robmikh / paint

An attempt to replicate the functionality of paint using Win2D in C#.

paint

An attempt to replicate the functionality of paint using Win2D in C#.

paint's Issues

Create Canvas abstraction

Currently the MainPage keeps track of the canvas (aka _canvasBuffer). This should be abstracted away into a new object that will hand out the canvas when needed.

Can't draw with touch

Touch triggers the ScrollViewer that surrounds the canvas, which prevents the events from getting through. Ideally scrolling should only be possible with a two finger scroll or something.

Allow canvas resizing

Currently the canvas is permanently set to 400 by 400. Resizing should be supported.

Screenshot in README

It would be nice to have a screenshot or gif in the README.

Add Undo/Redo

Add the ability to undo and redo actions.

Allow left and right color based on left and right mouse click

Allow the use of two different colors simultaneously by using two different mouse buttons. Tools need to be updated to support this. Tools might also need to start being separated by manipulation tools and drawing tools.

Alignment of the cursor data with the real cursor is off

When zoomed in this problem is more apparent. Where the mouse is positioned isn't perfectly aligned with where we think the cursor is.

Alpha for copy/paste behaves strangely

Copying something with transparent content and pasting it again from within the app works fine. Pasting that into Paint or GIMP results in black where there should be transparent pixels. Conversely, copying something with transparent content in something like GIMP and pasting it into the app also shows black where there should be transparent pixels.

Resize canvas when pasting larger content

After resize is possible, make sure the canvas resizes after pasting content that is larger than the canvas.

Add "ghost" cursor for tools

Allow a preview for what the tool will do, but only draw it on the swapchain and not on the real render target. This helps alleviate the problem seen in #12.

Selection tool only works when p1 > p2

The positioning of the selection visual is a little too basic and results in negative sizes. Instead the Vishal's offset should be changed to garuntee positive sizes for the visual.

Create a more robust tool selection system

It would be nice to create a bunch of tools and then have them bound to a panel in the app. This would also allow for editing tool settings in the future.

Add simple color picker

Unbind the color from the mouse wheel, it is just getting annoying now that zoom is enabled.

Canvas doesn't resize after pasting content

Somehow the image is resized after pasting content that is larger than the original image... but then none of the tools are able to draw outside the bounds of the original image. I'm guessing the resizing mechanism of the canvas isn't behaving correctly.

Introduce "tool" concept

Currently the code only understands what could be called the basic "pencil" tool and the "paint bucket" tool though a hack. Separate out the functionality of these tools into tool objects, and provide the ability to switch between tools.