I have designed a dashboard like winform and when I try to resize the winform it flickers too much.
I have already tried SuspendLayout and enabled DoubleBufferring but still, the issue persists. Please check the following GIF.
WinForm flickring While Resizing GIF
EDIT
Here is the code for Gradient Panel:
this.bunifuGradientPanel1.BackColor = System.Drawing.Color.Transparent;
this.bunifuGradientPanel1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("bunifuGradientPanel1.BackgroundImage")));
this.bunifuGradientPanel1.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
this.bunifuGradientPanel1.Controls.Add(this.panel1);
this.bunifuGradientPanel1.Controls.Add(this.panel4);
this.bunifuGradientPanel1.Controls.Add(this.panel3);
this.bunifuGradientPanel1.Controls.Add(this.panel5);
this.bunifuGradientPanel1.Controls.Add(this.panel6);
this.bunifuGradientPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
this.bunifuGradientPanel1.GradientBottomLeft = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(0)))));
this.bunifuGradientPanel1.GradientBottomRight = System.Drawing.Color.FromArgb(((int)(((byte)(192)))), ((int)(((byte)(0)))), ((int)(((byte)(192)))));
this.bunifuGradientPanel1.GradientTopLeft = System.Drawing.Color.Purple;
this.bunifuGradientPanel1.GradientTopRight = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(128)))));
this.bunifuGradientPanel1.Location = new System.Drawing.Point(0, 0);
this.bunifuGradientPanel1.Name = "bunifuGradientPanel1";
this.bunifuGradientPanel1.Quality = 10;
this.bunifuGradientPanel1.Size = new System.Drawing.Size(1020, 680);
this.bunifuGradientPanel1.TabIndex = 0;
Thank you for your help in advance.
Finally solved this issue!
Here is the correct answer just in case anyone may face this problem in the future:
First, create the following function inside your Form.cs:
//Double Buffering Function
public static void SetDoubleBuffering(System.Windows.Forms.Control control, bool value)
{
System.Reflection.PropertyInfo controlProperty = typeof(System.Windows.Forms.Control)
.GetProperty("DoubleBuffered", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
controlProperty.SetValue(control, value, null);
}
Then simply call the function in your Form1_Load function and pass the name of the control (panel in my case 'bunifuGradientPanel1') and you're ready to go:
private void Form1_Load(object sender, EventArgs e)
{
// Enabling Double Buffering for BunifuGradientPanel
SetDoubleBuffering(bunifuGradientPanel1, true);
}
Hope this helps anyone facing the flickering issue while working with Panels in Windows Forms c#.
Thanks to Fluxbytes.com for creating the function above and posting it on their forum.
Related
Below is a snippet of code thats running every update but when I log the local position of the image it still says 0,0,0 when it should be 10,10,10. What am I doing wrong??? Ultimately I am trying to understand how to programmatically move an image around on screen
public partial class MainCanvasSystem : SystemBase
{
protected override void OnUpdate()
{
if (MainGameObjectCanvas.Instance != null && SystemAPI.HasSingleton<MainEntityCanvas>())
{
Entity mainEntityCanvasEntity = SystemAPI.GetSingletonEntity<MainEntityCanvas>();
LocalToWorld targetLocalToWorld = SystemAPI.GetComponent<LocalToWorld>(mainEntityCanvasEntity);
Canvas canvas = MainGameObjectCanvas.Instance;
Image image = canvas.GetComponentInChildren<Image>();
var rect = image.GetComponent<RectTransform>();
rect.localScale.Set(10,10,10);
Debug.Log(rect.localPosition.x);
}
}
}
I think there is general misunderstanding here.
rect.localScale.Set(10,10,10);
does .. nothing!
Transform.localScale is a property and returns a COPY of a Vector3 struct.
You are calling Vector3.Set on it which replaces the values within that Vector3 copy, yes, but then you never actually apply it anywhere.
=> you need to actually set the property!
You rather would do e.g.
rect.locaScale = Vector3.one * 10;
or
rect.localScale = new Vector3(10,10,10);
However, this said, changing a localScale won't change the position at all. The RectTransform.anchoredPosition is probably rather the one to go with.
I am using ImageAnalysis library to extract live previews to then barcode scanning and OCR on.
I'm not having any issues with barcode scanning at all, but OCR is resulting in some weak results. I'm sure this could be from a few reasons. My current attempt at working on the solution is to send the frames to GCP - Storage before I run OCR (or barcode) on the frames in order to look at them in bulk. All of them look very similar:
My best guess is the way i'm processing the frames could be causing the pixels to be organized in the buffer incorrectly (i'm inexperienced to Android - sorry). Meaning rather than organizing 0,0 then 0,1.....it's randomly taking pixels and putting them in random areas. I can't figure out where this is happening though. Once I can look at the image quality, then i'll be able to analyze what the issue is with OCR but this is my current blocker unfortunately.
