}
add_link($params{page}, $image);
+ add_depends($params{page}, $image);
# optimisation: detect scan mode, and avoid generating the image
if (! defined wantarray) {
error gettext("Image::Magick is not installed") if $@;
my $im = Image::Magick->new;
my $imglink;
- my $r;
-
+ my $r = $im->Read($srcfile);
+ error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
+
my ($dwidth, $dheight);
if ($params{size} ne 'full') {
- add_depends($params{page}, $image);
-
my ($w, $h) = ($params{size} =~ /^(\d*)x(\d*)$/);
error sprintf(gettext('wrong size format "%s" (should be WxH)'), $params{size})
unless (defined $w && defined $h &&
(length $w || length $h));
-
- my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
- $imglink = "$dir/${w}x${h}-$base";
- will_render($params{page}, $imglink);
-
- if (-e $outfile && (-M $srcfile >= -M $outfile)) {
- $r = $im->Read($outfile);
- error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
+ if ((length $w && $w > $im->Get("width")) ||
+ (length $h && $h > $im->Get("height"))) {
+ # resizing larger
+ $imglink = $file;
+
+ # don't generate larger image, just set display size
+ if (length $w && length $h) {
+ ($dwidth, $dheight)=($w, $h);
+ }
+ # avoid division by zero on 0x0 image
+ elsif ($im->Get("width") == 0 || $im->Get("height") == 0) {
+ ($dwidth, $dheight)=(0, 0);
+ }
+ # calculate unspecified size from the other one, preserving
+ # aspect ratio
+ elsif (length $w) {
+ $dwidth=$w;
+ $dheight=$w / $im->Get("width") * $im->Get("height");
+ }
+ elsif (length $h) {
+ $dheight=$h;
+ $dwidth=$h / $im->Get("height") * $im->Get("width");
+ }
}
else {
- $r = $im->Read($srcfile);
- error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
-
- # don't resize any larger
- my ($rw, $rh) = ($w, $h);
- if ((length $rw && $rw > $im->Get("width")) ||
- (length $rh && $rh > $im->Get("height"))) {
- $rw=$im->Get("width");
- $rh=$im->Get("height");
- }
-
- $r = $im->Resize(geometry => "${rw}x${rh}");
- error sprintf(gettext("failed to resize: %s"), $r) if $r;
+ # resizing smaller
+ my $outfile = "$config{destdir}/$dir/${w}x${h}-$base";
+ $imglink = "$dir/${w}x${h}-$base";
+
+ will_render($params{page}, $imglink);
- # don't actually write file in preview mode
- if (! $params{preview}) {
- my @blob = $im->ImageToBlob();
- writefile($imglink, $config{destdir}, $blob[0], 1);
+ if (-e $outfile && (-M $srcfile >= -M $outfile)) {
+ $im = Image::Magick->new;
+ $r = $im->Read($outfile);
+ error sprintf(gettext("failed to read %s: %s"), $outfile, $r) if $r;
+
+ $dwidth = $im->Get("width");
+ $dheight = $im->Get("height");
}
else {
- $imglink = $file;
+ ($dwidth, $dheight)=($w, $h);
+ $r = $im->Resize(geometry => "${w}x${h}");
+ error sprintf(gettext("failed to resize: %s"), $r) if $r;
+
+ # don't actually write file in preview mode
+ if (! $params{preview}) {
+ my @blob = $im->ImageToBlob();
+ writefile($imglink, $config{destdir}, $blob[0], 1);
+ }
+ else {
+ $imglink = $file;
+ }
}
}
-
- # since we don't really resize larger, set the display
- # size, so the browser can scale the image up if necessary
- if (length $w && length $h) {
- ($dwidth, $dheight)=($w, $h);
- }
- # avoid division by zero on 0x0 image
- elsif ($im->Get("width") == 0 || $im->Get("height") == 0) {
- ($dwidth, $dheight)=(0, 0);
- }
- # calculate unspecified size from the other one, preserving
- # aspect ratio
- elsif (length $w) {
- $dwidth=$w;
- $dheight=$w / $im->Get("width") * $im->Get("height");
- }
- elsif (length $h) {
- $dheight=$h;
- $dwidth=$h / $im->Get("height") * $im->Get("width");
- }
-
}
else {
- $r = $im->Read($srcfile);
- error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
$imglink = $file;
$dwidth = $im->Get("width");
$dheight = $im->Get("height");
}
+
+ if (! defined($dwidth) || ! defined($dheight)) {
+ error sprintf(gettext("failed to determine size of image %s"), $file)
+ }
my ($fileurl, $imgurl);
if (! $params{preview}) {
$imgurl="$config{url}/$imglink";
}
- if (! defined($im->Get("width")) || ! defined($im->Get("height"))) {
- error sprintf(gettext("failed to determine size of image %s"), $file)
- }
-
my $imgtag='<img src="'.$imgurl.
'" width="'.$dwidth.
'" height="'.$dheight.'"'.