public function getFile()
{
$name = TypeShow::getStyleName();
if (array_key_exists($name, $this->styles)) {
$style = $this->styles[$name];
if (file_exists(TypeShow::path() . 'fonts/' . $style->fontfile)) {
return TypeShow::path() . 'fonts/' . $style->fontfile;
} else {
throw new Exception('Font file is missing: ' . $this->name . ' / ' . $style->name . ' (' . TypeShow::path() . 'fonts/' . $style->fontfile . ')');
}
} else {
foreach ($this->styles as $style) {
if (file_exists(TypeShow::path() . 'fonts/' . $style->fontfile)) {
return TypeShow::path() . 'fonts/' . $style->fontfile;
}
}
}
throw new Exception('Invalid Style: ' . $name);
}
public function render()
{
// Get current settings
$settings = TypeShow::getSettings();
$theme = TypeShow::getTheme();
$font = TypeShow::getFont();
// Font scale factor
$scale = $settings->renderer->ppi / 72;
// Get width & height
$w = $settings->dimensions->width;
$h = $settings->dimensions->height;
// Create canvas
$canvas = imagecreatetruecolor($w, $h);
// Paint background
$bgcolor = $this->allocateColor($canvas, $theme->backgroundcolor);
imagefilledrectangle($canvas, 0, 0, $w, $h, $bgcolor);
//echo TypeShow::path() . 'themes/' . $theme->folder . $theme->backgroundimage; exit;
try {
$imgBackground = $this->getImage(TypeShow::path() . 'themes/' . $theme->folder . $theme->backgroundimage);
imagecopy($canvas, $imgBackground, 0, 0, 0, 0, imagesx($imgBackground), imagesy($imgBackground));
imagedestroy($imgBackground);
} catch (Exception $e) {
// Ignore
}
// Get current text
$textWOL = TypeShow::text(false);
$text = TypeShow::text();
$compareSize = $w / strlen($textWOL) + $h / strlen($textWOL) / 2;
$padding = $settings->dimensions->padding;
//ORIGINAL
/*
$bbox = imageftbbox(100, 0, $font->getFile(), $textWOL);
$bbox_width = $bbox[2];
$bbox_height = $bbox[5] * -1;
//calculate necessary font size to fill picture with the text in $s
$fontsize = (100 / $bbox_width) * ($w - $padding->left - $padding->right);
// limit font size so it won’t go off the page vertically
if ($fontsize > ($h - $padding->top - $padding->bottom)) {
$fontsize = $h - $padding->top - $padding->bottom;
}
// calculate final dimensions of text at calculated size to determine positioning
$bbox = imageftbbox($fontsize, 0, $font->getFile(), $textWOL);
$bbox_width = $bbox[2];
$bbox_height = $bbox[5] * (- 1);
// set final vertical position of baseline
$baseline = (($h - $padding->top - $padding->bottom) / 2 + ($fontsize / 2)) + $padding->top;
//center horizontally
$x = (($w - $bbox_width) / 2); */
// ROUND 1
/* Calculate bounding box (Step #1)
$bbox = imageftbbox($compareSize, 0, $font->getFile(), $textWOL);
$bbox_width = abs($bbox[0]) + abs($bbox[2]);
$bbox_height = abs($bbox[5]);
$compareSize = ($compareSize / $bbox_width) * ($w - $padding->left - $padding->right);
*/
// ROUND 2
// Calculate bounding box (Step #1)
$bbox = imageftbbox($compareSize, 0, $font->getFile(), $textWOL);
$bbox_width = abs($bbox[0]) + abs($bbox[2]);
$bbox_height = abs($bbox[5]);
$fontsize = $compareSize / $bbox_width * ($w - $padding->left - $padding->right);
$descent = abs($bbox[3]);
// Limit font size so it won’t go off the page vertically
$fontsizeH = $compareSize / $bbox_height * ($h - $padding->top - $padding->bottom);
// - $descent
$fontsize = $fontsizeH < $fontsize ? $fontsizeH : $fontsize;
// Calculate bounding box for final positioning (Step 2)
$bbox = imageftbbox($fontsize, 0, $font->getFile(), $textWOL);
$bbox_width = abs($bbox[0]) + abs($bbox[2]);
$bbox_height = abs($bbox[5]);
// Position text according to padding settings
$f = $bbox_height;
$baseline = $padding->top + ($h - $padding->top - $padding->bottom - $f) / 2 + $f;
// + ($fontsize / 2)) + $padding->top; //$h - $padding->bottom;
// Position text in the center
$x = ($w - $bbox_width) / 2;
// Set text color
$textcolor = $this->allocateColor($canvas, $theme->textcolor);
// Debug Paint Bounding Box
//imagerectangle($canvas, $x, $baseline, $x + $bbox_width, $baseline - $bbox_height, $textcolor);
//imageline($canvas, $x, $baseline+$descent, $x + $bbox_width, $baseline+$descent, $textcolor);
// Paint text
imagefttext($canvas, $fontsize, 0, $x, $baseline, $textcolor, $font->getFile(), $text);
// Paint overlay image
try {
$imgOver = $this->getImage(TypeShow::path() . 'themes/' . $theme->folder . $theme->overlayimage);
/* if (imagesx($imgOver) != $w || imagesy($imgOver) != $h) {
imagecopyresampled($canvas, $imgOver, 0, 0, 0, 0, $w, $h, imagesx($imgOver), imagesy($imgOver));
} else {
imagecopy($canvas, $imgOver, 0, 0, 0, 0, $w, $h);
} */
imagecopy($canvas, $imgOver, $theme->overlayimage_x, $theme->overlayimage_y, 0, 0, imagesx($imgOver), imagesy($imgOver));
imagedestroy($imgOver);
} catch (Exception $e) {
// Should we create an overlay?
}
// Get caption text
$overlay_dictionary = array('%font%' => $font->name, '%style%' => $settings->current->style, '%designer%' => $font->designer, '%foundry%' => $font->foundry, '%size%' => round($fontsize * $scale));
$overlay_text = strtr($settings->caption->text, $overlay_dictionary);
// Set caption color
$captioncolor = $this->allocateColor($canvas, $theme->captioncolor);
// Paint caption Text
imagefttext($canvas, $settings->caption->fontsize, 0, $settings->caption->x, $settings->caption->y, $captioncolor, TypeShow::path() . 'caption/' . $settings->caption->font, $overlay_text);
// Output PNG Image
header("Cache-Control: no-cache, must-revalidate");
// HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
// Datum in der Vergangenheit
header('Content-type: image/png');
imagepng($canvas);
}
public static function setDataPath($path)
{
self::$datapath = $path;
}
function err($e1, $e2 = '', $e3 = '', $e4 = '')
{
if (!TS_DEBUG) {
$msg = date("Y.m.d H:i:s") . "\n" . $e1 . ' ' . $e2 . ' ' . $e3 . ' ' . $e4 . ' ';
file_put_contents(dirname(__FILE__) . '/../resources/logs/error.log', $msg, FILE_APPEND);
header('Content-type: image/png');
echo file_get_contents(TypeShow::path() . 'img/error.png');
exit;
}
}
