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-rw-r--r--src/lib/album-render.source.sh68
-rw-r--r--src/lib/config.validate.source.sh1
-rw-r--r--src/lib/template.source.sh1
3 files changed, 56 insertions, 14 deletions
diff --git a/src/lib/album-render.source.sh b/src/lib/album-render.source.sh
index ff86727..9bae930 100644
--- a/src/lib/album-render.source.sh
+++ b/src/lib/album-render.source.sh
@@ -96,12 +96,19 @@ render_full_preview_page() {
render_previous_page_link "$page_name" "$html_dir" "$prev_page"
fi
+ # Batch all of this page's thumbnails into ONE template call. Building the
+ # markup in bash and emitting it via the raw "preview_thumbs" field collapses
+ # what used to be N "template preview" renders (one env -i bash per
+ # thumbnail) into a single previewpage render per page.
+ local preview_thumbs=''
for photo in "$@"; do
(( ++preview_num ))
- render_preview_thumbnail \
- "$page_name" "$html_dir" "$thumbs_dir" "$backhref" \
- "$page_num" "$preview_num" "$photo"
+ append_preview_thumbnail preview_thumbs \
+ "$thumbs_dir" "$backhref" "$page_num" "$preview_num" "$photo"
done
+ template previewpage "$page_name.html" \
+ html_dir "$html_dir" \
+ preview_thumbs "$preview_thumbs"
if [ -n "$next_page" ]; then
finish_preview_page_with_next \
@@ -165,25 +172,58 @@ queue_preview_page_render_job() {
render_job_labels_ref["$!"]="template render job for preview $page_name"
}
-render_preview_thumbnail() {
- local -r page_name="$1"; shift
- local -r html_dir="$1"; shift
+# Append one thumbnail's markup to a page's accumulating thumbnail-grid buffer.
+# Produces exactly the bytes the old per-thumbnail preview.tmpl emitted (the
+# <a name=... href=...><img class='thumb <anim>' .../></a> block), so batching
+# all thumbnails into one previewpage render stays byte-identical. Every
+# interpolated value is HTML-escaped like the template's context_html fields; the
+# seeded "slow" animation class is preserved exactly. Blocks are separated by a
+# newline; the previewpage template adds the single trailing newline, matching
+# the old N sequential renders.
+append_preview_thumbnail() {
+ local -n buffer_ref="$1"; shift
local -r thumbs_dir="$1"; shift
local -r backhref="$1"; shift
local -r page_num="$1"; shift
local -r preview_num="$1"; shift
local -r photo_file="$1"; shift
local animation_class
+ local block
animation_class=$(random_animation_css_class slow "$photo_file")
- template preview "$page_name.html" \
- html_dir "$html_dir" \
- backhref "$backhref" \
- thumbs_dir "$thumbs_dir" \
- page_num "$page_num" \
- preview_num "$preview_num" \
- photo "$photo_file" \
- animation_class "$animation_class"
+ block=$(build_preview_thumbnail \
+ "$thumbs_dir" "$backhref" "$page_num" "$preview_num" "$photo_file" \
+ "$animation_class")
+ if [ -z "$buffer_ref" ]; then
+ buffer_ref="$block"
+ else
+ buffer_ref+=$'\n'"$block"
+ fi
+}
+
+# Render the HTML for a single preview thumbnail (HTML-escaping every value the
+# way preview.tmpl's context_html fields did). Returned without a trailing
+# newline so callers control separators.
+build_preview_thumbnail() {
+ local -r thumbs_dir="$1"; shift
+ local -r backhref="$1"; shift
+ local -r page_num="$1"; shift
+ local -r preview_num="$1"; shift
+ local -r photo_file="$1"; shift
+ local -r animation_class="$1"; shift
+ local photo_html
+ local anim_html
+ local backhref_html
+ local thumbs_dir_html
+
+ photo_html=$(_html_escape "$photo_file")
+ anim_html=$(_html_escape "$animation_class")
+ backhref_html=$(_html_escape "$backhref")
+ thumbs_dir_html=$(_html_escape "$thumbs_dir")
+ printf '<a name=%s href=%s>\n' \
+ "'$photo_html'" "'$page_num-$preview_num.html'"
+ printf " <img class='thumb %s' src='%s/%s/%s' />\n</a>" \
+ "$anim_html" "$backhref_html" "$thumbs_dir_html" "$photo_html"
}
render_view_page() {
diff --git a/src/lib/config.validate.source.sh b/src/lib/config.validate.source.sh
index fda20f0..7519094 100644
--- a/src/lib/config.validate.source.sh
+++ b/src/lib/config.validate.source.sh
@@ -101,6 +101,7 @@ validate_template_dir() {
next
prev
preview
+ previewpage
redirect
view
)
diff --git a/src/lib/template.source.sh b/src/lib/template.source.sh
index 13a2988..cd44a45 100644
--- a/src/lib/template.source.sh
+++ b/src/lib/template.source.sh
@@ -165,6 +165,7 @@ declare -ra TEMPLATE_RENDER_FIELD_SPECS=(
'render_photos_dir_html|context_html|photos_dir|photos_dir|splash details view'
'render_prev_html|context_html|prev|prev|prev'
'render_preview_num_html|context_html|preview_num|preview_num|preview details view'
+ 'render_preview_thumbs_html|context_raw|preview_thumbs|preview_thumbs|previewpage'
'render_redirect_page_html|context_html|redirect_page|redirect_page|redirect'
'render_show_header_bar|context_raw|show_header_bar|show_header_bar|header'
'render_stats_body_html|context_raw|stats_body|stats_body|stats'