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Add commenting to AnimeImage to help with GA402

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This commit is contained in:
Luke D. Jones
2022-07-13 21:17:10 +12:00
parent a2c8a226a4
commit e66847c263
4 changed files with 41 additions and 11 deletions
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33
rog-anime/src/image.rs
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@@ -99,6 +99,11 @@ impl AnimeImage {
// TODO: Convert functions back to const after todo completed
/// Scale ratio in CM
///
/// This is worked out by measuring the pyhsical width of the display, then dividing by
/// `<horizontal LED count> + 0.5`, where the LED count is first/longest row.
///
/// For GA401 this is `26.8 / (33 + 0.5) = 0.8`
fn scale_x(anime_type: AnimeType) -> f32 {
match anime_type {
AnimeType::GA401 => 0.8,
@@ -107,6 +112,11 @@ impl AnimeImage {
}
/// Scale ratio in CM
///
/// This is worked out by measuring the pyhsical height of the display, then dividing by
/// `<vertical LED count> + 1.0`, where the LED count is first/longest row.
///
/// For GA401 this is `16.5 / (54.0 + 1.0) = 0.3`
fn scale_y(anime_type: AnimeType) -> f32 {
match anime_type {
AnimeType::GA401 => 0.3,
@@ -115,24 +125,33 @@ impl AnimeImage {
}
/// Get the starting X position for the data we actually require when writing
/// it out to LEDs
/// it out to LEDs.
///
/// In relation to the display itself you should think of it as a full square grid, so `first_x`
/// is the x position on that grid where the LED is actually positioned in relation to the Y.
fn first_x(anime_type: AnimeType, y: u32) -> u32 {
match anime_type {
AnimeType::GA401 => {
if y < 5 {
// first 5 rows for GA401 are always at X = 0
return 0;
}
(y + 1) / 2 - 3
}
// The GA402 has different number of rows with consistent length and
// row lengths and may need new offset formula
AnimeType::GA402 => todo!("GA402R series AnimeImage positions not completed"),
}
}
/// Width in LED count
///
/// This is how many LED's are physically in a row
fn width(anime_type: AnimeType, y: u32) -> u32 {
match anime_type {
AnimeType::GA401 => {
if y < 5 {
// First 5 rows for GA401 are always 33 physical LEDs long
return 33;
}
36 - (y + 1) / 2
@@ -144,12 +163,13 @@ impl AnimeImage {
/// Physical display width
fn phys_width(anime_type: AnimeType) -> f32 {
match anime_type {
AnimeType::GA401 => (32.0 - -0.5 + 1.0) * Self::scale_x(anime_type),
// 33.0 = Longest row LED count (physical) plus half-pixel offset
AnimeType::GA401 => (33.0 + 0.5) * Self::scale_x(anime_type),
AnimeType::GA402 => todo!("GA402R series AnimeImage positions not completed"),
}
}
/// Height in LED count
/// Height in LED count of longest column (physical)
fn height(anime_type: AnimeType) -> u32 {
match anime_type {
AnimeType::GA401 => 55,
@@ -160,7 +180,9 @@ impl AnimeImage {
/// Physical display height
fn phys_height(anime_type: AnimeType) -> f32 {
match anime_type {
// 54.0 = End column LED count (physical) plus one dead pixel
AnimeType::GA401 => (54.0 + 1.0) * Self::scale_y(anime_type),
// GA402 may not have dead pixels and require only the physical LED count
AnimeType::GA402 => todo!("GA402R series AnimeImage positions not completed"),
}
}
@@ -170,7 +192,7 @@ impl AnimeImage {
match anime_type {
AnimeType::GA401 => match y {
0 | 2 | 4 => 33,
1 | 3 => 35,
1 | 3 => 35, // Some rows are padded
_ => 36 - y / 2,
},
AnimeType::GA402 => todo!("GA402R series AnimeImage positions not completed"),
@@ -187,12 +209,13 @@ impl AnimeImage {
match anime_type {
AnimeType::GA401 => (0..AnimeImage::height(anime_type))
.flat_map(|y| {
// For each row (Y) get actual length
(0..AnimeImage::pitch(anime_type, y)).map(move |l| {
if l < AnimeImage::width(anime_type, y) {
let x = AnimeImage::first_x(anime_type, y) + l;
Some(Led::new(x as f32 - 0.5 * (y % 2) as f32, y as f32))
} else {
None
None // dead pixels to the left
}
})
})