projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 0fc1a713 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 wxObjectCopyMapping; | |
| 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 CentreText(wxDC& dc, wxList *text, float m_xpos, float m_ypos, | |
| 31 | float width, float 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 | wxList *FormatText(wxDC& dc, const wxString& text, float width, float 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 CentreTextNoClipping(wxDC& dc, wxList *text_list, | |
| 41 | float m_xpos, float m_ypos, float width, float height); | |
| 42 | ||
| 43 | // Gets the maximum width and height of the given list of wxShapeTextLines. | |
| 44 | void GetCentredTextExtent(wxDC& dc, wxList *text_list, | |
| 45 | float m_xpos, float m_ypos, float width, float height, | |
| 46 | float *actual_width, float *actual_height); | |
| 47 | ||
| 48 | // Actually draw the preformatted list of wxShapeTextLines. | |
| 49 | void DrawFormattedText(wxDC& context, wxList *text_list, | |
| 50 | float m_xpos, float m_ypos, float width, float height, | |
| 51 | int formatMode = FORMAT_CENTRE_HORIZ | FORMAT_CENTRE_VERT); | |
| 52 | ||
| 53 | // Give it a list of points, finds the centre. | |
| 54 | void find_polyline_centroid(wxList *points, float *x, float *y); | |
| 55 | ||
| 56 | void check_line_intersection(float x1, float y1, float x2, float y2, | |
| 57 | float x3, float y3, float x4, float y4, | |
| 58 | float *ratio1, float *ratio2); | |
| 59 | ||
| 60 | void find_end_for_polyline(float n, float xvec[], float yvec[], | |
| 61 | float x1, float y1, float x2, float y2, float *x3, float *y3); | |
| 62 | ||
| 63 | ||
| 64 | void find_end_for_box(float width, float height, | |
| 65 | float x1, float y1, // Centre of box (possibly) | |
| 66 | float x2, float y2, // other end of line | |
| 67 | float *x3, float *y3); // End on box edge | |
| 68 | ||
| 69 | void find_end_for_circle(float radius, | |
| 70 | float x1, float y1, // Centre of circle | |
| 71 | float x2, float y2, // Other end of line | |
| 72 | float *x3, float *y3); | |
| 73 | ||
| 74 | void get_arrow_points(float x1, float y1, float x2, float y2, | |
| 75 | float length, float width, | |
| 76 | float *tip_x, float *tip_y, | |
| 77 | float *side1_x, float *side1_y, | |
| 78 | float *side2_x, float *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. | |
| 86 | * This function calculates the x,y coordinates of the intersection point of | |
| 87 | * the arc with the ellipse. | |
| 88 | * Author: Ian Harrison | |
| 89 | */ | |
| 90 | ||
| 91 | void draw_arc_to_ellipse(float x1, float y1, float a1, float b1, float x2, float y2, float x3, float y3, | |
| 92 | float *x4, float *y4); | |
| 93 | ||
| 94 | extern wxFont *g_oglNormalFont; | |
| 95 | extern wxPen *black_pen; | |
| 96 | ||
| 97 | extern wxPen *white_background_pen; | |
| 98 | extern wxPen *transparent_pen; | |
| 99 | extern wxBrush *white_background_brush; | |
| 100 | extern wxPen *black_foreground_pen; | |
| 101 | ||
| 102 | extern wxCursor *GraphicsBullseyeCursor; | |
| 103 | ||
| 104 | extern wxFont *MatchFont(int point_size); | |
| 105 | ||
| 106 | #endif | |
| 107 | // _OGL_MISC_H_ |