function position(AbstractFrameDecorator $frame) { $style = $frame->get_original_style(); $root = $frame->get_root(); $initialcb = $root->get_containing_block(); $initialcb_style = $root->get_style(); $p = $frame->find_block_parent(); if ($p) { $p->add_line(); } // Compute the margins of the @page style $margin_top = $initialcb_style->length_in_pt($initialcb_style->margin_top, $initialcb["h"]); $margin_right = $initialcb_style->length_in_pt($initialcb_style->margin_right, $initialcb["w"]); $margin_bottom = $initialcb_style->length_in_pt($initialcb_style->margin_bottom, $initialcb["h"]); $margin_left = $initialcb_style->length_in_pt($initialcb_style->margin_left, $initialcb["w"]); // The needed computed style of the element $height = $style->length_in_pt($style->height, $initialcb["h"]); $width = $style->length_in_pt($style->width, $initialcb["w"]); $top = $style->length_in_pt($style->top, $initialcb["h"]); $right = $style->length_in_pt($style->right, $initialcb["w"]); $bottom = $style->length_in_pt($style->bottom, $initialcb["h"]); $left = $style->length_in_pt($style->left, $initialcb["w"]); $y = $margin_top; if (isset($top)) { $y = $top + $margin_top; if ($top === "auto") { $y = $margin_top; if (isset($bottom) && $bottom !== "auto") { $y = $initialcb["h"] - $bottom - $margin_bottom; $margin_height = $frame->get_margin_height(); if ($margin_height !== "auto") { $y -= $margin_height; } else { $y -= $height; } } } } $x = $margin_left; if (isset($left)) { $x = $left + $margin_left; if ($left === "auto") { $x = $margin_left; if (isset($right) && $right !== "auto") { $x = $initialcb["w"] - $right - $margin_right; $margin_width = $frame->get_margin_width(); if ($margin_width !== "auto") { $x -= $margin_width; } else { $x -= $width; } } } } $frame->set_position($x, $y); $children = $frame->get_children(); foreach ($children as $child) { $child->set_position($x, $y); } }
function position(AbstractFrameDecorator $frame) { $style = $frame->get_style(); $cb = $frame->get_containing_block(); $p = $frame->find_block_parent(); if ($p) { $float = $style->float; if (!$float || $float === "none") { $p->add_line(true); } $y = $p->get_current_line_box()->y; } else { $y = $cb["y"]; } $x = $cb["x"]; // Relative positionning if ($style->position === "relative") { $top = $style->length_in_pt($style->top, $cb["h"]); //$right = $style->length_in_pt($style->right, $cb["w"]); //$bottom = $style->length_in_pt($style->bottom, $cb["h"]); $left = $style->length_in_pt($style->left, $cb["w"]); $x += $left; $y += $top; } $frame->set_position($x, $y); }
function position(AbstractFrameDecorator $frame) { // Bullets & friends are positioned an absolute distance to the left of // the content edge of their parent element $cb = $frame->get_containing_block(); // Note: this differs from most frames in that we must position // ourselves after determining our width $x = $cb["x"] - $frame->get_width(); $p = $frame->find_block_parent(); $y = $p->get_current_line_box()->y; // This is a bit of a hack... $n = $frame->get_next_sibling(); if ($n) { $style = $n->get_style(); $line_height = $style->length_in_pt($style->line_height, $style->get_font_size()); $offset = $style->length_in_pt($line_height, $n->get_containing_block("h")) - $frame->get_height(); $y += $offset / 2; } // Now the position is the left top of the block which should be marked with the bullet. // We tried to find out the y of the start of the first text character within the block. // But the top margin/padding does not fit, neither from this nor from the next sibling // The "bit of a hack" above does not work also. // Instead let's position the bullet vertically centered to the block which should be marked. // But for get_next_sibling() the get_containing_block is all zero, and for find_block_parent() // the get_containing_block is paper width and the entire list as height. // if ($p) { // //$cb = $n->get_containing_block(); // $cb = $p->get_containing_block(); // $y += $cb["h"]/2; // print 'cb:'.