def digAHole(self, svgShape, width, height):
# FIXME
# For Python 2.x pycairo does not support/implement cairo.Region()
# https://bugs.launchpad.net/ubuntu/+source/pygobject/+bug/1028115/comments/8
return
# Create a bitmap and clear it
mask = cairo.ImageSurface(cairo.FORMAT_A1, width, height)
mcontext = cairo.Context(mask)
mcontext.set_source_rgb(0, 0, 0)
mcontext.set_operator(cairo.OPERATOR_DEST_OUT)
mcontext.paint()
# Paint our shape
surface = self.getSurfaceFromSvg(svgShape, width, height)
mcontext.set_operator(cairo.OPERATOR_OVER)
mcontext.set_source_surface(surface, 0, 0)
mcontext.paint()
# Apply it only if aren't composited, in which case we only need input
# masking
try:
mregion = Gdk.cairo_region_create_from_surface(mask)
except TypeError:
return
if self.is_composited():
self.get_window().input_shape_combine_region(mregion, 0, 0)
else:
self.get_window().shape_combine_region(mregion, 0, 0)
def digAHole (self, svgShape, width, height):
# FIXME
# For Python 2.x pycairo does not support/implement cairo.Region()
# https://bugs.launchpad.net/ubuntu/+source/pygobject/+bug/1028115/comments/8
return
# Create a bitmap and clear it
mask = cairo.ImageSurface(cairo.FORMAT_A1, width, height)
mcontext = cairo.Context(mask)
mcontext.set_source_rgb(0, 0, 0)
mcontext.set_operator(cairo.OPERATOR_DEST_OUT)
mcontext.paint()
# Paint our shape
surface = self.getSurfaceFromSvg(svgShape, width, height)
mcontext.set_operator(cairo.OPERATOR_OVER)
mcontext.set_source_surface(surface, 0, 0)
mcontext.paint()
# Apply it only if aren't composited, in which case we only need input
# masking
try:
mregion = Gdk.cairo_region_create_from_surface(mask)
except TypeError:
return
if self.is_composited():
self.get_window().input_shape_combine_region(mregion, 0, 0)
else:
self.get_window().shape_combine_region(mregion, 0, 0)
def redraw(self):
"""
Request a redraw.
If we're using XShape (optionally or forcibly) then render the image into the shape
so that we only cut out clear sections
"""
self.needsredraw = False
gdkwin = self.get_window()
if self.piggyback_parent:
self.piggyback_parent.redraw()
return
if not self.floating:
(width, height) = self.get_size()
self.width = width
self.height = height
if gdkwin:
if not self.compositing or self.force_xshape:
(width, height) = self.get_size()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width,
height)
surface_ctx = cairo.Context(surface)
self.overlay_draw(None, surface_ctx)
reg = Gdk.cairo_region_create_from_surface(surface)
gdkwin.shape_combine_region(reg, 0, 0)
else:
gdkwin.shape_combine_region(None, 0, 0)
self.queue_draw()
def test_region_to_py(self):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 10, 10)
context = cairo.Context(surface)
context.paint()
region = Gdk.cairo_region_create_from_surface(surface)
r = region.get_extents()
self.assertEqual((r.height, r.width), (10, 10))
def test_region_to_py(self):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 10, 10)
context = cairo.Context(surface)
context.paint()
region = Gdk.cairo_region_create_from_surface(surface)
r = region.get_extents()
self.assertEqual((r.height, r.width), (10, 10))
def set_untouchable(self):
(w, h) = self.get_size()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
surface_ctx = cairo.Context(surface)
surface_ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
surface_ctx.set_operator(cairo.OPERATOR_SOURCE)
surface_ctx.paint()
reg = Gdk.cairo_region_create_from_surface(surface)
self.input_shape_combine_region(reg)
def draw(self, widget, context):
self.image = cairo.ImageSurface.create_from_png("claver-splash.png")
input_region = Gdk.cairo_region_create_from_surface(self.image)
self.input_shape_combine_region(input_region)
context.set_operator(cairo.OPERATOR_SOURCE)
context.set_source_surface(self.image, 0, 0)
context.paint()
context.set_operator(cairo.OPERATOR_OVER)
def set_untouchable(self):
"""
