function pdf_create($html, $filename, $stream = TRUE)
{
$dompdf = new DOMPDF();
$dompdf->set_paper("A4");
$dompdf->load_html($html);
$dompdf->render();
$canvas = $dompdf->get_canvas();
// get height and width of page
$w = $canvas->get_width();
$h = $canvas->get_height();
// get font
$font = Font_Metrics::get_font("helvetica", "normal");
$txtHeight = Font_Metrics::get_font_height($font, 7);
//draw line for signature manager
$mnline = $h - 10 * $txtHeight - 24;
$colormn = array(0, 0, 0);
$canvas->line(20, $mnline, $w - 470, $mnline, $colormn, 1);
//text for signature Requestor/HOD
$textmn = "Requestor/HOD";
$widthmn = Font_Metrics::get_text_width($textmn, $font, 12);
$canvas->text($w - $widthmn - 480, $mnline, $textmn, $font, 12);
// draw a line along the bottom
$y = $h - 2 * $txtHeight - 24;
$color = array(0, 0, 0);
$canvas->line(16, $y, $w - 16, $y, $color, 1);
//draw line for GM/Manager
//$canvas->line(270, $mnline, $w - 240, $mnline, $colormn, 1);
$canvas->line(330, $mnline, $w - 170, $mnline, $colormn, 1);
$texthr = "GM/Manager";
$widthhr = Font_Metrics::get_text_width($texthr, $font, 12);
$canvas->text($w - $widthmn - 160, $mnline, $texthr, $font, 12);
//draw line for HR
//$canvas->line(270, $mnline, $w - 240, $mnline, $colormn, 1);
$canvas->line(180, $mnline, $w - 310, $mnline, $colormn, 1);
$texthr = "HR";
$widthhr = Font_Metrics::get_text_width($texthr, $font, 12);
$canvas->text($w - $widthmn - 325, $mnline, $texthr, $font, 12);
//draw line for IT Officer
$canvas->line(470, $mnline, $w - 20, $mnline, $colormn, 1);
$textIT = "IT Officer";
$canvas->text($w - $widthmn - 30, $mnline, $textIT, $font, 12);
// set page number on the left side
//$canvas->page_text(16, $y, "Page: {PAGE_NUM} of {PAGE_COUNT}", $font, 8, $color);
$canvas->page_text($w - 324, $y, "Page: {PAGE_NUM} of {PAGE_COUNT}", $font, 8, $color);
// set additional text
$text = "ESRNL PORTAL";
$width = Font_Metrics::get_text_width($text, $font, 8);
$canvas->text($w - $width - 16, $y, $text, $font, 8);
if ($stream) {
$dompdf->stream($filename . ".pdf");
} else {
$CI =& get_instance();
$CI->load->helper('file');
write_file($filename, $dompdf->output());
}
}
function recalculate_width()
{
$style = $this->get_style();
$text = $this->get_text();
$size = $style->font_size;
$font = $style->font_family;
$word_spacing = $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
return $style->width = Font_Metrics::get_text_width($text, $font, $size, $word_spacing, $char_spacing);
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
$debug_png = $dompdf->get_option("debug_png");
if ($debug_png) {
print '[__construct ' . $url . ']';
}
list($this->_image_url, , $this->_image_msg) = Image_Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path(), $dompdf);
if (Image_Cache::is_broken($this->_image_url) && ($alt = $frame->get_node()->getAttribute("alt"))) {
$style = $frame->get_style();
$style->width = 4 / 3 * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
global $_dompdf_warnings;
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
//debugpng
if (DEBUGPNG) {
print '[__construct ' . $url . ']';
}
list($this->_image_url, $this->_image_ext) = Image_Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path());
if (strrpos($this->_image_url, DOMPDF_LIB_DIR . "/res/broken_image.png", 0) !== false && ($alt = $frame->get_node()->getAttribute("alt"))) {
$style = $frame->get_style();
$style->width = 4 / 3 * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
global $_dompdf_warnings;
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
//debugpng
if (DEBUGPNG) print '[__construct ' . $url . ']';
list($this->_image_url, $type, $this->_image_msg) = Image_Cache::resolve_url($url,
$dompdf->get_protocol(),
$dompdf->get_host(),
$dompdf->get_base_path());
if (Image_Cache::is_broken($this->_image_url) &&
$alt = $frame->get_node()->getAttribute("alt")
) {
$style = $frame->get_style();
$style->width = (4 / 3) * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
/**
* Adjust the justification of each of our lines.
