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* gui: Add qoi image formatJules Maselbas2022-01-201-0/+1
| | | | | | | | | | | | | | | | | | | | | The "Quite OK Image Format", aka QOI, aims to be a fast, lossless image compression format, with comparable compression factor against png, and beeing faster to encode and decode. In barebox only care about decoding, the qoi image format might be an intresting alternative to both bmp and png, some kind of midle ground. The project home page can be found at https://qoiformat.org, there is a reference implementation, for both encoder and decoder, in a single header file (qoi.h) hosted at https://github.com/phoboslab/qoi. There is no plan for future version, this is a frozen format. In case the reference implementation should be updated, the qoi.h file must be copied to the lib/gui/qoi.h without requiring modifications. Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu> Link: https://lore.barebox.org/20220117230235.13549-3-jmaselbas@kalray.eu Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* treewide: add SPDX-License-Identifier for Kbuild/KconfigAhmad Fatoum2022-01-051-0/+2
| | | | | | | | | | | | | | | To verify only Kconfig/Makefile is touched: git show --numstat --format=oneline HEAD | grep -v 'Kconfig\|Makefile' will print only arch/powerpc/Kbuild. To verify nothing unexpected is added: git show -U0 | grep '^-[^-]\|^+[^+]' | sort -u Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20220103120539.1730644-3-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* GUI: Add code to draw simple graphicsAndrey Smirnov2016-06-301-0/+1
| | | | | | | | Add code to draw simple graphics, namely lines(solid or dashed) and circles. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* gui: move gui file to include/gui and lib/guiJean-Christophe PLAGNIOL-VILLARD2012-10-041-0/+5
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>