/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
global $_dompdf_warnings;
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
list($this->_image_url, $this->_image_ext) = Image_Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path());
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
$debug_png = $dompdf->get_option("debug_png");
if ($debug_png) {
print '[__construct ' . $url . ']';
}
list($this->_image_url, , $this->_image_msg) = Image_Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path(), $dompdf);
if (Image_Cache::is_broken($this->_image_url) && ($alt = $frame->get_node()->getAttribute("alt"))) {
$style = $frame->get_style();
$style->width = 4 / 3 * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
global $_dompdf_warnings;
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
//debugpng
if (DEBUGPNG) {
print '[__construct ' . $url . ']';
}
list($this->_image_url, $this->_image_ext) = Image_Cache::resolve_url($url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path());
if (strrpos($this->_image_url, DOMPDF_LIB_DIR . "/res/broken_image.png", 0) !== false && ($alt = $frame->get_node()->getAttribute("alt"))) {
$style = $frame->get_style();
$style->width = 4 / 3 * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
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($style->opacity));
if (($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);
}
$this->_render_border($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"]);
$src = $frame->get_image_url();
if (Image_Cache::is_broken($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, $style->image_resolution);
}
if ($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 (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
$this->_debug_layout($frame->get_border_box(), "blue");
if (DEBUG_LAYOUT_PADDINGBOX) {
$this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
}
}
}
/**
* Class constructor
*
* @param Frame $frame the frame to decorate
* @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
*/
function __construct(Frame $frame, DOMPDF $dompdf)
{
global $_dompdf_warnings;
parent::__construct($frame, $dompdf);
$url = $frame->get_node()->getAttribute("src");
//debugpng
if (DEBUGPNG) print '[__construct ' . $url . ']';
list($this->_image_url, $type, $this->_image_msg) = Image_Cache::resolve_url($url,
$dompdf->get_protocol(),
$dompdf->get_host(),
$dompdf->get_base_path());
if (Image_Cache::is_broken($this->_image_url) &&
$alt = $frame->get_node()->getAttribute("alt")
) {
$style = $frame->get_style();
$style->width = (4 / 3) * Font_Metrics::get_text_width($alt, $style->font_family, $style->font_size, $style->word_spacing);
$style->height = Font_Metrics::get_font_height($style->font_family, $style->font_size);
}
}
public function clear()
{
\Image_Cache::clear();
return true;
}
/**
* Renders the HTML to PDF
*/
function render()
{
//enable_mem_profile();
$this->_process_html();
$this->_css->apply_styles($this->_tree);
$root = null;
foreach ($this->_tree->get_frames() as $frame) {
// Set up the root frame
if (is_null($root)) {
$root = Frame_Factory::decorate_root($this->_tree->get_root(), $this);
continue;
}
// Create the appropriate decorators, reflowers & positioners.
$deco = Frame_Factory::decorate_frame($frame, $this);
$deco->set_root($root);
// FIXME: handle generated content
if ($frame->get_style()->display === "list-item") {
// Insert a list-bullet frame
$node = $this->_xml->createElement("bullet");
// arbitrary choice
$b_f = new Frame($node);
$style = $this->_css->create_style();
$style->display = "-dompdf-list-bullet";
$style->inherit($frame->get_style());
$b_f->set_style($style);
$deco->prepend_child(Frame_Factory::decorate_frame($b_f, $this));
}
}
$this->_pdf = Canvas_Factory::get_instance($this->_paper_size, $this->_paper_orientation);
$root->set_containing_block(0, 0, $this->_pdf->get_width(), $this->_pdf->get_height());
$root->set_renderer(new Renderer($this));
// This is where the magic happens:
$root->reflow();
// Clean up cached images
Image_Cache::clear();
global $_dompdf_warnings, $_dompdf_show_warnings;
if ($_dompdf_show_warnings) {
echo '<b>DOMPDF Warnings</b><br><pre>';
foreach ($_dompdf_warnings as $msg) {
echo $msg . "\n";
}
echo $this->get_canvas()->get_cpdf()->messages;
echo '</pre>';
flush();
}
}
/**
* Add an image to the pdf.
*
* The image is placed at the specified x and y coordinates with the
* given width and height.
*
* @param string $img_url the path to the image
* @param string $img_type the type (e.g. extension) of the image
* @param float $x x position
* @param float $y y position
* @param int $w width (in pixels)
* @param int $h height (in pixels)
*/
function image($img_url, $x, $y, $w, $h, $resolution = "normal")
{
$img_type = Image_Cache::detect_type($img_url);
$img_ext = Image_Cache::type_to_ext($img_type);
if (!$img_ext) {
return;
}
$func = "imagecreatefrom{$img_ext}";
$src = @$func($img_url);
if (!$src) {
return;
// Probably should add to $_dompdf_errors or whatever here
}
// Scale by the AA factor
$x *= $this->_aa_factor;
$y *= $this->_aa_factor;
$w *= $this->_aa_factor;
$h *= $this->_aa_factor;
$img_w = imagesx($src);
$img_h = imagesy($src);
imagecopyresampled($this->_img, $src, $x, $y, 0, 0, $w, $h, $img_w, $img_h);
}
/**
* Render a background image over a rectangular area
*
* @param string $url The background image to load
* @param float $x The left edge of the rectangular area
* @param float $y The top edge of the rectangular area
* @param float $width The width of the rectangular area
* @param float $height The height of the rectangular area
* @param Style $style The associated Style object
*
* @throws Exception
*/
protected function _background_image($url, $x, $y, $width, $height, $style)
{
if (!function_exists("imagecreatetruecolor")) {
throw new Exception("The PHP GD extension is required, but is not installed.");
}
$sheet = $style->get_stylesheet();
// Skip degenerate cases
if ($width == 0 || $height == 0) {
return;
}
$box_width = $width;
$box_height = $height;
//debugpng
if (DEBUGPNG) {
print '[_background_image ' . $url . ']';
}
list($img, $type, ) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path(), $this->_dompdf);
// Bail if the image is no good
if (Image_Cache::is_broken($img)) {
return;
}
//Try to optimize away reading and composing of same background multiple times
//Postponing read with imagecreatefrom ...()
//final composition parameters and name not known yet
//Therefore read dimension directly from file, instead of creating gd object first.
