Sorry I forgot to mention that I need to do this WITHOUT loading ajny more
modules or libraries.
Is it possible?
On Sun, Aug 10, 2014 at 7:01 PM, diliup gabadamudalige <dili...@gmail.com>
wrote:
> Hi Christopher!
>
> Thanks for the response. Below is my code
>
> pygame.image.save(get_screen, image_filename) # save the file
> as jpeg
> ## reopen image and convert to text file
> with open(image_filename, "rb") as imageFile:
> imagestr = base64.b64encode(imageFile.read())
> ## create the text file name to save to disk
> text_filename = newpath + "s" + str(va.page) + ".dat"
> ## save imagestr(image as a textfle) to disk
> with open(text_filename, "wb") as f:
> f.write(imagestr)
>
> myscreen = pygame.image.load(image_filename).convert()
>
> I capture the screen image
> Is there any way that it can be converted directly to a text file like
> above without writing it to disk first?
> When you capture a screen it is a pygame surface. It is NOT a jpeg or a
> png. The only way to cojnvert it to a jpeg or png is to write it to disk
> and then reload it and then convert it to a text fle using base64.
>
> What I would like to do is to capture the screen, covert to jpeg and then
> convert to text file WITHOUT writing to disk first.
>
> Any ideas?
> Thanks for your support.
>
>
>
>
> On Fri, Aug 8, 2014 at 7:54 PM, Christopher Night <cosmologi...@gmail.com>
> wrote:
>
>> It depends on what precisely you mean when you say that a python variable
>> is a jpeg image. Do you mean that it's a string containing the contents of
>> a jpeg image file? So if you wrote it to disk you'd get a jpeg image file?
>>
>> If that's what you mean, you can do it with PIL and StringIO. (There
>> might be an easier way.)
>>
>> import pygame
>> from PIL import Image
>> from cStringIO import StringIO
>>
>> # create an example pygame image
>> img = pygame.Surface((100, 100))
>> pygame.draw.circle(img, (255, 0, 0), (50, 50), 40)
>> # convert to PIL format
>> imgstr = pygame.image.tostring(img, "RGB", False)
>> pimg = Image.fromstring("RGB", img.get_size(), imgstr)
>> # save to string
>> s = StringIO()
>> pimg.save(s, "JPEG")
>> r = s.getvalue()
>> s.close()
>>
>> # r is a string with the contents of a jpeg file. to confirm:
>> open("img.jpg", "wb").write(r)
>>
>> However, this doesn't seem like a very useful thing to have (and if I
>> needed it so badly I would just write it to disk and read it back) so I may
>> be misunderstanding you.
>>
>>
>> On Fri, Aug 8, 2014 at 5:16 AM, diliup gabadamudalige <dili...@gmail.com>
>> wrote:
>>
>>> Hi all!
>>>
>>> Is there a way to convert a pygame surface to a png or jpeg IN MEMORY
>>> instead of saving to disk and loading again?
>>> something like
>>> get_screen = SCREEN.subsurface(0, 0, SCREENW, SCREENH) # grab the screen
>>>
>>> my_image = get_screen.convert(jpeg) # now convert the image to jpeg
>>>
>>> and now my_image is a jpeg image of get_screen
>>>
>>> I searched the net but couldn't find any other way other than save to
>>> disk as jpeg and reload.
>>>
>>> Any positive OR negative help is very much appreciated.
>>>
>>> Thanks in advance
>>> Diliup Gabadamudalige
>>>
>>> http://www.diliupg.com
>>> http://soft.diliupg.com/
>>>
>>>
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>>
>
>
> --
> Diliup Gabadamudalige
>
> http://www.diliupg.com
> http://soft.diliupg.com/
>
>
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> e-mail. Any unauthorized reading, reproducing, printing or further
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>
--
Diliup Gabadamudalige
http://www.diliupg.com
http://soft.diliupg.com/
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e-mail. Any unauthorized reading, reproducing, printing or further
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