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Commitb728aa7

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ImageView: add GIF support
1 parent1993e93 commitb728aa7

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2 files changed

+32
-6
lines changed

2 files changed

+32
-6
lines changed

‎draft_code/saved_functions.py‎

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -277,6 +277,12 @@ def file_explorer_event_cb(e):
277277
print("done")
278278

279279

280+
screen=lv.obj()
281+
gif=lv.gif(screen)
282+
gif.set_src("M:data/images/tunnel_160x107.gif")
283+
gif.center()
284+
#gif.set_size(320,240)
285+
lv.screen_load(screen)
280286

281287
# BIN
282288
withopen("/icon_64x64.bin",'rb')asf:
@@ -619,6 +625,8 @@ def log_callback(level, log_str):
619625
lv.log_register_print_cb(log_callback)
620626

621627

628+
lv.log_register_print_cb(None)
629+
622630
# Function to get FPS
623631
defget_fps():
624632
returnfps_buffer[0]

‎internal_filesystem/apps/com.micropythonos.imageview/assets/imageview.py‎

Lines changed: 24 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -15,16 +15,24 @@ class ImageView(Activity):
1515
images= []
1616
image_nr=None
1717
image_timer=None
18-
image=None
1918
fullscreen=False
2019

20+
# Widgets
21+
image=None
22+
gif=None
23+
2124
defonCreate(self):
2225
screen=lv.obj()
2326
self.image=lv.image(screen)
2427
self.image.center()
2528
self.image.add_flag(lv.obj.FLAG.CLICKABLE)
26-
#self.image.add_event_cb(self.print_events, lv.EVENT.ALL, None)
2729
self.image.add_event_cb(lambdae:self.toggle_fullscreen(),lv.EVENT.CLICKED,None)
30+
self.gif=lv.gif(screen)
31+
self.gif.center()
32+
self.gif.add_flag(lv.obj.FLAG.CLICKABLE)
33+
self.gif.add_flag(lv.obj.FLAG.HIDDEN)
34+
self.gif.add_event_cb(lambdae:self.toggle_fullscreen(),lv.EVENT.CLICKED,None)
35+
#self.image.add_event_cb(self.print_events, lv.EVENT.ALL, None)
2836
self.label=lv.label(screen)
2937
self.label.set_text('Loading images from\n{self.imagedir}')
3038
self.label.align(lv.ALIGN.TOP_MID,0,0)
@@ -57,7 +65,8 @@ def onResume(self, screen):
5765
self.images.clear()
5866
foriteminos.listdir(self.imagedir):
5967
print(item)
60-
ifitem.endswith(".jpg")oritem.endswith(".jpeg")oritem.endswith(".png")oritem.endswith(".raw"):
68+
lowercase=item.lower()
69+
iflowercase.endswith(".jpg")orlowercase.endswith(".jpeg")orlowercase.endswith(".png")orlowercase.endswith(".raw")orlowercase.endswith(".gif"):
6170
fullname=f"{self.imagedir}/{item}"
6271
size=os.stat(fullname)[6]
6372
print(f"size:{size}")
@@ -189,7 +198,17 @@ def extract_dimensions_and_format(self, filename):
189198
defshow_image(self,name):
190199
try:
191200
self.label.set_text(name)
192-
ifname.endswith(".raw"):
201+
ifname.lower().endswith(".gif"):
202+
print("switching to gif mode...")
203+
self.image.add_flag(lv.obj.FLAG.HIDDEN)
204+
self.gif.remove_flag(lv.obj.FLAG.HIDDEN)
205+
self.gif.set_src(f"M:{name}")
206+
else:
207+
self.gif.add_flag(lv.obj.FLAG.HIDDEN)
208+
self.image.remove_flag(lv.obj.FLAG.HIDDEN)
209+
self.image.set_src(f"M:{name}")
210+
211+
ifname.lower().endswith(".raw"):
193212
f=open(name,'rb')
194213
image_data=f.read()
195214
print(f"loaded{len(image_data)} bytes from .raw file")
@@ -212,8 +231,6 @@ def show_image(self, name):
212231
'data':image_data
213232
})
214233
self.image.set_src(image_dsc)
215-
else:
216-
self.image.set_src(f"M:{name}")
217234
self.scale_image()
218235
exceptOSErrorase:
219236
print(f"show_image got exception:{e}")
@@ -235,6 +252,7 @@ def scale_image(self):
235252
scale_factor_h=round(lvgl_h*256/image_h)
236253
print(f"scale_factors:{scale_factor_w},{scale_factor_h}")
237254
self.image.set_size(lvgl_w,lvgl_h)
255+
#self.gif.set_size(lvgl_w, lvgl_h) doesn't seem to do anything. get_style_transform_scale_x/y works but then it needs get_style_translate_x/y
238256
#self.image.set_scale(max(scale_factor_w,scale_factor_h)) # fills the entire screen but cuts off borders
239257
self.image.set_scale(min(scale_factor_w,scale_factor_h))
240258
print(f"after set_scale, the LVGL image has size:{self.image.get_width()}x{self.image.get_height()}")

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