Initial project import
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Apache License
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Version 2.0, January 2004
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http://www.apache.org/licenses/
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Copyright 2026 Matthew Mcclung
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at the URL above.
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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# Agila open components
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These standalone components are intentionally independent of proprietary Agila OS internals and may be considered for use in Agila Linux or other projects.
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- `audio/` — basic waveform helpers
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- `font/` — bitmap font data identified by the original package as public domain
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These files use the Apache License 2.0 except where a file states a different compatible license.
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// Standalone waveform helpers. Apache-2.0 licensed.
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module agila_open_audio
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import math
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pub fn sine_wave(sample_rate int, frequency f64, duration f64, amplitude f64) []i16 {
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if sample_rate <= 0 || frequency <= 0 || duration <= 0 {
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return []i16{}
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}
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count := int(f64(sample_rate) * duration)
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mut samples := []i16{cap: count}
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for i in 0 .. count {
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t := f64(i) / f64(sample_rate)
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value := math.sin(2.0 * math.pi * frequency * t) * amplitude
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samples << i16(value)
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}
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return samples
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}
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// font5x7.fv - 8x8 bitmap font (ASCII 32-126)
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module agila
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const font5x7 = [u8(0x00), 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x40, 0x78, 0xc8, 0x5c, 0x08, 0x00, 0x00, 0x00, 0x00, 0x98, 0xa8, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x08, 0x34, 0x68, 0xa0, 0x40, 0x00, 0x00, 0x00, 0x60, 0x9c, 0xa4, 0xc0, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0xf8, 0x20, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x30, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0x84, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0xfc, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc4, 0xa4, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0xa4, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x50, 0x4c, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x94, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xa4, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x64, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xa4, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x94, 0x94, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x50, 0x50, 0x50, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xb4, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x70, 0x0c, 0x94, 0x94, 0x70, 0x00, 0x00, 0x00, 0x80, 0x78, 0x4c, 0x70, 0x80, 0x00, 0x00, 0x00, 0x00, 0x94, 0x94, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x84, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x84, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x94, 0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x14, 0x14, 0x00, 0x00, 0x00, 0x00, 0x30, 0xcc, 0x84, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0xfc, 0x84, 0x00, 0x00, 0x00, 0x00, 0x80, 0x84, 0x84, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x38, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x08, 0x10, 0x0c, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x08, 0x20, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x30, 0xcc, 0x84, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x14, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x30, 0xcc, 0x84, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x14, 0x6c, 0x80, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x84, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0xfc, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x80, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x04, 0x30, 0xc0, 0x38, 0x00, 0x00, 0x00, 0x00, 0x1c, 0xc0, 0x30, 0xc0, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x48, 0x30, 0x4c, 0x00, 0x00, 0x00, 0x00, 0x04, 0x08, 0xf0, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc4, 0x84, 0x8c, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x60, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x08, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb0, 0xb0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x90, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x90, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb8, 0xa8, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0xfe, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x10, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0xfc, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x10, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x20, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xfc, 0x80, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x10, 0xf0, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x10, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x90, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x90, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x90, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x90, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x80, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x80, 0x30, 0x00, 0x00, 0x00, 0x00, 0x30, 0xc0, 0x60, 0xc0, 0x10, 0x00, 0x00, 0x00, 0x00, 0x90, 0x60, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xde, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xdc, 0x20, 0x00, 0x00, 0x00, 0x00, 0x20, 0x10, 0x20, 0x40, 0x00, 0x00, 0x00, 0x00]
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pub fn glyph5x7(ch rune) []u8 {
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code := int(ch) - 32
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if code < 0 || code > 94 {
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return font5x7[0..8] // space
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}
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off := code * 8
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return font5x7[off..off+8]
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}
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