SnapShotOnline.js

A Javascript API that captures local video images and uploads them to sm.ms or imagebam or nhd.

Este script no debería instalarse directamente. Es una biblioteca que utilizan otros scripts mediante la meta-directiva de inclusión // @require https://update.greatest.deepsurf.us/scripts/377790/678193/SnapShotOnlinejs.js

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey to install this script.

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         SnapShotOnline.js
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  A Javascript API that captures local video images and uploads them to sm.ms or imagebam or nhd.
// @author       You
// @match        *
// @require      https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js
// @grant        none
// ==/UserScript==
var $ = window.jQuery;
window.SnapShotOnline = function(input_resource, textarea_img_bbcode, input_upload_snapshot, input_copy_snapshot, span_bar, span_snapshot, select_number, video_resource, canvas_resource){
    var ctx_resource = canvas_resource[0].getContext('2d');
    var thumb_scale;
    var video_length, shot_num, shot_requests = [], counter, update_flag = false;
    var processing = false;
    var image_url, thumb_url;
    var shot_index;
    var downScaleCanvas = function(cv, scale){
        if (!(scale < 1) || !(scale > 0)) throw ('scale must be a positive number <1 ');
        var sqScale = scale * scale;
        var sw = cv.width;
        var sh = cv.height;
        var tw = Math.floor(sw * scale);
        var th = Math.floor(sh * scale);
        var sx = 0, sy = 0, sIndex = 0;
        var tx = 0, ty = 0, yIndex = 0, tIndex = 0;
        var tX = 0, tY = 0;
        var w = 0, nw = 0, wx = 0, nwx = 0, wy = 0, nwy = 0;
        var crossX = false;
        var crossY = false;
        var sBuffer = cv.getContext('2d').
        getImageData(0, 0, sw, sh).data;
        var tBuffer = new Float32Array(3 * tw * th);
        var sR = 0, sG = 0, sB = 0;
        for (sy = 0; sy < sh; sy++) {
            ty = sy * scale;
            tY = 0 | ty;
            yIndex = 3 * tY * tw;
            crossY = (tY != (0 | ty + scale));
            if (crossY) {
                wy = (tY + 1 - ty);
                nwy = (ty + scale - tY - 1);
            }
            for (sx = 0; sx < sw; sx++, sIndex += 4) {
                tx = sx * scale;
                tX = 0 | tx;
                tIndex = yIndex + tX * 3;
                crossX = (tX != (0 | tx + scale));
                if (crossX) {
                    wx = (tX + 1 - tx);
                    nwx = (tx + scale - tX - 1);
                }
                sR = sBuffer[sIndex];
                sG = sBuffer[sIndex + 1];
                sB = sBuffer[sIndex + 2];
                if (!crossX && !crossY) {
                    tBuffer[tIndex] += sR * sqScale;
                    tBuffer[tIndex + 1] += sG * sqScale;
                    tBuffer[tIndex + 2] += sB * sqScale;
                } else if (crossX && !crossY) {
                    w = wx * scale;
                    tBuffer[tIndex] += sR * w;
                    tBuffer[tIndex + 1] += sG * w;
                    tBuffer[tIndex + 2] += sB * w;
                    nw = nwx * scale
                    tBuffer[tIndex + 3] += sR * nw;
                    tBuffer[tIndex + 4] += sG * nw;
                    tBuffer[tIndex + 5] += sB * nw;
                } else if (crossY && !crossX) {
                    w = wy * scale;
                    tBuffer[tIndex] += sR * w;
                    tBuffer[tIndex + 1] += sG * w;
                    tBuffer[tIndex + 2] += sB * w;
                    nw = nwy * scale
                    tBuffer[tIndex + 3 * tw] += sR * nw;
                    tBuffer[tIndex + 3 * tw + 1] += sG * nw;
                    tBuffer[tIndex + 3 * tw + 2] += sB * nw;
                } else {
                    w = wx * wy;
                    tBuffer[tIndex] += sR * w;
                    tBuffer[tIndex + 1] += sG * w;
                    tBuffer[tIndex + 2] += sB * w;
                    nw = nwx * wy;
                    tBuffer[tIndex + 3] += sR * nw;
                    tBuffer[tIndex + 4] += sG * nw;
                    tBuffer[tIndex + 5] += sB * nw;
                    nw = wx * nwy;
                    tBuffer[tIndex + 3 * tw] += sR * nw;
                    tBuffer[tIndex + 3 * tw + 1] += sG * nw;
                    tBuffer[tIndex + 3 * tw + 2] += sB * nw;
                    nw = nwx * nwy;
                    tBuffer[tIndex + 3 * tw + 3] += sR * nw;
                    tBuffer[tIndex + 3 * tw + 4] += sG * nw;
                    tBuffer[tIndex + 3 * tw + 5] += sB * nw;
                }
            }
        }
        var resCV = document.createElement('canvas');
        resCV.width = tw;
        resCV.height = th;
        var resCtx = resCV.getContext('2d');
        var imgRes = resCtx.getImageData(0, 0, tw, th);
        var tByteBuffer = imgRes.data;
        var pxIndex = 0;
        for (sIndex = 0, tIndex = 0; pxIndex < tw * th; sIndex += 3, tIndex += 4, pxIndex++) {
            tByteBuffer[tIndex] = Math.ceil(tBuffer[sIndex]);
