本文整理汇总了PHP中imageColorAllocateAlpha函数的典型用法代码示例。如果您正苦于以下问题：PHP imageColorAllocateAlpha函数的具体用法？PHP imageColorAllocateAlpha怎么用？PHP imageColorAllocateAlpha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imageColorAllocateAlpha函数的15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: execute
/**
* Method to apply a background color to an image resource.
*
* @param array $options An array of options for the filter.
* color Background matte color
*
* @return void
*
* @since 3.4
* @throws InvalidArgumentException
* @deprecated 5.0 Use Joomla\Image\Filter\Backgroundfill::execute() instead
*/
public function execute(array $options = array())
{
// Validate that the color value exists and is an integer.
if (!isset($options['color'])) {
throw new InvalidArgumentException('No color value was given. Expected string or array.');
}
$colorCode = !empty($options['color']) ? $options['color'] : null;
// Get resource dimensions
$width = imagesX($this->handle);
$height = imagesY($this->handle);
// Sanitize color
$rgba = $this->sanitizeColor($colorCode);
// Enforce alpha on source image
if (imageIsTrueColor($this->handle)) {
imageAlphaBlending($this->handle, false);
imageSaveAlpha($this->handle, true);
}
// Create background
$bg = imageCreateTruecolor($width, $height);
imageSaveAlpha($bg, empty($rgba['alpha']));
// Allocate background color.
$color = imageColorAllocateAlpha($bg, $rgba['red'], $rgba['green'], $rgba['blue'], $rgba['alpha']);
// Fill background
imageFill($bg, 0, 0, $color);
// Apply image over background
imageCopy($bg, $this->handle, 0, 0, 0, 0, $width, $height);
// Move flattened result onto curent handle.
// If handle was palette-based, it'll stay like that.
imageCopy($this->handle, $bg, 0, 0, 0, 0, $width, $height);
// Free up memory
imageDestroy($bg);
return;
}示例2: allocateColorAlpha
function allocateColorAlpha($R, $G = null, $B = null, $A = null)
{
if (is_array($R)) {
return imageColorAllocateAlpha($this->handle, $R['red'], $R['green'], $R['blue'], $R['alpha']);
} else {
return imageColorAllocateAlpha($this->handle, $R, $G, $B, $A);
}
}示例3: init
function init()
{
session_write_close();
parent::init();
$options = $this->options;
$font_path = $this->getFontPath();
$options['desired_width'] = round($options['desired_width']);
// $text = $this->wrap($options['font_size'],$options['rotation_angle'],$font_path,$options['text'],$options['desired_width']);
// $width_height = $this->getTextBoxWidthHeight($options['text'],$font_path);
$options['halign'] = $options['alignment_center'] == true ? 'center' : ($options['alignment_right'] == 'right' ? 'right' : 'left');
/*
Calculating height of the of the box
*/
$im = imagecreatetruecolor($options['desired_width'], 10);
imagesavealpha($im, true);
$backgroundColor = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $backgroundColor);
$this->phpimage = $im;
$box = new \GDText\Box($this->phpimage);
$box->setFontFace($font_path);
$rgb_color_array = $this->hex2rgb($options['text_color']);
$box->setFontColor(new \GDText\Color($rgb_color_array[0], $rgb_color_array[1], $rgb_color_array[2]));
$box->setFontSize($options['font_size']);
$box->setBox(0, 0, $options['desired_width'], 0);
$box->setTextAlign($options['halign'], 'top');
if ($options['underline']) {
$box->setUnderline();
}
// $h = $box->draw($options['text']);
$this->new_height = $h = $box->getBoxHeight($options['text']);
//CREATING DEFAULT IMAGES
$im = imagecreatetruecolor($options['desired_width'], $h);
imagesavealpha($im, true);
$backgroundColor = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $backgroundColor);
$this->phpimage = $im;
$box = new \GDText\Box($this->phpimage);
$box->setFontFace($font_path);
$rgb_color_array = $this->hex2rgb($options['text_color']);
$box->setFontColor(new \GDText\Color($rgb_color_array[0], $rgb_color_array[1], $rgb_color_array[2]));
// $box->setTextShadow(new \GDText\Color(0, 0, 0, 50), 2, 2);
$box->setFontSize($options['font_size']);
// $box->enableDebug();
$box->setBox(0, 0, $options['desired_width'], $h);
$box->setTextAlign($options['halign'], 'top');
if ($options['underline']) {
