/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/

/**
 *  PURPOSE:
 *
 *  Class definitions for the regular object viewers and their support
 *  classes:
 *  	- rviewImage hierarchy, including pixmapCanvas, rendererControl
 *    	  and rviewImageSetup. Source in rviewImage.cpp.
 *  	- rviewChart (chartCanvas). Source in rviewChart.cpp.
 *  	- rviewTable (tableCanvas). Source in rviewTable.cpp.
 *  COMMENTS:
 *			None
 */

/**
*	@file rviewDmodes.hh
*
*	@ingroup Applications
*/

#ifndef _RVIEW_DMODES_H_
#define _RVIEW_DMODES_H_

#include "rasodmg/ref.hh"
#include "rasodmg/marray.hh"
#include "rasodmg/gmarray.hh"

#include "labelManager.hh"
#include "rviewUtils.hh"
#include "rviewDisplay.hh"
#include "rviewColMap.hh"

#ifdef __VISUALC__
struct vertex;
struct vertex_fp;
struct graph_env;
struct tex_desc;
struct voxel_desc;
struct mesh_desc;
struct mdd_desc;
#else
typedef struct vertex;
typedef struct vertex_fp;
typedef struct graph_env;
typedef struct tex_desc;
typedef struct voxel_desc;
typedef struct mesh_desc;
typedef struct mdd_desc;
#endif

class rviewImage;
class rviewRenderImage;


// Possible display formats
enum rviewImageMode {
  rim_none,
  rim_surf,
  rim_voxel
};


// Flags for light direction
#define RVIEW_LIGHTDIR_LEFT	1
#define RVIEW_LIGHTDIR_RIGHT	2
#define RVIEW_LIGHTDIR_DOWN	4
#define RVIEW_LIGHTDIR_UP	8
#define RVIEW_LIGHTDIR_FRONT	16
#define RVIEW_LIGHTDIR_BACK	32

typedef struct rview_image_setup {
  unsigned long zpro, clipz;
  double pixelThresholdLow, pixelThresholdHigh, weightThreshold;
  int weightQuantisation;
  bool useRgbBrightness;
  bool useLights;
  double lightsAmbient;
  double lightsGain;
  double lightsAngle;
  double lightsScintAngle;
  int lightsDir;
  int lightsDist;
  int kernelSize, kernelType;
  bool useVoxCol;
  double voxColour;
  int gridSize;
  double scaleHeight;
} rview_image_setup;


/*
 *  Image setup window for customizing the renderer.
 */
class rviewImageSetup: public rviewFrame
{
  public:

  rviewImageSetup(rview_image_setup *ris, rviewRenderImage *parentWin);
  ~rviewImageSetup(void);

  void unlinkParent(void);

  void OnSize(int w, int h);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);

  void updateSettings(const rview_image_setup &ris);
  void readNewSetup(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  static int parseLightDirection(const char *dir);

  // constants
  // Borders used in setup window
  static const int imgset_border;
  // Height of text widgets in setup window
  static const int imgset_theight;
  // Height of checkboxes in setup window
  static const int imgset_chkheight;
  // Height of group boxes in setup window
  static const int imgset_renheight;
  static const int imgset_voxheight;
  static const int imgset_hgtheight;
  // Dimensions of buttons in setup window
  static const int imgset_bwidth;
  static const int imgset_bheight;
  // Dimensions of checkboxes in setup window
  static const int imgset_chowidth;
  static const int imgset_choheight;
  // Setup window dimensions
  static const int imgset_width;
  static const int imgset_height;


  protected:

  rviewRenderImage *parent;
  wxPanel *panel;
  wxGroupBox *renderGroup, *voxelGroup, *heightGroup;
  rviewText *zproWidget, *clipzWidget;
  rviewText *pixThreshLowWidget, *pixThreshHighWidget, *wgtThreshWidget, *wgtQuantWidget;
  rviewCheckBox *useRgbBrightness;
  rviewCheckBox *useLights;
  rviewChoice *kernelSize, *kernelType;
  rviewText *lightsAmbient, *lightsGain, *lightsAngle, *lightsScintAngle;
  rviewText *lightsDir, *lightsDist;
  rviewCheckBox *useVoxCol;
  rviewText *voxColour;
  rviewText *gridSize, *scaleHeight;
  rviewButton *okBut, *cancelBut;
  rview_image_setup oldSetup, *imgSetup;

  static const char *normalKernelSizes[];
  static const keyword_to_ident_c normalKernelTypes[];
};



