Added OGL to contrib
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6407 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
296
contrib/include/wx/ogl/lines.h
Normal file
296
contrib/include/wx/ogl/lines.h
Normal file
@@ -0,0 +1,296 @@
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
// Name: lines.h
|
||||
// Purpose: wxLineShape
|
||||
// Author: Julian Smart
|
||||
// Modified by:
|
||||
// Created: 12/07/98
|
||||
// RCS-ID: $Id$
|
||||
// Copyright: (c) Julian Smart
|
||||
// Licence: wxWindows licence
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef _OGL_LINES_H_
|
||||
#define _OGL_LINES_H_
|
||||
|
||||
#ifdef __GNUG__
|
||||
#pragma interface "lines.h"
|
||||
#endif
|
||||
|
||||
class wxLabelShape;
|
||||
class wxPseudoMetaFile;
|
||||
class wxLineControlPoint;
|
||||
/*
|
||||
* Arcs with multiple arrowheads
|
||||
*
|
||||
*/
|
||||
|
||||
// Types of arrowhead
|
||||
// (i) Built-in
|
||||
#define ARROW_HOLLOW_CIRCLE 1
|
||||
#define ARROW_FILLED_CIRCLE 2
|
||||
#define ARROW_ARROW 3
|
||||
#define ARROW_SINGLE_OBLIQUE 4
|
||||
#define ARROW_DOUBLE_OBLIQUE 5
|
||||
// (ii) Custom
|
||||
#define ARROW_METAFILE 20
|
||||
|
||||
// Position of arrow on line
|
||||
#define ARROW_POSITION_START 0
|
||||
#define ARROW_POSITION_END 1
|
||||
#define ARROW_POSITION_MIDDLE 2
|
||||
|
||||
// Line alignment flags
|
||||
// Vertical by default
|
||||
#define LINE_ALIGNMENT_HORIZ 1
|
||||
#define LINE_ALIGNMENT_VERT 0
|
||||
#define LINE_ALIGNMENT_TO_NEXT_HANDLE 2
|
||||
#define LINE_ALIGNMENT_NONE 0
|
||||
|
||||
class wxArrowHead: public wxObject
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxArrowHead)
|
||||
|
||||
public:
|
||||
wxArrowHead(WXTYPE type = 0, int end = 0, double size = 0.0, double dist = 0.0, const wxString& name = "", wxPseudoMetaFile *mf = NULL,
|
||||
long arrowId = -1);
|
||||
~wxArrowHead();
|
||||
wxArrowHead(wxArrowHead& toCopy);
|
||||
|
||||
inline WXTYPE _GetType() const { return m_arrowType; }
|
||||
inline int GetPosition() const { return m_arrowEnd; }
|
||||
inline void SetPosition(int pos) { m_arrowEnd = pos; }
|
||||
inline double GetXOffset() const { return m_xOffset; }
|
||||
inline double GetYOffset() const { return m_yOffset; }
|
||||
inline double GetSpacing() const { return m_spacing; }
|
||||
inline double GetSize() const { return m_arrowSize; }
|
||||
inline wxString GetName() const { return m_arrowName; }
|
||||
inline void SetXOffset(double x) { m_xOffset = x; }
|
||||
inline void SetYOffset(double y) { m_yOffset = y; }
|
||||
inline wxPseudoMetaFile *GetMetaFile() const { return m_metaFile; }
|
||||
inline long GetId() const { return m_id; }
|
||||
inline int GetArrowEnd() const { return m_arrowEnd; }
|
||||
inline double GetArrowSize() const { return m_arrowSize; }
|
||||
void SetSize(double size);
|
||||
inline void SetSpacing(double sp) { m_spacing = sp; }
|
||||
|
||||
protected:
|
||||
WXTYPE m_arrowType;
|
||||
int m_arrowEnd; // Position on line
|
||||
double m_xOffset; // Distance from arc start or end, w.r.t. point on arrowhead
|
||||
// nearest start or end. If zero, use default spacing.
