version 1.270, 2005/05/17 23:11:59
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version 1.271, 2005/05/17 23:27:25
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Line 3766 sub image_replication {
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Line 3766 sub image_replication {
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} |
} |
return ''; |
return ''; |
} |
} |
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# |
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# Get correct sizing parameter for an image given |
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# it's initial ht. and wid. This allows sizing of |
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# images that are generated on-the-fly (e.g. gnuplot) |
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# as well as serving as a utility for image_size. |
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# |
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# Parameter: |
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# height_param |
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# width_param - Initial picture dimensions. |
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# scaling - A scale factor. |
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# parstack, |
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# safeeval, |
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# depth, |
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# cis - The usual xml stuff ??? |
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# |
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# Returns: |
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# height, width - new dimensions. |
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# |
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sub resize_image { |
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my ($height_param, $width_param, $scaling, |
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$parstack, $safeeval, $depth, $cis) = @_; |
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sub image_size { |
# First apply the scaling... |
my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_; |
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$height_param = $height_param * $scaling; |
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$width_param = $width_param * $scaling; |
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#size of image from gif/jpg/jpeg/png |
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my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
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if (-e $ressrc) { |
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$src = $ressrc; |
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} |
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my $image = Image::Magick->new; |
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my $current_figure = $image->Read($src); |
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my $width_param = $image->Get('width') * $scaling;; |
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my $height_param = $image->Get('height') * $scaling; |
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&Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param"); |
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undef($image); |
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#do we have any specified LaTeX size of the picture? |
#do we have any specified LaTeX size of the picture? |
my $toget='TeXwidth'; |
my $toget='TeXwidth'; |
if ($cis) { |
if ($cis) { |
Line 3825 sub image_size {
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Line 3837 sub image_size {
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$height_param=$width_param/$old_width_param*$height_param; |
$height_param=$width_param/$old_width_param*$height_param; |
} |
} |
} |
} |
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return ($height_param, $width_param); |
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} |
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sub image_size { |
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my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_; |
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#size of image from gif/jpg/jpeg/png |
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my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); |
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if (-e $ressrc) { |
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$src = $ressrc; |
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} |
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my $image = Image::Magick->new; |
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my $current_figure = $image->Read($src); |
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my $width_param = $image->Get('width'); |
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my $height_param = $image->Get('height'); |
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&Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param"); |
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undef($image); |
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($height_param, $width_param) = &resize_image($height_param, $width_param, |
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$scaling, $parstack, $safeeval, |
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$depth, $cis); |
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return ($height_param, $width_param); |
return ($height_param, $width_param); |
} |
} |
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