/**
* function filter_render_type
* Returns HTML markup containing an image with a data: URI
* @param string $content The text to be rendered
* @param string $font_file The path to a font file in a format ImageMagick can handle
* @param integer $font_size The font size, in pixels (defaults to 28)
* @param string $font_color The font color (defaults to 'black')
* @param string $background_color The background color (defaults to 'transparent')
* @param string $output_format The image format to use (defaults to 'png')
* @return string HTML markup containing the rendered image
**/
public function filter_render_type($content, $font_file, $font_size, $font_color, $background_color, $output_format, $width)
{
// Preprocessing $content
// 1. Strip HTML tags. It would be better to support them, but we just strip them for now.
// 2. Decode HTML entities to UTF-8 charaaters.
$content = html_entity_decode(strip_tags($content), ENT_QUOTES, 'UTF-8');
// 3. Do word wrap when $width is specified. Not work for double-width characters.
if (is_int($width)) {
$content = wordwrap($content, floor($width / (0.3 * $font_size)));
}
$cache_group = strtolower(get_class($this));
$cache_key = $font_file . $font_size . $font_color . $background_color . $output_format . $content . $width;
if (!Cache::has(array($cache_group, md5($cache_key)))) {
$font_color = new ImagickPixel($font_color);
$background_color = new ImagickPixel($background_color);
$draw = new ImagickDraw();
$draw->setFont($font_file);
$draw->setFontSize($font_size);
$draw->setFillColor($font_color);
$draw->setTextEncoding('UTF-8');
$draw->annotation(0, $font_size * 2, $content);
$canvas = new Imagick();
$canvas->newImage(1000, $font_size * 5, $background_color);
$canvas->setImageFormat($output_format);
$canvas->drawImage($draw);
// The following line ensures that the background color is set in the PNG
// metadata, when using that format. This allows you, by specifying an RGBa
// background color (e.g. #ffffff00) to create PNGs with a transparent background
// for browsers that support it but with a "fallback" background color (the RGB
// part of the RGBa color) for IE6, which does not support alpha in PNGs.
$canvas->setImageBackgroundColor($background_color);
$canvas->trimImage(0);
Cache::set(array($cache_group, md5($cache_key)), $canvas->getImageBlob());
}
return '<img class="rendered-type" src="' . URL::get('display_rendertype', array('hash' => md5($cache_key), 'format' => $output_format)) . '" title="' . $content . '" alt="' . $content . '">';
}
function generate_final_video_frames($converted_avatars, $uid, $dir = 'data', $videos_frames)
{
include get_template_directory() . '/video_libs/libs.php';
$frames = array();
$i = 1;
$converted_path = $dir . "/{$uid}/frames";
if (!file_exists("{$converted_path}")) {
exec("mkdir -p {$converted_path}");
}
exec("chmod 777 -R {$converted_path}");
exec("rm -rf {$converted_path}/*");
#include get_template_directory() . '/video_libs/data.php';
/*include get_template_directory() . '/video_libs/data_live.php';
$videos_frames = get_data_videos($_REQUEST['uid'], $_REQUEST['eid']);*/
foreach ($videos_frames as $key => $value) {
$name = generate_filename($i);
$filename = $value->imageFrame;
$curr_frame = "{$converted_path}/{$name}";
$frames[] = $curr_frame;
$text_objs = isset($value->text) ? $value->text : array();
$image_objs = isset($value->imageFace) ? $value->imageFace : array();
if (array_key_exists($filename, $converted_avatars) && !empty($converted_avatars[$filename])) {
if (!empty($image_objs)) {
foreach ($image_objs as $image_obj) {
$order = $image_obj->order;
if ($order == 'back') {
$msg = exec("convert {$converted_avatars[$filename]} {$filename} -composite {$curr_frame}");
} else {
$msg = exec("convert {$filename} {$converted_avatars[$filename]} -composite {$curr_frame}");
}
}
}
} else {
