function apply_page_style(Frame $frame, $page_number) { $style = $frame->get_style(); $page_styles = $style->get_stylesheet()->get_page_styles(); // http://www.w3.org/TR/CSS21/page.html#page-selectors if (count($page_styles) > 1) { $odd = $page_number % 2 == 1; $first = $page_number == 1; $style = clone $page_styles["base"]; // FIXME RTL if ($odd && isset($page_styles[":right"])) { $style->merge($page_styles[":right"]); } if ($odd && isset($page_styles[":odd"])) { $style->merge($page_styles[":odd"]); } // FIXME RTL if (!$odd && isset($page_styles[":left"])) { $style->merge($page_styles[":left"]); } if (!$odd && isset($page_styles[":even"])) { $style->merge($page_styles[":even"]); } if ($first && isset($page_styles[":first"])) { $style->merge($page_styles[":first"]); } $frame->set_style($style); } }
/** * Class constructor * * @param Frame $frame the bullet frame to decorate * @param Dompdf $dompdf the document's dompdf object */ function __construct(Frame $frame, Dompdf $dompdf) { $style = $frame->get_style(); $url = $style->list_style_image; $frame->get_node()->setAttribute("src", $url); $this->_img = new Image($frame, $dompdf); parent::__construct($this->_img, $dompdf); list($width, $height) = Helpers::dompdf_getimagesize($this->_img->get_image_url()); // Resample the bullet image to be consistent with 'auto' sized images // See also Image::get_min_max_width // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary. $dpi = $this->_dompdf->get_option("dpi"); $this->_width = (double) rtrim($width, "px") * 72 / $dpi; $this->_height = (double) rtrim($height, "px") * 72 / $dpi; //If an image is taller as the containing block/box, the box should be extended. //Neighbour elements are overwriting the overlapping image areas. //Todo: Where can the box size be extended? //Code below has no effect. //See block_frame_reflower _calculate_restricted_height //See generated_frame_reflower, Dompdf:render() "list-item", "-dompdf-list-bullet"S. //Leave for now //if ($style->min_height < $this->_height ) { // $style->min_height = $this->_height; //} //$style->height = "auto"; }
function render(Frame $frame) { $style = $frame->get_style(); $this->_set_opacity($frame->get_opacity($style->opacity)); $this->_render_border($frame); $this->_render_outline($frame); if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutBlocks")) { $this->_debug_layout($frame->get_border_box(), "red"); if ($this->_dompdf->get_option("debugLayoutPaddingBox")) { $this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5)); } } if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutLines") && $frame->get_decorator()) { foreach ($frame->get_decorator()->get_line_boxes() as $line) { $frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange"); } } }
function render(Frame $frame) { $style = $frame->get_style(); $node = $frame->get_node(); list($x, $y, $w, $h) = $frame->get_border_box(); $this->_set_opacity($frame->get_opacity($style->opacity)); if ($node->nodeName === "body") { $h = $frame->get_containing_block("h") - $style->length_in_pt(array($style->margin_top, $style->border_top_width, $style->border_bottom_width, $style->margin_bottom), $style->width); } // Handle anchors & links if ($node->nodeName === "a" && ($href = $node->getAttribute("href"))) { $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href); $this->_canvas->add_link($href, $x, $y, $w, $h); } // Draw our background, border and content list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h); if ($tl + $tr + $br + $bl > 0) { $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl); } if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg); } if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x, $y, $w, $h, $style); } if ($tl + $tr + $br + $bl > 0) { $this->_canvas->clipping_end(); } $border_box = array($x, $y, $w, $h); $this->_render_border($frame, $border_box); $this->_render_outline($frame, $border_box); if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) { $this->_debug_layout($frame->get_border_box(), "red"); if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) { $this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5)); } } if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines() && $frame->get_decorator()) { foreach ($frame->get_decorator()->get_line_boxes() as $line) { $frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange"); } } }
