svn commit: r509273 [16/50] - in /ofbiz/trunk/framework/images/
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svn commit: r509273 [16/50] - in /ofbiz/trunk/framework/images/
 
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Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,820 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.Colorspace"); + +dojo.require("dojo.lang.common"); +dojo.require("dojo.math.matrix"); + +// to convert to YUV: +// c.whitePoint = 'D65'; +// c.RGBWorkingSpace = 'pal_secam_rgb'; +// var out = c.convert([r,g,b], 'RGB', 'XYZ'); +// +// to convert to YIQ: +// c.whitePoint = 'D65'; +// c.RGBWorkingSpace = 'ntsc_rgb'; +// var out = c.convert([r,g,b], 'RGB', 'XYZ'); +// + +dojo.gfx.Colorspace = function(){ + // summary + // An object for dealing with colorspace conversions. + this.whitePoint = 'D65'; + this.stdObserver = '10'; + this.chromaticAdaptationAlg = 'bradford'; + this.RGBWorkingSpace = 's_rgb'; + this.useApproxCIELabMapping = 1; // see http://www.brucelindbloom.com/LContinuity.html + + this.chainMaps = { + 'RGB_to_xyY' : ['XYZ'], + 'xyY_to_RGB' : ['XYZ'], + 'RGB_to_Lab' : ['XYZ'], + 'Lab_to_RGB' : ['XYZ'], + 'RGB_to_LCHab': ['XYZ', 'Lab'], + 'LCHab_to_RGB': ['Lab'], + 'xyY_to_Lab' : ['XYZ'], + 'Lab_to_xyY' : ['XYZ'], + 'XYZ_to_LCHab': ['Lab'], + 'LCHab_to_XYZ': ['Lab'], + 'xyY_to_LCHab': ['XYZ', 'Lab'], + 'LCHab_to_xyY': ['Lab', 'XYZ'], + 'RGB_to_Luv' : ['XYZ'], + 'Luv_to_RGB' : ['XYZ'], + 'xyY_to_Luv' : ['XYZ'], + 'Luv_to_xyY' : ['XYZ'], + 'Lab_to_Luv' : ['XYZ'], + 'Luv_to_Lab' : ['XYZ'], + 'LCHab_to_Luv': ['Lab', 'XYZ'], + 'Luv_to_LCHab': ['XYZ', 'Lab'], + 'RGB_to_LCHuv' : ['XYZ', 'Luv'], + 'LCHuv_to_RGB' : ['Luv', 'XYZ'], + 'XYZ_to_LCHuv' : ['Luv'], + 'LCHuv_to_XYZ' : ['Luv'], + 'xyY_to_LCHuv' : ['XYZ', 'Luv'], + 'LCHuv_to_xyY' : ['Luv', 'XYZ'], + 'Lab_to_LCHuv' : ['XYZ', 'Luv'], + 'LCHuv_to_Lab' : ['Luv', 'XYZ'], + 'LCHab_to_LCHuv': ['Lab', 'XYZ', 'Luv'], + 'LCHuv_to_LCHab': ['Luv', 'XYZ', 'Lab'], + 'XYZ_to_CMY' : ['RGB'], + 'CMY_to_XYZ' : ['RGB'], + 'xyY_to_CMY' : ['RGB'], + 'CMY_to_xyY' : ['RGB'], + 'Lab_to_CMY' : ['RGB'], + 'CMY_to_Lab' : ['RGB'], + 'LCHab_to_CMY' : ['RGB'], + 'CMY_to_LCHab' : ['RGB'], + 'Luv_to_CMY' : ['RGB'], + 'CMY_to_Luv' : ['RGB'], + 'LCHuv_to_CMY' : ['RGB'], + 'CMY_to_LCHuv' : ['RGB'], + 'XYZ_to_HSL' : ['RGB'], + 'HSL_to_XYZ' : ['RGB'], + 'xyY_to_HSL' : ['RGB'], + 'HSL_to_xyY' : ['RGB'], + 'Lab_to_HSL' : ['RGB'], + 'HSL_to_Lab' : ['RGB'], + 'LCHab_to_HSL' : ['RGB'], + 'HSL_to_LCHab' : ['RGB'], + 'Luv_to_HSL' : ['RGB'], + 'HSL_to_Luv' : ['RGB'], + 'LCHuv_to_HSL' : ['RGB'], + 'HSL_to_LCHuv' : ['RGB'], + 'CMY_to_HSL' : ['RGB'], + 'HSL_to_CMY' : ['RGB'], + 'CMYK_to_HSL' : ['RGB'], + 'HSL_to_CMYK' : ['RGB'], + 'XYZ_to_HSV' : ['RGB'], + 'HSV_to_XYZ' : ['RGB'], + 'xyY_to_HSV' : ['RGB'], + 'HSV_to_xyY' : ['RGB'], + 'Lab_to_HSV' : ['RGB'], + 'HSV_to_Lab' : ['RGB'], + 'LCHab_to_HSV' : ['RGB'], + 'HSV_to_LCHab' : ['RGB'], + 'Luv_to_HSV' : ['RGB'], + 'HSV_to_Luv' : ['RGB'], + 'LCHuv_to_HSV' : ['RGB'], + 'HSV_to_LCHuv' : ['RGB'], + 'CMY_to_HSV' : ['RGB'], + 'HSV_to_CMY' : ['RGB'], + 'CMYK_to_HSV' : ['RGB'], + 'HSV_to_CMYK' : ['RGB'], + 'HSL_to_HSV' : ['RGB'], + 'HSV_to_HSL' : ['RGB'], + 'XYZ_to_CMYK' : ['RGB'], + 'CMYK_to_XYZ' : ['RGB'], + 'xyY_to_CMYK' : ['RGB'], + 'CMYK_to_xyY' : ['RGB'], + 'Lab_to_CMYK' : ['RGB'], + 'CMYK_to_Lab' : ['RGB'], + 'LCHab_to_CMYK' : ['RGB'], + 'CMYK_to_LCHab' : ['RGB'], + 'Luv_to_CMYK' : ['RGB'], + 'CMYK_to_Luv' : ['RGB'], + 'LCHuv_to_CMYK' : ['RGB'], + 'CMYK_to_LCHuv' : ['RGB'] + }; + return this; +} + +dojo.gfx.Colorspace.prototype.convert = function(col, model_from, model_to){ + var k = model_from+'_to_'+model_to; + if (this[k]){ + return this[k](col); + }else{ + if (this.chainMaps[k]){ + var cur = model_from; + var models = this.chainMaps[k].concat(); + models.push(model_to); + for(var i=0; i<models.length; i++){ + col = this.convert(col, cur, models[i]); + cur = models[i]; + } + return col; + }else{ + dojo.debug("Can't convert from "+model_from+' to '+model_to); + } + } +} + +dojo.gfx.Colorspace.prototype.munge = function(keys, args){ + if (dojo.lang.isArray(args[0])){ + args = args[0]; + } + var out = new Array(); + for (var i=0; i<keys.length; i++){ + out[keys.charAt(i)] = args[i]; + } + return out; +} + +dojo.gfx.Colorspace.prototype.getWhitePoint = function(){ + var x = 0; + var y = 0; + var t = 0; + + // ref: http://en.wikipedia.org/wiki/White_point + // TODO: i need some good/better white point values + + switch(this.stdObserver){ + case '2' : + switch(this.whitePoint){ + case 'E' : x=1/3 ; y=1/3 ; t=5400; break; //Equal energy + case 'D50' : x=0.34567; y=0.35850; t=5000; break; + case 'D55' : x=0.33242; y=0.34743; t=5500; break; + case 'D65' : x=0.31271; y=0.32902; t=6500; break; + case 'D75' : x=0.29902; y=0.31485; t=7500; break; + case 'A' : x=0.44757; y=0.40745; t=2856; break; //Incandescent tungsten + case 'B' : x=0.34842; y=0.35161; t=4874; break; + case 'C' : x=0.31006; y=0.31616; t=6774; break; + case '9300': x=0.28480; y=0.29320; t=9300; break; //Blue phosphor monitors + case 'F2' : x=0.37207; y=0.37512; t=4200; break; //Cool White Fluorescent + case 'F7' : x=0.31285; y=0.32918; t=6500; break; //Narrow Band Daylight Fluorescent + case 'F11' : x=0.38054; y=0.37691; t=4000; break; //Narrow Band White Fluorescent + default: dojo.debug('White point '+this.whitePoint+" isn't defined for Std. Observer "+this.strObserver); + }; + break; + case '10' : + switch(this.whitePoint){ + case 'E' : x=1/3 ; y=1/3 ; t=5400; break; //Equal energy + case 'D50' : x=0.34773; y=0.35952; t=5000; break; + case 'D55' : x=0.33411; y=0.34877; t=5500; break; + case 'D65' : x=0.31382; y=0.33100; t=6500; break; + case 'D75' : x=0.29968; y=0.31740; t=7500; break; + case 'A' : x=0.45117; y=0.40594; t=2856; break; //Incandescent tungsten + case 'B' : x=0.3498 ; y=0.3527 ; t=4874; break; + case 'C' : x=0.31039; y=0.31905; t=6774; break; + case 'F2' : x=0.37928; y=0.36723; t=4200; break; //Cool White Fluorescent + case 'F7' : x=0.31565; y=0.32951; t=6500; break; //Narrow Band Daylight Fluorescent + case 'F11' : x=0.38543; y=0.37110; t=4000; break; //Narrow Band White Fluorescent + default: dojo.debug('White point '+this.whitePoint+" isn't defined for Std. Observer "+this.strObserver); + }; + break; + default: + dojo.debug("Std. Observer "+this.strObserver+" isn't defined"); + } + + var z = 1 - x - y; + var wp = {'x':x, 'y':y, 'z':z, 't':t}; + wp.Y = 1; + + var XYZ = this.xyY_to_XYZ([wp.x, wp.y, wp.Y]); + wp.X = XYZ[0]; + wp.Y = XYZ[1]; + wp.Z = XYZ[2]; + return wp; +} + +dojo.gfx.Colorspace.prototype.getPrimaries = function(){ + // ref: