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container selector
This commit is contained in:
ningyi.zny
parent
8b23ae64df
commit
29a48662b4
472
konva.js
472
konva.js
@ -3,7 +3,7 @@
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* Konva JavaScript Framework v0.11.1
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* http://konvajs.github.io/
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* Licensed under the MIT or GPL Version 2 licenses.
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* Date: Fri Feb 05 2016
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* Date: Fri Feb 26 2016
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*
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* Original work Copyright (C) 2011 - 2013 by Eric Rowell (KineticJS)
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* Modified work Copyright (C) 2014 - 2015 by Anton Lavrenov (Konva)
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@ -4565,33 +4565,33 @@
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Konva.Collection.mapMethods(Konva.Node);
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})(Konva);
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(function() {
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'use strict';
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/**
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* Grayscale Filter
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* @function
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Grayscale]);
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*/
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Konva.Filters.Grayscale = function(imageData) {
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var data = imageData.data,
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len = data.length,
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i, brightness;
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for(i = 0; i < len; i += 4) {
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brightness = 0.34 * data[i] + 0.5 * data[i + 1] + 0.16 * data[i + 2];
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// red
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data[i] = brightness;
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// green
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data[i + 1] = brightness;
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// blue
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data[i + 2] = brightness;
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}
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};
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})();
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(function() {
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'use strict';
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/**
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* Grayscale Filter
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* @function
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Grayscale]);
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*/
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Konva.Filters.Grayscale = function(imageData) {
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var data = imageData.data,
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len = data.length,
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i, brightness;
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for(i = 0; i < len; i += 4) {
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brightness = 0.34 * data[i] + 0.5 * data[i + 1] + 0.16 * data[i + 2];
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// red
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data[i] = brightness;
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// green
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data[i + 1] = brightness;
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// blue
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data[i + 2] = brightness;
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}
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};
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})();
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(function() {
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'use strict';
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@ -4634,32 +4634,32 @@
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})();
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(function() {
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'use strict';
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/**
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* Invert Filter
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* @function
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Invert]);
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*/
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Konva.Filters.Invert = function(imageData) {
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var data = imageData.data,
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len = data.length,
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i;
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for(i = 0; i < len; i += 4) {
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// red
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data[i] = 255 - data[i];
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// green
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data[i + 1] = 255 - data[i + 1];
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// blue
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data[i + 2] = 255 - data[i + 2];
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}
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};
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})();
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(function() {
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'use strict';
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/**
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* Invert Filter
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* @function
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Invert]);
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*/
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Konva.Filters.Invert = function(imageData) {
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var data = imageData.data,
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len = data.length,
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i;
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for(i = 0; i < len; i += 4) {
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// red
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data[i] = 255 - data[i];
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// green
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data[i + 1] = 255 - data[i + 1];
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// blue
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data[i + 2] = 255 - data[i + 2];
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}
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};
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})();
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/*
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the Gauss filter
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@ -5944,181 +5944,181 @@
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*/
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})();
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(function () {
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'use strict';
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/**
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* Noise Filter. Randomly adds or substracts to the color channels
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* @function
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* @name Noise
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Noise]);
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* node.noise(0.8);
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*/
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Konva.Filters.Noise = function (imageData) {
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var amount = this.noise() * 255,
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data = imageData.data,
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nPixels = data.length,
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half = amount / 2,
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i;
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for (i = 0; i < nPixels; i += 4) {
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data[i + 0] += half - 2 * half * Math.random();
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data[i + 1] += half - 2 * half * Math.random();
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data[i + 2] += half - 2 * half * Math.random();
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'noise', 0.2, null, Konva.Factory.afterSetFilter);
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/**
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* get/set noise amount. Must be a value between 0 and 1. Use with {@link Konva.Filters.Noise} filter.
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* @name noise
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* @method
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* @memberof Konva.Node.prototype
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* @param {Number} noise
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* @returns {Number}
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*/
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})();
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(function () {
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'use strict';
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/*eslint-disable max-depth */
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(function () {
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'use strict';
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/**
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* Pixelate Filter. Averages groups of pixels and redraws
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* them as larger pixels
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* @function
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* @name Pixelate
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Pixelate]);
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* node.pixelSize(10);
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*/
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Konva.Filters.Pixelate = function (imageData) {
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var pixelSize = Math.ceil(this.pixelSize()),
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width = imageData.width,
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height = imageData.height,
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x, y, i,
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//pixelsPerBin = pixelSize * pixelSize,
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red, green, blue, alpha,
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nBinsX = Math.ceil(width / pixelSize),
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nBinsY = Math.ceil(height / pixelSize),
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xBinStart, xBinEnd, yBinStart, yBinEnd,
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xBin, yBin, pixelsInBin;
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imageData = imageData.data;
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for (xBin = 0; xBin < nBinsX; xBin += 1) {
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for (yBin = 0; yBin < nBinsY; yBin += 1) {
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// Initialize the color accumlators to 0
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red = 0;
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green = 0;
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blue = 0;
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alpha = 0;
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// Determine which pixels are included in this bin
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xBinStart = xBin * pixelSize;
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xBinEnd = xBinStart + pixelSize;
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yBinStart = yBin * pixelSize;
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yBinEnd = yBinStart + pixelSize;
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// Add all of the pixels to this bin!