Extra note: I am uploading the image to GCP - Storage prior to even running OCR, so for the sake of looking at this, we can ignore the OCR statement I made - I just wanted to give some background.
Below is the code where I initiate the camera and analyzer then observe the frames
private void startCamera() {
//make sure there isn't another camera instance running before starting
CameraX.unbindAll();
/* start preview */
int aspRatioW = txView.getWidth(); //get width of screen
int aspRatioH = txView.getHeight(); //get height
Rational asp = new Rational (aspRatioW, aspRatioH); //aspect ratio
Size screen = new Size(aspRatioW, aspRatioH); //size of the screen
//config obj for preview/viewfinder thingy.
PreviewConfig pConfig = new PreviewConfig.Builder().setTargetResolution(screen).build();
Preview preview = new Preview(pConfig); //lets build it
preview.setOnPreviewOutputUpdateListener(
new Preview.OnPreviewOutputUpdateListener() {
//to update the surface texture we have to destroy it first, then re-add it
#Override
public void onUpdated(Preview.PreviewOutput output){
ViewGroup parent = (ViewGroup) txView.getParent();
parent.removeView(txView);
parent.addView(txView, 0);
txView.setSurfaceTexture(output.getSurfaceTexture());
updateTransform();
}
});
/* image capture */
//config obj, selected capture mode
ImageCaptureConfig imgCapConfig = new ImageCaptureConfig.Builder().setCaptureMode(ImageCapture.CaptureMode.MAX_QUALITY)
.setTargetRotation(getWindowManager().getDefaultDisplay().getRotation()).build();
final ImageCapture imgCap = new ImageCapture(imgCapConfig);
findViewById(R.id.imgCapture).setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Log.d("image taken", "image taken");
}
});
/* image analyser */
ImageAnalysisConfig imgAConfig = new ImageAnalysisConfig.Builder().setImageReaderMode(ImageAnalysis.ImageReaderMode.ACQUIRE_LATEST_IMAGE).build();
ImageAnalysis analysis = new ImageAnalysis(imgAConfig);
analysis.setAnalyzer(
Executors.newSingleThreadExecutor(), new ImageAnalysis.Analyzer(){
#Override
public void analyze(ImageProxy imageProxy, int degrees){
Log.d("analyze", "just analyzing");
if (imageProxy == null || imageProxy.getImage() == null) {
return;
}
Image mediaImage = imageProxy.getImage();
int rotation = degreesToFirebaseRotation(degrees);
FirebaseVisionImage image = FirebaseVisionImage.fromBitmap(toBitmap(mediaImage));
if (!isMachineLearning){
Log.d("analyze", "isMachineLearning is about to be true");
isMachineLearning = true;
String haha = MediaStore.Images.Media.insertImage(getContentResolver(), toBitmap(mediaImage), "image" , "theImageDescription");
Log.d("uploadingimage: ", haha);
extractBarcode(image, toBitmap(mediaImage));
}
}
});
//bind to lifecycle:
CameraX.bindToLifecycle(this, analysis, imgCap, preview);
}
Below is how I structure my detection (pretty straightforward and simple):
FirebaseVisionBarcodeDetectorOptions options = new FirebaseVisionBarcodeDetectorOptions.Builder()
.setBarcodeFormats(FirebaseVisionBarcode.FORMAT_ALL_FORMATS)
.build();
FirebaseVisionBarcodeDetector detector = FirebaseVision.getInstance().getVisionBarcodeDetector(options);
detector.detectInImage(firebaseVisionImage)
Finally, when I'm uploading the image to GCP - Storage, this is what it looks like:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos); //bmp being the image that I ran barcode scanning on - as well as OCR
byte[] data = baos.toByteArray();
UploadTask uploadTask = storageRef.putBytes(data);
Thank you all for your kind help (:
My problem was that I was trying to convert to a bitmap AFTER barcode scanning. The conversion wasn't properly written but I found a way around without having to write my own bitmap conversion function (though I plan on going back to it as I see myself needing it, and genuine curiosity wants me to figure it out)
I'm currently making a quiz game that has three buttons, from an object pool, and I want them to turn green or red depending on whether or not they are the correct answer. This works perfectly.
