testcafe-browser-tools - npm Package Compare versions

Comparing version 1.4.1-git.201708230700 to 1.4.1-git.201708230930

lib/api/generate-thumbnail.js

		'use strict';

		var _Promise = require('babel-runtime/core-js/promise').default;

		var _regeneratorRuntime = require('babel-runtime/regenerator').default;
		@@ -13,11 +15,11 @@

		var _utilsEnsureDirectory = require('../utils/ensure-directory');
		var _gracefulFs = require('graceful-fs');

		var _utilsEnsureDirectory2 = _interopRequireDefault(_utilsEnsureDirectory);
		var _gracefulFs2 = _interopRequireDefault(_gracefulFs);

		var _utilsExec = require('../utils/exec');
		var _pngjs = require('pngjs');

		var _binaries = require('../binaries');
		var _utilsEnsureDirectory = require('../utils/ensure-directory');

		var _binaries2 = _interopRequireDefault(_binaries);
		var _utilsEnsureDirectory2 = _interopRequireDefault(_utilsEnsureDirectory);

		@@ -27,2 +29,87 @@ var DEFAULT_THUMBNAIL_WIDTH = 240;

		function cubicInterpolation(t, t2, t3, f) {
		var C = [0 - 1 * t + 2 * t2 - 1 * t3, 2 + 0 * t - 5 * t2 + 3 * t3, 0 + 1 * t + 4 * t2 - 3 * t3, 0 + 0 * t - 1 * t2 + 1 * t3];

		return 0.5 * (C[0] * f[0] + C[1] * f[1] + C[2] * f[2] + C[3] * f[3]);
		}

		function getSubpixel(img, y, x, channel) {
		if (y >= img.height \|\| x >= img.width \|\| y < 0 \|\| x < 0) return 0;

		return img.data[y * img.width * 4 + x * 4 + channel];
		}

		function setSubpixel(img, y, x, channel, color) {
		if (y >= img.height \|\| x >= img.width \|\| y < 0 \|\| x < 0) return;

		if (color > 255) color = 255;else if (color < 0) color = 0;

		img.data[y * img.width * 4 + x * 4 + channel] = color;
		}

		function scale(src, width, height) {
		var dst = new _pngjs.PNG({ width: width, height: height });

		var cx = src.width / width;
		var cy = src.height / height;

		var interpolated = [0, 0, 0, 0];

		for (var i = 0; i < height; ++i) {
		var targetY = cy * i;
		var sourceY = Math.floor(targetY);

		var dy = targetY - sourceY;
		var dy2 = dy * dy;
		var dy3 = dy2 * dy;

		for (var j = 0; j < width; ++j) {
		var targetX = cx * j;
		var sourceX = Math.floor(targetX);

		var dx = targetX - sourceX;
		var dx2 = dx * dx;
		var dx3 = dx2 * dx;

		for (var k = 0; k < 3; ++k) {
		for (var ii = 0, interpolY = sourceY - 1; ii < 4; ++ii, ++interpolY) {
		var pixels = [getSubpixel(src, interpolY, sourceX - 1, k), getSubpixel(src, interpolY, sourceX, k), getSubpixel(src, interpolY, sourceX + 1, k), getSubpixel(src, interpolY, sourceX + 2, k)];

		interpolated[ii] = cubicInterpolation(dx, dx2, dx3, pixels);
		}

		setSubpixel(dst, i, j, k, cubicInterpolation(dy, dy2, dy3, interpolated));
		}

		setSubpixel(dst, i, j, 3, 255);
		}
		}

		return dst;
		}

		function generate(src, dst, width, height) {
		return new _Promise(function (resolve, reject) {
		var srcFileData = _gracefulFs2.default.readFileSync(src);

		var srcImage = new _pngjs.PNG();

		srcImage.parse(srcFileData, function (e) {
		if (e) reject(e);

		try {
		var dstImage = scale(srcImage, width, height);

		var dstFileData = _pngjs.PNG.sync.write(dstImage);

		_gracefulFs2.default.writeFileSync(dst, dstFileData);

		resolve();
		} catch (e3) {
		reject(e3);
		}
		});
		});
		}

		function getThumbnailPath(imagePath) {
		@@ -71,3 +158,3 @@ var imageName = _path2.default.basename(imagePath);
		context$2$0.next = 6;
		return _regeneratorRuntime.awrap(_utilsExec.execFile(_binaries2.default.generateThumbnail, [sourcePath, thumbnailPath, width, height]));
		return _regeneratorRuntime.awrap(generate(...[sourcePath, thumbnailPath, width, height]));

		@@ -74,0 +161,0 @@ case 6:

package.json

		{
		"name": "testcafe-browser-tools",
		"version": "1.4.1-git.201708230700",
		"version": "1.4.1-git.201708230930",
		"description": "An utility library for performing platform-dependent actions on browsers.",
		@@ -5,0 +5,0 @@ "homepage": "https://github.com/DevExpress/testcafe-browser-tools",

testcafe-browser-tools - npm Package Compare versions

New alerts

Fixed alerts

Improved metrics