$cb["x"].':'.$cb["y"].':'.$cb["w"].':'.$cb["h"].':'; // } // Todo: // For now give up on the above. Use Guesswork with font y-pos in the middle of the line spacing /*$style = $p->get_style(); $font_size = $style->get_font_size(); $line_height = $style->length_in_pt($style->line_height, $font_size); $y += ($line_height - $font_size) / 2; */ //Position is x-end y-top of character position of the bullet. $frame->set_position($x, $y); }
function position(AbstractFrameDecorator $frame) { /** * Find our nearest block level parent and access its lines property. * @var BlockFrameDecorator */ $p = $frame->find_block_parent(); // Debugging code: // Helpers::pre_r("\nPositioning:"); // Helpers::pre_r("Me: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")"); // Helpers::pre_r("Parent: " . $p->get_node()->nodeName . " (" . spl_object_hash($p->get_node()) . ")"); // End debugging if (!$p) { throw new Exception("No block-level parent found. Not good."); } $f = $frame; $cb = $f->get_containing_block(); $line = $p->get_current_line_box(); // Skip the page break if in a fixed position element $is_fixed = false; while ($f = $f->get_parent()) { if ($f->get_style()->position === "fixed") { $is_fixed = true; break; } } $f = $frame; if (!$is_fixed && $f->get_parent() && $f->get_parent() instanceof InlineFrameDecorator && $f->is_text_node()) { $min_max = $f->get_reflower()->get_min_max_width(); // If the frame doesn't fit in the current line, a line break occurs if ($min_max["min"] > $cb["w"] - $line->left - $line->w - $line->right) { $p->add_line(); } } $f->set_position($cb["x"] + $line->w, $line->y); }
function position(AbstractFrameDecorator $frame) { $style = $frame->get_style(); $p = $frame->find_positionned_parent(); list($x, $y, $w, $h) = $frame->get_containing_block(); $top = $style->length_in_pt($style->top, $h); $right = $style->length_in_pt($style->right, $w); $bottom = $style->length_in_pt($style->bottom, $h); $left = $style->length_in_pt($style->left, $w); if ($p && !($left === "auto" && $right === "auto")) { // Get the parent's padding box (see http://www.w3.org/TR/CSS21/visuren.html#propdef-top) list($x, $y, $w, $h) = $p->get_padding_box(); } list($width, $height) = array($frame->get_margin_width(), $frame->get_margin_height()); $orig_style = $frame->get_original_style(); $orig_width = $orig_style->width; $orig_height = $orig_style->height; /**************************** * * Width auto: * ____________| left=auto | left=fixed | * right=auto | A | B | * right=fixed | C | D | * * Width fixed: * ____________| left=auto | left=fixed | * right=auto | E | F | * right=fixed | G | H | *****************************/ if ($left === "auto") { if ($right === "auto") { // A or E - Keep the frame at the same position $x = $x + $frame->find_block_parent()->get_current_line_box()->w; } else { if ($orig_width === "auto") { // C $x += $w - $width - $right; } else { // G $x += $w - $width - $right; } } } else { if ($right === "auto") { // B or F $x += $left; } else { if ($orig_width === "auto") { // D - TODO change width $x += $left; } else { // H - Everything is fixed: left + width win $x += $left; } } } // The same vertically if ($top === "auto") { if ($bottom === "auto") { // A or E - Keep the frame at the same position $y = $frame->find_block_parent()->get_current_line_box()->y; } else { if ($orig_height === "auto") { // C $y += $h - $height - $bottom; } else { // G $y += $h - $height - $bottom; } } } else { if ($bottom === "auto") { // B or F $y += $top; } else { if ($orig_height === "auto") { // D - TODO change height $y += $top; } else { // H - Everything is fixed: top + height win $y += $top; } } } $frame->set_position($x, $y); }