            tByteBuffer[tIndex + 1] = Math.ceil(tBuffer[sIndex + 1]);
            tByteBuffer[tIndex + 2] = Math.ceil(tBuffer[sIndex + 2]);
            tByteBuffer[tIndex + 3] = 255;
        }
        resCtx.putImageData(imgRes, 0, 0);
        return resCV;
    }
    var fadeInThenFadeOut = function(span_snapshot, content, time, color){
        span_snapshot.text(content).css('color', color).fadeIn(function(){
            $(this).delay(time).fadeOut(function(){
                span_snapshot.text('');
            });
        });
    }
    var DOMEventInit = function(){
        input_resource.on('change', function(e){
            if(e.target.files.length > 0){
                processAbort();
                input_upload_snapshot.prop('disabled', false);
                input_upload_snapshot.show();
                input_copy_snapshot.prop('disabled', true);
                input_copy_snapshot.hide();
                span_bar.css({
                    'width': '0%',
                    'background-color': '#DCEDEE'
                });
                update_flag = false;
                shot_index = 1;
                counter = 0;
                shot_requests = [];
                image_url = [];
                thumb_url = [];
                video_length = 0;
                thumb_scale = 1;
            }
            else{
                processAbort();
                input_upload_snapshot.prop('disabled', true);
            }
        });
        input_upload_snapshot.on('click', function(e){
            processing = true;
            input_upload_snapshot.prop('disabled', true);
            select_number.prop('disabled', true);
            shot_num = parseInt(select_number.val());
            var file = input_resource[0].files[0];
            video_resource[0].src = URL.createObjectURL(file);
        });
        video_resource.on('durationchange', function(){
            this.pause();
            update_flag = true;
            canvas_resource.attr({
                'width': this.videoWidth,
                'height': this.videoHeight
            });
            var thumb_width = shot_num==1?750:((shot_num - 1)%3>1?250:375);
            thumb_scale = thumb_width/this.videoWidth;
            video_length = this.duration;
            this.currentTime = Math.floor(shot_index*video_length/(shot_num + 1));
        });
        video_resource.on('timeupdate', function(){
            if(update_flag){
                ctx_resource.drawImage(this, 0, 0, canvas_resource[0].width, canvas_resource[0].height);
                canvas_resource[0].toBlob(
                    (function(shot_ind){
                        return function(blob){
                            processOrigin(blob, shot_ind);
                        }
                    })(shot_index)
                );
                downScaleCanvas(canvas_resource[0], thumb_scale).toBlob(
                    (function(shot_ind){
                        return function(blob){
                            processThumb(blob, shot_ind);
                        }
                    })(shot_index)
                );
                ++shot_index;
                if(shot_index > shot_num){
                    video_resource[0].pause();
                }
                else{
                    video_resource[0].currentTime = Math.floor(shot_index*video_length/(shot_num + 1));
                }
            }
        });
        input_copy_snapshot.on('click', function(e){
            e.preventDefault();
            textarea_img_bbcode[0].select();
            try{
                var successful = document.execCommand('copy');
                var msg = successful?{'text': '成功', 'color': '#FFFFFF'}:{'text': '失败', 'color': '#DD8944'};
                fadeInThenFadeOut(span_snapshot, '截图BBCode复制' + msg.text, 500, msg.color);
            }
            catch(error){
                fadeInThenFadeOut(span_snapshot, '无法复制截图BBCode', 500, '#DD8944');
            }
        });
        select_number.prop('disabled', false);
    }
    var imageBanSuccessCallback = function(result, array, shot_index, data){
        var form = data;
        result = JSON.parse(result);
        if(result.success){
            array[shot_index - 1] = result.data.link;
        }
        else{
            console.log('Error: Upload Image');
        }
        checkProcess();
    }
    var smmsSuccessCallback = function(result, array, shot_index, data){
        var form = data;
        if(result.code == 'success'){
            array[shot_index - 1] = result.data.url;
            checkProcess();
        }
        else{
            var file_name = 'TYT.png';
            for(var pair of form.entries()) {
                if(pair[0] == 'smfile'){
                    file_name = pair[1].name;
                    break;
                }
            }
            form.append('image', form.get('smfile'));
            form.append('Name', file_name);
            form.delete('smfile');
            shot_requests.push($.ajax({
                'method': 'POST',
                'url': 'https://api.imageban.ru/v1',
                'data': form,