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pixelsInBin = 0;
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for (x = xBinStart; x < xBinEnd; x += 1) {
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if( x >= width ){ continue; }
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for (y = yBinStart; y < yBinEnd; y += 1) {
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if( y >= height ){ continue; }
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i = (width * y + x) * 4;
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red += imageData[i + 0];
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green += imageData[i + 1];
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blue += imageData[i + 2];
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alpha += imageData[i + 3];
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pixelsInBin += 1;
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}
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}
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// Make sure the channels are between 0-255
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red = red / pixelsInBin;
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green = green / pixelsInBin;
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blue = blue / pixelsInBin;
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// Draw this bin
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for (x = xBinStart; x < xBinEnd; x += 1) {
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if( x >= width ){ continue; }
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for (y = yBinStart; y < yBinEnd; y += 1) {
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if( y >= height ){ continue; }
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i = (width * y + x) * 4;
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imageData[i + 0] = red;
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imageData[i + 1] = green;
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imageData[i + 2] = blue;
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imageData[i + 3] = alpha;
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}
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}
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}
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'pixelSize', 8, null, Konva.Factory.afterSetFilter);
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/**
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* get/set pixel size. Use with {@link Konva.Filters.Pixelate} filter.
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* @name pixelSize
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* @method
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* @memberof Konva.Node.prototype
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* @param {Integer} pixelSize
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* @returns {Integer}
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*/
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})();
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/**
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* Noise Filter. Randomly adds or substracts to the color channels
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* @function
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* @name Noise
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Noise]);
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* node.noise(0.8);
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*/
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Konva.Filters.Noise = function (imageData) {
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var amount = this.noise() * 255,
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data = imageData.data,
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nPixels = data.length,
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half = amount / 2,
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i;
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(function () {
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'use strict';
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/**
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* Threshold Filter. Pushes any value above the mid point to
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* the max and any value below the mid point to the min.
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* This affects the alpha channel.
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* @function
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* @name Threshold
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Threshold]);
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* node.threshold(0.1);
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*/
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Konva.Filters.Threshold = function (imageData) {
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var level = this.threshold() * 255,
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data = imageData.data,
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len = data.length,
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i;
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for (i = 0; i < len; i += 1) {
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data[i] = data[i] < level ? 0 : 255;
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'threshold', 0.5, null, Konva.Factory.afterSetFilter);
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/**
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* get/set threshold. Must be a value between 0 and 1. Use with {@link Konva.Filters.Threshold} or {@link Konva.Filters.Mask} filter.
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* @name threshold
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* @method
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* @memberof Konva.Node.prototype
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* @param {Number} threshold
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* @returns {Number}
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*/
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})();
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for (i = 0; i < nPixels; i += 4) {
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data[i + 0] += half - 2 * half * Math.random();
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data[i + 1] += half - 2 * half * Math.random();
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data[i + 2] += half - 2 * half * Math.random();
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'noise', 0.2, null, Konva.Factory.afterSetFilter);
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/**
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* get/set noise amount. Must be a value between 0 and 1. Use with {@link Konva.Filters.Noise} filter.
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* @name noise
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* @method
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* @memberof Konva.Node.prototype
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* @param {Number} noise
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* @returns {Number}
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*/
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})();
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/*eslint-disable max-depth */
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(function () {
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'use strict';
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/**
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* Pixelate Filter. Averages groups of pixels and redraws
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* them as larger pixels
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* @function
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* @name Pixelate
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Pixelate]);
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* node.pixelSize(10);
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*/
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Konva.Filters.Pixelate = function (imageData) {
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var pixelSize = Math.ceil(this.pixelSize()),
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width = imageData.width,
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height = imageData.height,
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x, y, i,
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//pixelsPerBin = pixelSize * pixelSize,
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red, green, blue, alpha,
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nBinsX = Math.ceil(width / pixelSize),
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nBinsY = Math.ceil(height / pixelSize),
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xBinStart, xBinEnd, yBinStart, yBinEnd,
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xBin, yBin, pixelsInBin;
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imageData = imageData.data;
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for (xBin = 0; xBin < nBinsX; xBin += 1) {
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for (yBin = 0; yBin < nBinsY; yBin += 1) {
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// Initialize the color accumlators to 0
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red = 0;
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green = 0;
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blue = 0;
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alpha = 0;
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// Determine which pixels are included in this bin
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xBinStart = xBin * pixelSize;
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xBinEnd = xBinStart + pixelSize;
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yBinStart = yBin * pixelSize;
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yBinEnd = yBinStart + pixelSize;
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// Add all of the pixels to this bin!
