Image map image preview creator. More...
Public Member Functions | |
| ilImagemapPreview ($imagemap_filename="") | |
| ilImagemapPreview constructor | |
| getAreaCount () | |
| getPointCount () | |
| addArea ($index, $shape, $coords, $title="", $href="", $target="", $visible=true, $linecolor="red", $bordercolor="white", $fillcolor="\"#FFFFFFA0\"") | |
| addPoint ($index, $coords, $visible=true, $linecolor="red", $bordercolor="white", $fillcolor="\"#FFFFFFA0\"") | |
| getAreaIdent () | |
| createPreview () | |
| getPreviewFilename ($imagePath, $baseFileName) | |
| getImagemap ($title) | |
| get imagemap html code note: html code should be placed in template files | |
Data Fields | |
| $imagemap_filename | |
| $preview_filename | |
| $areas | |
| $points | |
| $linewidth_outer | |
| $linewidth_inner | |
| $lng | |
Detailed Description
Image map image preview creator.
Takes an image and imagemap areas and creates a preview image containing the imagemap areas.
- Version:
- Id:
- class.ilImagemapPreview.php 18442 2009-01-13 14:07:32Z hschottm
Definition at line 36 of file class.ilImagemapPreview.php.
Member Function Documentation
| ilImagemapPreview::addArea | ( | $ | index, | |
| $ | shape, | |||
| $ | coords, | |||
| $ | title = "", |
|||
| $ | href = "", |
|||
| $ | target = "", |
|||
| $ | visible = true, |
|||
| $ | linecolor = "red", |
|||
| $ | bordercolor = "white", |
|||
| $ | fillcolor = "\"#FFFFFFA0\"" | |||
| ) |
Definition at line 86 of file class.ilImagemapPreview.php.
{
if (ini_get("safe_mode"))
{
if ((strpos($fillcolor, "#") !== false) ||Â (strpos($fillcolor, "rgb") !== false))
{
$fillcolor = str_replace("\"", "", $fillcolor);
}
}
$this->areas[$index] = array(
"shape" => "$shape",
"coords" => "$coords",
"title" => "$title",
"href" => "$href",
"target" => "$target",
"linecolor" => "$linecolor",
"fillcolor" => "$fillcolor",
"bordercolor" => "$bordercolor",
"visible" => (int)$visible
);
}
| ilImagemapPreview::addPoint | ( | $ | index, | |
| $ | coords, | |||
| $ | visible = true, |
|||
| $ | linecolor = "red", |
|||
| $ | bordercolor = "white", |
|||
| $ | fillcolor = "\"#FFFFFFA0\"" | |||
| ) |
Definition at line 119 of file class.ilImagemapPreview.php.
{
$this->points[$index] = array(
"coords" => "$coords",
"linecolor" => "$linecolor",
"bordercolor" => "$bordercolor",
"fillcolor" => "$fillcolor",
"visible" => (int)$visible
);
}
| ilImagemapPreview::createPreview | ( | ) |
Definition at line 151 of file class.ilImagemapPreview.php.
References $x, ilUtil::escapeShellCmd(), and ilUtil::getConvertCmd().
{
if (count($this->areas)+count($this->points)==0) return;
include_once "./Services/Utilities/classes/class.ilUtil.php";
$convert_prefix = ilUtil::getConvertCmd() . " -quality 100 ";
foreach ($this->points as $point)
{
if ($point["visible"])
{
preg_match("/(\d+)\s*,\s*(\d+)/", $point["coords"], $matches);
$x = $matches[1];
$y = $matches[2];
$r = 6;
// draw a circle at the point
$convert_cmd .= "-stroke " . $point["bordercolor"] . " -fill " . $point["fillcolor"] . " -strokewidth $this->linewidth_outer -draw \"line " .
($x-$r) . "," . ($y-$r) . " " . ($x+$r) . "," . ($y+$r) . "\" " .
"-stroke " . $point["bordercolor"] . " -fill " . $point["fillcolor"] . " -strokewidth $this->linewidth_outer -draw \"line " .