* http://www.w3.org/TR/CSS21/text.html#propdef-text-align
*/
protected function _text_align()
{
$style = $this->_frame->get_style();
$w = $this->_frame->get_containing_block("w");
$width = $style->length_in_pt($style->width, $w);
switch ($style->text_align) {
default:
case "left":
foreach ($this->_frame->get_line_boxes() as $line) {
if (!$line->left) {
continue;
}
foreach ($line->get_frames() as $frame) {
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $line->left);
}
}
return;
case "right":
foreach ($this->_frame->get_line_boxes() as $line) {
// Move each child over by $dx
$dx = $width - $line->w - $line->right;
foreach ($line->get_frames() as $frame) {
// Block frames are not aligned by text-align
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $dx);
}
}
break;
case "justify":
// We justify all lines except the last one
$lines = $this->_frame->get_line_boxes();
// needs to be a variable (strict standards)
$lines = array_splice($lines, 0, -1);
foreach ($lines as $i => $line) {
if ($line->br) {
unset($lines[$i]);
}
}
// One space character's width. Will be used to get a more accurate spacing
$space_width = Font_Metrics::get_text_width(" ", $style->font_family, $style->font_size);
foreach ($lines as $i => $line) {
if ($line->left) {
foreach ($line->get_frames() as $frame) {
if (!$frame instanceof Text_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $line->left);
}
}
// Only set the spacing if the line is long enough. This is really
// just an aesthetic choice ;)
//if ( $line["left"] + $line["w"] + $line["right"] > self::MIN_JUSTIFY_WIDTH * $width ) {
// Set the spacing for each child
if ($line->wc > 1) {
$spacing = ($width - ($line->left + $line->w + $line->right) + $space_width) / ($line->wc - 1);
} else {
$spacing = 0;
}
$dx = 0;
foreach ($line->get_frames() as $frame) {
if (!$frame instanceof Text_Frame_Decorator) {
continue;
}
$text = $frame->get_text();
$spaces = mb_substr_count($text, " ");
$char_spacing = $style->length_in_pt($style->letter_spacing);
$_spacing = $spacing + $char_spacing;
$frame->set_position($frame->get_position("x") + $dx);
$frame->set_text_spacing($_spacing);
$dx += $spaces * $_spacing;
}
// The line (should) now occupy the entire width
$this->_frame->set_line($i, null, $width);
//}
}
break;
case "center":
case "centre":
foreach ($this->_frame->get_line_boxes() as $line) {
// Centre each line by moving each frame in the line by:
$dx = ($width + $line->left - $line->w - $line->right) / 2;
foreach ($line->get_frames() as $frame) {
// Block frames are not aligned by text-align
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $dx);
}
}
break;
}
}
function get_min_max_width()
{
$style = $this->_frame->get_style();
$this->_block_parent = $this->_frame->find_block_parent();
$line_width = $this->_frame->get_containing_block("w");
$str = $text = $this->_frame->get_text();
$size = $style->font_size;
$font = $style->font_family;
$word_spacing = $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
switch ($style->white_space) {
default:
case "normal":
$str = preg_replace(self::$_whitespace_pattern, " ", $str);
case "pre-wrap":
case "pre-line":
// Find the longest word (i.e. minimum length)
// This technique (using arrays & an anonymous function) is actually
// faster than doing a single-pass character by character scan. Heh,
// yes I took the time to bench it ;)
$words = array_flip(preg_split("/[\\s-]+/u", $str, -1, PREG_SPLIT_DELIM_CAPTURE));
array_walk($words, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . addslashes($font) . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($words);
$min = reset($words);
break;
case "pre":
$lines = array_flip(preg_split("/\n/u", $str));
array_walk($lines, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . addslashes($font) . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($lines);
$min = reset($lines);
break;
case "nowrap":
$min = Font_Metrics::get_text_width($this->_collapse_white_space($str), $font, $size, $word_spacing, $char_spacing);
break;
}
switch ($style->white_space) {
default:
case "normal":
case "nowrap":
$str = preg_replace(self::$_whitespace_pattern, " ", $text);
break;
case "pre-line":
//XXX: Is this correct?