//$img_w = imagesx($src); $img_h = imagesy($src);
list($img_w, $img_h) = dompdf_getimagesize($img);
if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) {
return;
}
$repeat = $style->background_repeat;
$dpi = $this->_dompdf->get_option("dpi");
//Increase background resolution and dependent box size according to image resolution to be placed in
//Then image can be copied in without resize
$bg_width = round((double) ($width * $dpi) / 72);
$bg_height = round((double) ($height * $dpi) / 72);
//Need %bg_x, $bg_y as background pos, where img starts, converted to pixel
list($bg_x, $bg_y) = $style->background_position;
if (is_percent($bg_x)) {
// The point $bg_x % from the left edge of the image is placed
// $bg_x % from the left edge of the background rectangle
$p = (double) $bg_x / 100.0;
$x1 = $p * $img_w;
$x2 = $p * $bg_width;
$bg_x = $x2 - $x1;
} else {
$bg_x = (double) ($style->length_in_pt($bg_x) * $dpi) / 72;
}
$bg_x = round($bg_x + $style->length_in_pt($style->border_left_width) * $dpi / 72);
if (is_percent($bg_y)) {
// The point $bg_y % from the left edge of the image is placed
// $bg_y % from the left edge of the background rectangle
$p = (double) $bg_y / 100.0;
$y1 = $p * $img_h;
$y2 = $p * $bg_height;
$bg_y = $y2 - $y1;
} else {
$bg_y = (double) ($style->length_in_pt($bg_y) * $dpi) / 72;
}
$bg_y = round($bg_y + $style->length_in_pt($style->border_top_width) * $dpi / 72);
//clip background to the image area on partial repeat. Nothing to do if img off area
//On repeat, normalize start position to the tile at immediate left/top or 0/0 of area
//On no repeat with positive offset: move size/start to have offset==0
//Handle x/y Dimensions separately
if ($repeat !== "repeat" && $repeat !== "repeat-x") {
//No repeat x
if ($bg_x < 0) {
$bg_width = $img_w + $bg_x;
} else {
$x += $bg_x * 72 / $dpi;
$bg_width = $bg_width - $bg_x;
if ($bg_width > $img_w) {
$bg_width = $img_w;
}
$bg_x = 0;
}
if ($bg_width <= 0) {
return;
}
$width = (double) ($bg_width * 72) / $dpi;
} else {
//repeat x
if ($bg_x < 0) {
$bg_x = -(-$bg_x % $img_w);
} else {
$bg_x = $bg_x % $img_w;
if ($bg_x > 0) {
$bg_x -= $img_w;
}
}
}
if ($repeat !== "repeat" && $repeat !== "repeat-y") {
//no repeat y
if ($bg_y < 0) {
$bg_height = $img_h + $bg_y;
} else {
$y += $bg_y * 72 / $dpi;
$bg_height = $bg_height - $bg_y;
if ($bg_height > $img_h) {
$bg_height = $img_h;
}
$bg_y = 0;
}
if ($bg_height <= 0) {
return;
}
$height = (double) ($bg_height * 72) / $dpi;
} else {
//repeat y
if ($bg_y < 0) {
$bg_y = -(-$bg_y % $img_h);
} else {
$bg_y = $bg_y % $img_h;
if ($bg_y > 0) {
$bg_y -= $img_h;
}
}
}
//Optimization, if repeat has no effect
if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "repeat-x";
}
if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) {
$repeat = "repeat-y";
}
if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "no-repeat";
}
//Use filename as indicator only
//different names for different variants to have different copies in the pdf
//This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color)
//Note: Here, bg_* are the start values, not end values after going through the tile loops!
$filedummy = $img;
$is_png = false;
$filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat;
//Optimization to avoid multiple times rendering the same image.
//If check functions are existing and identical image already cached,
//then skip creation of duplicate, because it is not needed by addImagePng
if ($this->_canvas instanceof CPDF_Adapter && $this->_canvas->get_cpdf()->image_iscached($filedummy)) {
$bg = null;
} else {
// Create a new image to fit over the background rectangle
$bg = imagecreatetruecolor($bg_width, $bg_height);
switch (strtolower($type)) {
case IMAGETYPE_PNG:
$is_png = true;
imagesavealpha($bg, true);
imagealphablending($bg, false);
$src = imagecreatefrompng($img);
break;
case IMAGETYPE_JPEG:
$src = imagecreatefromjpeg($img);
break;
case IMAGETYPE_GIF:
$src = imagecreatefromgif($img);
break;
case IMAGETYPE_BMP:
$src = imagecreatefrombmp($img);
break;
default:
return;
// Unsupported image type
}
if ($src == null) {
return;
}
//Background color if box is not relevant here
//Non transparent image: box clipped to real size. Background non relevant.
//Transparent image: The image controls the transparency and lets shine through whatever background.
//However on transparent image preset the composed image with the transparency color,
//to keep the transparency when copying over the non transparent parts of the tiles.
$ti = imagecolortransparent($src);
if ($ti >= 0) {
$tc = imagecolorsforindex($src, $ti);
$ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']);
imagefill($bg, 0, 0, $ti);
imagecolortransparent($bg, $ti);
}
//This has only an effect for the non repeatable dimension.
