- Painting the canvas is done by overlaying the multiple layers.
- Drawing each overlay is implemented as polymorphism of OOP.
- Refine the Undo/Redo mechanism.
- Some adjustments.
CORE-17969
Improve keyboard usability.
- Add CCanvasWindow::MoveSelection.
- Modify CMainWindow::OnKeyDown.
- If Esc key is pressed, then the selection will land to canvas.
- If any arrow key is pressed, then the selection will move a bit.
CORE-18867
- Move imageArea code into canvasWindow.
- Delete imgarea.cpp, imgarea.h, and imageArea.
- Add CCanvasWindow::ImageToCanvas and CCanvasWindow::CanvasToImage to convert the coordinates.
- Realize drawing of resizing image area.
CORE-18867
Reduce window controls and integrate to the canvas window.
- The sizeboxes are absorbed by canvasWindow.
- class CSizeboxWindow is deleted.
- Add enum CANVAS_HITTEST.
- Add getSizeBoxRect, getSizeBoxHitTest, and drawSizeBoxes helper functions in sizebox.cpp.
CORE-18867