http://www.fho-emden.de/~hoffmann/ciexyz29082000.pdf + // ref: http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html + var m = []; + switch(this.RGBWorkingSpace){ + case 'adobe_rgb_1998' : m = [2.2, 'D65', 0.6400, 0.3300, 0.297361, 0.2100, 0.7100, 0.627355, 0.1500, 0.0600, 0.075285]; break; + case 'apple_rgb' : m = [1.8, 'D65', 0.6250, 0.3400, 0.244634, 0.2800, 0.5950, 0.672034, 0.1550, 0.0700, 0.083332]; break; + case 'best_rgb' : m = [2.2, 'D50', 0.7347, 0.2653, 0.228457, 0.2150, 0.7750, 0.737352, 0.1300, 0.0350, 0.034191]; break; + case 'beta_rgb' : m = [2.2, 'D50', 0.6888, 0.3112, 0.303273, 0.1986, 0.7551, 0.663786, 0.1265, 0.0352, 0.032941]; break; + case 'bruce_rgb' : m = [2.2, 'D65', 0.6400, 0.3300, 0.240995, 0.2800, 0.6500, 0.683554, 0.1500, 0.0600, 0.075452]; break; + case 'cie_rgb' : m = [2.2, 'E' , 0.7350, 0.2650, 0.176204, 0.2740, 0.7170, 0.812985, 0.1670, 0.0090, 0.010811]; break; + case 'color_match_rgb' : m = [1.8, 'D50', 0.6300, 0.3400, 0.274884, 0.2950, 0.6050, 0.658132, 0.1500, 0.0750, 0.066985]; break; + case 'don_rgb_4' : m = [2.2, 'D50', 0.6960, 0.3000, 0.278350, 0.2150, 0.7650, 0.687970, 0.1300, 0.0350, 0.033680]; break; + case 'eci_rgb' : m = [1.8, 'D50', 0.6700, 0.3300, 0.320250, 0.2100, 0.7100, 0.602071, 0.1400, 0.0800, 0.077679]; break; + case 'ekta_space_ps5' : m = [2.2, 'D50', 0.6950, 0.3050, 0.260629, 0.2600, 0.7000, 0.734946, 0.1100, 0.0050, 0.004425]; break; + case 'ntsc_rgb' : m = [2.2, 'C' , 0.6700, 0.3300, 0.298839, 0.2100, 0.7100, 0.586811, 0.1400, 0.0800, 0.114350]; break; + case 'pal_secam_rgb' : m = [2.2, 'D65', 0.6400, 0.3300, 0.222021, 0.2900, 0.6000, 0.706645, 0.1500, 0.0600, 0.071334]; break; + case 'pro_photo_rgb' : m = [1.8, 'D50', 0.7347, 0.2653, 0.288040, 0.1596, 0.8404, 0.711874, 0.0366, 0.0001, 0.000086]; break; + case 'smpte-c_rgb' : m = [2.2, 'D65', 0.6300, 0.3400, 0.212395, 0.3100, 0.5950, 0.701049, 0.1550, 0.0700, 0.086556]; break; + case 's_rgb' : m = [2.2, 'D65', 0.6400, 0.3300, 0.212656, 0.3000, 0.6000, 0.715158, 0.1500, 0.0600, 0.072186]; break; + case 'wide_gamut_rgb' : m = [2.2, 'D50', 0.7350, 0.2650, 0.258187, 0.1150, 0.8260, 0.724938, 0.1570, 0.0180, 0.016875]; break; + default: dojo.debug("RGB working space "+this.RGBWorkingSpace+" isn't defined"); + } + + var p = { + name: this.RGBWorkingSpace, + gamma:m[0], + wp:m[1], + xr:m[2], + yr:m[3], + Yr:m[4], + xg:m[5], + yg:m[6], + Yg:m[7], + xb:m[8], + yb:m[9], + Yb:m[10] + }; + + // if WP doesn't match current WP, convert the primaries over + if (p.wp != this.whitePoint){ + var r = this.XYZ_to_xyY( this.chromaticAdaptation( this.xyY_to_XYZ([p.xr, p.yr, p.Yr]), p.wp, this.whitePoint ) ); + var g = this.XYZ_to_xyY( this.chromaticAdaptation( this.xyY_to_XYZ([p.xg, p.yg, p.Yg]), p.wp, this.whitePoint ) ); + var b = this.XYZ_to_xyY( this.chromaticAdaptation( this.xyY_to_XYZ([p.xb, p.yb, p.Yb]), p.wp, this.whitePoint ) ); + + p.xr = r[0]; + p.yr = r[1]; + p.Yr = r[2]; + + p.xg = g[0]; + p.yg = g[1]; + p.Yg = g[2]; + + p.xb = b[0]; + p.yb = b[1]; + p.Yb = b[2]; + + p.wp = this.whitePoint; + } + + p.zr = 1 - p.xr - p.yr; + p.zg = 1 - p.xg - p.yg; + p.zb = 1 - p.xb - p.yb; + return p; +} + +dojo.gfx.Colorspace.prototype.epsilon = function(){ + return this.useApproxCIELabMapping ? 0.008856 : 216 / 24289; +} + +dojo.gfx.Colorspace.prototype.kappa = function(){ + return this.useApproxCIELabMapping ? 903.3 : 24389 / 27; +} + +dojo.gfx.Colorspace.prototype.XYZ_to_xyY = function(){ + var src = this.munge('XYZ', arguments); + var sum = src.X + src.Y + src.Z; + if (sum == 0){ + var wp = this.getWhitePoint(); + var x = wp.x; + var y = wp.y; + }else{ + var x = src.X / sum; + var y = src.Y / sum; + } + + var Y = src.Y; + return [x, y, Y]; +} + +dojo.gfx.Colorspace.prototype.xyY_to_XYZ = function(){ + var src = this.munge('xyY', arguments); + if (src.y == 0){ + var X = 0; + var Y = 0; + var Z = 0; + }else{ + var X = (src.x * src.Y) / src.y; + var Y = src.Y; + var Z = ((1 - src.x - src.y) * src.Y) / src.y; + } + + return [X, Y, Z]; +} + +dojo.gfx.Colorspace.prototype.RGB_to_XYZ = function(){ + var src = this.munge('RGB', arguments); + var m = this.getRGB_XYZ_Matrix(); + var pr = this.getPrimaries(); + + if (this.RGBWorkingSpace == 's_rgb'){ + var r = (src.R > 0.04045) ? Math.pow(((src.R + 0.055) / 1.055), 2.4) : src.R / 12.92; + var g = (src.G > 0.04045) ? Math.pow(((src.G + 0.055) / 1.055), 2.4) : src.G / 12.92; + var b = (src.B > 0.04045) ? Math.pow(((src.B + 0.055) / 1.055), 2.4) : src.B / 12.92; + }else{ + var r = Math.pow(src.R, pr.gamma); + var g = Math.pow(src.G, pr.gamma); + var b = Math.pow(src.B, pr.gamma); + } + + var XYZ = dojo.math.matrix.multiply([[r, g, b]], m); + return [XYZ[0][0], XYZ[0][1], XYZ[0][2]]; +} + +dojo.gfx.Colorspace.prototype.XYZ_to_RGB = function(){ + var src = this.munge('XYZ', arguments); + var mi = this.getXYZ_RGB_Matrix(); + var pr = this.getPrimaries(); + + var rgb = dojo.math.matrix.multiply([[src.X, src.Y, src.Z]], mi); + var r = rgb[0][0]; + var g = rgb[0][1]; + var b = rgb[0][2]; + + if (this.RGBWorkingSpace == 's_rgb'){ + var R = (r > 0.0031308) ? (1.055 * Math.pow(r, 1.0/2.4)) - 0.055 : 12.92 * r; + var G = (g > 0.0031308) ? (1.055 * Math.pow(g, 1.0/2.4)) - 0.055 : 12.92 * g; + var B = (b > 0.0031308) ? (1.055 * Math.pow(b, 1.0/2.4)) - 0.055 : 12.92 * b; + }else{ + var R = Math.pow(r, 1/pr.gamma); + var G = Math.pow(g, 1/pr.gamma); + var B = Math.pow(b, 1/pr.gamma); + } + return [R, G, B]; +} + +dojo.gfx.Colorspace.prototype.XYZ_to_Lab = function(){ + var src = this.munge('XYZ', arguments); + var wp = this.getWhitePoint(); + + var xr = src.X / wp.X; + var yr = src.Y / wp.Y; + var zr = src.Z / wp.Z; + + var fx = (xr > this.epsilon()) ? Math.pow(xr, 1/3) : (this.kappa() * xr + 16) / 116; + var fy = (yr > this.epsilon()) ? Math.pow(yr, 1/3) : (this.kappa() * yr + 16) / 116; + var fz = (zr > this.epsilon()) ? Math.pow(zr, 1/3) : (this.kappa() * zr + 16) / 116; + + var L = 116 * fy - 16; + var a = 500 * (fx - fy); + var b = 200 * (fy - fz); + + return [L, a, b]; +} + +dojo.gfx.Colorspace.prototype.Lab_to_XYZ = function(){ + var src = this.munge('Lab', arguments); + var wp = this.getWhitePoint(); + var yr = (src.L > (this.kappa() * this.epsilon())) ? Math.pow((src.L + 16) / 116, 3) : src.L / this.kappa(); + + var fy = (yr > this.epsilon()) ? (src.L + 16) / 116 : (this.kappa() * yr + 16) / 116; + var fx = (src.a / 500) + fy; + var fz = fy - (src.b / 200); + + var fxcube = Math.pow(fx, 3); + var fzcube = Math.pow(fz, 3); + + var xr = (fxcube > this.epsilon()) ? fxcube : (116 * fx - 16) / this.kappa(); + var zr = (fzcube > this.epsilon()) ? fzcube : (116 * fz - 16) / this.kappa(); + + var X = xr * wp.X; + var Y = yr * wp.Y; + var Z = zr * wp.Z; + + return [X, Y, Z]; +} + +dojo.gfx.Colorspace.prototype.Lab_to_LCHab = function(){ + var src = this.munge('Lab', arguments); + + var L = src.L; + var C = Math.pow(src.a * src.a + src.b * src.b, 0.5); + var H = Math.atan2(src.b, src.a) * (180 / Math.PI); + + if (H < 0){ H += 360; } + if (H > 360){ H -= 360; } + + return [L, C, H]; +} + +dojo.gfx.Colorspace.prototype.LCHab_to_Lab = function(){ + var src = this.munge('LCH', arguments); + + var H_rad = src.H * (Math.PI / 180); + var L = src.L; + var a = src.C / Math.pow(Math.pow(Math.tan(H_rad), 2) + 1, 0.5); + if ((90 < src.H) && (src.H < 270)){ a= -a; } + + var b = Math.pow(Math.pow(src.C, 2) - Math.pow(a, 2), 0.5); + if (src.H > 180){ b = -b; } + + return [L, a, b]; +} + +////////////////////////////////////////////////////////////////////////////////////////////////////// +// +// this function converts an XYZ color array (col) from one whitepoint (src_w) to another (dst_w) +// + +dojo.gfx.Colorspace.prototype.chromaticAdaptation = function(col, src_w, dst_w){ + col = this.munge('XYZ', [col]); + var old_wp = this.whitePoint; + + this.whitePoint = src_w; + var wp_src = this.getWhitePoint(); + + this.whitePoint = dst_w; + var wp_dst = this.getWhitePoint(); + + this.whitePoint = old_wp; + + switch(this.chromaticAdaptationAlg){ + case 'xyz_scaling': + var ma = [[1,0,0],[0,1,0],[0,0,1]]; + var mai = [[1,0,0],[0,1,0],[0,0,1]]; + break; + case 'bradford': + var ma = [[0.8951, -0.7502, 0.0389],[0.2664, 1.7135, -0.0685],[-0.1614, 0.0367, 1.0296]]; + var mai = [[0.986993, 0.432305, -0.008529],[-0.147054, 0.518360, 0.040043],[0.159963, 0.049291, 0.968487]]; + break; + case 'von_kries': + var ma = [[0.40024, -0.22630, 0.00000],[0.70760, 1.16532, 0.00000],[-0.08081, 0.04570, 0.91822]] + var mai = [[1.859936, 0.361191, 0.000000],[-1.129382, 0.638812, 0.000000],[0.219897, -0.000006, 1.089064]] + break; + default: + dojo.debug("The "+this.chromaticAdaptationAlg+" chromatic adaptation algorithm matricies are not defined"); + } + + var domain_src = dojo.math.matrix.multiply( [[wp_src.x, wp_src.y, wp_src.z]], ma); + var domain_dst = dojo.math.matrix.multiply( [[wp_dst.x, wp_dst.y, wp_dst.z]], ma); + + var centre = [ + [domain_dst[0][0]/domain_src[0][0], 0, 0], + [0, domain_dst[0][1]/domain_src[0][1], 0], + [0, 0, domain_dst[0][2]/domain_src[0][2]] + ]; + + var m = dojo.math.matrix.multiply( dojo.math.matrix.multiply( ma, centre ), mai ); + var dst = dojo.math.matrix.multiply( [[ col.X, col.Y, col.Z ]], m ); + return dst[0]; +} + +////////////////////////////////////////////////////////////////////////////////////////////////////// +dojo.gfx.Colorspace.prototype.getRGB_XYZ_Matrix = function(){ + var wp = this.getWhitePoint(); + var pr = this.getPrimaries(); + + var Xr = pr.xr / pr.yr; + var Yr = 1; + var Zr = (1 - pr.xr - pr.yr) / pr.yr; + + var Xg = pr.xg / pr.yg; + var Yg = 1; + var Zg = (1 - pr.xg - pr.yg) / pr.yg; + + var Xb = pr.xb / pr.yb; + var Yb = 1; + var Zb = (1 - pr.xb - pr.yb) / pr.yb; + + var m1 = [[Xr, Yr, Zr],[Xg, Yg, Zg],[Xb, Yb, Zb]]; + var m2 = [[wp.X, wp.Y, wp.Z]]; + var sm = dojo.math.matrix.multiply(m2, dojo.math.matrix.inverse(m1)); + + var Sr = sm[0][0]; + var Sg = sm[0][1]; + var Sb = sm[0][2]; + + var m4 = [[Sr*Xr, Sr*Yr, Sr*Zr], + [Sg*Xg, Sg*Yg, Sg*Zg], + [Sb*Xb, Sb*Yb, Sb*Zb]]; + + return m4; +} + +dojo.gfx.Colorspace.prototype.getXYZ_RGB_Matrix = function(){ + var m = this.getRGB_XYZ_Matrix(); + return dojo.math.matrix.inverse(m); +} + +dojo.gfx.Colorspace.prototype.XYZ_to_Luv = function(){ + var src = this.munge('XYZ', arguments); + + var wp = this.getWhitePoint(); + var ud = (4 * src.X) / (src.X + 15 * src.Y + 3 * src.Z); + var vd = (9 * src.Y) / (src.X + 15 * src.Y + 3 * src.Z); + + var udr = (4 * wp.X) / (wp.X + 15 * wp.Y + 3 * wp.Z); + var vdr = (9 * wp.Y) / (wp.X + 15 * wp.Y + 3 * wp.Z); + var yr = src.Y / wp.Y; + + var L = (yr > this.epsilon()) ? 116 * Math.pow(yr, 1/3) - 16 : this.kappa() * yr; + var u = 13 * L * (ud-udr); + var v = 13 * L * (vd-vdr); + + return [L, u, v]; +} + +dojo.gfx.Colorspace.prototype.Luv_to_XYZ = function(){ + var src = this.munge('Luv', arguments); + + var wp = this.getWhitePoint(); + var uz = (4 * wp.X) / (wp.X + 15 * wp.Y + 3 * wp.Z); + var vz = (9 * wp.Y) / (wp.X + 15 * wp.Y + 3 * wp.Z); + var Y = (src.L > this.kappa() * this.epsilon()) ? Math.pow((src.L + 16) / 116, 3) : src.L / this.kappa(); + + var a = (1 / 3) * (((52 * src.L) / (src.u + 13 * src.L * uz)) - 1); + var b = -5 * Y; + var c = - (1 / 3); + var d = Y * (((39 * src.L) / (src.v + 13 * src.L * vz)) - 5); + + var X = (d - b) / (a - c); + var Z = X * a + b; + + return [X, Y, Z]; +} + +dojo.gfx.Colorspace.prototype.Luv_to_LCHuv = function(){ + var src = this.munge('Luv', arguments); + + var L = src.L; + var C = Math.pow(src.u * src.u + src.v * src.v, 0.5); + var H = Math.atan2(src.v, src.u) * (180 / Math.PI); + + if (H < 0){ H += 360; } + if (H > 360){ H -= 360; } + + return [L, C, H]; +} + +dojo.gfx.Colorspace.prototype.LCHuv_to_Luv = function(){ + var src = this.munge('LCH', arguments); + + var H_rad = src.H * (Math.PI / 180); + var L = src.L; + var u = src.C / Math.pow(Math.pow(Math.tan(H_rad), 2) + 1, 0.5); + var v = Math.pow(src.C * src.C - u * u, 0.5); + + if ((90 < src.H) && (src.H < 270)){ u *= -1; } + if (src.H > 180){ v *= -1; } + + return [L, u, v]; +} + +dojo.gfx.Colorspace.colorTemp_to_whitePoint = function(T){ + if (T < 4000){ + dojo.debug("Can't find a white point for temperatures under 4000K"); + return [0,0]; + } + + if (T > 25000){ + dojo.debug("Can't find a white point for temperatures over 25000K"); + return [0,0]; + } + + var T1 = T; + var T2 = T * T; + var T3 = T2 * T; + + var ten9 = Math.pow(10, 9); + var ten6 = Math.pow(10, 6); + var ten3 = Math.pow(10, 3); + + if (T <= 7000){ + var x = (-4.6070 * ten9 / T3) + (2.9678 * ten6 / T2) + (0.09911 * ten3 / T) + 0.244063; + }else{ + var x = (-2.0064 * ten9 / T3) + (1.9018 * ten6 / T2) + (0.24748 * ten3 / T) + 0.237040; + } + var y = -3.000 * x * x + 2.870 * x - 0.275; + + return [x, y]; +} + +dojo.gfx.Colorspace.prototype.RGB_to_CMY = function(){ + var src = this.munge('RGB', arguments); + + var C = 1 - src.R; + var M = 1 - src.G; + var Y = 1 - src.B; + + return [C, M, Y]; +} + +dojo.gfx.Colorspace.prototype.CMY_to_RGB = function(){ + var src = this.munge('CMY', arguments); + + var R = 1 - src.C; + var G = 1 - src.M; + var B = 1 - src.Y; + + return [R, G, B]; +} + +dojo.gfx.Colorspace.prototype.RGB_to_CMYK = function(){ + var src = this.munge('RGB', arguments); + + var K = Math.min(1-src.R, 1-src.G, 1-src.B); + var C = (1 - src.R - K) / (1 - K); + var M = (1 - src.G - K) / (1 - K); + var