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libragephoto: use zeroBuffer to improve efficiency

This commit is contained in:
Syping 2023-12-06 02:38:13 +01:00
parent 534d978e47
commit 6046b7213a
2 changed files with 18 additions and 54 deletions
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36
src/core/RagePhoto.c
View File

@ -760,9 +760,7 @@ bool ragephotodata_savef(RagePhotoData *rp_data, RagePhotoFormatParser *rp_parse
writeBuffer(uInt32Buffer, data, &pos, length, 4);
writeBuffer(photoHeader, data, &pos, length, photoHeader_size);
for (size_t i = photoHeader_size; i < 256; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, 256 - photoHeader_size);
#if __BYTE_ORDER == __LITTLE_ENDIAN
memcpy(uInt32Buffer, &rp_data->headerSum, 4);
@ -835,14 +833,10 @@ bool ragephotodata_savef(RagePhotoData *rp_data, RagePhotoFormatParser *rp_parse
return false;
}
writeBuffer(rp_data->jpeg, data, &pos, length, rp_data->jpegSize);
for (size_t i = rp_data->jpegSize; i < rp_data->jpegBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jpegBuffer - rp_data->jpegSize);
}
else {
for (size_t i = 0; i < rp_data->jpegBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jpegBuffer - rp_data->jpegSize);
}
pos = rp_data->jsonOffset + headerSize;
@ -862,14 +856,10 @@ bool ragephotodata_savef(RagePhotoData *rp_data, RagePhotoFormatParser *rp_parse
return false;
}
writeBuffer(rp_data->json, data, &pos, length, jsonString_size);
for (size_t i = jsonString_size; i < rp_data->jsonBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jsonBuffer - jsonString_size);
}
else {
for (size_t i = 0; i < rp_data->jsonBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jsonBuffer);
}
pos = rp_data->titlOffset + headerSize;
@ -889,14 +879,10 @@ bool ragephotodata_savef(RagePhotoData *rp_data, RagePhotoFormatParser *rp_parse
return false;
}
writeBuffer(rp_data->title, data, &pos, length, titlString_size);
for (size_t i = titlString_size; i < rp_data->titlBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->titlBuffer - titlString_size);
}
else {
for (size_t i = 0; i < rp_data->titlBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->titlBuffer);
}
pos = rp_data->descOffset + headerSize;
@ -916,14 +902,10 @@ bool ragephotodata_savef(RagePhotoData *rp_data, RagePhotoFormatParser *rp_parse
return false;
}
writeBuffer(rp_data->description, data, &pos, length, descString_size);
for (size_t i = descString_size; i < rp_data->descBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->descBuffer - descString_size);
}
else {
for (size_t i = 0; i < rp_data->descBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->descBuffer);
}
pos = rp_data->endOfFile + headerSize - 4;

36
src/core/RagePhoto.cpp
View File

@ -780,9 +780,7 @@ bool RagePhoto::save(char *data, uint32_t photoFormat, RagePhotoData *rp_data, R
writeBuffer(uInt32Buffer, data, &pos, length, 4);
writeBuffer(photoHeader, data, &pos, length, photoHeader_size);
for (size_t i = photoHeader_size; i < 256; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, 256 - photoHeader_size);
#if __BYTE_ORDER == __LITTLE_ENDIAN
memcpy(uInt32Buffer, &rp_data->headerSum, 4);
@ -854,14 +852,10 @@ bool RagePhoto::save(char *data, uint32_t photoFormat, RagePhotoData *rp_data, R
return false;
}
writeBuffer(rp_data->jpeg, data, &pos, length, rp_data->jpegSize);
for (size_t i = rp_data->jpegSize; i < rp_data->jpegBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jpegBuffer - rp_data->jpegSize);
}
else {
for (size_t i = 0; i < rp_data->jpegBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jpegBuffer - rp_data->jpegSize);
}
pos = rp_data->jsonOffset + headerSize;
@ -881,14 +875,10 @@ bool RagePhoto::save(char *data, uint32_t photoFormat, RagePhotoData *rp_data, R
return false;
}
writeBuffer(rp_data->json, data, &pos, length, jsonString_size);
for (size_t i = jsonString_size; i < rp_data->jsonBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jsonBuffer - jsonString_size);
}
else {
for (size_t i = 0; i < rp_data->jsonBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->jsonBuffer);
}
pos = rp_data->titlOffset + headerSize;
@ -908,14 +898,10 @@ bool RagePhoto::save(char *data, uint32_t photoFormat, RagePhotoData *rp_data, R
return false;
}
writeBuffer(rp_data->title, data, &pos, length, titlString_size);
for (size_t i = titlString_size; i < rp_data->titlBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->titlBuffer - titlString_size);
}
else {
for (size_t i = 0; i < rp_data->titlBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->titlBuffer);
}
pos = rp_data->descOffset + headerSize;
@ -935,14 +921,10 @@ bool RagePhoto::save(char *data, uint32_t photoFormat, RagePhotoData *rp_data, R
return false;
}
writeBuffer(rp_data->description, data, &pos, length, descString_size);
for (size_t i = descString_size; i < rp_data->descBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->descBuffer - descString_size);
}
else {
for (size_t i = 0; i < rp_data->descBuffer; i++) {
writeBuffer("\0", data, &pos, length, 1);
}
zeroBuffer(data, &pos, length, rp_data->descBuffer);
}
pos = rp_data->endOfFile + headerSize - 4;