Create a custom input shape and tell it that all of the window is a cut-out
This allows us to have a window above everything but that never gets clicked on
"""
(width, height) = self.get_size()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
surface_ctx = cairo.Context(surface)
surface_ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
surface_ctx.set_operator(cairo.OPERATOR_SOURCE)
surface_ctx.paint()
reg = Gdk.cairo_region_create_from_surface(surface)
self.input_shape_combine_region(reg)
def redraw(self):
gdkwin = self.get_window()
if gdkwin:
if not self.compositing or self.force_xshape:
(w, h) = self.get_size()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
surface_ctx = cairo.Context(surface)
self.do_draw(surface_ctx)
reg = Gdk.cairo_region_create_from_surface(surface)
gdkwin.shape_combine_region(reg, 0, 0)
else:
gdkwin.shape_combine_region(None, 0, 0)
self.queue_draw()
def createRegion(self, pixbuf):
x = pixbuf.get_width()
y = pixbuf.get_height()
mask = cairo.ImageSurface(cairo.FORMAT_ARGB32, x, y)
ctx = cairo.Context(mask)
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
ctx.rectangle(0, 0, x, y)
ctx.fill()
ctx.set_source_rgb(1.0, 1.0, 1.0)
self.roundedrec(ctx, 0, 0, x, y, self.round, 1, False)
ctx.close_path()
ctx.fill_preserve()
ctx.stroke()
# デバッグ用
# mask.write_to_png('/tmp/mask.png')
region = Gdk.cairo_region_create_from_surface(mask)
return region
def updateWindowMask(self):
surface = cairo.ImageSurface(cairo.Format.ARGB32, self.w, self.h)
ctx = cairo.Context(surface)
ctx.set_source_rgba(1.0, 1.0, 1.0, 0.0)
ctx.set_operator(cairo.OPERATOR_CLEAR)
ctx.paint()
ctx.set_operator(cairo.OPERATOR_OVER)
ctx.set_source_rgba(1.0, 1.0, 1.0)
ctx.set_line_width(1)
pix = 0
for y in range(0, self.h, 3):
for x in range(0, self.w, 3):
ctx.move_to(x, y)
ctx.line_to(x + 2, y + 2)
ctx.stroke()
surface.write_to_png("temp.png")
region = Gdk.cairo_region_create_from_surface(surface)
self.mainWindow.shape_combine_region(region)
def draw_nav_button(self, widget, context):
""" draws rectangles with rounded (circular arc) corners """
if widget.get_children()[0].get_text() == self.__activeButton:
active = True
else:
active = False
alloc = widget.get_allocation()
width = alloc.width
height = alloc.height
buttonRadius = 20
xOffset = 0
yOffset = 0
# Create a surface to use as the input area for GtkEventBox
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
ctx = cairo.Context(surface)
# Reset buffer background
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0) # Transparent black
ctx.rectangle(0, 0, width, height)
ctx.fill()
outline_top_left_offset = theme_prefs['OUTLINE'] / 2
outline_bottom_right_offset = theme_prefs['OUTLINE']
# Draw to the Cairo buffer
self.draw_rounded_menu_button(context=ctx, x=outline_top_left_offset + xOffset, y=outline_top_left_offset + yOffset,
width=width - outline_bottom_right_offset,
height=height - outline_bottom_right_offset, radius=buttonRadius,
lineWidth=theme_prefs['OUTLINE'], active=active)
# Draw to the widget surface
self.draw_rounded_menu_button(context=context, x=outline_top_left_offset + xOffset,
y=outline_top_left_offset + yOffset, width=width - outline_bottom_right_offset,
height=height - outline_bottom_right_offset, radius=buttonRadius,
lineWidth=theme_prefs['OUTLINE'], active=active)
# save file
# surface.write_to_png("MyImage.png")
input_region = Gdk.cairo_region_create_from_surface(surface)
widget.input_shape_combine_region(input_region)
def cb_draw(self, widget, cr):
cr.set_source_rgba(0.0, 0.0, 0.0, 0.0)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self.w, self.h)
surface_ctx = cairo.Context(surface)
surface_ctx.set_source_rgba(1.0, 1.0, 1.0, 0.0)
surface_ctx.set_operator(cairo.OPERATOR_SOURCE)
surface_ctx.paint()
reg = Gdk.cairo_region_create_from_surface(surface)
widget.input_shape_combine_region(reg)
cr.move_to(0, 0)
cr.set_source_rgba(1.0, 0.0, 0.0, 0.8)
cr.set_line_width(2.0)
