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STR #3504
| Application: | FLTK Library |
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| Status: | 1 - Closed w/Resolution |
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| Priority: | 1 - Request for Enhancement, e.g. asking for a feature |
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| Scope: | 3 - Applies to all machines and operating systems |
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| Subsystem: | Image Support |
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| Summary: | read Windows icon file (.ico) |
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| Version: | 1.4-feature |
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| Created By: | djcj |
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| Assigned To: | matt |
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| Fix Version: | 1.4.0 |
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| Fix Commit: | 36cd0a397c6d8fee7ffc5b59d607ead523226e53 |
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| Update Notification: | |
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Trouble Report Files:
Trouble Report Comments:
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| #1 | djcj
07:18 Dec 29, 2018 |
| Support for reading Windows icon files (.ico) could be useful, something like Fl_ICO_Image().
From what I understand .ico files contain 1 or more images, either in raw bitmap format or as PNG (including PNG file header), so no additional library would be needed for decoding.
Format description: http://www.daubnet.com/en/file-format-ico
I found this tiny C++ decoder, but it's either not working right or I'm using it incorrectly: http://vitiy.info/manual-decoding-of-ico-file-format-small-c-cross-platform-decoder-lib/ | |
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| #2 | djcj
09:54 Jan 03, 2019 |
| I have added a function based on Victor Laskin's code that loads a Windows icon file and returns Fl_RGB_Image*. PNG resources inside icon files are handled by Fl_PNG_Image(). It's working for me so far. Feel free to turn this into a real Fl_ICO_Image class. | |
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| #3 | djcj
15:50 Jan 03, 2019 |
| I've added a first draft for a Fl_ICO_Image class. | |
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| #4 | djcj
09:58 Jan 04, 2019 |
| I have uploaded a v2 with some improvements. I can also confirm that 2 color, 16 color, 256 color and 24 bit icons are working (you can i.e. use Gimp to create them for testing). | |
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| #5 | matt
07:41 Jan 20, 2023 |
| Fixed in Git repository. | |
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