$box->setUnderline();
}
$box->draw($options['text']);
if ($options['rotation_angle']) {
$this->phpimage = imagerotate($this->phpimage, $options['rotation_angle'], imageColorAllocateAlpha($im, 255, 255, 255, 127));
imagealphablending($this->phpimage, false);
imagesavealpha($this->phpimage, true);
}
}示例4: _getColor
protected function _getColor(Image_3D_Color $color, $alpha = 1.0)
{
$values = $color->getValues();
$values[0] = (int) round($values[0] * 255);
$values[1] = (int) round($values[1] * 255);
$values[2] = (int) round($values[2] * 255);
$values[3] = (int) round((1 - (1 - $values[3]) * $alpha) * 127);
if ($values[3] > 0) {
// Tranzparente Farbe allokieren
$color = imageColorExactAlpha($this->_image, $values[0], $values[1], $values[2], $values[3]);
if ($color === -1) {
// Wenn nicht Farbe neu alloziieren
$color = imageColorAllocateAlpha($this->_image, $values[0], $values[1], $values[2], $values[3]);
}
} else {
// Deckende Farbe allozieren
$color = imageColorExact($this->_image, $values[0], $values[1], $values[2]);
if ($color === -1) {
// Wenn nicht Farbe neu alloziieren
$color = imageColorAllocate($this->_image, $values[0], $values[1], $values[2]);
}
}
return $color;
}示例5: resize
/**
* Method to resize the current image.
*
* @param mixed $width The width of the resized image in pixels or a percentage.
* @param mixed $height The height of the resized image in pixels or a percentage.
* @param boolean $createNew If true the current image will be cloned, resized and returned; else
* the current image will be resized and returned.
* @param integer $scaleMethod Which method to use for scaling
*
* @return KunenaImage
*
* @since 11.3
* @throws LogicException
*/
public function resize($width, $height, $createNew = true, $scaleMethod = self::SCALE_INSIDE)
{
$config = KunenaFactory::getConfig();
switch ($config->avatarresizemethod) {
case '0':
$resizemethod = 'imagecopyresized';
break;
case '1':
$resizemethod = 'imagecopyresampled';
break;
default:
$resizemethod = 'self::imageCopyResampledBicubic';
break;
}
// Make sure the resource handle is valid.
if (!$this->isLoaded()) {
throw new LogicException('No valid image was loaded.');
}
// Sanitize width.
$width = $this->sanitizeWidth($width, $height);
// Sanitize height.
$height = $this->sanitizeHeight($height, $width);
// Prepare the dimensions for the resize operation.
$dimensions = $this->prepareDimensions($width, $height, $scaleMethod);
// Instantiate offset.
$offset = new stdClass();
$offset->x = $offset->y = 0;
// Get truecolor handle
$handle = imagecreatetruecolor($dimensions->width, $dimensions->height);
// Center image if needed and create the new truecolor image handle.
if ($scaleMethod == self::SCALE_FIT) {
// Get the offsets
$offset->x = round(($width - $dimensions->width) / 2);
$offset->y = round(($height - $dimensions->height) / 2);
// Make image transparent, otherwise cavas outside initial image would default to black
if (!$this->isTransparent()) {
$transparency = imagecolorAllocateAlpha($this->handle, 0, 0, 0, 127);
imagecolorTransparent($this->handle, $transparency);
}
}
$imgProperties = self::getImageFileProperties($this->getPath());
if ($imgProperties->mime == MIME_GIF) {
$trnprt_indx = imagecolortransparent($this->handle);
if ($trnprt_indx >= 0 && $trnprt_indx < imagecolorstotal($this->handle)) {
$trnprt_color = imagecolorsforindex($this->handle, $trnprt_indx);
$trnprt_indx = imagecolorallocate($handle, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
imagefill($handle, 0, 0, $trnprt_indx);
imagecolortransparent($handle, $trnprt_indx);
}
} elseif ($imgProperties->mime == MIME_PNG) {
imagealphablending($handle, false);
imagesavealpha($handle, true);
if ($this->isTransparent()) {
$transparent = imagecolorallocatealpha($this->handle, 255, 255, 255, 127);
imagefilledrectangle($this->handle, 0, 0, $width, $height, $transparent);
}
}
if ($this->isTransparent()) {
$trnprt_indx = imagecolortransparent($this->handle);
if ($trnprt_indx >= 0 && $trnprt_indx < imagecolorstotal($this->handle)) {
// Get the transparent color values for the current image.