                'contentType': false,
                'processData': false,
                'headers': {
                    'Authorization': 'TOKEN rtaDTmC0SLXmq9RXtIPg'
                },
                'success': (function(array, shot_ind){
                    return function(result){
                        imageBanSuccessCallback(result, array, shot_ind);
                    }
                })(array, shot_index),
                'error': checkProcess
            }));
        }
    }
    var nhdSuccessCallback = function(result, array, shot_index, data){
        var form = data;
        if(result.match(/parent\.tag_extimage\('[^\)']+'\)/)){
            var bbcode = result.match(/parent\.tag_extimage\('([^\)']+)'\)/)[1];
            form.append('body', bbcode);
            form.delete('file');
            shot_requests.push($.ajax({
                'method': 'POST',
                'url': 'http://www.nexushd.org/preview.php',
                'data': form,
                'contentType': false,
                'processData': false,
                'success': (function(array, shot_ind){
                    return function(result){
                        nhdPreviewCallback(result, array, shot_ind);
                    }
                })(array, shot_index),
                'error': checkProcess
            }));
        }
        else{
            form.append('smfile', form.get('file'));
            form.delete('file');
            shot_requests.push($.ajax({
                'method': 'POST',
                'url': 'https://sm.ms/api/upload',
                'data': form,
                'contentType': false,
                'processData': false,
                'success': (function(array, shot_ind, form_data){
                    return function(result){
                        smmsSuccessCallback(result, array, shot_ind, form_data);
                    }
                })(array, shot_index, form),
                'error': checkProcess
            }));
        }
    }
    var nhdPreviewCallback = function(result, array, shot_index){
        if(result.match(/src="[^"]+"/)){
            array[shot_index - 1] = result.match(/src="\/*([^"]+)"/)[1].replace(/\.thumb\.jpg$/, '');
            checkProcess();
        }
        else{
            console.log('Error: Display Image');
            checkProcess();
        }
    }
    var processOrigin = function(blob, shot_index){
        var form = new FormData();
        form.append(
            'smfile', new File([blob], shot_index + '.png', {
                type: 'image/png',
                lastModified: Date.now()
            })
        );
        shot_requests.push($.ajax({
            'method': 'POST',
            'url': 'https://sm.ms/api/upload',
            'data': form,
            'contentType': false,
            'processData': false,
            'success': (function(array, shot_ind, form_data){
                return function(result){
                    smmsSuccessCallback(result, array, shot_ind, form_data);
                }
            })(image_url, shot_index, form),
            'error': checkProcess
        }));
    }
    var processThumb = function(blob, shot_index){
        var form = new FormData();
        form.append(
            'file', new File([blob], shot_index + '.png', {
                type: 'image/png',
                lastModified: Date.now()
            })
        );
        shot_requests.push($.ajax({
            'method': 'POST',
            'url': 'http://www.nexushd.org/attachment.php',
            'data': form,
            'contentType': false,
            'processData': false,
            'success': (function(array, shot_ind, form_data){
                return function(result){
                    nhdSuccessCallback(result, array, shot_ind, form_data);
                }
            })(thumb_url, shot_index, form),
            'error': checkProcess
        }));
    };
    var processAbort = function(){
        processing = false;
        shot_requests.forEach(function(e){
            try{
                e.abort();
            }
            catch(error){}
        });
        select_number.prop('disabled', false);
    }
    var processDone = function(){
        processing = false;
        var bbcode = '';
        image_url.forEach(function(e, i){
            if(thumb_url[i]){
                bbcode += '[url=' + e + '][img]' + thumb_url[i] + '[/img][/url] ';
            }
        });
        textarea_img_bbcode.val(bbcode);
        input_upload_snapshot.hide();
        input_copy_snapshot.prop('disabled', false);
        input_copy_snapshot.show();
        select_number.prop('disabled', false);
    }
    var checkProcess = function(){
        if(processing){
            ++counter;
            span_bar.css({
                'width': (counter/shot_num/2)*100 + '%'
            });
            if(counter == shot_num*2){
                span_bar.css({
                    'background-color': '#2276BB'
                });
                processDone();
            }
        }
    }
    return {
        init: function(){
            $(document).ready(DOMEventInit);
        }
    }
}