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Drop picture files on a folio to add them

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Picture files (png, jpg, bmp, svg) dragged from the file manager onto a
folio are added there: the first centred on the drop point, the others
cascaded from it, and one undo step removes them all. A picture larger
than the visible part of the folio is scaled down to fit it. Files that
cannot be used are listed once after the others have been placed, and a
drop holding only other files (a .qet project) still reaches the main
window, which opens it.

The checks a picture must pass before it is embedded in the project
move into ImageDrop::load and are now shared by the drop, the add image
dialog and the script API: a regular file of at most 10 MB, and at most
64 megapixels, read from the header before any pixel is allocated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Beat Hangartner
2026-10-04 19:01:05 +02:00
parent e89c69719a
commit 034013ff67
9 changed files with 447 additions and 18 deletions
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sources/scripting/qetscriptapi.cpp
+6 -13
View File
@@ -29,6 +29,7 @@
#include "../diagramcontent.h"
#include "../diagramview.h"
#include "../factory/elementfactory.h"
#include "../imagedrop.h"
#include "../factory/qetgraphicstablefactory.h"
#include "../factory/ui/addtabledialog.h"
#include "../qet.h"
@@ -3437,20 +3438,12 @@ int QetScriptApi::addImage(int folioIndex, const QString &filePath, double x, do
const QList<Diagram *> diagrams = m_project->diagrams();
if (folioIndex < 0 || folioIndex >= diagrams.count()) return -1;
const QFileInfo info(filePath);
if (!info.isFile()) {
log(QStringLiteral("qet.addImage: '%1' is not a file").arg(filePath));
return -1;
}
constexpr qint64 max_bytes = 10LL * 1024 * 1024;
if (info.size() > max_bytes) {
log(QStringLiteral("qet.addImage: '%1' is %2 bytes; images are embedded in the project, "
"so files over 10 MB are refused").arg(filePath).arg(info.size()));
return -1;
}
const QImage image(filePath);
// Same checks as a picture dropped on a folio: a regular file of at
// most 10 MB (it is embedded in the project) and a bounded pixel count.
QString error;
const QImage image = ImageDrop::load(filePath, &error);
if (image.isNull()) {
log(QStringLiteral("qet.addImage: '%1' could not be read as an image").arg(filePath));
log(QStringLiteral("qet.addImage: '%1': %2").arg(filePath, error));
return -1;
}