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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/fpdfapi/page/cpdf_colorstate.h"
#include "core/fpdfapi/page/cpdf_colorspace.h"
#include "core/fpdfapi/page/cpdf_pattern.h"
#include "core/fpdfapi/page/cpdf_tilingpattern.h"
#include "core/fxge/dib/fx_dib.h"
#include "third_party/base/check.h"
CPDF_ColorState::CPDF_ColorState() = default;
CPDF_ColorState::CPDF_ColorState(const CPDF_ColorState& that)
: m_Ref(that.m_Ref) {}
CPDF_ColorState::~CPDF_ColorState() = default;
void CPDF_ColorState::Emplace() {
m_Ref.Emplace();
}
void CPDF_ColorState::SetDefault() {
m_Ref.GetPrivateCopy()->SetDefault();
}
FX_COLORREF CPDF_ColorState::GetFillColorRef() const {
return m_Ref.GetObject()->m_FillColorRef;
}
void CPDF_ColorState::SetFillColorRef(FX_COLORREF colorref) {
m_Ref.GetPrivateCopy()->m_FillColorRef = colorref;
}
FX_COLORREF CPDF_ColorState::GetStrokeColorRef() const {
return m_Ref.GetObject()->m_StrokeColorRef;
}
void CPDF_ColorState::SetStrokeColorRef(FX_COLORREF colorref) {
m_Ref.GetPrivateCopy()->m_StrokeColorRef = colorref;
}
const CPDF_Color* CPDF_ColorState::GetFillColor() const {
const ColorData* pData = m_Ref.GetObject();
return pData ? &pData->m_FillColor : nullptr;
}
CPDF_Color* CPDF_ColorState::GetMutableFillColor() {
return &m_Ref.GetPrivateCopy()->m_FillColor;
}
bool CPDF_ColorState::HasFillColor() const {
const CPDF_Color* pColor = GetFillColor();
return pColor && !pColor->IsNull();
}
const CPDF_Color* CPDF_ColorState::GetStrokeColor() const {
const ColorData* pData = m_Ref.GetObject();
return pData ? &pData->m_StrokeColor : nullptr;
}
CPDF_Color* CPDF_ColorState::GetMutableStrokeColor() {
return &m_Ref.GetPrivateCopy()->m_StrokeColor;
}
bool CPDF_ColorState::HasStrokeColor() const {
const CPDF_Color* pColor = GetStrokeColor();
return pColor && !pColor->IsNull();
}
void CPDF_ColorState::SetFillColor(const RetainPtr<CPDF_ColorSpace>& pCS,
const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetColor(pCS, values, &pData->m_FillColor, &pData->m_FillColorRef);
}
void CPDF_ColorState::SetStrokeColor(const RetainPtr<CPDF_ColorSpace>& pCS,
const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetColor(pCS, values, &pData->m_StrokeColor, &pData->m_StrokeColorRef);
}
void CPDF_ColorState::SetFillPattern(const RetainPtr<CPDF_Pattern>& pPattern,
const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetPattern(pPattern, values, &pData->m_FillColor, &pData->m_FillColorRef);
}
void CPDF_ColorState::SetStrokePattern(const RetainPtr<CPDF_Pattern>& pPattern,
const std::vector<float>& values) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetPattern(pPattern, values, &pData->m_StrokeColor, &pData->m_StrokeColorRef);
}
void CPDF_ColorState::SetColor(const RetainPtr<CPDF_ColorSpace>& pCS,
const std::vector<float>& values,
CPDF_Color* color,
FX_COLORREF* colorref) {
DCHECK(color);
DCHECK(colorref);
if (pCS) {
color->SetColorSpace(pCS);
} else if (color->IsNull()) {
color->SetColorSpace(
CPDF_ColorSpace::GetStockCS(CPDF_ColorSpace::Family::kDeviceGray));
}
if (color->CountComponents() > values.size())
return;
if (!color->IsPattern())
color->SetValueForNonPattern(values);
int R;
int G;
int B;
*colorref = color->GetRGB(&R, &G, &B) ? FXSYS_BGR(B, G, R) : 0xFFFFFFFF;
}
void CPDF_ColorState::SetPattern(const RetainPtr<CPDF_Pattern>& pPattern,
const std::vector<float>& values,
CPDF_Color* color,
FX_COLORREF* colorref) {
DCHECK(color);
DCHECK(colorref);
color->SetValueForPattern(pPattern, values);
int R;
int G;
int B;
bool ret = color->GetRGB(&R, &G, &B);
if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
if (!ret && pTilingPattern->colored()) {
*colorref = 0x00BFBFBF;
return;
}
}
*colorref = ret ? FXSYS_BGR(B, G, R) : 0xFFFFFFFF;
}
CPDF_ColorState::ColorData::ColorData() = default;
CPDF_ColorState::ColorData::ColorData(const ColorData& src)
: m_FillColorRef(src.m_FillColorRef),
m_StrokeColorRef(src.m_StrokeColorRef),
m_FillColor(src.m_FillColor),
m_StrokeColor(src.m_StrokeColor) {}
CPDF_ColorState::ColorData::~ColorData() = default;
void CPDF_ColorState::ColorData::SetDefault() {
m_FillColorRef = 0;
m_StrokeColorRef = 0;
m_FillColor.SetColorSpace(
CPDF_ColorSpace::GetStockCS(CPDF_ColorSpace::Family::kDeviceGray));
m_StrokeColor.SetColorSpace(
CPDF_ColorSpace::GetStockCS(CPDF_ColorSpace::Family::kDeviceGray));
}
RetainPtr<CPDF_ColorState::ColorData> CPDF_ColorState::ColorData::Clone()
const {
return pdfium::MakeRetain<CPDF_ColorState::ColorData>(*this);
}