|
||||
double m_yOffset; // vertical offset (w.r.t. a horizontal line). Normally zero.
|
||||
double m_spacing; // Spacing from the last arrowhead
|
||||
double m_arrowSize; // Length of arrowhead
|
||||
wxString m_arrowName; // Name of arrow
|
||||
bool m_saveToFile; // TRUE if we want to save custom arrowheads to file.
|
||||
wxPseudoMetaFile* m_metaFile; // Pseudo metafile if this is a custom arrowhead
|
||||
long m_id; // identifier
|
||||
};
|
||||
|
||||
// Line object
|
||||
class wxLabelShape;
|
||||
class wxLineShape: public wxShape
|
||||
{
|
||||
DECLARE_DYNAMIC_CLASS(wxLineShape)
|
||||
|
||||
public:
|
||||
wxLineShape();
|
||||
~wxLineShape();
|
||||
|
||||
// Called when a connected object has moved, to move the link to
|
||||
// correct position
|
||||
// moveControlPoints must be disabled when a control point is being
|
||||
// dragged.
|
||||
void OnMoveLink(wxDC& dc, bool moveControlPoints = TRUE);
|
||||
bool OnMovePre(wxDC& dc, double x, double y, double old_x, double old_y, bool display = TRUE);
|
||||
void OnDraw(wxDC& dc);
|
||||
void OnDrawContents(wxDC& dc);
|
||||
void OnDrawControlPoints(wxDC& dc);
|
||||
void OnEraseControlPoints(wxDC& dc);
|
||||
void OnErase(wxDC& dc);
|
||||
virtual bool OnMoveControlPoint(int WXUNUSED(which), double WXUNUSED(x), double WXUNUSED(y)) { return FALSE; }
|
||||
virtual bool OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt);
|
||||
virtual bool OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display);
|
||||
void OnDrawOutline(wxDC& dc, double x, double y, double w, double h);
|
||||
void GetBoundingBoxMin(double *w, double *h);
|
||||
void FormatText(wxDC& dc, const wxString& s, int regionId = 0);
|
||||
virtual void SetEnds(double x1, double y1, double x2, double y2);
|
||||
virtual void GetEnds(double *x1, double *y1, double *x2, double *y2);
|
||||
inline virtual wxShape *GetFrom() { return m_from; }
|
||||
inline virtual wxShape *GetTo() { return m_to; }
|
||||
inline virtual int GetAttachmentFrom() { return m_attachmentFrom; }
|
||||
inline virtual int GetAttachmentTo() { return m_attachmentTo; }
|
||||
|
||||
virtual void SetFrom(wxShape *object);
|
||||
virtual void SetTo(wxShape *object);
|
||||
virtual void DrawArrows(wxDC& dc);
|
||||
|
||||
// Finds the x, y points at the two ends of the line.
|
||||
// This function can be used by e.g. line-routing routines to
|
||||
// get the actual points on the two node images where the lines will be drawn
|
||||
// to/from.
|
||||
void FindLineEndPoints(double *fromX, double *fromY, double *toX, double *toY);
|
||||
|
||||
// Format one region at this position
|
||||
void DrawRegion(wxDC& dc, wxShapeRegion *region, double x, double y);
|
||||
|
||||
// Erase one region at this position
|
||||
void EraseRegion(wxDC& dc, wxShapeRegion *region, double x, double y);
|
||||
|
||||
// Get the reference point for a label. Region x and y
|
||||
// are offsets from this.
