Shapes
How to Draw Shapes on a Photo in Photasium
A rectangle, a circle, a line, or an arrow can sit on the photo as its own layer, so you can move it without painting over the picture. In Photasium that happens in the tab: the file never goes to a server.
A shape on a new layer
Shape draws a rectangle, an ellipse, a line, or an arrow, then stores those pixels on a new raster layer named Shape 1. The photo underneath stays as it was.
Fill floods connected colour on the raster you already have. Brush paints a freehand stroke. Text keeps the words, so you can edit them later. A shape is stored as pixels on its layer, so you can move it, scale it, or erase part of it, and the corner radius stays as it was when you let go.
Boxes, circles, and arrows
A post often needs a box behind a word, or a circle around a face, and a camera roll shot has none of that until you draw it. The shape is its own layer, so you can drag it after the caption is already in place.
Text can sit above the box. The type colour is in the options bar once that layer is selected.
A listing shot can use a circle or an arrow to point at a stitch, a logo, or a size mark. Draw it, then Select (V) slides it onto the detail. The photograph stays on the layer underneath.
A screenshot of a button or an error is easier to follow with a rectangle around the control, or an arrow in from the margin. Width and stroke size are in the options bar, so the mark can be a thin outline or a solid block.
A print layout sometimes wants a rule under a caption or a thin frame around the photo. A rectangle with Fill off and a stroke draws that frame on its own layer, so the photograph stays untouched.
Drawing shapes in Photasium
Open a photo
Open the editor, then File → Open, or drop an image on the canvas.
Choose Shape
Click Shape in the toolbar, or press U.
Pick a kind
Rectangle, ellipse, line, and arrow are in the options bar. Rectangle is the one that opens.
Set the look
Fill starts on and uses the foreground colour, which starts as black. Click the foreground well to change it, or press I and click the photo to sample a pixel. Stroke colour and stroke size outline a rectangle or an ellipse. Stroke size runs from 0 to 200, and 0 means no outline. The stroke colour is its own well and starts black. Corners, from 0 to 500, round a rectangle, and the roundness stops at half the shorter side. Line and arrow ignore Fill. They use Width, from 1 to 200, which starts at 8. The arrowhead is filled and points to the end of the drag.
Drag
Drag on the canvas. Hold Shift to keep a rectangle square, an ellipse circular, or a line and arrow on 45° steps. Hold Option to draw a rectangle or an ellipse from the centre. When you let go, a raster layer named Shape 1 is added and selected. The drag adds that layer even when a selection is active.
Each new drag adds another layer, Shape 2 and so on. Undo removes the one you just drew. Select (V) moves the layer. Transform from the layer menu, or press T, scales and rotates it. Delete in that panel removes the layer. If Fill is off and the stroke size is 0, a rectangle or ellipse drag adds nothing. If the active layer is a group, or sits inside one, the shape is added in that group.
A mark you can move
The shape sits on its own raster layer, nothing was uploaded, and undo removes the last one. If the size is wrong, delete the layer and drag again, or scale it with Transform.
Download PNG, JPEG, or WebP if you need a file to send. Come back later and the document is still listed under the editor, until this browser’s storage is cleared. Shapes sit with the other photo editing tools: fill a region, type a label, and export a listing.