Visual artifacts are anomalies during visual representation of graphics and imagery.
Questions tagged [visual-artifacts]
64 questions
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1 answer
QML: Garbled text with colorful pixels around it on Intel GPU
Screenshot of one of the Qt Creator example apps:
My videocard is a Mobile Intel(R) 4 Series Express Chipset Family.
Any idea what the problem might be?

Stefan Monov
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Odd artifacts writing to FMX bitmap with TBitmapData on Windows 10
I have an odd bug in FMX that has all the hallmarks of a pointer overrun or a hardware-specific bug, which I haven't been able to track down. Small apps to reproduce it, don't (yet.) I have code snippets below, but since I haven't managed to…

David
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Artifacts when using a large texture atlas in libGDX
So, we're using a pretty large texture atlas to do some of the heavy lifting. We have a lot of art assets, and we're breaking them up and packing them with the texturepacker. The problem is, when this textureAtlas is invoked in-game, it causes all…

Scuba Steve
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2 answers
css background-image w/ background-color shows artifact border in chrome
I am trying to use a transparent .png as a background-image so that I can dynamically use any color I need to, to change the color of the "icon".
I have a .png that is 40px x 40px. I apply it to a div using background-image, then I give that same…

ntgCleaner
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Artifacts in WMP after speed-up and fps change
Trying to convert a 1 hour video with 0.02 fps, to a very short one (100 times speed-up) with somethinglike 10 fps to include in a powerpoint presentation.
I did this :
ffmpeg - input.mp4 -filter:v "setpts=0.01*PTS" -r 10 output.mp4
Works great,…

Snow
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OpenGL ES 2.0 artifacts with rotating surface
I'm working on a rotating mesh, and it works fine for the most part except at certain stages in the rotation. For example:
before
in between
after
As you can see, it's like OpenGL changes it's mind about what's in front. The funny thing is that…

rmp251
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2 answers
Why do adjacent rectangles create a banding effect?
I've created some rectangles using the following code:
double width = 6.546;
for (int i = 0; i < 50; i++)
{
var rect = new Rectangle()
{
Width = width,
Height = i * 10,
Fill = Brushes.Blue,
};
…

epalm
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Change Color of read only CEdit control Artifacts and Text Highlighting issue
I have an Edit control that is read only that has text in it. I would like to switch the default gray background to white but have been having limited luck. In my first go, I was executing the following code during initialization of the…

RootAtShell
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Google Maps and jQuery UI Dialog Rendering Artifacts
When displaying a Google Map in a jQuery UI dialog, if I drag the dialog around, it leaves rendering artifacts:
Is there anyway to prevent or fix this?
(Using Chrome 27.0.1453.110 m)

Petah
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Graphical artifact with BorderFactory in paintComponent
I have some code for a Scrabble Game I am writing (actually rewriting), and it is split up into 3 classes so far. The Tile class seems to be generating a BorderFactory artifact when it is put in the window. Why is this artifact appearing, and how…

reesjones
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1 answer
OpenGL repeated calls to glTexImage2D and alpha blending
This is more out of curiosity than for any practical purpose: is there anything in the OpenGL specification that suggests that calling glTexImage2D many times (e.g., once per frame) is illegal? I mean illegal as in 'it could produce wrong results',…

Legendre17
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How can I get rid of this visual artifact in WPF?
I have a WPF page with validation rules. This page has 2 grids - 1 that's shown by default, and another that can be toggled to show via an animation (a button is pressed, and the second grid's height is animated to show over top of the 1st grid, and…

Mark Carpenter
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1 answer
SurfaceView artifacts
My layout.xml consists of a FrameLayout with a few TextViews and Buttons, that I use like a MediaController, and it also contains a SurfaceView.
In the code I create a MediaPlayer and sets the SurfaceView's SurfaceHolder as the Display like this…

Slickelito
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LWJGL3 Visual artifacts caused by different projections
I have a very simple glsl vertex shader, which is the following:
#version 430
in vec2 vertices;
in vec2 textures;
out vec2 tex_coords;
uniform mat4 projection;
uniform mat4 texModifier;
void main() {
tex_coords = (texModifier *…

Andreas Sandberg
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visual artifacts with css transition: transform and transform: scale
In my project I have added scale effects to buttons and links, however, this seems to produce some visual artifacts, like temporary blurring during transitions. This also happens in this snippet:
body {
height: 100vh;
display: flex;
…

arg_arthur
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