Add background image alignment

background_image_align_horiz: left, center, right
background_image_align_vert: top, middle, bottom
This commit is contained in:
Vulcalien 2022-11-01 23:27:17 +01:00
parent 21529cec6c
commit df8890199c
2 changed files with 24 additions and 5 deletions

View File

@ -217,6 +217,8 @@ DEFAULTS = {
'background_type' : 'solid',
'background_image' : '',
'background_image_mode' : 'stretch_and_fill',
'background_image_align_horiz': 'center',
'background_image_align_vert' : 'middle',
'backspace_binding' : 'ascii-del',
'delete_binding' : 'escape-sequence',
'color_scheme' : 'grey_on_black',

View File

@ -1138,22 +1138,39 @@ class Terminal(Gtk.VBox):
# draw background image
image_mode = self.config['background_image_mode']
image_align_horiz = self.config['background_image_align_horiz']
image_align_vert = self.config['background_image_align_vert']
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())
if image_mode == 'stretch_and_fill':
cr.scale(xratio, yratio)
# keep stretched ratios
xratio = xratio
yratio = yratio
elif image_mode == 'scale_and_fit':
ratio = min(xratio, yratio)
cr.scale(ratio, ratio)
xratio = yratio = ratio
elif image_mode == 'scale_and_crop':
ratio = max(xratio, yratio)
cr.scale(ratio, ratio)
xratio = yratio = ratio
else:
xratio = yratio = 1
cr.scale(xratio, yratio)
# TODO add image alignment
xoffset = 0
yoffset = 0
if image_align_horiz == 'center':
xoffset = (rect.width / xratio - self.background_image.get_width()) / 2
elif image_align_horiz == 'right':
xoffset = rect.width / xratio - self.background_image.get_width()
cr.set_source_surface(self.background_image)
if image_align_vert == 'middle':
yoffset = (rect.height / yratio - self.background_image.get_height()) / 2
elif image_align_vert == 'bottom':
yoffset = rect.height / yratio - self.background_image.get_height()
cr.set_source_surface(self.background_image, xoffset, yoffset)
cr.get_source().set_filter(cairo.Filter.FAST)
if image_mode == 'tiling':
cr.get_source().set_extend(cairo.Extend.REPEAT)