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/brlcad/tags/rel-5-0/libtk/xlib/xdraw.c

https://bitbucket.org/vrrm/brl-cad-copy-for-fast-history-browsing-in-git
C | 82 lines | 34 code | 4 blank | 44 comment | 0 complexity | b898f01313df68c65d213b8f93800556 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, LGPL-2.1, Apache-2.0, AGPL-3.0, LGPL-3.0, GPL-3.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, 0BSD, BSD-3-Clause 
    

  1. /* 
    2. 

  2.  * xdraw.c --
    3. 

  3.  *
    4. 

  4.  *	This file contains generic procedures related to X drawing
    5. 

  5.  *	primitives.
    6. 

  6.  *
    7. 

  7.  * Copyright (c) 1995 Sun Microsystems, Inc.
    8. 

  8.  *
    9. 

  9.  * See the file "license.terms" for information on usage and redistribution
    10. 

  10.  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
    11. 

  11.  *
    12. 

  12.  * SCCS: @(#) xdraw.c 1.2 96/02/15 18:55:46
    13. 

  13.  */
    14. 

  14. 

  15. #include "tk.h"
    16. 

  16. 
    17. 

  17. /*
    18. 

  18.  *----------------------------------------------------------------------
    19. 

  19.  *
    20. 

  20.  * XDrawLine --
    21. 

  21.  *
    22. 

  22.  *	Draw a single line between two points in a given drawable. 
    23. 

  23.  *
    24. 

  24.  * Results:
    25. 

  25.  *	None.
    26. 

  26.  *
    27. 

  27.  * Side effects:
    28. 

  28.  *	Draws a single line segment.
    29. 

  29.  *
    30. 

  30.  *----------------------------------------------------------------------
    31. 

  31.  */
    32. 

  32. 

  33. void
    34. 

  34. XDrawLine(display, d, gc, x1, y1, x2, y2)
    35. 

  35.     Display* display;
    36. 

  36.     Drawable d;
    37. 

  37.     GC gc;
    38. 

  38.     int x1, y1, x2, y2;		/* Coordinates of line segment. */
    39. 

  39. {
    40. 

  40.     XPoint points[2];
    41. 

  41. 

  42.     points[0].x = x1;
    43. 

  43.     points[0].y = y1;
    44. 

  44.     points[1].x = x2;
    45. 

  45.     points[1].y = y2;
    46. 

  46.     XDrawLines(display, d, gc, points, 2, CoordModeOrigin);
    47. 

  47. }
    48. 

  48. 
    49. 

  49. /*
    50. 

  50.  *----------------------------------------------------------------------
    51. 

  51.  *
    52. 

  52.  * XFillRectangle --
    53. 

  53.  *
    54. 

  54.  *	Fills a rectangular area in the given drawable.  This procedure
    55. 

  55.  *	is implemented as a call to XFillRectangles.
    56. 

  56.  *
    57. 

  57.  * Results:
    58. 

  58.  *	None
    59. 

  59.  *
    60. 

  60.  * Side effects:
    61. 

  61.  *	Fills the specified rectangle.
    62. 

  62.  *
    63. 

  63.  *----------------------------------------------------------------------
    64. 

  64.  */
    65. 

  65. 

  66. void
    67. 

  67. XFillRectangle(display, d, gc, x, y, width, height)
    68. 

  68.     Display* display;
    69. 

  69.     Drawable d;
    70. 

  70.     GC gc;
    71. 

  71.     int x;
    72. 

  72.     int y;
    73. 

  73.     unsigned int width;
    74. 

  74.     unsigned int height;
    75. 

  75. {
    76. 

  76.     XRectangle rectangle;
    77. 

  77.     rectangle.x = x;
    78. 

  78.     rectangle.y = y;
    79. 

  79.     rectangle.width = width;
    80. 

  80.     rectangle.height = height;
    81. 

  81.     XFillRectangles(display, d, gc, &rectangle, 1);
    82. 

  82. }
    83. 

  83.