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View Code? Open in Web Editor NEWA Java display and layout library for displaying to LED matrix signs, targeting HUB 75's on Raspberry Pi's.
License: GNU General Public License v3.0
A Java display and layout library for displaying to LED matrix signs, targeting HUB 75's on Raspberry Pi's.
License: GNU General Public License v3.0
It might be useful to convert to greyscale for clarity. Take the brightness of each pixel and just create an RGB of a shade of white.
From https://stackoverflow.com/questions/14330/rgb-to-monochrome-conversion:
mono = (0.2125 * color.r) + (0.7154 * color.g) + (0.0721 * color.b);
Like brightness it will need to buffer it's original pixels.
Display a static image in a Displayable.
Add a layout component which scales the size of the child.
Given that a Canvas can have things added and removed, a Book also should have this privilege. It will allow pages to be removed dynamically without rewiring the entire render tree.
Make a Java GUI which would display updates.
Convert text to pixels, obvious enough.
Like PixelPusher there are no tests surrounding the Seraph output protocol.
Virtual layout is a bigger area then the parent can display with a view port which can be moved around. This may be helpful for the scrolling feature.
Consider adding wrapping, i.e. if you display past the right we show the left columns.
The PixelPusher output has no tests, write two tests for partial frame update and key frame updates.
Font's when rendered do not obey DWIDTH and as such some fonts display incorrectly.
The PixelPusher output has no tests, write two tests for partial frame update and key frame updates.
Allow stacking of displayables on top of each other. Rendering top down, if a layers pixel is (0,0,0) then the next layer below checked, all the way down.
This allows animations and other effects to play on top of others.
When rendering a font of different height characters they are all rendered justified against the top of the text area.
Create a Displayable which creates a bigger area then it's parent, the layout can then manually scroll the display by shifting it's view over the whole area.
If a page updates the same pixels as the pagination indicators they will be wiped out.
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