exec("cp {$filename} {$curr_frame}");
}
$w = 210;
if (!empty($text_objs)) {
foreach ($text_objs as $text_obj) {
$picin = new Imagick($curr_frame);
$draw = new ImagickDraw();
$draw->setTextEncoding('utf-8');
$draw->setFillColor("rgba(255, 255, 255, {$text_obj->opacity})");
$draw->setFont($text_obj->font);
$draw->setFontSize($text_obj->size);
$positions = explode(',', $text_obj->position);
//list($lines, $lineHeight)= wordWrapAnnotation($picin, $draw, $text_obj->text, $w-10);
if (!empty($text_obj->break) && $text_obj->break == 'yes') {
$y = $positions[1];
$line_height = 55;
$str = wordwrap($text_obj->text, 19, "\n");
$str_array = explode("\n", $str);
foreach ($str_array as $line) {
$picin->annotateImage($draw, $positions[0], $y, 0, $line);
$y += $line_height;
}
} else {
$picin->annotateImage($draw, $positions[0], $positions[1], 0, $text_obj->text);
}
//$picin->annotateImage($draw, $positions[0], $positions[1], 0, $text_obj->text);
//$picin->annotateImage($draw, $positions[0], $positions[1], 0, $lines);
$picin->writeimage($curr_frame);
/*if( strpos($filename, '110.png')){
echo '<pre>';
print_r($image_obj);
echo '</pre>';
echo 'aaaa';die;
}*/
}
}
$i++;
}
return $frames;
}
var_dump($draw->getGravity() === Imagick::GRAVITY_SOUTHEAST);
// stroke
$draw->setStrokeAntialias(false);
var_dump($draw->getStrokeAntialias());
$draw->setStrokeColor(new ImagickPixel('#F02B88'));
var_dump($draw->getStrokeColor()->getColor());
$draw->setStrokeDashArray(array(1, 2, 3));
var_dump($draw->getStrokeDashArray());
$draw->setStrokeDashOffset(-1);
var_dump($draw->getStrokeDashOffset());
$draw->setStrokeLineCap(Imagick::LINECAP_SQUARE);
var_dump($draw->getStrokeLineCap() === Imagick::LINECAP_SQUARE);
$draw->setStrokeLineJoin(Imagick::LINEJOIN_BEVEL);
var_dump($draw->getStrokeLineJoin() === Imagick::LINEJOIN_BEVEL);
$draw->setStrokeMiterLimit(3);
var_dump($draw->getStrokeMiterLimit());
$draw->setStrokeOpacity(0.9);
printf("%.2f\n", $draw->getStrokeOpacity());
$draw->setStrokeWidth(1.2);
printf("%.2f\n", $draw->getStrokeWidth());
// text
$draw->setTextAlignment(Imagick::ALIGN_CENTER);
var_dump($draw->getTextAlignment() === Imagick::ALIGN_CENTER);
$draw->setTextAntialias(false);
var_dump($draw->getTextAntialias());
$draw->setTextDecoration(Imagick::DECORATION_LINETROUGH);
var_dump($draw->getTextDecoration() === Imagick::DECORATION_LINETROUGH);
$draw->setTextEncoding('UTF-8');
var_dump($draw->getTextEncoding());
$draw->setTextUnderColor('cyan');
var_dump($draw->getTextUnderColor()->getColor());
function text2image($text, $width, $margin, $size, $font, $align, $stroke, $bg, $color, $scolor, $out)
{
$text = html_entity_decode($text);
$lines = array();
//break up the text on the line
$imageForMetric = new Imagick();
$drawForMetric = new ImagickDraw();
$drawForMetric->setFont($font);
$drawForMetric->setFontSize($size);
$explicitLines = preg_split('/\\n|\\r\\n?/', $text);
$key = 0;
foreach ($explicitLines as $line) {
$words = explode(" ", $line);
$line = $words[0];
for ($i = 1; $i < count($words); $i++) {
if ($imageForMetric->queryFontMetrics($drawForMetric, $line . " " . $words[$i])['textWidth'] >= $width - $margin * 2) {
$key++;
$lines[$key]['text'] = $line;
$line = $words[$i];
} else {
$line .= " " . $words[$i];
}
}
$key++;
$lines[$key]['text'] = $line;
$lines[$key]['type'] = 'last';
}
$imageForMetric->destroy();
$drawForMetric->destroy();
//line height
$lineHeightPx = $size * 1.5;
//margin top and bottom (can leave $pad=$margin;)
if ($size < 16) {
$pad = $size / 2;
} elseif ($size < 26) {
$pad = $size / 3;
} elseif ($size < 36) {
$pad = $size / 4;
} else {
$pad = 0;
}
//height image
$textHeight = count($lines) * $lineHeightPx + $pad * 2;
$image = new Imagick();
$draw = new ImagickDraw();
$pixel = new ImagickPixel('#' . $bg);
$image->newImage($width, $textHeight + $lineHeightPx / 2, $pixel);
$draw->setFillColor('#' . $color);
