+ GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
+ if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+ {
+ GdkColor *colors = cmap->colors;
+ int max = 3 * (65536);
+ int index = -1;
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = (M_COLDATA->m_color.red - colors[i].red);
+ int gdiff = (M_COLDATA->m_color.green - colors[i].green);
+ int bdiff = (M_COLDATA->m_color.blue - colors[i].blue);
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max) { index = i; max = sum; }
+ }
+
+ M_COLDATA->m_hasPixel = TRUE;
+ M_COLDATA->m_color.pixel = index;
+ }
+ else
+ {
+ M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
+ }