1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#include "../../include/javascript/JavaScript.h"
8#include "../../include/javascript/IJavaScript.h"
9#include "../../include/javascript/JS_Define.h"
10#include "../../include/javascript/JS_Object.h"
11#include "../../include/javascript/JS_Value.h"
12#include "../../include/javascript/color.h"
13#include "../../include/javascript/JS_EventHandler.h"
14#include "../../include/javascript/JS_Context.h"
15#include "../../include/javascript/JS_Runtime.h"
16
17static v8::Isolate* GetIsolate(IFXJS_Context* cc)
18{
19	CJS_Context* pContext = (CJS_Context *)cc;
20	ASSERT(pContext != NULL);
21
22	CJS_Runtime* pRuntime = pContext->GetJSRuntime();
23	ASSERT(pRuntime != NULL);
24
25	return pRuntime->GetIsolate();
26}
27/* -------------------------- color -------------------------- */
28
29BEGIN_JS_STATIC_CONST(CJS_Color)
30END_JS_STATIC_CONST()
31
32BEGIN_JS_STATIC_PROP(CJS_Color)
33	JS_STATIC_PROP_ENTRY(black)
34	JS_STATIC_PROP_ENTRY(blue)
35	JS_STATIC_PROP_ENTRY(cyan)
36	JS_STATIC_PROP_ENTRY(dkGray)
37	JS_STATIC_PROP_ENTRY(gray)
38	JS_STATIC_PROP_ENTRY(green)
39	JS_STATIC_PROP_ENTRY(ltGray)
40	JS_STATIC_PROP_ENTRY(magenta)
41	JS_STATIC_PROP_ENTRY(red)
42	JS_STATIC_PROP_ENTRY(transparent)
43	JS_STATIC_PROP_ENTRY(white)
44	JS_STATIC_PROP_ENTRY(yellow)
45END_JS_STATIC_PROP()
46
47BEGIN_JS_STATIC_METHOD(CJS_Color)
48	JS_STATIC_METHOD_ENTRY(convert, 2)
49	JS_STATIC_METHOD_ENTRY(equal, 2)
50END_JS_STATIC_METHOD()
51
52IMPLEMENT_JS_CLASS(CJS_Color,color)
53
54color::color(CJS_Object* pJSObject): CJS_EmbedObj(pJSObject)
55{
56	m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT);
57	m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0);
58	m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1);
59	m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0 ,0);
60	m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1 ,0);
61	m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0 ,1);
62	m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0 ,0, 0);
63	m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1 ,0, 0);
64	m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0 ,1, 0);
65	m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25);
66	m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5);
67	m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75);
68}
69
70color::~color(void)
71{
72}
73
74void color::ConvertPWLColorToArray(const CPWL_Color& color, CJS_Array& array)
75{
76	switch (color.nColorType)
77	{
78	case COLORTYPE_TRANSPARENT:
79		array.SetElement(0, CJS_Value(array.GetIsolate(), "T"));
80		break;
81	case COLORTYPE_GRAY:
82		array.SetElement(0, CJS_Value(array.GetIsolate(),"G"));
83		array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
84		break;
85	case COLORTYPE_RGB:
86		array.SetElement(0, CJS_Value(array.GetIsolate(),"RGB"));
87		array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
88		array.SetElement(2, CJS_Value(array.GetIsolate(),color.fColor2));
89		array.SetElement(3, CJS_Value(array.GetIsolate(),color.fColor3));
90		break;
91	case COLORTYPE_CMYK:
92		array.SetElement(0, CJS_Value(array.GetIsolate(),"CMYK"));
93		array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
94		array.SetElement(2, CJS_Value(array.GetIsolate(),color.fColor2));
95		array.SetElement(3, CJS_Value(array.GetIsolate(),color.fColor3));
96		array.SetElement(4, CJS_Value(array.GetIsolate(),color.fColor4));
97		break;
98	}
99}
100
101void color::ConvertArrayToPWLColor(CJS_Array& array, CPWL_Color& color)
102{
103	int nArrayLen = array.GetLength();
104	if (nArrayLen < 1) return;
105