function render(Frame $frame) { $style = $frame->get_style(); if (!$frame->get_first_child()) { return; } // No children, no service // Draw the left border if applicable $bp = $style->get_border_properties(); $widths = array($style->length_in_pt($bp["top"]["width"]), $style->length_in_pt($bp["right"]["width"]), $style->length_in_pt($bp["bottom"]["width"]), $style->length_in_pt($bp["left"]["width"])); // Draw the background & border behind each child. To do this we need // to figure out just how much space each child takes: list($x, $y) = $frame->get_first_child()->get_position(); $w = null; $h = 0; // $x += $widths[3]; // $y += $widths[0]; $this->_set_opacity($frame->get_opacity($style->opacity)); $first_row = true; foreach ($frame->get_children() as $child) { list($child_x, $child_y, $child_w, $child_h) = $child->get_padding_box(); if (!is_null($w) && $child_x < $x + $w) { //This branch seems to be supposed to being called on the first part //of an inline html element, and the part after the if clause for the //parts after a line break. //But because $w initially mostly is 0, and gets updated only on the next //round, this seem to be never executed and the common close always. // The next child is on another line. Draw the background & // borders on this line. // Background: if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg); } if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x, $y, $w, $h, $style); } // If this is the first row, draw the left border if ($first_row) { if ($bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $bp["left"]["width"] > 0) { $method = "_border_" . $bp["left"]["style"]; $this->{$method}($x, $y, $h + $widths[0] + $widths[2], $bp["left"]["color"], $widths, "left"); } $first_row = false; } // Draw the top & bottom borders if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $bp["top"]["width"] > 0) { $method = "_border_" . $bp["top"]["style"]; $this->{$method}($x, $y, $w + $widths[1] + $widths[3], $bp["top"]["color"], $widths, "top"); } if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $bp["bottom"]["width"] > 0) { $method = "_border_" . $bp["bottom"]["style"]; $this->{$method}($x, $y + $h + $widths[0] + $widths[2], $w + $widths[1] + $widths[3], $bp["bottom"]["color"], $widths, "bottom"); } // Handle anchors & links $link_node = null; if ($frame->get_node()->nodeName === "a") { $link_node = $frame->get_node(); } else { if ($frame->get_parent()->get_node()->nodeName === "a") { $link_node = $frame->get_parent()->get_node(); } } if ($link_node && ($href = $link_node->getAttribute("href"))) { $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href); $this->_canvas->add_link($href, $x, $y, $w, $h); } $x = $child_x; $y = $child_y; $w = $child_w; $h = $child_h; continue; } if (is_null($w)) { $w = $child_w; } else { $w += $child_w; } $h = max($h, $child_h); if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutInline")) { $this->_debug_layout($child->get_border_box(), "blue"); if ($this->_dompdf->get_option("debugLayoutPaddingBox")) { $this->_debug_layout($child->get_padding_box(), "blue", array(0.5, 0.5)); } } } // Handle the last child if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x + $widths[3], $y + $widths[0], $w, $h, $bg); } //On continuation lines (after line break) of inline elements, the style got copied. //But a non repeatable background image should not be repeated on the next line. //But removing the background image above has never an effect, and removing it below //removes it always, even on the initial line. //Need to handle it elsewhere, e.g. on certain ...clone()... usages. // Repeat not given: default is Style::__construct // ... && (!($repeat = $style->background_repeat) || $repeat === "repeat" ... //different position? $this->_background_image($url, $x, $y, $w, $h, $style); if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x + $widths[3], $y + $widths[0], $w, $h, $style); } // Add the border widths $w += $widths[1] + $widths[3]; $h += $widths[0] + $widths[2]; // make sure the border and background start inside the left margin $left_margin = $style->length_in_pt($style->margin_left); $x += $left_margin; // If this is the first row, draw the left border too if ($first_row && $bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $widths[3] > 0) { $method = "_border_" . $bp["left"]["style"]; $this->{$method}($x, $y, $h, $bp["left"]["color"], $widths, "left"); } // Draw the top & bottom borders if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $widths[0] > 0) { $method = "_border_" . $bp["top"]["style"]; $this->{$method}($x, $y, $w, $bp["top"]["color"], $widths, "top"); } if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $widths[2] > 0) { $method = "_border_" . $bp["bottom"]["style"]; $this->{$method}($x, $y + $h, $w, $bp["bottom"]["color"], $widths, "bottom"); } // Helpers::var_dump(get_class($frame->get_next_sibling())); // $last_row = get_class($frame->get_next_sibling()) !== 'Inline'; // Draw the right border if this is the last row if ($bp["right"]["style"] !== "none" && $bp["right"]["color"] !== "transparent" && $widths[1] > 0) { $method = "_border_" . $bp["right"]["style"]; $this->{$method}($x + $w, $y, $h, $bp["right"]["color"], $widths, "right"); } // Only two levels of links frames $link_node = null; if ($frame->get_node()->nodeName === "a") { $link_node = $frame->get_node(); if (($name = $link_node->getAttribute("name")) || ($name = $link_node->getAttribute("id"))) { $this->_canvas->add_named_dest($name); } } if ($frame->get_parent() && $frame->get_parent()->get_node()->nodeName === "a") { $link_node = $frame->get_parent()->get_node(); } // Handle anchors & links if ($link_node) { if ($href = $link_node->getAttribute("href")) { $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href); $this->_canvas->add_link($href, $x, $y, $w, $h); } } }
