
$old_height = $size[1];
$new_width = intval($old_width * $ratio);
$new_height = intval($old_height * $ratio);
// Resize
@ini_set('memory_limit', apply_filters('image_memory_limit', WP_MAX_MEMORY_LIMIT));
$image = imagecreatefromstring(file_get_contents($src));
$new_image = wp_imagecreatetruecolor($new_width, $new_height);
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $old_width, $old_height);
if (IMAGETYPE_PNG == $size[2] && function_exists('imageistruecolor') && !imageistruecolor($image)) {
imagetruecolortopalette($new_image, false, imagecolorstotal($image));
}
// Destroy old image
imagedestroy($image);
// Save
switch ($size[2]) {
case IMAGETYPE_GIF:
$result = imagegif($new_image, $dest);
break;
case IMAGETYPE_PNG:
$result = imagepng($new_image, $dest);
break;
default:
$result = imagejpeg($new_image, $dest);
break;
}
imagedestroy($new_image);
return $result;
}
开发者ID:hametuha,项目名称:wpametu,代码行数:43,代码来源:Image.php
示例9: execute
public function execute()
{
$this->media->asImage();
$img = $this->media->getImage();
if (!($t = imagecolorstotal($img))) {
$t = 256;
imagetruecolortopalette($img, true, $t);
}
$total = imagecolorstotal($img);
for ($i = 0; $i < $total; ++$i) {
$index = imagecolorsforindex($img, $i);
$red = $index['red'] * 0.393 + $index['green'] * 0.769 + $index['blue'] * 0.189;
$green = $index['red'] * 0.349 + $index['green'] * 0.6860000000000001 + $index['blue'] * 0.168;
$blue = $index['red'] * 0.272 + $index['green'] * 0.534 + $index['blue'] * 0.131;
if ($red > 255) {
$red = 255;
}
if ($green > 255) {
$green = 255;
}
if ($blue > 255) {
$blue = 255;
}
imagecolorset($img, $i, $red, $green, $blue);
}
$this->media->setImage($img);
}
开发者ID:staabm,项目名称:redaxo,代码行数:27,代码来源:effect_filter_sepia.php
示例10: applyFilter
function applyFilter(Canvas $canvas)
{
$himage = $canvas->getImage();
// If not we need to do some enumeration
$total = imagecolorstotal($himage);
if ($total > 0) {
// This works for indexed images but not for truecolor
for ($i = 0; $i < $total; $i++) {
$index = imagecolorsforindex($himage, $i);
$rgb = rgb($index['red'], $index['green'], $index['blue']);
$hsv = hsv($rgb);
$hsv->hue = $this->hue;
$rgb = rgb($hsv);
$red = $rgb->red;
$green = $rgb->green;
$blue = $rgb->blue;
imagecolorset($himage, $i, $red, $green, $blue);
}
} else {
// For truecolor we need to enum it all
for ($x = 0; $x < imagesx($himage); $x++) {
for ($y = 0; $y < imagesy($himage); $y++) {
$index = imagecolorat($himage, $x, $y);
$rgb = rgb($index['red'], $index['green'], $index['blue'], $index['alpha']);
$hsv = hsv($rgb);
$hsv->hue = $this->hue;
$rgb = rgb($hsv);
$red = $rgb->red;
$green = $rgb->green;
$blue = $rgb->blue;
imagesetpixel($himage, $x, $y, $red << 16 | $green < 8 | $blue);
}
}
}
}
开发者ID:noccy80,项目名称:lepton-ng,代码行数:35,代码来源:hue.php
示例11: getColors
function getColors()
{
$colors = array();
for ($i = 0; $i < imagecolorstotal($this->im); $i++) {
$colors[] = imagecolorsforindex($this->im, $i);
}
return $colors;
}
开发者ID:kenyattaclark,项目名称:shiftspace,代码行数:8,代码来源:image.php
示例12: image_resize
/**
* This function is almost equal to the image_resize (native function of wordpress)
*/
function image_resize($file, $max_w, $max_h, $crop = false, $far = false, $iar = false, $dest_path = null, $jpeg_quality = 90)
{
$image = wp_load_image($file);
if (!is_resource($image)) {
return new WP_Error('error_loading_image', $image);
}
$size = @getimagesize($file);
if (!$size) {
return new WP_Error('invalid_image', __('Could not read image size'), $file);
}
list($orig_w, $orig_h, $orig_type) = $size;
$dims = mf_image_resize_dimensions($orig_w, $orig_h, $max_w, $max_h, $crop, $far, $iar);
if (!$dims) {
$dims = array(0, 0, 0, 0, $orig_w, $orig_h, $orig_w, $orig_h);
}
list($dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) = $dims;
$newimage = imagecreatetruecolor($dst_w, $dst_h);
imagealphablending($newimage, false);
imagesavealpha($newimage, true);
$transparent = imagecolorallocatealpha($newimage, 255, 255, 255, 127);
imagefilledrectangle($newimage, 0, 0, $dst_w, $dst_h, $transparent);
imagecopyresampled($newimage, $image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
// convert from full colors to index colors, like original PNG.
