Viewing file:  SurfaceCpdf.php (13.1 KB) -rwxr-xr-x
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<?php
/**
* @package php-svg-lib
* @link http://github.com/PhenX/php-svg-lib
* @author Fabien M�nager <fabien.menager@gmail.com>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Svg\Surface;
use Svg\Document;
use Svg\Style;
class SurfaceCpdf implements SurfaceInterface
{
const DEBUG = false;
/** @var \CPdf\CPdf */
private $canvas;
private $width;
private $height;
/** @var Style */
private $style;
public function __construct(Document $doc, $canvas = null)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$dimensions = $doc->getDimensions();
$w = $dimensions["width"];
$h = $dimensions["height"];
if (!$canvas) {
$canvas = new \CPdf\CPdf(array(0, 0, $w, $h));
$refl = new \ReflectionClass($canvas);
$canvas->fontcache = realpath(dirname($refl->getFileName()) . "/../../fonts/")."/";
}
// Flip PDF coordinate system so that the origin is in
// the top left rather than the bottom left
$canvas->transform(array(
1, 0,
0, -1,
0, $h
));
$this->width = $w;
$this->height = $h;
$this->canvas = $canvas;
}
function out()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
return $this->canvas->output();
}
public function save()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->save();
}
public function restore()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->restore();
}
public function scale($x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->transform($x, 0, 0, $y, 0, 0);
}
public function rotate($angle)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$a = deg2rad($angle);
$cos_a = cos($a);
$sin_a = sin($a);
$this->transform(
$cos_a, $sin_a,
-$sin_a, $cos_a,
0, 0
);
}
public function translate($x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->transform(
1, 0,
0, 1,
$x, $y
);
}
public function transform($a, $b, $c, $d, $e, $f)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->transform(array($a, $b, $c, $d, $e, $f));
}
public function beginPath()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
// TODO: Implement beginPath() method.
}
public function closePath()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->closePath();
}
public function fillStroke()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->fillStroke();
}
public function clip()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->clip();
}
public function fillText($text, $x, $y, $maxWidth = null)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->addText($x, $y, $this->style->fontSize, $text);
}
public function strokeText($text, $x, $y, $maxWidth = null)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->addText($x, $y, $this->style->fontSize, $text);
}
public function drawImage($image, $sx, $sy, $sw = null, $sh = null, $dx = null, $dy = null, $dw = null, $dh = null)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
if (strpos($image, "data:") === 0) {
$parts = explode(',', $image, 2);
$data = $parts[1];
$base64 = false;
$token = strtok($parts[0], ';');
while ($token !== false) {
if ($token == 'base64') {
$base64 = true;
}
$token = strtok(';');
}
if ($base64) {
$data = base64_decode($data);
}
}
else {
$data = file_get_contents($image);
}
$image = tempnam("", "svg");
file_put_contents($image, $data);
$img = $this->image($image, $sx, $sy, $sw, $sh, "normal");
unlink($image);
}
public static function getimagesize($filename)
{
static $cache = array();
if (isset($cache[$filename])) {
return $cache[$filename];
}
list($width, $height, $type) = getimagesize($filename);
if ($width == null || $height == null) {
$data = file_get_contents($filename, null, null, 0, 26);
if (substr($data, 0, 2) === "BM") {
$meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data);
$width = (int)$meta['width'];
$height = (int)$meta['height'];
$type = IMAGETYPE_BMP;
}
}
return $cache[$filename] = array($width, $height, $type);
}
function image($img, $x, $y, $w, $h, $resolution = "normal")
{
list($width, $height, $type) = $this->getimagesize($img);
switch ($type) {
case IMAGETYPE_JPEG:
$this->canvas->addJpegFromFile($img, $x, $y - $h, $w, $h);
break;
case IMAGETYPE_GIF:
case IMAGETYPE_BMP:
// @todo use cache for BMP and GIF
$img = $this->_convert_gif_bmp_to_png($img, $type);
case IMAGETYPE_PNG:
$this->canvas->addPngFromFile($img, $x, $y - $h, $w, $h);
break;
default:
}
}
public function lineTo($x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->lineTo($x, $y);
}
public function moveTo($x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->moveTo($x, $y);
}
public function quadraticCurveTo($cpx, $cpy, $x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
// FIXME not accurate
$this->canvas->quadTo($cpx, $cpy, $x, $y);
}
public function bezierCurveTo($cp1x, $cp1y, $cp2x, $cp2y, $x, $y)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->curveTo($cp1x, $cp1y, $cp2x, $cp2y, $x, $y);
}
public function arcTo($x1, $y1, $x2, $y2, $radius)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
}
public function arc($x, $y, $radius, $startAngle, $endAngle, $anticlockwise = false)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->ellipse($x, $y, $radius, $radius, 0, 8, $startAngle, $endAngle, false, false, false, true);
}
public function circle($x, $y, $radius)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->ellipse($x, $y, $radius, $radius, 0, 8, 0, 360, true, false, false, false);
}
public function ellipse($x, $y, $radiusX, $radiusY, $rotation, $startAngle, $endAngle, $anticlockwise)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->ellipse($x, $y, $radiusX, $radiusY, 0, 8, 0, 360, false, false, false, false);
}
public function fillRect($x, $y, $w, $h)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->rect($x, $y, $w, $h);
$this->fill();
}
public function rect($x, $y, $w, $h, $rx = 0, $ry = 0)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$canvas = $this->canvas;
if ($rx <= 0.000001/* && $ry <= 0.000001*/) {
$canvas->rect($x, $y, $w, $h);
return;
}
$rx = min($rx, $w / 2);
$rx = min($rx, $h / 2);
/* Define a path for a rectangle with corners rounded by a given radius.
