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Commit06cdf9a

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imageview: click image for fullscreen
1 parent7ef6ca2 commit06cdf9a

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2 files changed

+53
-17
lines changed

2 files changed

+53
-17
lines changed

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

Lines changed: 50 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,7 @@
33

44
frommpos.appsimportActivity
55
importmpos.ui
6+
importmpos.ui.anim
67

78
classImageView(Activity):
89

@@ -15,32 +16,35 @@ class ImageView(Activity):
1516
image_nr=None
1617
image_timer=None
1718
image=None
19+
fullscreen=False
1820

1921
defonCreate(self):
2022
screen=lv.obj()
2123
self.image=lv.image(screen)
22-
self.image.set_size(128,128)
2324
self.image.center()
25+
self.image.add_flag(lv.obj.FLAG.CLICKABLE)
26+
#self.image.add_event_cb(self.print_events, lv.EVENT.ALL, None)
27+
self.image.add_event_cb(lambdae:self.play(),lv.EVENT.CLICKED,None)
2428
self.label=lv.label(screen)
25-
self.label.set_text('Hello Images!')
29+
self.label.set_text('Loading images from\n{self.imagedir}')
2630
self.label.align(lv.ALIGN.TOP_MID,0,0)
2731
self.prev_button=lv.button(screen)
2832
self.prev_button.align(lv.ALIGN.BOTTOM_LEFT,0,0)
2933
self.prev_button.add_event_cb(lambdae:self.show_prev_image(),lv.EVENT.CLICKED,None)
3034
prev_label=lv.label(self.prev_button)
3135
prev_label.set_text(lv.SYMBOL.LEFT)
32-
self.play_button=lv.button(screen)
33-
self.play_button.align(lv.ALIGN.BOTTOM_MID,0,0)
34-
self.play_button.add_event_cb(lambdae:self.play(),lv.EVENT.CLICKED,None)
35-
play_label=lv.label(self.play_button)
36-
play_label.set_text(lv.SYMBOL.PLAY)
36+
#self.play_button = lv.button(screen)
37+
#self.play_button.align(lv.ALIGN.BOTTOM_MID,0,0)
38+
#self.play_button.add_event_cb(lambda e: self.play(),lv.EVENT.CLICKED,None)
39+
#play_label = lv.label(self.play_button)
40+
#play_label.set_text(lv.SYMBOL.PLAY)
3741
self.next_button=lv.button(screen)
3842
self.next_button.align(lv.ALIGN.BOTTOM_RIGHT,0,0)
3943
self.next_button.add_event_cb(lambdae:self.show_next_image(),lv.EVENT.CLICKED,None)
40-
#self.next_button.add_event_cb(self.touch_cb, lv.EVENT.ALL, None)
44+
self.next_button.add_event_cb(self.print_events,lv.EVENT.ALL,None)
4145
next_label=lv.label(self.next_button)
4246
next_label.set_text(lv.SYMBOL.RIGHT)
43-
#screen.add_event_cb(self.touch_cb, lv.EVENT.ALL, None)
47+
#screen.add_event_cb(self.print_events, lv.EVENT.ALL, None)
4448
self.setContentView(screen)
4549

4650
defonResume(self,screen):
@@ -64,7 +68,7 @@ def onStop(self, screen):
6468
print("ImageView: deleting image_timer")
6569
self.image_timer.delete()
6670

67-
deftouch_cb(self,event):
71+
defprint_events(self,event):
6872
globalcanvas
6973
event_code=event.get_code()
7074
#print(f"got event {event_code}")
@@ -99,6 +103,21 @@ def show_prev_image(self, event=None):
99103

100104
defplay(self,event=None):
101105
print("playing...")
106+
ifself.fullscreen:
107+
print("stopping fullscreen")
108+
self.fullscreen=False
109+
mpos.ui.anim.smooth_show(self.label)
110+
mpos.ui.anim.smooth_show(self.prev_button)
111+
#mpos.ui.anim.smooth_show(self.play_button)
112+
mpos.ui.anim.smooth_show(self.next_button)
113+
else:
114+
print("starting fullscreen")
115+
self.fullscreen=True
116+
mpos.ui.anim.smooth_hide(self.label)
117+
mpos.ui.anim.smooth_hide(self.prev_button)
118+
#mpos.ui.anim.smooth_hide(self.play_button)
119+
mpos.ui.anim.smooth_hide(self.next_button)
120+
self.scale_image()
102121

103122
defshow_next_image(self,event=None):
104123
print("showing next image...")
@@ -116,12 +135,26 @@ def show_image(self, name):
116135
try:
117136
self.label.set_text(name)
118137
self.image.set_src(f"M:{name}")
119-
print(f"the LVGL image has size:{self.image.get_width()}x{self.image.get_height()}")
120-
header=lv.image_header_t()
121-
self.image.decoder_get_info(self.image.get_src(),header)
122-
print(f"the real image has size:{header.w}x{header.h}")
123-
#image.set_size(128, 128)
124-
#self.image.set_scale(512)
125-
print(f"after set_scale, the LVGL image has size:{self.image.get_width()}x{self.image.get_height()}")
138+
self.scale_image()
126139
exceptExceptionase:
127140
print(f"show_image got exception:{e}")
141+
142+
defscale_image(self):
143+
ifself.fullscreen:
144+
pct=100
145+
else:
146+
pct=90
147+
lvgl_w=mpos.ui.pct_of_display_width(pct)
148+
lvgl_h=mpos.ui.pct_of_display_height(pct)
149+
print(f"scaling to size:{lvgl_w}x{lvgl_h}")
150+
header=lv.image_header_t()
151+
self.image.decoder_get_info(self.image.get_src(),header)
152+
image_w=header.w
153+
image_h=header.h
154+
print(f"the real image has size:{header.w}x{header.h}")
155+
scale_factor_w=round(lvgl_w*256/image_w)
156+
scale_factor_h=round(lvgl_h*256/image_h)
157+
print(f"scale_factors:{scale_factor_w},{scale_factor_h}")
158+
self.image.set_size(lvgl_w,lvgl_h)
159+
self.image.set_scale(max(scale_factor_w,scale_factor_h))
160+
print(f"after set_scale, the LVGL image has size:{self.image.get_width()}x{self.image.get_height()}")

‎internal_filesystem/lib/mpos/ui/__init__.py‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -632,6 +632,9 @@ def handle_top_swipe():
632632
defpct_of_display_width(percent):
633633
returnround(horizontal_resolution*percent/100)
634634

635+
defpct_of_display_height(percent):
636+
returnround(vertical_resolution*percent/100)
637+
635638
defmin_resolution():
636639
returnmin(mpos.ui.horizontal_resolution,mpos.ui.vertical_resolution)
637640

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