Re: [Imtoolkit-users] Convert loaded gif file

[Antonio S. <sc...@te...>]

 ok. Then you will need to first convert the loaded image to RGB first.

if (image:ColorSpace() == im.MAP or image:ColorSpace() == im.BINARY) then
  new_image = im.ConvertColorSpaceNew(image, im.RGB, false)
  image:Destroy()
  image = new_image
end

Best,
Scuri


On Fri, Jul 18, 2014 at 9:06 PM, Milind Gupta <mil...@gm...>
wrote:

> I want to combine to images so that they appear side by side. I was
> following the combine4-10x15.lua example but encountered this issue.
>
> Thanks,
> Milind
>
>
>
> On Fri, Jul 18, 2014 at 5:01 PM, Antonio Scuri <sc...@te...>
> wrote:
>
>>   What do you mean by "merge"?
>>
>> Scuri
>>
>>
>>
>> On Fri, Jul 18, 2014 at 8:59 PM, Milind Gupta <mil...@gm...>
>> wrote:
>>
>>> Actually I want to merge it with a jpg image I loaded with  im.ImageCreate(r_w,
>>> r_h, im.RGB, im.BYTE)
>>>
>>> How can I achieve that?
>>>
>>> Thanks,
>>> Milind
>>>
>>>
>>>
>>> On Fri, Jul 18, 2014 at 4:54 PM, Antonio Scuri <sc...@te...
>>> > wrote:
>>>
>>>>   The image in the GIF file is not an RGB image. So it loaded a im.MAP
>>>> image. That's why the resize failed.
>>>>
>>>>   So there are a few ways to make it work.
>>>>
>>>> -- assume the image is map
>>>> r_img = im.ImageCreate(r_w, r_h, im.MAP, im.BYTE)
>>>>
>>>> -- create a new image based on the old one
>>>> r_img = im.ImageCreateBased(image, r_w, r_h, nil, nil)
>>>>
>>>> -- let the ResizeNew do it all
>>>> r_img = im.ProcessResizeNew(image, r_w, r_h, order)
>>>>
>>>>   But it would be better to user the write interpolation order. im.MAP
>>>> images can not be linear interpolated.
>>>>
>>>> order = 1
>>>> if (image:ColorSpace() == im.MAP or image:ColorSpace() == im.BINARY)
>>>> then
>>>>   order = 0
>>>> end
>>>>
>>>>
>>>> Best,
>>>> Scuri
>>>>
>>>>
>>>>
>>>> On Fri, Jul 18, 2014 at 2:47 PM, Milind Gupta <mil...@gm...>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>         I am loading a gif file using image =
>>>>> im.FileImageLoadBitmap(fileName) then I want to resize this loaded file so
>>>>> I tried:
>>>>> r_img = im.ImageCreate(r_w, r_h, im.RGB, im.BYTE)
>>>>> im.ProcessResize(image, r_img, 1) -- do bilinear interpolation
>>>>>
>>>>> But I get this error:
>>>>> images must have the same data type and color space
>>>>> stack traceback:
>>>>>          [C]: in function 'ProcessResize'
>>>>>         bingo.lua:50: in function 'resizeImage'
>>>>>         bingo.lua:81: in function 'SavePalettes'
>>>>>         bingo.lua:103: in main chunk
>>>>>         [C]: ?
>>>>>
>>>>> How can I do the appropriate conversion so that the resize works.
>>>>>
>>>>> Thanks,
>>>>> Milind
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
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>>>>
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>>
>>
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>> Imtoolkit-users mailing list
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>>
>
>
> ------------------------------------------------------------------------------
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> search up to 200,000 lines of code with a free copy of Black Duck
> Code Sight - the same software that powers the world's largest code
> search on Ohloh, the Black Duck Open Hub! Try it now.
> http://p.sf.net/sfu/bds
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> Imtoolkit-users mailing list
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>
>