1 files changed, 66 insertions, 0 deletions
diff --git a/core/fxge/win32/cgdi_display_driver.h b/core/fxge/win32/cgdi_display_driver.h
new file mode 100644
index 000000000..2e4319483
--- /dev/null
+++ b/core/fxge/win32/cgdi_display_driver.h
@@ -0,0 +1,66 @@
+// Copyright 2020 The PDFium Authors
+// 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_FXGE_WIN32_CGDI_DISPLAY_DRIVER_H_
+#define CORE_FXGE_WIN32_CGDI_DISPLAY_DRIVER_H_
+
+#include <stdint.h>
+#include <windows.h>
+
+#include <memory>
+
+#include "core/fxcrt/retain_ptr.h"
+#include "core/fxge/win32/cgdi_device_driver.h"
+
+class CFX_DIBBase;
+struct FXDIB_ResampleOptions;
+struct FX_RECT;
+
+class CGdiDisplayDriver final : public CGdiDeviceDriver {
+ public:
+  explicit CGdiDisplayDriver(HDC hDC);
+  ~CGdiDisplayDriver() override;
+
+ private:
+  // CGdiDisplayDriver:
+  int GetDeviceCaps(int caps_id) const override;
+  bool GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap,
+                 int left,
+                 int top) override;
+  bool SetDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
+                 uint32_t color,
+                 const FX_RECT& src_rect,
+                 int left,
+                 int top,
+                 BlendMode blend_type) override;
+  bool StretchDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
+                     uint32_t color,
+                     int dest_left,
+                     int dest_top,
+                     int dest_width,
+                     int dest_height,
+                     const FX_RECT* pClipRect,
+                     const FXDIB_ResampleOptions& options,
+                     BlendMode blend_type) override;
+  bool StartDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
+                   int bitmap_alpha,
+                   uint32_t color,
+                   const CFX_Matrix& matrix,
+                   const FXDIB_ResampleOptions& options,
+                   std::unique_ptr<CFX_ImageRenderer>* handle,
+                   BlendMode blend_type) override;
+
+  bool UseFoxitStretchEngine(const RetainPtr<CFX_DIBBase>& pSource,
+                             uint32_t color,
+                             int dest_left,
+                             int dest_top,
+                             int dest_width,
+                             int dest_height,
+                             const FX_RECT* pClipRect,
+                             const FXDIB_ResampleOptions& options);
+};
+
+#endif  // CORE_FXGE_WIN32_CGDI_DISPLAY_DRIVER_H_