/** * @param Frame $child * @param float $cb_x * @param float $cb_w */ function process_float(Frame $child, $cb_x, $cb_w) { $child_style = $child->get_style(); $root = $this->_frame->get_root(); // Handle "float" if ($child_style->float !== "none") { $root->add_floating_frame($child); // Remove next frame's beginning whitespace $next = $child->get_next_sibling(); if ($next && $next instanceof TextFrameDecorator) { $next->set_text(ltrim($next->get_text())); } $line_box = $this->_frame->get_current_line_box(); list($old_x, $old_y) = $child->get_position(); $float_x = $cb_x; $float_y = $old_y; $float_w = $child->get_margin_width(); if ($child_style->clear === "none") { switch ($child_style->float) { case "left": $float_x += $line_box->left; break; case "right": $float_x += $cb_w - $line_box->right - $float_w; break; } } else { if ($child_style->float === "right") { $float_x += $cb_w - $float_w; } } if ($cb_w < $float_x + $float_w - $old_x) { // TODO handle when floating elements don't fit } $line_box->get_float_offsets(); if ($child->_float_next_line) { $float_y += $line_box->h; } $child->set_position($float_x, $float_y); $child->move($float_x - $old_x, $float_y - $old_y, true); } }
function render(Frame $frame) { // Render background & borders $style = $frame->get_style(); $cb = $frame->get_containing_block(); list($x, $y, $w, $h) = $frame->get_border_box(); $this->_set_opacity($frame->get_opacity($style->opacity)); list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h); $has_border_radius = $tl + $tr + $br + $bl > 0; if ($has_border_radius) { $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl); } if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg); } if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x, $y, $w, $h, $style); } if ($has_border_radius) { $this->_canvas->clipping_end(); } $this->_render_border($frame); $this->_render_outline($frame); list($x, $y) = $frame->get_padding_box(); $x += $style->length_in_pt($style->padding_left, $cb["w"]); $y += $style->length_in_pt($style->padding_top, $cb["h"]); $w = $style->length_in_pt($style->width, $cb["w"]); $h = $style->length_in_pt($style->height, $cb["h"]); if ($has_border_radius) { list($wt, $wr, $wb, $wl) = array($style->border_top_width, $style->border_right_width, $style->border_bottom_width, $style->border_left_width); // we have to get the "inner" radius if ($tl > 0) { $tl -= ($wt + $wl) / 2; } if ($tr > 0) { $tr -= ($wt + $wr) / 2; } if ($br > 0) { $br -= ($wb + $wr) / 2; } if ($bl > 0) { $bl -= ($wb + $wl) / 2; } $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl); } $src = $frame->get_image_url(); $alt = null; if (Cache::is_broken($src) && ($alt = $frame->get_node()->getAttribute("alt"))) { $font = $style->font_family; $size = $style->font_size; $spacing = $style->word_spacing; $this->_canvas->text($x, $y, $alt, $font, $size, $style->color, $spacing); } else { $this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution); } if ($has_border_radius) { $this->_canvas->clipping_end(); } if ($msg = $frame->get_image_msg()) { $parts = preg_split("/\\s*\n\\s*/", $msg); $height = 10; $_y = $alt ? $y + $h - count($parts) * $height : $y; foreach ($parts as $i => $_part) { $this->_canvas->text($x, $_y + $i * $height, $_part, "times", $height * 0.8, array(0.5, 0.5, 0.5)); } } if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) { $this->_debug_layout($frame->get_border_box(), "blue"); if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) { $this->_debug_layout($frame->get_padding_box(), "blue", 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)); $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 ($style->list_style_image !== "none" && !Cache::is_broken($img = $frame->get_image_url())) { list($x, $y) = $frame->get_position(); //For expected size and aspect, instead of box size, use image natural size scaled to DPI. // Resample the bullet image to be consistent with 'auto' sized images // See also Image::get_min_max_width // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary. //$w = $frame->get_width(); //$h = $frame->get_height(); list($width, $height) = Helpers::dompdf_getimagesize($img, $this->_dompdf->getHttpContext()); $dpi = $this->_dompdf->getOptions()->getDpi(); $w = (double) rtrim($width, "px") * 72 / $dpi; $h = (double) rtrim($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 * ListBulletFrameDecorator::BULLET_SIZE / 2; $x -= $font_size * (ListBulletFrameDecorator::BULLET_SIZE / 2); $y += $font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT) / 2; $o = $font_size * ListBulletFrameDecorator::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 * ListBulletFrameDecorator::BULLET_SIZE; $x -= $w; $y += $font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT - ListBulletFrameDecorator::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": $pad = null; if ($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 -= $this->_dompdf->getFontMetrics()->getTextWidth($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; } } }
