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// Copyright 2016 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_apsettings.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfdoc/cpdf_formcontrol.h"
CPDF_ApSettings::CPDF_ApSettings(CPDF_Dictionary* pDict) : m_pDict(pDict) {}
bool CPDF_ApSettings::HasMKEntry(const CFX_ByteString& csEntry) const {
return m_pDict && m_pDict->KeyExist(csEntry);
}
int CPDF_ApSettings::GetRotation() const {
return m_pDict ? m_pDict->GetIntegerFor("R") : 0;
}
FX_ARGB CPDF_ApSettings::GetColor(int& iColorType,
const CFX_ByteString& csEntry) const {
iColorType = COLORTYPE_TRANSPARENT;
if (!m_pDict)
return 0;
CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
if (!pEntry)
return 0;
FX_ARGB color = 0;
size_t dwCount = pEntry->GetCount();
if (dwCount == 1) {
iColorType = COLORTYPE_GRAY;
FX_FLOAT g = pEntry->GetNumberAt(0) * 255;
return ArgbEncode(255, (int)g, (int)g, (int)g);
}
if (dwCount == 3) {
iColorType = COLORTYPE_RGB;
FX_FLOAT r = pEntry->GetNumberAt(0) * 255;
FX_FLOAT g = pEntry->GetNumberAt(1) * 255;
FX_FLOAT b = pEntry->GetNumberAt(2) * 255;
return ArgbEncode(255, (int)r, (int)g, (int)b);
}
if (dwCount == 4) {
iColorType = COLORTYPE_CMYK;
FX_FLOAT c = pEntry->GetNumberAt(0);
FX_FLOAT m = pEntry->GetNumberAt(1);
FX_FLOAT y = pEntry->GetNumberAt(2);
FX_FLOAT k = pEntry->GetNumberAt(3);
FX_FLOAT r = 1.0f - std::min(1.0f, c + k);
FX_FLOAT g = 1.0f - std::min(1.0f, m + k);
FX_FLOAT b = 1.0f - std::min(1.0f, y + k);
return ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
}
return color;
}
FX_FLOAT CPDF_ApSettings::GetOriginalColor(
int index,
const CFX_ByteString& csEntry) const {
if (!m_pDict)
return 0;
CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
return pEntry ? pEntry->GetNumberAt(index) : 0;
}
void CPDF_ApSettings::GetOriginalColor(int& iColorType,
FX_FLOAT fc[4],
const CFX_ByteString& csEntry) const {
iColorType = COLORTYPE_TRANSPARENT;
for (int i = 0; i < 4; i++)
fc[i] = 0;
if (!m_pDict)
return;
CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
if (!pEntry)
return;
size_t dwCount = pEntry->GetCount();
if (dwCount == 1) {
iColorType = COLORTYPE_GRAY;
fc[0] = pEntry->GetNumberAt(0);
} else if (dwCount == 3) {
iColorType = COLORTYPE_RGB;
fc[0] = pEntry->GetNumberAt(0);
fc[1] = pEntry->GetNumberAt(1);
fc[2] = pEntry->GetNumberAt(2);
} else if (dwCount == 4) {
iColorType = COLORTYPE_CMYK;
fc[0] = pEntry->GetNumberAt(0);
fc[1] = pEntry->GetNumberAt(1);
fc[2] = pEntry->GetNumberAt(2);
fc[3] = pEntry->GetNumberAt(3);
}
}
CFX_WideString CPDF_ApSettings::GetCaption(
const CFX_ByteString& csEntry) const {
return m_pDict ? m_pDict->GetUnicodeTextFor(csEntry) : CFX_WideString();
}
CPDF_Stream* CPDF_ApSettings::GetIcon(const CFX_ByteString& csEntry) const {
return m_pDict ? m_pDict->GetStreamFor(csEntry) : nullptr;
}
CPDF_IconFit CPDF_ApSettings::GetIconFit() const {
return CPDF_IconFit(m_pDict ? m_pDict->GetDictFor("IF") : nullptr);
}
int CPDF_ApSettings::GetTextPosition() const {
return m_pDict ? m_pDict->GetIntegerFor("TP", TEXTPOS_CAPTION)
: TEXTPOS_CAPTION;
}
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