($x+$r) . "," . ($y-$r) . " " . ($x-$r) . "," . ($y+$r) . "\" " .
"-stroke " . $point["linecolor"] . " -fill " . $point["fillcolor"] . " -strokewidth $this->linewidth_inner -draw \"line " .
($x-$r) . "," . ($y-$r) . " " . ($x+$r) . "," . ($y+$r) . "\" " .
"-stroke " . $point["linecolor"] . " -fill " . $point["fillcolor"] . " -strokewidth $this->linewidth_inner -draw \"line " .
($x+$r) . "," . ($y-$r) . " " . ($x-$r) . "," . ($y+$r) . "\" ";
}
}
foreach ($this->areas as $area)
{
if ($area["visible"] and strcmp(strtolower($area["shape"]), "rect") == 0)
{
preg_match("/(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)/", $area["coords"], $matches);
$x0 = $matches[1];
$y0 = $matches[2];
$x1 = $matches[3];
$y1 = $matches[4];
// draw a rect around the selection
$convert_cmd .= "-stroke " . $area["bordercolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_outer -draw \"rectangle " .
$x0 . "," . $y0 . " " . ($x1) . "," . $y1 . "\" " .
"-stroke " . $area["linecolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_inner -draw \"rectangle " .
$x0 . "," . $y0 . " " . ($x1) . "," . $y1 . "\" ";
}
else if ($area["visible"] and strcmp(strtolower($area["shape"]), "circle") == 0)
{
preg_match("/(\d+)\s*,\s*(\d+)\s*,\s*(\d+)/", $area["coords"], $matches);
$x = $matches[1];
$y = $matches[2];
$r = $matches[3];
// draw a circle around the selection
$convert_cmd .= "-stroke " . $area["bordercolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_outer -draw \"circle " .
$x . "," . $y . " " . ($x+$r) . "," . $y . "\" " .
"-stroke " . $area["linecolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_inner -draw \"circle " .
$x . "," . $y . " " . ($x+$r) . "," . $y . "\" ";
}
else if ($area["visible"] and strcmp(strtolower($area["shape"]), "poly") == 0)
{
$obj = "polygon";
// draw a polygon around the selection
preg_match_all("/(\d+)\s*,\s*(\d+)/", $area["coords"], $matches, PREG_PATTERN_ORDER);
if (count($matches[0]) == 2) $obj = "line";
$convert_cmd .= "-stroke " . $area["bordercolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_outer -draw \"$obj ";
for ($i = 0; $i < count($matches[0]); $i++)
{
$convert_cmd .= $matches[1][$i] . "," . $matches[2][$i] . " ";
}
$convert_cmd .= "\" ";
$convert_cmd .= "-stroke " . $area["linecolor"] . " -fill " . $area["fillcolor"] . " -strokewidth $this->linewidth_inner -draw \"$obj ";
preg_match_all("/(\d+)\s*,\s*(\d+)/", $area["coords"], $matches, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($matches[0]); $i++)
{
$convert_cmd .= $matches[1][$i] . "," . $matches[2][$i] . " ";
}
$convert_cmd .= "\" ";
}
}
$source = ilUtil::escapeShellCmd($this->imagemap_filename);
$target = ilUtil::escapeShellCmd($this->preview_filename);
$convert_cmd = $convert_prefix . $convert_cmd . $source ." " . $target;
system($convert_cmd);
}
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| ilImagemapPreview::getAreaCount | ( | ) |
Definition at line 76 of file class.ilImagemapPreview.php.
{
return count($this->areas);
}
| ilImagemapPreview::getAreaIdent | ( | ) |
Definition at line 137 of file class.ilImagemapPreview.php.
Referenced by getPreviewFilename().
{
if (count($this->areas)+count($this->points) > 0)
{
$arr = array_merge(array_keys($this->areas), array_keys($this->points));
sort($arr, SORT_NUMERIC);
return "preview_" . join("_", $arr) . "_";
}
else
{
return "";
}
}
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| ilImagemapPreview::getImagemap | ( | $ | title | ) |
get imagemap html code note: html code should be placed in template files
Definition at line 269 of file class.ilImagemapPreview.php.