$str = preg_replace("/[ \t]+/u", " ", $text);
case "pre-wrap":
// Find the longest word (i.e. minimum length)
$lines = array_flip(preg_split("/\n/", $text));
array_walk($lines, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . $font . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($lines);
reset($lines);
$str = key($lines);
break;
}
$max = Font_Metrics::get_text_width($str, $font, $size, $word_spacing, $char_spacing);
$delta = $style->length_in_pt(array($style->margin_left, $style->border_left_width, $style->padding_left, $style->padding_right, $style->border_right_width, $style->margin_right), $line_width);
$min += $delta;
$max += $delta;
return array($min, $max, "min" => $min, "max" => $max);
}
function render(Frame $frame)
{
$text = $frame->get_text();
if (trim($text) === "") {
return;
}
$style = $frame->get_style();
list($x, $y) = $frame->get_position();
$cb = $frame->get_containing_block();
if (($ml = $style->margin_left) === "auto" || $ml === "none") {
$ml = 0;
}
if (($pl = $style->padding_left) === "auto" || $pl === "none") {
$pl = 0;
}
if (($bl = $style->border_left_width) === "auto" || $bl === "none") {
$bl = 0;
}
$x += $style->length_in_pt(array($ml, $pl, $bl), $cb["w"]);
$font = $style->font_family;
$size = $frame_font_size = $style->font_size;
$height = $style->height;
$word_spacing = $frame->get_text_spacing() + $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
$width = $style->width;
/*
* $text = str_replace( array("{PAGE_NUM}"), array($this->_canvas->get_page_number()), $text );
*/
$this->_canvas->text($x, $y, $text, $font, $size, $style->color, $word_spacing, $char_spacing);
$line = $frame->get_containing_line();
// FIXME Instead of using the tallest frame to position,
// the decoration, the text should be well placed
if (false && $line->tallest_frame) {
$base_frame = $line->tallest_frame;
$style = $base_frame->get_style();
$size = $style->font_size;
$height = $line->h * ($size / $style->line_height);
}
if (method_exists($this->_canvas, "get_cpdf")) {
$cpdf = $this->_canvas->get_cpdf();
// $cpdf_font = $cpdf->fonts[$style->font_family];
// $base = ($cpdf_font["UnderlinePosition"]*$size)/1000;
// $descent = (($cpdf_font["Ascender"]-$cpdf_font["Descender"])*$size)/1000;
$fontBBox = $cpdf->fonts[$style->font_family]['FontBBox'];
$base = $fontBBox[3] * $size / 1000 * 0.9;
$descent = $fontBBox[1] * $size / 1000;
// print '<pre>Text_Renderer cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
} else {
// Descent is font part below baseline, typically negative. $height is about full height of font box.
// $descent = -$size/6; is less accurate, depends on font family.
// @todo Could we get font info for PDFlib adapter and others ?
$base = $size * 1.08;
$descent = $size - $height;
// print '<pre>Text_Renderer other than cpdf:'.$base.' '.$descent.' '.$size.'</pre>';
}
// Handle text decoration:
// http://www.w3.org/TR/CSS21/text.html#propdef-text-decoration
// Draw all applicable text-decorations. Start with the root and work our way down.