#
# Seriously?
# The thing is, windows cannot overlap Panel or Launcher.
# Ugly code taking care of this overlapping is below.
#
if self.y > self.panel_height - 1:
cr.line_to(self.w, 0)
else:
cr.move_to(self.w, 0)
if self.x + self.w < HW.screens[self.screen.get_number()]['width']:
cr.line_to(self.w, self.h)
else:
cr.move_to(self.w, self.h)
if self.y + self.h < HW.screens[self.screen.get_number()]['height']:
cr.line_to(0, self.h)
else:
cr.move_to(0, self.h)
if self.x > self.launcher_width:
cr.line_to(0, 0)
cr.stroke()
cr.set_operator(cairo.OPERATOR_OVER)
def cb_draw(self, widget, cr):
cr.set_source_rgba(0.0, 0.0, 0.0, 0.0)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, self.w, self.h)
surface_ctx = cairo.Context(surface)
surface_ctx.set_source_rgba(1.0, 1.0, 1.0, 0.0)
surface_ctx.set_operator(cairo.OPERATOR_SOURCE)
surface_ctx.paint()
reg = Gdk.cairo_region_create_from_surface(surface)
widget.input_shape_combine_region(reg)
cr.move_to(0, 0)
cr.set_source_rgba(1.0, 0.0, 0.0, 0.8)
cr.set_line_width(2.0)
#
# Seriously?
# The thing is, windows cannot overlap Panel or Launcher.
# Ugly code taking care of this overlapping is below.
#
if self.y > self.panel_height - 1:
cr.line_to(self.w, 0)
else:
cr.move_to(self.w, 0)
if self.x + self.w < HW.screens[self.screen.get_number()]['width']:
cr.line_to(self.w, self.h)
else:
cr.move_to(self.w, self.h)
if self.y + self.h < HW.screens[self.screen.get_number()]['height']:
cr.line_to(0, self.h)
else:
cr.move_to(0, self.h)
if self.x > self.launcher_width:
cr.line_to(0, 0)
cr.stroke()
cr.set_operator(cairo.OPERATOR_OVER)
def draw_cb(self, widget, cc):
print("do_draw_cb")
# Clear cairo context
cc.set_source_rgba(0, 0, 0, 0)
cc.set_operator(cairo.OPERATOR_SOURCE)
cc.paint()
# Scale the context so that the cover image area is 1 x 1
rect = self.get_allocation()
if self.conf['draw_reflection']:
cover_area_size = min(rect.width - self.conf['blur']/2, (rect.height - self.conf['blur']/2) / (1 + self.conf['reflection_height']))
else:
cover_area_size = min(rect.width - self.conf['blur']/2, (rect.height - self.conf['blur']/2))
if self.conf['text_position'] in [POSITION_SW, POSITION_NW]:
x_trans = int(round(rect.width - cover_area_size - self.conf['blur']/2))
else:
x_trans = int(round(self.conf['blur']/2))
cc.translate(x_trans, 0)
cc.scale(cover_area_size, cover_area_size)
cc.push_group()
self.song_info.draw(cc)
if self.mouse_over:
self.desktop_buttons.draw(cc)
cc.save()
cc.translate((1 - self.conf['hover_size']) / 2, self.conf['border'])
cc.scale(self.conf['hover_size'], self.conf['hover_size'])
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.save()
cc.translate(0, (self.cover_image.h - self.cover_image.w) / self.cover_image.w)
self.cover_image.draw(cc, cover_area_size)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.restore()
if self.mouse_over:
cc.restore()
graphics = cc.pop_group()
# Draw main graphics
cc.set_source(graphics)
cc.set_operator(cairo.OPERATOR_OVER)
cc.paint()
# Draw reflections
if self.conf['draw_reflection']:
