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Correct the indentation in the switch statement in decodeACSuccessive in src/core/jpg.js

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Jonas Jenwald 2017-12-29 14:37:20 +01:00
parent 18d82d9c54
commit d6eed132e5
1 changed files with 41 additions and 41 deletions
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82
src/core/jpg.js
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@ -237,51 +237,51 @@ var JpegImage = (function JpegImageClosure() {
while (k <= e) {
var z = dctZigZag[k];
switch (successiveACState) {
case 0: // initial state
rs = decodeHuffman(component.huffmanTableAC);
s = rs & 15;
r = rs >> 4;
if (s === 0) {
if (r < 15) {
eobrun = receive(r) + (1 << r);
successiveACState = 4;
case 0: // initial state
rs = decodeHuffman(component.huffmanTableAC);
s = rs & 15;
r = rs >> 4;
if (s === 0) {
if (r < 15) {
eobrun = receive(r) + (1 << r);
successiveACState = 4;
} else {
r = 16;
successiveACState = 1;
}
} else {
r = 16;
successiveACState = 1;
if (s !== 1) {
throw new JpegError('invalid ACn encoding');
}
successiveACNextValue = receiveAndExtend(s);
successiveACState = r ? 2 : 3;
}
} else {
if (s !== 1) {
throw new JpegError('invalid ACn encoding');
continue;
case 1: // skipping r zero items
case 2:
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
} else {
r--;
if (r === 0) {
successiveACState = successiveACState === 2 ? 3 : 0;
}
}
successiveACNextValue = receiveAndExtend(s);
successiveACState = r ? 2 : 3;
}
continue;
case 1: // skipping r zero items
case 2:
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
} else {
r--;
if (r === 0) {
successiveACState = successiveACState === 2 ? 3 : 0;
break;
case 3: // set value for a zero item
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
} else {
component.blockData[offset + z] =
successiveACNextValue << successive;
successiveACState = 0;
}
}
break;
case 3: // set value for a zero item
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
} else {
component.blockData[offset + z] =
successiveACNextValue << successive;
successiveACState = 0;
}
break;
case 4: // eob
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
}
break;
break;
case 4: // eob
if (component.blockData[offset + z]) {
component.blockData[offset + z] += (readBit() << successive);
}
break;
}
k++;
}