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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Portions Copyright (C) 1998 - 2011, Julian Smart
// Portions Copyright (C) 2011 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// misc.h - Miscellaneous utilities for OGL
//
//////////////////////////////////////////////////////////////////////////
#ifndef _OGL_MISC_H_
#define _OGL_MISC_H_
// List to use when copying objects; may need to associate elements of new objects
// with elements of old objects, e.g. when copying constraint.s
extern wxList oglObjectCopyMapping;
/*
* TEXT FORMATTING FUNCTIONS
*
*/
// Centres the given list of wxShapeTextLine strings in the given box
// (changing the positions in situ). Doesn't actually draw into the DC.
void oglCentreText(wxDC &dc, wxList *text, double m_xpos, double m_ypos,
double width, double height,
int formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT);
// Given a string, returns a list of strings that fit within the given
// width of box. Height is ignored.
wxArrayString *oglFormatText(wxDC &dc, const wxString &text, double width, double height, int formatMode = 0);
// Centres the list of wxShapeTextLine strings, doesn't clip.
// Doesn't actually draw into the DC.
void oglCentreTextNoClipping(wxDC &dc, wxList *text_list,
double m_xpos, double m_ypos, double width, double height);
// Gets the maximum width and height of the given list of wxShapeTextLines.
void oglGetCentredTextExtent(wxDC &dc, wxList *text_list,
double m_xpos, double m_ypos, double width, double height,
double *actual_width, double *actual_height);
// Actually draw the preformatted list of wxShapeTextLines.
void oglDrawFormattedText(wxDC &context, wxList *text_list,
double m_xpos, double m_ypos, double width, double height,
int formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT);
// Give it a list of points, finds the centre.
void oglFindPolylineCentroid(wxList *points, double *x, double *y);
void oglCheckLineIntersection(double x1, double y1, double x2, double y2,
double x3, double y3, double x4, double y4,
double *ratio1, double *ratio2);
void oglFindEndForPolyline(double n, double xvec[], double yvec[],
double x1, double y1, double x2, double y2, double *x3, double *y3);
void oglFindEndForBox(double width, double height,
double x1, double y1, // Centre of box (possibly)
double x2, double y2, // other end of line
double *x3, double *y3); // End on box edge
void oglFindEndForCircle(double radius,
double x1, double y1, // Centre of circle
double x2, double y2, // Other end of line
double *x3, double *y3);
void oglGetArrowPoints(double x1, double y1, double x2, double y2,
double length, double width,
double *tip_x, double *tip_y,
double *side1_x, double *side1_y,
double *side2_x, double *side2_y);
/*
* Given an ellipse and endpoints of a line, returns the point at which
* the line touches the ellipse in values x4, y4.
* This function assumes that the centre of the ellipse is at x1, y1, and the
* ellipse has a width of a1 and a height of b1. It also assumes you are
* wanting to draw an arc FROM point x2, y2 TOWARDS point x3, y3.
* This function calculates the x,y coordinates of the intersection point of
* the arc with the ellipse.
* Author: Ian Harrison
*/
void oglDrawArcToEllipse(double x1, double y1, double a1, double b1, double x2, double y2, double x3, double y3,
double *x4, double *y4);
bool oglRoughlyEqual(double val1, double val2, double tol = 0.00001);
extern wxFont *g_oglNormalFont;
extern wxPen *g_oglBlackPen;
extern wxPen *g_oglWhiteBackgroundPen;
extern wxPen *g_oglTransparentPen;
extern wxBrush *g_oglWhiteBackgroundBrush;
extern wxPen *g_oglBlackForegroundPen;
extern wxFont *oglMatchFont(int point_size);
extern wxString oglColourToHex(const wxColour &colour);
extern wxColour oglHexToColour(const wxString &hex);
extern void oglDecToHex(unsigned int dec, char *buf);
extern unsigned int oglHexToDec(char *buf);
#endif
// _OGL_MISC_H_
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