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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_pattern.h"
#include "core/fpdfapi/page/cpdf_tilingpattern.h"
#include "core/fxge/fx_dib.h"
CPDF_ColorState::CPDF_ColorState() {}
CPDF_ColorState::CPDF_ColorState(const CPDF_ColorState& that)
: m_Ref(that.m_Ref) {}
CPDF_ColorState::~CPDF_ColorState() {}
void CPDF_ColorState::Emplace() {
m_Ref.Emplace();
}
void CPDF_ColorState::SetDefault() {
m_Ref.GetPrivateCopy()->SetDefault();
}
uint32_t CPDF_ColorState::GetFillRGB() const {
return m_Ref.GetObject()->m_FillRGB;
}
void CPDF_ColorState::SetFillRGB(uint32_t rgb) {
m_Ref.GetPrivateCopy()->m_FillRGB = rgb;
}
uint32_t CPDF_ColorState::GetStrokeRGB() const {
return m_Ref.GetObject()->m_StrokeRGB;
}
void CPDF_ColorState::SetStrokeRGB(uint32_t rgb) {
m_Ref.GetPrivateCopy()->m_StrokeRGB = rgb;
}
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(CPDF_ColorSpace* pCS,
FX_FLOAT* pValue,
uint32_t nValues) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues);
}
void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS,
FX_FLOAT* pValue,
uint32_t nValues) {
ColorData* pData = m_Ref.GetPrivateCopy();
SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues);
}
void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
FX_FLOAT* pValue,
uint32_t nValues) {
ColorData* pData = m_Ref.GetPrivateCopy();
pData->m_FillColor.SetValue(pPattern, pValue, nValues);
int R, G, B;
FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B);
if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
if (!ret && pTilingPattern->colored()) {
pData->m_FillRGB = 0x00BFBFBF;
return;
}
}
pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
}
void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern,
FX_FLOAT* pValue,
uint32_t nValues) {
ColorData* pData = m_Ref.GetPrivateCopy();
pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
int R, G, B;
FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B);
if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
if (!ret && pTilingPattern->colored()) {
pData->m_StrokeRGB = 0x00BFBFBF;
return;
}
}
pData->m_StrokeRGB =
pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
}
void CPDF_ColorState::SetColor(CPDF_Color& color,
uint32_t& rgb,
CPDF_ColorSpace* pCS,
FX_FLOAT* pValue,
uint32_t nValues) {
if (pCS)
color.SetColorSpace(pCS);
else if (color.IsNull())
color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
if (color.GetColorSpace()->CountComponents() > nValues)
return;
color.SetValue(pValue);
int R;
int G;
int B;
rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
}
CPDF_ColorState::ColorData::ColorData() : m_FillRGB(0), m_StrokeRGB(0) {}
CPDF_ColorState::ColorData::ColorData(const ColorData& src)
: m_FillRGB(src.m_FillRGB), m_StrokeRGB(src.m_StrokeRGB) {
m_FillColor.Copy(&src.m_FillColor);
m_StrokeColor.Copy(&src.m_StrokeColor);
}
CPDF_ColorState::ColorData::~ColorData() {}
void CPDF_ColorState::ColorData::SetDefault() {
m_FillRGB = 0;
m_StrokeRGB = 0;
m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
}
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