{
if (typeof(window.innerWidth) == 'number') {
// non-IE
- return [window.innerWidth, window.innerHeight];
+ var dpr = find_dpr();
+ return [window.innerWidth * dpr, window.innerHeight * dpr];
} else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
// IE 6+ in 'standards compliant mode'
return [document.documentElement.clientWidth, document.documentElement.clientHeight];
return [null,null];
}
+function find_dpr()
+{
+ return window.devicePixelRatio || 1;
+}
+
/*
* pr0n can resize to any size we'd like, but we're much more likely
* to have this set of fixed-resolution screens cached, so to increase
* pick_image_size, below.
*/
var fixed_sizes = [
+ [ 2304, 1728 ],
+ [ 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:";
+ if (img.src === url) {
+ return img;
+ }
img.parentNode.removeChild(img);
}
img = document.createElement("img");
img.id = element_id;
img.alt = "";
+ img.src = url;
+ parent_node.appendChild(img);
+ return img;
+}
- if (img.src != url) {
- img.src = url;
+function rename_element(old_name, new_name)
+{
+ // Remove any element that's in the way.
+ var elem = document.getElementById(new_name);
+ if (elem !== null) {
+ elem.parentNode.removeChild(elem);
}
-
+
+ elem = document.getElementById(old_name);
+ if (elem !== null) {
+ elem.id = new_name;
+ }
+ return elem;
+}
+
+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 preload = document.getElementById("preload");
+ var dpr = find_dpr();
+ var img;
+ // See if we have a preload going on that we can reuse.
+ if (element_id == "image" && preload !== null && preload.src == url) {
+ rename_element("preload_box", "image_box");
+ img = rename_element("preload", "image");
+ } else {
+ img = replace_image_element(url, element_id, main);
+ }
+ img.style.position = "absolute";
+ img.style.left = "0px";
+ img.style.top = "0px";
+ img.style.transformOrigin = "top left";
+ img.style.transform = "scale(" + (1.0 / dpr) + ")";
+
+ if (global_infobox != 'nobox/') {
+ var url;
+ if (dpr == 1) {
+ url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/box/" + filename;
+ } else {
+ url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "@" + dpr + "/box/" + filename;
+ }
+ var boximg = replace_image_element(url, element_id + "_box", main);
+
+ boximg.style.position = "absolute";
+ boximg.style.left = "0px";
+ boximg.style.bottom = "-1px";
+ boximg.style.transformOrigin = "bottom left";
+ boximg.style.transform = "scale(" + (1.0 / dpr) + ")";
+ }
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;
}
// cancel any pending preload
var preload = document.getElementById("preload");
if (preload !== null) {
- preload.src = "data:";
preload.parentNode.removeChild(preload);
}
+
+ var preload_box = document.getElementById("preload_box");
+ if (preload_box !== null) {
+ 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 dpr = find_dpr();
+ 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) / dpr) + "px";
+ main.style.top = (((screen_size[1] - height) / 2) / dpr) + "px";
+ main.style.width = (width / dpr) + "px";
+ main.style.height = (height / dpr) + "px";
+ main.style.lineHeight = (height / dpr) + "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);
}
}
-function select_image(evt, filename)
+function select_image(evt, filename, selected)
{
if (!req) {
return;
}
- draw_text("Selecting " + filename + "...");
+ if (selected) {
+ draw_text("Selecting " + filename + "...");
+ } else {
+ draw_text("Unselecting " + filename + "...");
+ }
req.open("POST", "http://" + global_vhost + "/select", false);
req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
- req.send("mode=single&event=" + evt + "&filename=" + filename);
+ req.send("event=" + evt + "&filename=" + filename + "&selected=" + selected);
setTimeout("fade_text(0.99)", 30);
}
}
} else if (which == 27) { // escape
set_opacity("close", 0.99);
+ } else {
+ check_for_hash_change();
}
}
set_opacity("close", 0.7);
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]);
+ select_image(global_image_list[global_image_num][0], global_image_list[global_image_num][1], 1);
+ } else if (which == 85 && global_select) { // u
+ select_image(global_image_list[global_image_num][0], global_image_list[global_image_num][1], 0);
+ } 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();
+ }
+}
projects / pr0n / blobdiff