win32u: Add a debug helper to print color values.

dlls/win32u/brush.c

@@ -222,7 +222,7 @@ HBRUSH WINAPI NtGdiCreateHatchBrushInternal( INT style, COLORREF color, BOOL pen
 {
     LOGBRUSH logbrush;
 
-    TRACE( "%d %06x\n", style, color );
+    TRACE( "%d %s\n", style, debugstr_color(color) );
 
     logbrush.lbStyle = BS_HATCHED;
     logbrush.lbColor = color;
@@ -282,7 +282,7 @@ HBRUSH WINAPI NtGdiCreateSolidBrush( COLORREF color, HBRUSH brush )
 {
     LOGBRUSH logbrush;
 
-    TRACE("%06x\n", color );
+    TRACE("%s\n", debugstr_color(color) );
 
     logbrush.lbStyle = BS_SOLID;
     logbrush.lbColor = color;

dlls/win32u/dibdrv/graphics.c

@@ -1056,7 +1056,7 @@ BOOL CDECL dibdrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT
     RECT row;
     HRGN rgn;
 
-    TRACE( "(%p, %d, %d, %08x, %d)\n", pdev, x, y, color, type );
+    TRACE( "(%p, %d, %d, %s, %d)\n", pdev, x, y, debugstr_color(color), type );
 
     if (x < 0 || x >= pdev->dib.rect.right - pdev->dib.rect.left ||
         y < 0 || y >= pdev->dib.rect.bottom - pdev->dib.rect.top) return FALSE;
@@ -1097,7 +1097,7 @@ COLORREF CDECL dibdrv_GetNearestColor( PHYSDEV dev, COLORREF color )
     DC *dc = get_physdev_dc( dev );
     DWORD pixel;
 
-    TRACE( "(%p, %08x)\n", dev, color );
+    TRACE( "(%p, %s)\n", dev, debugstr_color(color) );
 
     pixel = get_pixel_color( dc, &pdev->dib, color, FALSE );
     return pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
@@ -1575,7 +1575,7 @@ COLORREF CDECL dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
     POINT pt;
     DWORD pixel;
 
-    TRACE( "(%p, %d, %d, %08x)\n", dev, x, y, color );
+    TRACE( "(%p, %d, %d, %s)\n", dev, x, y, debugstr_color(color) );
 
     pt.x = x;
     pt.y = y;

dlls/win32u/palette.c

@@ -384,7 +384,7 @@ UINT WINAPI NtGdiGetNearestPaletteIndex( HPALETTE hpalette, COLORREF color )
         }
         GDI_ReleaseObj( hpalette );
     }
-    TRACE("(%p,%06x): returning %d\n", hpalette, color, index );
+    TRACE("(%p,%s): returning %d\n", hpalette, debugstr_color(color), index );
     return index;
 }
 
@@ -413,7 +413,7 @@ COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color )
 
         if (!get_palette_entries( hpal, index, 1, &entry ))
         {
-            WARN("RGB(%x) : idx %d is out of bounds, assuming NULL\n", color, index );
+            WARN("%s: idx %d is out of bounds, assuming NULL\n", debugstr_color(color), index );
             if (!get_palette_entries( hpal, 0, 1, &entry )) return CLR_INVALID;
         }
         color = RGB( entry.peRed, entry.peGreen, entry.peBlue );

dlls/win32u/pen.c

@@ -59,7 +59,7 @@ HPEN create_pen( INT style, INT width, COLORREF color )
     PENOBJ *penPtr;
     HPEN hpen;
 
-    TRACE( "%d %d %06x\n", style, width, color );
+    TRACE( "%d %d %s\n", style, width, debugstr_color(color) );
 
     switch (style)
     {

dlls/win32u/win32u_private.h

@@ -506,4 +506,13 @@ static inline const char *debugstr_us( const UNICODE_STRING *us )
     return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
 }
 
+static inline const char *debugstr_color( COLORREF color )
+{
+    if (color & (1 << 24))  /* PALETTEINDEX */
+        return wine_dbg_sprintf( "PALETTEINDEX(%u)", LOWORD(color) );
+    if (color >> 16 == 0x10ff)  /* DIBINDEX */
+        return wine_dbg_sprintf( "DIBINDEX(%u)", LOWORD(color) );
+    return wine_dbg_sprintf( "RGB(%02x,%02x,%02x)", GetRValue(color), GetGValue(color), GetBValue(color) );
+}
+
 #endif /* __WINE_WIN32U_PRIVATE */

dlls/win32u/window.c

@@ -2066,7 +2066,7 @@ BOOL WINAPI NtUserSetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alph
 {
     BOOL ret;
 
-    TRACE( "(%p,%08x,%d,%x)\n", hwnd, key, alpha, flags );
+    TRACE( "(%p,%s,%d,%x)\n", hwnd, debugstr_color(key), alpha, flags );
 
     SERVER_START_REQ( set_window_layered_info )
     {