ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Authors: Chris Morgan <cmorgan@wpi.edu>, James Abbatiello <abbeyj@wpi.edu> 

Fixes problems with color drift when switching to/from
logical/physical colors.
This commit is contained in:
Alexandre Julliard 1999-10-13 13:48:11 +00:00
parent 30eaa59c2a
commit d21dde71b3
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
graphics/x11drv/palette.c
View File

@ -631,9 +631,9 @@ COLORREF X11DRV_PALETTE_ToLogical(int pixel)
color.red = (pixel >> X11DRV_PALETTE_Redshift) & X11DRV_PALETTE_Redmax;
color.green = (pixel >> X11DRV_PALETTE_Greenshift) & X11DRV_PALETTE_Greenmax;
color.blue = (pixel >> X11DRV_PALETTE_Blueshift) & X11DRV_PALETTE_Bluemax;
return RGB((color.red * 255)/X11DRV_PALETTE_Redmax,
(color.green * 255)/X11DRV_PALETTE_Greenmax,
(color.blue * 255)/X11DRV_PALETTE_Bluemax);
return RGB(MulDiv(color.red, 255, X11DRV_PALETTE_Redmax),
MulDiv(color.green, 255, X11DRV_PALETTE_Greenmax),
MulDiv(color.blue, 255, X11DRV_PALETTE_Bluemax));
}
/* check if we can bypass X */
@ -716,9 +716,12 @@ int X11DRV_PALETTE_ToPhysical( DC *dc, COLORREF color )
else
{
/* scale each individually and construct the TrueColor pixel value */
if (X11DRV_PALETTE_Redmax != 255) red = (red * X11DRV_PALETTE_Redmax) / 255;
if (X11DRV_PALETTE_Greenmax != 255) green = (green * X11DRV_PALETTE_Greenmax) / 255;
if (X11DRV_PALETTE_Bluemax != 255) blue = (blue * X11DRV_PALETTE_Bluemax) / 255;
if (X11DRV_PALETTE_Redmax != 255)
red = MulDiv(red, X11DRV_PALETTE_Redmax, 255);
if (X11DRV_PALETTE_Greenmax != 255)
green = MulDiv(green, X11DRV_PALETTE_Greenmax, 255);
if (X11DRV_PALETTE_Bluemax != 255)
blue = MulDiv(blue, X11DRV_PALETTE_Bluemax, 255);
GDI_HEAP_UNLOCK( hPal );
return (red << X11DRV_PALETTE_Redshift) | (green << X11DRV_PALETTE_Greenshift) | (blue << X11DRV_PALETTE_Blueshift);