WebSVN – Applications.papyrus – Diff – /trunk/api/js/dojo/src/gfx/color/hsv.js


/*
	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());
}});
dojo.gfx.color.rgb2hsv = function (r, g, b, options) {
	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]};
	var h = null;
	var s = null;
	var v = null;
	switch (opt.inputRange) {
	  case 1:
		r = (r * 255);
		g = (g * 255);
		b = (b * 255);
		break;
	  case 100:
		r = (r / 100) * 255;
		g = (g / 100) * 255;
		b = (b / 100) * 255;
		break;
	  default:
		break;
	}
	var min = Math.min(r, g, b);
	v = Math.max(r, g, b);
	var delta = v - min;
	s = (v == 0) ? 0 : delta / v;
	if (s == 0) {
		h = 0;
	} else {
		if (r == v) {
			h = 60 * (g - b) / delta;
		} else {
			if (g == v) {
				h = 120 + 60 * (b - r) / delta;
			} else {
				if (b == v) {
					h = 240 + 60 * (r - g) / delta;
				}
			}
		}
		if (h <= 0) {
			h += 360;
		}
	}
	switch (opt.outputRange[0]) {
	  case 360:
		break;
	  case 100:
		h = (h / 360) * 100;
		break;
	  case 1:
		h = (h / 360);
		break;
	  default:
		h = (h / 360) * 255;
		break;
	}
	switch (opt.outputRange[1]) {
	  case 100:
		s = s * 100;
	  case 1:
		break;
	  default:
		s = s * 255;
		break;
	}
	switch (opt.outputRange[2]) {
	  case 100:
		v = (v / 255) * 100;
		break;
	  case 1:
		v = (v / 255);
		break;
	  default:
		break;
	}
	h = dojo.math.round(h);
	s = dojo.math.round(s);
	v = dojo.math.round(v);
	return [h, s, v];
};
dojo.gfx.color.hsv2rgb = function (h, s, v, options) {
	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]) {
	  case 1:
		h = h * 360;
		break;
	  case 100:
		h = (h / 100) * 360;
		break;
	  case 360:
		h = h;
		break;
	  default:
		h = (h / 255) * 360;
	}
	if (h == 360) {
		h = 0;
	}
	switch (opt.inputRange[1]) {
	  case 100:
		s /= 100;
		break;
	  case 255:
		s /= 255;
	}
	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) {
		r = v;
		g = v;
		b = v;
	} else {
		var hTemp = h / 60;
		var i = Math.floor(hTemp);
		var f = hTemp - i;
		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];
};
 

Rev 1318	Rev 1422
1	`/*`	1	`/*`
2	`Copyright (c) 2004-2006, The Dojo Foundation`	2	`Copyright (c) 2004-2006, The Dojo Foundation`
3	`All Rights Reserved.`	3	`All Rights Reserved.`
4		4
5	`Licensed under the Academic Free License version 2.1 or above OR the`	5	`Licensed under the Academic Free License version 2.1 or above OR the`
6	`modified BSD license. For more information on Dojo licensing, see:`	6	`modified BSD license. For more information on Dojo licensing, see:`
7		7
8	`http://dojotoolkit.org/community/licensing.shtml`	8	`http://dojotoolkit.org/community/licensing.shtml`
9	`*/`	9	`*/`
-		10
-		11
10		12
11	`dojo.provide("dojo.gfx.color.hsv");`	13	`dojo.provide("dojo.gfx.color.hsv");`