/*
 *  Renderer playback control window
 */
class rendererControl: public rviewFrame
{
  public:

  rendererControl(float drx, float dry, float drz, int mode, rviewRenderImage *parentWin);
  ~rendererControl(void);

  void unlinkParent(void);
  void setActiveMode(int mode);

  void OnSize(int w, int h);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  // constants
  // Borders used in renderer control window
  static const int rctrl_border;
  // Button dimensions
  static const int rctrl_bwidth;
  static const int rctrl_bheight;
  // Reset button dimensions
  static const int rctrl_rwidth;
  static const int rctrl_rheight;
  // Slider height
  static const int rctrl_sheight;
  // Window dimensions
  static const int rctrl_width;
  static const int rctrl_height;


  protected:

  void updateParameters(void);

  wxPanel *panel;
  rviewSlider *rotx, *roty, *rotz;
  rviewButton *resetX, *resetY, *resetZ;
  rviewButton *actionBut, *closeBut;
  rviewRenderImage *parent;
  int active;
};


/*
 *  Renderer current view window (rotation, offset, scale)
 */
class rendererCurrentView: public rviewFrame
{
  public:

  rendererCurrentView(const vertex_fp &angles, long off, double scale, rviewRenderImage *parentWin);
  ~rendererCurrentView(void);

  void unlinkParent(void);
  
  void OnSize(int w, int h);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  void updateView(const vertex_fp &angles, long off, double scale);

  // constants
  // Borders used in renderer view window
  static const int rcview_border;
  // Button dimensions
  static const int rcview_bwidth;
  static const int rcview_bheight;
  // Text widget height
  static const int rcview_theight;
  // Window dimensions
  static const int rcview_width;
  static const int rcview_height;


  protected:
  
  void updateParameters(void);

  wxPanel *panel;
  rviewButton *applyButton, *closeButton;
  rviewText *rotx, *roty, *rotz;
  rviewText *zoff;
  rviewText *cubeScale;
  rviewRenderImage *parent;
};



class wxPixmap;

/*
 *  Container class for wxPixmap.
 */
class pixmapCanvas: public wxCanvas
{
  public:

  pixmapCanvas(rviewImage *parent, int x, int y, int w, int h, long style=0);
  ~pixmapCanvas(void);

  void setPixmap(wxPixmap *pmap);
  void updateDisplay(bool borders=FALSE);

  void OnPaint(void);
  void OnEvent(wxMouseEvent &mevt);
  
  void SetAspectRatio(double ratio);	// 0 for none
  void ToggleDragBox(bool clearMode);
  void SetDragBox(int x0, int y0, int x1, int y1);
  bool HasDragBox(void) const;
  bool GetDragBox(int &x0, int &y0, int &x1, int &y1) const;
  void UpdateDragBox(int x1, int y1);
  void AdjustDragBox(int x1, int y1);


  protected:

  void paintCore(int x, int y);
  void adjustBoxToRatio(void);

  wxPixmap *pixmap;
  wxDC *myDC;
  wxBrush brush;
  wxBrush border;
  wxBrush textBack;
  wxPen bpen;
  wxPen fpen;
  wxFont *font;
  rviewImage *parentWin;
  int pixWidth, pixHeight;
  int offX, offY;
  int rect_x0, rect_y0, rect_x1, rect_y1;
  double aspectRatio;
  wxRect textBBox;
};