Y = (1 - src.B - K) / (1 - K); + + return [C, M, Y, K]; +} + +dojo.gfx.Colorspace.prototype.CMYK_to_RGB = function(){ + var src = this.munge('CMYK', arguments); + + var R = 1 - Math.min(1, src.C * (1-src.K) + src.K); + var G = 1 - Math.min(1, src.M * (1-src.K) + src.K); + var B = 1 - Math.min(1, src.Y * (1-src.K) + src.K); + + return [R, G, B]; +} + +dojo.gfx.Colorspace.prototype.CMY_to_CMYK = function(){ + var src = this.munge('CMY', arguments); + + var K = Math.min(src.C, src.M, src.Y); + var C = (src.C - K) / (1 - K); + var M = (src.M - K) / (1 - K); + var Y = (src.Y - K) / (1 - K); + + return [C, M, Y, K]; +} + +dojo.gfx.Colorspace.prototype.CMYK_to_CMY = function(){ + var src = this.munge('CMYK', arguments); + + var C = Math.min(1, src.C * (1-src.K) + src.K); + var M = Math.min(1, src.M * (1-src.K) + src.K); + var Y = Math.min(1, src.Y * (1-src.K) + src.K); + + return [C, M, Y]; +} + +dojo.gfx.Colorspace.prototype.RGB_to_HSV = function(){ + var src = this.munge('RGB', arguments); + + // Based on C Code in "Computer Graphics -- Principles and Practice," + // Foley et al, 1996, p. 592. + + var min = Math.min(src.R, src.G, src.B); + var V = Math.max(src.R, src.G, src.B); + + var delta = V - min; + + var H = null; + var S = (V == 0) ? 0 : delta / V; + + if (S == 0){ + H = 0; + }else{ + if (src.R == V){ + H = 60 * (src.G - src.B) / delta; + }else{ + if (src.G == V){ + H = 120 + 60 * (src.B - src.R) / delta; + }else{ + if (src.B == V){ + // between magenta and cyan + H = 240 + 60 * (src.R - src.G) / delta; + } + } + } + if (H < 0){ + H += 360; + } + } + + H = (H == 0) ? 360 : H; + + return [H, S, V]; +} + +dojo.gfx.Colorspace.prototype.HSV_to_RGB = function(){ + var src = this.munge('HSV', arguments); + if (src.H == 360){ src.H = 0;} + + // Based on C Code in "Computer Graphics -- Principles and Practice," + // Foley et al, 1996, p. 593. + var r = null; + var g = null; + var b = null; + + if (src.S == 0){ + // color is on black-and-white center line + // achromatic: shades of gray + var R = src.V; + var G = src.V; + var B = src.V; + }else{ + // chromatic color + var hTemp = src.H / 60; // h is now IN [0,6] + var i = Math.floor(hTemp); // largest integer <= h + var f = hTemp - i; // fractional part of h + + var p = src.V * (1 - src.S); + var q = src.V * (1 - (src.S * f)); + var t = src.V * (1 - (src.S * (1 - f))); + + switch(i){ + case 0: R = src.V; G = t ; B = p ; break; + case 1: R = q ; G = src.V; B = p ; break; + case 2: R = p ; G = src.V; B = t ; break; + case 3: R = p ; G = q ; B = src.V; break; + case 4: R = t ; G = p ; B = src.V; break; + case 5: R = src.V; G = p ; B = q ; break; + } + } + + return [R, G, B]; +} + +dojo.gfx.Colorspace.prototype.RGB_to_HSL = function(){ + var src = this.munge('RGB', arguments); + + // based on C code from http://astronomy.swin.edu.au/~pbourke/colour/hsl/ + var min = Math.min(src.R, src.G, src.B); + var max = Math.max(src.R, src.G, src.B); + var delta = max - min; + + var H = 0; + var S = 0; + var L = (min + max) / 2; + + if ((L > 0) && (L < 1)){ + S = delta / ((L < 0.5) ? (2 * L) : (2 - 2 * L)); + } + + if (delta > 0) { + if ((max == src.R) && (max != src.G)){ + H += (src.G - src.B) / delta; + } + if ((max == src.G) && (max != src.B)){ + H += (2 + (src.B - src.R) / delta); + } + if ((max == src.B) && (max != src.R)){ + H += (4 + (src.R - src.G) / delta); + } + H *= 60; + } + H = (H == 0) ? 360 : H; + return [H, S, L]; +} + +dojo.gfx.Colorspace.prototype.HSL_to_RGB = function(){ + var src = this.munge('HSL', arguments); + + // based on C code from http://astronomy.swin.edu.au/~pbourke/colour/hsl/ + while (src.H < 0){ src.H += 360; } + while (src.H >= 360){ src.H -= 360; } + + var R = 0; + var G = 0; + var B = 0; + + if (src.H < 120){ + R = (120 - src.H) / 60; + G = src.H / 60; + B = 0; + }else if (src.H < 240){ + R = 0; + G = (240 - src.H) / 60; + B = (src.H - 120) / 60; + }else{ + R = (src.H - 240) / 60; + G = 0; + B = (360 - src.H) / 60; + } + + R = 2 * src.S * Math.min(R, 1) + (1 - src.S); + G = 2 * src.S * Math.min(G, 1) + (1 - src.S); + B = 2 * src.S * Math.min(B, 1) + (1 - src.S); + + if (src.L < 0.5){ + R = src.L * R; + G = src.L * G; + B = src.L * B; + }else{ + R = (1 - src.L) * R + 2 * src.L - 1; + G = (1 - src.L) * G + 2 * src.L - 1; + B = (1 - src.L) * B + 2 * src.L - 1; + } + return [R, G, B]; +} Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/Colorspace.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,23 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.kwCompoundRequire({ + common: [ + "dojo.gfx.color", + "dojo.gfx.matrix", + "dojo.gfx.common" + ] +}); + +// include a renderer conditionally +dojo.requireIf(dojo.render.svg.capable, "dojo.gfx.svg"); +dojo.requireIf(dojo.render.vml.capable, "dojo.gfx.vml"); + +dojo.provide("dojo.gfx.*"); \ No newline at end of file Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/__package__.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,183 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.color"); +dojo.require("dojo.lang.common"); +dojo.require("dojo.lang.array"); + +// TODO: rewrite the "x2y" methods to take advantage of the parsing +// abilities of the Color object. Also, beef up the Color +// object (as possible) to parse most common formats + +// takes an r, g, b, a(lpha) value, [r, g, b, a] array, "rgb(...)" string, hex string (#aaa, #aaaaaa, aaaaaaa) +dojo.gfx.color.Color = function(r, g, b, a) { + // dojo.debug("r:", r[0], "g:", r[1], "b:", r[2]); + if(dojo.lang.isArray(r)){ + this.r = r[0]; + this.g = r[1]; + this.b = r[2]; + this.a = r[3]||1.0; + }else if(dojo.lang.isString(r)){ + var rgb = dojo.gfx.color.extractRGB(r); + this.r = rgb[0]; + this.g = rgb[1]; + this.b = rgb[2]; + this.a = g||1.0; + }else if(r instanceof dojo.gfx.color.Color){ + // why does this create a new instance if we were passed one? + this.r = r.r; + this.b = r.b; + this.g = r.g; + this.a = r.a; + }else{ + this.r = r; + this.g = g; + this.b = b; + this.a = a; + } +} + +dojo.gfx.color.Color.fromArray = function(arr) { + return new dojo.gfx.color.Color(arr[0], arr[1], arr[2], arr[3]); +} + +dojo.extend(dojo.gfx.color.Color, { + toRgb: function(includeAlpha) { + if(includeAlpha) { + return this.toRgba(); + } else { + return [this.r, this.g, this.b]; + } + }, + toRgba: function() { + return [this.r, this.g, this.b, this.a]; + }, + toHex: function() { + return dojo.gfx.color.rgb2hex(this.toRgb()); + }, + toCss: function() { + return "rgb(" + this.toRgb().join() + ")"; + }, + toString: function() { + return this.toHex(); // decent default? + }, + blend: function(color, weight){ + var rgb = null; + if(dojo.lang.isArray(color)){ + rgb = color; + }else if(color instanceof dojo.gfx.color.Color){ + rgb = color.toRgb(); + }else{ + rgb = new dojo.gfx.color.Color(color).toRgb(); + } + return dojo.gfx.color.blend(this.toRgb(), rgb, weight); + } +}); + +dojo.gfx.color.named = { + white: [255,255,255], + black: [0,0,0], + red: [255,0,0], + green: [0,255,0], + lime: [0,255,0], + blue: [0,0,255], + navy: [0,0,128], + gray: [128,128,128], + silver: [192,192,192] +}; + +dojo.gfx.color.blend = function(a, b, weight){ + // summary: + // blend colors a and b (both as RGB array or hex strings) with weight + // from -1 to +1, 0 being a 50/50 blend + if(typeof a == "string"){ + return dojo.gfx.color.blendHex(a, b, weight); + } + if(!weight){ + weight = 0; + } + weight = Math.min(Math.max(-1, weight), 1); + + // alex: this interface blows. + // map -1 to 1 to the range 0 to 1 + weight = ((weight + 1)/2); + + var c = []; + + // var stop = (1000*weight); + for(var x = 0; x < 3; x++){ + c[x] = parseInt( b[x] + ( (a[x] - b[x]) * weight) ); + } + return c; +} + +// very convenient blend that takes and returns hex values +// (will get called automatically by blend when blend gets strings) +dojo.gfx.color.blendHex = function(a, b, weight) { + return dojo.gfx.color.rgb2hex(dojo.gfx.color.blend(dojo.gfx.color.hex2rgb(a), dojo.gfx.color.hex2rgb(b), weight)); +} + +// get RGB array from css-style color declarations +dojo.gfx.color.extractRGB = function(color) { + var hex = "0123456789abcdef"; + color = color.toLowerCase(); + if( color.indexOf("rgb") == 0 ) { + var matches = color.match(/rgba*\((\d+), *(\d+), *(\d+)/i); + var ret = matches.splice(1, 3); + return ret; + } else { + var colors = dojo.gfx.color.hex2rgb(color); + if(colors) { + return colors; + } else { + // named color (how many do we support?) + return dojo.gfx.color.named[color] || [255, 255, 255]; + } + } +} + +dojo.gfx.color.hex2rgb = function(hex) { + var hexNum = "0123456789ABCDEF"; + var rgb = new Array(3); + if( hex.indexOf("#") == 0 ) { hex = hex.substring(1); } + hex = hex.toUpperCase(); + if(hex.replace(new RegExp("["+hexNum+"]", "g"), "") != "") { + return null; + } + if( hex.length == 3 ) { + rgb[0] = hex.charAt(0) + hex.charAt(0) + rgb[1] = hex.charAt(1) + hex.charAt(1) + rgb[2] = hex.charAt(2) + hex.charAt(2); + } else { + rgb[0] = hex.substring(0, 2); + rgb[1] = hex.substring(2, 4); + rgb[2] = hex.substring(4); + } + for(var i = 0; i < rgb.length; i++) { + rgb[i] = hexNum.indexOf(rgb[i].charAt(0)) * 16 + hexNum.indexOf(rgb[i].charAt(1)); + } + return rgb; +} + +dojo.gfx.color.rgb2hex = function(r, g, b) { + if(dojo.lang.isArray(r)) { + g = r[1] || 0; + b = r[2] || 0; + r = r[0] || 0; + } + var ret = dojo.lang.map([r, g, b], function(x) { + x = new Number(x); + var s = x.toString(16); + while(s.length < 2) { s = "0" + s; } + return s; + }); + ret.unshift("#"); + return ret.join(""); +} Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,139 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.color.hsl"); +dojo.require("dojo.lang.array"); + +dojo.lang.extend(dojo.gfx.color.Color, { + toHsl: function() { + return dojo.gfx.color.rgb2hsl(this.toRgb()); + } +}); + +dojo.gfx.color.rgb2hsl = function(r, g, b){ + if (dojo.lang.isArray(r)) { + b = r[2] || 0; + g = r[1] || 0; + r = r[0] || 0; + } + + r /= 255; + g /= 255; + b /= 255; + + // + // based on C code from http://astronomy.swin.edu.au/~pbourke/colour/hsl/ + // + + var h = null; + var s = null; + var l = null; + + var min = Math.min(r, g, b); + var max = Math.max(r, g, b); + var delta = max - min; + + l = (min + max) / 2; + s = 0; + + if ((l > 0) && (l < 1)){ + s = delta / ((l < 0.5) ? (2 * l) : (2 - 2 * l)); + } + + h = 0; + + if (delta > 0) { + if ((max == r) && (max != g)){ + h += (g - b) / delta; + } + if ((max == g) && (max != b)){ + h += (2 + (b - r) / delta); + } + if ((max == b) && (max != r)){ + h += (4 + (r - g) / delta); + } + h *= 60; + } + + h = (h == 0) ? 360 : Math.ceil((h / 360) * 255); + s = Math.ceil(s * 255); + l = Math.ceil(l * 255); + + return [h, s, l]; +} + +dojo.gfx.color.hsl2rgb = function(h, s, l){ + if (dojo.lang.isArray(h)) { + l = h[2] || 0; + s = h[1] || 0; + h = h[0] || 0; + } + + h = (h / 255) * 360; + if (h == 360){ h = 0;} + s = s / 255; + l = l / 255; + + // + // based on C code from http://astronomy.swin.edu.au/~pbourke/colour/hsl/ + // + + + while (h < 0){ h += 360; } + while (h > 360){ h -= 360; } + var r, g, b; + if (h < 120){ + r = (120 - h) / 60; + g = h / 60; + b = 0; + }else if (h < 240){ + r = 0; + g = (240 - h) / 60; + b = (h - 120) / 60; + }else{ + r = (h - 240) / 60; + g = 0; + b = (360 - h) / 60; + } + + r = Math.min(r, 1); + g = Math.min(g, 1); + b = Math.min(b, 1); + + r = 2 * s * r + (1 - s); + g = 2 * s * g + (1 - s); + b = 2 * s * b + (1 - s); + + if (l < 0.5){ + r = l * r; + g = l * g; + b = l * b; + }else{ + r = (1 - l) * r + 2 * l - 1; + g = (1 - l) * g + 2 * l - 1; + b = (1 - l) * b + 2 * l - 1; + } + + r = Math.ceil(r * 255); + g = Math.ceil(g * 255); + b = Math.ceil(b * 255); + + return [r, g, b]; +} + +dojo.gfx.color.hsl2hex = function(h, s, l){ + var rgb = dojo.gfx.color.hsl2rgb(h, s, l); + return dojo.gfx.color.rgb2hex(rgb[0], rgb[1], rgb[2]); +} + +dojo.gfx.color.hex2hsl = function(hex){ + var rgb = dojo.gfx.color.hex2rgb(hex); + return dojo.gfx.color.rgb2hsl(rgb[0], rgb[1], rgb[2]); +} Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsl.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,246 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.color.hsv"); +dojo.require("dojo.lang.array"); +dojo.require("dojo.math"); + +dojo.lang.extend(dojo.gfx.color.Color, { + toHsv: function() { + return dojo.gfx.color.rgb2hsv(this.toRgb()); + } + +}); + +// Default input range for RBG values is 0-255 +dojo.gfx.color.rgb2hsv = function(/* int || Array */r, /* int */g, /* int */b, /* Object? */options){ + // summary + // converts an RGB value set to HSV, ranges depending on optional options object. + // patch for options by Matthew Eernisse + if (dojo.lang.isArray(r)) { + if(g) { + options = g; + } + b = r[2] || 0; + g = r[1] || 0; + r = r[0] || 0; + } + + var opt = { + inputRange: (options && options.inputRange) ? options.inputRange : 255, + outputRange: (options && options.outputRange) ? options.outputRange : [255, 255, 255] + }; + + // r,g,b, each 0 to 255, to HSV. + // h = 0.0 to 360.0 (corresponding to 0..360.0 degrees around hexcone) + // s = 0.0 (shade of gray) to 1.0 (pure color) + // v = 0.0 (black) to 1.0 {white) + // + // Based on C Code in "Computer Graphics -- Principles and Practice," + // Foley et al, 1996, p. 592. + // + // our calculatuions are based on 'regular' values (0-360, 0-1, 0-1) + // but we return bytes values (0-255, 0-255, 0-255) + + var h = null; + var s = null; + var v = null; + + switch(opt.inputRange) { + // 0.0-1.0 + case 1: + r = (r * 255); + g = (g * 255); + b = (b * 255); + break; + // 0-100 + case 100: + r = (r / 100) * 255; + g = (g / 100) * 255; + b = (b / 100) * 255; + break; + // 0-255 + default: + // Do nothing + break; + } + + var min = Math.min(r, g, b); + v = Math.max(r, g, b); + + var delta = v - min; + + // calculate saturation (0 if r, g and b are all 0) + + s = (v == 0) ? 