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-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp91
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp8
-rw-r--r--core/src/fpdfapi/fpdf_page/pageint.h6
3 files changed, 65 insertions, 40 deletions
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
index f1640ad14a..d99e643047 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp
@@ -517,12 +517,17 @@ void CPDF_LabCS::TranslateImageLine(FX_LPBYTE pDestBuf, FX_LPCBYTE pSrcBuf, int
pSrcBuf += 3;
}
}
-CPDF_IccProfile::CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize, int nComponents)
+CPDF_IccProfile::CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize):
+ m_bsRGB(FALSE),
+ m_pTransform(NULL),
+ m_nSrcComponents(0)
{
- m_bsRGB = nComponents == 3 && dwSize == 3144 && FXSYS_memcmp32(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0;
- m_pTransform = NULL;
- if (!m_bsRGB && CPDF_ModuleMgr::Get()->GetIccModule()) {
- m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB(pData, dwSize, nComponents);
+ if (dwSize == 3144 && FXSYS_memcmp32(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0) {
+ m_bsRGB = TRUE;
+ m_nSrcComponents = 3;
+ }
+ else if (CPDF_ModuleMgr::Get()->GetIccModule()) {
+ m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB(pData, dwSize, m_nSrcComponents);
}
}
CPDF_IccProfile::~CPDF_IccProfile()
@@ -583,49 +588,67 @@ FX_BOOL CPDF_ICCBasedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
if (pStream == NULL) {
return FALSE;
}
- CPDF_Dictionary* pDict = pStream->GetDict();
- m_nComponents = pDict ? pDict->GetInteger(FX_BSTRC("N")) : 0;
- if (m_nComponents != 1 && m_nComponents != 3 && m_nComponents != 4) {
- return FALSE;
- }
- CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
- m_pRanges = FX_Alloc(FX_FLOAT, m_nComponents * 2);
- for (int i = 0; i < m_nComponents * 2; i ++) {
- if (pRanges) {
- m_pRanges[i] = pRanges->GetNumber(i);
- } else if (i % 2) {
- m_pRanges[i] = 1.0f;
- } else {
- m_pRanges[i] = 0;
- }
- }
- m_pProfile = pDoc->LoadIccProfile(pStream, m_nComponents);
+ m_pProfile = pDoc->LoadIccProfile(pStream);
if (!m_pProfile) {
return FALSE;
}
- if (m_pProfile->m_pTransform == NULL) {
+ m_nComponents = m_pProfile->GetComponents(); //Try using the nComponents from ICC profile
+ CPDF_Dictionary* pDict = pStream->GetDict();
+ if (m_pProfile->m_pTransform == NULL) { // No valid ICC profile or using sRGB
CPDF_Object* pAlterCSObj = pDict ? pDict->GetElementValue(FX_BSTRC("Alternate")) : NULL;
if (pAlterCSObj) {
- CPDF_ColorSpace* alter_cs = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
- if (alter_cs) {
- if (alter_cs->CountComponents() > m_nComponents) {
- alter_cs->ReleaseCS();
- } else {
- m_pAlterCS = alter_cs;
- m_bOwn = TRUE;
+ CPDF_ColorSpace* pAlterCS = CPDF_ColorSpace::Load(pDoc, pAlterCSObj);
+ if (pAlterCS) {
+ if (m_nComponents == 0) { // NO valid ICC profile
+ if (pAlterCS->CountComponents() > 0) { // Use Alternative colorspace
+ m_nComponents = pAlterCS->CountComponents();
+ m_pAlterCS = pAlterCS;
+ m_bOwn = TRUE;
+ }
+ else { // No valid alternative colorspace
+ pAlterCS->ReleaseCS();
+ FX_INT32 nDictComponents = pDict ? pDict->GetInteger(FX_BSTRC("N")) : 0;
+ if (nDictComponents != 1 && nDictComponents != 3 && nDictComponents != 4) {
+ return FALSE;
+ }
+ m_nComponents = nDictComponents;
+ }
+
+ }
+ else { // Using sRGB
+ if (pAlterCS->CountComponents() != m_nComponents) {
+ pAlterCS->ReleaseCS();
+ }
+ else {
+ m_pAlterCS = pAlterCS;
+ m_bOwn = TRUE;
+ }
}
}
}
if (!m_pAlterCS) {
- if (m_nComponents == 3) {
+ if (m_nComponents == 1) {
+ m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
+ }
+ else if (m_nComponents == 3) {
m_pAlterCS = GetStockCS(PDFCS_DEVICERGB);
- } else if (m_nComponents == 4) {
+ }
+ else if (m_nComponents == 4) {
m_pAlterCS = GetStockCS(PDFCS_DEVICECMYK);
- } else {
- m_pAlterCS = GetStockCS(PDFCS_DEVICEGRAY);
}
}
}
+ CPDF_Array* pRanges = pDict->GetArray(FX_BSTRC("Range"));
+ m_pRanges = FX_Alloc(FX_FLOAT, m_nComponents * 2);
+ for (int i = 0; i < m_nComponents * 2; i ++) {
+ if (pRanges) {
+ m_pRanges[i] = pRanges->GetNumber(i);
+ } else if (i % 2) {
+ m_pRanges[i] = 1.0f;
+ } else {
+ m_pRanges[i] = 0;
+ }
+ }
return TRUE;
}
FX_BOOL CPDF_ICCBasedCS::GetRGB(FX_FLOAT* pBuf, FX_FLOAT& R, FX_FLOAT& G, FX_FLOAT& B) const
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
index 0b52800939..16f0a9cfad 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp
@@ -107,9 +107,9 @@ CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj, FX_BOOL bShad
{
return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
}
-CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream, int nComponents)
+CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream)
{
- return GetValidatePageData()->GetIccProfile(pStream, nComponents);
+ return GetValidatePageData()->GetIccProfile(pStream);
}
CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj)
{
@@ -543,7 +543,7 @@ void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream)
}
PDF_DocPageData_Release<FX_DWORD, CPDF_Image*>(m_ImageMap, pImageStream->GetObjNum(), NULL);
}
-CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents)
+CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream)
{
if (!pIccProfileStream) {
return NULL;
@@ -563,7 +563,7 @@ CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream,
ipData->m_nCount++;
return ipData->m_Obj;
}
- CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
+ CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize());
if (!pProfile) {
return NULL;
}
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index 625e5df737..f79b8d38f3 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -426,7 +426,7 @@ public:
void ReleasePattern(CPDF_Object* pPatternObj);
CPDF_Image* GetImage(CPDF_Object* pImageStream);
void ReleaseImage(CPDF_Object* pImageStream);
- CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents);
+ CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
void ReleaseIccProfile(CPDF_Stream* pIccProfileStream, CPDF_IccProfile* pIccProfile);
CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
void ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce = FALSE);
@@ -468,9 +468,11 @@ protected:
class CPDF_IccProfile : public CFX_Object
{
public:
- CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize, int nComponents);
+ CPDF_IccProfile(FX_LPCBYTE pData, FX_DWORD dwSize);
~CPDF_IccProfile();
+ FX_INT32 GetComponents() const { return m_nSrcComponents; }
FX_BOOL m_bsRGB;
+ FX_INT32 m_nSrcComponents;
FX_LPVOID m_pTransform;
};
class CPDF_DeviceCS : public CPDF_ColorSpace
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 18:45:09 +0000