12	`dojo.require("dojo.lang.array");`	14	`dojo.require("dojo.lang.array");`
13	`dojo.require("dojo.math");`	15	`dojo.require("dojo.math");`
14	`dojo.lang.extend(dojo.gfx.color.Color, {toHsv:function () {`	16	`dojo.lang.extend(dojo.gfx.color.Color, {toHsv:function () {`
15	`return dojo.gfx.color.rgb2hsv(this.toRgb());`	17	`return dojo.gfx.color.rgb2hsv(this.toRgb());`
16	`}});`	18	`}});`
17	`dojo.gfx.color.rgb2hsv = function (r, g, b, options) {`	19	`dojo.gfx.color.rgb2hsv = function (r, g, b, options) {`
18	`if (dojo.lang.isArray(r)) {`	20	`if (dojo.lang.isArray(r)) {`
19	`if (g) {`	21	`if (g) {`
20	`options = g;`	22	`options = g;`
21	`}`	23	`}`
22	`b = r[2] \|\| 0;`	24	`b = r[2] \|\| 0;`
23	`g = r[1] \|\| 0;`	25	`g = r[1] \|\| 0;`
24	`r = r[0] \|\| 0;`	26	`r = r[0] \|\| 0;`
25	`}`	27	`}`
26	`var opt = {inputRange:(options && options.inputRange) ? options.inputRange : 255, outputRange:(options && options.outputRange) ? options.outputRange : [255, 255, 255]};`	28	`var opt = {inputRange:(options && options.inputRange) ? options.inputRange : 255, outputRange:(options && options.outputRange) ? options.outputRange : [255, 255, 255]};`
27	`var h = null;`	29	`var h = null;`
28	`var s = null;`	30	`var s = null;`
29	`var v = null;`	31	`var v = null;`
30	`switch (opt.inputRange) {`	32	`switch (opt.inputRange) {`
31	`case 1:`	33	`case 1:`
32	`r = (r * 255);`	34	`r = (r * 255);`
33	`g = (g * 255);`	35	`g = (g * 255);`
34	`b = (b * 255);`	36	`b = (b * 255);`
35	`break;`	37	`break;`
36	`case 100:`	38	`case 100:`
37	`r = (r / 100) * 255;`	39	`r = (r / 100) * 255;`
38	`g = (g / 100) * 255;`	40	`g = (g / 100) * 255;`
39	`b = (b / 100) * 255;`	41	`b = (b / 100) * 255;`
40	`break;`	42	`break;`
41	`default:`	43	`default:`
42	`break;`	44	`break;`
43	`}`	45	`}`
44	`var min = Math.min(r, g, b);`	46	`var min = Math.min(r, g, b);`
45	`v = Math.max(r, g, b);`	47	`v = Math.max(r, g, b);`
46	`var delta = v - min;`	48	`var delta = v - min;`
47	`s = (v == 0) ? 0 : delta / v;`	49	`s = (v == 0) ? 0 : delta / v;`
48	`if (s == 0) {`	50	`if (s == 0) {`
49	`h = 0;`	51	`h = 0;`
50	`} else {`	52	`} else {`
51	`if (r == v) {`	53	`if (r == v) {`
52	`h = 60 * (g - b) / delta;`	54	`h = 60 * (g - b) / delta;`
53	`} else {`	55	`} else {`
54	`if (g == v) {`	56	`if (g == v) {`
55	`h = 120 + 60 * (b - r) / delta;`	57	`h = 120 + 60 * (b - r) / delta;`
56	`} else {`	58	`} else {`
57	`if (b == v) {`	59	`if (b == v) {`
58	`h = 240 + 60 * (r - g) / delta;`	60	`h = 240 + 60 * (r - g) / delta;`
59	`}`	61	`}`
60	`}`	62	`}`
61	`}`	63	`}`
62	`if (h <= 0) {`	64	`if (h <= 0) {`
63	`h += 360;`	65	`h += 360;`
64	`}`	66	`}`
65	`}`	67	`}`
66	`switch (opt.outputRange[0]) {`	68	`switch (opt.outputRange[0]) {`
67	`case 360:`	69	`case 360:`
