function render(Frame $frame)
{
$style = $frame->get_style();
$bullet_style = $style->list_style_type;
$bullet_size = List_Bullet_Frame_Decorator::BULLET_SIZE;
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
$fill = false;
switch ($bullet_style) {
default:
case "disc":
$fill = true;
case "circle":
if (!$fill) {
$fill = false;
}
list($x, $y) = $frame->get_position();
$x += $bullet_size / 2;
$y += $line_height / 2 + $bullet_size / 4;
$r = $bullet_size / 4;
$this->_canvas->circle($x, $y, $r, $style->color, null, null, $fill);
break;
case "square":
list($x, $y) = $frame->get_position();
$w = $bullet_size / 2;
$x += $bullet_size / 2 - $w / 2;
$y += $line_height / 2;
$this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
break;
}
}
function render(Frame $frame)
{
$style = $frame->get_style();
$font_size = $style->get_font_size();
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
// Handle list-style-image
// If list style image is requested but missing, fall back to predefined types
if ($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, $height) = getimagesize($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 "none":
break;
}
}
}
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);
}
}
protected function _check_new_page()
{
$y = $this->_frame->get_position("y");
$h = $style->length_in_pt($style->height);
// Check if we need to move to a new page
if ($y + $h >= $this->_frame->get_root()->get_page_height()) {
return true;
}
}
function render(Frame $frame)
{
$style = $frame->get_style();
$line_height = $style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
// Handle list-style-image
if ($style->list_style_image != "none") {
list($x, $y) = $frame->get_position();
$w = $frame->get_width();
$h = $frame->get_height();
$x += $w / 2;
$y += $line_height / 2 - $h / 2;
$this->_canvas->image($frame->get_image_url(), $frame->get_image_ext(), $x, $y, $w, $h);
} else {
$bullet_style = $style->list_style_type;
$bullet_size = List_Bullet_Frame_Decorator::BULLET_SIZE;
$fill = false;
switch ($bullet_style) {
default:
case "disc":
$fill = true;
case "circle":
if (!$fill) {
$fill = false;
}
list($x, $y) = $frame->get_position();
$x += $bullet_size / 2 + List_Bullet_Frame_Decorator::BULLET_PADDING;
$y += $line_height - $bullet_size;
$r = $bullet_size / 2;
$this->_canvas->circle($x, $y, $r, $style->color, 0.2, null, $fill);
break;
case "square":
list($x, $y) = $frame->get_position();
$w = $bullet_size;
$x += List_Bullet_Frame_Decorator::BULLET_PADDING;
$y += $line_height - $w - List_Bullet_Frame_Decorator::BULLET_PADDING;
$this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
break;
}
}
}
/**
* Check if $frame will fit on the page. If the frame does not fit,
* the frame tree is modified so that a page break occurs in the
* correct location.
*
* @param Frame $frame the frame to check
* @return Frame the frame following the page break
*/
function check_page_break(Frame $frame)
{
// Do not split if we have already or if the frame was already
// pushed to the next page (prevents infinite loops)
if ($this->_page_full || $frame->_already_pushed) {
return false;
}
// If the frame is absolute of fixed it shouldn't break
$p = $frame;
do {
if ($p->is_absolute()) {
return false;
}
} while ($p = $p->get_parent());
$margin_height = $frame->get_margin_height();
// FIXME If the row is taller than the page and
// if it the first of the page, we don't break
if ($frame->get_style()->display === "table-row" && !$frame->get_prev_sibling() && $margin_height > $this->get_margin_height()) {
return false;
}
// Determine the frame's maximum y value
$max_y = $frame->get_position("y") + $margin_height;
// If a split is to occur here, then the bottom margins & paddings of all
// parents of $frame must fit on the page as well:
$p = $frame->get_parent();
while ($p) {
$style = $p->get_style();
$max_y += $style->length_in_pt(array($style->margin_bottom, $style->padding_bottom, $style->border_bottom_width));
$p = $p->get_parent();
}
// Check if $frame flows off the page
if ($max_y <= $this->_bottom_page_margin) {
// no: do nothing
return false;
}
dompdf_debug("page-break", "check_page_break");
dompdf_debug("page-break", "in_table: " . $this->_in_table);
// yes: determine page break location
$iter = $frame;
$flg = false;
$in_table = $this->_in_table;
dompdf_debug("page-break", "Starting search");
while ($iter) {
// echo "\nbacktrack: " .$iter->get_node()->nodeName ." ".spl_object_hash($iter->get_node()). "";
if ($iter === $this) {
dompdf_debug("page-break", "reached root.");
// We've reached the root in our search. Just split at $frame.