if (IMAGETYPE_PNG == $orig_type && !imageistruecolor($image)) {
imagetruecolortopalette($newimage, false, imagecolorstotal($image));
}
// we don't need the original in memory anymore
imagedestroy($image);
$info = pathinfo($dest_path);
$dir = $info['dirname'];
$ext = $info['extension'];
$name = basename($dest_path, ".{$ext}");
$destfilename = "{$dir}/{$name}.{$ext}";
if (IMAGETYPE_GIF == $orig_type) {
if (!imagegif($newimage, $destfilename)) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
} elseif (IMAGETYPE_PNG == $orig_type) {
if (!imagepng($newimage, $destfilename)) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
} else {
// all other formats are converted to jpg
//Todo: add option for use progresive JPG
//imageinterlace($newimage, true); //Progressive JPG
if (!imagejpeg($newimage, $destfilename, apply_filters('jpeg_quality', $jpeg_quality, 'image_resize'))) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
}
imagedestroy($newimage);
// Set correct file permissions
$stat = stat(dirname($destfilename));
$perms = $stat['mode'] & 0666;
//same permissions as parent folder, strip off the executable bits
@chmod($destfilename, $perms);
return $destfilename;
}
开发者ID:ahsaeldin,项目名称:projects,代码行数:60,代码来源:MF_thumb.php
示例13: _save
protected function _save($image, $filename = null, $mime_type = null)
{
global $ewww_debug;
if (!defined('EWWW_IMAGE_OPTIMIZER_DOMAIN')) {
require_once plugin_dir_path(__FILE__) . 'ewww-image-optimizer.php';
}
if (!defined('EWWW_IMAGE_OPTIMIZER_JPEGTRAN')) {
ewww_image_optimizer_init();
}
list($filename, $extension, $mime_type) = $this->get_output_format($filename, $mime_type);
if (!$filename) {
$filename = $this->generate_filename(null, null, $extension);
}
if ('image/gif' == $mime_type) {
if (!$this->make_image($filename, 'imagegif', array($image, $filename))) {
return new WP_Error('image_save_error', __('Image Editor Save Failed'));
}
} elseif ('image/png' == $mime_type) {
// convert from full colors to index colors, like original PNG.
if (function_exists('imageistruecolor') && !imageistruecolor($image)) {
imagetruecolortopalette($image, false, imagecolorstotal($image));
}
if (property_exists('WP_Image_Editor', 'quality')) {
$compression_level = floor((101 - $this->quality) * 0.09);
$ewww_debug .= "png quality = " . $this->quality . "<br>";
} else {
$compression_level = floor((101 - false) * 0.09);
}
if (!$this->make_image($filename, 'imagepng', array($image, $filename, $compression_level))) {
return new WP_Error('image_save_error', __('Image Editor Save Failed'));
}
} elseif ('image/jpeg' == $mime_type) {
if (method_exists($this, 'get_quality')) {
if (!$this->make_image($filename, 'imagejpeg', array($image, $filename, $this->get_quality()))) {
return new WP_Error('image_save_error', __('Image Editor Save Failed'));
}
} else {
if (!$this->make_image($filename, 'imagejpeg', array($image, $filename, apply_filters('jpeg_quality', $this->quality, 'image_resize')))) {
return new WP_Error('image_save_error', __('Image Editor Save Failed'));
}
}
} else {
return new WP_Error('image_save_error', __('Image Editor Save Failed'));
}
// Set correct file permissions
$stat = stat(dirname($filename));
$perms = $stat['mode'] & 0666;
//same permissions as parent folder, strip off the executable bits
@chmod($filename, $perms);
ewww_image_optimizer_aux_images_loop($filename, true);
$ewww_debug = "{$ewww_debug} image editor (gd) saved: {$filename} <br>";
$image_size = filesize($filename);
$ewww_debug = "{$ewww_debug} image editor size: {$image_size} <br>";
ewww_image_optimizer_debug_log();