68	`break;`	70	`break;`
69	`case 100:`	71	`case 100:`
70	`h = (h / 360) * 100;`	72	`h = (h / 360) * 100;`
71	`break;`	73	`break;`
72	`case 1:`	74	`case 1:`
73	`h = (h / 360);`	75	`h = (h / 360);`
74	`break;`	76	`break;`
75	`default:`	77	`default:`
76	`h = (h / 360) * 255;`	78	`h = (h / 360) * 255;`
77	`break;`	79	`break;`
78	`}`	80	`}`
79	`switch (opt.outputRange[1]) {`	81	`switch (opt.outputRange[1]) {`
80	`case 100:`	82	`case 100:`
81	`s = s * 100;`	83	`s = s * 100;`
82	`case 1:`	84	`case 1:`
83	`break;`	85	`break;`
84	`default:`	86	`default:`
85	`s = s * 255;`	87	`s = s * 255;`
86	`break;`	88	`break;`
87	`}`	89	`}`
88	`switch (opt.outputRange[2]) {`	90	`switch (opt.outputRange[2]) {`
89	`case 100:`	91	`case 100:`
90	`v = (v / 255) * 100;`	92	`v = (v / 255) * 100;`
91	`break;`	93	`break;`
92	`case 1:`	94	`case 1:`
93	`v = (v / 255);`	95	`v = (v / 255);`
94	`break;`	96	`break;`
95	`default:`	97	`default:`
96	`break;`	98	`break;`
97	`}`	99	`}`
98	`h = dojo.math.round(h);`	100	`h = dojo.math.round(h);`
99	`s = dojo.math.round(s);`	101	`s = dojo.math.round(s);`
100	`v = dojo.math.round(v);`	102	`v = dojo.math.round(v);`
101	`return [h, s, v];`	103	`return [h, s, v];`
102	`};`	104	`};`
103	`dojo.gfx.color.hsv2rgb = function (h, s, v, options) {`	105	`dojo.gfx.color.hsv2rgb = function (h, s, v, options) {`
104	`if (dojo.lang.isArray(h)) {`	106	`if (dojo.lang.isArray(h)) {`
105	`if (s) {`	107	`if (s) {`
106	`options = s;`	108	`options = s;`
107	`}`	109	`}`
108	`v = h[2] \|\| 0;`	110	`v = h[2] \|\| 0;`
109	`s = h[1] \|\| 0;`	111	`s = h[1] \|\| 0;`
110	`h = h[0] \|\| 0;`	112	`h = h[0] \|\| 0;`
111	`}`	113	`}`
112	`var opt = {inputRange:(options && options.inputRange) ? options.inputRange : [255, 255, 255], outputRange:(options && options.outputRange) ? options.outputRange : 255};`	114	`var opt = {inputRange:(options && options.inputRange) ? options.inputRange : [255, 255, 255], outputRange:(options && options.outputRange) ? options.outputRange : 255};`
113	`switch (opt.inputRange[0]) {`	115	`switch (opt.inputRange[0]) {`
114	`case 1:`	116	`case 1:`
115	`h = h * 360;`	117	`h = h * 360;`
116	`break;`	118	`break;`
117	`case 100:`	119	`case 100:`
118	`h = (h / 100) * 360;`	120	`h = (h / 100) * 360;`
119	`break;`	121	`break;`
120	`case 360:`	122	`case 360:`
121	`h = h;`	123	`h = h;`
122	`break;`	124	`break;`
123	`default:`	125	`default:`
124	`h = (h / 255) * 360;`	126	`h = (h / 255) * 360;`
125	`}`	127	`}`
126	`if (h == 360) {`	128	`if (h == 360) {`
127	`h = 0;`	129	`h = 0;`
128	`}`	130	`}`
129	`switch (opt.inputRange[1]) {`	131	`switch (opt.inputRange[1]) {`
130	`case 100:`	132	`case 100:`
131	`s /= 100;`	133	`s /= 100;`
132	`break;`	134	`break;`
133	`case 255:`	135	`case 255:`
134	`s /= 255;`	136	`s /= 255;`
