https://bugs.kde.org/show_bug.cgi?id=412083
caulier.gil...@gmail.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |caulier.gil...@gmail.com --- Comment #5 from caulier.gil...@gmail.com --- You use the white balance plugin where the code is located here and it use ImageRegionWidget to render the canvas : https://invent.kde.org/kde/digikam/blob/master/core/dplugins/editor/colors/whitebalance/whitebalancetool.cpp#L93 Code from this widget is common to plenty of Editor tools. Code is here : https://invent.kde.org/kde/digikam/blob/master/core/utilities/imageeditor/widgets/imageregionwidget.cpp#L82 It's based on Qt GraphicView and use this item implementation to render contents on the canvas with paint() and paintExtraData() : https://invent.kde.org/kde/digikam/blob/master/core/utilities/imageeditor/widgets/imageregionitem.cpp#L111 https://invent.kde.org/kde/digikam/blob/master/core/utilities/imageeditor/widgets/imageregionitem.cpp#L188 This last method draw the preview modes "before/after/mouse-over"... Gilles Caulier -- You are receiving this mail because: You are watching all bug changes.