// 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_FXGE_APPLE_APPLE_INT_H_
#define CORE_FXGE_APPLE_APPLE_INT_H_

#include "core/fxcrt/fx_system.h"

#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_

#include "core/fxge/cfx_graphstatedata.h"
#include "core/fxge/cfx_pathdata.h"
#include "core/fxge/cfx_renderdevice.h"
#include "core/fxge/fx_dib.h"
#include "core/fxge/ifx_renderdevicedriver.h"

#if _FX_OS_ == _FX_MACOSX_
#include <Carbon/Carbon.h>
#endif

class CQuartz2D {
 public:
  void* createGraphics(CFX_DIBitmap* bitmap);
  void destroyGraphics(void* graphics);

  void* CreateFont(const uint8_t* pFontData, uint32_t dwFontSize);
  void DestroyFont(void* pFont);
  void setGraphicsTextMatrix(void* graphics, CFX_Matrix* matrix);
  bool drawGraphicsString(void* graphics,
                          void* font,
                          FX_FLOAT fontSize,
                          uint16_t* glyphIndices,
                          CGPoint* glyphPositions,
                          int32_t chars,
                          FX_ARGB argb,
                          CFX_Matrix* matrix = nullptr);
  void saveGraphicsState(void* graphics);
  void restoreGraphicsState(void* graphics);
};

class CApplePlatform {
 public:
  CApplePlatform() {}
  ~CApplePlatform() {}

  CQuartz2D m_quartz2d;
};

class CFX_QuartzDeviceDriver : public IFX_RenderDeviceDriver {
 public:
  CFX_QuartzDeviceDriver(CGContextRef context, int32_t deviceClass);
  ~CFX_QuartzDeviceDriver() override;

  // IFX_RenderDeviceDriver
  int GetDeviceCaps(int caps_id) const override;
  CFX_Matrix GetCTM() const override;
  void SaveState() override;
  void RestoreState(bool bKeepSaved) override;
  bool SetClip_PathFill(const CFX_PathData* pPathData,
                        const CFX_Matrix* pObject2Device,
                        int fill_mode) override;
  bool SetClip_PathStroke(const CFX_PathData* pPathData,
                          const CFX_Matrix* pObject2Device,
                          const CFX_GraphStateData* pGraphState) override;
  bool DrawPath(const CFX_PathData* pPathData,
                const CFX_Matrix* pObject2Device,
                const CFX_GraphStateData* pGraphState,
                uint32_t fill_color,
                uint32_t stroke_color,
                int fill_mode,
                int blend_type) override;
  bool FillRectWithBlend(const FX_RECT* pRect,
                         uint32_t fill_color,
                         int blend_type) override;
  bool DrawCosmeticLine(FX_FLOAT x1,
                        FX_FLOAT y1,
                        FX_FLOAT x2,
                        FX_FLOAT y2,
                        uint32_t color,
                        int blend_type) override;
  bool GetClipBox(FX_RECT* pRect) override;
  bool GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) override;
  bool SetDIBits(const CFX_DIBSource* pBitmap,
                 uint32_t color,
                 const FX_RECT* pSrcRect,
                 int dest_left,
                 int dest_top,
                 int blend_type) override;
  bool StretchDIBits(const CFX_DIBSource* pBitmap,
                     uint32_t color,
                     int dest_left,
                     int dest_top,
                     int dest_width,
                     int dest_height,
                     const FX_RECT* pClipRect,
                     uint32_t flags,
                     int blend_type) override;
  bool StartDIBits(const CFX_DIBSource* pBitmap,
                   int bitmap_alpha,
                   uint32_t color,
                   const CFX_Matrix* pMatrix,
                   uint32_t flags,
                   void*& handle,
                   int blend_type) override;
  bool DrawDeviceText(int nChars,
                      const FXTEXT_CHARPOS* pCharPos,
                      CFX_Font* pFont,
                      const CFX_Matrix* pObject2Device,
                      FX_FLOAT font_size,
                      uint32_t color) override;
  void ClearDriver() override;

 protected:
  void setStrokeInfo(const CFX_GraphStateData* graphState,
                     FX_ARGB argb,
                     FX_FLOAT lineWidth);
  void setFillInfo(FX_ARGB argb);
  void setPathToContext(const CFX_PathData* pathData);
  FX_FLOAT getLineWidth(const CFX_GraphStateData* graphState,
                        CGAffineTransform ctm);
  bool CG_DrawGlyphRun(int nChars,
                       const FXTEXT_CHARPOS* pCharPos,
                       CFX_Font* pFont,
                       const CFX_Matrix* pGlyphMatrix,
                       const CFX_Matrix* pObject2Device,
                       FX_FLOAT font_size,
                       uint32_t argb);
  void CG_SetImageTransform(int dest_left,
                            int dest_top,
                            int dest_width,
                            int dest_height,
                            CGRect* rect);

  CGContextRef m_context;
  CGAffineTransform m_foxitDevice2User;
  CGAffineTransform m_user2FoxitDevice;
  int32_t m_saveCount;

  int32_t m_width;
  int32_t m_height;
  int32_t m_bitsPerPixel;
  int32_t m_deviceClass;
  int32_t m_renderCaps;
  int32_t m_horzSize;
  int32_t m_vertSize;
};
#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_

#endif  // CORE_FXGE_APPLE_APPLE_INT_H_