TheGameCreators - CodeBase - Get RGBA values from image

Return to the CodeBase listing

Category: Functions

Version: 1.0

Information

Uploaded: 25th Sep 2016 20:27

Modified: 20th Jun 2017 20:14

Author: tboy

Summary

Extract RGBA values from an image

Full Description

Updated version, better code, much cleaner.

AGKV2 BASIC Source Code

` This code was downloaded from The Game Creators

` It is reproduced here with full permission

` http://www.thegamecreators.com

SetErrorMode(2)

SetWindowTitle( "imagedata" )

SetWindowSize( 640, 480, 0 )

SetWindowAllowResize( 1 )

SetVirtualResolution( 640, 480 )

SetOrientationAllowed( 1, 1, 1, 1 )

SetSyncRate( 30, 0 )

SetScissor( 0,0,0,0 )

UseNewDefaultFonts( 1 )

Type imgPicData

red as integer

green as integer

blue as integer

alpha as integer

EndType

imgData as imgPicData[0]

imgPic = LoadImage("pic.png")

imgSprite = CreateSprite(imgPic)

imgMemID = CreateMemblockFromImage(imgPic)

imgPicSize = (GetImageWidth(imgPic) * GetImageHeight(imgPic) * 4)

imgLen = 0

startByte = 12

imgData.Length = imgPicSize

For i = startByte To imgPicSize Step 4

imgData[imgLen].red = GetMemblockByte(imgMemID, i)

imgData[imgLen].green = GetMemblockByte(imgMemID, i+1)

imgData[imgLen].blue = GetMemblockByte(imgMemID, i+2)

imgData[imgLen].alpha = GetMemblockByte(imgMemID, i+3)

imgLen = imgLen + 1

Next i

imgWidth = GetMemblockInt(imgMemID, 0)

imgHeight = GetMemblockInt(imgMemID, 4)

imgBitDepth = GetMemblockInt(imgMemID, 8)

DeleteMemblock(imgMemID)

DrawSprite(imgSprite)

print ("Image Width: " + str(imgWidth))

print ("Image Height: " + str(imgHeight))

print ("Image Bit Depth: " + str(imgBitDepth))

pointerX = Trunc(GetPointerX())

pointerY = Trunc(GetPointerY())

pixelValue =  ((imgWidth*pointerY) + pointerX)

print ("RGBA:" + "(" + str(imgData[pixelValue].red) + "," + str(imgData[pixelValue].green) + "," str(imgData[pixelValue].blue) + "," + str(imgData[pixelValue].alpha) + ")")

CodeBase - Get RGBA values from image

Information

Summary

Full Description

AGKV2 BASIC Source Code

Download

Screen Shot

Author

Comments

Author Name:	tboy
CodeBase Entries:	1