//compute start of src and dest coordinates of the single copy
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
} else {
$src_x = 0;
$dst_x = $bg_x;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
} else {
$src_y = 0;
$dst_y = $bg_y;
}
//For historical reasons exchange meanings of variables:
//start_* will be the start values, while bg_* will be the temporary start values in the loops
$start_x = $bg_x;
$start_y = $bg_y;
// Copy regions from the source image to the background
if ($repeat === "no-repeat") {
// Simply place the image on the background
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
} else {
if ($repeat === "repeat-x") {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
}
} else {
if ($repeat === "repeat-y") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
}
} else {
if ($repeat === "repeat") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
}
}
} else {
print 'Unknown repeat!';
}
}
}
}
imagedestroy($src);
}
/* End optimize away creation of duplicates */
$this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height);
//img: image url string
//img_w, img_h: original image size in px
//width, height: box size in pt
//bg_width, bg_height: box size in px
//x, y: left/top edge of box on page in pt
//start_x, start_y: placement of image relative to pattern
//$repeat: repeat mode
//$bg: GD object of result image
//$src: GD object of original image
//When using cpdf and optimization to direct png creation from gd object is available,
//don't create temp file, but place gd object directly into the pdf
if (!$is_png && $this->_canvas instanceof CPDF_Adapter) {
// Note: CPDF_Adapter image converts y position
$this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg);
} else {
$tmp_dir = $this->_dompdf->get_option("temp_dir");
$tmp_name = tempnam($tmp_dir, "bg_dompdf_img_");
@unlink($tmp_name);
$tmp_file = "{$tmp_name}.png";
//debugpng
if (DEBUGPNG) {
print '[_background_image ' . $tmp_file . ']';
}
imagepng($bg, $tmp_file);
$this->_canvas->image($tmp_file, $x, $y, $width, $height);
imagedestroy($bg);
//debugpng
if (DEBUGPNG) {
print '[_background_image unlink ' . $tmp_file . ']';
}
if (!DEBUGKEEPTEMP) {
unlink($tmp_file);
}
}
$this->_canvas->clipping_end();
}
function image($img_url, $x, $y, $w, $h, $resolution = "normal") {
$w = (int)$w;
$h = (int)$h;
$img_type = Image_Cache::detect_type($img_url);
$img_ext = Image_Cache::type_to_ext($img_type);
if ( !isset($this->_imgs[$img_url]) ) {
$this->_imgs[$img_url] = $this->_pdf->load_image($img_ext, $img_url, "");
}
$img = $this->_imgs[$img_url];
$y = $this->y($y) - $h;
$this->_pdf->fit_image($img, $x, $y, 'boxsize={'."$w $h".'} fitmethod=entire');
}
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" && !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);
$w = (double) rtrim($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, $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":
$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);
// Take line-height into account
$line_height = $style->line_height;
$y += ($line_height - $font_size) / 4;
// Fixme-note I thought it should be 2, but 4 gives better results
$this->_canvas->text($x, $y, $text, $font_family, $font_size, $style->color, $spacing);
case "none":
break;
}
}
}
* or converted)
*/
static function clear()
{
if (empty(self::$_cache) || DEBUGKEEPTEMP) {
return;
}
foreach (self::$_cache as $file) {
if (DEBUGPNG) {
print "[clear unlink {$file}]";
}
unlink($file);
}
}
static function detect_type($file)
{
list($width, $height, $type) = dompdf_getimagesize($file);
return $type;
}
static function type_to_ext($type)
{
$image_types = array(IMAGETYPE_GIF => "gif", IMAGETYPE_PNG => "png", IMAGETYPE_JPEG => "jpeg", IMAGETYPE_BMP => "bmp");
return isset($image_types[$type]) ? $image_types[$type] : null;
}
static function is_broken($url)
{
return $url === self::$broken_image;
}
}
Image_Cache::$broken_image = DOMPDF_LIB_DIR . "/res/broken_image.png";
/**
* Unlink all cached images (i.e. temporary images either downloaded
* or converted)
*/
static function clear()
{
if (empty(self::$_cache) || DEBUGKEEPTEMP) {
return;
}
foreach (self::$_cache as $file) {
if (DEBUGPNG) {
print "[clear unlink {$file}]";
}
unlink($file);
}
self::$_cache = array();
}
function image($img_url, $x, $y, $w, $h, $resolution = "normal")
{
$w = (int) $w;
$h = (int) $h;
$img_type = Image_Cache::detect_type($img_url);
$img_ext = Image_Cache::type_to_ext($img_type);
if (isset($this->_imgs[$img_url])) {
$img = $this->_imgs[$img_url];
} else {
$img = $this->_imgs[$img_url] = $this->_pdf->load_image($img_type, $img_url, "");
}
$y = $this->y($y) - $h;
$this->_pdf->fit_image($img, $x, $y, "boxsize=\\{{$w} {$h}\\} fitmethod=entire");
}
protected function _background_image($url, $x, $y, $width, $height, $style)
{
$sheet = $style->get_stylesheet();
if ($width == 0 || $height == 0) {
return;
}
$box_width = $width;
$box_height = $height;
if (DEBUGPNG) {
print '[_background_image ' . $url . ']';
}
list($img, $type, $msg) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path());
if (Image_Cache::is_broken($img)) {
return;
}
list($img_w, $img_h) = dompdf_getimagesize($img);
if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) {
return;
}
$repeat = $style->background_repeat;
$bg_color = $style->background_color;
$bg_width = round((double) ($width * DOMPDF_DPI) / 72);
$bg_height = round((double) ($height * DOMPDF_DPI) / 72);
list($bg_x, $bg_y) = $style->background_position;
if (is_percent($bg_x)) {
$p = (double) $bg_x / 100.0;
$x1 = $p * $img_w;
$x2 = $p * $bg_width;
$bg_x = $x2 - $x1;
} else {
$bg_x = (double) ($style->length_in_pt($bg_x) * DOMPDF_DPI) / 72;
}
$bg_x = round($bg_x + $style->length_in_pt($style->border_left_width) * DOMPDF_DPI / 72);
if (is_percent($bg_y)) {
$p = (double) $bg_y / 100.0;
$y1 = $p * $img_h;
$y2 = $p * $bg_height;
$bg_y = $y2 - $y1;
} else {
