Mirrors/overte-lubosz
3
0
Fork 0
mirror of https://github.com/lubosz/overte.git synced 2025-04-15 19:47:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #13418 from zfox23/MS16052_PNG50

Browse source 
Implement MS16052: Use quality '50' when saving PNG Snapshots
This commit is contained in:
Zach Fox 2018-06-19 11:52:10 -07:00 committed by GitHub
commit 1ea3b85a5d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
interface/src/ui/Snapshot.cpp
View file

@ -365,15 +365,23 @@ QFile* Snapshot::savedFileForSnapshot(QImage& shot,
// DON'T append ".jpg" to the filename. QT will save the image in the format associated with the
// filename's suffix.
// If you want lossless Snapshots, supply a `.png` filename. Otherwise, use `.jpeg` or `.jpg`.
// For PNGs, we use a "quality" of "50". The output image quality is the same as "100"
// is the same as "0" -- the difference lies in the amount of compression applied to the PNG,
// which slightly affects the time it takes to save the image.
// Otherwise, ".jpg" is appended to the user's requested filename so that the image is saved in JPG format.
// If the user hasn't supplied a specific filename for the snapshot:
// Save the snapshot in JPG format according to FILENAME_PATH_FORMAT
// Save the snapshot in JPG format at "100" quality according to FILENAME_PATH_FORMAT
int imageQuality = 100;
QString filename;
if (!userSelectedFilename.isNull()) {
QFileInfo snapshotFileInfo(userSelectedFilename);
QString userSelectedFilenameSuffix = snapshotFileInfo.suffix();
userSelectedFilenameSuffix = userSelectedFilenameSuffix.toLower();
if (SUPPORTED_IMAGE_FORMATS.contains(userSelectedFilenameSuffix)) {
filename = userSelectedFilename;
if (userSelectedFilenameSuffix == "png") {
imageQuality = 50;
}
} else {
filename = userSelectedFilename + ".jpg";
}
@ -381,8 +389,6 @@ QFile* Snapshot::savedFileForSnapshot(QImage& shot,
filename = FILENAME_PATH_FORMAT.arg(username, now.toString(DATETIME_FORMAT));
}
const int IMAGE_QUALITY = 100;
if (!isTemporary) {
// If user has requested specific path then use it, else use the application value
QString snapshotFullPath;
@ -432,7 +438,7 @@ QFile* Snapshot::savedFileForSnapshot(QImage& shot,
imageFile = new QFile(snapshotFullPath);
}
shot.save(imageFile, 0, IMAGE_QUALITY);
shot.save(imageFile, 0, imageQuality);
imageFile->close();
return imageFile;
@ -447,7 +453,7 @@ QFile* Snapshot::savedFileForSnapshot(QImage& shot,
}
imageTempFile->setAutoRemove(isTemporary);
shot.save(imageTempFile, 0, IMAGE_QUALITY);
shot.save(imageTempFile, 0, imageQuality);
imageTempFile->close();
return imageTempFile;