function render(Frame $frame)
{
$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"]);
$text = $frame->get_text();
$font = $style->font_family;
$size = $style->font_size;
$height = $style->height;
$spacing = $frame->get_text_spacing() + $style->word_spacing;
if (preg_replace("/[\\s]+/", "", $text) == "") {
return;
}
$this->_canvas->text($x, $y, $text, $font, $size, $style->color, $spacing);
// 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[] = $p;
}
while (count($stack) > 0) {
$f = array_pop($stack);
$deco_y = $y;
if (($text_deco = $f->get_style()->text_decoration) === "none") {
continue;
}
$color = $f->get_style()->color;
switch ($text_deco) {
default:
continue;
case "underline":
$deco_y += $height * (1 + self::UNDERLINE_OFFSET);
break;
case "overline":
$deco_y += $height * self::OVERLINE_OFFSET;
break;
case "line-through":
$deco_y -= $height * (0.25 + self::LINETHROUGH_OFFSET);
break;
}
$dx = 0;
$x1 = $x - self::DECO_EXTENSION;
$x2 = $x + $style->width + $dx + self::DECO_EXTENSION;
$this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, 0.5);
}
}
function add_frame_to_line(Frame $frame)
{
// Handle inline frames (which are effectively wrappers)
if ($frame instanceof Inline_Frame_Decorator) {
// Handle line breaks
if ($frame->get_node()->nodeName == "br") {
$this->maximize_line_height($frame->get_style()->length_in_pt($frame->get_style()->line_height));
$this->add_line();
return;
}
// Add each child of the inline frame to the line individually
foreach ($frame->get_children() as $child) {
$this->add_frame_to_line($child);
}
return;
}
// Trim leading text if this is an empty line. Kinda a hack to put it here,
// but what can you do...
if ($this->_lines[$this->_cl]["w"] == 0 && $frame->get_node()->nodeName == "#text" && ($frame->get_style()->white_space != "pre" || $frame->get_style()->white_space != "pre-wrap")) {
$frame->set_text(ltrim($frame->get_text()));
$frame->recalculate_width();
}
$w = $frame->get_margin_width();
if ($w == 0) {
return;
}
// Debugging code:
/*
pre_r("\nAdding frame to line:");
// pre_r("Me: " . $this->get_node()->nodeName . " (" . (string)$this->get_node() . ")");
// pre_r("Node: " . $frame->get_node()->nodeName . " (" . (string)$frame->get_node() . ")");
if ( $frame->get_node()->nodeName == "#text" )
pre_r($frame->get_node()->nodeValue);
pre_r("Line width: " . $this->_lines[$this->_cl]["w"]);
pre_r("Frame: " . get_class($frame));
pre_r("Frame width: " . $w);
pre_r("Frame height: " . $frame->get_margin_height());
pre_r("Containing block width: " . $this->get_containing_block("w"));
*/
// End debugging
if ($this->_lines[$this->_cl]["w"] + $w > $this->get_containing_block("w")) {
$this->add_line();
}
$frame->position();
$this->_lines[$this->_cl]["frames"][] = $frame;
if ($frame->get_node()->nodeName == "#text") {
$this->_lines[$this->_cl]["wc"] += count(preg_split("/\\s+/", $frame->get_text()));
}
$this->_lines[$this->_cl]["w"] += $w;
$this->_lines[$this->_cl]["h"] = max($this->_lines[$this->_cl]["h"], $frame->get_margin_height());
}
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));
}
}
/**
* @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 render(Frame $frame)
{
$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"]);
$text = $frame->get_text();
$font = $style->font_family;
$size = $style->font_size;
$height = $style->height;
$spacing = $frame->get_text_spacing() + $style->word_spacing;
// if ( preg_replace("/[\s]+/", "", $text) == "" )
// return;
$this->_canvas->text($x, $y, $text, $font, $size, $style->color, $spacing);
if (method_exists($this->_canvas, "get_cpdf")) {
$base = $this->_canvas->get_cpdf()->fonts[$this->_canvas->get_cpdf()->currentFont]['FontBBox'][3] * $size / 1000;
$descent = $this->_canvas->get_cpdf()->fonts[$this->_canvas->get_cpdf()->currentFont]['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.
$base = $size;
$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[] = $p;
}
while (count($stack) > 0) {
$f = array_pop($stack);
$deco_y = $y;
if (($text_deco = $f->get_style()->text_decoration) === "none") {
continue;
}
$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 + $style->width + $dx + self::DECO_EXTENSION;
$this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $size * self::DECO_THICKNESS);
}
}
function add_frame_to_line(Frame $frame)
{
// Handle inline frames (which are effectively wrappers)
if ($frame instanceof Inline_Frame_Decorator) {
// Add each child of the inline frame to the line individually
foreach ($frame->get_children() as $child) {
$this->add_frame_to_line($child);
}
return;
}
if ($frame->get_margin_width() == 0) {
return;
}
$w = $frame->get_margin_width();
// Debugging code:
// pre_r("\nAdding frame to line:");
// pre_r("Me: " . $this->get_node()->nodeName . " (" . (string)$this->get_node() . ")");
// pre_r("Node: " . $frame->get_node()->nodeName . " (" . (string)$frame->get_node() . ")");
// if ( $frame->get_node()->nodeName == "#text" )
// pre_r($frame->get_node()->nodeValue);
// pre_r("Line width: " . $this->_lines[$this->_cl]["w"]);
// pre_r("Frame width: " . $w);
// pre_r("Frame height: " . $frame->get_margin_height());
// pre_r("Containing block width: " . $this->get_containing_block("w"));
// End debugging
if ($this->_lines[$this->_cl]["w"] + $w >= $this->get_containing_block("w")) {
$this->add_line();
}
$frame->position();
$this->_lines[$this->_cl]["frames"][] = $frame;
if ($frame->get_node()->nodeName == "#text") {
$this->_lines[$this->_cl]["wc"] += count(preg_split("/\\s+/", $frame->get_text()));
}
$this->_lines[$this->_cl]["w"] += $w;
$this->_lines[$this->_cl]["h"] = max($this->_lines[$this->_cl]["h"], $frame->get_margin_height());
}
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));
}
}