/** * split this frame at $child. * The current frame is cloned and $child and all children following * $child are added to the clone. The clone is then passed to the * current frame's parent->split() method. * * @param Frame $child * @param boolean $force_pagebreak * * @throws Exception * @return void */ function split(Frame $child = null, $force_pagebreak = false) { // decrement any counters that were incremented on the current node, unless that node is the body $style = $this->_frame->get_style(); if ($this->_frame->get_node()->nodeName !== "body" && $style->counter_increment && ($decrement = $style->counter_increment) !== "none") { $this->decrement_counters($decrement); } if (is_null($child)) { // check for counter increment on :before content (always a child of the selected element @link AbstractFrameReflower::_set_content) // this can push the current node to the next page before counter rules have bubbled up (but only if // it's been rendered, thus the position check) if (!$this->is_text_node() && $this->get_node()->hasAttribute("dompdf_before_frame_id")) { foreach ($this->_frame->get_children() as $child) { if ($this->get_node()->getAttribute("dompdf_before_frame_id") == $child->get_id() && $child->get_position('x') !== null) { $style = $child->get_style(); if ($style->counter_increment && ($decrement = $style->counter_increment) !== "none") { $this->decrement_counters($decrement); } } } } $this->get_parent()->split($this, $force_pagebreak); return; } if ($child->get_parent() !== $this) { throw new Exception("Unable to split: frame is not a child of this one."); } $node = $this->_frame->get_node(); if ($node instanceof DOMElement && $node->hasAttribute("id")) { $node->setAttribute("data-dompdf-original-id", $node->getAttribute("id")); $node->removeAttribute("id"); } $split = $this->copy($node->cloneNode()); $split->reset(); $split->get_original_style()->text_indent = 0; $split->_splitted = true; // The body's properties must be kept if ($node->nodeName !== "body") { // Style reset on the first and second parts $style = $this->_frame->get_style(); $style->margin_bottom = 0; $style->padding_bottom = 0; $style->border_bottom = 0; // second $orig_style = $split->get_original_style(); $orig_style->text_indent = 0; $orig_style->margin_top = 0; $orig_style->padding_top = 0; $orig_style->border_top = 0; $orig_style->page_break_before = "auto"; } $this->get_parent()->insert_child_after($split, $this); // Add $frame and all following siblings to the new split node $iter = $child; while ($iter) { $frame = $iter; $iter = $iter->get_next_sibling(); $frame->reset(); $split->append_child($frame); } $this->get_parent()->split($split, $force_pagebreak); // If this node resets a counter save the current value to use when rendering on the next page if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") { $vars = preg_split('/\\s+/', trim($reset), 2); $split->_counters['__' . $vars[0]] = $this->lookup_counter_frame($vars[0])->_counters[$vars[0]]; } }
/** * @param Frame $frame */ public function add_frame(Frame $frame) { $style = $frame->get_style(); $display = $style->display; $collapse = $this->_table->get_style()->border_collapse == "collapse"; // Recursively add the frames within tables, table-row-groups and table-rows if ($display === "table-row" || $display === "table" || $display === "inline-table" || in_array($display, TableFrameDecorator::$ROW_GROUPS)) { $start_row = $this->__row; foreach ($frame->get_children() as $child) { $this->add_frame($child); } if ($display === "table-row") { $this->add_row(); } $num_rows = $this->__row - $start_row - 1; $key = $frame->get_id(); // Row groups always span across the entire table $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); $this->_frames[$key]["frame"] = $frame; if ($display !== "table-row" && $collapse) { $bp = $style->get_border_properties(); // Resolve the borders for ($i = 0; $i < $num_rows + 1; $i++) { $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); } for ($j = 0; $j < $this->_num_cols; $j++) { $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); } } return; } $node = $frame->get_node(); // Determine where this cell is going $colspan = $node->getAttribute("colspan"); $rowspan = $node->getAttribute("rowspan"); if (!$colspan) { $colspan = 1; $node->setAttribute("colspan", 1); } if (!