GetPixel is a Windows GDI API function which retrieves the RGB color value of the pixel at a specific coordinates.
Questions tagged [getpixel]
199 questions
0
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1 answer
Retrieving percentage of colors of a MovieClip
today my question is as follows:
I have a game, and one of the phases is that you have to pass a "protective cream" on the doll's body. I already have this effect (image below), I'm using an alpha filter combined with a mask that is drawn.
I wonder…

Silvio Luis
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3 answers
Fastest RGB color detection C++
Hi i have used getpixel method, bitblt or what its called (creating bitmap header) and then going though all the values. It is VERY slow. For exapmple if i had to detect something red or specific color it would take very long time. There has gotta…

Hārdža
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Is it possible to get the pixel color in android?
This is my first time that
I want to make a simple app that will detect color of the current pixel by specifying X and Y coordinates of the main screen or other app like game.
So if it is possible please give me function name or give me an…

ali saasa
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how to get only draw part from UIVIEW(work as drawpad)?
https://github.com/acerbetti/ACEDrawingView
above link i use in this project as reference for drawingpad application.
now i want only drawable part from the drawpad.
like here is in drawpad,i draw "a" in it.now i want only area of "a" which i have…

vihar sheladia
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Trying to convert a bitmap into an homemade text format
Here is my code, it is simple and should work, but doesn't and it's driving me crazy. I troubleshooted every part of it, everything is working as expected but when i open my file no matter what composes my bitmap it's just full of 0.
Here's the…

FFA702
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how to get pixel color using byte array in Android
In my Android project,
Here is my code.
for (int x = 0; x < targetBitArray.length; x += weight) {
for (int y = 0; y < targetBitArray[x].length; y += weight) {
targetBitArray[x][y] = bmp.getPixel(x, y) == mSearchColor;
}
}
but this…

phalanx89
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Android finding x and y positions with bitmap
I am having a some trouble figuring out my error. I am trying to find an x and y position of a bitmap based on the colors contained inside it. In this case I am using a blue color as a marker that has already been added to the background and finding…

Andrew87
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Data from image pixel to corresponding vertice
I am trying to put my face recorded from camera and make it a little bit bumpy.
Im taking the video from camera, and putting it on a plane via texture.
From the facedetection I have a heightmap-like grayscaled image, from which i want to take pixel…

mjanisz1
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firefox drawWindow() canvas function using the add-on sdk
I've exactly the same issue : How do I use the canvas drawWindow function in an addon created using the addon sdk?
But the solution doesn't work.
If drawWindow can't be use with the firefox add-on sdk, there is an other solution to put a clicked…

user3433920
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Drawing a bufferedImage in a non jframe context
Okay, so my friend and I are making are a game that requires some pixel analysis for the rectangles, and I wrote the code to analyze the rectangles, and It works swimmingly, However, when I try to draw the bufferedImage it doesn't show up. The main…

jaronoff97
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How to calculate scale size of sprite object in unity
I have image of sprite having size 90 X 120 and I want to load that image in unity,
Now when I am loading that image it is look like stretch in height and width I am setting scale value of the object but It is look like not proper as I am just…

Crazy Developer
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1 answer
BitLock-GetPixels. Time and PixelFormat
Okay, I've created two programs. One that uses GetPixels and another that uses LockBits. My GetPixels program is as follows...
The stripe picture referred is a 200x200 jpg
Stopwatch GetTime = new Stopwatch();
Bitmap img = new…

rguarascia.ts
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1 answer
Fast way to manipulate each pixel from ImagePlus
Hello I need to access every pixels of an ImagePlus for image analysis.
Because of the huge amount of images to process, I was wondering if there are special effective ways/methods to access and/or modify each pixel from an imagePlus?
The only idea…

kaligne
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How to find the X, Y position of an object in external swf
I have a SWF application (A) that has a green object which moves on both X and Y axis,
this SWF application only runs with its SWF loader (B).
I created another SWF loader (C) which loads SWF loader (B). I want to know if it is possible to get the…

Benyamin_199x
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VB6 PictureBox.Point or GetPixel always return -1
I have a picturebox control where I load a 50x160 BMP image, using this:
Picture1.Picture = LoadPicture(App.Path & "\test.bmp")
Once the picture is loaded, I want to get the color of a specific pixel:
GetPixel(Picture1.hDC, 0, 0)
Picture1.Point(0,…

cdonts
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