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export: move initialization/resetting of profile out of loop

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When multiple profiles were exported, for every exported image
the profile-widget was switched to/from print mode.

Move this out of the loop, i.e. initialize and reset the profile
only once. This should slightly speed up export, but not by a lot,
since most of the time is spent by compressing the PNGs.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2021-04-07 13:49:19 +02:00 committed by Dirk Hohndel
parent 8f0e2245c2
commit 60b82de058
1 changed files with 26 additions and 13 deletions
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39
backend-shared/exportfuncs.cpp
View file

@ -35,23 +35,33 @@ bool ExportCallback::canceled() const
#include "desktop-widgets/mainwindow.h" // Currently needed for profile printing. TODO: remove.
static void exportProfile(const struct dive *dive, const QString filename)
static void exportProfile(ProfileWidget2 *profile, const struct dive *dive, const QString &filename)
{
ProfileWidget2 *profile = MainWindow::instance()->graphics;
profile->setToolTipVisibile(false);
profile->setPrintMode(true);
double scale = profile->getFontPrintScale();
profile->setFontPrintScale(4 * scale);
profile->plotDive(dive, 0, false, true);
QImage image = QImage(profile->size() * 4, QImage::Format_RGB32);
QPainter paint;
paint.begin(&image);
profile->render(&paint);
image.save(filename);
}
static ProfileWidget2 *getPrintProfile()
{
ProfileWidget2 *profile = MainWindow::instance()->graphics;
profile->setToolTipVisibile(false);
profile->setPrintMode(true);
double scale = profile->getFontPrintScale();
profile->setFontPrintScale(4 * scale);
return profile;
}
static void resetProfile()
{
ProfileWidget2 *profile = MainWindow::instance()->graphics;
profile->setToolTipVisibile(true);
profile->setFontPrintScale(scale);
profile->setFontPrintScale(1.0);
profile->setPrintMode(false);
profile->plotDive(dive, 0, true); // TODO: Shouldn't this plot the current dive?
profile->plotDive(current_dive, 0, true);
}
void exportProfile(QString filename, bool selected_only, ExportCallback &cb)
@ -65,18 +75,19 @@ void exportProfile(QString filename, bool selected_only, ExportCallback &cb)
int todo = selected_only ? amount_selected : dive_table.nr;
int done = 0;
ProfileWidget2 *profile = getPrintProfile();
for_each_dive (i, dive) {
if (cb.canceled())
return;
if (selected_only && !dive->selected)
continue;
cb.setProgress(done++ * 1000 / todo);
if (count)
exportProfile(dive, fi.path() + QDir::separator() + fi.completeBaseName().append(QString("-%1.").arg(count)) + fi.suffix());
else
exportProfile(dive, filename);
QString fn = count ? fi.path() + QDir::separator() + fi.completeBaseName().append(QString("-%1.").arg(count)) + fi.suffix()
: filename;
exportProfile(profile, dive, fn);
++count;
}
resetProfile();
}
void export_TeX(const char *filename, bool selected_only, bool plain, ExportCallback &cb)
@ -134,13 +145,14 @@ void export_TeX(const char *filename, bool selected_only, bool plain, ExportCall
int todo = selected_only ? amount_selected : dive_table.nr;
int done = 0;
ProfileWidget2 *profile = getPrintProfile();
for_each_dive (i, dive) {
if (cb.canceled())
return;
if (selected_only && !dive->selected)
continue;
cb.setProgress(done++ * 1000 / todo);
exportProfile(dive, texdir.filePath(QString("profile%1.png").arg(dive->number)));
exportProfile(profile, dive, texdir.filePath(QString("profile%1.png").arg(dive->number)));
struct tm tm;
utc_mkdate(dive->when, &tm);
@ -261,6 +273,7 @@ void export_TeX(const char *filename, bool selected_only, bool plain, ExportCall
put_format(&buf, "\\%spage\n", ssrf);
}
resetProfile();
if (plain)
put_format(&buf, "\\bye\n");