diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp index 79d73518a1..4ed17cdfe5 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp @@ -505,10 +505,14 @@ DIB_COMP_DATA* CPDF_DIBSource::GetDecodeAndMaskArray(FX_BOOL& bDefaultDecode, FX } int max_data = (1 << m_bpc) - 1; CPDF_Array* pDecode = m_pDict->GetArray(FX_BSTRC("Decode")); + FX_DWORD arrSize = pDecode ? pDecode->GetCount() : 0; + if (arrSize == 0) { + return NULL; + } if (pDecode) { for (FX_DWORD i = 0; i < m_nComponents; i ++) { - pCompData[i].m_DecodeMin = pDecode->GetNumber(i * 2); - FX_FLOAT max = pDecode->GetNumber(i * 2 + 1); + pCompData[i].m_DecodeMin = pDecode->GetNumber((i * 2) % arrSize); + FX_FLOAT max = pDecode->GetNumber((i * 2 + 1) % arrSize); pCompData[i].m_DecodeStep = (max - pCompData[i].m_DecodeMin) / max_data; FX_FLOAT def_value, def_min, def_max; m_pColorSpace->GetDefaultValue(i, def_value, def_min, def_max); |