mirror of https://github.com/python/cpython.git
136 lines
3.2 KiB
Python
136 lines
3.2 KiB
Python
# Define drawing operations for GL stdwin
|
|
|
|
import gl
|
|
import fm
|
|
from GL import LO_XOR, LO_SRC
|
|
from glstdwin import MASK
|
|
|
|
class DrawingObject:
|
|
#
|
|
def _init(self, win):
|
|
self.fg = win._fg
|
|
self.bg = win._bg
|
|
self.font = win._font
|
|
self.size = win._size
|
|
self.width, self.height = win._area[1]
|
|
gl.winset(win._gid)
|
|
gl.color(self.fg)
|
|
return self
|
|
#
|
|
def setfont(self, fontname):
|
|
self.font = fm.findfont(fontname).scalefont(self.size)
|
|
#
|
|
def setsize(self, size):
|
|
ratio = float(size) / float(self.size)
|
|
self.size = size
|
|
self.font = self.font.scalefont(ratio)
|
|
#
|
|
def setfgcolor(self, color):
|
|
self.fg = color
|
|
gl.color(self.fg)
|
|
#
|
|
def setbgcolor(self, color):
|
|
self.bg = color
|
|
#
|
|
def cliprect(self, area):
|
|
#print 'cliprect', area
|
|
(left, top), (right, bottom) = area
|
|
gl.scrmask(left, right, self.height-bottom, self.height-top)
|
|
#
|
|
def noclip(self):
|
|
#print 'noclip()'
|
|
gl.scrmask(0, self.width, 0, self.height)
|
|
#
|
|
def paint(self, ((left, top), (right, bottom))):
|
|
gl.rectf(left, top, right, bottom)
|
|
#
|
|
def box(self, ((left, top), (right, bottom))):
|
|
#print 'box', ((left, top), (right, bottom))
|
|
gl.rect(left, top, right, bottom)
|
|
#
|
|
def circle(self, (h, v), radius):
|
|
gl.circ(h, v, radius)
|
|
#
|
|
def elarc(self, center, (rh, rv), (a1, a2)):
|
|
pass # XXX
|
|
#
|
|
def erase(self, ((left, top), (right, bottom))):
|
|
#print 'erase', ((left, top), (right, bottom))
|
|
gl.color(self.bg)
|
|
gl.rectf(left, top, right, bottom)
|
|
gl.color(self.fg)
|
|
#
|
|
def invert(self, ((left, top), (right, bottom))):
|
|
#print 'invert', ((h0, v0), (h1, v1))
|
|
gl.logicop(LO_XOR)
|
|
gl.color(self.bg)
|
|
gl.rectf(left, top, right, bottom)
|
|
gl.color(self.fg)
|
|
gl.logicop(LO_SRC)
|
|
#
|
|
def line(self, (h0, v0), (h1, v1)):
|
|
#print 'line', ((h0, v0), (h1, v1))
|
|
gl.bgnline()
|
|
gl.v2i(h0, v0)
|
|
gl.v2i(h1, v1)
|
|
gl.endline()
|
|
#
|
|
def xorline(self, (h0, v0), (h1, v1)):
|
|
#print 'xorline', ((h0, v0), (h1, v1))
|
|
gl.logicop(LO_XOR)
|
|
gl.color(self.bg)
|
|
gl.bgnline()
|
|
gl.v2i(h0, v0)
|
|
gl.v2i(h1, v1)
|
|
gl.endline()
|
|
gl.color(self.fg)
|
|
gl.logicop(LO_SRC)
|
|
#
|
|
def point(self, (h, v)):
|
|
#print 'point', (h, v)
|
|
gl.bgnpoint()
|
|
gl.v2i(h, v)
|
|
gl.endpoint()
|
|
#
|
|
def text(self, (h, v), string):
|
|
#print 'text', ((h, v), string)
|
|
if h < 0:
|
|
# If the point is outside the window
|
|
# the whole string isn't drawn.
|
|
# Skip the beginning of the string.
|
|
# XXX What if the font is bigger than 20 pixels?
|
|
i, n = 0, len(string)
|
|
while h < -MASK and i < n:
|
|
h = h + self.font.getstrwidth(string[i])
|
|
i = i + 1
|
|
string = string[i:]
|
|
gl.cmov2(h, v + self.baseline())
|
|
self.font.setfont()
|
|
fm.prstr(string)
|
|
#
|
|
def shade(self, (h, v), percent):
|
|
pass # XXX
|
|
#
|
|
def baseline(self):
|
|
(printermatched, fixed_width, xorig, yorig, xsize, ysize, \
|
|
height, nglyphs) = self.font.getfontinfo()
|
|
return height - yorig
|
|
#
|
|
def lineheight(self):
|
|
(printermatched, fixed_width, xorig, yorig, xsize, ysize, \
|
|
height, nglyphs) = self.font.getfontinfo()
|
|
return height
|
|
#
|
|
def textbreak(self, string, width):
|
|
# XXX Slooooow!
|
|
n = len(string)
|
|
nwidth = self.textwidth(string[:n])
|
|
while nwidth > width:
|
|
n = n-1
|
|
nwidth = self.textwidth(string[:n])
|
|
return n
|
|
#
|
|
def textwidth(self, string):
|
|
return self.font.getstrwidth(string)
|
|
#
|