在搜索页显示较大的预览图（请注意阅读详细信息）。Show preview of pictures in serach page.
目前为
// ==UserScript==
// @name PixivPreviewer
// @namespace
// @version 1.00
// @description 在搜索页显示较大的预览图（请注意阅读详细信息）。Show preview of pictures in serach page.
// @author Ocrosoft
// @match https://www.pixiv.net/search.php*
// @match https://www.pixiv.net/member_illust.php?mode=medium*
// @match https://www.pixiv.net/member_illust.php?mode=ugoira_view*
// @match https://www.pixiv.net/ranking.php*
// @grant none
// @require http://code.jquery.com/jquery-2.1.4.min.js
// @namespace
// ==/UserScript==
var mousePos;
function log(text) {
console.log(text);
}
function activePreview() {
$('._layout-thumbnail').parent().mouseover(function (e) {
if (e.ctrlKey) {
return;
}
var imgNode = this.children[0];
// 鼠标位置
mousePos = { x: e.pageX, y: e.pageY };
// Div
var previewDiv = document.createElement('div');
$(previewDiv).css({ 'position': 'absolute', 'z-index': '999999' });
$(previewDiv).addClass('pixivPreview');
// 添加Div
$('body')[0].appendChild(previewDiv);
// 加载中图片
var loadingImg = new Image();
loadingImg.src = 'https://raw.githubusercontent.com/shikato/pixiv_sk/master/loading.gif';
$(loadingImg).css('position', 'absolute');
previewDiv.appendChild(loadingImg);
// 要显示图片
var loadImg = new Image();
previewDiv.appendChild(loadImg);
// 表示显示的是原图的图标
var originIcon = new Image();
originIcon.src = 'https://source.pixiv.net/www/images/pixivcomic-favorite.png';
$(originIcon).css({ 'position': 'absolute', 'bottom': '0px', 'right': '0px', 'display': 'none' });
previewDiv.appendChild(originIcon);
// 点击图标新网页打开原图
$(originIcon).click(function () {
window.open($(previewDiv).children('img')[1].src);
});
$(previewDiv).css({ 'left': mousePos.x + 'px', 'top': mousePos.y + 'px' });
function viewImages(imgs, index, imgsOrigin) {
if (!imgs || imgs.length == 0) return;
if (index < 0) return;
if (!imgsOrigin || imgsOrigin.length == 0 || imgs.length != imgsOrigin.length) return;
if (!index) index = 0;
if ($(previewDiv).children('script').length == 0) {
// 绑定点击事件，Ctrl+左键 单击切换原图
loadImg.addEventListener('click', function (ev) {
// 按住 Ctrl 来回切换原图
if (ev.ctrlKey) {
if (loadImg.src.indexOf('origin') == -1) {
viewImages(allImgsOrigin, parseInt($($('.pixivPreview').children('img')[1]).attr('data-index')), allImgs);
} else {
viewImages(allImgs, parseInt($($('.pixivPreview').children('img')[1]).attr('data-index')), allImgsOrigin);
}
}
// 按住 Shift 点击图片新标签页打开原图
else if (ev.shiftKey) {
window.open(allImgsOrigin[parseInt($($('.pixivPreview').children('img')[1]).attr('data-index'))]);
}
});
}
// 多图时绑定点击事件，点击图片切换到下一张
if (index == 0 && imgs.length != 1 && $(previewDiv).children('._work').length == 0) {
loadImg.addEventListener('click', function (e) {
if (e.ctrlKey || e.shiftKey) return;
var newIndex = parseInt($($('.pixivPreview').children('img')[1]).attr('data-index')) + 1;
if (newIndex == allImgs.length) newIndex = 0;
$('.pixivPreview').children('div').children('div').children('span')[0].innerHTML = (newIndex + 1) + '/' + allImgs.length;
if (loadImg.src.indexOf('origin') == -1) {
