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Code Issues Packages Projects Releases Wiki Activity

ShowFonts app: show selection

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This commit is contained in:
Thomas Farstrike
2025-11-21 11:32:57 +01:00
parent 5dcae39a5e
commit 547e1008b6
1 changed files with 51 additions and 5 deletions
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internal_filesystem/apps/com.micropythonos.showfonts/assets/showfonts.py
+51 -5
View File
@@ -4,15 +4,62 @@ import lvgl as lv
class ShowFonts(Activity):
def onCreate(self):
screen = lv.obj()
#cont.set_size(320, 240)
#cont.set_scrollbar_mode(lv.SCROLLBAR_MODE.AUTO)
#cont.set_scroll_dir(lv.DIR.VER)
# Make the screen focusable so it can be scrolled with the arrow keys
focusgroup = lv.group_get_default()
if focusgroup:
focusgroup.add_obj(screen)
self.addAllFonts(screen)
#self.addAllGlyphs(screen)
self.setContentView(screen)
def addAllFonts(self, screen):
fonts = [
(lv.font_montserrat_10, "Montserrat 10"),
(lv.font_unscii_8, "Unscii 8"),
(lv.font_montserrat_16, "Montserrat 16"), # +6
(lv.font_montserrat_22, "Montserrat 22"), # +6
(lv.font_unscii_16, "Unscii 16"),
(lv.font_montserrat_30, "Montserrat 30"), # +8
(lv.font_montserrat_38, "Montserrat 38"), # +8
(lv.font_montserrat_48, "Montserrat 48"), # +10
(lv.font_dejavu_16_persian_hebrew, "DejaVu 16 Persian/Hebrew"),
]
dsc = lv.font_glyph_dsc_t()
y = 0
for font, name in fonts:
x = 0
title = lv.label(screen)
title.set_text(name + ":")
title.set_style_text_font(lv.font_montserrat_16, 0)
title.set_pos(x, y)
y += title.get_height() + 20
line_height = font.get_line_height() + 4
for cp in range(0x20, 0xFF):
if font.get_glyph_dsc(font, dsc, cp, cp+1):
lbl = lv.label(screen)
lbl.set_style_text_font(font, 0)
lbl.set_text(chr(cp))
lbl.set_pos(x, y)
width = font.get_glyph_width(cp, cp+1)
x += width
if x + width * 2 > screen.get_width():
x = 0
y += line_height
y += line_height*2
screen.set_height(y + 20)
def addAllGlyphs(self, screen):
fonts = [
(lv.font_montserrat_16, "Montserrat 16"),
(lv.font_unscii_16, "Unscii 16"),
@@ -21,7 +68,7 @@ class ShowFonts(Activity):
]
dsc = lv.font_glyph_dsc_t()
y = 4
y = 40
for font, name in fonts:
title = lv.label(screen)
@@ -48,4 +95,3 @@ class ShowFonts(Activity):
y += line_height
screen.set_height(y + 20)
self.setContentView(screen)