MakeColor
int MakeColor (int red, int green, int blue);
Purpose
Generates a color (RGB) value from the individual constituent red, green, and blue intensity levels.
An RGB value is a 4-byte integer with the hexadecimal format 0x00RRGGBB. RR, GG, and BB are the respective red, green, and blue components of the color value. The first sixteen colors listed are the sixteen standard colors.
0xFF0000L = VAL_RED
0x00FF00L = VAL_GREEN
0x0000FFL = VAL_BLUE
0x00FFFFL = VAL_CYAN
0xFF00FFL = VAL_MAGENTA
0xFFFF00L = VAL_YELLOW
0x800000L = VAL_DK_RED
0x000080L = VAL_DK_BLUE
0x008000L = VAL_DK_GREEN
0x008080L = VAL_DK_CYAN
0x800080L = VAL_DK_MAGENTA
0x808000L = VAL_DK_YELLOW
0xC0C0C0L = VAL_LT_GRAY
0x808080L = VAL_DK_GRAY
0x000000L = VAL_BLACK
0xFFFFFFL = VAL_WHITE
0xA0A0A0L = VAL_GRAY
0xE0E0E0L = VAL_OFFWHITE
VAL_PANEL_GRAY = VAL_LT_GRAY
Parameters
| Input | ||
| Name | Type | Description |
| red | int | Red level of the new color. Any integer value between 0 and 255 is valid. 0 = No red component 255 = Maximum red component |
| green | int | Green level of the new color. Any integer value between 0 and 255 is valid. 0 = No green component 255 = Maximum green component |
| blue | int | Blue level of the new color. Any integer value between 0 and 255 is valid. 0 = No blue component 255 = Maximum blue component |
Return Value
| Name | Type | Description |
| RGBValue | int | Return value indicating the RGB value. A negative number indicates that an error occurred. |
Additional Information
Library: User Interface Library
Include file: userint.h
LabWindows/CVI compatibility: LabWindows/CVI 3.0 and later
Examples
Refer to the following examples that use the MakeColor function:
- userint\canvas.cws
Open example - userint\canvsbmk.cws
Open example - userint\graphlegend.cws
Open example - userint\GraphZooming.cws
Open example - userint\gridview.cws
Open example - userint\intgraph.cws
Open example