$bg_y = (double) ($style->length_in_pt($bg_y) * DOMPDF_DPI) / 72;
}
$bg_y = round($bg_y + $style->length_in_pt($style->border_top_width) * DOMPDF_DPI / 72);
if ($repeat !== "repeat" && $repeat !== "repeat-x") {
if ($bg_x < 0) {
$bg_width = $img_w + $bg_x;
} else {
$x += $bg_x * 72 / DOMPDF_DPI;
$bg_width = $bg_width - $bg_x;
if ($bg_width > $img_w) {
$bg_width = $img_w;
}
$bg_x = 0;
}
if ($bg_width <= 0) {
return;
}
$width = (double) ($bg_width * 72) / DOMPDF_DPI;
} else {
if ($bg_x < 0) {
$bg_x = -(-$bg_x % $img_w);
} else {
$bg_x = $bg_x % $img_w;
if ($bg_x > 0) {
$bg_x -= $img_w;
}
}
}
if ($repeat !== "repeat" && $repeat !== "repeat-y") {
if ($bg_y < 0) {
$bg_height = $img_h + $bg_y;
} else {
$y += $bg_y * 72 / DOMPDF_DPI;
$bg_height = $bg_height - $bg_y;
if ($bg_height > $img_h) {
$bg_height = $img_h;
}
$bg_y = 0;
}
if ($bg_height <= 0) {
return;
}
$height = (double) ($bg_height * 72) / DOMPDF_DPI;
} else {
if ($bg_y < 0) {
$bg_y = -(-$bg_y % $img_h);
} else {
$bg_y = $bg_y % $img_h;
if ($bg_y > 0) {
$bg_y -= $img_h;
}
}
}
if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "repeat-x";
}
if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) {
$repeat = "repeat-y";
}
if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "no-repeat";
}
$filedummy = $img;
$is_png = false;
$filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat;
if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng") && method_exists($this->_canvas->get_cpdf(), "image_iscached") && $this->_canvas->get_cpdf()->image_iscached($filedummy)) {
$bg = null;
} else {
$bg = imagecreatetruecolor($bg_width, $bg_height);
switch (strtolower($type)) {
case IMAGETYPE_PNG:
$is_png = true;
imagesavealpha($bg, true);
imagealphablending($bg, false);
$src = imagecreatefrompng($img);
break;
case IMAGETYPE_JPEG:
$src = imagecreatefromjpeg($img);
break;
case IMAGETYPE_GIF:
$src = imagecreatefromgif($img);
break;
case IMAGETYPE_BMP:
$src = imagecreatefrombmp($img);
break;
default:
return;
}
if ($src == null) {
return;
}
$ti = imagecolortransparent($src);
if ($ti >= 0) {
$tc = imagecolorsforindex($src, $ti);
$ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']);
imagefill($bg, 0, 0, $ti);
imagecolortransparent($bg, $ti);
}
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
} else {
$src_x = 0;
$dst_x = $bg_x;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
} else {
$src_y = 0;
$dst_y = $bg_y;
}
$start_x = $bg_x;
$start_y = $bg_y;
if ($repeat === "no-repeat") {
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
} else {
if ($repeat === "repeat-x") {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
}
} else {
if ($repeat === "repeat-y") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
}
} else {
if ($repeat === "repeat") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
}
}
} else {
print 'Unknown repeat!';
}
}
}
}
imagedestroy($src);
}
$this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height);
if (!$is_png && method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng")) {
$this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg);
} else {
$tmp_name = tempnam(DOMPDF_TEMP_DIR, "bg_dompdf_img_");
@unlink($tmp_name);
$tmp_file = "{$tmp_name}.png";
if (DEBUGPNG) {
print '[_background_image ' . $tmp_file . ']';
}
imagepng($bg, $tmp_file);
$this->_canvas->image($tmp_file, $x, $y, $width, $height);
imagedestroy($bg);
if (DEBUGPNG) {
print '[_background_image unlink ' . $tmp_file . ']';
}
if (!DEBUGKEEPTEMP) {
unlink($tmp_file);
}
}
$this->_canvas->clipping_end();
}
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;
}
}
}
/**
* Render a background image over a rectangular area
*
* @param string $img The background image to load
* @param float $x The left edge of the rectangular area
* @param float $y The top edge of the rectangular area
* @param float $width The width of the rectangular area
* @param float $height The height of the rectangular area
* @param Style $style The associated Style object
*/
protected function _background_image($url, $x, $y, $width, $height, $style)
{
$sheet = $style->get_stylesheet();
// Skip degenerate cases
if ($width == 0 || $height == 0) {
return;
}
list($img, $ext) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path());
list($bg_x, $bg_y) = $style->background_position;
$repeat = $style->background_repeat;
if (!is_percent($bg_x)) {
$bg_x = $style->length_in_pt($bg_x);
}
if (!is_percent($bg_y)) {
$bg_y = $style->length_in_pt($bg_y);
}
$repeat = $style->background_repeat;
$position = $style->background_position;
$bg_color = $style->background_color;
// Bail if the image is no good
if ($img == DOMPDF_LIB_DIR . "/res/broken_image.png") {
return;
}
$ext = strtolower($ext);
list($img_w, $img_h) = getimagesize($img);
$bg_width = round($width * DOMPDF_DPI / 72);
$bg_height = round($height * DOMPDF_DPI / 72);
// Create a new image to fit over the background rectangle
$bg = imagecreatetruecolor($bg_width, $bg_height);
if ($bg_color == "transparent") {
$bg_color = array(1, 1, 1);
}
list($r, $g, $b) = $bg_color;
$r *= 255;
$g *= 255;
$b *= 255;
// Clip values
$r = $r > 255 ? 255 : $r;
$g = $g > 255 ? 255 : $g;
$b = $b > 255 ? 255 : $b;
$r = $r < 0 ? 0 : $r;
$g = $g < 0 ? 0 : $g;
$b = $b < 0 ? 0 : $b;
$clear = imagecolorallocate($bg, round($r), round($g), round($b));
imagecolortransparent($bg, $clear);
imagefill($bg, 1, 1, $clear);
switch ($ext) {
case "png":
$src = imagecreatefrompng($img);
break;
case "jpg":
case "jpeg":
$src = imagecreatefromjpeg($img);
break;
case "gif":
$src = imagecreatefromgif($img);
break;
default:
return;
// Unsupported image type
}
if (is_percent($bg_x)) {
// The point $bg_x % from the left edge of the image is placed
// $bg_x % from the left edge of the background rectangle
$p = (double) $bg_x / 100.0;
$x1 = $p * $img_w;
$x2 = $p * $bg_width;
$bg_x = $x2 - $x1;
}
if (is_percent($bg_y)) {
// The point $bg_y % from the left edge of the image is placed