{
$map = "<map name=\"$title\"> ";
foreach ($this->areas as $area)
{
$map .= "<area alt=\"" . $area["title"] . "\" title=\"" . $area["title"] . "\" ";
$map .= "shape=\"" . $area["shape"] . "\" ";
$map .= "coords=\"" . $area["coords"] . "\" ";
if ($area["href"])
{
$map .= "href=\"" . $area["href"] . "\" ";
if ($area["target"])
{
$map .= "target=\"" . $area["target"] . "\" ";
}
$map .= "/>\n";
}
else
{
$map .= "nohref />\n";
}
}
$map .= "</map>";
return $map;
}
| ilImagemapPreview::getPointCount | ( | ) |
Definition at line 81 of file class.ilImagemapPreview.php.
{
return count($this->points);
}
| ilImagemapPreview::getPreviewFilename | ( | $ | imagePath, | |
| $ | baseFileName | |||
| ) |
Definition at line 230 of file class.ilImagemapPreview.php.
References $filename, getAreaIdent(), and ilUtil::sendInfo().
{
$filename = $baseFileName;
if (count($this->areas)+count($this->points)>0)
{
$pfile = $this->preview_filename;
if (is_file($pfile))
{
$ident = $this->getAreaIdent();
$previewfile = $imagePath . $ident . $baseFileName;
if (@md5_file($previewfile) != @md5_file($pfile))
{
if (strlen($ident) > 0)
{
@copy($pfile, $previewfile);
}
}
@unlink($pfile);
if (strlen($pfile) == 0)
{
ilUtil::sendInfo($this->lng->txt("qpl_imagemap_preview_missing"));
}
else
{
$filename = basename($previewfile);
}
}
else
{
ilUtil::sendInfo($this->lng->txt("qpl_imagemap_preview_missing"));
}
}
return $filename;
}
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| ilImagemapPreview::ilImagemapPreview | ( | $ | imagemap_filename = "" |
) |
ilImagemapPreview constructor
Creates an instance of the ilImagemapPreview class
- Parameters:
-
integer $id The database id of a image map question object public
Definition at line 54 of file class.ilImagemapPreview.php.
References $imagemap_filename, $lng, $preview_filename, and ilUtil::ilTempnam().
{
global $lng;
$this->lng =& $lng;
$this->imagemap_filename = $imagemap_filename;
$this->preview_filename = $preview_filename;
if (!@is_file($this->preview_filename))
{
$extension = ".jpg";
if (preg_match("/.*\.(png|jpg|gif|jpeg)$/", $this->imagemap_filename, $matches))
{
$extension = "." . $matches[1];
}
include_once "./Services/Utilities/classes/class.ilUtil.php";
$this->preview_filename = ilUtil::ilTempnam() . $extension;
}
$this->areas = array();
$this->points = array();
$this->linewidth_outer = 4;
$this->linewidth_inner = 2;
}
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Field Documentation
| ilImagemapPreview::$areas |
Definition at line 40 of file class.ilImagemapPreview.php.
| ilImagemapPreview::$imagemap_filename |
Definition at line 38 of file class.ilImagemapPreview.php.
Referenced by ilImagemapPreview().
| ilImagemapPreview::$linewidth_inner |
Definition at line 43 of file class.ilImagemapPreview.php.
| ilImagemapPreview::$linewidth_outer |
Definition at line 42 of file class.ilImagemapPreview.php.
| ilImagemapPreview::$lng |
Definition at line 44 of file class.ilImagemapPreview.php.
Referenced by ilImagemapPreview().
| ilImagemapPreview::$points |
Definition at line 41 of file class.ilImagemapPreview.php.
| ilImagemapPreview::$preview_filename |
Definition at line 39 of file class.ilImagemapPreview.php.
Referenced by ilImagemapPreview().
The documentation for this class was generated from the following file:
- Modules/TestQuestionPool/classes/class.ilImagemapPreview.php