cc.save()
cc.set_operator(cairo.OPERATOR_ADD)
cc.translate(0, 2.02)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.save()
cc.translate(0, 2 * (self.cover_image.h - self.cover_image.w) / self.cover_image.w)
cc.scale(1, -1)
cc.push_group()
x_scale = cc.get_matrix()[0]
r1 = int(self.conf['blur'] / 2 + 1.5)
r0 = r1 - self.conf['blur'] - 1
bn = (self.conf['blur'] + 1)**2
for dx in range(r0, r1):
for dy in range(r0, r1):
cc.save()
cc.translate(dx/x_scale, dy/x_scale)
cc.set_source(graphics)
cc.paint_with_alpha(1/bn)
cc.restore()
graphics = cc.pop_group()
cc.set_source(graphics)
shadow_mask = cairo.LinearGradient(0, 1 - self.conf['reflection_height'], 0, 1)
shadow_mask.add_color_stop_rgba(0, 0, 0, 0, 0)
shadow_mask.add_color_stop_rgba(1, 0, 0, 0, self.conf['reflection_intensity'])
cc.mask(shadow_mask)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.restore()
cc.restore()
# Input mask, only the cover image is clickable
# Will, (and should) only work if parent is Gtk.Window
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, int(rect.width), int(rect.height))
ccmask = cairo.Context(surface)
roundedrec(ccmask, int(x_trans), 0, cover_area_size, cover_area_size, self.conf['roundness'])
ccmask.fill()
# bug in python-cairo, upstream is patched, but only for python3-cairo
# https://bugs.launchpad.net/ubuntu/+source/pygobject/+bug/1028115
# https://bugzilla.gnome.org/show_bug.cgi?id=667959
# https://bugs.freedesktop.org/show_bug.cgi?id=44336
# for the moment wrap this into a try except so that it fails gracefully
# need to test this on a distro patched and only running python3-cairo
#21/04/14 - crash observed on 14.04 - currently presume this is a bug so
#lets work around this by a test with the pygobject-version 3.12
try:
print (desktop_rb3compat.pygobject_version())
if desktop_rb3compat.pygobject_version() < 3.12:
region = Gdk.cairo_region_create_from_surface(surface)
self.get_parent().input_shape_combine_region(region)
except:
pass
# Draw border
if self.draw_border:
print("drawborder")
cc.identity_matrix()
cc.rectangle(0, 0, rect.width, rect.height)
cc.set_line_width(2)
cc.set_source_rgba(1, 1, 1, 0.35)
cc.set_dash([10,10], 0)
cc.stroke_preserve()
cc.set_source_rgba(0, 0, 0, 0.35)
cc.set_dash([10,10], 10)
cc.stroke()
def draw_cb(self, widget, cc):
print("do_draw_cb")
# Clear cairo context
cc.set_source_rgba(0, 0, 0, 0)
cc.set_operator(cairo.OPERATOR_SOURCE)
cc.paint()
# Scale the context so that the cover image area is 1 x 1
rect = self.get_allocation()
if self.conf['draw_reflection']:
cover_area_size = min(rect.width - self.conf['blur']/2, (rect.height - self.conf['blur']/2) / (1 + self.conf['reflection_height']))
else:
cover_area_size = min(rect.width - self.conf['blur']/2, (rect.height - self.conf['blur']/2))
if self.conf['text_position'] in [POSITION_SW, POSITION_NW]:
x_trans = int(round(rect.width - cover_area_size - self.conf['blur']/2))
else:
x_trans = int(round(self.conf['blur']/2))
cc.translate(x_trans, 0)
cc.scale(cover_area_size, cover_area_size)