$rgba = imageColorsForIndex($this->handle, imagecolortransparent($this->handle));
$color = imageColorAllocateAlpha($handle, $rgba['red'], $rgba['green'], $rgba['blue'], $rgba['alpha']);
} else {
$color = imageColorAllocateAlpha($handle, 255, 255, 255, 127);
}
// Set the transparent color values for the new image.
imagecolortransparent($handle, $color);
imagefill($handle, 0, 0, $color);
imagecopyresized($handle, $this->handle, $offset->x, $offset->y, 0, 0, $dimensions->width, $dimensions->height, $this->getWidth(), $this->getHeight());
} else {
call_user_func_array($resizemethod, array(&$handle, &$this->handle, $offset->x, $offset->y, 0, 0, $dimensions->width, $dimensions->height, $this->getWidth(), $this->getHeight()));
}
// If we are resizing to a new image, create a new KunenaImage object.
if ($createNew) {
// @codeCoverageIgnoreStart
$new = new KunenaImage($handle);
return $new;
// @codeCoverageIgnoreEnd
} else {
// Free the memory from the current handle
$this->destroy();
$this->handle = $handle;
return $this;
}
}示例6: imagerotate
if ($px >= $py) {
$py /= $px;
$px = 1.0;
} else {
$px /= $py;
$py = 1.0;
}
# Calculating our new positions
$x += ($width - $width * $py) * 0.5;
$y += ($height - $height * $px) * 0.5;
$width = $width * $py;
$height = $height * $px;
break;
}
# Rotating if we need to rotate
$tmpimg->image = imagerotate($tmpimg->image, 360 - $rotate, imageColorAllocateAlpha($tmpimg->image, 0, 0, 0, 127));
# Adding to our main image
$img->draw($tmpimg->image, $y . ' ' . $x . ' ' . $width . ' ' . $height);
}
# Making sure we have our open directories
$parent_id = 0;
$path = '/';
$dir = explode('/', $_JPOST->dir);
for ($i = 1, $directories = count($dir); $i < $directories; $i++) {
# Checking to see if our path exists
$name = $dir[$i];
$query = "\tSELECT\n\t\t\t\t\t*\n\t\t\t\tFROM \n\t\t\t\t\t" . NQ_DIRECTORY_TABLE . "\n\t\t\t\tWHERE\n\t\t\t\t\t`app_id`\t=" . (int) $G_APP_DATA['id'] . " AND\n\t\t\t\t\t`environment`\t='" . mysqli_escape_string($G_STORAGE_CONTROLLER_DBLINK, $G_APP_ENVIRONMENT) . "' AND\n\t\t\t\t\t`path`\t\t='" . mysqli_escape_string($G_STORAGE_CONTROLLER_DBLINK, $path) . "' AND\n\t\t\t\t\t`name`\t\t='" . mysqli_escape_string($G_STORAGE_CONTROLLER_DBLINK, str_replace(str_split(NQ_INVALID_PATH_CHARS), '', $name)) . "'\n\t\t\t\tLIMIT 1";
$directory_data = mysqli_single_result_query($G_STORAGE_CONTROLLER_DBLINK, $query);
# If we aren't allowed we exit
check_directory_blacklisted($G_CONTROLLER_DBLINK, $G_TOKEN_DATA['id'], $G_TOKEN_SESSION_DATA, $directory_data['path'] . $directory_data['name']);
# If it doesn't we add it示例7: count
$charImageStep = $imageWidth / ($charsNumber + 1);
$charWritePoint = $charImageStep;
// Write captcha characters to the image
for ($i = 0; $i < $charsNumber; $i++) {
$nextChar = $characters[mt_rand(0, count($characters) - 1)];
$captchaText .= $nextChar;
// Font properties
$randomFontSize = mt_rand(25, 30);
// Random character size to spice things a little bit :)
$randomFontAngle = mt_rand(-25, 25);
// Twist the character a little bit
$fontType = select_captcha_font();
// This is the font we are using - we need to point to the ttf file here
// Pixels
$pixelX = $charWritePoint;
// We will write a character at this X point
$pixelY = 40;
// We will write a character at this Y point
// Random character color // R // G // B // Alpha
$randomCharColor = imageColorAllocateAlpha($captchaImage, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 25));
// Write a character to the image
imageTtfText($captchaImage, $randomFontSize, $randomFontAngle, $pixelX, $pixelY, $randomCharColor, $fontType, $nextChar);
// Increase captcha step
$charWritePoint += $charImageStep;
}
// Add currently generated captcha text to the session
$_SESSION['login_captcha'] = $captchaText;
// Return the image
return imagePng($captchaImage);
// Destroy captcha image
imageDestroy($captchaImage);示例8: create_images
//.........这里部分代码省略.........
