[enhancement] Changed to automatically scroll the position of the canvas when reaching the edge of the window while dragging with the "Rectangle" tool. The "Circle" tool works in the same way. [enhancement] You can resize only horizontally by pressing the "H" key while dragging with the "Rectangle" tool. Similarly you can resize only vertically by pressing the "V" key while dragging with the "Rectangle" tool. [enhancement] Reduced the amount of memory allocated on the GPU when launching the app. [enhancement] Improved performance with SIMD and algorithm improvements. [new feature] Added "Duplicate layer to another canvas" command. [bugfix] When resizing the canvas, etc., the layer color palette of the pixel art vector layer was not copied. Fixed this bug. The paper texture angle parameter was also not copied. Fixed this bug. [bugfix] When executing the "Move" command on the pixel art layer, the part drawn in black (RGB 0,0,0) was converted to transparent color. Fixed this bug. Similarly, the part drawn in black (RGB 0,0,0) on the pixel art vector layer was converted to transparent color. Fixed this bug.