forked from FOSS/BangleApps
automatic thumbnailing
Gordon Williams
parent
cc821be6ef
commit
8b9d43dece
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@ -2,15 +2,18 @@
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var EMULATOR = "banglejs1";
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var appId;
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var singleAppId;
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if (process.argv.length!=3) {
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if (process.argv.length!=3 && process.argv.length!=2) {
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console.log("USAGE:");
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console.log(" bin/thumbnailer.jd APP_ID");
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console.log(" bin/thumbnailer.js");
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console.log(" - all thumbnails");
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console.log(" bin/thumbnailer.js APP_ID");
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console.log(" - just one app");
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process.exit(1);
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}
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appId = process.argv[2];
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imageFn = "out.png";
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if (process.argv.length==3)
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singleAppId = process.argv[2];
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if (!require("fs").existsSync(__dirname + "/../../EspruinoWebIDE")) {
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console.log("You need to:");
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@ -33,52 +36,106 @@ eval(require("fs").readFileSync(__dirname + "/../core/lib/espruinotools.js").toS
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eval(require("fs").readFileSync(__dirname + "/../core/js/utils.js").toString());
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eval(require("fs").readFileSync(__dirname + "/../core/js/appinfo.js").toString());
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var apps = JSON.parse(require("fs").readFileSync(__dirname+"/../apps.json"));
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var app = apps.find(a=>a.id==appId);
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if (!app) ERROR(`App ${JSON.stringify(appId)} not found`);
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if (app.custom) ERROR(`App ${JSON.stringify(appId)} requires HTML customisation`);
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/* we factory reset ONCE, get this, then we can use it to reset
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state quickly for each new app */
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var factoryFlashMemory = new Uint8Array(FLASH_SIZE);
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jsRXCallback = function() {};
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jsUpdateGfx = function() {};
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function ERROR(s) {
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console.error(s);
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process.exit(1);
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}
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function getThumbnail(appId, imageFn) {
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console.log("Thumbnail for "+appId);
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var app = apps.find(a=>a.id==appId);
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if (!app) ERROR(`App ${JSON.stringify(appId)} not found`);
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if (app.custom) ERROR(`App ${JSON.stringify(appId)} requires HTML customisation`);
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return new Promise(resolve => {
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AppInfo.getFiles(app, {
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fileGetter:function(url) {
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console.log(__dirname+"/"+url);
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return Promise.resolve(require("fs").readFileSync(__dirname+"/../"+url).toString("binary"));
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}, settings : SETTINGS}).then(files => {
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console.log("AppInfo returned");//, files);
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flashMemory.set(factoryFlashMemory);
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jsTransmitString("reset()\n");
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console.log("Uploading...");
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jsTransmitString("g.clear()\n");
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var command = files.map(f=>f.cmd).join("\n")+"\n";
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command += `load("${appId}.app.js")\n`;
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jsTransmitString(command);
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console.log("Done.");
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jsStopIdle();
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var rgba = new Uint8Array(GFX_WIDTH*GFX_HEIGHT*4);
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jsGetGfxContents(rgba);
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var rgba32 = new Uint32Array(rgba.buffer);
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var firstPixel = rgba32[0];
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var blankImage = rgba32.every(col=>col==firstPixel)
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if (!blankImage) {
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var Jimp = require("jimp");
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let image = new Jimp(GFX_WIDTH, GFX_HEIGHT, function (err, image) {
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if (err) throw err;
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let buffer = image.bitmap.data;
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buffer.set(rgba);
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image.write(imageFn, (err) => {
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if (err) throw err;
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console.log("Image written as "+imageFn);
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resolve(true);
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});
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});
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} else {
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console.log("Image is empty");
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resolve(false);
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}
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});
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});
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}
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var screenshots = [];
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// wait until loaded...
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setTimeout(function() {
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console.log("Loaded...");
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jsInit();
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jsIdle(true); // not automatic
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AppInfo.getFiles(app, {
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fileGetter:function(url) {
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console.log(__dirname+"/"+url);
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return Promise.resolve(require("fs").readFileSync(__dirname+"/../"+url).toString("binary"));
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}, settings : SETTINGS}).then(files => {
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//console.log(files);
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var command = "Bangle.factoryReset()\n";
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command += files.map(f=>f.cmd).join("\n")+"\n";
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command += `load("${appId}.app.js")\n`;
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//console.log(command);
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console.log("Uploading...");
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jsTransmitString(command);
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console.log("Done.");
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jsIdle();
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jsIdle();
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jsIdle();
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jsStopIdle();
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var rgba = new Uint8Array(GFX_WIDTH*GFX_HEIGHT*4);
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jsGetGfxContents(rgba);
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var Jimp = require("jimp");
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let image = new Jimp(GFX_WIDTH, GFX_HEIGHT, function (err, image) {
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if (err) throw err;
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let buffer = image.bitmap.data;
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buffer.set(rgba);
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image.write(imageFn, (err) => {
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if (err) throw err;
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console.log("Image written as "+imageFn);
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jsIdle();
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console.log("Factory reset");
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jsTransmitString("Bangle.factoryReset()\n");
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factoryFlashMemory.set(flashMemory);
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console.log("Ready!");
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if (singleAppId) {
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getThumbnail(singleAppId, "screenshots/"+singleAppId+".png")
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return;
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}
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var appList = apps.filter(app => (!app.type || app.type=="clock") && !app.custom).map(app=>app.id);
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// TODO: Work out about Bangle.js 1 or 2
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var promise = Promise.resolve();
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appList.forEach(appId => {
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promise = promise.then(() => {
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return getThumbnail(appId, "screenshots/"+appId+".png").then(ok => {
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screenshots.push({
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id : appId,
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url : "screenshots/"+appId+".png"
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});
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});
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});
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});
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});
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promise.then(function() {
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console.log("Complete!");
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require("fs").writeFileSync("screenshots.json", JSON.stringify(screenshots,null,2));
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});
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});
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