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image: implement local filesystem transmission
Implement transmission over a local filesystem, by file, temp file, or
shared mem.
+61
+6
src/Image.zig
+6
src/Image.zig
+55
src/Vaxis.zig
+55
src/Vaxis.zig
···
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return result;
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}
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+
/// Transmit an image using the local filesystem. Allocates only for base64 encoding
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pub fn transmitLocalImagePath(
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self: *Vaxis,
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allocator: std.mem.Allocator,
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tty: AnyWriter,
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payload: []const u8,
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height: usize,
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width: usize,
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medium: Image.TransmitMedium,
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format: Image.TransmitFormat,
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) !Image {
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defer self.next_img_id += 1;
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+
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const id = self.next_img_id;
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const size = base64Encoder.calcSize(payload.len);
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if (size >= 4096) return error.PathTooLong;
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const buf = try allocator.alloc(u8, size);
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const encoded = base64Encoder.encode(buf, payload);
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defer allocator.free(buf);
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+
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const medium_char: u8 = switch (medium) {
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.file => 'f',
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.temp_file => 't',
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.shared_mem => 's',
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};
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switch (format) {
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.rgb => {
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try tty.print(
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"\x1b_Gf=24,s={d},v={d},i={d},t={c};{s}\x1b\\",
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.{ width, height, id, medium_char, encoded },
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);
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},
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.rgba => {
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try tty.print(
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"\x1b_Gf=32,s={d},v={d},i={d},t={c};{s}\x1b\\",
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.{ width, height, id, medium_char, encoded },
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);
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},
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.png => {
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try tty.print(
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"\x1b_Gf=100,i={d},t={c};{s}\x1b\\",
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.{ id, medium_char, encoded },
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);
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},
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}
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return .{
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.id = id,
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.width = width,
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.height = height,
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};
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}
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+
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/// Transmit an image which has been pre-base64 encoded
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pub fn transmitPreEncodedImage(
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self: *Vaxis,