$p = $frame;
$stack = array();
while ($p = $p->get_parent()) {
$stack[] = $p;
}
while (isset($stack[0])) {
$f = array_pop($stack);
if (($text_deco = $f->get_style()->text_decoration) === "none") {
continue;
}
$deco_y = $y;
// $line->y;
$color = $f->get_style()->color;
switch ($text_deco) {
default:
continue;
case "underline":
$deco_y += $base - $descent + $size * (self::UNDERLINE_OFFSET - self::DECO_THICKNESS / 2);
break;
case "overline":
$deco_y += $size * (self::OVERLINE_OFFSET + self::DECO_THICKNESS / 2);
break;
case "line-through":
$deco_y += $base * 0.7 + $size * self::LINETHROUGH_OFFSET;
break;
}
$dx = 0;
$x1 = $x - self::DECO_EXTENSION;
$x2 = $x + $width + $dx + self::DECO_EXTENSION;
$this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $size * self::DECO_THICKNESS);
}
if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
$text_width = Font_Metrics::get_text_width($text, $font, $frame_font_size);
$this->_debug_layout(array($x, $y, $text_width + ($line->wc - 1) * $word_spacing, $frame_font_size), "orange", array(0.5, 0.5));
}
}
function render(Frame $frame)
{
$style = $frame->get_style();
$font_size = $style->get_font_size();
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
$this->_set_opacity($frame->get_opacity($style->opacity));
// Handle list-style-image
// If list style image is requested but missing, fall back to predefined types
if ($style->list_style_image !== "none" && strcmp($img = $frame->get_image_url(), DOMPDF_LIB_DIR . "/res/broken_image.png") != 0) {
list($x, $y) = $frame->get_position();
//For expected size and aspect, instead of box size, use image natural size scaled to DPI.
// Resample the bullet image to be consistent with 'auto' sized images
// See also Image_Frame_Reflower::get_min_max_width
// Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary.
//$w = $frame->get_width();
//$h = $frame->get_height();
list($width, $height) = dompdf_getimagesize($img);
$w = (double) rtrim($width, "px") * 72 / DOMPDF_DPI;
$h = (double) rtrim($height, "px") * 72 / DOMPDF_DPI;
$x -= $w;
$y -= ($line_height - $font_size) / 2;
//Reverse hinting of list_bullet_positioner
$this->_canvas->image($img, $frame->get_image_ext(), $x, $y, $w, $h);
} else {
$bullet_style = $style->list_style_type;
$fill = false;
switch ($bullet_style) {
default:
case "disc":
$fill = true;
case "circle":
list($x, $y) = $frame->get_position();
$r = $font_size * List_Bullet_Frame_Decorator::BULLET_SIZE / 2;
$x -= $font_size * (List_Bullet_Frame_Decorator::BULLET_SIZE / 2);
$y += $font_size * (1 - List_Bullet_Frame_Decorator::BULLET_DESCENT) / 2;
$o = $font_size * List_Bullet_Frame_Decorator::BULLET_THICKNESS;
$this->_canvas->circle($x, $y, $r, $style->color, $o, null, $fill);
break;
case "square":
list($x, $y) = $frame->get_position();
$w = $font_size * List_Bullet_Frame_Decorator::BULLET_SIZE;
$x -= $w;
$y += $font_size * (1 - List_Bullet_Frame_Decorator::BULLET_DESCENT - List_Bullet_Frame_Decorator::BULLET_SIZE) / 2;
$this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
break;
case "decimal-leading-zero":
case "decimal":
case "lower-alpha":
case "lower-latin":
case "lower-roman":
case "lower-greek":
case "upper-alpha":
case "upper-latin":
case "upper-roman":
case "1":
// HTML 4.0 compatibility
// HTML 4.0 compatibility
case "a":
case "i":
case "A":
case "I":
list($x, $y) = $frame->get_position();
$pad = null;
if ($bullet_style === "decimal-leading-zero") {
$pad = strlen($frame->get_parent()->get_parent()->get_node()->getAttribute("dompdf-children-count"));
}
$index = $frame->get_node()->getAttribute("dompdf-counter");
$text = $this->make_counter($index, $bullet_style, $pad);
$font_family = $style->font_family;
$spacing = 0;
//$frame->get_text_spacing() + $style->word_spacing;
if (trim($text) == "") {
return;
}
$x -= Font_Metrics::get_text_width($text, $font_family, $font_size, $spacing);
$this->_canvas->text($x, $y, $text, $font_family, $font_size, $style->color, $spacing);
case "none":
break;
}
}
}
/**
* @param Text_Frame_Decorator $frame
*/
function render(Frame $frame)
{
$text = $frame->get_text();
