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(); $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); }