0 : delta/v; + if (s == 0){ + // achromatic: when saturation is, hue is undefined + h = 0; + }else{ + // chromatic + if (r == v){ + // between yellow and magenta + h = 60 * (g - b) / delta; + }else{ + if (g == v){ + // between cyan and yellow + h = 120 + 60 * (b - r) / delta; + }else{ + if (b == v){ + // between magenta and cyan + h = 240 + 60 * (r - g) / delta; + } + } + } + if (h <= 0){ + h += 360; + } + } + // Hue + switch (opt.outputRange[0]) { + case 360: + // Do nothing + break; + case 100: + h = (h / 360) * 100; + break; + case 1: + h = (h / 360); + break; + default: // 255 + h = (h / 360) * 255; + break; + } + // Saturation + switch (opt.outputRange[1]) { + case 100: + s = s * 100; + case 1: + // Do nothing + break; + default: // 255 + s = s * 255; + break; + } + // Value + switch (opt.outputRange[2]) { + case 100: + v = (v / 255) * 100; + break; + case 1: + v = (v / 255); + break; + default: // 255 + // Do nothing + break; + } + h = dojo.math.round(h); + s = dojo.math.round(s); + v = dojo.math.round(v); + return [h, s, v]; +} + +// Based on C Code in "Computer Graphics -- Principles and Practice," +// Foley et al, 1996, p. 593. +// +// H = 0 to 255 (corresponding to 0..360 degrees around hexcone) 0 for S = 0 +// S = 0 (shade of gray) to 255 (pure color) +// V = 0 (black) to 255 (white) +dojo.gfx.color.hsv2rgb = function(/* int || Array */h, /* int */s, /* int */v, /* Object? */options){ + // summary + // converts an HSV value set to RGB, ranges depending on optional options object. + // patch for options by Matthew Eernisse + if (dojo.lang.isArray(h)) { + if(s){ + options = s; + } + v = h[2] || 0; + s = h[1] || 0; + h = h[0] || 0; + } + + var opt = { + inputRange: (options && options.inputRange) ? options.inputRange : [255, 255, 255], + outputRange: (options && options.outputRange) ? options.outputRange : 255 + }; + + switch(opt.inputRange[0]) { + // 0.0-1.0 + case 1: h = h * 360; break; + // 0-100 + case 100: h = (h / 100) * 360; break; + // 0-360 + case 360: h = h; break; + // 0-255 + default: h = (h / 255) * 360; + } + if (h == 360){ h = 0;} + + // no need to alter if inputRange[1] = 1 + switch(opt.inputRange[1]){ + case 100: s /= 100; break; + case 255: s /= 255; + } + + // no need to alter if inputRange[1] = 1 + switch(opt.inputRange[2]){ + case 100: v /= 100; break; + case 255: v /= 255; + } + + var r = null; + var g = null; + var b = null; + + if (s == 0){ + // color is on black-and-white center line + // achromatic: shades of gray + r = v; + g = v; + b = v; + }else{ + // chromatic color + var hTemp = h / 60; // h is now IN [0,6] + var i = Math.floor(hTemp); // largest integer <= h + var f = hTemp - i; // fractional part of h + + var p = v * (1 - s); + var q = v * (1 - (s * f)); + var t = v * (1 - (s * (1 - f))); + + switch(i){ + case 0: r = v; g = t; b = p; break; + case 1: r = q; g = v; b = p; break; + case 2: r = p; g = v; b = t; break; + case 3: r = p; g = q; b = v; break; + case 4: r = t; g = p; b = v; break; + case 5: r = v; g = p; b = q; break; + } + } + + switch(opt.outputRange){ + case 1: + r = dojo.math.round(r, 2); + g = dojo.math.round(g, 2); + b = dojo.math.round(b, 2); + break; + case 100: + r = Math.round(r * 100); + g = Math.round(g * 100); + b = Math.round(b * 100); + break; + default: + r = Math.round(r * 255); + g = Math.round(g * 255); + b = Math.round(b * 255); + } + + return [r, g, b]; +} Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/color/hsv.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,118 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.common"); + +dojo.require("dojo.gfx.color"); +dojo.require("dojo.lang.declare"); +dojo.require("dojo.lang.extras"); +dojo.require("dojo.dom"); + +dojo.lang.mixin(dojo.gfx, { + // summary: defines constants, prototypes, and utility functions + + // default shapes, which is used to fill in missing parameters + defaultPath: {type: "path", path: ""}, + defaultPolyline: {type: "polyline", points: []}, + defaultRect: {type: "rect", x: 0, y: 0, width: 100, height: 100, r: 0}, + defaultEllipse: {type: "ellipse", cx: 0, cy: 0, rx: 200, ry: 100}, + defaultCircle: {type: "circle", cx: 0, cy: 0, r: 100}, + defaultLine: {type: "line", x1: 0, y1: 0, x2: 100, y2: 100}, + defaultImage: {type: "image", width: 0, height: 0, src: ""}, + + // default geometric attributes (a stroke, and fills) + defaultStroke: {color: "black", width: 1, cap: "butt", join: 4}, + defaultLinearGradient: {type: "linear", x1: 0, y1: 0, x2: 100, y2: 100, + colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]}, + defaultRadialGradient: {type: "radial", cx: 0, cy: 0, r: 100, + colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]}, + defaultPattern: {type: "pattern", x: 0, y: 0, width: 0, height: 0, src: ""}, + + normalizeColor: function(/*Color*/ color){ + // summary: converts any legal color representation to normalized dojo.gfx.color.Color object + return (color instanceof dojo.gfx.color.Color) ? color : new dojo.gfx.color.Color(color); // dojo.gfx.color.Color + }, + normalizeParameters: function(existed, update){ + // summary: updates an existing object with properties from an "update" object + // existed: Object: the "target" object to be updated + // update: Object: the "update" object, whose properties will be used to update the existed object + if(update){ + var empty = {}; + for(var x in existed){ + if(x in update && !(x in empty)){ + existed[x] = update[x]; + } + } + } + return existed; // Object + }, + makeParameters: function(defaults, update){ + // summary: copies the original object, and all copied properties from the "update" object + // defaults: Object: the object to be cloned before updating + // update: Object: the object, which properties are to be cloned during updating + if(!update) return dojo.lang.shallowCopy(defaults, true); + var result = {}; + for(var i in defaults){ + if(!