// $bg_y % from the left edge of the background rectangle
$p = (double) $bg_y / 100.0;
$y1 = $p * $img_h;
$y2 = $p * $bg_height;
$bg_y = $y2 - $y1;
}
// Copy regions from the source image to the background
if ($repeat == "no-repeat" || $repeat == "repeat-x" && $img_w >= $bg_width || $repeat == "repeat-y" && $img_h >= $bg_height || $repeat == "repeat" && $img_w >= $bg_width && $img_h >= $bg_height) {
// Simply place the image on the background
$src_x = 0;
$src_y = 0;
$dst_x = $bg_x;
$dst_y = $bg_y;
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
}
$bg_x = round($bg_x * DOMPDF_DPI / 72);
$bg_y = round($bg_y * DOMPDF_DPI / 72);
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
} else {
if ($repeat == "repeat-x") {
$src_x = 0;
$src_y = 0;
$dst_y = $bg_y;
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
}
if ($bg_x < 0) {
$start_x = $bg_x;
} else {
$start_x = $bg_x % $img_w - $img_w;
}
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
}
} else {
if ($repeat == "repeat-y") {
$src_x = 0;
$src_y = 0;
$dst_x = $bg_x;
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
}
if ($bg_y < 0) {
$start_y = $bg_y;
} else {
$start_y = $bg_y % $img_h - $img_h;
}
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
}
} else {
if ($bg_x < 0) {
$start_x = $bg_x;
} else {
$start_x = $bg_x % $img_w - $img_w;
}
if ($bg_y < 0) {
$start_y = $bg_y;
} else {
$start_y = $bg_y % $img_h - $img_h;
}
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
}
}
}
}
}
$tmp_file = tempnam(DOMPDF_TEMP_DIR, "dompdf_img_");
imagepng($bg, $tmp_file);
$this->_canvas->image($tmp_file, "png", $x, $y, $width, $height);
unlink($tmp_file);
}
/**
* Render a background image over a rectangular area
*
* @param string $img The background image to load
* @param float $x The left edge of the rectangular area
* @param float $y The top edge of the rectangular area
* @param float $width The width of the rectangular area
* @param float $height The height of the rectangular area
* @param Style $style The associated Style object
*/
protected function _background_image($url, $x, $y, $width, $height, $style)
{
$sheet = $style->get_stylesheet();
// Skip degenerate cases
if ($width == 0 || $height == 0) {
return;
}
//debugpng
if (DEBUGPNG) {
print '[_background_image ' . $url . ']';
}
list($img, $ext) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path());
// Bail if the image is no good
if ($img === DOMPDF_LIB_DIR . "/res/broken_image.png") {
return;
}
//Try to optimize away reading and composing of same background multiple times
//Postponing read with imagecreatefrom ...()
//final composition paramters and name not known yet
//Therefore read dimension directly from file, instead of creating gd object first.
//$img_w = imagesx($src); $img_h = imagesy($src);
list($img_w, $img_h) = getimagesize($img);
if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) {
return;
}
$repeat = $style->background_repeat;
$bg_color = $style->background_color;
//Increase background resolution and dependent box size according to image resolution to be placed in
//Then image can be copied in without resize
$bg_width = round((double) ($width * DOMPDF_DPI) / 72);
$bg_height = round((double) ($height * DOMPDF_DPI) / 72);
//Need %bg_x, $bg_y as background pos, where img starts, converted to pixel
list($bg_x, $bg_y) = $style->background_position;
if (is_percent($bg_x)) {
// The point $bg_x % from the left edge of the image is placed
// $bg_x % from the left edge of the background rectangle
$p = (double) $bg_x / 100.0;
$x1 = $p * $img_w;
$x2 = $p * $bg_width;
$bg_x = round($x2 - $x1);
} else {
$bg_x = round((double) ($style->length_in_pt($bg_x) * DOMPDF_DPI) / 72);
}
if (is_percent($bg_y)) {
// The point $bg_y % from the left edge of the image is placed
// $bg_y % from the left edge of the background rectangle
$p = (double) $bg_y / 100.0;
$y1 = $p * $img_h;
$y2 = $p * $bg_height;
$bg_y = round($y2 - $y1);
} else {
$bg_y = round((double) ($style->length_in_pt($bg_y) * DOMPDF_DPI) / 72);
}
//clip background to the image area on partial repeat. Nothing to do if img off area
//On repeat, normalize start position to the tile at immediate left/top or 0/0 of area
//On no repeat with positive offset: move size/start to have offset==0
//Handle x/y Dimensions separately
if ($repeat !== "repeat" && $repeat !== "repeat-x") {
//No repeat x
if ($bg_x < 0) {
$bg_width = $img_w + $bg_x;
} else {
$x += $bg_x * 72 / DOMPDF_DPI;
$bg_width = $bg_width - $bg_x;
if ($bg_width > $img_w) {
$bg_width = $img_w;
}
$bg_x = 0;
}
if ($bg_width <= 0) {
return;
}
$width = (double) ($bg_width * 72) / DOMPDF_DPI;
} else {
//repeat x
if ($bg_x < 0) {
$bg_x = -(-$bg_x % $img_w);
} else {
$bg_x = $bg_x % $img_w;
if ($bg_x > 0) {
$bg_x -= $img_w;
}
}
}
if ($repeat !== "repeat" && $repeat !== "repeat-y") {
//no repeat y
if ($bg_y < 0) {
$bg_height = $img_h + $bg_y;
} else {
$y += $bg_y * 72 / DOMPDF_DPI;
$bg_height = $bg_height - $bg_y;
if ($bg_height > $img_h) {
$bg_height = $img_h;
}
$bg_y = 0;
}
if ($bg_height <= 0) {
return;
}
$height = (double) ($bg_height * 72) / DOMPDF_DPI;
} else {
//repeat y
if ($bg_y < 0) {
$bg_y = -(-$bg_y % $img_h);
} else {
$bg_y = $bg_y % $img_h;
if ($bg_y > 0) {
$bg_y -= $img_h;
}
}
}
//Optimization, if repeat has no effect
if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "repeat-x";
}
if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) {
$repeat = "repeat-y";
}
if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
$repeat = "no-repeat";
}
//Use filename as indicator only
//different names for different variants to have different copies in the pdf
//This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color)
//Note: Here, bg_* are the start values, not end values after going through the tile loops!
$filedummy = $img;
/*
//Make shorter strings with limited characters for cache associative array index - needed?