return array('path' => $filename, 'file' => wp_basename(apply_filters('image_make_intermediate_size', $filename)), 'width' => $this->size['width'], 'height' => $this->size['height'], 'mime-type' => $mime_type);
}
开发者ID:aim-web-projects,项目名称:kobe-chuoh,代码行数:56,代码来源:image-editor.php
示例14: thumbnail
function thumbnail($image, $width, $height, $extension)
{
$data = getImageSize($image);
$imageInfo["width"] = $data[0];
$imageInfo["height"] = $data[1];
$imageInfo["type"] = $data[2];
switch ($imageInfo["type"]) {
case 1:
$img = imagecreatefromgif($image);
break;
case 2:
$img = imageCreatefromjpeg($image);
break;
case 3:
$img = imageCreatefrompng($image);
break;
default:
return false;
}
$size["width"] = $imageInfo["width"];
$size["height"] = $imageInfo["height"];
if ($width < $imageInfo["width"]) {
$size["width"] = $width;
}
if ($height < $imageInfo["height"]) {
$size["height"] = $height;
}
if ($imageInfo["width"] * $size["width"] > $imageInfo["height"] * $size["height"]) {
$size["height"] = round($imageInfo["height"] * $size["width"] / $imageInfo["width"]);
} else {
$size["width"] = round($imageInfo["width"] * $size["height"] / $imageInfo["height"]);
}
$newImg = imagecreatetruecolor($size["width"], $size["height"]);
$otsc = imagecolortransparent($img);
if ($otsc >= 0 && $otsc <= imagecolorstotal($img)) {
$tran = imagecolorsforindex($img, $otsc);
$newt = imagecolorallocate($newImg, $tran["red"], $tran["green"], $tran["blue"]);
imagefill($newImg, 0, 0, $newt);
imagecolortransparent($newImg, $newt);
}
imagecopyresized($newImg, $img, 0, 0, 0, 0, $size["width"], $size["height"], $imageInfo["width"], $imageInfo["height"]);
imagedestroy($img);
$newName = str_replace('.', $extension . '.', $image);
switch ($imageInfo["type"]) {
case 1:
$result = imageGif($newImg, $newName);
break;
case 2:
$result = imageJPEG($newImg, $newName);
break;
case 3:
$result = imagepng($newImg, $newName);
break;
}
imagedestroy($newImg);
}
开发者ID:leamiko,项目名称:interest,代码行数:56,代码来源:common.php
示例15: invisible
function invisible($Image) {
$Count = imagecolorstotal($Image);
if ($Count == 0) { return false; }
$TotalAlpha = 0;
for ($i=0; $i<$Count; ++$i) {
$Color = imagecolorsforindex($Image,$i);
$TotalAlpha += $Color['alpha'];
}
return (($TotalAlpha/$Count) == 127) ? true : false;
}
开发者ID:4play,项目名称:gazelle2,代码行数:11,代码来源:image.php
示例16: AdjBrightContrast
function AdjBrightContrast($img, $bright, $contr)
{
$nbr = imagecolorstotal($img);
for ($i = 0; $i < $nbr; ++$i) {
$colarr = imagecolorsforindex($img, $i);
$r = AdjRGBBrightContrast($colarr["red"], $bright, $contr);
$g = AdjRGBBrightContrast($colarr["green"], $bright, $contr);
$b = AdjRGBBrightContrast($colarr["blue"], $bright, $contr);
imagecolorset($img, $i, $r, $g, $b);
}
}
开发者ID:nourchene-benslimane,项目名称:rth_backup,代码行数:11,代码来源:adjimg.php
示例17: restoreGifAlphaColor
/**
* Workaround method for restoring alpha transparency for gif images
*
* @param resource $src
* @param resource $dest
* @return resource transparent gf color
*/
public static function restoreGifAlphaColor(&$src, &$dest)
{
$transparentcolor = imagecolortransparent($src);
if ($transparentcolor != -1) {
$colorcount = imagecolorstotal($src);
imagetruecolortopalette($dest, true, $colorcount);
imagepalettecopy($dest, $src);
imagefill($dest, 0, 0, $transparentcolor);
imagecolortransparent($dest, $transparentcolor);
}
return $transparentcolor;
}
开发者ID:WebtoolsWendland,项目名称:sjFilemanager,代码行数:19,代码来源:image.class.php
示例18: getOptimizedGdResource
/**
* @param resource $resource
* @param resource $controlResource
* @return resource
*/
public function getOptimizedGdResource($resource, $controlResource)
{
if (imageistruecolor($resource)) {
$resource = $this->rh->getPalettizedGdResource($resource);
}