if (trim($text) === "") {
return;
}
$style = $frame->get_style();
list($x, $y) = $frame->get_position();
$cb = $frame->get_containing_block();
if (($ml = $style->margin_left) === "auto" || $ml === "none") {
$ml = 0;
}
if (($pl = $style->padding_left) === "auto" || $pl === "none") {
$pl = 0;
}
if (($bl = $style->border_left_width) === "auto" || $bl === "none") {
$bl = 0;
}
$x += $style->length_in_pt(array($ml, $pl, $bl), $cb["w"]);
$font = $style->font_family;
$size = $frame_font_size = $style->font_size;
$height = $style->height;
$word_spacing = $frame->get_text_spacing() + $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
$width = $style->width;
/*$text = str_replace(
array("{PAGE_NUM}"),
array($this->_canvas->get_page_number()),
$text
);*/
$this->_canvas->text($x, $y, $text, $font, $size, $style->color, $word_spacing, $char_spacing);
$line = $frame->get_containing_line();
// FIXME Instead of using the tallest frame to position,
// the decoration, the text should be well placed
if (false && $line->tallest_frame) {
$base_frame = $line->tallest_frame;
$style = $base_frame->get_style();
$size = $style->font_size;
$height = $line->h * ($size / $style->line_height);
}
$line_thickness = $size * self::DECO_THICKNESS;
$underline_offset = $size * self::UNDERLINE_OFFSET;
$overline_offset = $size * self::OVERLINE_OFFSET;
$linethrough_offset = $size * self::LINETHROUGH_OFFSET;
$underline_position = -0.08;
if ($this->_canvas instanceof CPDF_Adapter) {
$cpdf_font = $this->_canvas->get_cpdf()->fonts[$style->font_family];
if (isset($cpdf_font["UnderlinePosition"])) {
$underline_position = $cpdf_font["UnderlinePosition"] / 1000;
}
if (isset($cpdf_font["UnderlineThickness"])) {
$line_thickness = $size * ($cpdf_font["UnderlineThickness"] / 1000);
}
}
$descent = $size * $underline_position;
$base = $size;
// Handle text decoration:
// http://www.w3.org/TR/CSS21/text.html#propdef-text-decoration
// Draw all applicable text-decorations. Start with the root and work our way down.
$p = $frame;
$stack = array();
while ($p = $p->get_parent()) {
$stack[] = $p;
}
while (isset($stack[0])) {
$f = array_pop($stack);
if (($text_deco = $f->get_style()->text_decoration) === "none") {
continue;
}
$deco_y = $y;
//$line->y;
$color = $f->get_style()->color;
switch ($text_deco) {
default:
continue;
case "underline":
$deco_y += $base - $descent + $underline_offset + $line_thickness / 2;
break;
case "overline":
$deco_y += $overline_offset + $line_thickness / 2;
break;
case "line-through":
$deco_y += $base * 0.7 + $linethrough_offset;
break;
}
$dx = 0;
$x1 = $x - self::DECO_EXTENSION;
$x2 = $x + $width + $dx + self::DECO_EXTENSION;
$this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $line_thickness);
}
if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
$text_width = Font_Metrics::get_text_width($text, $font, $frame_font_size);
$this->_debug_layout(array($x, $y, $text_width + ($line->wc - 1) * $word_spacing, $frame_font_size), "orange", array(0.5, 0.5));
}
}
function get_min_max_width()
{
$frame = $this->_frame;
$style = $frame->get_style();
$this->_block_parent = $frame->find_block_parent();
$line_width = $frame->get_containing_block("w");
$str = $text = $frame->get_text();
$size = $style->font_size;
$font = $style->font_family;
$word_spacing = $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
switch ($style->white_space) {
default:
case "normal":
$str = preg_replace(self::$_whitespace_pattern, " ", $str);
case "pre-wrap":
case "pre-line":
$words = array_flip(preg_split("/[\\s-]+/u", $str, -1, PREG_SPLIT_DELIM_CAPTURE));
array_walk($words, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . addslashes($font) . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($words);
$min = reset($words);
break;
case "pre":
$lines = array_flip(preg_split("/\n/u", $str));
array_walk($lines, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . addslashes($font) . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($lines);
$min = reset($lines);
break;
case "nowrap":
$min = Font_Metrics::get_text_width($this->_collapse_white_space($str), $font, $size, $word_spacing, $char_spacing);