106	CJS_Value value(array.GetIsolate());
107	CFX_ByteString sSpace;
108	array.GetElement(0, value);
109	sSpace = value;
110
111	double d1 = 0;
112	double d2 = 0;
113	double d3 = 0;
114	double d4 = 0;
115
116	if (nArrayLen > 1)
117	{
118		array.GetElement(1, value);
119		d1 = value;
120	}
121
122	if (nArrayLen > 2)
123	{
124		array.GetElement(2, value);
125		d2 = value;
126	}
127
128	if (nArrayLen > 3)
129	{
130		array.GetElement(3, value);
131		d3 = value;
132	}
133
134	if (nArrayLen > 4)
135	{
136		array.GetElement(4, value);
137		d4 = value;
138	}
139
140	if (sSpace == "T")
141	{
142		color = CPWL_Color(COLORTYPE_TRANSPARENT);
143	}
144	else if (sSpace == "G")
145	{
146		color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1);
147	}
148	else if (sSpace == "RGB")
149	{
150		color = CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3);
151	}
152	else if (sSpace == "CMYK")
153	{
154		color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3, (FX_FLOAT)d4);
155	}
156}
157
158#define JS_IMPLEMENT_COLORPROP(prop, var)\
159FX_BOOL color::prop(OBJ_PROP_PARAMS)\
160{\
161	CJS_Context* pContext = (CJS_Context*)cc;\
162	v8::Isolate* isolate = pContext->GetJSRuntime()->GetIsolate();\
163	if (vp.IsGetting())\
164	{\
165		CJS_Array array(isolate);\
166		ConvertPWLColorToArray(var, array);\
167		vp << array;\
168	}\
169	else\
170	{\
171		CJS_Array array(isolate);\
172		if (!vp.ConvertToArray(array)) return FALSE;\
173		ConvertArrayToPWLColor(array, var);\
174	}\
175	return TRUE;\
176}
177
178JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent)
179JS_IMPLEMENT_COLORPROP(black, m_crBlack)
180JS_IMPLEMENT_COLORPROP(white, m_crWhite)
181JS_IMPLEMENT_COLORPROP(red, m_crRed)
182JS_IMPLEMENT_COLORPROP(green, m_crGreen)
183JS_IMPLEMENT_COLORPROP(blue, m_crBlue)
184JS_IMPLEMENT_COLORPROP(cyan, m_crCyan)
185JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta)
186JS_IMPLEMENT_COLORPROP(yellow, m_crYellow)
187JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray)
188JS_IMPLEMENT_COLORPROP(gray, m_crGray)
189JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray)
190
191FX_BOOL color::convert(OBJ_METHOD_PARAMS)
192{
193	v8::Isolate* isolate = GetIsolate(cc);
194	int iSize = params.size();
195	if (iSize < 2) return FALSE;
196	CJS_Array aSource(isolate);
197	if (!params[0].ConvertToArray(aSource)) return FALSE;
198
199	CPWL_Color crSource;
200	ConvertArrayToPWLColor(aSource, crSource);
201
202	CFX_ByteString sDestSpace = params[1];
203
204	int nColorType = COLORTYPE_TRANSPARENT;
205
206	if (sDestSpace == "T")
207	{
208		nColorType = COLORTYPE_TRANSPARENT;
209	}
210	else if (sDestSpace == "G")
211	{
212		nColorType = COLORTYPE_GRAY;
213	}
214	else if (sDestSpace == "RGB")
215	{
216		nColorType = COLORTYPE_RGB;
217	}
218	else if (sDestSpace == "CMYK")
219	{
220		nColorType = COLORTYPE_CMYK;
221	}
222
223	CJS_Array aDest(isolate);
224	CPWL_Color crDest = crSource;
225	crDest.ConvertColorType(nColorType);
226	ConvertPWLColorToArray(crDest, aDest);
227	vRet = aDest;
228
229	return TRUE;
230}
231
232FX_BOOL color::equal(OBJ_METHOD_PARAMS)
233{
234	v8::Isolate* isolate = GetIsolate(cc);
235	if (params.size() < 2) return FALSE;
236
237	CJS_Array array1(isolate), array2(isolate);
238
239	if (!params[0].ConvertToArray(array1)) return FALSE;
240	if (!params[1].ConvertToArray(array2)) return FALSE;
241
242	CPWL_Color color1;
243	CPWL_Color color2;
244
245	ConvertArrayToPWLColor(array1, color1);
246	ConvertArrayToPWLColor(array2, color2);
247
248	color1.ConvertColorType(color2.nColorType);
249
250	vRet = color1 == color2;
251	return TRUE;
252}
253
254