// Flags used when settings are updated
#define RVIEW_IFLAG_VOXEL	1
#define RVIEW_IFLAG_LIGHT	2
#define RVIEW_IFLAG_HEIGHT	4

/*
 *  Abstract base class for all windows containing an image + controls
 */
class rviewImage: public rviewDisplay
{
  public:

  rviewImage(mdd_frame *mf, int es, unsigned int flags=0);
  virtual ~rviewImage(void);

  virtual int openViewer(void);

  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);
  virtual void processMouseEvent(wxMouseEvent &mevt);
  virtual int userEvent(const user_event &ue);
  virtual void prepareToDie(void);
  virtual int newProjection(void)=0;
  virtual int requestQuit(int level);

  virtual void OnSize(int w, int h);
  virtual void OnMenuCommand(int id);
  virtual bool OnClose(void);	// overload from rviewFrame

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  // Default flags for wxPixmap class (dithering etc)
  static int getPixmapFlags(void);

  // constants
  // Slider dimensions
  static const int image_swidth;
  static const int image_sheight;
  // Playback buttons dimensions
  static const int image_pbwidth;
  static const int image_pbheight;
  // Minimum size of image
  static const int image_minwidth;
  static const int image_minheight;
  // Checkbox dimensions
  static const int image_chkwidth;
  static const int image_chkheight;
  // Bounding box checkbox dimensions
  static const int image_bbwidth;
  static const int image_bbheight;
  // Text field dimensions
  static const int image_twidth;
  static const int image_theight;
  // Button dimensions
  static const int image_bwidth;
  static const int image_bheight;
  // Offsets of drag box in canvas
  static const int image_dragtoff;
  static const int image_dragtspace;
  // Distance from the border at which to autoscroll
  static const int image_draghotzone;
  // Extra space reserved on control panel
  static const int image_ctrly;
  static const int image_totaly;


  protected:

  void updatePixmap(char *oldData, char *newData);
  void configureCspace(bool state);
  void setCspaceProjMode(bool pmode);
  void resizeImage(void);
  void openViewerEpilogue(rviewFrameType ft);
  int freeDimsFromProjection(int &dim1, int &dim2, r_Point *map);
  void ensureViewCspace(void);
  void deleteViewCspace(void);
  virtual void projectObjectHook(void);
  virtual void configureMode(void);
  virtual char *initMode(void)=0;
  virtual bool cspaceRangeHook(bool suggest);
  virtual char *movieNewFrame(void);
  virtual void rotateObject(wxMouseEvent &mevt);
  virtual int fileMenuInitHook(wxMenu *menu);
  virtual int configMenuInitHook(wxMenu *menu);
  // Query viewer capabilities
  virtual bool modeNeedsCspace(rviewBaseType bt) const;
  virtual bool canRotateObject(void) const;
  virtual bool moviePossible(void) const;
  virtual bool showScaleSlider(void) const;
  // view management
  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);

  wxPixmap *pixmap;
  pixmapCanvas *pcanv;
  rviewSlider *scaleSlider;
  int pixWidth, pixHeight, pixPitch, pixPad, pixDepth;
  int virtualPitch;
  char *imgData;
  double scaleValue;
  int scrollx, scrolly;
  float mousex, mousey;
  int mousebut;
  unsigned int freeDims;
  // For intensity to RGB translations (ushort)
  colourspaceMapper *csmap;
  bool doValToCspace;
  bool doFullRangeCspace;
  bool doProjRangeCspace;
  // base type allows cspace mapping?
  bool cspaceForType;
  // image fully initialized?
  bool initPhaseFinished;
  r_Minterval *csInterv;
  // shared by flat and height field which don't have a shared derivation path
  rviewButton *playFwd, *playBack, *playStop;
  int playDirection;
  int lastMovieMode;
  // colourspace parameters for view loading
  colourspace_params *cspar;