$rowspan) { $rowspan = 1; $node->setAttribute("rowspan", 1); } $key = $frame->get_id(); $bp = $style->get_border_properties(); // Add the frame to the cellmap $max_left = $max_right = 0; // Find the next available column (fix by Ciro Mondueri) $ac = $this->__col; while (isset($this->_cells[$this->__row][$ac])) { $ac++; } $this->__col = $ac; // Rows: for ($i = 0; $i < $rowspan; $i++) { $row = $this->__row + $i; $this->_frames[$key]["rows"][] = $row; for ($j = 0; $j < $colspan; $j++) { $this->_cells[$row][$this->__col + $j] = $frame; } if ($collapse) { // Resolve vertical borders $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); } } $max_top = $max_bottom = 0; // Columns: for ($j = 0; $j < $colspan; $j++) { $col = $this->__col + $j; $this->_frames[$key]["columns"][] = $col; if ($collapse) { // Resolve horizontal borders $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); } } $this->_frames[$key]["frame"] = $frame; // Handle seperated border model if (!$collapse) { list($h, $v) = $this->_table->get_style()->border_spacing; // Border spacing is effectively a margin between cells $v = $style->length_in_pt($v) / 2; $h = $style->length_in_pt($h) / 2; $style->margin = "{$v} {$h}"; // The additional 1/2 width gets added to the table proper } else { // Drop the frame's actual border $style->border_left_width = $max_left / 2; $style->border_right_width = $max_right / 2; $style->border_top_width = $max_top / 2; $style->border_bottom_width = $max_bottom / 2; $style->margin = "none"; } if (!$this->_columns_locked) { // Resolve the frame's width if ($this->_fixed_layout) { list($frame_min, $frame_max) = array(0, 1.0E-9); } else { list($frame_min, $frame_max) = $frame->get_min_max_width(); } $width = $style->width; $val = null; if (Helpers::is_percent($width)) { $var = "percent"; $val = (double) rtrim($width, "% ") / $colspan; } else { if ($width !== "auto") { $var = "absolute"; $val = $style->length_in_pt($frame_min) / $colspan; } } $min = 0; $max = 0; for ($cs = 0; $cs < $colspan; $cs++) { // Resolve the frame's width(s) with other cells $col =& $this->get_column($this->__col + $cs); // Note: $var is either 'percent' or 'absolute'. We compare the // requested percentage or absolute values with the existing widths // and adjust accordingly. if (isset($var) && $val > $col[$var]) { $col[$var] = $val; $col["auto"] = false; } $min += $col["min-width"]; $max += $col["max-width"]; } if ($frame_min > $min) { // The frame needs more space. Expand each sub-column // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = $this->is_layout_fixed() ? 1.0E-9 : ($frame_min - $min) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["min-width"] += $inc; } } if ($frame_max > $max) { // FIXME try to avoid putting this dummy value when table-layout:fixed $inc = $this->is_layout_fixed() ? 1.0E-9 : ($frame_max - $max) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["max-width"] += $inc; } } } $this->__col += $colspan; if ($this->__col > $this->_num_cols) { $this->_num_cols = $this->__col; } }
/** * @param Frame $frame */ function add_frame_to_line(Frame $frame) { if (!$frame->is_in_flow()) { return; } $style = $frame->get_style(); $frame->set_containing_line($this->_line_boxes[$this->_cl]); /* // Adds a new line after a block, only if certain conditions are met if ((($frame instanceof Inline && $frame->get_node()->nodeName !== "br") || $frame instanceof Text && trim($frame->get_text())) && ($frame->get_prev_sibling() && $frame->get_prev_sibling()->get_style()->display === "block" && $this->_line_boxes[$this->_cl]->w > 0 )) { $this->maximize_line_height( $style->length_in_pt($style->line_height), $frame ); $this->add_line(); // Add each child of the inline frame to the line individually foreach ($frame->get_children() as $child) $this->add_frame_to_line( $child ); } else*/ // Handle inline frames (which are effectively wrappers) if ($frame instanceof Inline) { // Handle line breaks if ($frame->get_node()->nodeName === "br") { $this->maximize_line_height($style->length_in_pt($style->line_height), $frame); $this->add_line(true); } return; } // Trim leading text if this is an empty line. Kinda a hack to put it here, // but what can you do... if ($this->get_current_line_box()->w == 0 && $frame->is_text_node() && !$frame->is_pre()) { $frame->set_text(ltrim($frame->get_text())); $frame->recalculate_width(); } $w = $frame->get_margin_width(); if ($w == 0) { return; } // Debugging code: /* Helpers::pre_r("\n<h3>Adding frame to line:</h3>"); // Helpers::pre_r("Me: " . $this->get_node()->nodeName . " (" . spl_object_hash($this->get_node()) . ")"); // Helpers::pre_r("Node: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")"); if ( $frame->is_text_node() ) Helpers::pre_r('"'.$frame->get_node()->nodeValue.'"'); Helpers::pre_r("Line width: " . $this->_line_boxes[$this->_cl]->w); Helpers::pre_r("Frame: " . get_class($frame)); Helpers::pre_r("Frame width: " . $w); Helpers::pre_r("Frame height: " . $frame->get_margin_height()); Helpers::pre_r("Containing block width: " . $this->get_containing_block("w")); */ // End debugging $line = $this->_line_boxes[$this->_cl]; if ($line->left + $line->w + $line->right + $w > $this->get_containing_block("w")) { $this->add_line(); } $frame->position(); $current_line = $this->_line_boxes[$this->_cl]; $current_line->add_frame($frame); if ($frame->is_text_node()) { $current_line->wc += count(preg_split("/\\s+/", trim($frame->get_text()))); } $this->increase_line_width($w); $this->maximize_line_height($frame->get_margin_height(), $frame); }
