// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fpdfdoc/cpvt_color.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
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// Static.
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CPVT_Color CPVT_Color::ParseColor(const CFX_ByteString& str) {
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CPDF_SimpleParser syntax(str.AsStringC());
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if (syntax.FindTagParamFromStart("g", 1))
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return CPVT_Color(CPVT_Color::kGray, FX_atof(syntax.GetWord()));
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if (syntax.FindTagParamFromStart("rg", 3)) {
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FX_FLOAT f1 = FX_atof(syntax.GetWord());
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FX_FLOAT f2 = FX_atof(syntax.GetWord());
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FX_FLOAT f3 = FX_atof(syntax.GetWord());
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return CPVT_Color(CPVT_Color::kRGB, f1, f2, f3);
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}
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if (syntax.FindTagParamFromStart("k", 4)) {
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FX_FLOAT f1 = FX_atof(syntax.GetWord());
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FX_FLOAT f2 = FX_atof(syntax.GetWord());
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FX_FLOAT f3 = FX_atof(syntax.GetWord());
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FX_FLOAT f4 = FX_atof(syntax.GetWord());
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return CPVT_Color(CPVT_Color::kCMYK, f1, f2, f3, f4);
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}
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return CPVT_Color(CPVT_Color::kTransparent);
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}
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// Static.
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CPVT_Color CPVT_Color::ParseColor(const CPDF_Array& array) {
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CPVT_Color rt;
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switch (array.GetCount()) {
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case 1:
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rt = CPVT_Color(CPVT_Color::kGray, array.GetFloatAt(0));
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break;
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case 3:
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rt = CPVT_Color(CPVT_Color::kRGB, array.GetFloatAt(0),
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array.GetFloatAt(1), array.GetFloatAt(2));
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break;
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case 4:
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rt = CPVT_Color(CPVT_Color::kCMYK, array.GetFloatAt(0),
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array.GetFloatAt(1), array.GetFloatAt(2),
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array.GetFloatAt(3));
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break;
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}
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return rt;
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}
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