* pick_image_size, below.
*/
var fixed_sizes = [
+ [ 2048, 1536 ],
+ [ 1920, 1440 ],
[ 1600, 1200 ],
[ 1400, 1050 ],
[ 1280, 960 ],
+ [ 1152, 864 ],
[ 1024, 768 ],
[ 800, 600 ],
[ 640, 480 ],
if (screen_size[0] >= width && screen_size[1] >= height) {
// be sure _not_ to return a reference
- return [ fixed_sizes[i][0], fixed_sizes[i][1] ];
+ return [ fixed_sizes[i][0], fixed_sizes[i][1], width, height ];
}
}
return [ 80, 64 ];
}
-
-function display_image(width, height, evt, filename, element_id)
+
+function replace_image_element(url, element_id, parent_node)
{
- var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/" + global_infobox + filename;
var img = document.getElementById(element_id);
if (img !== null) {
img.src = "data:";
img.src = url;
}
+ parent_node.appendChild(img);
+ return img;
+}
+
+function display_image(width, height, evt, filename, element_id)
+{
+ var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/nobox/" + filename;
var main = document.getElementById("iehack");
- main.appendChild(img);
+ var img = replace_image_element(url, element_id, main);
+ img.style.position = "absolute";
+ img.style.left = "0px";
+ img.style.top = "0px";
+
+ if (global_infobox != 'nobox/') {
+ var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/box/" + filename;
+ var boximg = replace_image_element(url, element_id + "_box", main);
+
+ boximg.style.position = "absolute";
+ boximg.style.left = "0px";
+ boximg.style.bottom = "-1px";
+ }
return img;
}
}
var img = display_image(adjusted_size[0], adjusted_size[1], global_image_list[num][0], global_image_list[num][1], element_id);
+
if (element_id == "image") {
+ // we want to shrink the box as much as possible if we know the true
+ // size of the image
center_image(num);
+
+ // replace the anchor part (if any) with the image number
+ window.location.hash = "#" + (num+1);
}
+
return img;
}
preload.src = "data:";
preload.parentNode.removeChild(preload);
}
+
+ var preload_box = document.getElementById("preload_box");
+ if (preload_box !== null) {
+ preload_box.src = "data:";
+ preload_box.parentNode.removeChild(preload_box);
+ }
// grmf -- IE doesn't fire onload if the image was loaded from cache, so check for
// completeness first; should at least be _somewhat_ better
function center_image(num)
{
var screen_size = find_width();
- var adjusted_size;
+ var width, height;
if (global_image_list[num][2] == -1) {
// no size information, use our pessimal guess
- adjusted_size = max_image_size(screen_size);
+ var adjusted_size = max_image_size(screen_size);
+ width = adjusted_size[0];
+ height = adjusted_size[1];
} else {
- adjusted_size = pick_image_size(screen_size, [ global_image_list[num][2], global_image_list[num][3] ]);
- }
-
- // crop the div to the screen
- if (adjusted_size[0] > screen_size[0]) {
- adjusted_size[0] = screen_size[0];
- }
- if (adjusted_size[1] > screen_size[1]) {
- adjusted_size[1] = screen_size[1];
+ // use the exact information
+ var adjusted_size = pick_image_size(screen_size, [ global_image_list[num][2], global_image_list[num][3] ]);
+ width = adjusted_size[2];
+ height = adjusted_size[3];
}
// center the image on-screen
var main = document.getElementById("main");
main.style.position = "absolute";
- main.style.left = (screen_size[0] - adjusted_size[0]) / 2 + "px";
- main.style.top = (screen_size[1] - adjusted_size[1]) / 2 + "px";
- main.style.width = adjusted_size[0] + "px";
- main.style.height = adjusted_size[1] + "px";
- main.style.lineHeight = adjusted_size[1] + "px";
-
+ main.style.left = (screen_size[0] - width) / 2 + "px";
+ main.style.top = (screen_size[1] - height) / 2 + "px";
+ main.style.width = width + "px";
+ main.style.height = height + "px";
+ main.style.lineHeight = height + "px";
}
function relayout()
if (can_go_next()) {
prepare_preload(img, global_image_num + 1);
}
-
- center_image(global_image_num);
set_opacity("previous", can_go_previous() ? 0.7 : 0.1);
set_opacity("next", can_go_next() ? 0.7 : 0.1);
}
} else if (which == 27) { // escape
set_opacity("close", 0.99);
+ } else {
+ check_for_hash_change();
}
}
do_close();
} else if (which == 32 && global_select) { // space
select_image(global_image_list[global_image_num][0], global_image_list[global_image_num][1]);
+ } else {
+ check_for_hash_change();
}
}
close.outerHTML = "<span id=\"close\" style=\"display: inline-block; position: absolute; top: 0px; right: 0px; width: 50px; height: 50px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + close.src + "')\" onmousedown=\"set_opacity('close', 1.0)\" onmouseup=\"set_opacity('close', 0.7); do_close();\" onmouseout=\"set_opacity('close', 0.7);\" />";
}
}
+
+function parse_image_num(default_value) {
+ var num = parseInt(window.location.hash.substr(1));
+ if (num >= 1 && num <= global_image_list.length) { // and then num != NaN
+ return (num - 1);
+ } else {
+ return default_value;
+ }
+}
+
+function check_for_hash_change() {
+ var num = parse_image_num(-1);
+ if (num != -1 && num != global_image_num) {
+ global_image_num = num;
+ relayout();
+ }
+}