Continue splitting up render_int

Moved CPDF_ImageLoader, CPDF_ImageLoaderHandle, and CPDF_TransferFunc

Review-Url: https://codereview.chromium.org/2518553002

1 files changed, 47 insertions, 0 deletions

diff --git a/core/fpdfapi/render/cpdf_imageloader.h b/core/fpdfapi/render/cpdf_imageloader.h
new file mode 100644
index 0000000000..da578a321f
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_imageloader.h
@@ -0,0 +1,47 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_RENDER_CPDF_IMAGELOADER_H_
+#define CORE_FPDFAPI_RENDER_CPDF_IMAGELOADER_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxge/fx_dib.h"
+
+class CPDF_ImageLoaderHandle;
+class CPDF_ImageObject;
+class CPDF_PageRenderCache;
+class CPDF_RenderStatus;
+
+class CPDF_ImageLoader {
+ public:
+  CPDF_ImageLoader();
+  ~CPDF_ImageLoader();
+
+  bool Start(const CPDF_ImageObject* pImage,
+             CPDF_PageRenderCache* pCache,
+             bool bStdCS,
+             uint32_t GroupFamily,
+             bool bLoadMask,
+             CPDF_RenderStatus* pRenderStatus,
+             int32_t nDownsampleWidth,
+             int32_t nDownsampleHeight);
+  bool Continue(IFX_Pause* pPause);
+
+  CFX_DIBSource* m_pBitmap;
+  CFX_DIBSource* m_pMask;
+  uint32_t m_MatteColor;
+  bool m_bCached;
+
+ private:
+  int32_t m_nDownsampleWidth;
+  int32_t m_nDownsampleHeight;
+
+  std::unique_ptr<CPDF_ImageLoaderHandle> m_pLoadHandle;
+};
+
+#endif  // CORE_FPDFAPI_RENDER_CPDF_IMAGELOADER_H_