public function get_lowest_float_offset(Frame $child) { $style = $child->get_style(); $side = $style->clear; $float = $style->float; $y = 0; foreach ($this->_floating_frames as $key => $frame) { if ($side === "both" || $frame->get_style()->float === $side) { $y = max($y, $frame->get_position("y") + $frame->get_margin_height()); if ($float !== "none") { $this->remove_floating_frame($key); } } } return $y; }
/** * @param \Dompdf\FrameDecorator\Text $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) { $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, $line_thickness); } if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines()) { $text_width = $this->_dompdf->getFontMetrics()->getTextWidth($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)); } }
/** * Decorate a Frame * * @param Frame $frame The frame to decorate * @param Dompdf $dompdf The dompdf instance * @param Frame $root The frame to decorate * * @throws Exception * @return AbstractFrameDecorator * FIXME: this is admittedly a little smelly... */ static function decorate_frame(Frame $frame, Dompdf $dompdf, Frame $root = null) { if (is_null($dompdf)) { throw new Exception("The DOMPDF argument is required"); } $style = $frame->get_style(); // Floating (and more generally out-of-flow) elements are blocks // http://coding.smashingmagazine.com/2007/05/01/css-float-theory-things-you-should-know/ if (!$frame->is_in_flow() && in_array($style->display, Style::$INLINE_TYPES)) { $style->display = "block"; } $display = $style->display; switch ($display) { case "block": $positioner = "Block"; $decorator = "Block"; $reflower = "Block"; break; case "inline-block": $positioner = "Inline"; $decorator = "Block"; $reflower = "Block"; break; case "inline": $positioner = "Inline"; if ($frame->is_text_node()) { $decorator = "Text"; $reflower = "Text"; } else { $enable_css_float = $dompdf->get_option("enable_css_float"); if ($enable_css_float && $style->float !== "none") { $decorator = "Block"; $reflower = "Block"; } else { $decorator = "Inline"; $reflower = "Inline"; } } break; case "table": $positioner = "Block"; $decorator = "Table"; $reflower = "Table"; break; case "inline-table": $positioner = "Inline"; $decorator = "Table"; $reflower = "Table"; break; case "table-row-group": case "table-header-group": case "table-footer-group": $positioner = "Null"; $decorator = "TableRowGroup"; $reflower = "TableRowGroup"; break; case "table-row": $positioner = "Null"; $decorator = "TableRow"; $reflower = "TableRow"; break; case "table-cell": $positioner = "TableCell"; $decorator = "TableCell"; $reflower = "TableCell"; break; case "list-item": $positioner = "Block"; $decorator = "Block"; $reflower = "Block"; break; case "-dompdf-list-bullet": if ($style->list_style_position === "inside") { $positioner = "Inline"; } else { $positioner = "ListBullet"; } if ($style->list_style_image !== "none") { $decorator = "ListBulletImage"; } else { $decorator = "ListBullet"; } $reflower = "ListBullet"; break; case "-dompdf-image": $positioner = "Inline"; $decorator = "Image"; $reflower = "Image"; break; case "-dompdf-br": $positioner = "Inline"; $decorator = "Inline"; $reflower = "Inline"; break; default: // FIXME: should throw some sort of warning or something? // FIXME: should throw some sort of warning or something? case "none": if ($style->_dompdf_keep !== "yes") { // Remove the node and the frame $frame->get_parent()->remove_child($frame); return; } $positioner = "Null"; $decorator = "Null"; $reflower = "Null"; break; } // Handle CSS position $position = $style->position; if ($position === "absolute") { $positioner = "Absolute"; } else { if ($position === "fixed") { $positioner = "Fixed"; } } $node = $frame->get_node(); // Handle nodeName if ($node->nodeName === "img") { $style->display = "-dompdf-image"; $decorator = "Image"; $reflower = "Image"; } $positioner = "Dompdf\\Positioner\\{$positioner}"; $decorator = "Dompdf\\FrameDecorator\\{$decorator}"; $reflower = "Dompdf\\FrameReflower\\{$reflower}"; /** @var AbstractFrameDecorator $deco */ $deco = new $decorator($frame, $dompdf); $deco->set_positioner(new $positioner($deco)); $deco->set_reflower(new $reflower($deco, $dompdf->getFontMetrics())); if ($root) { $deco->set_root($root); } if ($display === "list-item") { // Insert a list-bullet frame $xml = $dompdf->get_dom(); $bullet_node = $xml->createElement("bullet"); // arbitrary choice $b_f = new Frame($bullet_node); $node = $frame->get_node(); $parent_node = $node->parentNode; if ($parent_node) { if (!$parent_node->hasAttribute("dompdf-children-count")) { $xpath = new DOMXPath($xml); $count = $xpath->query("li", $parent_node)->length; $parent_node->setAttribute("dompdf-children-count", $count); } if (is_numeric($node->getAttribute("value"))) { $index = intval($node->getAttribute("value")); } else { if (!$parent_node->hasAttribute("dompdf-counter")) { $index = $parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") : 1; } else { $index = $parent_node->getAttribute("dompdf-counter") + 1; } } $parent_node->setAttribute("dompdf-counter", $index); $bullet_node->setAttribute("dompdf-counter", $index); } $new_style = $dompdf->get_css()->create_style(); $new_style->display = "-dompdf-list-bullet"; $new_style->inherit($style); $b_f->set_style($new_style); $deco->prepend_child(Factory::decorate_frame($b_f, $dompdf, $root)); } return $deco; }
