def cairo_paint_from_source(self, set_source_fn, source, x, y, w, h,
options):
""" must be called from UI thread """
log(
"cairo_paint_surface(%s, %s, %s, %s, %s, %s, %s) backing=%s, paint box line width=%i",
set_source_fn, source, x, y, w, h, options, self._backing,
self.paint_box_line_width)
gc = gdk_cairo_context(cairo.Context(self._backing))
if self.paint_box_line_width:
gc.save()
gc.rectangle(x, y, w, h)
gc.clip()
gc.set_operator(cairo.OPERATOR_CLEAR)
gc.rectangle(x, y, w, h)
gc.fill()
gc.set_operator(cairo.OPERATOR_SOURCE)
gc.translate(x, y)
gc.rectangle(0, 0, w, h)
set_source_fn(gc, source, 0, 0)
gc.paint()
if self.paint_box_line_width and options:
gc.restore()
encoding = options.get("encoding")
if encoding:
color = get_paint_box_color(encoding)
gc.set_line_width(self.paint_box_line_width)
gc.set_source_rgba(*color)
gc.rectangle(x, y, w, h)
gc.stroke()
def cairo_paint_pixbuf(self, pixbuf, x, y):
""" must be called from UI thread """
log("cairo_paint_pixbuf(%s, %s, %s) backing=%s", pixbuf, x, y, self._backing)
#now use it to paint:
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_SOURCE)
cairo_set_source_pixbuf(gc, pixbuf, x, y)
gc.paint()
def cairo_paint_pixbuf(self, pixbuf, x, y):
""" must be called from UI thread """
log("cairo_paint_pixbuf(%s, %s, %s) backing=%s", pixbuf, x, y, self._backing)
#now use it to paint:
gc = gdk_cairo_context(cairo.Context(self._backing))
cairo_set_source_pixbuf(gc, pixbuf, x, y)
gc.paint()
return True
def cairo_paint_pixbuf(self, pixbuf, x, y):
""" must be called from UI thread """
log("cairo_paint_pixbuf(%s, %s, %s) backing=%s", pixbuf, x, y,
self._backing)
#now use it to paint:
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_SOURCE)
cairo_set_source_pixbuf(gc, pixbuf, x, y)
gc.paint()
def cairo_paint_pixbuf(self, pixbuf, x, y):
""" must be called from UI thread """
log("cairo_paint_pixbuf(%s, %s, %s) backing=%s", pixbuf, x, y,
self._backing)
#now use it to paint:
gc = gdk_cairo_context(cairo.Context(self._backing))
cairo_set_source_pixbuf(gc, pixbuf, x, y)
gc.paint()
return True
def cairo_paint_surface(self, img_surface, x, y):
""" must be called from UI thread """
log("cairo_paint_surface(%s, %s, %s)", img_surface, x, y)
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_CLEAR)
gc.rectangle(x, y, img_surface.get_width(), img_surface.get_height())
gc.fill()
gc.set_operator(cairo.OPERATOR_SOURCE)
gc.set_source_surface(img_surface, x, y)
gc.paint()
return True
def cairo_paint_surface(self, img_surface, x, y):
""" must be called from UI thread """
log("cairo_paint_surface(%s, %s, %s)", img_surface, x, y)
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_CLEAR)
gc.rectangle(x, y, img_surface.get_width(), img_surface.get_height())
gc.fill()
gc.set_operator(cairo.OPERATOR_OVER)
gc.set_source_surface(img_surface, x, y)
gc.paint()
return True
def do_paint_scroll(self, scrolls, callbacks):
old_backing = self._backing
w, h = self.size
ww, wh = self.render_size
self.init(ww, wh, w, h)
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_SOURCE)
for sx, sy, sw, sh, xdelta, ydelta in scrolls:
gc.set_source_surface(old_backing, xdelta, ydelta)
gc.rectangle(sx + xdelta, sy + ydelta, sw, sh)
gc.fill()
fire_paint_callbacks(callbacks)
def cairo_paint_surface(self, img_surface, x, y):
""" must be called from UI thread """
log("cairo_paint_surface(%s, %s, %s)", img_surface, x, y)
log("source image surface: %s", (
img_surface.get_format(),
img_surface.get_width(),
img_surface.get_height(),
img_surface.get_stride(),
img_surface.get_content(),
))
gc = gdk_cairo_context(cairo.Context(self._backing))
gc.set_operator(cairo.OPERATOR_CLEAR)
gc.rectangle(x, y, img_surface.get_width(), img_surface.get_height())
gc.fill()
gc.set_operator(cairo.OPERATOR_SOURCE)
gc.set_source_surface(img_surface, x, y)
gc.paint()
