From 1330ebbff8a31beb19d38b2a680625a19240a4f0 Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Mon, 5 Mar 2018 15:16:37 +0000
Subject: Make FPDFBitmap_GetFormat() work for JBIG images.

BUG=pdfium:945

Change-Id: I2a880e747b6f5a2fabed4d34ce47b69ff589ce3f
Reviewed-on: https://pdfium-review.googlesource.com/27814
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
---
 core/fpdfapi/render/cpdf_dibsource.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'core/fpdfapi/render/cpdf_dibsource.cpp')

diff --git a/core/fpdfapi/render/cpdf_dibsource.cpp b/core/fpdfapi/render/cpdf_dibsource.cpp
index 8a752374b6..3c8d471767 100644
--- a/core/fpdfapi/render/cpdf_dibsource.cpp
+++ b/core/fpdfapi/render/cpdf_dibsource.cpp
@@ -708,6 +708,10 @@ RetainPtr<CPDF_DIBSource> CPDF_DIBSource::DetachMask() {
   return std::move(m_pMask);
 }
 
+bool CPDF_DIBSource::IsJBigImage() const {
+  return m_pStreamAcc->GetImageDecoder() == "JBIG2Decode";
+}
+
 CPDF_DIBSource::LoadState CPDF_DIBSource::StartLoadMaskDIB() {
   m_pMask = pdfium::MakeRetain<CPDF_DIBSource>();
   LoadState ret = m_pMask->StartLoadDIBSource(
-- 
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