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Code Issues Packages Projects Releases Wiki Activity

Fix jpeg support

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This commit is contained in:
Thomas Farstrike
2025-06-10 00:23:44 +02:00
parent 51be28f298
commit 0c5d6748bd
1 changed files with 9 additions and 23 deletions
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internal_filesystem/apps/com.micropythonos.imageview/assets/imageview.py
+9 -23
View File
@@ -13,7 +13,6 @@ class ImageView(Activity):
image_nr = 0
image_timer = None
image = None
image_dsc = None
def onCreate(self):
screen = lv.obj()
@@ -23,8 +22,6 @@ class ImageView(Activity):
self.image = lv.image(screen)
self.image.set_size(128, 128)
self.image.align(lv.ALIGN.BOTTOM_MID,0,0)
self.image_dsc = lv.image_dsc_t()
self.image.set_src(self.image_dsc)
self.setContentView(screen)
def onResume(self, screen):
@@ -68,26 +65,15 @@ class ImageView(Activity):
def show_image(self, name):
try:
self.label.set_text(name)
f = open(name, 'rb')
image_data = f.read()
print(f"loaded {len(image_data)} bytes")
f.close()
#self.image_dsc.data_size = len(image_data)
#self.image_dsc.data = image_data
self.image_dsc = None
#self.image.set_src(self.image_dsc)
self.image_dsc = lv.image_dsc_t({
'data_size': len(image_data),
'data': image_data
})
h = lv.image_header_t()
lv.image.decoder_get_info(self.image_dsc, h)
print("image info:")
print(h)
print(f"widthxheight: {h.w}x{h.h}")
self.image.set_src(self.image_dsc)
self.image.set_src(f"P:{name}")
w = self.image.get_width()
h = self.image.get_height()
print(f"the LVGL image has size: {w}x{h}")
header = lv.image_header_t()
self.image.decoder_get_info(self.image.get_src(), header)
print(f"the real image has size: {header.w}x{header.h}")
#image.set_size(128, 128)
#image.set_scale(512)
print(f"done with show_image({name})")
self.image.set_scale(512)
print(f"done with show_image({name}) got {w}x{h}")
except Exception as e:
print(f"show_image got exception: {e}")