viewImages(allImgs, newIndex, allImgsOrigin);
} else {
viewImages(allImgsOrigin, newIndex, allImgs);
}
});
}
// 右上角张数标记
if (imgs.length != 1 && index == 0 && $(previewDiv).children('._work').length == 0) {
var iconDiv = document.createElement('div');
iconDiv.innerHTML = '<div class="page-count"><div class="icon"></div><span>1/' + imgs.length + '</span></div>';
$(iconDiv).addClass('_work');
$(iconDiv).css({ 'position': 'absolute', 'top': '0px', 'display': 'none' });
previewDiv.appendChild(iconDiv);
}
// 预加载
loadImg.src = '';
$(loadImg).css({ 'width': '', 'height': '', 'display': 'none' });
$(loadingImg).css('display', '');
$(originIcon).css('display', 'none');
$(iconDiv).css({ 'display': 'none' });
loadImg.addEventListener('load', function () {
if (loadImg.src.indexOf('githubusercontent') != -1) return;
// 调整图片大小
var width = loadImg.width, screenWidth = document.documentElement.clientWidth;
var height = loadImg.height, screenHeight = document.documentElement.clientHeight;
var viewHeight, viewWidth;
// 长图
if (height > width) {
viewHeight = screenHeight / 2;
viewWidth = viewHeight / height * width;
var scale = 1.0;
while (viewWidth * scale > screenWidth / 2) {
scale -= 0.01;
}
}
// 宽图
else {
viewWidth = screenWidth / 2;
viewHeight = viewWidth / width * height;
var scale = 1.0;
while (viewHeight * scale > screenHeight / 2) {
scale -= 0.01;
}
}
$(loadImg).css({ 'height': viewHeight * scale + 'px', 'width': viewWidth * scale + 'px' });
$(previewDiv).css({ 'height': viewHeight * scale + 'px', 'width': viewWidth * scale + 'px' });
$(loadingImg).css({ 'left': viewWidth * scale / 2 - 24 + 'px', 'top': viewHeight * scale / 2 - 24 + 'px' });
$(loadImg).css('display', '');
$(loadingImg).css('display', 'none');
$(iconDiv).css({ 'display': '' });
if (loadImg.src.indexOf('origin') != -1) {
$(originIcon).css({ 'display': '' });
} else {
$(originIcon).css({ 'display': 'none' });
}
// 调整图片位置
var divX = mousePos.x, divY = mousePos.y;
if (mousePos.x > screenWidth / 2) {
divX -= $(loadImg).css('width').split('px')[0];
}
if ((mousePos.y - document.body.scrollTop) >
screenHeight / 2) {
divY -= $(loadImg).css('height').split('px')[0];
}
$(previewDiv).css({ 'left': divX + 'px', 'top': divY + 'px' });
// 第一次显示预览时将图片列表添加到末尾
if ($(previewDiv).children('script').length == 0) {
var s = document.createElement('script');
// 输出预览图URL
var tmp = "var allImgs=['";
tmp += imgs[0];
for (var i = 1; i < imgs.length; ++i) {
tmp += "','" + imgs[i];
}
tmp += "'];";
// 输出原图URL
tmp += "var allImgsOrigin=['";
tmp += imgsOrigin[0];
for (var i = 1; i < imgsOrigin.length; ++i) {
tmp += "','" + imgsOrigin[i];
}
tmp += "'];";
// 输出
s.innerHTML = tmp;
previewDiv.appendChild(s);
}
});
$(loadImg).attr('data-index', index);
loadImg.src = imgs[index];
}
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
var resText = xmlHttp.responseText;
// 单图
try {
// 取得图片地址
// 预览图
var imgSource = RegExp('<div class="_layout-thumbnail ui-modal-trigger">[^>]*>').
exec(resText)[0].split('<')[2].split('\"')[1];
// 原图
var imgOrigin = RegExp('<div class="_illust_modal.*class="original-image').
