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Can ClearWin handle images other than bitmap (.bmp)

 
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eric_carwardine



Joined: 13 Jun 2009
Posts: 66
Location: Perth, Western Australia

PostPosted: Thu Jul 30, 2020 11:05 pm    Post subject: Can ClearWin handle images other than bitmap (.bmp) Reply with quote

Where in the Clearwin manual should I look for the types of image that Clearwin can handle?

I'm particularly interested in displaying images other than device-independent bitmaps (.bmp)

My project is to re-name and re-locate (for which Fortran procedures are available) the images on my computer. Almost all the images are either jpeg/jpg or gif.

I've built an index (about 30 Megabyte in size) of the full path to every image on my computer; photos I've taken that I now need as part of my advertising/public relations business.

I had envisaged somehow doing a bulk/batch transformation of everything into bitmap format, perhaps using some feature of IrfanView.
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wahorger



Joined: 13 Oct 2014
Posts: 775
Location: Morrison, CO, USA

PostPosted: Fri Jul 31, 2020 2:58 am    Post subject: Reply with quote

I use IrfanView, and you can do a batch conversion using a text file to specify the input file name(s). Just look in the Help under the File Menu. Load text is the key.

I use IrfanView to convert and resize images for my user help file. I set up a batch process. Converts around 140 images in under a minute.

I would not convert to BMP unless I had a specific reason or application that only accepted BMP.. I'd choose either JPEG2000 (JP2 in IrfanView, right?) or PNG. JPEG2000 and PNG are lossless compression, a better choice. TIFF is always a possibility as well.
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eric_carwardine



Joined: 13 Jun 2009
Posts: 66
Location: Perth, Western Australia

PostPosted: Fri Jul 31, 2020 3:19 am    Post subject: Re: Reply with quote

wahorger wrote:

I would not convert to BMP unless I had a specific reason or application that only accepted BMP.. I'd choose either JPEG2000 (JP2 in IrfanView, right?) or PNG. JPEG2000 and PNG are lossless compression, a better choice. TIFF is always a possibility as well.


Thank you wahorger.

Which format should I use for displaying images in Clearwin?
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wahorger



Joined: 13 Oct 2014
Posts: 775
Location: Morrison, CO, USA

PostPosted: Fri Jul 31, 2020 3:41 am    Post subject: Reply with quote

According to the documentation, you can use IMPORT_IMAGE@ function to import BMP, JPEG, GIF, EMF, and PCX to place the image in a graphics window.

You can export to PNG as well (EXPORT_IMAGE@).

These functions deal with a window that is displaying and saving an image.
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eric_carwardine



Joined: 13 Jun 2009
Posts: 66
Location: Perth, Western Australia

PostPosted: Fri Jul 31, 2020 6:10 am    Post subject: Re: Reply with quote

wahorger wrote:
According to the documentation, you can use IMPORT_IMAGE@ function to import BMP, JPEG, GIF, EMF, and PCX to place the image in a graphics window.

You can export to PNG as well (EXPORT_IMAGE@).

These functions deal with a window that is displaying and saving an image.


Thank you again, wahorger!

Able to import not just .bmp greatly simplifies my task.

Eric
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LitusSaxonicum



Joined: 23 Aug 2005
Posts: 2146
Location: Yateley, Hants, UK

PostPosted: Fri Jul 31, 2020 5:24 pm    Post subject: Reply with quote

Hi Eric,

FTN95.CHM is your friend. It's worth reading the section on Clearwin+ section by section. There's also a file in the called CWPLUS.ENH that is worth a read. I say this not as 'RTFM', but you discover a whole lot of things you never even thought of when you read those files!

There is a difference between importing an image into (say) a %gr area (using the IMPORT_xxxx@ functions), and just displaying an image (e.g. %bm, %gi) or using one in a toolbar as an icon (%ic).

Eddie
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John-Silver



Joined: 30 Jul 2013
Posts: 1394
Location: Aerospace Valley

PostPosted: Sat Aug 01, 2020 11:26 pm    Post subject: Reply with quote

Bill rote:
Quote:
According to the documentation, you can use IMPORT_IMAGE@ function to import BMP, JPEG, GIF, EMF, and PCX to place the image in a graphics window.

You can export to PNG as well (EXPORT_IMAGE@).


... which is what it might say in the ftn95.chm file (?) but in the on-line documentation we see:

For INPUT (ref. https://silverfrost.com/ftn95-help/clearwinp/library/import_image_.aspx)
.png, .jpeg, .bmp, .gif or .pcx files can be used

Note .png is said to be input compatible which isn't mentioned by Bill's documentation source.
Note also that the resources file example seems to imply that .jpg also is compatible (t.b.c. by S.F.)

For OUTPUT (ref. https://silverfrost.com/ftn95-help/clearwinp/library/export_image_.aspx
.png, .jpg, .jpeg, .bmp, .gif, .emf, and .pcx files are possible

(note the 2 type jpg/jpeg compatibility)

So, a small amont of clarification is needed in making the documentation (.chm and on-line) consistent imho I think.


Not forgetting the relatively new (since end of last year) introduction of SVG capabilities ....
https://silverfrost.com/ftn95-help/clearwinp/gdialog/svg.aspx
which is a handsomeaddition to the ftn95 portfolio.
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