break;
}
switch ($style->white_space) {
default:
case "normal":
case "nowrap":
$str = preg_replace(self::$_whitespace_pattern, " ", $text);
break;
case "pre-line":
$str = preg_replace("/[ \t]+/u", " ", $text);
case "pre-wrap":
$lines = array_flip(preg_split("/\n/", $text));
array_walk($lines, create_function('&$val,$str', '$val = Font_Metrics::get_text_width($str, "' . $font . '", ' . $size . ', ' . $word_spacing . ', ' . $char_spacing . ');'));
arsort($lines);
reset($lines);
$str = key($lines);
break;
}
$max = Font_Metrics::get_text_width($str, $font, $size, $word_spacing, $char_spacing);
$delta = $style->length_in_pt(array($style->margin_left, $style->border_left_width, $style->padding_left, $style->padding_right, $style->border_right_width, $style->margin_right), $line_width);
$min += $delta;
$max += $delta;
return $this->_min_max_cache = array($min, $max, "min" => $min, "max" => $max);
}
protected function _text_align()
{
$style = $this->_frame->get_style();
$w = $this->_frame->get_containing_block("w");
$width = $style->length_in_pt($style->width, $w);
switch ($style->text_align) {
default:
case "left":
foreach ($this->_frame->get_line_boxes() as $line) {
if (!$line->left) {
continue;
}
foreach ($line->get_frames() as $frame) {
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $line->left);
}
}
return;
case "right":
foreach ($this->_frame->get_line_boxes() as $line) {
$dx = $width - $line->w - $line->right;
foreach ($line->get_frames() as $frame) {
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $dx);
}
}
break;
case "justify":
$lines = $this->_frame->get_line_boxes();
$lines = array_splice($lines, 0, -1);
foreach ($lines as $i => $line) {
if ($line->br) {
unset($lines[$i]);
}
}
$space_width = Font_Metrics::get_text_width(" ", $style->font_family, $style->font_size);
foreach ($lines as $i => $line) {
if ($line->left) {
foreach ($line->get_frames() as $frame) {
if (!$frame instanceof Text_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $line->left);
}
}
if ($line->wc > 1) {
$spacing = ($width - ($line->left + $line->w + $line->right) + $space_width) / ($line->wc - 1);
} else {
$spacing = 0;
}
$dx = 0;
foreach ($line->get_frames() as $frame) {
if (!$frame instanceof Text_Frame_Decorator) {
continue;
}
$text = $frame->get_text();
$spaces = mb_substr_count($text, " ");
$char_spacing = $style->length_in_pt($style->letter_spacing);
$_spacing = $spacing + $char_spacing;
$frame->set_position($frame->get_position("x") + $dx);
$frame->set_text_spacing($_spacing);
$dx += $spaces * $_spacing;
}
$this->_frame->set_line($i, null, $width);
}
break;
case "center":
case "centre":
foreach ($this->_frame->get_line_boxes() as $line) {
$dx = ($width + $line->left - $line->w - $line->right) / 2;
foreach ($line->get_frames() as $frame) {
if ($frame instanceof Block_Frame_Decorator) {
continue;
}
$frame->set_position($frame->get_position("x") + $dx);
}
}
break;
}
}
function set_text_spacing($spacing)
{
$this->_text_spacing = $spacing;
$style = $this->_frame->get_style();
// Re-adjust our width to account for the change in spacing
$style->width = Font_Metrics::get_text_width($this->get_text(), $style->font_family, $style->font_size, $spacing);
}
function render(Frame $frame) {
$style = $frame->get_style();
$font_size = $style->get_font_size();
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
$this->_set_opacity( $frame->get_opacity( $style->opacity ) );
$li = $frame->get_parent();
// Don't render bullets twice if if was split
if ($li->_splitted) {
return;
}
// Handle list-style-image
// If list style image is requested but missing, fall back to predefined types
if ( $style->list_style_image !== "none" &&
!Image_Cache::is_broken($img = $frame->get_image_url())) {
list($x,$y) = $frame->get_position();
//For expected size and aspect, instead of box size, use image natural size scaled to DPI.
// Resample the bullet image to be consistent with 'auto' sized images
// See also Image_Frame_Reflower::get_min_max_width
// Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary.