exec(resText)[0].split('data-src="')[1].split('\"')[0];
viewImages([imgSource], 0, [imgOrigin]);
return;
} catch (e) {
// empty
}
// 多图
try {
var img, imgs = [];
var reg = new RegExp('https://i.pximg.net/img-master[^\"]*', 'g');
while ((img = reg.exec(resText.split('<section class=\"manga\">')[1].
split('</section>')[0])) !== null) {
imgs.push(img[0]);
}
// 推出来的原图URL，暂时没有想到效率高的办法（imgs.length 次xmlHttpRequest）
var imgsOrigin = [];
for (var i = 0; i < imgs.length; ++i) {
imgsOrigin.push(imgs[i].replace('img-master', 'img-original'));
imgsOrigin[i] = imgsOrigin[i].replace('_master1200', '');
}
viewImages(imgs, 0, imgsOrigin);
} catch (e) {
// empty
}
}
};
// 动图
if ($(this).hasClass('ugoku-illust')) {
$(previewDiv).children().remove();
previewDiv.innerHTML = '<iframe width="600px" height="50%" src="https://www.pixiv.net/member_illust.php?mode=ugoira_view&illust_id=' +
$(imgNode.children[0]).attr('data-id') + '#animePreview"/>';
$(previewDiv).children('iframe').css('display', 'none');
var loadingImg = new Image();
loadingImg.src = 'https://raw.githubusercontent.com/shikato/pixiv_sk/master/loading.gif';
$(loadingImg).css('position', 'absolute');
previewDiv.appendChild(loadingImg);
return;
}
// 多图
else if ($(imgNode.parentNode.parentNode).children('a').hasClass('multiple')) {
xmlHttp.open('GET', 'https://www.pixiv.net/member_illust.php?mode=manga&illust_id=' +
$(imgNode.children[0]).attr('data-id'), true);
}
// 单图
else {
xmlHttp.open('GET', 'https://www.pixiv.net/member_illust.php?mode=medium&illust_id=' +
$(imgNode.children[0]).attr('data-id'), true);
}
xmlHttp.send(null);
});
$('._layout-thumbnail').parent().mouseout(function (e) {
//if (true) return;
// 鼠标移动到预览图上
if ($(e.relatedTarget).hasClass('pixivPreview') || $(e.relatedTarget).parents().hasClass('pixivPreview')) {
$('.pixivPreview').mouseleave(function () {
$('.pixivPreview').remove();
});
}
// 非预览图上
else {
$('.pixivPreview').remove();
}
});
$('._layout-thumbnail').addClass('prev');
}
(function () {
// 动图预览辅助
if (location.href.indexOf('medium')!=-1 && location.href.indexOf('animePreview') != -1) {
location.href = location.href.replace('medium', 'ugoira_view');
return;
} else if (location.href.indexOf('ugoira_view') != -1 && location.href.indexOf('animePreview') != -1) {
var height = parseInt($('canvas').css('height').split('px'));
var width = parseInt($('canvas').css('width').split('px'));
var newHeight = 580 / width * height;
$('canvas').css({ 'height': newHeight + 'px', 'width': 580 + 'px' });
window.parent.iframeLoaded(newHeight, 580);
}
// 主要功能
setInterval(function () {
var t = $('._layout-thumbnail');
if (!$(t[t.length - 1]).hasClass('prev')) {
activePreview();
}
}, 500);
})();
function iframeLoaded(height, width) {
log('loaded');
$('.pixivPreview').children('iframe').css({ 'width': width + 20 + 'px', 'height': height + 20 + 'px' });
// 调整位置
var divX = mousePos.x, divY = mousePos.y;
var screenWidth = document.documentElement.clientWidth;
var screenHeight = document.documentElement.clientHeight;
if (mousePos.x > screenWidth / 2) {
divX -= width;
}
if ((mousePos.y - document.body.scrollTop) >
screenHeight / 2) {
divY -= height;
}
$('.pixivPreview').css({ 'left': divX + 'px', 'top': divY + 'px' });
$('.pixivPreview').children('iframe').css('display', '');
$('.pixivPreview').children('img').remove();
}
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