mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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113 lines
2.6 KiB
Python
Executable file
113 lines
2.6 KiB
Python
Executable file
#!/usr/bin/python
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import sys
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import cairo
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import pygtk
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pygtk.require('2.0')
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import gtk
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import gtk.gdk
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import pango
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import gobject
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class CairoView(gtk.Window):
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def __init__(self, family="", slant=0, weight=0, size=18, text="The Quick Brown Fox Jumps Over The Lazy Dog!"):
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gtk.Widget.__init__ (self)
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self.family = family
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if slant == "italic":
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self.slant = cairo.FONT_SLANT_ITALIC
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elif slant == "oblique":
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self.slant = cairo.FONT_SLANT_OBLIQUE
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else:
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self.slant = cairo.FONT_SLANT_NORMAL
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if weight == "bold":
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self.weight = cairo.FONT_WEIGHT_BOLD
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else:
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self.weight = cairo.FONT_WEIGHT_NORMAL
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self.size = float (size)
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self.text = text
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def do_realize(self):
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self.set_flags(self.flags() | gtk.REALIZED)
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self.window = gtk.gdk.Window(
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self.get_parent_window(),
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width=self.allocation.width,
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height=self.allocation.height,
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window_type=gtk.gdk.WINDOW_CHILD,
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wclass=gtk.gdk.INPUT_OUTPUT,
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event_mask=self.get_events() | gtk.gdk.EXPOSURE_MASK)
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self.window.set_user_data(self)
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self.style.attach(self.window)
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self.style.set_background(self.window, gtk.STATE_NORMAL)
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self.width, self.height = self.draw ()
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self.window.move_resize(0, 0, self.width, self.height)
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def do_unrealize(self):
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self.window.destroy()
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def do_expose_event(self, event):
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self.draw (event)
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return False
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def draw(self, event = None):
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cr = self.window.cairo_create()
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if event:
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cr.rectangle(event.area.x, event.area.y,
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event.area.width, event.area.height)
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cr.clip()
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cr.set_source_rgb (1, 1, 1)
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cr.paint ()
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cr.select_font_face (self.family, self.slant, self.weight)
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cr.set_font_size (self.size)
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PAD = 30
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extents = cr.text_extents (self.text)
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cr.translate (PAD-extents[0], PAD-extents[1])
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font_extents = cr.font_extents ()
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cr.rectangle (0, -font_extents[0], extents[4], font_extents[2])
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cr.move_to (-PAD, 0)
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cr.line_to (extents[2]+PAD, 0)
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cr.set_source_rgba (1, 0, 0, .7)
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cr.stroke ()
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cr.rectangle (*extents[:4])
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cr.set_source_rgba (0, 1, 0, .7)
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cr.stroke ()
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cr.move_to (0, 0)
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cr.set_source_rgb (0, 0, 0)
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cr.show_text (self.text)
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return int (extents[2]) + 2 * PAD, int (extents[3]) + 2 * PAD
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def run(self):
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self.props.allow_shrink = True
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self.connect("destroy", gtk.main_quit)
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self.show()
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gtk.main()
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gobject.type_register(CairoView)
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def main(args):
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if len (args) == 1:
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print "usage: cairo-view family [slant [weight [size [text]]]]"
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sys.exit (1)
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cv= CairoView (*args[1:])
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cv.run()
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if __name__ == "__main__":
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main(sys.argv)
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