Commit fcc67836 authored by Boudewijn Rempt's avatar Boudewijn Rempt Committed by Wolthera van Hövell

Add a faq entry about transparent windows on windows

parent f0e971a6
......@@ -63,18 +63,6 @@ Krita has no clipping mask, but it has a clipping feature called
inherit alpha. Let's see :ref:`this page <clipping_masks_and_alpha_inheritance>` and learn how to do
clipping in Krita!
Windows: OBS can't record the Krita OpenGL canvas
-------------------------------------------------
The possible workarounds for this is to do either of the following:
#. Turn off OpenGL in :menuselection:`Settings --> Configure Krita --> Display`.
#. Or don't use the hardware accelerated mode (game recording mode) in
OBS, thus capturing the whole desktop instead of attempting to capture
only Krita.
You might also be able to work around the problem by using the ANGLE renderer instead of native OpenGL.
Where are the configuration files stored?
-----------------------------------------
......@@ -176,6 +164,49 @@ You’re probably used to Gimp or Photoshop. The default background or first lay
In Krita, all layers have an alpha channel, if you want to paint in the background color, you should simply do it in a layer above the first one (Layer 1), that would prevent you from erasing the white background color, making the checkerboard visible. You get the same effect in, say, gimp, if you create new image, add an alpha channel and then use the eraser tool. Most Krita users will actually start a sketch in Krita by adding a new blank layer first before doing anything else. (The :kbd:`Ins` key is a useful shortcut here). That doesn’t use extra memory, since a blank layer or a layer with a default color just takes one pixel worth of memory.
Can krita work with 8 bit (indexed) images?
-------------------------------------------
No. Krita has been designed from the ground up to use real colors, not indexed palettes. There are no plans to support indexed color images, although Krita can export to some indexed color image formats, such as GIF. However, it does not offer detailed control over pixel values.
Where can I find older versions of Krita?
-----------------------------------------
All the older versions of Krita that are still available can be found here:
- `Very old builds <https://download.kde.org/Attic/krita/>`_
On Windows, the Krita User Interface is too big on my screen
------------------------------------------------------------
If you're using Windows, you can set the display scaling to 150% or 200%. Krita comes with HiDPI enabled by default, so if you do that, the Krita UI might be too big for your screen. You can turn it off using the following steps:
- On the menu, select :menuselection:`Settings --> Configure Krita`
- On :guilabel:`General` page, switch to :guilabel:`Window` tab.
- Uncheck :guilabel:`Enable Hi-DPI support` (or check if you wish to enable it)
- Press :guilabel:`OK`, if the settings screen is too big, :kbd:`Alt + O` will trigger the OK button too.
- Restart Krita
You can also change the toolbox icon size by right-clicking on the toolbox and selecting a size.
Windows: In fullscreen mode, why is there a thin gap at the bottom of the window?
---------------------------------------------------------------------------------
When :ref:`Canvas Graphics Acceleration <display_settings>` is set to OpenGL, you may see a thin gap at the bottom of the window which you can see through. This is done deliberately to work around a bug causing menus and dropdowns to be unusable. If you find it distracting, you can consider changing the Renderer to Direct3D 11 which doesn't require this workaround.
Windows: OBS can't record the Krita OpenGL canvas
-------------------------------------------------
The possible workarounds for this is to do either of the following:
#. Turn off OpenGL in :menuselection:`Settings --> Configure Krita --> Display`.
#. Or don't use the hardware accelerated mode (game recording mode) in
OBS, thus capturing the whole desktop instead of attempting to capture
only Krita.
You might also be able to work around the problem by using the ANGLE renderer instead of native OpenGL.
Windows: Can I use Krita with Sandboxie?
----------------------------------------
......@@ -194,18 +225,13 @@ If the message is "File not found. Check the file name and try again.", you prob
You can also whitelist Krita, following `these instructions <https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/customize-controlled-folders-exploit-guard#allow-specific-apps-to-make-changes-to-controlled-folders>`_.
Can krita work with 8 bit (indexed) images?
-------------------------------------------
No. Krita has been designed from the ground up to use real colors, not indexed palettes. There are no plans to support indexed color images, although Krita can export to some indexed color image formats, such as GIF. However, it does not offer detailed control over pixel values.
Krita crashes on Windows 7 on start-up
--------------------------------------
Starting with Krita 4.2.0, Krita uses version 5.12 of the Qt toolkit. This needs to have access to Direct3D 11 or OpenGL ES 2.0 or higher. You might need to install drivers appropriate to your GPU (Nvidia, AMD/ATI, Intel). This also makes it hard to run Krita in a virtual environment: in Virtual Box you need to install the guest addition in safe mode, and enable the experimental Direct3D support.
How can I produce a backtrace on Windows?
Windows: How can I produce a backtrace?
-----------------------------------------
.. seealso::
......@@ -216,30 +242,10 @@ If you experience a crash on Windows, and can reproduce the crash, the bug repor
The :ref:`Dr. Mingw debugger <dr_minw>` is bundled with Krita. Please visit the page :ref:`Dr. Mingw debugger <dr_minw>` for instructions on getting a backtrace with it.
Where can I find older versions of Krita?
-----------------------------------------
All the older versions of Krita that are still available can be found here:
- `Very old builds <https://download.kde.org/Attic/krita/>`_
On Windows, the Krita User Interface is too big on my screen
------------------------------------------------------------
If you're using Windows, you can set the display scaling to 150% or 200%. Krita comes with HiDPI enabled by default, so if you do that, the Krita UI might be too big for your screen. You can turn it off using the following steps:
- On the menu, select :menuselection:`Settings --> Configure Krita`
- On :guilabel:`General` page, switch to :guilabel:`Window` tab.
- Uncheck :guilabel:`Enable Hi-DPI support` (or check if you wish to enable it)
- Press :guilabel:`OK`, if the settings screen is too big, :kbd:`Alt + O` will trigger the OK button too.
- Restart Krita
You can also change the toolbox icon size by right-clicking on the toolbox and selecting a size.
Windows: In fullscreen mode, why is there a thin gap at the bottom of the window?
---------------------------------------------------------------------------------
Windows: Krita's window is semi-transparent
-------------------------------------------
When :ref:`Canvas Graphics Acceleration <display_settings>` is set to OpenGL, you may see a thin gap at the bottom of the window which you can see through. This is done deliberately to work around a bug causing menus and dropdowns to be unusable. If you find it distracting, you can consider changing the Renderer to Direct3D 11 which doesn't require this workaround.
Chances are you are using an NVidia GPU. Due to a bug in Nvidia's driver that we haven't been able to workaround yet, sometimes Krita's window will be transparent or semi-transparent. The solution is to enable the Angle renderer in Krita's Settings dialog. Open the :menuselection:`Settings` menu (Press Alt-N if the menubar is not visible and your system is in English), then open the :guilabel:`Configure Krita` dialog. In the dialog window select the :guilabel:`Display` page and select the Angle renderer in the :guilabel:`Preferred Renderer` combobox. Restart Krita.
Tablets
......
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