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. 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. 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