$max_top = $top;
}
$fragments[] = array($w, $width, $height, $left, $top);
}
// Create images for each word.
$count = 1;
$return = array();
foreach ($fragments as $f) {
list($w, $width, $height, $left, $top) = $f;
$img_width = $width + $padding_left + $padding_right;
$img_height = $this->image_height ? $this->image_height : $max_height + $padding_top + $padding_bottom;
$text_left = $left + $padding_left;
$text_top = $max_top + $padding_top;
// Adjust image size and text location if there's a shadow.
if ($this->shadow) {
if ($this->shadow_offset[0] < 0) {
$shadow_space_left = $this->shadow_blur - $this->shadow_offset[0];
$shadow_space_right = max(0, $this->shadow_blur + abs($this->shadow_offset[0]));
$shadow_left = $text_left + $shadow_space_left;
$text_left = $text_left + $shadow_space_left - $this->shadow_offset[0];
} else {
$shadow_space_left = max(0, $this->shadow_blur - $this->shadow_offset[0]);
$shadow_space_right = $this->shadow_blur + $this->shadow_offset[0];
$shadow_left = $text_left + $shadow_space_left + $this->shadow_offset[0];
$text_left = $text_left + $shadow_space_left;
}
if ($this->shadow_offset[1] < 0) {
$shadow_space_top = $this->shadow_blur - $this->shadow_offset[1];
$shadow_space_bottom = max(0, $this->shadow_blur + abs($this->shadow_offset[1]));
$shadow_top = $text_top + $shadow_space_top;
$text_top = $text_top + $shadow_space_top - $this->shadow_offset[1];
} else {
$shadow_space_top = max(0, $this->shadow_blur - $this->shadow_offset[1]);
$shadow_space_bottom = $this->shadow_blur + $this->shadow_offset[1];
$shadow_top = $text_top + $shadow_space_top + $this->shadow_offset[1];
$text_top = $text_top + $shadow_space_top;
}
$img_width += $shadow_space_left + $shadow_space_right;
$img_height += $shadow_space_top + $shadow_space_bottom;
}
// Initialize the image and draw the background.
$img = imageCreateTrueColor($img_width, $img_height);
if ($this->background_color === false) {
imageSaveAlpha($img, true);
imageAlphaBlending($img, false);
$img_background_color = imageColorAllocateAlpha($img, 255, 255, 255, 127);
imageFilledRectangle($img, 0, 0, $img_width, $img_height, $img_background_color);
imageAlphaBlending($img, true);
} else {
$img_background_colors = $this->hex2rgb($this->background_color);
$img_background_color = imageColorAllocate($img, $img_background_colors[0], $img_background_colors[1], $img_background_colors[2]);
imageFilledRectangle($img, 0, 0, $img_width, $img_height, $img_background_color);
}
// Draw the shadow.
if ($this->shadow) {
// Blurred shadow on a transparent background needs special treatment because of GD's limitations.
if ($this->shadow_blur && $this->background_color === false) {
// Create a temporary image for the shadow.
$temp = imageCreateTrueColor($img_width, $img_height);
imageSaveAlpha($temp, true);
imageFilledRectangle($temp, 0, 0, $img_width, $img_height, imageColorAllocate($temp, 127, 127, 127));
// Draw the shadow text on the temporary image, and blur it.
$temp_text_color = imageColorAllocate($temp, $this->shadow_opacity, $this->shadow_opacity, $this->shadow_opacity);
imageTTFText($temp, $font_size, 0, $shadow_left, $shadow_top, $temp_text_color, $font_filename, $w);
for ($i = 0; $i < $this->shadow_blur; $i++) {
imageFilter($temp, IMG_FILTER_GAUSSIAN_BLUR);
}
// Use the blurred shadow as an alpha mask on the original image.
