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Add a color filter to a picture

by Ivan Uzunov (5 Submissions)
Category: Graphics
Compatability: Visual Basic 3.0
Difficulty: Advanced
Date Added: Wed 3^rd February 2021
Rating: (3 Votes)

With this few lines of code you can simply add a color filter to a picture (see the ScreenShot!!!). The code is simple and very well comented. Enjoy

API Declarations
Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long
Private Declare Function SetPixel Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long, ByVal crColor As Long) As Long

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