//****************************************************************************************
// File:      CairoGraphPort.h
//
// Copyright: 1999-2004, Ableton AG, Berlin. All rights reserved.
//****************************************************************************************

#pragma once

#if !defined(CairoGraphPort_h)
#define CairoGraphPort_h


//========================================================================================

//+I{
  #include "WindView/Exp/GraphPort.h"
  #include <cairo.h>
//+I}


//========================================================================================

//+F{
//+F}


//========================================================================================

//+M{
  #undef MDll
//+M}

//========================================================================================

class ACairoGraphPort : public AGraphPort
{
public:

  static ACairoGraphPort* SCreate(
    unsigned char* pBuffer, 
    TInt Width, 
    TInt Height, 
    TInt Stride);

  ACairoGraphPort(cairo_surface_t* pSurface, TInt Width, TInt Height);

  virtual void DrawPixel(TPoint P, TColor Color);
  virtual void SetPixel(TPoint P, TColor Color);

  virtual void DrawLine(TPoint P0, TPoint P1, TColor Color);
  virtual void DrawLine(TPoint P0, TPoint P1, TColor Color, TInt Thickness);

  virtual void DrawLine(
    TPoint P0, 
    TPoint P1, 
    TColor Color1, 
    TColor Color2,
    const TFillPattern& Pattern);

  virtual void DrawLine(
    TPoint P0, 
    TPoint P1, 
    TColor Color1, 
    TColor Color2,
    const TFillPattern& Pattern,
    TInt Thickness);

  virtual void DrawAntiAliasedLine(
    TFloat X, 
    TFloat Y, 
    TFloat X2, 
    TFloat Y2, 
    TColor Color,
    TFloat Thickness);

  virtual void DrawRect(TRect Rect, TColor Color);
  virtual void DrawRect(TRect Rect, TColor Color, TInt Thickness);

  virtual void DrawRect(
    TRect Rect, 
    TColor Color1, 
    TColor Color2, 
    const TFillPattern& Pattern);

  virtual void DrawRect(
    TRect Rect, 
    TColor Color1, 
    TColor Color2, 
    const TFillPattern& Pattern,
    TInt Thickness);

  virtual void DrawCorners(TRect Rect, TInt Length, TColor Color);
  virtual void DrawCorners(TRect Rect, TInt Length, TColor Color, TInt Thickness);

  virtual void DrawFilledRect(TRect Rect, TColor Color);

  virtual void DrawFilledRectThreshold(
    TRect Rect,
    TColor Color1,
    TColor Color2,
    TDouble Threshold);

  virtual void FillLowerDiagonalOfRect(TPoint Left, TPoint Right, TColor Color);

  virtual void DrawFilledTriangle(TPoint Point, TInt X, TInt Y, TColor Color);

  virtual void Clear(TColor Color);

  virtual void SetAlpha(TU8 Alpha, TRect Rect);

  virtual void DrawBitmap(
    ABitmap *pBitmap,
    TPoint  DstPos,
    TBool   UseAlpha = false);

  virtual void DrawBitmap(
    ABitmap *pBitmap,
    TRect   Src,
    TPoint  DstPos,
    TBool   UseAlpha = false);

  virtual void DrawBitmapScaled(
    TPtr<ABitmap> pSrcBitmap, 
    TRect         SrcRect,    
    TRect         DstRect,
    TBool         UseAlpha,
    TBool         DstInFixedPoint = false);

  void SetColor(TColor Color);

private:

  void Init(cairo_surface_t* pSurface);

  cairo_t* mpCairo;
  cairo_surface_t* mpSurface;
};


//----------------------------------------------------------------------------------------

MInline void ACairoGraphPort::SetColor(TColor Color)
{
  cairo_set_source_rgba(
    mpCairo, 
    Color.Red() / 255.0, 
    Color.Green() / 255.0, 
    Color.Blue() / 255.0, 
    Color.Alpha() / 255.0);
}

#endif  // CairoGraphPort_h


//****************************************************************************************
//                                     E O F
//****************************************************************************************