When I add the coRoutine to change the button back to clear so the next question can be answered, the button almost never changes color after clicking and essentially nothing happens. Would really appreciate any help!! Thank you.
public void HandelClick()
{
var colors = GetComponent<Button> ().colors;
if( ! answerData.isCorrect)
{
colors.normalColor = Color.red;
GetComponent<Button>().colors = colors;
}
else
{
colors.normalColor = Color.green;
GetComponent<Button> ().colors = colors;
playerMovement.dodge();
}
StartCoroutine("Revert");
//gameController.AnswerButtonClicked(answerData.isCorrect);
}
IEnumerator Revert()
{
Debug.Log(" we are reverting " + Time.time);
yield return new WaitForSeconds(1.8f);
Debug.Log(" we are reverting again " + Time.time);
var colors = GetComponent<Button> ().colors;
colors.normalColor = Color.clear;
GetComponent<Button> ().colors = colors;
gameController.AnswerButtonClicked(answerData.isCorrect);
}
Changing the colors works as you said (you can see that in the Inspector of the Button)
The problem is that the Image component's color doesn't get updated automatically since the Button isn't receiving any pointer event like PointerDown, PointerExit etc => the new color is not applied to the Image (only in the cases where you do a new pointer event like enter, exit, up or down).
You could solve this by doing
GetComponent<Image>().color = colors.normalColor;
additional everywhere you change it.
Note: In general you should use GetComponent only once in Awake
private Button _button;
private Image _image;
private void Awake()
{
_button = GetComponent<Button>();
_image = GetComponent<Image>();
}
and than reuse the references _image and _button
I'm trying to create an outline when you are near it, but i'm getting all the time the same error.
void Update () {
if (Input.GetKeyDown(KeyCode.E)){
var outline = gameObject.AddComponent<Outline>();
outline.OutlineMode = Outline.Mode.OutlineAll;
outline.OutlineColor = Color.yellow;
outline.OutlineWidth = 5f;
}
}
void OnTriggerStay(Collider other) {
if (Outline.OutlineMode == Outline.Mode.OutlineAll) {
Debug.Log("test");
}
}
If i press E it works, and if i change it to ontriggerstay works too, but im trying that it only applies one time, because im getting some errors if its on. I have to say that im using an asset, called quick outline
Srry for my very bad english and explanation and thank you
add the outline to your object in Awake() then set it to disabled.
then enable it in OnTriggerEnter() and disable it in OnTriggerExit()
this will keep you from making multiple copies, and it will only be active when you are in range of your trigger
I have an array of prefabs i want to show a preview of in my custom editor. This works for gameobjects with a mesh renderer, for example the basic quad. However when i try to use AssetPreview.GetAssetPreview(tilePrefab.gameObject); on gameobject with a UnityEngine.UI.Image and a canvas renderer it always returns null.
Below is the part of the code that draws the previews.
public class MapEditor : Editor
{
public override void OnInspectorGUI()
{
for (int prefabIndex = 0; prefabIndex < TileSet.TilePrefabs.Count; prefabIndex++)
DrawIconTexture(prefabIndex, columnCount);
}
private void DrawIconTexture(int prefabIndex, int columnCount)
{
TileBehaviour tilePrefab = TileSet.TilePrefabs[prefabIndex];
Texture iconTexture = AssetPreview.GetAssetPreview(tilePrefab.gameObject);
Rect iconRect = GetIconRect(prefabIndex, columnCount);
if (iconTexture != null)
GUI.DrawTexture(iconRect, iconTexture);
else if (AssetPreview.IsLoadingAssetPreview(tilePrefab.gameObject.GetInstanceID()))
Repaint();
}
}
I know GetAssetPreview loads assets async, that is solved by the repaint. I have also tried
while(iconTexture == null)
iconTexture = AssetPreview.GetAssetPreview(tilePrefab.gameObject);
But that never finishes.
I also tried to use the texture of the Image
if (iconTexture == null)
iconTexture = tilePrefab.GetComponent<Image>().sprite.texture;
But that does not work because the sprite is in an atlas and all of the atlas is shown.
Edit: misread the question. I actually tried to use IsLoadingAssetPreview and IsLoadingAssetPreviews for few hours, without success. I ended up using a sad little trick
if (_previews.All(pair => pair.Value != null)) return;
_previews = GeneratePreviews();
I put that in the Update() loop of my EditorWindow. It's pretty hacky, I'm going to ask Unity if the AssetPreview methods are actually working.
Old answer, irrelevant:
You are not using the while loop and GetAssetPreview correctly.
GetAssetPreview will launch an asynchronous loading of the preview. To know if the preview is fully loaded you need to call AssetPreview.IsLoadingAssetPreview.
A pretty simple and brutal way of doing it (it will block execution) is :
var preview = AssetPreview.GetAssetPreview(item);
while (AssetPreview.IsLoadingAssetPreview(item.GetInstanceID())) {
// Loading
}
As usual, careful with while loops. Note that there is also a AssetPreview.IsLoadingAssetPreviews method with no parameters.
you should just use "using UnityEditor"