cc.push_group()
self.song_info.draw(cc)
if self.mouse_over:
self.desktop_buttons.draw(cc)
cc.save()
cc.translate((1 - self.conf['hover_size']) / 2, self.conf['border'])
cc.scale(self.conf['hover_size'], self.conf['hover_size'])
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.save()
cc.translate(0, (self.cover_image.h - self.cover_image.w) / self.cover_image.w)
self.cover_image.draw(cc, cover_area_size)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.restore()
if self.mouse_over:
cc.restore()
graphics = cc.pop_group()
# Draw main graphics
cc.set_source(graphics)
cc.set_operator(cairo.OPERATOR_OVER)
cc.paint()
# Draw reflections
if self.conf['draw_reflection']:
cc.save()
cc.set_operator(cairo.OPERATOR_ADD)
cc.translate(0, 2.02)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.save()
cc.translate(0, 2 * (self.cover_image.h - self.cover_image.w) / self.cover_image.w)
cc.scale(1, -1)
cc.push_group()
x_scale = cc.get_matrix()[0]
r1 = int(self.conf['blur'] / 2 + 1.5)
r0 = r1 - self.conf['blur'] - 1
bn = (self.conf['blur'] + 1)**2
for dx in range(r0, r1):
for dy in range(r0, r1):
cc.save()
cc.translate(dx/x_scale, dy/x_scale)
cc.set_source(graphics)
cc.paint_with_alpha(1/bn)
cc.restore()
graphics = cc.pop_group()
cc.set_source(graphics)
shadow_mask = cairo.LinearGradient(0, 1 - self.conf['reflection_height'], 0, 1)
shadow_mask.add_color_stop_rgba(0, 0, 0, 0, 0)
shadow_mask.add_color_stop_rgba(1, 0, 0, 0, self.conf['reflection_intensity'])
cc.mask(shadow_mask)
if (self.conf['text_position'] in [POSITION_NW, POSITION_NE]) and (not self.mouse_over):
if(self.cover_image.w > self.cover_image.h):
cc.restore()
cc.restore()
# Input mask, only the cover image is clickable
# Will, (and should) only work if parent is Gtk.Window
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, int(rect.width), int(rect.height))
ccmask = cairo.Context(surface)
roundedrec(ccmask, int(x_trans), 0, cover_area_size, cover_area_size, self.conf['roundness'])
ccmask.fill()
# bug in python-cairo, upstream is patched, but only for python3-cairo
# https://bugs.launchpad.net/ubuntu/+source/pygobject/+bug/1028115
# https://bugzilla.gnome.org/show_bug.cgi?id=667959
# https://bugs.freedesktop.org/show_bug.cgi?id=44336
# for the moment wrap this into a try except so that it fails gracefully
# need to test this on a distro patched and only running python3-cairo
#21/04/14 - crash observed on 14.04 - currently presume this is a bug so
#lets work around this by a test with the pygobject-version 3.12
try:
print (desktop_rb3compat.pygobject_version())
if desktop_rb3compat.pygobject_version() < 3.12:
region = Gdk.cairo_region_create_from_surface(surface)
self.get_parent().input_shape_combine_region(region)
except:
pass
# Draw border
if self.draw_border:
print("drawborder")
cc.identity_matrix()
cc.rectangle(0, 0, rect.width, rect.height)
cc.set_line_width(2)
cc.set_source_rgba(1, 1, 1, 0.35)
cc.set_dash([10,10], 0)
cc.stroke_preserve()
cc.set_source_rgba(0, 0, 0, 0.35)
cc.set_dash([10,10], 10)
cc.stroke()