$shadow_colors = $this->hex2rgb($this->shadow_color);
for ($x = 0; $x < $img_width; $x++) {
for ($y = 0; $y < $img_height; $y++) {
$alpha = imageColorAt($temp, $x, $y) & 0xff;
imageSetPixel($img, $x, $y, imageColorAllocateAlpha($img, $shadow_colors[0], $shadow_colors[1], $shadow_colors[2], $alpha));
}
}
imageDestroy($temp);
} else {
$shadow_colors = $this->hex2rgb($this->shadow_color);
$shadow_color = imageColorAllocateAlpha($img, $shadow_colors[0], $shadow_colors[1], $shadow_colors[2], $this->shadow_opacity);
imageTTFText($img, $font_size, 0, $shadow_left, $shadow_top, $shadow_color, $font_filename, $w);
for ($i = 0; $i < $this->shadow_blur; $i++) {
imageFilter($img, IMG_FILTER_GAUSSIAN_BLUR);
}
}
}
// Draw the word.
$text_colors = $this->hex2rgb($this->color);
$text_color = imageColorAllocate($img, $text_colors[0], $text_colors[1], $text_colors[2]);
imageTTFText($img, $font_size, 0, $text_left, $text_top, $text_color, $font_filename, $w);
// Save to a PNG file.
$filename = '/imgtext.' . $hash . '.word-' . str_pad($count, 3, '0', STR_PAD_LEFT) . '.png';
imagePNG($img, $this->cache_local_dir . $filename);
imageDestroy($img);
// Add information about this word to the return array.
$return[] = array('word' => $w, 'path' => $this->cache_url_prefix . $filename);
$count++;
}
// Returns a list of dictionaries, each containing a word and the corresponding image URL.
return $return;
}示例9: waterMark
/**
* 给图片加水印
* @author 肖飞
* @param string $sourFile 图片文件名
* @param string $text 文本数组(包含二个字符串)
* @return 1 成功 成功时返回生成的图片路径
*/
function waterMark($sourFile, $text)
{
$imageInfo = $this->getInfo($sourFile);
$sourFile = $this->sourcePath . $sourFile;
// $newName = substr($imageInfo["name"], 0, strrpos($imageInfo["name"], ".")) . "_mark.jpg";
switch ($imageInfo["type"]) {
case 1:
//gif
$img = imagecreatefromgif($sourFile);
break;
case 2:
//jpg
$img = imagecreatefromjpeg($sourFile);
break;
case 3:
//png
$img = imagecreatefrompng($sourFile);
break;
default:
return 0;
break;
}
if (!$img) {
return 0;
}
$width = $this->maxWidth > $imageInfo["width"] ? $imageInfo["width"] : $this->maxWidth;
$height = $this->maxHeight > $imageInfo["height"] ? $imageInfo["height"] : $this->maxHeight;
$srcW = $imageInfo["width"];
$srcH = $imageInfo["height"];
if ($srcW * $width > $srcH * $height) {
$height = round($srcH * $width / $srcW);
} else {
$width = round($srcW * $height / $srcH);
}
//*
if (function_exists("imagecreatetruecolor")) {
//GD2.0.1
$new = imagecreatetruecolor($width, $height);
ImageCopyResampled($new, $img, 0, 0, 0, 0, $width, $height, $imageInfo["width"], $imageInfo["height"]);
} else {
$new = imagecreate($width, $height);
ImageCopyResized($new, $img, 0, 0, 0, 0, $width, $height, $imageInfo["width"], $imageInfo["height"]);
}
$white = imageColorAllocate($new, 255, 255, 255);
$black = imageColorAllocate($new, 0, 0, 0);
$alpha = imageColorAllocateAlpha($new, 230, 230, 230, 40);
//$rectW = max(strlen($text[0]),strlen($text[1]))*7;
ImageFilledRectangle($new, 0, $height - 26, $width, $height, $alpha);
ImageFilledRectangle($new, 13, $height - 20, 15, $height - 7, $black);
ImageTTFText($new, 4.9, 0, 20, $height - 14, $black, $this->fontName, $text[0]);
ImageTTFText($new, 4.9, 0, 20, $height - 6, $black, $this->fontName, $text[1]);
//*/
if ($this->toFile) {
if (file_exists($this->galleryPath . $newName)) {
unlink($this->galleryPath . $newName);
}
ImageJPEG($new, $this->galleryPath . $newName);
return $this->galleryPath . $newName;
} else {
ImageJPEG($new);
}
ImageDestroy($new);
ImageDestroy($img);
