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Move toUnsigned() to a Binary util class

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PR #3369 <https://github.com/Genymobile/scrcpy/pull/3369>
This commit is contained in:
Romain Vimont 2022-08-03 14:51:07 +02:00
parent 3a66b5fd01
commit 5b8e9aa0e9
2 changed files with 22 additions and 15 deletions
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15
server/src/main/java/com/genymobile/scrcpy/Binary.java Normal file
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@ -0,0 +1,15 @@
package com.genymobile.scrcpy;
public final class Binary {
private Binary() {
// not instantiable
}
public static int toUnsigned(short value) {
return value & 0xffff;
}
public static int toUnsigned(byte value) {
return value & 0xff;
}
}

22
server/src/main/java/com/genymobile/scrcpy/ControlMessageReader.java
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@ -103,7 +103,7 @@ public class ControlMessageReader {
if (buffer.remaining() < INJECT_KEYCODE_PAYLOAD_LENGTH) { if (buffer.remaining() < INJECT_KEYCODE_PAYLOAD_LENGTH) {
return null; return null;
} }
int action = toUnsigned(buffer.get()); int action = Binary.toUnsigned(buffer.get());
int keycode = buffer.getInt(); int keycode = buffer.getInt();
int repeat = buffer.getInt(); int repeat = buffer.getInt();
int metaState = buffer.getInt(); int metaState = buffer.getInt();
@ -136,11 +136,11 @@ public class ControlMessageReader {
if (buffer.remaining() < INJECT_TOUCH_EVENT_PAYLOAD_LENGTH) { if (buffer.remaining() < INJECT_TOUCH_EVENT_PAYLOAD_LENGTH) {
return null; return null;
} }
int action = toUnsigned(buffer.get()); int action = Binary.toUnsigned(buffer.get());
long pointerId = buffer.getLong(); long pointerId = buffer.getLong();
Position position = readPosition(buffer); Position position = readPosition(buffer);
// 16 bits fixed-point // 16 bits fixed-point
int pressureInt = toUnsigned(buffer.getShort()); int pressureInt = Binary.toUnsigned(buffer.getShort());
// convert it to a float between 0 and 1 (0x1p16f is 2^16 as float) // convert it to a float between 0 and 1 (0x1p16f is 2^16 as float)
float pressure = pressureInt == 0xffff ? 1f : (pressureInt / 0x1p16f); float pressure = pressureInt == 0xffff ? 1f : (pressureInt / 0x1p16f);
int buttons = buffer.getInt(); int buttons = buffer.getInt();
@ -162,7 +162,7 @@ public class ControlMessageReader {
if (buffer.remaining() < BACK_OR_SCREEN_ON_LENGTH) { if (buffer.remaining() < BACK_OR_SCREEN_ON_LENGTH) {
return null; return null;
} }
int action = toUnsigned(buffer.get()); int action = Binary.toUnsigned(buffer.get());
return ControlMessage.createBackOrScreenOn(action); return ControlMessage.createBackOrScreenOn(action);
} }
@ -170,7 +170,7 @@ public class ControlMessageReader {
if (buffer.remaining() < GET_CLIPBOARD_LENGTH) { if (buffer.remaining() < GET_CLIPBOARD_LENGTH) {
return null; return null;
} }
int copyKey = toUnsigned(buffer.get()); int copyKey = Binary.toUnsigned(buffer.get());
return ControlMessage.createGetClipboard(copyKey); return ControlMessage.createGetClipboard(copyKey);
} }
@ -198,16 +198,8 @@ public class ControlMessageReader {
private static Position readPosition(ByteBuffer buffer) { private static Position readPosition(ByteBuffer buffer) {
int x = buffer.getInt(); int x = buffer.getInt();
int y = buffer.getInt(); int y = buffer.getInt();
int screenWidth = toUnsigned(buffer.getShort()); int screenWidth = Binary.toUnsigned(buffer.getShort());
int screenHeight = toUnsigned(buffer.getShort()); int screenHeight = Binary.toUnsigned(buffer.getShort());
return new Position(x, y, screenWidth, screenHeight); return new Position(x, y, screenWidth, screenHeight);
} }
private static int toUnsigned(short value) {
return value & 0xffff;
}
private static int toUnsigned(byte value) {
return value & 0xff;
}
} }