Trouble using imported images from Photos

cvp

import ui
from scene import *

class MyScene (Scene):
	def setup(self):
		self.background_color = '#000000'
		ui_image = ui.Image.named('IMG_5903.JPG')	# 5 MB 3672x4896 px   **** Error
		#ui_image = ui.Image.named('IMG_3735.JPG')	# 4 MB 1536x2048 px **** ok
		#ui_image = ui.Image.named('IMG_6575.JPG')	# 43 KB 640x853 px  **** ok
		self.background = SpriteNode(ui_image)
		self.background.position = self.size.width / 2, self.size.height / 2
		self.add_child(self.background)

run(MyScene())

No error with photo of 4 Mb but error with photo of 5 Mb

cvp

Big photo is here

JonB

what if you create the SpriteNode outside of the scene?

cvp

@JonB idem

JonB

ohh, ok. scene Textures are opengl based, i think. So you cannot have a Texture that is larger in pixels that the graphics memory region, which is something like twice largest screen size (for retina displays).

with ui.ImageContext(1024*2,1024*2) as ctx:
   #ui.Image.named('IMG_0625.JPG').draw()
   Texture(ctx.get_image())

The above works, on my Ipad3. Anything up to 2048 in either row/col works, but even 2049x1 fails. so, that tells me the opengl textures must be <=2048 in either dimension.

cvp

@JonB that's ok, thanks for @iOSBrett

Drizzel

I‘m having a somewhat similar issue, I can’t even load an image that’s 511 kB in size. I haven’t used the scene module for some time now and my memory is a bit rusty, but the following code should run without an issue, right?
Here it is:

from scene import *
import os

A = Action
class MyScene (Scene):
	def setup(self):
		img = 'rectangle_1.png'
		self.background_color = 'white'
		if img in os.listdir(): print('yes') 	#prints 'yes' in console
		print(ui.Image.named('IMG_5903.JPG')) #prints None in console
		#a = Texture(img) #Image not found
		a = SpriteNode(img) #could not load texture
		self.add_child(a)
		pass
	
if __name__ == '__main__':
	run(MyScene(), show_fps=False)

pulbrich

Wouldn’t you need an

import ui

before using ui.Image?

JonB

Try

    img = 'rectangle_1.png'
    self.background_color = 'white'
    if img in os.listdir(): print('yes')            
    printt(ui.Image.named(img))

You were checking one file, but trying to open a different one

Drizzel

@pulbrich no, it actually functions. The output is the same if I use “import ui” and when I don’t.

@JonB your suggestion prints the following:

yes
<_ui.Image object at 0x108fe9e40>

Drizzel

I figured out the issue. Whenever I import an image from my camera roll, it’s ending is in caps (.PNG). Renaming it to .png causes the issue, so I’m just going to not do that :)