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