125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
// 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/cpdf_apsettings.h"
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#include <algorithm>
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#include "core/fpdfapi/parser/cpdf_array.h"
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#include "core/fpdfapi/parser/cpdf_dictionary.h"
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#include "core/fpdfdoc/cpdf_formcontrol.h"
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#include "core/fxge/cfx_color.h"
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CPDF_ApSettings::CPDF_ApSettings(CPDF_Dictionary* pDict) : m_pDict(pDict) {}
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CPDF_ApSettings::CPDF_ApSettings(const CPDF_ApSettings& that) = default;
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CPDF_ApSettings::~CPDF_ApSettings() {}
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bool CPDF_ApSettings::HasMKEntry(const ByteString& csEntry) const {
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return m_pDict && m_pDict->KeyExist(csEntry);
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}
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int CPDF_ApSettings::GetRotation() const {
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return m_pDict ? m_pDict->GetIntegerFor("R") : 0;
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}
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FX_ARGB CPDF_ApSettings::GetColor(int& iColorType,
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const ByteString& csEntry) const {
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iColorType = CFX_Color::kTransparent;
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if (!m_pDict)
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return 0;
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CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
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if (!pEntry)
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return 0;
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FX_ARGB color = 0;
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size_t dwCount = pEntry->size();
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if (dwCount == 1) {
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iColorType = CFX_Color::kGray;
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float g = pEntry->GetNumberAt(0) * 255;
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return ArgbEncode(255, (int)g, (int)g, (int)g);
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}
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if (dwCount == 3) {
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iColorType = CFX_Color::kRGB;
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float r = pEntry->GetNumberAt(0) * 255;
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float g = pEntry->GetNumberAt(1) * 255;
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float b = pEntry->GetNumberAt(2) * 255;
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return ArgbEncode(255, (int)r, (int)g, (int)b);
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}
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if (dwCount == 4) {
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iColorType = CFX_Color::kCMYK;
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float c = pEntry->GetNumberAt(0);
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float m = pEntry->GetNumberAt(1);
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float y = pEntry->GetNumberAt(2);
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float k = pEntry->GetNumberAt(3);
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float r = 1.0f - std::min(1.0f, c + k);
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float g = 1.0f - std::min(1.0f, m + k);
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float b = 1.0f - std::min(1.0f, y + k);
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return ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
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}
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return color;
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}
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float CPDF_ApSettings::GetOriginalColor(int index,
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const ByteString& csEntry) const {
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if (!m_pDict)
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return 0;
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CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
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return pEntry ? pEntry->GetNumberAt(index) : 0;
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}
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void CPDF_ApSettings::GetOriginalColor(int& iColorType,
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float fc[4],
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const ByteString& csEntry) const {
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iColorType = CFX_Color::kTransparent;
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for (int i = 0; i < 4; i++)
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fc[i] = 0;
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if (!m_pDict)
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return;
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CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry);
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if (!pEntry)
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return;
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size_t dwCount = pEntry->size();
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if (dwCount == 1) {
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iColorType = CFX_Color::kGray;
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fc[0] = pEntry->GetNumberAt(0);
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} else if (dwCount == 3) {
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iColorType = CFX_Color::kRGB;
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fc[0] = pEntry->GetNumberAt(0);
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fc[1] = pEntry->GetNumberAt(1);
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fc[2] = pEntry->GetNumberAt(2);
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} else if (dwCount == 4) {
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iColorType = CFX_Color::kCMYK;
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fc[0] = pEntry->GetNumberAt(0);
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fc[1] = pEntry->GetNumberAt(1);
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fc[2] = pEntry->GetNumberAt(2);
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fc[3] = pEntry->GetNumberAt(3);
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}
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}
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WideString CPDF_ApSettings::GetCaption(const ByteString& csEntry) const {
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return m_pDict ? m_pDict->GetUnicodeTextFor(csEntry) : WideString();
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}
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CPDF_Stream* CPDF_ApSettings::GetIcon(const ByteString& csEntry) const {
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return m_pDict ? m_pDict->GetStreamFor(csEntry) : nullptr;
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}
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CPDF_IconFit CPDF_ApSettings::GetIconFit() const {
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return CPDF_IconFit(m_pDict ? m_pDict->GetDictFor("IF") : nullptr);
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}
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int CPDF_ApSettings::GetTextPosition() const {
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return m_pDict ? m_pDict->GetIntegerFor("TP", TEXTPOS_CAPTION)
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: TEXTPOS_CAPTION;
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}
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