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pixelsInBin = 0;
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for (x = xBinStart; x < xBinEnd; x += 1) {
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if( x >= width ){ continue; }
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for (y = yBinStart; y < yBinEnd; y += 1) {
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if( y >= height ){ continue; }
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i = (width * y + x) * 4;
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red += imageData[i + 0];
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green += imageData[i + 1];
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blue += imageData[i + 2];
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alpha += imageData[i + 3];
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pixelsInBin += 1;
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}
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}
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// Make sure the channels are between 0-255
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red = red / pixelsInBin;
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green = green / pixelsInBin;
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blue = blue / pixelsInBin;
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// Draw this bin
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for (x = xBinStart; x < xBinEnd; x += 1) {
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if( x >= width ){ continue; }
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for (y = yBinStart; y < yBinEnd; y += 1) {
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if( y >= height ){ continue; }
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i = (width * y + x) * 4;
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imageData[i + 0] = red;
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imageData[i + 1] = green;
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imageData[i + 2] = blue;
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imageData[i + 3] = alpha;
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}
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}
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}
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'pixelSize', 8, null, Konva.Factory.afterSetFilter);
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/**
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* get/set pixel size. Use with {@link Konva.Filters.Pixelate} filter.
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* @name pixelSize
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* @method
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* @memberof Konva.Node.prototype
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* @param {Integer} pixelSize
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* @returns {Integer}
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*/
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})();
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(function () {
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'use strict';
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/**
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* Threshold Filter. Pushes any value above the mid point to
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* the max and any value below the mid point to the min.
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* This affects the alpha channel.
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* @function
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* @name Threshold
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* @memberof Konva.Filters
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* @param {Object} imageData
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* @author ippo615
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* @example
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* node.cache();
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* node.filters([Konva.Filters.Threshold]);
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* node.threshold(0.1);
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*/
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Konva.Filters.Threshold = function (imageData) {
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var level = this.threshold() * 255,
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data = imageData.data,
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len = data.length,
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i;
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for (i = 0; i < len; i += 1) {
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data[i] = data[i] < level ? 0 : 255;
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}
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};
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Konva.Factory.addGetterSetter(Konva.Node, 'threshold', 0.5, null, Konva.Factory.afterSetFilter);
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/**
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* get/set threshold. Must be a value between 0 and 1. Use with {@link Konva.Filters.Threshold} or {@link Konva.Filters.Mask} filter.
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* @name threshold
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* @method
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* @memberof Konva.Node.prototype
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* @param {Number} threshold
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* @returns {Number}
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*/
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})();
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(function() {
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'use strict';
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@ -8657,10 +8657,20 @@
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* @memberof Konva.Stage.prototype
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* @param {DomElement} container can pass in a dom element or id string
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*/
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setContainer: function(container) {
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if( typeof container === STRING) {
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var id = container;
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container = Konva.document.getElementById(container);
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setContainer: function (container) {
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if (typeof container === STRING) {
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if (container.charAt(0) === '.') {
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var className = container.slice(1);
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container = Konva.document.getElementsByClassName(className)[0];
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} else {
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var id;
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if (container.charAt(0) !== '#') {
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id = container;
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} else {
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id = container.slice(1);
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}
|
||||
container = Konva.document.getElementById(id);
|
||||
}
|
||||
if (!container) {
|
||||
throw 'Can not find container in document with id ' + id;
|
||||
}
|
||||
|
||||
18
src/Stage.js
18
src/Stage.js
@ -95,10 +95,20 @@
|
||||
* @memberof Konva.Stage.prototype
|
||||
* @param {DomElement} container can pass in a dom element or id string
|
||||
*/
|
||||
setContainer: function(container) {
|
||||
if( typeof container === STRING) {
|
||||
var id = container;
|
||||
container = Konva.document.getElementById(container);
|
||||
setContainer: function (container) {
|
||||
if (typeof container === STRING) {
|
||||
if (container.charAt(0) === '.') {
|
||||
var className = container.slice(1);
|
||||
container = Konva.document.getElementsByClassName(className)[0];
|
||||
} else {
|
||||
var id;
|
||||
if (container.charAt(0) !== '#') {
|
||||
id = container;
|
||||
} else {
|
||||
id = container.slice(1);
|
||||
}
|
||||
container = Konva.document.getElementById(id);
|
||||
}
|
||||
if (!container) {
|
||||
throw 'Can not find container in document with id ' + id;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user