  // view parameters
  static const char *view_ScrollPos;
  static const char *view_UseCspace;
  static const char *view_CspaceFull;
  static const char *view_CspaceProj;
  static const char *view_CspaceMeans;
  static const char *view_CspaceSigmas;
  static const char *view_CspaceType;
  static const char *view_CspaceRange;
  static const char *view_ScaleValue;
};


/*
 *  Base class for flat images, i.e. 2D orthogonal projections
 */
class rviewFlatBaseImage: public rviewImage
{
  public:

  rviewFlatBaseImage(mdd_frame *mf, int es, unsigned int flags=0);
  virtual ~rviewFlatBaseImage(void);

  virtual int newProjection(void);
  virtual int openViewer(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;


  protected:

  virtual char *initMode(void);
  char *projectImage(void);
};


/*
 *  Standard flat images
 */
class rviewFlatImage: public rviewFlatBaseImage
{
  public:

  rviewFlatImage(mdd_frame *mf, unsigned int flags=0);
  ~rviewFlatImage(void);
  
  void OnSize(int w, int h); 

  virtual int openViewer(void);
  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;


  protected:

  virtual char *initMode(void);
  virtual bool moviePossible(void) const;
  virtual char *movieNewFrame(void);
};


/*
 *  Abstract base class for all rendered images (voxel, height field, whatever...)
 */
class rviewRenderImage: public rviewImage
{
  public:

  rviewRenderImage(mdd_frame *mf, int es, unsigned int flags=0);
  virtual ~rviewRenderImage(void);

  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);
  virtual int newProjection(void);
  virtual void prepareToDie(void);
  virtual int requestQuit(int level);
  virtual int userEvent(const user_event &ue);
  virtual void OnSize(int w, int h);
  virtual void OnMenuCommand(int id);
  virtual bool OnClose(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  void closeEditor(bool newSetup);
  void updateSettings(int setFlags);

  void closeRendererControls(void);
  void setAutoRotation(float rx, float ry, float rz);
  void setCurrentView(const vertex_fp &angles, long off, double scale);


  protected:

  virtual char *initMode(void);
  virtual char *setupEnvironment(int w, int h)=0;
  virtual void rotateObject(wxMouseEvent &mevt);
  virtual bool doUpdate(int updateFlags)=0;
  virtual void redrawSettingsChanged(void);
  virtual void fillBuffer(void)=0;
  virtual void fillBackgroundCore(rviewBaseType bt, double minVal);
  virtual int configMenuInitHook(wxMenu *menu);
  virtual int viewMenuInitHook(wxMenu *menu);
  virtual bool canRotateObject(void) const;
  virtual void updateCurrentView(void);

  int setupEnvBase(int w, int h, r_Ref<r_GMarray> &mdd, colourspaceMapper **csm, r_Minterval *csdom);
  char *setupGraphEnv(void);
  void fillBufferBackground(bool doCspace, bool &cspaceOK, r_Ref<r_GMarray>& obj, colourspaceMapper **csm, r_Minterval *csdom, rviewBaseType bt, bool fullRange, double *useMinVal=NULL);
  void translateBufferToCspace(rviewBaseType bt, double *useMinVal=NULL, double *useMaxVal=NULL);
  static void rotateCube(int axis, float angle, vertex_fp *matrix);
  void rotateCube(int axis, float angle);
  void getLightPos(vertex_fp *lpos);

  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);

  // convert rotation matrix to angles and back
  void matrixToAngles(vertex_fp &angles) const;
  void anglesToMatrix(const vertex_fp &angles);

  int rendererPlayback;
  vertex_fp *geomData, *geomUse;
  vertex_fp *rot;
  graph_env *graphEnv;
  union {unsigned long l; float f; double d;} voxColour;
  long zoff;
  double cubeScale;
  // Rotation angle increments for renderer playback
  float drx, dry, drz;
  // Setup options
  rview_image_setup setup;
  rviewImageSetup *setupWindow;
  rendererControl *rcontrol;
  rendererCurrentView *rcurview;