//$w = $frame->get_width();
//$h = $frame->get_height();
list($width, $height) = dompdf_getimagesize($img);
$dpi = $this->_dompdf->get_option("dpi");
$w = ((float)rtrim($width, "px") * 72) / $dpi;
$h = ((float)rtrim($height, "px") * 72) / $dpi;
$x -= $w;
$y -= ($line_height - $font_size)/2; //Reverse hinting of list_bullet_positioner
$this->_canvas->image( $img, $x, $y, $w, $h);
} else {
$bullet_style = $style->list_style_type;
$fill = false;
switch ($bullet_style) {
default:
case "disc":
$fill = true;
case "circle":
list($x,$y) = $frame->get_position();
$r = ($font_size*(List_Bullet_Frame_Decorator::BULLET_SIZE /*-List_Bullet_Frame_Decorator::BULLET_THICKNESS*/ ))/2;
$x -= $font_size*(List_Bullet_Frame_Decorator::BULLET_SIZE/2);
$y += ($font_size*(1-List_Bullet_Frame_Decorator::BULLET_DESCENT))/2;
$o = $font_size*List_Bullet_Frame_Decorator::BULLET_THICKNESS;
$this->_canvas->circle($x, $y, $r, $style->color, $o, null, $fill);
break;
case "square":
list($x, $y) = $frame->get_position();
$w = $font_size*List_Bullet_Frame_Decorator::BULLET_SIZE;
$x -= $w;
$y += ($font_size*(1-List_Bullet_Frame_Decorator::BULLET_DESCENT-List_Bullet_Frame_Decorator::BULLET_SIZE))/2;
$this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
break;
case "decimal-leading-zero":
case "decimal":
case "lower-alpha":
case "lower-latin":
case "lower-roman":
case "lower-greek":
case "upper-alpha":
case "upper-latin":
case "upper-roman":
case "1": // HTML 4.0 compatibility
case "a":
case "i":
case "A":
case "I":
$pad = null;
if ( $bullet_style === "decimal-leading-zero" ) {
$pad = strlen($li->get_parent()->get_node()->getAttribute("dompdf-children-count"));
}
$node = $frame->get_node();
if ( !$node->hasAttribute("dompdf-counter") ) {
return;
}
$index = $node->getAttribute("dompdf-counter");
$text = $this->make_counter($index, $bullet_style, $pad);
if ( trim($text) == "" ) {
return;
}
$spacing = 0;
$font_family = $style->font_family;
$line = $li->get_containing_line();
list($x, $y) = array($frame->get_position("x"), $line->y);
$x -= Font_Metrics::get_text_width($text, $font_family, $font_size, $spacing);
// Take line-height into account
$line_height = $style->line_height;
$y += ($line_height - $font_size) / 4; // FIXME I thought it should be 2, but 4 gives better results
$this->_canvas->text($x, $y, $text,
$font_family, $font_size,
$style->color, $spacing);
case "none":
break;
}
}
}
function render(Frame $frame)
{
$style = $frame->get_style();
$font_size = $style->get_font_size();
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
$this->_set_opacity($frame->get_opacity($style->opacity));
if ($style->list_style_image !== "none" && !Image_Cache::is_broken($img = $frame->get_image_url())) {
list($x, $y) = $frame->get_position();
list($width, $height) = dompdf_getimagesize($img);
$w = (double) rtrim($width, "px") * 72 / DOMPDF_DPI;
$h = (double) rtrim($height, "px") * 72 / DOMPDF_DPI;
$x -= $w;
$y -= ($line_height - $font_size) / 2;
$this->_canvas->image($img, $x, $y, $w, $h);
} else {
$bullet_style = $style->list_style_type;
$fill = false;
switch ($bullet_style) {
default:
case "disc":
$fill = true;
case "circle":
list($x, $y) = $frame->get_position();
$r = $font_size * List_Bullet_Frame_Decorator::BULLET_SIZE / 2;
$x -= $font_size * (List_Bullet_Frame_Decorator::BULLET_SIZE / 2);
$y += $font_size * (1 - List_Bullet_Frame_Decorator::BULLET_DESCENT) / 2;
$o = $font_size * List_Bullet_Frame_Decorator::BULLET_THICKNESS;
$this->_canvas->circle($x, $y, $r, $style->color, $o, null, $fill);
break;
case "square":
list($x, $y) = $frame->get_position();
$w = $font_size * List_Bullet_Frame_Decorator::BULLET_SIZE;
