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* [FIX] Sort ymin/ymax in range label to ensure correct inequality * [FIX] Use abs() for delta-y to prevent negative range width
…eItem (#57) Compute the snapshot "Original size" from pixel coordinates instead of axis units, via the new helper compute_image_items_original_size(). This fixes: - negative dimensions when X or Y axis is reversed - wrong size for XYImageItem (and any non-uniformly scaled item) - ValueError raised by the resize dialog on negative selections Also harden compute_trimageitems_original_size() against negative source sizes, and add unit tests covering all reported cases.
…than plotted images in ImageItem and XYImageItem Ref. #57
Follow-up to the initial #57 fix Co-authored-by: Copilot <copilot@github.com>
Closes #58 Co-authored-by: Copilot <copilot@github.com>
Closes #59 Move the Z-axis logarithmic scale API (`get_zaxis_log_state` / `set_zaxis_log_state`, along with `_log_data`, `_lin_lut_range` and `_is_zaxis_log` attributes) from `ImageItem` up to `BaseImageItem`, so that all image item types (`XYImageItem`, `MaskedImageItem`, `MaskedXYImageItem`, `TrImageItem`, `RGBImageItem`) inherit it. Update `XYImageItem.draw_image` and `TrImageItem.draw_image` to use `_log_data` when log mode is active, like `ImageItem` already did. Loosen the `ZAxisLogTool` filter from `isinstance(item, ImageItem)` to `isinstance(item, BaseImageItem)`. The existing `hasattr` check keeps the filter safe for any custom item. Previously, the tool was always disabled when the plot only contained `XYImageItem`-derived items (e.g. `MaskedXYImageItem` used by DataLab). Co-authored-by: Copilot <copilot@github.com>
…nge in log mode Assisted-by: Claude Opus 4.7
Update cached log data in ImageItem.set_data()
fix/55-deltacursory
# Conflicts: # plotpy/locale/fr/LC_MESSAGES/plotpy.po
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