  // view keywords
  static const char *view_ZProject;
  static const char *view_ZClip;
  static const char *view_PixThreshLow;
  static const char *view_PixThreshHigh;
  static const char *view_WeightThresh;
  static const char *view_WeightQuant;
  static const char *view_UseRGBBright;
  static const char *view_UseLighting;
  static const char *view_LightAmbient;
  static const char *view_LightGain;
  static const char *view_LightAngle;
  static const char *view_LightScint;
  static const char *view_LightDir;
  static const char *view_LightDist;
  static const char *view_KernelSize;
  static const char *view_KernelType;
  static const char *view_UseVoxColour;
  static const char *view_VoxColour;
  static const char *view_GridSize;
  static const char *view_ScaleHeight;
  static const char *view_Rotation;
  static const char *view_ZOffset;
};


/*
 *  Class for visualizations of volumetric images (3D texture mapper &
 *  voxel renderer).
 */
class rviewVolumeImage: public rviewRenderImage
{
  public:

  rviewVolumeImage(mdd_frame *mf, unsigned int flags=0);
  virtual ~rviewVolumeImage(void);

  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);
  virtual void OnSize(int w, int h);
  virtual void OnMenuCommand(int id);
  virtual int openViewer(void);
  
  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;


  protected:

  virtual char *initMode(void);
  virtual char *setupEnvironment(int w, int h);
  virtual bool doUpdate(int updateFlags);
  virtual void fillBuffer(void);

  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);

  rviewCheckBox *boundingBox;
  rviewImageMode imode;
  int lastMode;
  tex_desc *texDesc;
  voxel_desc *voxDesc;
  bool initVoxParams;
  bool doBoundingBox;

  static const char *view_VolumeMode;
  static const char *view_UseBBox;
};


/*
 * Class for visualizing data as heightfields.
 */
class rviewHeightImage: public rviewRenderImage
{
  public:

  rviewHeightImage(mdd_frame *mf, unsigned int flags=0);
  virtual ~rviewHeightImage(void);

  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);
  virtual int newProjection(void);
  virtual void prepareToDie(void);
  virtual int requestQuit(int level);
  virtual int openViewer(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;


  protected:

  int depthForHeightfield(void) const;
  virtual char *initMode(void);
  virtual char *setupEnvironment(int w, int h);
  virtual char *movieNewFrame(void);
  virtual bool doUpdate(int updateFlags);
  virtual void redrawSettingsChanged(void);
  virtual void fillBackgroundCore(rviewBaseType bt, double minVal);
  virtual void fillBuffer(void);
  virtual bool cspaceRangeHook(bool suggest);
  virtual bool moviePossible(void) const;
  virtual bool modeNeedsCspace(rviewBaseType bt) const;

  mdd_desc *mddDesc;
  mesh_desc *meshDesc;
  // for colourspace mapping of heightfields.
  r_Ref<r_GMarray> dummyMDD;
};



/*
 *  An image scaled by the DBMS
 */
class r_Fast_Base_Scale;

class rviewScaledImage: public rviewFlatBaseImage
{
  public:

  rviewScaledImage(collection_desc *cd, r_Fast_Base_Scale *scaler, unsigned int flags=0);
  ~rviewScaledImage(void);

  virtual void processMouseEvent(wxMouseEvent &mevt);
  virtual void label(void);
  virtual int process(wxObject &obj, wxEvent &evt);
  virtual int openViewer(void);
  virtual void OnSize(int w, int h);
  virtual int newProjection(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;
  virtual const r_Minterval &getVirtualDomain(void) const;


  protected:

  virtual char *initMode(void);
  virtual void projectObjectHook(void);

  char *projectImage(void);
  bool showScaleSlider(void) const;
  void scaleViewBy(double scale);
  void newView(bool loadImage=TRUE);
  void projectionStringForView(void);
  double getLastScale(void) const;

