Overview
The paint.net is free image and photo editing software for Windows users. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. It is very simple and easy to use, and specially designed to be learned through intuition without assistance or manuals. paint.net features the tabbed interface where the tabs show a live thumbnail in place of a text. These thumbnails make it easy for users to see which images they need to open when work with multiple images.
paint.net has been compared to some of the commercial digital photo editing software packages such as Adobe Photoshop, Corel Paint Shop Pro, Microsoft Photo Editor, and The GIMP.
paint.net 4.0 comes with a brand new, asynchronous, fully multithreaded rendering engine. It also improvements to various tools and a tweaked user interface.
Here is some of the most prominent changes in paint.net 4.0:
A brand new, asynchronous, fully multithreaded rendering engine
- Performance scales very well with respect to the number of CPU cores, whether you have 2, 4, 6, or even 16 of them.
- Performance scales much better with large, or even huge, images. Rendering will slow down and you will see tiles "trickling" in as they are completed, but the UI will still be responsive to your changes and clicks.
- The canvas now uses hardware acceleration via Direct2D, which also improves performance.
- Memory usage is lower.
Selections have been improved in many ways
- Antialiased selections. You may turn this on/off at any time from the toolbar.
- Selection outlines are now rendered with the "dancing ants" animation.
- Performance of selection rendering and manipulation (Move Selection tool) have been fantastically improved.
General UI
- The functionality previously provided by the Utilities, Window, and Help menus has been simplified, consolidated, and moved to the top-right corner of the main window.
- A brand new Settings dialog makes it much easier to configure all the tool and toolbar defaults, among other things.
- The zoom slider and units selector have been moved from the toolbar to the bottom right corner of the window (into the status bar).
- The image thumbnail list is now left-aligned and does not move around when you switch between certain tools.
- The image thumbnail list can now be reordered with drag-and-drop.
- Updated theming to a white, blue, flat motif.
You can find the full changelog here.
Download paint.net 4.0 Alpha (Build 5143)
paint.net 4.0 alpha build 5143 is available as a freeware. The links in this section correspond to file available for this download. Download the files appropriate for you.
Please Do NOT use this paint.net 4.0 alpha release on production machines. A paint.net 4.0 alpha release should be considered for evaluation and testing purposes.
What's new in paint.net 4.0 Alpha (Build 5143)?
Build 4143 comes with a number of improvements as well as bug fixes. Here are the changes between the previous build (5105) and this one (5143):
- Cropping after several simple selection manipulations (e.g. move, scale) would often result in an extra row or column of blank pixels in the cropped image.
- Move Layer Up/Down would often result in the wrong scroll location in the Layers window.
- Panning the canvas via holding the spacebar and click-and-drag of the left mouse button was still panning even after the mouse button was released, but before the spacebar was.
- Clone Stamp tool now uses the Primary color's alpha value (or Secondary if you use the right mouse button).
- Fixed a crash that would happen if you clicked on the image list dropdown button (to the right of the image thumbnail list) too quickly after opening a large image.
- The Move tools would revert changes made with the keyboard if the Enter or Esc keys were pressed too quickly afterwards.
- Using the "Check Now" (for Updates) button in the Settings dialog did not close the application if you had any images open which had unsaved changes.
- Fixed some issues with the Colors window whereby left clicking would reset the Primary/Secondary choice to Primary.
- The floating window positions (Tools, History, Layers, Colors) were not being persisted across sessions.
- Plugins can now retrieve the correct value for CurrentCulture and CurrentUICulture from any thread.
- Fixed some rather pernicious crash bugs in several tools related to a "Committing changes" dialog popping up during click-and-drag operations.
- Clicking and dragging on handles in the Gradient tool was lagging behind by 1 frame of mouse movement.
- Fixed a focus bug on startup whereby you couldn't use keyboard commands until you clicked on the canvas.
- Fixed a crash on Win7 when switching from Aero to Classic theme.
- Settings dialog now works correctly in High Contrast mode.
- Fixed the pixel grid being off by 1 screen pixel (it didn't line up with the ruler).
- Fixed a CPU usage issue with the Move and Shape tools. They were running the animations and UI code even if the UI wasn't visible yet (e.g. no selection / no shape).
- The "OK" button wasn't working in the New Image, Resize, and Canvas Size dialogs when the rest of the application's CPU usage was very high (e.g. slow CPU, slow GPU, disabled hardware acceleration).
- Reduced CPU usage of animated UI elements, especially when not the active application or when the user has disconnected (locked workstation, Remote Desktop).
System Requirements
Minimum system requirements
- Windows 7 SP1 or newer.
- A dual-core (or more!) CPU is highly recommended.
- .NET Framework 4.5 is now required, and will be installed if needed.
Note: Windows XP and Windows Vista are no longer supported.
Source:
paint.net 4.0 alpha build 5143
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