gdkColormapQueryColor {RGtk2} | R Documentation |
Locates the RGB color in colormap
corresponding to the given
hardware pixel pixel
. pixel
must be a valid pixel in the
colormap; it's a programmer error to call this function with a
pixel which is not in the colormap. Hardware pixels are normally
obtained from gdkColormapAllocColors
, or from a GdkImage
. (A
GdkImage
contains image data in hardware format, a GdkPixbuf
contains image data in a canonical 24-bit RGB format.)
gdkColormapQueryColor(object, pixel)
|
[GdkColormap ] a GdkColormap |
|
[numeric] pixel value in hardware display format |
This function is rarely useful; it's used for example to
implement the eyedropper feature in GtkColorSelection
.
A list containing the following elements:
|
[GdkColor ] GdkColor with red, green, blue fields initialized |
Derived by RGtkGen from GTK+ documentation