demos/py_simple/font_style.py

   1 #!/usr/bin/env python
   2
   3 import sys
   4
   5 import gfxprim.core as core
   6 import gfxprim.gfx as gfx
   7 import gfxprim.backends as backends
   8 import gfxprim.input as input
   9 import gfxprim.text as text
  10
  11 def redraw(win):
  12     c = win.context
  13
  14     black = c.RGBToPixel(0, 0, 0)
  15     white = c.RGBToPixel(0xff, 0xff, 0xff)
  16
  17     c.gfx.Fill(black)
  18
  19     align = text.C.ALIGN_CENTER | text.C.VALIGN_CENTER
  20     style = text.TextStyle(text.DefaultProportionalFont, 0, 0, 1, 1, 1)
  21
  22     spacing = 20
  23     y = 20
  24
  25     while y < c.h:
  26         y += text.TextHeight(style) + spacing
  27         c.text.Text(style, c.w//2, y, align, white, black, "Lorem Ipsum Dolor Sit Amet.")
  28
  29         style.pixel_xspace += 1
  30         style.pixel_yspace += 1
  31         style.pixel_xmul += 1
  32         style.pixel_ymul += 1
  33
  34     win.Flip()
  35
  36
  37 def main():
  38     # Create X11 window
  39     win = backends.BackendX11Init(None, 0, 0, 800, 600, "Fonts", 0)
  40     assert(win)
  41
  42     redraw(win)
  43
  44     # Event loop
  45     while True:
  46         ev = win.WaitEvent()
  47
  48         if (ev.type == input.EV_KEY and ev.val.val == input.KEY_ESC):
  49            sys.exit(0)
  50         elif (ev.type == input.EV_SYS):
  51            if (ev.code == input.EV_SYS_QUIT):
  52                sys.exit(0)
  53            if (ev.code == input.EV_SYS_RESIZE):
  54                win.ResizeAck()
  55                redraw(win)
  56
  57 if __name__ == '__main__':
  58     main()