@yume-chan/scrcpy/esm/options/1_25/scroll.js

TypeScript implementation of Scrcpy.

import { getInt16 } from "@yume-chan/no-data-view";
import Struct, { NumberFieldDefinition } from "@yume-chan/struct";
import { ScrcpyControlMessageType } from "../../control/index.js";
import { clamp } from "../1_16/index.js";
export const ScrcpySignedFloatNumberVariant = {
    size: 2,
    signed: true,
    deserialize(array, littleEndian) {
        const value = getInt16(array, 0, littleEndian);
        // https://github.com/Genymobile/scrcpy/blob/1f138aef41de651668043b32c4effc2d4adbfc44/server/src/main/java/com/genymobile/scrcpy/Binary.java#L34
        return value === 0x7fff ? 1 : value / 0x8000;
    },
    serialize(dataView, offset, value, littleEndian) {
        // https://github.com/Genymobile/scrcpy/blob/1f138aef41de651668043b32c4effc2d4adbfc44/app/src/util/binary.h#L65
        value = clamp(value, -1, 1);
        value = value === 1 ? 0x7fff : value * 0x8000;
        dataView.setInt16(offset, value, littleEndian);
    },
};
const ScrcpySignedFloatFieldDefinition = new NumberFieldDefinition(ScrcpySignedFloatNumberVariant);
export const ScrcpyInjectScrollControlMessage1_25 = new Struct()
    .uint8("type", ScrcpyControlMessageType.InjectScroll)
    .uint32("pointerX")
    .uint32("pointerY")
    .uint16("screenWidth")
    .uint16("screenHeight")
    .field("scrollX", ScrcpySignedFloatFieldDefinition)
    .field("scrollY", ScrcpySignedFloatFieldDefinition)
    .int32("buttons");
export class ScrcpyScrollController1_25 {
    serializeScrollMessage(message) {
        return ScrcpyInjectScrollControlMessage1_25.serialize(message);
    }
}
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