135	`}`	137	`}`
136	`switch (opt.inputRange[2]) {`	138	`switch (opt.inputRange[2]) {`
137	`case 100:`	139	`case 100:`
138	`v /= 100;`	140	`v /= 100;`
139	`break;`	141	`break;`
140	`case 255:`	142	`case 255:`
141	`v /= 255;`	143	`v /= 255;`
142	`}`	144	`}`
143	`var r = null;`	145	`var r = null;`
144	`var g = null;`	146	`var g = null;`
145	`var b = null;`	147	`var b = null;`
146	`if (s == 0) {`	148	`if (s == 0) {`
147	`r = v;`	149	`r = v;`
148	`g = v;`	150	`g = v;`
149	`b = v;`	151	`b = v;`
150	`} else {`	152	`} else {`
151	`var hTemp = h / 60;`	153	`var hTemp = h / 60;`
152	`var i = Math.floor(hTemp);`	154	`var i = Math.floor(hTemp);`
153	`var f = hTemp - i;`	155	`var f = hTemp - i;`
154	`var p = v * (1 - s);`	156	`var p = v * (1 - s);`
155	`var q = v * (1 - (s * f));`	157	`var q = v * (1 - (s * f));`
156	`var t = v * (1 - (s * (1 - f)));`	158	`var t = v * (1 - (s * (1 - f)));`
157	`switch (i) {`	159	`switch (i) {`
158	`case 0:`	160	`case 0:`
159	`r = v;`	161	`r = v;`
160	`g = t;`	162	`g = t;`
161	`b = p;`	163	`b = p;`
162	`break;`	164	`break;`
163	`case 1:`	165	`case 1:`
164	`r = q;`	166	`r = q;`
165	`g = v;`	167	`g = v;`
166	`b = p;`	168	`b = p;`
167	`break;`	169	`break;`
168	`case 2:`	170	`case 2:`
169	`r = p;`	171	`r = p;`
170	`g = v;`	172	`g = v;`
171	`b = t;`	173	`b = t;`
172	`break;`	174	`break;`
173	`case 3:`	175	`case 3:`
174	`r = p;`	176	`r = p;`
175	`g = q;`	177	`g = q;`
176	`b = v;`	178	`b = v;`
177	`break;`	179	`break;`
178	`case 4:`	180	`case 4:`
179	`r = t;`	181	`r = t;`
180	`g = p;`	182	`g = p;`
181	`b = v;`	183	`b = v;`
182	`break;`	184	`break;`
183	`case 5:`	185	`case 5:`
184	`r = v;`	186	`r = v;`
185	`g = p;`	187	`g = p;`
186	`b = q;`	188	`b = q;`
187	`break;`	189	`break;`
188	`}`	190	`}`
189	`}`	191	`}`
190	`switch (opt.outputRange) {`	192	`switch (opt.outputRange) {`
191	`case 1:`	193	`case 1:`
192	`r = dojo.math.round(r, 2);`	194	`r = dojo.math.round(r, 2);`
193	`g = dojo.math.round(g, 2);`	195	`g = dojo.math.round(g, 2);`
194	`b = dojo.math.round(b, 2);`	196	`b = dojo.math.round(b, 2);`
195	`break;`	197	`break;`
196	`case 100:`	198	`case 100:`
197	`r = Math.round(r * 100);`	199	`r = Math.round(r * 100);`
198	`g = Math.round(g * 100);`	200	`g = Math.round(g * 100);`
199	`b = Math.round(b * 100);`	201	`b = Math.round(b * 100);`
200	`break;`	202	`break;`
201	`default:`	203	`default:`
202	`r = Math.round(r * 255);`	204	`r = Math.round(r * 255);`
203	`g = Math.round(g * 255);`	205	`g = Math.round(g * 255);`
204	`b = Math.round(b * 255);`	206	`b = Math.round(b * 255);`
205	`}`	207	`}`
206	`return [r, g, b];`	208	`return [r, g, b];`
207	`};`	209	`};`
208		210

Subversion Repositories Applications.papyrus

(root)/trunk/api/js/dojo/src/gfx/color/hsv.js – Rev 1318 → 1422