break;
}
if ($this->_page_break_allowed($iter)) {
dompdf_debug("page-break", "break allowed, splitting.");
$iter->split(null, true);
$this->_page_full = true;
$this->_in_table = $in_table;
$frame->_already_pushed = true;
return true;
}
if (!$flg && ($next = $iter->get_last_child())) {
dompdf_debug("page-break", "following last child.");
if ($next->is_table()) {
$this->_in_table++;
}
$iter = $next;
continue;
}
if ($next = $iter->get_prev_sibling()) {
dompdf_debug("page-break", "following prev sibling.");
if ($next->is_table() && !$iter->is_table()) {
$this->_in_table++;
} else {
if (!$next->is_table() && $iter->is_table()) {
$this->_in_table--;
}
}
$iter = $next;
$flg = false;
continue;
}
if ($next = $iter->get_parent()) {
dompdf_debug("page-break", "following parent.");
if ($iter->is_table()) {
$this->_in_table--;
}
$iter = $next;
$flg = true;
continue;
}
break;
}
$this->_in_table = $in_table;
// No valid page break found. Just break at $frame.
dompdf_debug("page-break", "no valid break found, just splitting.");
// If we are in a table, backtrack to the nearest top-level table row
if ($this->_in_table) {
$num_tables = $this->_in_table - 1;
$iter = $frame;
while ($iter && $num_tables && $iter->get_style()->display !== "table") {
$iter = $iter->get_parent();
$num_tables--;
}
$iter = $frame;
while ($iter && $iter->get_style()->display !== "table-row") {
$iter = $iter->get_parent();
}
}
$frame->split(null, true);
$this->_page_full = true;
$frame->_already_pushed = true;
return true;
}
function get_position($i = null)
{
return $this->_frame->get_position($i);
}
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));
}
}
/**
* Check if $frame will fit on the page. If the frame does not fit,
* the frame tree is modified so that a page break occurs in the
* correct location.
*
* @param Frame $frame the frame to check
* @return Frame the frame following the page break
*/
function check_page_break(Frame $frame)
{
// Do not split if we have already
if ($this->_page_full) {
return false;
}
// Determine the frame's maximum y value
$max_y = $frame->get_position("y") + $frame->get_margin_height();
// If a split is to occur here, then the bottom margins & paddings of all
// parents of $frame must fit on the page as well:
$p = $frame->get_parent();
while ($p) {
$style = $p->get_style();
$max_y += $style->length_in_pt(array($style->margin_bottom, $style->padding_bottom, $style->border_bottom_width));
$p = $p->get_parent();
}
// Check if $frame flows off the page
if ($max_y <= $this->_bottom_page_margin) {
// no: do nothing (?)
return false;
}
// echo "check_page_break\n";
// yes: determine page break location
$iter = $frame;
$flg = false;
$in_table = $this->_in_table;
// echo "Starting search\n";
while ($iter) {
// echo "\nbacktrack: " .$iter->get_node()->nodeName ." ".(string)$iter->get_node(). "\n";
if ($iter === $this) {
// echo "reached root.\n";
// We've reached the root in our search. Just split at $frame.