function render(Frame $frame) { $style = $frame->get_style(); if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") { return; } $this->_set_opacity($frame->get_opacity($style->opacity)); list($x, $y, $w, $h) = $frame->get_border_box(); // Draw our background, border and content if (($bg = $style->background_color) !== "transparent") { $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg); } if (($url = $style->background_image) && $url !== "none") { $this->_background_image($url, $x, $y, $w, $h, $style); } $table = Table::find_parent_table($frame); if ($table->get_style()->border_collapse !== "collapse") { $this->_render_border($frame); $this->_render_outline($frame); return; } // The collapsed case is slightly complicated... // @todo Add support for outlines here $cellmap = $table->get_cellmap(); $cells = $cellmap->get_spanned_cells($frame); $num_rows = $cellmap->get_num_rows(); $num_cols = $cellmap->get_num_cols(); // Determine the top row spanned by this cell $i = $cells["rows"][0]; $top_row = $cellmap->get_row($i); // Determine if this cell borders on the bottom of the table. If so, // then we draw its bottom border. Otherwise the next row down will // draw its top border instead. if (in_array($num_rows - 1, $cells["rows"])) { $draw_bottom = true; $bottom_row = $cellmap->get_row($num_rows - 1); } else { $draw_bottom = false; } // Draw the horizontal borders foreach ($cells["columns"] as $j) { $bp = $cellmap->get_border_properties($i, $j); $y = $top_row["y"] - $bp["top"]["width"] / 2; $col = $cellmap->get_column($j); $x = $col["x"] - $bp["left"]["width"] / 2; $w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2; if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) { $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["top"]["style"]; $this->{$method}($x, $y, $w, $bp["top"]["color"], $widths, "top", "square"); } if ($draw_bottom) { $bp = $cellmap->get_border_properties($num_rows - 1, $j); if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0) { continue; } $y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2; $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["bottom"]["style"]; $this->{$method}($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square"); } } $j = $cells["columns"][0]; $left_col = $cellmap->get_column($j); if (in_array($num_cols - 1, $cells["columns"])) { $draw_right = true; $right_col = $cellmap->get_column($num_cols - 1); } else { $draw_right = false; } // Draw the vertical borders foreach ($cells["rows"] as $i) { $bp = $cellmap->get_border_properties($i, $j); $x = $left_col["x"] - $bp["left"]["width"] / 2; $row = $cellmap->get_row($i); $y = $row["y"] - $bp["top"]["width"] / 2; $h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2; if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) { $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["left"]["style"]; $this->{$method}($x, $y, $h, $bp["left"]["color"], $widths, "left", "square"); } if ($draw_right) { $bp = $cellmap->get_border_properties($i, $num_cols - 1); if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0) { continue; } $x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2; $widths = array($bp["top"]["width"], $bp["right"]["width"], $bp["bottom"]["width"], $bp["left"]["width"]); $method = "_border_" . $bp["right"]["style"]; $this->{$method}($x, $y, $h, $bp["right"]["color"], $widths, "right", "square"); } } }
/** * Render frames recursively * * @param Frame $frame the frame to render */ function render(Frame $frame) { global $_dompdf_debug; if ($_dompdf_debug) { echo $frame; flush(); } $style = $frame->get_style(); if (in_array($style->visibility, array("hidden", "collapse"))) { return; } $display = $style->display; // Starts the CSS transformation if ($style->transform && is_array($style->transform)) { $this->_canvas->save(); list($x, $y) = $frame->get_padding_box(); $origin = $style->transform_origin; foreach ($style->transform as $transform) { list($function, $values) = $transform; if ($function === "matrix") { $function = "transform"; } $values = array_map("floatval", $values); $values[] = $x + $style->length_in_pt($origin[0], $style->width); $values[] = $y + $style->length_in_pt($origin[1], $style->height); call_user_func_array(array($this->_canvas, $function), $values); } } switch ($display) { case "block": case "list-item": case "inline-block": case "table": case "inline-table": $this->_render_frame("block", $frame); break; case "inline": if ($frame->is_text_node()) { $this->_render_frame("text", $frame); } else { $this->_render_frame("inline", $frame); } break; case "table-cell": $this->_render_frame("table-cell", $frame); break; case "table-row-group": case "table-header-group": case "table-footer-group": $this->_render_frame("table-row-group", $frame); break; case "-dompdf-list-bullet": $this->_render_frame("list-bullet", $frame); break; case "-dompdf-image": $this->_render_frame("image", $frame); break; case "none": $node = $frame->get_node(); if ($node->nodeName === "script") { if ($node->getAttribute("type") === "text/php" || $node->getAttribute("language") === "php") { // Evaluate embedded php scripts $this->_render_frame("php", $frame); } elseif ($node->getAttribute("type") === "text/javascript" || $node->getAttribute("language") === "javascript") { // Insert JavaScript $this->_render_frame("javascript", $frame); } } // Don't render children, so skip to next iter return; default: break; } // Starts the overflow: hidden box if ($style->overflow === "hidden") { list($x, $y, $w, $h) = $frame->get_padding_box(); // get border radii $style = $frame->get_style(); list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h); if ($tl + $tr + $br + $bl > 0) { $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl); } else { $this->_canvas->clipping_rectangle($x, $y, $w, $h); } } $stack = array(); foreach ($frame->get_children() as $child) { // < 0 : nagative z-index // = 0 : no z-index, no stacking context // = 1 : stacking context without z-index // > 1 : z-index $child_style = $child->get_style(); $child_z_index = $child_style->z_index; $z_index = 0; if ($child_z_index !== "auto") { $z_index = intval($child_z_index) + 1; } elseif ($child_style->float !== "none" || $child->is_positionned()) { $z_index = 1; } $stack[$z_index][] = $child; } ksort($stack); foreach ($stack as $by_index) { foreach ($by_index as $child) { $this->render($child); } } // Ends the overflow: hidden box if ($style->overflow === "hidden") { $this->_canvas->clipping_end(); } if ($style->transform && is_array($style->transform)) { $this->_canvas->restore(); } // Check for end frame callback $this->_check_callbacks("end_frame", $frame); }
/** * Parses the CSS "content" property * * @return string|null The resulting string */ protected function _parse_content() { // Matches generated content $re = "/\n" . "\\s(counters?\\([^)]*\\))|\n" . "\\A(counters?\\([^)]*\\))|\n" . "\\s([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\3|\n" . "\\A([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\5|\n" . "\\s([^\\s\"']+)|\n" . "\\A([^\\s\"']+)\n" . "/xi"; $content = $this->_frame->get_style()->content; $quotes = $this->_parse_quotes(); // split on spaces, except within quotes if (!preg_match_all($re, $content, $matches, PREG_SET_ORDER)) { return null; } $text = ""; foreach ($matches as $match) { if (isset($match[2]) && $match[2] !== "") { $match[1] = $match[2]; } if (isset($match[6]) && $match[6] !== "") { $match[4] = $match[6]; } if (isset($match[8]) && $match[8] !== "") { $match[7] = $match[8]; } if (isset($match[1]) && $match[1] !== "") { // counters?(...) $match[1] = mb_strtolower(trim($match[1])); // Handle counter() references: // http://www.w3.org/TR/CSS21/generate.html#content $i = mb_strpos($match[1], ")"); if ($i === false) { continue; } preg_match('/(counters?)(^\\()*?\\(\\s*([^\\s,]+)\\s*(,\\s*["\']?([^"\'\\)]+)["\']?\\s*(,\\s*([^\\s)]+)\\s*)?)?\\)/i', $match[1], $args); $counter_id = $args[3]; if (strtolower($args[1]) == 'counter') { // counter(name [,style]) if (isset($args[5])) { $type = trim($args[5]); } else { $type = null; } $p = $this->_frame->lookup_counter_frame($counter_id); $text .= $p->counter_value($counter_id, $type); } else { if (strtolower($args[1]) == 'counters') { // counters(name, string [,style]) if (isset($args[5])) { $string = $this->_parse_string($args[5]); } else { $string = ""; } if (isset($args[7])) { $type = trim($args[7]); } else { $type = null; } $p = $this->_frame->lookup_counter_frame($counter_id); $tmp = array(); while ($p) { // We only want to use the counter values when they actually increment the counter if (array_key_exists($counter_id, $p->_counters)) { array_unshift($tmp, $p->counter_value($counter_id, $type)); } $p = $p->lookup_counter_frame($counter_id); } $text .= implode($string, $tmp); } else { // countertops? continue; } } } else { if (isset($match[4]) && $match[4] !== "") { // String match $text .= $this->_parse_string($match[4]); } else { if (isset($match[7]) && $match[7] !== "") { // Directive match if ($match[7] === "open-quote") { // FIXME: do something here $text .= $quotes[0][0]; } else { if ($match[7] === "close-quote") { // FIXME: do something else here $text .= $quotes[0][1]; } else { if ($match[7] === "no-open-quote") { // FIXME: } else { if ($match[7] === "no-close-quote") { // FIXME: } else { if (mb_strpos($match[7], "attr(") === 0) { $i = mb_strpos($match[7], ")"); if ($i === false) { continue; } $attr = mb_substr($match[7], 5, $i - 5); if ($attr == "") { continue; } $text .= $this->_frame->get_parent()->get_node()->getAttribute($attr); } else { continue; } } } } } } } } } return $text; }