$draw->setFont($font);
$draw->setFontSize($size);
//for setTextAlignment
if ($align == 'center') {
$alignNumber = 2;
} elseif ($align == 'right') {
$alignNumber = 3;
} else {
$alignNumber = 1;
}
$draw->setTextAlignment($alignNumber);
$draw->setTextEncoding('UTF-8');
//x start position
if ($align == 'center') {
$xpos = $width / 2;
} elseif ($align == 'right') {
$xpos = $width - $margin;
} else {
$xpos = $margin;
}
//text stroke
if ($stroke) {
$drawstroke = new ImagickDraw();
$drawstroke->setFillColor('#' . $scolor);
$drawstroke->setFont($font);
$drawstroke->setFontSize($size);
$drawstroke->setTextAlignment($alignNumber);
$drawstroke->setTextEncoding('UTF-8');
}
//y start position
$ypos = $lineHeightPx + $pad;
$i = 0;
foreach ($lines as $value => $line) {
if ($align == 'justify' && (!isset($lines[$value]['type']) || $lines[$value]['type'] != 'last')) {
//justify for all lines (except last)
$line = trim($lines[$value]['text']);
$sp = 0;
$j = 0;
$line = preg_replace("/ +/", " ", $line);
$spaces = substr_count($line, ' ');
$word = explode(' ', $line);
//word metrics
$metrics = 0;
foreach ($word as $w) {
$metrics = $metrics + $image->queryFontMetrics($draw, $w)['textWidth'];
}
$spacewidth = ($width - $margin * 2 - $metrics) / $spaces;
foreach ($word as $w) {
if ($w !== '') {
$j++;
if ($j > 1) {
$sp = $sp + $spacewidth;
}
if ($stroke) {
//draw stroke
$ys = 0;
$xs = $stroke;
$d = (5 - $stroke * 4) / 4;
while ($xs >= $ys) {
$image->annotateImage($drawstroke, $xpos + $sp + $stroke, $ypos + $i * $lineHeightPx + $ys, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp + $stroke, $ypos + $i * $lineHeightPx - $ys, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp - $stroke, $ypos + $i * $lineHeightPx + $ys, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp - $stroke, $ypos + $i * $lineHeightPx - $ys, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp + $ys, $ypos + $i * $lineHeightPx + $stroke, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp + $ys, $ypos + $i * $lineHeightPx - $stroke, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp - $ys, $ypos + $i * $lineHeightPx + $stroke, 0, $w);
$image->annotateImage($drawstroke, $xpos + $sp - $ys, $ypos + $i * $lineHeightPx - $stroke, 0, $w);
if ($d < 0) {
$d += 2 * $ys + 1;
} else {
$d += 2 * ($ys - $xs) + 1;
$xs--;
}
$ys++;
}
}
//draw word
$image->annotateImage($draw, $xpos + $sp, $ypos + $i * $lineHeightPx, 0, $w);
//space width
$sp = $sp + $image->queryFontMetrics($draw, $w)['textWidth'];
}
}
} else {
if ($stroke) {
//draw stroke
$ys = 0;
$xs = $stroke;
$d = (5 - $stroke * 4) / 4;
while ($xs >= $ys) {
$image->annotateImage($drawstroke, $xpos + $stroke, $ypos + $i * $lineHeightPx + $ys, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos + $stroke, $ypos + $i * $lineHeightPx - $ys, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos - $stroke, $ypos + $i * $lineHeightPx + $ys, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos - $stroke, $ypos + $i * $lineHeightPx - $ys, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos + $ys, $ypos + $i * $lineHeightPx + $stroke, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos + $ys, $ypos + $i * $lineHeightPx - $stroke, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos - $ys, $ypos + $i * $lineHeightPx + $stroke, 0, $lines[$value]['text']);
$image->annotateImage($drawstroke, $xpos - $ys, $ypos + $i * $lineHeightPx - $stroke, 0, $lines[$value]['text']);
if ($d < 0) {
$d += 2 * $ys + 1;
} else {
$d += 2 * ($ys - $xs) + 1;
$xs--;
}
$ys++;
}
}
//draw line
$image->annotateImage($draw, $xpos, $ypos + $i * $lineHeightPx, 0, $lines[$value]['text']);
}
$i++;
}
//save image to png
$image->setCompressionQuality(100);
$image->setCompression(Imagick::COMPRESSION_NO);
$image->setImageFormat('png');
$image->writeImage('png24:' . $out);
$image->destroy();
}