1 // Copyright 2016 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 "core/fpdfdoc/cpvt_color.h"
8
9 #include "core/fpdfapi/parser/cpdf_simple_parser.h"
10
11 // Static.
ParseColor(const CFX_ByteString & str)12 CPVT_Color CPVT_Color::ParseColor(const CFX_ByteString& str) {
13 CPDF_SimpleParser syntax(str.AsStringC());
14 if (syntax.FindTagParamFromStart("g", 1))
15 return CPVT_Color(CPVT_Color::kGray, FX_atof(syntax.GetWord()));
16
17 if (syntax.FindTagParamFromStart("rg", 3)) {
18 FX_FLOAT f1 = FX_atof(syntax.GetWord());
19 FX_FLOAT f2 = FX_atof(syntax.GetWord());
20 FX_FLOAT f3 = FX_atof(syntax.GetWord());
21 return CPVT_Color(CPVT_Color::kRGB, f1, f2, f3);
22 }
23 if (syntax.FindTagParamFromStart("k", 4)) {
24 FX_FLOAT f1 = FX_atof(syntax.GetWord());
25 FX_FLOAT f2 = FX_atof(syntax.GetWord());
26 FX_FLOAT f3 = FX_atof(syntax.GetWord());
27 FX_FLOAT f4 = FX_atof(syntax.GetWord());
28 return CPVT_Color(CPVT_Color::kCMYK, f1, f2, f3, f4);
29 }
30 return CPVT_Color(CPVT_Color::kTransparent);
31 }
32
33 // Static.
ParseColor(const CPDF_Array & array)34 CPVT_Color CPVT_Color::ParseColor(const CPDF_Array& array) {
35 CPVT_Color rt;
36 switch (array.GetCount()) {
37 case 1:
38 rt = CPVT_Color(CPVT_Color::kGray, array.GetFloatAt(0));
39 break;
40 case 3:
41 rt = CPVT_Color(CPVT_Color::kRGB, array.GetFloatAt(0),
42 array.GetFloatAt(1), array.GetFloatAt(2));
43 break;
44 case 4:
45 rt = CPVT_Color(CPVT_Color::kCMYK, array.GetFloatAt(0),
46 array.GetFloatAt(1), array.GetFloatAt(2),
47 array.GetFloatAt(3));
48 break;
49 }
50 return rt;
51 }
52