blob: 7e86c1e275a0e61444301a0f8ca68b8c2e875012 [file] [log] [blame]
// Copyright 2019 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fpdfdoc/cpdf_color_utils.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfdoc/cpdf_defaultappearance.h"
#include "core/fxcrt/bytestring.h"
#include "third_party/base/notreached.h"
namespace fpdfdoc {
CFX_Color CFXColorFromArray(const CPDF_Array& array) {
CFX_Color rt;
switch (array.size()) {
case 1:
rt = CFX_Color(CFX_Color::kGray, array.GetNumberAt(0));
break;
case 3:
rt = CFX_Color(CFX_Color::kRGB, array.GetNumberAt(0),
array.GetNumberAt(1), array.GetNumberAt(2));
break;
case 4:
rt = CFX_Color(CFX_Color::kCMYK, array.GetNumberAt(0),
array.GetNumberAt(1), array.GetNumberAt(2),
array.GetNumberAt(3));
break;
}
return rt;
}
CFX_Color CFXColorFromString(const ByteString& str) {
CPDF_DefaultAppearance appearance(str);
float values[4];
Optional<CFX_Color::Type> color_type = appearance.GetColor(values);
if (!color_type || *color_type == CFX_Color::kTransparent)
return CFX_Color(CFX_Color::kTransparent);
if (*color_type == CFX_Color::kGray)
return CFX_Color(CFX_Color::kGray, values[0]);
if (*color_type == CFX_Color::kRGB)
return CFX_Color(CFX_Color::kRGB, values[0], values[1], values[2]);
if (*color_type == CFX_Color::kCMYK) {
return CFX_Color(CFX_Color::kCMYK, values[0], values[1], values[2],
values[3]);
}
NOTREACHED();
return CFX_Color(CFX_Color::kTransparent);
}
} // namespace fpdfdoc