(i in result)){ + result[i] = dojo.lang.shallowCopy((i in update) ? update[i] : defaults[i], true); + } + } + return result; // Object + }, + formatNumber: function(x, addSpace){ + // summary: converts a number to a string using a fixed notation + // x: Number: number to be converted + // addSpace: Boolean?: if it is true, add a space before a positive number + var val = x.toString(); + if(val.indexOf("e") >= 0){ + val = x.toFixed(4); + }else{ + var point = val.indexOf("."); + if(point >= 0 && val.length - point > 5){ + val = x.toFixed(4); + } + } + if(x < 0){ + return val; // String + } + return addSpace ? " " + val : val; // String + }, + + // a constant used to split a SVG/VML path into primitive components + pathRegExp: /([A-Za-z]+)|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g +}); + +dojo.declare("dojo.gfx.Surface", null, { + // summary: a surface object to be used for drawings + + initializer: function(){ + // summary: a constructor + + // underlying node + this.rawNode = null; + }, + getEventSource: function(){ + // summary: returns a node, which can be used to attach event listeners + + return this.rawNode; // Node + } +}); + +dojo.declare("dojo.gfx.Point", null, { + // summary: a hypothetical 2D point to be used for drawings - {x, y} + // description: This object is defined for documentation purposes. + // You should use a naked object instead: {x: 1, y: 2}. +}); + +dojo.declare("dojo.gfx.Rectangle", null, { + // summary: a hypothetical rectangle - {x, y, width, height} + // description: This object is defined for documentation purposes. + // You should use a naked object instead: {x: 1, y: 2, width: 100, height: 200}. +}); Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/common.js ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/matrix.js URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/matrix.js?view=auto&rev=509273 ============================================================================== --- ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/matrix.js (added) +++ ofbiz/trunk/framework/images/webapp/images/dojo/src/gfx/matrix.js Mon Feb 19 09:56:06 2007 @@ -0,0 +1,406 @@ +/* + Copyright (c) 2004-2006, The Dojo Foundation + All Rights Reserved. + + Licensed under the Academic Free License version 2.1 or above OR the + modified BSD license. For more information on Dojo licensing, see: + + http://dojotoolkit.org/community/licensing.shtml +*/ + +dojo.provide("dojo.gfx.matrix"); + +dojo.require("dojo.lang.common"); +dojo.require("dojo.math.*"); + +dojo.gfx.matrix.Matrix2D = function(arg){ + // summary: a 2D matrix object + // description: Normalizes a 2D matrix-like object. If arrays is passed, + // all objects of the array are normalized and multiplied sequentially. + // arg: Object + // a 2D matrix-like object, or an array of such objects + if(arg){ + if(arg instanceof Array){ + if(arg.length > 0){ + var m = dojo.gfx.matrix.normalize(arg[0]); + // combine matrices + for(var i = 1; i < arg.length; ++i){ + var l = m; + var r = dojo.gfx.matrix.normalize(arg[i]); + m = new dojo.gfx.matrix.Matrix2D(); + m.xx = l.xx * r.xx + l.xy * r.yx; + m.xy = l.xx * r.xy + l.xy * r.yy; + m.yx = l.yx * r.xx + l.yy * r.yx; + m.yy = l.yx * r.xy + l.yy * r.yy; + m.dx = l.xx * r.dx + l.xy * r.dy + l.dx; + m.dy = l.yx * r.dx + l.yy * r.dy + l.dy; + } + dojo.mixin(this, m); + } + }else{ + dojo.mixin(this, arg); + } + } +}; + +// the default (identity) matrix, which is used to fill in missing values +dojo.extend(dojo.gfx.matrix.Matrix2D, {xx: 1, xy: 0, yx: 0, yy: 1, dx: 0, dy: 0}); + +dojo.mixin(dojo.gfx.matrix, { + // summary: class constants, and methods of dojo.gfx.matrix + + // matrix constants + + // identity: dojo.gfx.matrix.Matrix2D + // an identity matrix constant: identity * (x, y) == (x, y) + identity: new dojo.gfx.matrix.Matrix2D(), + + // flipX: dojo.gfx.matrix.Matrix2D + // a matrix, which reflects points at x = 0 line: flipX * (x, y) == (-x, y) + flipX: new dojo.gfx.matrix.Matrix2D({xx: -1}), + + // flipY: dojo.gfx.matrix.Matrix2D + // a matrix, which reflects points at y = 0 line: flipY * (x, y) == (x, -y) + flipY: new dojo.gfx.matrix.Matrix2D({yy: -1}), + + // flipXY: dojo.gfx.matrix.Matrix2D + // a matrix, which reflects points at the origin of coordinates: flipXY * (x, y) == (-x, -y) + flipXY: new dojo.gfx.matrix.Matrix2D({xx: -1, yy: -1}), + + // matrix creators + + translate: function(a, b){ + // summary: forms a translation matrix + // description: The resulting matrix is used to translate (move) points by specified offsets. + // a: Number: an x coordinate value + // b: Number: a y coordinate value + if(arguments.length > 1){ + return new dojo.gfx.matrix.Matrix2D({dx: a, dy: b}); // dojo.gfx.matrix.Matrix2D + } + // branch + // a: dojo.gfx.Point: a point-like object, which specifies offsets for both dimensions + // b: null + return new dojo.gfx.matrix.Matrix2D({dx: a.x, dy: a.y}); // dojo.gfx.matrix.Matrix2D + }, + scale: function(a, b){ + // summary: forms a scaling matrix + // description: The resulting matrix is used to scale (magnify) points by specified offsets. + // a: Number: a scaling factor used for the x coordinate + // b: Number: a scaling factor used for the y coordinate + if(arguments.length > 1){ + return new dojo.gfx.matrix.Matrix2D({xx: a, yy: b}); // dojo.gfx.matrix.Matrix2D + } + if(typeof a == "number"){ + // branch + // a: Number: a uniform scaling factor used for the both coordinates + // b: null + return new dojo.gfx.matrix.Matrix2D({xx: a, yy: a}); // dojo.gfx.matrix.Matrix2D + } + // branch + // a: dojo.gfx.Point: a point-like object, which specifies scale factors for both dimensions + // b: null + return new dojo.gfx.matrix.Matrix2D({xx: a.x, yy: a.y}); // dojo.gfx.matrix.Matrix2D + }, + rotate: function(angle){ + // summary: forms a rotating matrix + // description: The resulting matrix is used to rotate points + // around the origin of coordinates (0, 0) by specified angle. + // angle: Number: an angle of rotation in radians (>0 for CCW) + var c = Math.cos(angle); + var s = Math.sin(angle); + return new dojo.gfx.matrix.Matrix2D({xx: c, xy: s, yx: -s, yy: c}); // dojo.gfx.matrix.Matrix2D + }, + rotateg: function(degree){ + // summary: forms a rotating matrix + // description: The resulting matrix is used to rotate points + // around the origin of coordinates (0, 0) by specified degree. + // See dojo.gfx.matrix.rotate() for comparison. + // degree: Number: an angle of rotation in degrees (>0 for CCW) + return dojo.gfx.matrix.rotate(dojo.math.degToRad(degree)); // dojo.gfx.matrix.Matrix2D + }, + skewX: function(angle) { + // summary: forms an x skewing matrix + // description: The resulting matrix is used to skew points in the x dimension + // around the origin of coordinates (0, 0) by specified angle. + // angle: Number: an skewing angle in radians + return new dojo.gfx.matrix.Matrix2D({xy: Math.tan(angle)}); // dojo.gfx.matrix.Matrix2D + }, + skewXg: function(degree){ + // summary: forms an x skewing matrix + // description: The resulting matrix is used to skew points in the x dimension + // around the origin of coordinates (0, 0) by specified degree. + // See dojo.gfx.matrix.skewX() for comparison. + // degree: Number: an skewing angle in degrees + return dojo.gfx.matrix.skewX(dojo.math.degToRad(degree)); // dojo.gfx.matrix.Matrix2D + }, + skewY: function(angle){ + // summary: forms a y skewing matrix + // description: The resulting matrix is used to skew points in the y dimension + // around the origin of coordinates (0, 0) by specified angle. + // angle: Number: an skewing angle in radians + return new dojo.gfx.matrix.Matrix2D({yx: -Math.tan(angle)}); // dojo.gfx.matrix.Matrix2D + }, + skewYg: function(degree){ + // summary: forms a y skewing matrix + // description: The resulting matrix is used to skew points in the y dimension + // around the origin of coordinates (0, 0) by specified degree. + // See dojo.gfx.matrix.skewY() for comparison. + // degree: Number: an skewing angle in degrees + return dojo.gfx.matrix.skewY(dojo.math.degToRad(degree)); // dojo.gfx.matrix.Matrix2D + }, + + // ensure matrix 2D conformance + normalize: function(matrix){ + // summary: converts an object to a matrix, if necessary + // description: Converts any 2D matrix-like object or an array of + // such objects to a valid dojo.gfx.matrix.Matrix2D object. + // matrix: Object: an object, which is converted to a matrix, if necessary + return (matrix instanceof dojo.gfx.matrix.Matrix2D) ? matrix : new dojo.gfx.matrix.Matrix2D(matrix); // dojo.gfx.matrix.Matrix2D + }, + + // common operations + + clone: function(matrix){ + // summary: creates a copy of a 2D matrix + // matrix: dojo.gfx.matrix.Matrix2D: a 2D matrix-like object to be cloned + var obj = new dojo.gfx.matrix.Matrix2D(); + for(var i in matrix){ + if(typeof(matrix[i]) == "number" && typeof(obj[i]) == "number" && obj[i] != matrix[i]) obj[i] = matrix[i]; + } + return obj; // dojo.gfx.matrix.Matrix2D + }, + invert: function(matrix){ + // summary: inverts a 2D matrix + // matrix: dojo.gfx.matrix.Matrix2D: a 2D matrix-like object to be inverted + var m = dojo.gfx.matrix.normalize(matrix); + var D = m.xx * m.yy - m.xy * m.yx; + var M = new dojo.gfx.matrix.Matrix2D({ + xx: m.yy/D, xy: -m.xy/D, + yx: -m.yx/D, yy: m.xx/D, + dx: (m.yx * m.dy - m.yy * m.dx) / D, + dy: (m.xy * m.dx - m.xx * m.dy) / D + }); + return M; // dojo.gfx.matrix.Matrix2D + }, + _multiplyPoint: function(m, x, y){ + // summary: applies a matrix to a point + // matrix: dojo.gfx.matrix.Matrix2D: a 2D matrix object to be applied + // x: Number: an x coordinate of a point + // y: Number: a y coordinate of a point + return {x: m.xx * x + m.xy * y + m.dx, y: m.yx * x + m.yy * y + m.dy}; // dojo.gfx.Point + }, + multiplyPoint: function(matrix, /* Number||Point */ a, /* Number, optional */ b){ + // summary: applies a matrix to a point + // matrix: dojo.gfx.matrix.Matrix2D: a 2D matrix object to be applied + // a: Number: an x coordinate of a point + // b: Number: a y coordinate of a point + var m = dojo.gfx.matrix.normalize(matrix); + if(typeof a == "number" && typeof b == "number"){ + return dojo.gfx.matrix._multiplyPoint(m, a, b); // dojo.gfx.Point + } + // branch + // matrix: dojo.gfx.matrix.Matrix2D: a 2D matrix object to be applied + // a: dojo.gfx.Point: a point + // b: null + return dojo.gfx.matrix._multiplyPoint(m, a.x, a.y); // dojo.gfx.Point + }, + multiply: function(matrix){ + // summary: combines matrices by multiplying them sequentially in the given order + // matrix: dojo.gfx.matrix.Matrix2D...: a 2D matrix-like object, + // all subsequent arguments are matrix-like objects too + var m = dojo.gfx.matrix.normalize(matrix); + // combine matrices + for(var i = 1; i < arguments.length; ++i){ + var l = m; + var r = dojo.gfx.matrix.normalize(arguments[i]); + m = new dojo.gfx.matrix.Matrix2D(); + m.xx = l.xx * r.xx + l.xy * r.yx; + m.xy = l.xx * r.xy + l.xy * r.yy; + m.yx = l.yx * r.xx + l.yy * r.yx; + m.yy = l.yx * r.xy + l.yy * r.yy; + m.dx = l.xx * r.dx + l.xy * r.dy + l.dx; + m.dy = l.yx * r.dx + l.yy * r.dy + l.dy; + } + return m; // dojo.gfx.matrix.Matrix2D + }, + + // high level operations + + _sandwich: function(m, x, y){ + // summary: applies a matrix at a centrtal point + // m: dojo.gfx.matrix.Matrix2D: a 2D matrix-like object, which is applied at a central point + // x: Number: an x component of the central point + // y: Number: a y component of the central point + return dojo.gfx.matrix.multiply(dojo.gfx.matrix.translate(x, y), m, dojo.gfx.matrix.translate(-x, -y)); // dojo.gfx.matrix.Matrix2D + }, + scaleAt: function(a, b, c, d){ + // summary: scales a picture using a specified point as a center of scaling + // description: Compare with dojo.gfx.matrix.scale(). + // a: Number: a scaling factor used for the x coordinate + // b: Number: a scaling factor used for the y coordinate + // c: Number: an x component of a central point + // d: Number: a y component of a central point + + // accepts several signatures: + // 1) uniform scale factor, Point + // 2) uniform scale factor, x, y + // 3) x scale, y scale, Point + // 4) x scale, y scale, x, y + + switch(arguments.length){ + case 4: + // a and b are scale factor components, c and d are components of a point + return dojo.gfx.matrix._sandwich(dojo.gfx.matrix.scale(a, b), c, d); // dojo.gfx.matrix.Matrix2D + case 3: + if(typeof c == "number"){ + // branch + // a: Number: a uniform scaling factor used for both coordinates + // b: Number: an x component of a central point + // c: Number: a y component of a central point + // d: null + return dojo.gfx.matrix._sandwich(dojo.gfx.matrix.scale(a), b, c); // dojo.gfx.matrix.Matrix2D + } + // branch + // a: Number: a scaling factor used for the x coordinate + // b: Number: a scaling factor used for the y coordinate + // c: dojo.gfx.Point: a central point + // d: null + return dojo.gfx.matrix._sandwich(dojo.gfx.matrix.scale(a, b), c.x, c.y); // dojo.gfx.matrix.Matrix2D + } + // branch + // a: Number: a uniform scaling factor used for both coordinates + // b: dojo.gfx.Point: a central point + // c: null + // d: null + return dojo.gfx.matrix._sandwich(dojo.gfx.matrix.scale(a), b.x, b.y); // dojo.gfx.matrix.Matrix2D + }, + rotateAt: function(angle, a, b){ + // summary: rotates a picture using a specified point as a center of rotation + // description: Compare with dojo.gfx.matrix.rotate(). + // angle: Number: an angle of rotation in radians (>0 for CCW) + // a: Number: an x component of a central point + // b: Number: |
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