1 files changed, 85 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Image.h b/core/fxcodec/jbig2/JBig2_Image.h
new file mode 100644
index 0000000000..a18a95d596
--- /dev/null
+++ b/core/fxcodec/jbig2/JBig2_Image.h
@@ -0,0 +1,85 @@
+// Copyright 2014 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_FXCODEC_JBIG2_JBIG2_IMAGE_H_
+#define CORE_FXCODEC_JBIG2_JBIG2_IMAGE_H_
+
+#include "core/fxcodec/jbig2/JBig2_Define.h"
+
+enum JBig2ComposeOp {
+  JBIG2_COMPOSE_OR = 0,
+  JBIG2_COMPOSE_AND = 1,
+  JBIG2_COMPOSE_XOR = 2,
+  JBIG2_COMPOSE_XNOR = 3,
+  JBIG2_COMPOSE_REPLACE = 4
+};
+
+struct FX_RECT;
+class CJBig2_Image {
+ public:
+  CJBig2_Image(int32_t w, int32_t h);
+
+  CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf);
+
+  CJBig2_Image(const CJBig2_Image& im);
+
+  ~CJBig2_Image();
+
+  FX_BOOL getPixel(int32_t x, int32_t y);
+
+  int32_t setPixel(int32_t x, int32_t y, FX_BOOL v);
+
+  void copyLine(int32_t hTo, int32_t hFrom);
+
+  void fill(FX_BOOL v);
+
+  FX_BOOL composeTo(CJBig2_Image* pDst,
+                    int32_t x,
+                    int32_t y,
+                    JBig2ComposeOp op);
+  FX_BOOL composeTo(CJBig2_Image* pDst,
+                    int32_t x,
+                    int32_t y,
+                    JBig2ComposeOp op,
+                    const FX_RECT* pSrcRect);
+
+  FX_BOOL composeTo_opt2(CJBig2_Image* pDst,
+                         int32_t x,
+                         int32_t y,
+                         JBig2ComposeOp op);
+  FX_BOOL composeTo_opt2(CJBig2_Image* pDst,
+                         int32_t x,
+                         int32_t y,
+                         JBig2ComposeOp op,
+                         const FX_RECT* pSrcRect);
+
+  FX_BOOL composeFrom(int32_t x,
+                      int32_t y,
+                      CJBig2_Image* pSrc,
+                      JBig2ComposeOp op);
+  FX_BOOL composeFrom(int32_t x,
+                      int32_t y,
+                      CJBig2_Image* pSrc,
+                      JBig2ComposeOp op,
+                      const FX_RECT* pSrcRect);
+
+  CJBig2_Image* subImage(int32_t x, int32_t y, int32_t w, int32_t h);
+
+  void expand(int32_t h, FX_BOOL v);
+
+ public:
+  int32_t m_nWidth;
+
+  int32_t m_nHeight;
+
+  int32_t m_nStride;
+
+  uint8_t* m_pData;
+
+  FX_BOOL m_bNeedFree;
+};
+
+#endif  // CORE_FXCODEC_JBIG2_JBIG2_IMAGE_H_