//Strip common base path - server root, explicite temp, default temp; remove unwanted characters;
$filedummy = strtr($filedummy,"\\:","//");
$p = strtr($_SERVER["DOCUMENT_ROOT"],"\\:","//");
$l = strlen($p);
if ( substr($filedummy,0,$l) == $p) {
$filedummy = substr($filedummy,$l);
} else {
$p = strtr(DOMPDF_TEMP_DIR,"\\:","//");
$l = strlen($p);
if ( substr($filedummy,0,$l) == $p) {
$filedummy = substr($filedummy,$l);
} else {
$p = strtr(sys_get_temp_dir(),"\\:","//");
$l = strlen($p);
if ( substr($filedummy,0,$l) == $p) {
$filedummy = substr($filedummy,$l);
}
}
}
*/
$filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat;
//debugpng
//if (DEBUGPNG) print '<pre>[_background_image name '.$filedummy.']</pre>';
//Optimization to avoid multiple times rendering the same image.
//If check functions are existing and identical image already cached,
//then skip creation of duplicate, because it is not needed by addImagePng
if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng") && method_exists($this->_canvas->get_cpdf(), "image_iscached") && $this->_canvas->get_cpdf()->image_iscached($filedummy)) {
$bg = null;
//debugpng
//if (DEBUGPNG) print '[_background_image skip]';
} else {
// Create a new image to fit over the background rectangle
$bg = imagecreatetruecolor($bg_width, $bg_height);
//anyway default
//imagealphablending($img, true);
switch (strtolower($ext)) {
case "png":
$src = imagecreatefrompng($img);
break;
case "jpg":
case "jpeg":
$src = imagecreatefromjpeg($img);
break;
case "gif":
$src = imagecreatefromgif($img);
break;
default:
return;
// Unsupported image type
}
if ($src == null) {
return;
}
//Background color if box is not relevant here
//Non transparent image: box clipped to real size. Background non relevant.
//Transparent image: The image controls the transparency and lets shine through whatever background.
//However on transparent imaage preset the composed image with the transparency color,
//to keep the transparency when copying over the non transparent parts of the tiles.
$ti = imagecolortransparent($src);
if ($ti >= 0) {
$tc = imagecolorsforindex($src, $ti);
$ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']);
imagefill($bg, 0, 0, $ti);
imagecolortransparent($bg, $ti);
}
//This has only an effect for the non repeatable dimension.
//compute start of src and dest coordinates of the single copy
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
} else {
$src_x = 0;
$dst_x = $bg_x;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
} else {
$src_y = 0;
$dst_y = $bg_y;
}
//For historical reasons exchange meanings of variables:
//start_* will be the start values, while bg_* will be the temporary start values in the loops
$start_x = $bg_x;
$start_y = $bg_y;
// Copy regions from the source image to the background
if ($repeat === "no-repeat") {
// Simply place the image on the background
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
} else {
if ($repeat === "repeat-x") {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
}
} else {
if ($repeat === "repeat-y") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
}
} else {
if ($repeat === "repeat") {
for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
if ($bg_x < 0) {
$dst_x = 0;
$src_x = -$bg_x;
$w = $img_w + $bg_x;
} else {
$dst_x = $bg_x;
$src_x = 0;
$w = $img_w;
}
if ($bg_y < 0) {
$dst_y = 0;
$src_y = -$bg_y;
$h = $img_h + $bg_y;
} else {
$dst_y = $bg_y;
$src_y = 0;
$h = $img_h;
}
imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
}
}
} else {
print 'Unknown repeat!';
}
}
}
}
}
/* End optimize away creation of duplicates */
//img: image url string
//img_w, img_h: original image size in px
//width, height: box size in pt
//bg_width, bg_height: box size in px
//x, y: left/top edge of box on page in pt
//start_x, start_y: placement of image relativ to pattern
//$repeat: repeat mode
//$bg: GD object of result image
//$src: GD object of original image
//When using cpdf and optimization to direct png creation from gd object is available,
//don't create temp file, but place gd object directly into the pdf
if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng")) {
//Note: CPDF_Adapter image converts y position
$this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg);
} else {
$tmp_file = tempnam(DOMPDF_TEMP_DIR, "bg_dompdf_img_") . '.png';
//debugpng
if (DEBUGPNG) {
print '[_background_image ' . $tmp_file . ']';
}
imagepng($bg, $tmp_file);
$this->_canvas->image($tmp_file, "png", $x, $y, $width, $height);
//debugpng
if (DEBUGPNG) {
print '[_background_image unlink ' . $tmp_file . ']';
}
if (!DEBUGKEEPTEMP) {
unlink($tmp_file);
}
}
}
function render()
{
$this->save_locale();
if (DOMPDF_LOG_OUTPUT_FILE) {
if (!file_exists(DOMPDF_LOG_OUTPUT_FILE) && is_writable(dirname(DOMPDF_LOG_OUTPUT_FILE))) {
touch(DOMPDF_LOG_OUTPUT_FILE);
}
$this->_start_time = microtime(true);
ob_start();
}
$this->_process_html();
$this->_css->apply_styles($this->_tree);
$page_styles = $this->_css->get_page_styles();
$base_page_style = $page_styles["base"];
unset($page_styles["base"]);
foreach ($page_styles as $_page_style) {
$_page_style->inherit($base_page_style);
}
if (is_array($base_page_style->size)) {
$this->set_paper(array(0, 0, $base_page_style->size[0], $base_page_style->size[1]));
}
$this->_pdf = Canvas_Factory::get_instance($this->_paper_size, $this->_paper_orientation);
Font_Metrics::init($this->_pdf);
if (DOMPDF_ENABLE_FONTSUBSETTING && $this->_pdf instanceof CPDF_Adapter) {
foreach ($this->_tree->get_frames() as $frame) {
$style = $frame->get_style();
$node = $frame->get_node();
if ($node->nodeName === "#text") {
$this->_pdf->register_string_subset($style->font_family, $node->nodeValue);
continue;
}
if ($style->display === "list-item") {
$chars = List_Bullet_Renderer::get_counter_chars($style->list_style_type);
$this->_pdf->register_string_subset($style->font_family, $chars);
continue;
}
}
}
$root = null;
foreach ($this->_tree->get_frames() as $frame) {
if (is_null($root)) {
$root = Frame_Factory::decorate_root($this->_tree->get_root(), $this);
continue;
}
$deco = Frame_Factory::decorate_frame($frame, $this);
$deco->set_root($root);
if ($frame->get_style()->display === "list-item") {
$node = $this->_xml->createElement("bullet");
$b_f = new Frame($node);
$parent_node = $frame->get_parent()->get_node();
if (!$parent_node->hasAttribute("dompdf-children-count")) {
$xpath = new DOMXPath($this->_xml);
$count = $xpath->query("li", $parent_node)->length;
$parent_node->setAttribute("dompdf-children-count", $count);
}
if (!$parent_node->hasAttribute("dompdf-counter")) {
$index = $parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") - 1 : 0;
} else {
$index = $parent_node->getAttribute("dompdf-counter");
}
$index++;