}示例10: recover_image
public function recover_image($id, $thumb_width, $thumb_height)
{
global $WD_BWG_UPLOAD_DIR;
global $wpdb;
$image_data = $wpdb->get_row($wpdb->prepare('SELECT * FROM ' . $wpdb->prefix . 'bwg_image WHERE id="%d"', $id));
$filename = htmlspecialchars_decode(ABSPATH . $WD_BWG_UPLOAD_DIR . $image_data->image_url, ENT_COMPAT | ENT_QUOTES);
$thumb_filename = htmlspecialchars_decode(ABSPATH . $WD_BWG_UPLOAD_DIR . $image_data->thumb_url, ENT_COMPAT | ENT_QUOTES);
if (file_exists($filename) && file_exists($thumb_filename)) {
copy(str_replace('/thumb/', '/.original/', $thumb_filename), $filename);
list($width_orig, $height_orig, $type_orig) = getimagesize($filename);
$percent = $width_orig / $thumb_width;
$thumb_height = $height_orig / $percent;
@ini_set('memory_limit', '-1');
if ($type_orig == 2) {
$img_r = imagecreatefromjpeg($filename);
$dst_r = ImageCreateTrueColor($thumb_width, $thumb_height);
imagecopyresampled($dst_r, $img_r, 0, 0, 0, 0, $thumb_width, $thumb_height, $width_orig, $height_orig);
imagejpeg($dst_r, $thumb_filename, 100);
imagedestroy($img_r);
imagedestroy($dst_r);
} elseif ($type_orig == 3) {
$img_r = imagecreatefrompng($filename);
$dst_r = ImageCreateTrueColor($thumb_width, $thumb_height);
imageColorAllocateAlpha($dst_r, 0, 0, 0, 127);
imagealphablending($dst_r, FALSE);
imagesavealpha($dst_r, TRUE);
imagecopyresampled($dst_r, $img_r, 0, 0, 0, 0, $thumb_width, $thumb_height, $width_orig, $height_orig);
imagealphablending($dst_r, FALSE);
imagesavealpha($dst_r, TRUE);
imagepng($dst_r, $thumb_filename, 9);
imagedestroy($img_r);
imagedestroy($dst_r);
} elseif ($type_orig == 1) {
$img_r = imagecreatefromgif($filename);
$dst_r = ImageCreateTrueColor($thumb_width, $thumb_height);
imageColorAllocateAlpha($dst_r, 0, 0, 0, 127);
imagealphablending($dst_r, FALSE);
imagesavealpha($dst_r, TRUE);
imagecopyresampled($dst_r, $img_r, 0, 0, 0, 0, $thumb_width, $thumb_height, $width_orig, $height_orig);
imagealphablending($dst_r, FALSE);
imagesavealpha($dst_r, TRUE);
imagegif($dst_r, $thumb_filename);
imagedestroy($img_r);
imagedestroy($dst_r);
}
@ini_restore('memory_limit');
}
}示例11: viewmergeimage
public function viewmergeimage()
{
$gotimages = $this->input->get_post("json");
// Get images from database
$gotimages = json_decode($gotimages, TRUE);
$frontfeatures = array();
$backfeatures = array();
//frontend img specifications
$frontfeatures = $gotimages['custom']['4'];
$backfeatures = $gotimages['custom']['5'];
$newImagewidth = $frontfeatures['width'] * 5;
$newImageheight = $frontfeatures['height'] * 5;
$demofronttransparent = imagecreatetruecolor($newImagewidth, $newImageheight);
imagesavealpha($demofronttransparent, true);
$color = imagecolorallocatealpha($demofronttransparent, 0, 0, 0, 127);
imagefill($demofronttransparent, 0, 0, $color);
$phpfrontimg = imagecreatefrompng("./uploads/" . $gotimages['image']['image']);
imagecopyresized($demofronttransparent, $phpfrontimg, 0, 0, 0, 0, $newImagewidth, $newImageheight, imagesx($phpfrontimg), imagesy($phpfrontimg));
// ROTATE IMAGE
$rotate = imagerotate($demofronttransparent, 180, imageColorAllocateAlpha($demofronttransparent, 0, 0, 0, 127));
imagesavealpha($rotate, true);
// create transparent layout
$thumbfront = imagecreatetruecolor(194 * 5, 308 * 5);
imagesavealpha($thumbfront, true);
$color = imagecolorallocatealpha($thumbfront, 0, 0, 0, 127);
imagefill($thumbfront, 0, 0, $color);
// MERGE IMAGE
imagecopyresized($thumbfront, $rotate, 10, 10, 0, 0, imagesx($rotate), imagesy($rotate), imagesx($rotate), imagesy($rotate));