|
||||
// position is 0 (middle), 1 (start), 2 (end)
|
||||
void GetLabelPosition(int position, double *x, double *y);
|
||||
|
||||
// Can override this to create a different class of label shape
|
||||
virtual wxLabelShape* OnCreateLabelShape(wxLineShape *parent = NULL, wxShapeRegion *region = NULL, double w = 0.0, double h = 0.0);
|
||||
|
||||
// Straighten verticals and horizontals
|
||||
virtual void Straighten(wxDC* dc = NULL);
|
||||
|
||||
// Not implemented
|
||||
inline void SetMaintainStraightLines(bool flag) { m_maintainStraightLines = flag; }
|
||||
inline bool GetMaintainStraightLines() const { return m_maintainStraightLines; }
|
||||
|
||||
// Make handle control points
|
||||
void MakeControlPoints();
|
||||
void ResetControlPoints();
|
||||
|
||||
// Make a given number of control points
|
||||
virtual void MakeLineControlPoints(int n);
|
||||
virtual wxNode *InsertLineControlPoint(wxDC* dc);
|
||||
virtual bool DeleteLineControlPoint();
|
||||
virtual void Initialise();
|
||||
inline wxList *GetLineControlPoints() { return m_lineControlPoints; }
|
||||
|
||||
// Override dragging behaviour - don't want to be able to drag lines!
|
||||
void OnDragLeft(bool draw, double x, double y, int keys=0, int attachment = 0);
|
||||
void OnBeginDragLeft(double x, double y, int keys=0, int attachment = 0);
|
||||
void OnEndDragLeft(double x, double y, int keys=0, int attachment = 0);
|
||||
|
||||
// Control points ('handles') redirect control to the actual shape, to make it easier
|
||||
// to override sizing behaviour.
|
||||
virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, double x, double y, int keys=0, int attachment = 0);
|
||||
virtual void OnSizingBeginDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
|
||||
virtual void OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys=0, int attachment = 0);
|
||||
|
||||
// Override select, to create/delete temporary label-moving objects
|
||||
void Select(bool select = TRUE, wxDC* dc = NULL);
|
||||
|
||||
// Set to spline (TRUE) or line (FALSE)
|
||||
inline void SetSpline(bool spl) { m_isSpline = spl; }
|
||||
inline bool IsSpline() const { return m_isSpline; }
|
||||
|
||||
void Unlink();
|
||||
void SetAttachments(int from_attach, int to_attach);
|
||||
inline void SetAttachmentFrom(int attach) { m_attachmentFrom = attach; }
|
||||
inline void SetAttachmentTo(int attach) { m_attachmentTo = attach; }
|
||||
|
||||
bool HitTest(double x, double y, int *attachment, double *distance);
|
||||
|
||||
#ifdef PROLOGIO
|
||||
// I/O
|
||||
virtual void WriteAttributes(wxExpr *clause);
|
||||
virtual void ReadAttributes(wxExpr *clause);
|
||||
#endif
|
||||
|
||||
virtual void FindNth(wxShape *image, int *nth, int *no_arcs, bool incoming);
|
||||
|
||||
// Find which position we're talking about at this (x, y).
|
||||
// Returns ARROW_POSITION_START, ARROW_POSITION_MIDDLE, ARROW_POSITION_END
|
||||
int FindLinePosition(double x, double y);
|
||||
|
||||
// This is really to distinguish between lines and other images.
|
||||
// For lines, want to pass drag to canvas, since lines tend to prevent
|
||||
// dragging on a canvas (they get in the way.)
|
||||
virtual bool Draggable() const { return FALSE; }
|
||||
|
||||
// Does the copying for this object
|
||||
void Copy(wxShape& copy);
|
||||
|
||||
// Add an arrowhead.
|
||||
wxArrowHead *AddArrow(WXTYPE type, int end = ARROW_POSITION_END,
|
||||
double arrowSize = 10.0, double xOffset = 0.0, const wxString& name = "",
|
||||
wxPseudoMetaFile *mf = NULL, long arrowId = -1);
|
||||
|
||||
// Add an arrowhead in the position indicated by the reference
|
||||
// list of arrowheads, which contains all legal arrowheads for this
|
||||
// line, in the correct order.
