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backend_qt: new method save_as_memfile() to save as

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`BARCODE_MEMORY_FILE` and use in GUI for pasting to clipboard
  instead of creating temporary file
CLI: allow fully case-insensitive "tiff" as filetype (saved as
  ".tif"), processing up to 4-letter extensions and hopefully
  making filetype handling more expected;
  simplify `validate_float()` (unneeded 2nd fractional max test);
  add some more internal "--test" tests
BWIPP: update to latest (change from ctx to global VM) - zint tests
  work as-is, no change
This commit is contained in:
gitlost
2025-12-29 17:46:24 +00:00
parent a3f6c75bc0
commit b434202817
7 changed files with 303 additions and 41 deletions
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30
frontend_qt/mainwindow.cpp
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@@ -1518,8 +1518,10 @@ void MainWindow::copy_to_clipboard_emf()
void MainWindow::copy_to_clipboard_eps()
{
#ifdef MAINWINDOW_COPY_EPS
// TODO: try other possibles application/eps, application/x-eps, image/eps, image/x-eps
copy_to_clipboard(QSL(".zint.eps"), QSL("EPS"), "application/postscript");
#endif
}
void MainWindow::copy_to_clipboard_gif()
@@ -1529,8 +1531,10 @@ void MainWindow::copy_to_clipboard_gif()
void MainWindow::copy_to_clipboard_pcx()
{
#ifdef MAINWINDOW_COPY_PCX
// TODO: try other mime types in various apps
copy_to_clipboard(QSL(".zint.pcx"), QSL("PCX"), "image/x-pcx");
#endif
}
void MainWindow::copy_to_clipboard_png()
@@ -3584,30 +3588,22 @@ void MainWindow::copy_to_clipboard(const QString &filename, const QString& name,
{
QClipboard *clipboard = QGuiApplication::clipboard();
if (!m_bc.bc.save_to_file(filename)) {
QByteArray data;
if (!m_bc.bc.save_to_memfile(filename, data)) {
return;
}
QMimeData *mdata = new QMimeData;
if (mimeType) {
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
delete mdata;
} else {
mdata->setData(mimeType, file.readAll());
file.close();
clipboard->setMimeData(mdata, QClipboard::Clipboard);
/*: %1 is format (BMP/EMF etc) */
statusBar->showMessage(tr("Copied to clipboard as %1").arg(name), 0 /*No timeout*/);
}
mdata->setData(mimeType, data);
} else {
mdata->setImageData(QImage(filename));
clipboard->setMimeData(mdata, QClipboard::Clipboard);
/*: %1 is format (BMP/EMF etc) */
statusBar->showMessage(tr("Copied to clipboard as %1").arg(name), 0 /*No timeout*/);
QImage img;
img.loadFromData(data);
mdata->setImageData(img);
}
QFile::remove(filename);
clipboard->setMimeData(mdata, QClipboard::Clipboard);
/*: %1 is format (BMP/EMF etc) */
statusBar->showMessage(tr("Copied to clipboard as %1").arg(name), 0 /*No timeout*/);
}
void MainWindow::errtxtBar_clear()