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<?php
/*
Phoronix Test Suite
URLs: http://www.phoronix.com, http://www.phoronix-test-suite.com/
Copyright (C) 2008, Phoronix Media
Copyright (C) 2008, Michael Larabel
bilde_svg_renderer: The SVG rendering implementation for bilde_renderer
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class bilde_svg_renderer extends bilde_renderer
{
public function __construct($width, $height, $embed_identifiers = null)
{
$this->image_width = $width;
$this->image_height = $height;
$this->embed_identifiers = $embed_identifiers;
}
public function resize_image($width, $height)
{
$this->image_width = $width;
$this->image_height = $height;
}
public function render_image($output_file = null, $quality = 100)
{
// $quality is unused with SVG files
$svg_image = "<?xml version=\"1.0\"?>\n<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n";
if(is_array($this->embed_identifiers))
{
foreach($this->embed_identifiers as $key => $value)
{
$svg_image .= "<!-- " . $key . ": " . $value . " -->\n";
}
}
$svg_image .= "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" viewbox=\"0 0 " . $this->image_width . " " . $this->image_height . "\" width=\"" . $this->image_width . "\" height=\"" . $this->image_height . "\">\n\n";
$svg_image .= $this->image . "\n\n</svg>";
return $output_file != null && @file_put_contents($output_file, $svg_image);
}
public function destroy_image()
{
$this->image = "";
}
public function write_text_left($text_string, $font_type, $font_size, $font_color, $bound_x1, $bound_y1, $bound_x2, $bound_y2, $rotate_text = false)
{
$text_dimensions = $this->text_string_dimensions($text_string, $font_type, $font_size);
$text_width = $text_dimensions[0];
$text_height = $text_dimensions[1];
if($rotate_text == false)
{
$text_x = $bound_x1;
$text_y = $bound_y1 + round($text_height / 2);
$rotation = 0;
}
else
{
$text_x = $bound_x1 - round($text_height / 4);
$text_y = $bound_y1 + round($text_height / 2);
$rotation = 270;
}
$this->write_svg_text($text_string, $font_type, $font_size, $font_color, $text_x, $text_y, $rotation, "LEFT");
}
public function write_text_right($text_string, $font_type, $font_size, $font_color, $bound_x1, $bound_y1, $bound_x2, $bound_y2, $rotate_text = false)
{
$text_dimensions = $this->text_string_dimensions($text_string, $font_type, $font_size);
$text_width = $text_dimensions[0];
$text_height = $text_dimensions[1];
$bound_x1 -= 2;
$bound_x2 -= 2;
if($rotate_text == false)
{
$rotation = 0;
}
else
{
$rotation = 90;
}
$text_x = $bound_x2 - $text_width;
$text_y = $bound_y1 + round($text_height / 2);
$this->write_svg_text($text_string, $font_type, $font_size, $font_color, $text_x, $text_y, $rotation, "RIGHT");
}
public function write_text_center($text_string, $font_type, $font_size, $font_color, $bound_x1, $bound_y1, $bound_x2, $bound_y2, $rotate_text = false)
{
$text_dimensions = $this->text_string_dimensions(strtoupper($text_string), $font_type, $font_size);
$text_height = $text_dimensions[1];
$text_dimensions = $this->text_string_dimensions($text_string, $font_type, $font_size);
$text_width = $text_dimensions[0];
if($rotate_text == false)
{
$rotation = 0;
$text_x = (($bound_x2 - $bound_x1) / 2) + $bound_x1 - round($text_width / 2);
$text_y = $bound_y1 + $text_height;
}
else
{
$rotation = 90;
$text_x = $bound_x1 + $text_height;
$text_y = (($bound_y2 - $bound_y1) / 2) + $bound_y1 + round($text_width / 2);
}
$this->write_svg_text($text_string, $font_type, $font_size, $font_color, $text_x, $text_y, $rotation, "CENTER");
}
public function draw_rectangle($x1, $y1, $width, $height, $background_color)
{
$width = $width - $x1;
$height = $height - $y1;
if($width < 0)
{
$x1 += $width;
}
if($height < 0)
{
$y1 += $height;
}
$this->image .= "<rect x=\"" . round($x1) . "\" y=\"" . round($y1) . "\" width=\"" . abs(round($width)) . "\" height=\"" . abs(round($height)) . "\" fill=\"" . $background_color . "\" />\n";
}
public function draw_rectangle_border($x1, $y1, $width, $height, $border_color)
{
$this->image .= "<rect x=\"" . round($x1) . "\" y=\"" . round($y1) . "\" width=\"" . round($width - $x1) . "\" height=\"" . round($height - $y1) . "\" fill=\"transparent\" stroke=\"" . $border_color . "\" stroke-width=\"1px\" />\n";
}
public function draw_polygon($points, $body_color, $border_color = null, $border_width = 0)
{
$point_pairs = array();
$this_pair = array();
foreach($points as $one_point)
{
array_push($this_pair, $one_point);
if(count($this_pair) == 2)
{
$pair = implode(",", $this_pair);
array_push($point_pairs, $pair);
$this_pair = array();
}
}
$this->image .= "<polygon fill=\"" . $body_color . "\" stroke=\"" . $border_color . "\" stroke-width=\"" . $border_width . "\" points=\"" . implode(" ", $point_pairs) . "\" />";
}
public function draw_ellipse($center_x, $center_y, $width, $height, $body_color, $border_color = null, $border_width = 0)
{
$this->image .= "<ellipse cx=\"" . $center_x . "\" cy=\"" . $center_y . "\" rx=\"" . floor($width / 2) . "\" ry=\"" . floor($height / 2) . "\" stroke=\"" . $border_color . "\" stroke-width=\"" . $border_width . "\" />";
}
public function draw_line($start_x, $start_y, $end_x, $end_y, $color, $line_width = 1)
{
$this->image .= "<line x1=\"" . round($start_x) . "\" y1=\"" . round($start_y) . "\" x2=\"" . round($end_x) . "\" y2=\"" . round($end_y) . "\" stroke=\"" . $color . "\" stroke-width=\"" . $line_width . "px\" />\n";
}
public function png_image_to_type($file)
{
return false;
}
public function jpg_image_to_type($file)
{
return false;
}
public function image_copy_merge($source_image_object, $to_x, $to_y, $source_x = 0, $source_y = 0, $width = -1, $height = -1)
{
return null;
}
public function convert_hex_to_type($hex)
{
return $hex;
}
public function text_string_dimensions($string, $font_type, $font_size, $predefined_string = false)
{
return array(0, 0); // TODO: implement
}
// Privates
private function write_svg_text($string, $font_type, $font_size, $font_color, $text_x, $text_y, $rotation, $orientation = "LEFT")
{
$font_size += 1.5;
$baseline = "middle";
if($rotation != 0)
{
$text_y = (0 - ($text_y / 2));
$text_x = $text_y + 5;
}
switch($orientation)
{
case "CENTER":
$text_anchor = "middle";
$baseline = "text-before-edge";
break;
case "RIGHT":
$text_anchor = "end";
break;
case "LEFT":
default:
$text_anchor = "start";
break;
}
// TODO: Implement $font_type through style="font-family: $font;"
$this->image .= "<text x=\"" . round($text_x) . "\" y=\"" . round($text_y) . "\" fill=\"" . $font_color . "\" transform=\"rotate(" . (360 - $rotation) . ", " . $rotation . ", 0)\" font-size=\"" . $font_size . "\" text-anchor=\"" . $text_anchor . "\" dominant-baseline=\"" . $baseline . "\">" . $string . "</text>\n";
}
}
?>
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