projects / wxWidgets.git / blame
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|---|---|---|
| 1fc25a89 JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: misc.h | |
| 3 | // Purpose: Miscellaneous utilities for OGL | |
| 4 | // Author: Julian Smart | |
| 5 | // Modified by: | |
| 6 | // Created: 12/07/98 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) Julian Smart | |
| 9 | // Licence: wxWindows licence | |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | #ifndef _OGL_MISC_H_ | |
| 13 | #define _OGL_MISC_H_ | |
| 14 | ||
| 15 | #ifdef __GNUG__ | |
| 16 | #pragma interface "misc.h" | |
| 17 | #endif | |
| 18 | ||
| 19 | // List to use when copying objects; may need to associate elements of new objects | |
| 20 | // with elements of old objects, e.g. when copying constraint.s | |
| 21 | extern wxList oglObjectCopyMapping; | |
| 22 | ||
| 23 | /* | |
| 24 | * TEXT FORMATTING FUNCTIONS | |
| 25 | * | |
| 26 | */ | |
| 27 | ||
| 28 | // Centres the given list of wxShapeTextLine strings in the given box | |
| 29 | // (changing the positions in situ). Doesn't actually draw into the DC. | |
| 30 | void oglCentreText(wxDC& dc, wxList *text, double m_xpos, double m_ypos, | |
| 31 | double width, double height, | |
| 32 | int formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT); | |
| 33 | ||
| 34 | // Given a string, returns a list of strings that fit within the given | |
| 35 | // width of box. Height is ignored. | |
| 36 | wxStringList *oglFormatText(wxDC& dc, const wxString& text, double width, double height, int formatMode = 0); | |
| 37 | ||
| 38 | // Centres the list of wxShapeTextLine strings, doesn't clip. | |
| 39 | // Doesn't actually draw into the DC. | |
| 40 | void oglCentreTextNoClipping(wxDC& dc, wxList *text_list, | |
| 41 | double m_xpos, double m_ypos, double width, double height); | |
| 42 | ||
| 43 | // Gets the maximum width and height of the given list of wxShapeTextLines. | |
| 44 | void oglGetCentredTextExtent(wxDC& dc, wxList *text_list, | |
| 45 | double m_xpos, double m_ypos, double width, double height, | |
| 46 | double *actual_width, double *actual_height); | |
| 47 | ||
| 48 | // Actually draw the preformatted list of wxShapeTextLines. | |
| 49 | void oglDrawFormattedText(wxDC& context, wxList *text_list, | |
| 50 | double m_xpos, double m_ypos, double width, double height, | |
| 51 | int formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT); | |
| 52 | ||
| 53 | // Give it a list of points, finds the centre. | |
| 54 | void oglFindPolylineCentroid(wxList *points, double *x, double *y); | |
| 55 | ||
| 67d54b58 | 56 | void oglCheckLineIntersection(double x1, double y1, double x2, double y2, |
| 1fc25a89 JS |
57 | double x3, double y3, double x4, double y4, |
| 58 | double *ratio1, double *ratio2); | |
| 59 | ||
| 67d54b58 | 60 | void oglFindEndForPolyline(double n, double xvec[], double yvec[], |
| 1fc25a89 JS |
61 | double x1, double y1, double x2, double y2, double *x3, double *y3); |
| 62 | ||
| 63 | ||
| 67d54b58 | 64 | void oglFindEndForBox(double width, double height, |
| 1fc25a89 JS |
65 | double x1, double y1, // Centre of box (possibly) |
| 66 | double x2, double y2, // other end of line | |
| 67 | double *x3, double *y3); // End on box edge | |
| 68 | ||
| 67d54b58 | 69 | void oglFindEndForCircle(double radius, |
| 1fc25a89 JS |
70 | double x1, double y1, // Centre of circle |
| 71 | double x2, double y2, // Other end of line | |
| 72 | double *x3, double *y3); | |
| 73 | ||
| 74 | void oglGetArrowPoints(double x1, double y1, double x2, double y2, | |
| 75 | double length, double width, | |
| 76 | double *tip_x, double *tip_y, | |
| 77 | double *side1_x, double *side1_y, | |
| 78 | double *side2_x, double *side2_y); | |
| 79 | ||
| 80 | /* | |
| 81 | * Given an ellipse and endpoints of a line, returns the point at which | |
| 82 | * the line touches the ellipse in values x4, y4. | |
| 83 | * This function assumes that the centre of the ellipse is at x1, y1, and the | |
| 84 | * ellipse has a width of a1 and a height of b1. It also assumes you are | |
| 85 | * wanting to draw an arc FROM point x2, y2 TOWARDS point x3, y3. | |
| 67d54b58 | 86 | * This function calculates the x,y coordinates of the intersection point of |
| 1fc25a89 JS |
87 | * the arc with the ellipse. |
| 88 | * Author: Ian Harrison | |
| 89 | */ | |
| 90 | ||
| 91 | void oglDrawArcToEllipse(double x1, double y1, double a1, double b1, double x2, double y2, double x3, double y3, | |
| 92 | double *x4, double *y4); | |
| 93 | ||
| 94 | bool oglRoughlyEqual(double val1, double val2, double tol = 0.00001); | |
| 95 | ||
| 96 | extern wxFont* g_oglNormalFont; | |
| 97 | extern wxPen* g_oglBlackPen; | |
| 98 | extern wxPen* g_oglWhiteBackgroundPen; | |
| 99 | extern wxPen* g_oglTransparentPen; | |
| 100 | extern wxBrush* g_oglWhiteBackgroundBrush; | |
| 101 | extern wxPen* g_oglBlackForegroundPen; | |
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102 | |
| 103 | extern wxFont* oglMatchFont(int point_size); | |
| 104 | ||
| 105 | extern wxString oglColourToHex(const wxColour& colour); | |
| 106 | extern wxColour oglHexToColour(const wxString& hex); | |
| 107 | extern void oglDecToHex(unsigned int dec, char *buf); | |
| 108 | extern unsigned int oglHexToDec(char* buf); | |
| 109 | ||
| 110 | ||
| 111 | #endif | |
| 112 | // _OGL_MISC_H_ |