$x -= $w;
$y += $font_size * (1 - List_Bullet_Frame_Decorator::BULLET_DESCENT - List_Bullet_Frame_Decorator::BULLET_SIZE) / 2;
$this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
break;
case "decimal-leading-zero":
case "decimal":
case "lower-alpha":
case "lower-latin":
case "lower-roman":
case "lower-greek":
case "upper-alpha":
case "upper-latin":
case "upper-roman":
case "1":
case "a":
case "i":
case "A":
case "I":
$li = $frame->get_parent();
$pad = null;
if ($bullet_style === "decimal-leading-zero") {
$pad = strlen($li->get_parent()->get_node()->getAttribute("dompdf-children-count"));
}
$index = $frame->get_node()->getAttribute("dompdf-counter");
$text = $this->make_counter($index, $bullet_style, $pad);
if (trim($text) == "") {
return;
}
$spacing = 0;
$font_family = $style->font_family;
$line = $li->get_containing_line();
list($x, $y) = array($frame->get_position("x"), $line->y);
$x -= Font_Metrics::get_text_width($text, $font_family, $font_size, $spacing);
$line_height = $style->line_height;
$y += ($line_height - $font_size) / 4;
$this->_canvas->text($x, $y, $text, $font_family, $font_size, $style->color, $spacing);
case "none":
break;
}
}
}
function render(Frame $frame)
{
$text = $frame->get_text();
if (trim($text) === "") {
return;
}
$style = $frame->get_style();
list($x, $y) = $frame->get_position();
$cb = $frame->get_containing_block();
if (($ml = $style->margin_left) === "auto" || $ml === "none") {
$ml = 0;
}
if (($pl = $style->padding_left) === "auto" || $pl === "none") {
$pl = 0;
}
if (($bl = $style->border_left_width) === "auto" || $bl === "none") {
$bl = 0;
}
$x += $style->length_in_pt(array($ml, $pl, $bl), $cb["w"]);
$font = $style->font_family;
$size = $frame_font_size = $style->font_size;
$height = $style->height;
$word_spacing = $frame->get_text_spacing() + $style->length_in_pt($style->word_spacing);
$char_spacing = $style->length_in_pt($style->letter_spacing);
$width = $style->width;
$this->_canvas->text($x, $y, $text, $font, $size, $style->color, $word_spacing, $char_spacing);
$line = $frame->get_containing_line();
if (false && $line->tallest_frame) {
$base_frame = $line->tallest_frame;
$style = $base_frame->get_style();
$size = $style->font_size;
$height = $line->h * ($size / $style->line_height);
}
if (method_exists($this->_canvas, "get_cpdf")) {
$cpdf = $this->_canvas->get_cpdf();
$fontBBox = $cpdf->fonts[$style->font_family]['FontBBox'];
$base = $fontBBox[3] * $size / 1000 * 0.9;
$descent = $fontBBox[1] * $size / 1000;
} else {
$base = $size * 1.08;
$descent = $size - $height;
}
$p = $frame;
$stack = array();
while ($p = $p->get_parent()) {
$stack[] = $p;
}
while (isset($stack[0])) {
$f = array_pop($stack);
if (($text_deco = $f->get_style()->text_decoration) === "none") {
continue;
}
$deco_y = $y;
$color = $f->get_style()->color;
switch ($text_deco) {
default:
continue;
case "underline":
$deco_y += $base - $descent + $size * (self::UNDERLINE_OFFSET - self::DECO_THICKNESS / 2);
break;
case "overline":
$deco_y += $size * (self::OVERLINE_OFFSET + self::DECO_THICKNESS / 2);
break;
case "line-through":
$deco_y += $base * 0.7 + $size * self::LINETHROUGH_OFFSET;
break;
}
$dx = 0;
$x1 = $x - self::DECO_EXTENSION;
$x2 = $x + $width + $dx + self::DECO_EXTENSION;
$this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $size * self::DECO_THICKNESS);
}
if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
$text_width = Font_Metrics::get_text_width($text, $font, $frame_font_size);
$this->_debug_layout(array($x, $y, $text_width + ($line->wc - 1) * $word_spacing, $frame_font_size), "orange", array(0.5, 0.5));
}
}
