Encapsulate CPDF_ImageLoader.

Change-Id: Iee7ce04630fed86f651cd382a19e46b2f7ab6d61
Reviewed-on: https://pdfium-review.googlesource.com/42672
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 12 insertions, 4 deletions

diff --git a/core/fpdfapi/render/cpdf_imageloader.h b/core/fpdfapi/render/cpdf_imageloader.h
index de29d0e2a9..7586d69cc2 100644
--- a/core/fpdfapi/render/cpdf_imageloader.h
+++ b/core/fpdfapi/render/cpdf_imageloader.h
@@ -16,6 +16,7 @@
 class CPDF_ImageObject;
 class CPDF_PageRenderCache;
 class CPDF_RenderStatus;
+class CPDF_TransferFunc;
 class PauseIndicatorIface;
 
 class CPDF_ImageLoader {
@@ -31,14 +32,21 @@ class CPDF_ImageLoader {
              CPDF_RenderStatus* pRenderStatus);
   bool Continue(PauseIndicatorIface* pPause, CPDF_RenderStatus* pRenderStatus);
 
-  RetainPtr<CFX_DIBBase> m_pBitmap;
-  RetainPtr<CFX_DIBBase> m_pMask;
-  uint32_t m_MatteColor;
-  bool m_bCached;
+  RetainPtr<CFX_DIBBase> TranslateImage(
+      const RetainPtr<CPDF_TransferFunc>& pTransferFunc);
+
+  const RetainPtr<CFX_DIBBase>& GetBitmap() const { return m_pBitmap; }
+  const RetainPtr<CFX_DIBBase>& GetMask() const { return m_pMask; }
+  uint32_t MatteColor() const { return m_MatteColor; }
 
  private:
   void HandleFailure();
 
+  RetainPtr<CFX_DIBBase> m_pBitmap;
+  RetainPtr<CFX_DIBBase> m_pMask;
+  uint32_t m_MatteColor = 0;
+  bool m_bCached = false;
+
   UnownedPtr<CPDF_PageRenderCache> m_pCache;
   UnownedPtr<CPDF_ImageObject> m_pImageObject;
 };