  // view management
  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);
  void ensureLoadedView(void);

  rviewButton *zoomInBut;
  rviewButton *zoomOutBut;
  rviewButton *lastZoomBut;
  rviewButton *zoomBoxBut;
  rviewText *scaleString;

  bool boxState;

  typedef struct {
    double scale;
    r_Point low, high;
    int dim1, dim2;
  } view_desc_t;

  bool compareViews(const view_desc_t &v1, const view_desc_t &v2);

  // The current view
  view_desc_t thisView;
  r_Minterval fullDomain;
  bool dontLoad;
  double initialScale;
  view_desc_t *loadedView;

  DynamicStack<view_desc_t> viewHistory;

  r_Fast_Base_Scale *scaleObject;

  collection_desc *collDesc;

  static const double scaleStep;

  // view parameters
  static const char *view_CurrentBox;
  static const char *view_BoxScale;
};


// Structure for static conversion of MDD -> pixmap
typedef struct rviewFlatProjEnv {
  // initialized by caller
  r_GMarray *mddPtr;
  r_Point pt1, pt2;
  int dim1, dim2;
  rviewBaseType bt;
  double scale;
  bool doCspace;
  colourspaceMapper *csmap;
  int cspaceState;
  // initialized by prepareFlatProjection()
  int width, height;
  int pitch, pad, depth;
} rviewFlatProjEnv;

// Setup variables for projecting images
int rviewPrepareFlatProjection(rviewFlatProjEnv &penv);
// Project an MDD object into an image bitmap
int rviewPerformFlatProjection(rviewFlatProjEnv &env, char *data);






enum rviewChartMode {
  rcm_none,
  rcm_bar,
  rcm_line,
  rcm_spline
};

/*
 *  Canvas displaying a chart
 */

class chartCanvas: public wxCanvas
{
  public:

  chartCanvas(wxWindow *parent, int x, int y, int w, int h, long style=0);
  ~chartCanvas(void);

  void setData(mdd_frame *mf, rviewBaseType bt);
  void setVars(int s, double cs, int ds, bool cy, rviewChartMode cm);
  int  setProjection(r_Point &p1, r_Point &p2);
  void OnPaint(void);

  // constants
  // Space reserved on top / bottom of chart
  static const int chcanv_cospace;
  // Length of a corrdinate axis marker line
  static const int chcanv_colength;
  // Start exponential axis numbering when |exponent| >= x
  static const int chcanv_exponents;


  protected:

  // Core-functionality of chart modes
  void redrawBar(wxDC *cdc, int height, int dim, int startOff, int endOff, float scale, float posx, float stepx, float orgy);
  void redrawLine(wxDC *cdc, int dim, int startOff, int endOff, float scale, float posx, float stepx, float orgy);
  void redrawSpline(wxDC *cdc, int dim, int startOff, int endOff, float scale, float posx, float stepx, float orgy);

  r_Ref<r_GMarray> mddObj;
  int step, dimMDD;
  r_Point pt1, pt2;
  double min, max, costep;
  rviewBaseType baseType;
  rviewChartMode cmode;
  wxBrush brush, back;
  wxBrush brush_r, brush_g, brush_b;
  wxPen pen, pen_r, pen_g, pen_b;
  wxFont *font;
  bool cosys;
  char format[10];
  int coleft, datastep;
  int scroll;
};


/*
 *  A class for drawing charts
 */

class rviewChart: public rviewDisplay
{
  public:

  rviewChart(mdd_frame *mf, unsigned int flags=0);
  ~rviewChart(void);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);
  int newProjection(void);
  virtual int openViewer(void);

  void OnSize(int w, int h);
  void OnMenuCommand(int id);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;

  // constants
  // Text widget dimensions (step)
  static const int chart_twidth;
  static const int chart_theight;
  // checkbox dims
  static const int chart_cwidth;
  static const int chart_cheight;
  // Minimum size of viewer
  static const int chart_minwidth;
  static const int chart_minheight;
  static const int chart_ctrly;
  static const int chart_totaly;


  protected:

