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efi_console / UEFI applications (grub2, sd-boot, ...) pass UTF-8
character sequences to vidconsole which results in wrong glyphs for code
points outside of ASCII. The truetype console expects Unicode code
points and bitmap font based consoles expect code page 437 code points.
To support both convert UTF-8 to UTF-32 and pass Unicode code points in
vidconsole_ops.putc_xy(). These can be used directly in console_truetype
and after conversion to code page 437 in console_{normal,rotate}.
This fixes rendering of international, symbol and box drawing characters
used by UEFI applications.
Signed-off-by: Janne Grunau <[email protected]>
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Add rudimentary support for displaying a cursor on a vidconsole. This
helps the user to see where text is being entered.
The implementation so far is very simple: the cursor is just a vertical
bar of fixed width and cannot be erased. To erase the cursor, the text
must be redrawn over it.
This is good enough for expo but will need enhancement to be useful for
the command-line console. For example, it could save and restore the
area behind the cursor.
For now, enable this only for expo, to reduce code size.
Signed-off-by: Simon Glass <[email protected]>
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Allow font size configuration at runtime for console_simple.c
driver. This needed for unit testing different fonts.
Configuring is done by `font` command, also used for font
selection in true type console.
Signed-off-by: Dzmitry Sankouski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This needed for unit testing different fonts.
Configured fonts are placed in an array of fonts.
First font is selected by default upon console probe.
Signed-off-by: Dzmitry Sankouski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
[agust: fixed build error when bmp logo disabled]
Signed-off-by: Anatolij Gustschin <[email protected]>
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Devices with high ppi may benefit from wider fonts.
Current width implementation is limited by 1 byte, i.e. 8 bits.
New version iterates VIDEO_FONT_BYTE_WIDTH times, to process all
width bytes, thus allowing fonts wider than 1 byte.
Signed-off-by: Dzmitry Sankouski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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- move common code to vidconsole_internal.h and console_core.c
- unite probe functions
- get rid of code duplications in switch across bpp values
- extract common pixel fill logic in two functions one per
horizontal and vertical filling
- rearrange statements in put_xy* methods in unified way
- replace types - uint*_t to u*
Signed-off-by: Dzmitry Sankouski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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