imagesavealpha($thumbfront, true);
header('Content-Type: image/png');
imagepng($thumbfront);
}示例12: callCreateAlphaImageForDistorted
function callCreateAlphaImageForDistorted()
{
// Example usage - gif image output
$alphabet = $this->symbolsToUse;
$alphabet = implode(" ", str_split($alphabet));
$text_string = $alphabet;
$font_ttf = $this->font_ttf;
$text_angle = 0;
$text_padding = 20;
// Img padding - around text
$font_size = $this->font_size;
$fontFileMeta = array('alphabet' => $alphabet, 'font_ttf' => basename($font_ttf), 'font_size' => $font_size);
$fontMetaFile = $this->fontPNGLocation . $this->DS . $this->fontMetaFile;
if (!file_exists($fontMetaFile)) {
die("missing meta file : " . $fontMetaFile);
}
$savedfontMeta = unserialize(file_get_contents($fontMetaFile));
if (!is_array($savedfontMeta) || !isset($savedfontMeta['alphabet']) || !isset($savedfontMeta['font_ttf']) || !isset($savedfontMeta['font_size'])) {
die("corrupted meta file : " . $fontMetaFile . " download the correct one ");
}
//die("Saved one <pre>".print_r(unserialize( file_get_contents($fontMetaFile)),true)."</pre><hr />Required one <pre>".print_r($fontFileMeta,true)."</pre>");
if ($savedfontMeta == $fontFileMeta) {
return;
} elseif (!(file_exists($font_ttf) || is_dir($font_ttf))) {
$alphabet = $this->symbolsToUse = $savedfontMeta['alphabet'];
$font_ttf = $this->font_ttf = $savedfontMeta['font_ttf'];
$font_size = $this->font_size = $savedfontMeta['font_size'];
}
file_put_contents($fontMetaFile, serialize($fontFileMeta));
$the_box = $this->calculateTextBox($text_string, $font_ttf, $font_size, $text_angle);
$imgWidth = $the_box["width"] + $text_padding * 2;
$imgHeight = $the_box["height"] + $text_padding * 2;
$img = $image = imagecreatetruecolor($imgWidth, $imgHeight);
$colorBlack = imagecolorallocate($image, 0, 0, 0);
imagealphablending($image, false);
imagesavealpha($image, true);
$transparent = imageColorAllocateAlpha($img, 0, 0, 0, 127);
imagefilledrectangle($image, 0, 0, $imgWidth - 1, $imgHeight - 1, $transparent);
imageAlphaBlending($image, true);
imageantialias($image, true);
imagettftext($image, $font_size, $text_angle, $the_box["left"] + $imgWidth / 2 - $the_box["width"] / 2, $the_box["top"] + $imgHeight / 2 - $the_box["height"] / 2, $colorBlack, $font_ttf, $text_string);
imagealphablending($image, false);
imagesavealpha($image, true);
//header("content-type: image/png");imagepng($image);imagepng($image,'test.png');imagedestroy($image); exit;
$font_file = $this->fontPNGLocation . $this->DS . $this->fontPNGFile;
imagepng($image, $font_file);
$image = $this->createAlphaImage();
imagepng($image, $font_file);
}开发者ID:vinayshuklasourcefuse，项目名称:sareez，代码行数:49，代码来源:OutsourceOnline_Captcha_Helper_OSOLmulticaptcha.php
示例13: set_text_watermark
function set_text_watermark($original_filename, $dest_filename, $watermark_text, $watermark_font, $watermark_font_size, $watermark_color, $watermark_transparency, $watermark_position)
{
$original_filename = htmlspecialchars_decode($original_filename, ENT_COMPAT | ENT_QUOTES);
$dest_filename = htmlspecialchars_decode($dest_filename, ENT_COMPAT | ENT_QUOTES);
$watermark_transparency = 127 - (100 - $watermark_transparency) * 1.27;
list($width, $height, $type) = getimagesize($original_filename);
$watermark_image = imagecreatetruecolor($width, $height);
$watermark_color = $this->bwg_hex2rgb($watermark_color);
$watermark_color = imagecolorallocatealpha($watermark_image, $watermark_color[0], $watermark_color[1], $watermark_color[2], $watermark_transparency);
