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Let a script place an image

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images()  addImage()  setImageScale()  setImageRotation()  deleteImage()

addImage reads a file the way the "add image" tool does after its file
dialog and pushes the same AddGraphicsObjectCommand. The pixels are
copied into the project, which DiagramImageItem::toXml writes inline, so
the saved file does not refer to the original path: verified by moving the
source file away and reloading, where the image and its scale came back.
The price is that the project grows by about the size of the image, so
files over 10 MB are refused; so are unreadable files, non-images and
missing paths, each with its own reason.

Scaling sets both axes as one undo step. Images are addressed by index in
a position-sorted listing like texts and shapes, by the on-screen
bounding box -- so because an image turns and scales about its centre,
scaling or rotating one can change where it sorts, and the header says to
re-list after either. Observed: a 2x scale moved a listed top-left from
(100,100) to (68,84), which is that, not a displacement.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
ispyisail
2026-09-21 21:32:03 +12:00
parent 7f04bc1572
commit fc41cf9f5d
2 changed files with 159 additions and 0 deletions
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sources/scripting/qetscriptapi.h
+17
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@@ -30,6 +30,7 @@ class Terminal;
class Conductor;
class IndependentTextItem;
class QetShapeItem;
class DiagramImageItem;
/**
@brief The QetScriptApi class
@@ -173,6 +174,14 @@ class QetShapeItem;
because the application itself does it through direct project calls
and only the counter advance is on the undo stack; the numbering
actually applied to a conductor is.
- @b Images: place a picture from a file. The pixels are copied into
the project, which stores them inline in the .qet -- the saved file
does not refer to the original path, so it opens on another machine,
and it grows by roughly the size of the image, which is why files
over 10 MB are refused. Images are addressed by index in a
position-sorted listing, like texts and shapes -- by the on-screen
bounding box, so scaling or rotating an image, which turns about its
centre, can change where it sorts. Re-list after either.
- @b Navigating and @b messaging: select an element, zoom the active
view, and show the user a message. Deliberately narrow: selection and
messaging work with no view at all (headless `--run`); zoom is a no-op
@@ -309,6 +318,13 @@ class QetScriptApi : public QObject
Q_INVOKABLE bool removeAutoNum(const QString &kind, const QString &name);
Q_INVOKABLE bool useConductorAutoNum(int folioIndex, const QString &name);
// -- images, embedded in the project --
Q_INVOKABLE QStringList images(int folioIndex) const;
Q_INVOKABLE int addImage(int folioIndex, const QString &filePath, double x, double y);
Q_INVOKABLE bool setImageScale(int folioIndex, int imageIndex, double factor);
Q_INVOKABLE bool setImageRotation(int folioIndex, int imageIndex, double angle);
Q_INVOKABLE bool deleteImage(int folioIndex, int imageIndex);
// -- folios --
Q_INVOKABLE int addFolio();
Q_INVOKABLE bool setFolioTitle(int folioIndex, const QString &title);
@@ -338,6 +354,7 @@ class QetScriptApi : public QObject
const QString &caller);
QList<IndependentTextItem *> sortedTexts(int folioIndex) const;
QList<QetShapeItem *> sortedShapes(int folioIndex) const;
QList<DiagramImageItem *> sortedImages(int folioIndex) const;
IndependentTextItem *findText(int folioIndex, int textIndex, const QString &caller);
bool setInfoKey(int folioIndex, const QString &elementUuid,
const QString &key, const QString &value, const QString &caller);