diff options
Diffstat (limited to 'core/fpdfapi/page/fpdf_page_colors.cpp')
-rw-r--r-- | core/fpdfapi/page/fpdf_page_colors.cpp | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/core/fpdfapi/page/fpdf_page_colors.cpp b/core/fpdfapi/page/fpdf_page_colors.cpp index 061aae807a..e69620ea9a 100644 --- a/core/fpdfapi/page/fpdf_page_colors.cpp +++ b/core/fpdfapi/page/fpdf_page_colors.cpp @@ -25,6 +25,11 @@ float NormalizeChannel(float fVal) { return std::min(std::max(fVal, 0.0f), 1.0f); } +bool DetectSRGB(const uint8_t* pData, uint32_t dwSize) { + return dwSize == 3144 && + FXSYS_memcmp(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0; +} + } // namespace uint32_t ComponentsForFamily(int family) { @@ -214,16 +219,20 @@ void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf, } CPDF_IccProfile::CPDF_IccProfile(const uint8_t* pData, uint32_t dwSize) - : m_bsRGB(false), m_pTransform(nullptr), m_nSrcComponents(0) { - if (dwSize == 3144 && - FXSYS_memcmp(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0) { - m_bsRGB = true; + : m_bsRGB(DetectSRGB(pData, dwSize)) { + if (m_bsRGB) { m_nSrcComponents = 3; - } else if (CPDF_ModuleMgr::Get()->GetIccModule()) { - m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB( - pData, dwSize, m_nSrcComponents); + return; + } + auto* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule(); + if (pIccModule) { + uint32_t nSrcComps = 0; + m_pTransform = pIccModule->CreateTransform_sRGB(pData, dwSize, nSrcComps); + if (m_pTransform) + m_nSrcComponents = nSrcComps; } } + CPDF_IccProfile::~CPDF_IccProfile() { if (m_pTransform) { CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform); |