  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);

  void checkModeMenu(void);

  chartCanvas *canvas;
  int step, datastep;
  int lastMode;
  double costep;
  int scroll;
  bool cosys;
  rviewChartMode cmode;
  rviewText *stText, *coText, *dataText;
  rviewCheckBox *csBox;

  static const char *view_StepSize;
  static const char *view_Markers;
  static const char *view_ScrollPos;
  static const char *view_CoSys;
  static const char *view_ChartMode;
};



/*
 *  Canvas for plotting text onto
 */

class textCanvas: public wxCanvas
{
  public:

  textCanvas(wxWindow *parent, int x, int y, int w, int h, long style=0);
  ~textCanvas(void);

  void setData(mdd_frame *mf, rviewBaseType bt, unsigned int bs);
  void setStep(int sx, int sy);
  void setCoSys(bool cs, int &cl, int &ct);
  void setProjection(r_Point &pt1, r_Point &pt2, unsigned int fd, r_Point *mapIndex=NULL);
  void setNumberBase(int newBase);
  void OnPaint(void);
  void CalcTextExtent(char *b, float &width, float &height);
  void EstimateCellSize(int &width, int &height);

  // constants
  // Space around coordinate system
  static const int txcanv_cospace;
  // Default space between columns
  static const int txcanv_colspace;
  // Border used in text canvas
  static const int txcanv_border;


  protected:

  r_Ref<r_GMarray> mddObj;
  int stepx, stepy, dimMDD;
  int scrollX, scrollY;
  int coleft, cotop;
  int dim1, dim2;
  unsigned int freeDims;
  r_Point pt1, pt2;
  int numberBase;
  bool cosys;
  rviewBaseType baseType;
  unsigned int baseSize;
  wxBrush fore, back;
  wxPen pen;
  wxFont *font;
};



/*
 *  Class for displaying tables
 */

class rviewTable: public rviewDisplay
{
  public:

  rviewTable(mdd_frame *mf, unsigned int flags=0);
  ~rviewTable(void);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);
  int newProjection(void);
  void newTableSize(void);
  virtual int openViewer(void);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;

  void OnSize(int w, int h);
  void OnMenuCommand(int id);

  // constants
  // Dimensions of additional wxText items (configs)
  static const int table_twidth;
  static const int table_theight;
  // Dimensions of check box
  static const int table_cwidth;
  static const int table_cheight;
  // Minimum dimensions of table
  static const int table_minwidth;
  static const int table_minheight;
  static const int table_ctrly;
  static const int table_totaly;


  protected:

  void EstimateCellSize(int &width, int &height);

  virtual int saveView(FILE *fp);
  virtual int readView(const char *key, const char *value);
  virtual void loadViewFinished(void);

  void checkModeMenu(void);

  textCanvas *canvas;
  int stepx, stepy;
  int scrollx, scrolly;
  int fieldsx, fieldsy;
  int lastMode;
  unsigned int freeDims;
  bool cosys;
  rviewText *sxText, *syText;
  rviewCheckBox *csBox;
  int numberBase;

  static const char *view_StepSize;
  static const char *view_ScrollPos;
  static const char *view_CoSys;
  static const char *view_NumBase;
};



/*
 *  Class for displaying strings
 */

class rviewStringViewer: public rviewDisplay
{
  public:
  
  rviewStringViewer(mdd_frame *mf, unsigned int flags=0);
  ~rviewStringViewer(void);
  
  int newProjection(void);
  virtual int openViewer(void);
  
  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;
  virtual int getViewerType(void) const;
  
  void OnSize(int w, int h);
  
  // constants
  static const int strview_msgheight;
  static const int strview_minwidth;
  static const int strview_minheight;
  static const int strview_ctrly;
  static const int strview_totaly;

  
  protected:

  unsigned int freeDims;
  wxMessage *msgString;
};

#endif