def __init__(self, res):
gtk.DrawingArea.__init__(self)
self.res = res
self.set_flags(gtk.CAN_FOCUS)
self.add_events(gtk.gdk.BUTTON_PRESS_MASK | gtk.gdk.BUTTON_RELEASE_MASK)
self.connect("button-press-event", self.on_area_button_press)
self.connect("button-release-event", self.on_area_button_release)
self.add_events(gtk.gdk.POINTER_MOTION_MASK | gtk.gdk.POINTER_MOTION_HINT_MASK | gtk.gdk.BUTTON_RELEASE_MASK)
self.connect("motion-notify-event", self.on_area_motion_notify)
self.connect("scroll-event", self.on_area_scroll_event)
self.connect('key-press-event', self.on_key_press_event)
self.connect('set-scroll-adjustments', self.on_set_scroll_adjustments)
self.connect("size-allocate", self.on_allocation_size_changed)
self.connect("position-changed", self.on_position_changed)
self.zoom_ratio = 1.0
self.x, self.y = 0.0, 0.0
self.chart_width, self.chart_height = draw.extents(res)
self.hadj = None
self.vadj = None
def render(writer, res, options, filename):
handlers = {
"png": (lambda w, h: cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h), \
lambda sfc: sfc.write_to_png(filename)),
"pdf": (lambda w, h: cairo.PDFSurface(filename, w, h), lambda sfc: 0),
"svg": (lambda w, h: cairo.SVGSurface(filename, w, h), lambda sfc: 0)
}
if options.format is None:
fmt = filename.rsplit('.', 1)[1]
else:
fmt = options.format
if not (fmt in handlers):
writer.error ("Unknown format '%s'." % fmt)
return 10
make_surface, write_surface = handlers[fmt]
(w, h) = draw.extents (1.0, *res)
w = max (w, draw.MIN_IMG_W)
surface = make_surface (w, h)
ctx = cairo.Context (surface)
draw.render (ctx, options, 1.0, *res)
write_surface (surface)
writer.status ("bootchart written to '%s'" % filename)
def render(writer, trace, app_options, filename):
handlers = {
"png": (lambda w, h: cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h), \
lambda sfc: sfc.write_to_png(filename)),
"pdf": (lambda w, h: cairo.PDFSurface(filename, w, h), lambda sfc: 0),
"svg": (lambda w, h: cairo.SVGSurface(filename, w, h), lambda sfc: 0)
}
if app_options.format is None:
fmt = filename.rsplit('.', 1)[1]
else:
fmt = app_options.format
if not (fmt in handlers):
writer.error("Unknown format '%s'." % fmt)
return 10
make_surface, write_surface = handlers[fmt]
options = RenderOptions(app_options)
(w, h) = draw.extents(options, 1.0, trace)
w = max(w, draw.MIN_IMG_W)
surface = make_surface(w, h)
ctx = cairo.Context(surface)
draw.render(ctx, options, 1.0, trace)
write_surface(surface)
writer.status("bootchart written to '%s'" % filename)
def render(res, format, filename):
handlers = {
"png": (lambda w,h: cairo.ImageSurface(cairo.FORMAT_ARGB32,w,h), lambda sfc: sfc.write_to_png(filename)),
"pdf": (lambda w,h: cairo.PDFSurface(filename, w, h), lambda sfc: 0),
"svg": (lambda w,h: cairo.SVGSurface(filename, w, h), lambda sfc: 0)
}
if not(handlers.has_key(format)):
print "Unknown format '%s'." % format
return 10
make_surface, write_surface = handlers[format]
w,h = draw.extents(res)
w = max(w, draw.MIN_IMG_W)
surface = make_surface(w,h)
ctx = cairo.Context(surface)
draw.render(ctx, res)
write_surface(surface)
def render(res, format, filename):
handlers = {
"png": (lambda w, h: cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h),
lambda sfc: sfc.write_to_png(filename)),
"pdf": (lambda w, h: cairo.PDFSurface(filename, w, h), lambda sfc: 0),
"svg": (lambda w, h: cairo.SVGSurface(filename, w, h), lambda sfc: 0)
}
if not (handlers.has_key(format)):
print "Unknown format '%s'." % format
return 10
make_surface, write_surface = handlers[format]
w, h = draw.extents(res)
w = max(w, draw.MIN_IMG_W)
surface = make_surface(w, h)
ctx = cairo.Context(surface)
draw.render(ctx, res)
write_surface(surface)
def set_xscale(self, xscale): old_mid_x = self.x + self.hadj.page_size / 2 self.xscale = xscale self.chart_width, self.chart_height = draw.extents(self.options, self.xscale, self.trace) new_x = old_mid_x self.zoom_image (self.zoom_ratio)
