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