draw.c 3.2 KB

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  1. /*
  2. * draw.c
  3. * Copyright © 2008, 2009 Martin Duquesnoy <xorg62@gmail.com>
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions are
  8. * met:
  9. *
  10. * * Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * * Redistributions in binary form must reproduce the above
  13. * copyright notice, this list of conditions and the following disclaimer
  14. * in the documentation and/or other materials provided with the
  15. * distribution.
  16. * * Neither the name of the nor the names of its
  17. * contributors may be used to endorse or promote products derived from
  18. * this software without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31. */
  32. #include "wmfs.h"
  33. /** Draw a string in a Drawable
  34. * \param d Drawable
  35. * \param x X position
  36. * \param y Y position
  37. * \param fg Foreground text color
  38. * \param pad Text padding
  39. * \param str String that will be draw
  40. */
  41. void
  42. draw_text(Drawable d, int x, int y, char* fg, int pad, char *str)
  43. {
  44. XftColor xftcolor;
  45. XftDraw *xftd;
  46. /* Transform X Drawable -> Xft Drawable */
  47. xftd = XftDrawCreate(dpy, d, DefaultVisual(dpy, SCREEN), DefaultColormap(dpy, SCREEN));
  48. /* Alloc text color */
  49. XftColorAllocName(dpy, DefaultVisual(dpy, SCREEN),
  50. DefaultColormap(dpy, SCREEN), fg, &xftcolor);
  51. XftDrawStringUtf8(xftd, &xftcolor, font, x, y, (FcChar8 *)str, strlen(str));
  52. /* Free the text color and XftDraw */
  53. XftColorFree(dpy, DefaultVisual(dpy, SCREEN), DefaultColormap(dpy, SCREEN), &xftcolor);
  54. XftDrawDestroy(xftd);
  55. return;
  56. }
  57. /** Draw a Rectangle in a drawable
  58. * \param dr Drawable
  59. * \param x X position
  60. * \param y Y position
  61. * \param w Width
  62. * \param h Height
  63. * \param color Color of the rectangle
  64. */
  65. void
  66. draw_rectangle(Drawable dr, int x, int y, uint w, uint h, uint color)
  67. {
  68. XRectangle r = { x, y, w, h };
  69. XSetForeground(dpy, gc, color);
  70. XFillRectangles(dpy, dr, gc, &r, 1);
  71. return;
  72. }
  73. /** Calculates the text's size relatively to the font
  74. * \param text Text string
  75. * \return final text width
  76. */
  77. ushort
  78. textw(const char *text)
  79. {
  80. XGlyphInfo gl;
  81. if(!text)
  82. return 0;
  83. XftTextExtentsUtf8(dpy, font, (FcChar8 *)text, strlen(text), &gl);
  84. return gl.width + font->descent;
  85. }