$totalColors = imagecolorstotal($resource);
$trans = imagecolortransparent($resource);
$reds = new \SplFixedArray($totalColors);
$greens = new \SplFixedArray($totalColors);
$blues = new \SplFixedArray($totalColors);
$i = 0;
do {
$colors = imagecolorsforindex($resource, $i);
$reds[$i] = $colors['red'];
$greens[$i] = $colors['green'];
$blues[$i] = $colors['blue'];
} while (++$i < $totalColors);
if (imageistruecolor($controlResource)) {
$controlResource = $this->rh->getPalettizedGdResource($controlResource);
}
$controlTotalColors = imagecolorstotal($controlResource);
$controlTrans = imagecolortransparent($controlResource);
$controlReds = new \SplFixedArray($controlTotalColors);
$controlGreens = new \SplFixedArray($controlTotalColors);
$controlBlues = new \SplFixedArray($controlTotalColors);
$i = 0;
do {
$colors = imagecolorsforindex($controlResource, $i);
$controlReds[$i] = $colors['red'];
$controlGreens[$i] = $colors['green'];
$controlBlues[$i] = $colors['blue'];
} while (++$i < $controlTotalColors);
$width = imagesx($resource);
$height = imagesy($resource);
$y = 0;
do {
$x = 0;
do {
$index = imagecolorat($resource, $x, $y);
$red = $reds[$index];
$green = $greens[$index];
$blue = $blues[$index];
$controlIndex = imagecolorat($controlResource, $x, $y);
$controlRed = $controlReds[$controlIndex];
$controlGreen = $controlGreens[$controlIndex];
$controlBlue = $controlBlues[$controlIndex];
if (($red & 0b11111100) === ($controlRed & 0b11111100) && ($green & 0b11111100) === ($controlGreen & 0b11111100) && ($blue & 0b11111100) === ($controlBlue & 0b11111100)) {
imagesetpixel($resource, $x, $y, $trans);
}
} while (++$x !== $width);
} while (++$y !== $height);
return $resource;
}
开发者ID:MagiChain,项目名称:imagecraft,代码行数:58,代码来源:GifOptimizer.php
示例19: toPngColor
public function toPngColor($img)
{
$color = imagecolorexact($img, $this->red, $this->green, $this->blue);
if ($color == -1) {
if (imagecolorstotal($img) >= 255) {
$color = imagecolorclosest($img, $this->red, $this->green, $this->blue);
} else {
$color = imagecolorallocate($img, $this->red, $this->green, $this->blue);
}
}
return $color;
}
开发者ID:eXcomm,项目名称:3D-PHP-Class,代码行数:12,代码来源:Color.class.php
示例20: build
public function build()
{
$im = imagecreatefromgif($this->image_file);
if ($im === false) {
throw new Exception($this->image_file . ' is not gif file.');
}
$colortable_num = imagecolorstotal($im);
$transparent_index = imagecolortransparent($im);
$colortable = '';
if ($transparent_index < 0) {
for ($i = 0; $i < $colortable_num; ++$i) {
$rgb = imagecolorsforindex($im, $i);
$colortable .= chr($rgb['red']);
$colortable .= chr($rgb['green']);
$colortable .= chr($rgb['blue']);
}
} else {
for ($i = 0; $i < $colortable_num; ++$i) {
$rgb = imagecolorsforindex($im, $i);
$colortable .= chr($rgb['red']);
$colortable .= chr($rgb['green']);
$colortable .= chr($rgb['blue']);
$colortable .= $i == $transparent_index ? chr(0) : chr(255);
}
}
$pixeldata = '';
$i = 0;
$width = imagesx($im);
$height = imagesy($im);
for ($y = 0; $y < $height; ++$y) {
for ($x = 0; $x < $width; ++$x) {
$pixeldata .= chr(imagecolorat($im, $x, $y));
$i++;
}
while ($i % 4 != 0) {
$pixeldata .= chr(0);
$i++;
}
}
$format = 3;
// palette format
$content = chr($format) . pack('v', $width) . pack('v', $height);
$content .= chr($colortable_num - 1) . gzcompress($colortable . $pixeldata);
if ($transparent_index < 0) {
$this->code = 20;
// DefineBitsLossless
} else {
$this->code = 36;
// DefineBitsLossless2
}
$this->content = $content;
}
开发者ID:nzw,项目名称:FlashForward,代码行数:52,代码来源:GIF.class.php
注:本文中的imagecolorstotal函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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