For laying out text accurately it is necessary to know the width and
height of the text. Add a measure() method to the console API, so this
can be supported.
Add an implementation for truetype and a base implementation for the
normal console.
Signed-off-by: Simon Glass <sjg@chromium.org>
It is sometimes necessary to highlight some text in a different colour.
Add an easy way to do this and then restore the original console colours.
Signed-off-by: Simon Glass <sjg@chromium.org>
It is better to clear the console device rather than the video device,
since the console has the text display. We also need to reset the cursor
position with the console, but not with the video device.
Add a new function to handle this and update the 'cls' command to use it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Since multiple vidconsole drivers exists, vidconsole_get_font_size()
implementation cannot longer live in vidconsole_uclass.c file.
Move current vidconsole_get_font_size logic to truetype driver ops.
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
- 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 <dsankouski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Support for fonts currently depends on the type of vidconsole in use. Add
two new methods to enumerate fonts and to set the font.
Fix a few other method comments while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add a new 'font' command which allows the fonts to be listed as well as
selecting a different font and size.
Allow the test to run on sandbox, where multiple font/size combinations
are supported, as well as sandbox_flattree, where they are not.
Signed-off-by: Simon Glass <sjg@chromium.org>
It is useful to be able to support multiple fonts. Add a function to
handle this as well as one to list the available fonts.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add an exported function which allows the cursor position to be set to
pixel granularity. Make use of this in the existing code.
Signed-off-by: Simon Glass <sjg@chromium.org>
At present these are attached to vidconsole which means that the video
uclass requires that a console is enabled. This is not the intention.
The colours are a reasonable way of indexing common colours in any case,
so move them to the video uclass instead.
Rename vid_console_color() to video_index_to_colour() now that it is more
generic. Also fix the inconsistent spelling in these functions.
Signed-off-by: Simon Glass <sjg@chromium.org>
Add a convenience function to call video_sync_copy() for a vidconsole.
Also add a memmove() helper, which does the memmove() as well as the sync.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
All of the functions in this file only apply if DM_VIDEO is enabled. Drop
the #ifdef as it just clutters things up. Add the needed forward
declaration.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Pull the vidconsole_put_string() function from DM tests, make it
available to e.g. boards that want to display information on the
LCD on boot.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
The EFI subsystems needs to know the size of the terminal. If the
environment variable
stdout = serial,vidconsole
this size cannot be read from the video console. So the EFI subsystem
sends escape sequences to read the size. With this patch we get support
for the following escape sequences:
ESC "7" Save cursor position
ESC "8" Restore cursor position
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
Support special rendition code 0 - reset attributes.
Support special rendition code 1 - increased intensity (bold).
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Use constants to refer to colors.
Adjust initialization of foreground and background color to avoid
setting reserved bits.
Consistently u32 instead of unsigned for color bit mask.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Really just the subset that is needed by efi_console. Perhaps more will
be added later, for example color support would be useful to implement
efi_cout_set_attribute().
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
With proportional fonts the vidconsole uclass cannot itself erase the
previous character. Provide an optional method so that the driver can
handle this operation.
Signed-off-by: Simon Glass <sjg@chromium.org>
When we start a new line (due to the user pressing return), signal this to
the driver so that it can flush its buffer of character positions.
Signed-off-by: Simon Glass <sjg@chromium.org>
Allow the left margin to be set so that text does not have to be right up
against the left side. On some panels this makes it hard to read.
Signed-off-by: Simon Glass <sjg@chromium.org>
With anti-aliased fonts we need a more fine-grained horizontal position
than a single pixel. Characters can be positioned to start part-way through
a pixel, with anti-aliasing (greyscale edges) taking care of the visual
effect.
To cope with this, use fractional units (1/256 pixel) for horizontal
positions in the text console.
Signed-off-by: Simon Glass <sjg@chromium.org>
[agust: rebased]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
The existing LCD/video interface suffers from conflating the bitmap display
with text output on that display. As a result the implementation is more
complex than it needs to me.
We can support multiple text console drivers. Create a separate uclass to
support this, with its own API.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
