Re: [Imtoolkit-users] Convert loaded gif file

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

  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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