$watermark_font = WD_S_DIR . '/fonts/' . $watermark_font;
$watermark_font_size = $height * $watermark_font_size / 500;
$watermark_position = explode('-', $watermark_position);
$watermark_sizes = $this->bwg_imagettfbboxdimensions($watermark_font_size, 0, $watermark_font, $watermark_text);
$top = $height - 5;
$left = $width - $watermark_sizes['width'] - 5;
switch ($watermark_position[0]) {
case 'top':
$top = $watermark_sizes['height'] + 5;
break;
case 'middle':
$top = ($height + $watermark_sizes['height']) / 2;
break;
}
switch ($watermark_position[1]) {
case 'left':
$left = 5;
break;
case 'center':
$left = ($width - $watermark_sizes['width']) / 2;
break;
}
ini_set('memory_limit', '-1');
if ($type == 2) {
$image = imagecreatefromjpeg($original_filename);
imagettftext($image, $watermark_font_size, 0, $left, $top, $watermark_color, $watermark_font, $watermark_text);
imagejpeg($image, $dest_filename, 100);
imagedestroy($image);
} elseif ($type == 3) {
$image = imagecreatefrompng($original_filename);
imagettftext($image, $watermark_font_size, 0, $left, $top, $watermark_color, $watermark_font, $watermark_text);
imageColorAllocateAlpha($image, 0, 0, 0, 127);
imagealphablending($image, FALSE);
imagesavealpha($image, TRUE);
imagepng($image, $dest_filename, 9);
imagedestroy($image);
} elseif ($type == 1) {
$image = imagecreatefromgif($original_filename);
imageColorAllocateAlpha($watermark_image, 0, 0, 0, 127);
imagecopy($watermark_image, $image, 0, 0, 0, 0, $width, $height);
imagettftext($watermark_image, $watermark_font_size, 0, $left, $top, $watermark_color, $watermark_font, $watermark_text);
imagealphablending($watermark_image, FALSE);
imagesavealpha($watermark_image, TRUE);
imagegif($watermark_image, $dest_filename);
imagedestroy($image);
}
imagedestroy($watermark_image);
ini_restore('memory_limit');
}示例14: rotate
/**
* @param $angle
* @return $this|self
*/
public function rotate($angle)
{
$this->preModify();
$angle = 360 - $angle;
$this->resource = imagerotate($this->resource, $angle, imageColorAllocateAlpha($this->resource, 0, 0, 0, 127));
$this->setWidth(imagesx($this->resource));
$this->setHeight(imagesy($this->resource));
$this->postModify();
$this->setIsAlphaPossible(true);
return $this;
}示例15: imageCreateTrueColor
<?php
$im = imageCreateTrueColor(110, 30);
$color = imageColorAllocate($im, 255, 198, 0);
imageAntiAlias($im, true);
imageFill($im, 10, 10, $color);
//добавлеяем фоновые точки на картинке
$color = imageColorAllocateAlpha($im, 116, 187, 15, 50);
for ($i = 0; $i < 800; $i++) {
$randW = mt_rand(0, imageSX($im));
$randH = mt_rand(0, imageSY($im));
imageSetPixel($im, $randW, $randH, $color);
}
//создаем массив значений букв и цыфр для капчи
$color = imageColorAllocate($im, 255, 255, 255);
$letters = array_merge(range('A', 'Z'), range(0, 9));
//составляем и удаляем лишние символы, которые приводят к путанице
$delLetters = ['O', 'I', 'J', 7, '0', 'Q', '5', 'S'];
for ($i = 0; $i < count($delLetters); $i++) {
unset($letters[array_search($delLetters[$i], $letters)]);
}
//перемешиваем массив и выбираем срез
shuffle($letters);
$sliceLetters = array_slice($letters, 0, 5);
//устанавливаем настройки для отображения символов и выводим текст
$deg = [10, -10, 15, 0, -20];
$rands = [mt_rand(0, 7), mt_rand(0, 9), mt_rand(8, 15), mt_rand(0, 9), mt_rand(16, 23)];
$opts = [mt_rand(2, 8), mt_rand(22, 26), mt_rand(46, 50), mt_rand(70, 72), mt_rand(86, 88)];
for ($i = 0; $i < count($sliceLetters); $i++) {
$letter = $sliceLetters[$i];
$str .= $letter;