$parent_node->setAttribute("dompdf-counter", $index);
$node->setAttribute("dompdf-counter", $index);
$style = $this->_css->create_style();
$style->display = "-dompdf-list-bullet";
$style->inherit($frame->get_style());
$b_f->set_style($style);
$deco->prepend_child(Frame_Factory::decorate_frame($b_f, $this));
}
}
$title = $this->_xml->getElementsByTagName("title");
if ($title->length) {
$this->_pdf->add_info("Title", trim($title->item(0)->nodeValue));
}
$metas = $this->_xml->getElementsByTagName("meta");
$labels = array("author" => "Author", "keywords" => "Keywords", "description" => "Subject");
foreach ($metas as $meta) {
$name = mb_strtolower($meta->getAttribute("name"));
$value = trim($meta->getAttribute("content"));
if (isset($labels[$name])) {
$this->_pdf->add_info($labels[$name], $value);
continue;
}
if ($name === "dompdf.view" && $this->parse_default_view($value)) {
$this->_pdf->set_default_view($this->_default_view, $this->_default_view_options);
}
}
$root->set_containing_block(0, 0, $this->_pdf->get_width(), $this->_pdf->get_height());
$root->set_renderer(new Renderer($this));
$root->reflow();
Image_Cache::clear();
global $_dompdf_warnings, $_dompdf_show_warnings;
if ($_dompdf_show_warnings) {
echo '<b>DOMPDF Warnings</b><br><pre>';
foreach ($_dompdf_warnings as $msg) {
echo $msg . "\n";
}
echo $this->get_canvas()->get_cpdf()->messages;
echo '</pre>';
flush();
}
$this->restore_locale();
}
/**
* Renders the HTML to PDF
*/
function render()
{
$this->save_locale();
if (DOMPDF_LOG_OUTPUT_FILE) {
if (!file_exists(DOMPDF_LOG_OUTPUT_FILE) && is_writable(dirname(DOMPDF_LOG_OUTPUT_FILE))) {
touch(DOMPDF_LOG_OUTPUT_FILE);
}
$this->_start_time = microtime(true);
ob_start();
}
//enable_mem_profile();
$this->_process_html();
$this->_css->apply_styles($this->_tree);
$root = null;
foreach ($this->_tree->get_frames() as $frame) {
// Set up the root frame
if (is_null($root)) {
$root = Frame_Factory::decorate_root($this->_tree->get_root(), $this);
continue;
}
// Create the appropriate decorators, reflowers & positioners.
$deco = Frame_Factory::decorate_frame($frame, $this);
$deco->set_root($root);
// FIXME: handle generated content
if ($frame->get_style()->display === "list-item") {
// Insert a list-bullet frame
$node = $this->_xml->createElement("bullet");
// arbitrary choice
$b_f = new Frame($node);
$parent_node = $frame->get_parent()->get_node();
if (!$parent_node->hasAttribute("dompdf-children-count")) {
$count = 0;
foreach ($parent_node->childNodes as $_node) {
if ($_node instanceof DOMElement) {
$count++;
}
}
$parent_node->setAttribute("dompdf-children-count", $count);
}
$index = 0;
if (!$parent_node->hasAttribute("dompdf-counter")) {
$index = 1;
$parent_node->setAttribute("dompdf-counter", 1);
} else {
$index = $parent_node->getAttribute("dompdf-counter");
$index++;
$parent_node->setAttribute("dompdf-counter", $index);
}
$node->setAttribute("dompdf-counter", $index);
$style = $this->_css->create_style();
$style->display = "-dompdf-list-bullet";
$style->inherit($frame->get_style());
$b_f->set_style($style);
$deco->prepend_child(Frame_Factory::decorate_frame($b_f, $this));
}
}
$page_styles = $this->_css->get_page_styles();
$base_page_style = $page_styles["base"];
unset($page_styles["base"]);
foreach ($page_styles as $_page_style) {
$_page_style->inherit($base_page_style);
}
if (is_array($base_page_style->size)) {
$this->set_paper(array(0, 0, $base_page_style->size[0], $base_page_style->size[1]));
}
$this->_pdf = Canvas_Factory::get_instance($this->_paper_size, $this->_paper_orientation);
// Add meta information
$title = $this->_xml->getElementsByTagName("title");
if ($title->length) {
$this->_pdf->add_info("Title", trim($title->item(0)->nodeValue));
}
$metas = $this->_xml->getElementsByTagName("meta");
$labels = array("author" => "Author", "keywords" => "Keywords", "description" => "Subject");
foreach ($metas as $meta) {
$name = mb_strtolower($meta->getAttribute("name"));
$value = trim($meta->getAttribute("content"));
if (isset($labels[$name])) {
$this->_pdf->add_info($labels[$name], $value);
continue;
}
if ($name === "dompdf.view" && $this->parse_default_view($value)) {
$this->_pdf->set_default_view($this->_default_view, $this->_default_view_options);
}
}
$root->set_containing_block(0, 0, $this->_pdf->get_width(), $this->_pdf->get_height());
$root->set_renderer(new Renderer($this));
// This is where the magic happens:
$root->reflow();
// Clean up cached images
Image_Cache::clear();
global $_dompdf_warnings, $_dompdf_show_warnings;
if ($_dompdf_show_warnings) {
echo '<b>DOMPDF Warnings</b><br><pre>';
foreach ($_dompdf_warnings as $msg) {
echo $msg . "\n";
}
echo $this->get_canvas()->get_cpdf()->messages;
echo '</pre>';
flush();
}
$this->restore_locale();
}
/**
* Unlink all cached images (i.e. temporary images either downloaded
* or converted)
*/
static function clear() {
if ( empty(self::$_cache) || DEBUGKEEPTEMP ) return;
foreach ( self::$_cache as $file ) {
if (DEBUGPNG) print "[clear unlink $file]";
unlink($file);
}
self::$_cache = array();
}
/**
* Renders the HTML to PDF
*/
function render()
{
$this->save_locale();
$log_output_file = $this->get_option("log_output_file");
if ($log_output_file) {
if (!file_exists($log_output_file) && is_writable(dirname($log_output_file))) {
touch($log_output_file);
}
$this->_start_time = microtime(true);
ob_start();
}
//enable_mem_profile();
$this->_process_html();
$this->_css->apply_styles($this->_tree);
// @page style rules : size, margins
$page_styles = $this->_css->get_page_styles();
$base_page_style = $page_styles["base"];
unset($page_styles["base"]);
foreach ($page_styles as $_page_style) {
$_page_style->inherit($base_page_style);
}
if (is_array($base_page_style->size)) {
$this->set_paper(array(0, 0, $base_page_style->size[0], $base_page_style->size[1]));
}
$this->_pdf = Canvas_Factory::get_instance($this, $this->_paper_size, $this->_paper_orientation);
Font_Metrics::init($this->_pdf);
if ($this->get_option("enable_font_subsetting") && $this->_pdf instanceof CPDF_Adapter) {
foreach ($this->_tree->get_frames() as $frame) {
$style = $frame->get_style();
$node = $frame->get_node();
// Handle text nodes
if ($node->nodeName === "#text") {
$this->_pdf->register_string_subset($style->font_family, $node->nodeValue);
continue;
}
// Handle generated content (list items)
if ($style->display === "list-item") {
$chars = List_Bullet_Renderer::get_counter_chars($style->list_style_type);
$this->_pdf->register_string_subset($style->font_family, $chars);
continue;
}
// Handle other generated content (pseudo elements)
// FIXME: This only captures the text of the stylesheet declaration,
// not the actual generated content, and forces all possible counter
// values. See notes in issue #750.
