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Commitc5088b7

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Image viewer: support .raw camera captures
1 parent4489f10 commitc5088b7

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2 files changed

+25
-10
lines changed
  • internal_filesystem/apps

2 files changed

+25
-10
lines changed

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

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -177,7 +177,7 @@ def snap_button_click(self, e):
177177
exceptOSError:
178178
pass
179179
ifself.current_cam_bufferisnotNone:
180-
filename=f"data/images/camera_capture_{mpos.time.epoch_seconds()}.raw"
180+
filename=f"data/images/camera_capture_{mpos.time.epoch_seconds()}_{self.width}x{self.height}_RGB565.raw"
181181
try:
182182
withopen(filename,'wb')asf:
183183
f.write(self.current_cam_buffer)

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

Lines changed: 24 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -175,32 +175,47 @@ def show_next_image(self, event=None):
175175
print(f"show_next_image showing{name}")
176176
self.show_image(name)
177177

178+
defextract_dimensions_and_format(self,filename):
179+
# Split the filename by '_'
180+
parts=filename.split('_')
181+
# Get the color format (last part before '.raw')
182+
color_format=parts[-1].split('.')[0]# e.g., "RGB565"
183+
# Get the resolution (second-to-last part)
184+
resolution=parts[-2]# e.g., "240x240"
185+
# Split resolution by 'x' to get width and height
186+
width,height=map(int,resolution.split('x'))
187+
returnwidth,height,color_format.upper()
188+
178189
defshow_image(self,name):
179190
try:
180191
self.label.set_text(name)
181192
ifname.endswith(".raw"):
182193
f=open(name,'rb')
183194
image_data=f.read()
184-
print(f"loaded{len(image_data)} bytes")
195+
print(f"loaded{len(image_data)} bytes from .raw file")
185196
f.close()
186-
w=240
187-
h=240
197+
width,height,color_format=self.extract_dimensions_and_format(name)
198+
print(f"Raw image has width:{width}, Height:{height}, Color Format:{color_format}")
199+
stride=width*2
200+
cf=lv.COLOR_FORMAT.RGB565
201+
ifcolor_format!="RGB565":
202+
print(f"WARNING: unknown color format{color_format}, assuming RGB565...")
188203
image_dsc=lv.image_dsc_t({
189204
"header": {
190205
"magic":lv.IMAGE_HEADER_MAGIC,
191-
"w":w,
192-
"h":h,
193-
"stride":w*2,
194-
"cf":lv.COLOR_FORMAT.RGB565
206+
"w":width,
207+
"h":height,
208+
"stride":stride,
209+
"cf":cf
195210
},
196-
'data_size':w*h*2,
211+
'data_size':len(image_data),
197212
'data':image_data
198213
})
199214
self.image.set_src(image_dsc)
200215
else:
201216
self.image.set_src(f"M:{name}")
202217
self.scale_image()
203-
exceptExceptionase:
218+
exceptOSErrorase:
204219
print(f"show_image got exception:{e}")
205220

206221
defscale_image(self):

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