Friday, November 8, 2019

How to Get More RBG Color Values for Delphi

How to Get More RBG Color Values for Delphi In Delphi, the TColor type specifies the color of an object. It is used by the color property of many components and by other properties that specify color values. The Graphics unit contains definitions of useful constants for TColor. For example, clBlue maps to blue, clRed maps to red. More CL Values = More Colors You can specify TColor as a 4-byte hexadecimal number instead of using the constants defined in the Graphics unit. The low three bytes represent RGB (red, green, blue) color intensities for blue, green and red, respectively. Note the inversion from a typical hex color: For TColor, the sequence is blue-green-red. For example, red can be defined as TColor($0000FF). ConvertRBG to TColor If you have values for red, green and blue intensities (a number from 0 to 255 - byte type), heres how to get the TColor value: var   Ã‚   r,g,b : Byte;   Ã‚   color : TColor; begin   Ã‚   r : StrToInt(ledRed.Text) ;   Ã‚   g : StrToInt(ledGreen.Text) ;   Ã‚   b : StrToInt(ledBlue.Text) ;   Ã‚   color : RGB(r, g, b) ;   Ã‚   Shape1.Brush.Color : color; end; The ledRed, ledGreen and ledBlue are three edit controls used to specify the intensity of each color component. Shape1 is a TShape Delphi control. Delphi tips navigator: » How to Parse TAB Delimited Files in Delphi « IsDirectoryEmpty - Delphi function to Determine if a Directory is Empty (no files, no sub-folders)

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