if ($frame->get_node()->nodeName == "dompdf_generated") {
// all possible counter values
$chars = List_Bullet_Renderer::get_counter_chars('decimal');
$this->_pdf->register_string_subset($style->font_family, $chars);
$chars = List_Bullet_Renderer::get_counter_chars('upper-alpha');
$this->_pdf->register_string_subset($style->font_family, $chars);
$chars = List_Bullet_Renderer::get_counter_chars('lower-alpha');
$this->_pdf->register_string_subset($style->font_family, $chars);
$chars = List_Bullet_Renderer::get_counter_chars('lower-greek');
$this->_pdf->register_string_subset($style->font_family, $chars);
// the text of the stylesheet declaration
$this->_pdf->register_string_subset($style->font_family, $style->content);
continue;
}
}
}
$root = null;
foreach ($this->_tree->get_frames() as $frame) {
// Set up the root frame
if (is_null($root)) {
$root = Frame_Factory::decorate_root($this->_tree->get_root(), $this);
continue;
}
// Create the appropriate decorators, reflowers & positioners.
Frame_Factory::decorate_frame($frame, $this, $root);
}
// Add meta information
$title = $this->_xml->getElementsByTagName("title");
if ($title->length) {
$this->_pdf->add_info("Title", trim($title->item(0)->nodeValue));
}
$metas = $this->_xml->getElementsByTagName("meta");
$labels = array("author" => "Author", "keywords" => "Keywords", "description" => "Subject");
foreach ($metas as $meta) {
$name = mb_strtolower($meta->getAttribute("name"));
$value = trim($meta->getAttribute("content"));
if (isset($labels[$name])) {
$this->_pdf->add_info($labels[$name], $value);
continue;
}
if ($name === "dompdf.view" && $this->parse_default_view($value)) {
$this->_pdf->set_default_view($this->_default_view, $this->_default_view_options);
}
}
$root->set_containing_block(0, 0, $this->_pdf->get_width(), $this->_pdf->get_height());
$root->set_renderer(new Renderer($this));
// This is where the magic happens:
$root->reflow();
// Clean up cached images
Image_Cache::clear();
global $_dompdf_warnings, $_dompdf_show_warnings;
if ($_dompdf_show_warnings) {
echo '<b>DOMPDF Warnings</b><br><pre>';
foreach ($_dompdf_warnings as $msg) {
echo $msg . "\n";
}
echo $this->get_canvas()->get_cpdf()->messages;
echo '</pre>';
flush();
}
$this->restore_locale();
}
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();
$alt = null;
if ( Image_Cache::is_broken($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 (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
$this->_debug_layout($frame->get_border_box(), "blue");
if (DEBUG_LAYOUT_PADDINGBOX) {
$this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
}
}
}
/**
* Convert a GIF or BMP image to a PNG image
*
* @param string $image_url
* @param integer $type
*
* @throws DOMPDF_Exception
* @return string The url of the newly converted image
*/
protected function _convert_gif_bmp_to_png($image_url, $type)
{
$image_type = Image_Cache::type_to_ext($type);
$func_name = "imagecreatefrom{$image_type}";
if (!function_exists($func_name)) {
throw new DOMPDF_Exception("Function {$func_name}() not found. Cannot convert {$image_type} image: {$image_url}. Please install the image PHP extension.");
}
set_error_handler("record_warnings");
$im = $func_name($image_url);
if ($im) {
imageinterlace($im, false);
$tmp_dir = $this->_dompdf->get_option("temp_dir");
$tmp_name = tempnam($tmp_dir, "{$image_type}dompdf_img_");
@unlink($tmp_name);
$filename = "{$tmp_name}.png";
$this->_image_cache[] = $filename;
imagepng($im, $filename);
imagedestroy($im);
} else {
$filename = Image_Cache::$broken_image;
}
restore_error_handler();
return $filename;
}
function image($img_url, $x, $y, $w, $h, $resolution = "normal")
{
$img_type = Image_Cache::detect_type($img_url);
$img_ext = Image_Cache::type_to_ext($img_type);
if (!$img_ext) {
return;
}
$func = "imagecreatefrom{$img_ext}";
$src = @$func($img_url);
if (!$src) {
return;
}
$x *= $this->_aa_factor;
$y *= $this->_aa_factor;
$w *= $this->_aa_factor;
$h *= $this->_aa_factor;
$img_w = imagesx($src);
$img_h = imagesy($src);
imagecopyresampled($this->_img, $src, $x, $y, 0, 0, $w, $h, $img_w, $img_h);
}