|
||||
// E.g. reference list: a b c d e
|
||||
// Current line list: a d
|
||||
// Add c, then line list is: a c d
|
||||
// If no legal arrowhead position, return FALSE.
|
||||
// Assume reference list is for one end only, since it potentially defines
|
||||
// the ordering for any one of the 3 positions. So we don't check
|
||||
// the reference list for arrowhead position.
|
||||
bool AddArrowOrdered(wxArrowHead *arrow, wxList& referenceList, int end);
|
||||
|
||||
// Delete arrowhead(s)
|
||||
void ClearArrowsAtPosition(int end = -1);
|
||||
bool ClearArrow(const wxString& name);
|
||||
wxArrowHead *FindArrowHead(int position, const wxString& name);
|
||||
wxArrowHead *FindArrowHead(long arrowId);
|
||||
bool DeleteArrowHead(int position, const wxString& name);
|
||||
bool DeleteArrowHead(long arrowId);
|
||||
void DrawArrow(wxDC& dc, wxArrowHead *arrow, double xOffset, bool proportionalOffset);
|
||||
inline void SetIgnoreOffsets(bool ignore) { m_ignoreArrowOffsets = ignore; }
|
||||
inline wxList& GetArrows() const { return (wxList&) m_arcArrows; }
|
||||
|
||||
// Find horizontal width for drawing a line with
|
||||
// arrows in minimum space. Assume arrows at
|
||||
// END only
|
||||
double FindMinimumWidth();
|
||||
|
||||
// Set alignment flags. ALIGNMENT NOT IMPLEMENTED.
|
||||
void SetAlignmentOrientation(bool isEnd, bool isHoriz);
|
||||
void SetAlignmentType(bool isEnd, int alignType);
|
||||
bool GetAlignmentOrientation(bool isEnd);
|
||||
int GetAlignmentType(bool isEnd);
|
||||
|
||||
// Find next control point in line after the start/end point
|
||||
// (depending on whether the node object is at start or end)
|
||||
wxRealPoint *GetNextControlPoint(wxShape *nodeObject);
|
||||
inline bool IsEnd(wxShape *nodeObject) const { return (m_to == nodeObject); }
|
||||
|
||||
private:
|
||||
bool m_erasing; // flag to say whether we're erasing or drawing
|
||||
// this line (really so metafiles can draw a
|
||||
// blank rectangle)
|
||||
bool m_ignoreArrowOffsets; // Don't always want to draw arrowhead offsets
|
||||
// because they may not work on tool palettes (for example)
|
||||
bool m_isSpline;
|
||||
bool m_maintainStraightLines;
|
||||
|
||||
protected:
|
||||
// Temporary list of line segment orientations
|
||||
// so we know what direction the line is supposed to be dog-legging
|
||||
// in. The values are integer: 0 for vertical, 1 for horizontal.
|
||||
wxList m_lineOrientations;
|
||||
|
||||
// Temporary pointers for start, middle and end label editing objects
|
||||
// (active only when the line is selected)
|
||||
wxLabelShape* m_labelObjects[3];
|
||||
|
||||
// These define the segmented line - not to be confused with temporary control
|
||||
// points which appear when object is selected (although in this case they'll
|
||||
// probably be the same)
|
||||
wxList* m_lineControlPoints;
|
||||
|
||||
double m_arrowSpacing; // Separation between adjacent arrows
|
||||
|
||||
wxShape* m_to;
|
||||
wxShape* m_from;
|
||||
|
||||
int m_attachmentTo; // Attachment point at one end
|
||||
int m_attachmentFrom; // Attachment point at other end
|
||||
|
||||
// Alignment flags
|
||||
int m_alignmentStart;
|
||||
int m_alignmentEnd;
|
||||
|
||||
wxList m_arcArrows;
|
||||
|
||||
};
|
||||
|
||||
#endif
|
||||
// _OGL_LINES_H_
|
||||
Reference in New Issue
Block a user