break;
}
if ($this->_page_break_allowed($iter)) {
// echo "break allowed, splitting.\n";
$iter->split();
$this->_page_full = true;
$this->_in_table = $in_table;
return true;
}
if (!$flg && ($next = $iter->get_last_child())) {
// echo "following last child.\n";
if (in_array($next->get_style()->display, Style::$TABLE_TYPES)) {
$this->_in_table++;
}
$iter = $next;
continue;
}
if ($next = $iter->get_prev_sibling()) {
// echo "following prev sibling.\n";
if (in_array($next->get_style()->display, Style::$TABLE_TYPES) && !in_array($iter->get_style()->display, Style::$TABLE_TYPES)) {
$this->_in_table++;
} else {
if (!in_array($next->get_style()->display, Style::$TABLE_TYPES) && in_array($iter->get_style()->display, Style::$TABLE_TYPES)) {
$this->_in_table--;
}
}
$iter = $next;
$flg = false;
continue;
}
if ($next = $iter->get_parent()) {
// echo "following parent.\n";
if (in_array($iter->get_style()->display, Style::$TABLE_TYPES)) {
$this->_in_table--;
}
$iter = $next;
$flg = true;
continue;
}
break;
}
$this->_in_table = $in_table;
// No valid page break found. Just break at $frame.
// echo "no valid break found, just splitting.\n";
// If we are in a table, backtrack to the nearest table row
if ($this->_in_table) {
$tr = $frame;
while ($tr && $tr->get_style()->display != "table-row") {
$tr = $tr->get_parent();
}
$tr->split();
$this->_page_full = true;
return true;
}
$frame->split();
$this->_page_full = true;
return true;
}
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 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 check_page_break(Frame $frame)
{
if ($this->_page_full || $frame->_already_pushed) {
return false;
}
$p = $frame;
do {
if ($p->is_absolute()) {
return false;
}
} while ($p = $p->get_parent());
$margin_height = $frame->get_margin_height();
if ($frame->get_style()->display === "table-row" && !$frame->get_prev_sibling() && $margin_height > $this->get_margin_height()) {
return false;
}
$max_y = $frame->get_position("y") + $margin_height;
$p = $frame->get_parent();
while ($p) {
$style = $p->get_style();
$max_y += $style->length_in_pt(array($style->margin_bottom, $style->padding_bottom, $style->border_bottom_width));
$p = $p->get_parent();
}
if ($max_y <= $this->_bottom_page_margin) {
return false;
}
dompdf_debug("page-break", "check_page_break");
dompdf_debug("page-break", "in_table: " . $this->_in_table);
$iter = $frame;
$flg = false;
$in_table = $this->_in_table;
dompdf_debug("page-break", "Starting search");
while ($iter) {
if ($iter === $this) {
dompdf_debug("page-break", "reached root.");
break;
}
if ($this->_page_break_allowed($iter)) {
dompdf_debug("page-break", "break allowed, splitting.");
$iter->split(null, true);
$this->_page_full = true;
$this->_in_table = $in_table;
$frame->_already_pushed = true;
return true;
}
if (!$flg && ($next = $iter->get_last_child())) {
dompdf_debug("page-break", "following last child.");
if ($next->is_table()) {
$this->_in_table++;
}
$iter = $next;
continue;
}
if ($next = $iter->get_prev_sibling()) {
dompdf_debug("page-break", "following prev sibling.");
if ($next->is_table() && !$iter->is_table()) {
$this->_in_table++;
} else {
if (!$next->is_table() && $iter->is_table()) {
$this->_in_table--;
}
}
$iter = $next;
$flg = false;
continue;
}
if ($next = $iter->get_parent()) {
dompdf_debug("page-break", "following parent.");
if ($iter->is_table()) {
$this->_in_table--;
}
$iter = $next;
$flg = true;
continue;
}
break;
}
$this->_in_table = $in_table;
dompdf_debug("page-break", "no valid break found, just splitting.");
if ($this->_in_table) {
$num_tables = $this->_in_table - 1;
$iter = $frame;
while ($iter && $num_tables && $iter->get_style()->display !== "table") {
$iter = $iter->get_parent();
$num_tables--;
}
$iter = $frame;
while ($iter && $iter->get_style()->display !== "table-row") {
$iter = $iter->get_parent();
}
}
$frame->split(null, true);
$this->_page_full = true;
$frame->_already_pushed = true;
return true;
}
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));
}
}
