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Merge pull request #551 from Vulcalien/set-background-image-error 

Improve and optimize the code for background images
This commit is contained in:
Matt Rose 2021-12-10 07:52:28 -05:00 committed by GitHub
parent 62716872df 1118fb0cfd
commit d3125c29f8
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2 changed files with 21 additions and 24 deletions
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3
terminatorlib/config.py
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@ -212,6 +212,7 @@ DEFAULTS = {
'background_color' : '#000000',
'background_darkness' : 0.5,
'background_type' : 'solid',
'background_image' : '',
'backspace_binding' : 'ascii-del',
'delete_binding' : 'escape-sequence',
'color_scheme' : 'grey_on_black',
@ -253,8 +254,6 @@ DEFAULTS = {
'autoclean_groups' : True,
'http_proxy' : '',
'ignore_hosts' : ['localhost','127.0.0.0/8','*.local'],
'background_image' : '',
'background_alpha' : 0.0,
# Titlebar
'title_hide_sizetext' : False,
'title_transmit_fg_color' : '#ffffff',

36
terminatorlib/terminal.py
View File

@ -6,7 +6,7 @@
import os
import signal
import gi
from gi.repository import GLib, GObject, Pango, Gtk, Gdk, GdkPixbuf
from gi.repository import GLib, GObject, Pango, Gtk, Gdk, GdkPixbuf, cairo
gi.require_version('Vte', '2.91') # vte-0.38 (gnome-3.14)
from gi.repository import Vte
import subprocess
@ -140,18 +140,6 @@ class Terminal(Gtk.VBox):
self.pending_on_vte_size_allocate = False
self.vte = Vte.Terminal()
self.background_image = None
if self.config['background_image'] != '':
try:
self.background_image = GdkPixbuf.Pixbuf.new_from_file(self.config['background_image'])
self.vte.set_clear_background(False)
self.vte.connect("draw",self.background_draw)
except Exception as e:
self.background_image = None
self.vte.set_clear_background(True)
err('error loading background image: %s, %s' % (type(e).__name__,e))
self.background_alpha = self.config['background_darkness']
self.vte.set_allow_hyperlink(True)
self.vte._draw_data = None
if not hasattr(self.vte, "set_opacity") or \
@ -161,7 +149,6 @@ class Terminal(Gtk.VBox):
self.composite_support = True
dbg('composite_support: %s' % self.composite_support)
self.vte.show()
self.update_url_matches()
@ -202,7 +189,8 @@ class Terminal(Gtk.VBox):
def set_background_image(self,image):
try:
self.background_image = GdkPixbuf.Pixbuf.new_from_file(image)
bg_pixbuf = GdkPixbuf.Pixbuf.new_from_file(image)
self.background_image = Gdk.cairo_surface_create_from_pixbuf(bg_pixbuf, 1, None)
self.vte.set_clear_background(False)
self.vte.connect("draw", self.background_draw)
except Exception as e:
@ -730,11 +718,16 @@ class Terminal(Gtk.VBox):
self.bgcolor = Gdk.RGBA()
self.bgcolor.parse(self.config['background_color'])
if self.config['background_type'] == 'transparent' or self.config['background_type'] == 'image':
if self.config['background_type'] in ('transparent', 'image'):
self.bgcolor.alpha = self.config['background_darkness']
else:
self.bgcolor.alpha = 1
if self.config['background_type'] == 'image' and self.config['background_image'] != '':
self.set_background_image(self.config['background_image'])
else:
self.background_image = None
factor = self.config['inactive_color_offset']
if factor > 1.0:
factor = 1.0
@ -1135,18 +1128,23 @@ class Terminal(Gtk.VBox):
widget._draw_data = None
def background_draw(self, widget, cr):
if not self.config['background_type'] == 'image' or not self.background_image:
if self.background_image is None:
return False
# save cairo context
cr.save()
# draw background image
rect = self.vte.get_allocation()
xratio = float(rect.width) / float(self.background_image.get_width())
yratio = float(rect.height) / float(self.background_image.get_height())
cr.save()
cr.scale(xratio, yratio)
Gdk.cairo_set_source_pixbuf(cr, self.background_image, 0, 0)
cr.set_source_surface(self.background_image)
cr.get_source().set_filter(cairo.Filter.FAST)
cr.paint()
# draw transparent monochrome layer
Gdk.cairo_set_source_rgba(cr, self.bgcolor)
cr.paint()
# restore cairo context
cr.restore()
def on_draw(self, widget, context):