* Start from the lower left corner and proceed counterclockwise.
*/
$this->moveTo($x + $rx, $y);
/* Start of the arc segment in the lower right corner */
$this->lineTo($x + $w - $rx, $y);
/* Arc segment in the lower right corner */
$this->arc($x + $w - $rx, $y + $rx, $rx, 270, 360);
/* Start of the arc segment in the upper right corner */
$this->lineTo($x + $w, $y + $h - $rx );
/* Arc segment in the upper right corner */
$this->arc($x + $w - $rx, $y + $h - $rx, $rx, 0, 90);
/* Start of the arc segment in the upper left corner */
$this->lineTo($x + $rx, $y + $h);
/* Arc segment in the upper left corner */
$this->arc($x + $rx, $y + $h - $rx, $rx, 90, 180);
/* Start of the arc segment in the lower left corner */
$this->lineTo($x , $y + $rx);
/* Arc segment in the lower left corner */
$this->arc($x + $rx, $y + $rx, $rx, 180, 270);
}
public function fill()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->fill();
}
public function strokeRect($x, $y, $w, $h)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->rect($x, $y, $w, $h);
$this->stroke();
}
public function stroke()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->stroke();
}
public function endPath()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->canvas->endPath();
}
public function measureText($text)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$style = $this->getStyle();
$this->setFont($style->fontFamily, $style->fontStyle, $style->fontWeight);
return $this->canvas->getTextWidth($this->getStyle()->fontSize, $text);
}
public function getStyle()
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
return $this->style;
}
public function setStyle(Style $style)
{
if (self::DEBUG) echo __FUNCTION__ . "\n";
$this->style = $style;
$canvas = $this->canvas;
if ($stroke = $style->stroke) {
$canvas->setStrokeColor(array($stroke[0]/255, $stroke[1]/255, $stroke[2]/255), true);
}
if ($fill = $style->fill) {
$canvas->setColor(array($fill[0]/255, $fill[1]/255, $fill[2]/255), true);
}
if ($fillRule = strtolower($style->fillRule)) {
$canvas->setFillRule($fillRule);
}
$opacity = $style->opacity;
if ($opacity !== null && $opacity < 1.0) {
$canvas->setLineTransparency("Normal", $opacity);
$canvas->currentLineTransparency = null;
$canvas->setFillTransparency("Normal", $opacity);
$canvas->currentFillTransparency = null;
}
else {
$fillOpacity = $style->fillOpacity;
if ($fillOpacity !== null && $fillOpacity < 1.0) {
$canvas->setFillTransparency("Normal", $fillOpacity);
$canvas->currentFillTransparency = null;
}
$strokeOpacity = $style->strokeOpacity;
if ($strokeOpacity !== null && $strokeOpacity < 1.0) {
$canvas->setLineTransparency("Normal", $strokeOpacity);
$canvas->currentLineTransparency = null;
}
}
$dashArray = null;
if ($style->strokeDasharray) {
$dashArray = preg_split('/\s*,\s*/', $style->strokeDasharray);
}
$canvas->setLineStyle(
$style->strokeWidth,
$style->strokeLinecap,
$style->strokeLinejoin,
$dashArray
);
$this->setFont($style->fontFamily, $style->fontStyle, $style->fontWeight);
}
public function setFont($family, $style, $weight)
{
$map = array(
"serif" => "Times",
"sans-serif" => "Helvetica",
"fantasy" => "Symbol",
"cursive" => "Times",
"monospace" => "Courier",
"arial" => "Helvetica",
"verdana" => "Helvetica",
);
$styleMap = array(
'Helvetica' => array(
'b' => 'Helvetica-Bold',
'i' => 'Helvetica-Oblique',
'bi' => 'Helvetica-BoldOblique',
),
'Courier' => array(
'b' => 'Courier-Bold',
'i' => 'Courier-Oblique',
'bi' => 'Courier-BoldOblique',
),
'Times' => array(
'' => 'Times-Roman',
'b' => 'Times-Bold',
'i' => 'Times-Italic',
'bi' => 'Times-BoldItalic',
),
);
$family = strtolower($family);
$style = strtolower($style);
$weight = strtolower($weight);
if (isset($map[$family])) {
$family = $map[$family];
}
if (isset($styleMap[$family])) {
$key = "";
if ($weight === "bold" || $weight === "bolder" || (is_numeric($weight) && $weight >= 600)) {
$key .= "b";
}
if ($style === "italic" || $style === "oblique") {
$key .= "i";
}
if (isset($styleMap[$family][$key])) {
$family = $styleMap[$family][$key];
}
}
$this->canvas->selectFont("$family.afm");
}
}
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