win32u: Don't use floating point types in syscalls.

dlls/gdi32/dc.c

@@ -1523,7 +1523,7 @@ BOOL WINAPI AngleArc( HDC hdc, INT x, INT y, DWORD radius, FLOAT start_angle, FL
     if (dc_attr->print) print_call_start_page( dc_attr );
     if (dc_attr->emf && !EMFDC_AngleArc( dc_attr, x, y, radius, start_angle, sweep_angle ))
         return FALSE;
-    return NtGdiAngleArc( hdc, x, y, radius, start_angle, sweep_angle );
+    return NtGdiAngleArc( hdc, x, y, radius, *(DWORD *)&start_angle, *(DWORD *)&sweep_angle );
 }
 
 /***********************************************************************

dlls/win32u/painting.c

@@ -637,8 +637,10 @@ BOOL WINAPI NtGdiExtFloodFill( HDC hdc, INT x, INT y, COLORREF color, UINT fill_
 /***********************************************************************
  *      NtGdiAngleArc (win32u.@)
  */
-BOOL WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD dwRadius, FLOAT eStartAngle, FLOAT eSweepAngle )
+BOOL WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD dwRadius, DWORD start_angle, DWORD sweep_angle )
 {
+    FLOAT eStartAngle = *(FLOAT *)&start_angle;
+    FLOAT eSweepAngle = *(FLOAT *)&sweep_angle;
     PHYSDEV physdev;
     BOOL result;
     DC *dc;

dlls/win32u/win32u.spec

@@ -113,7 +113,7 @@
 @ stub NtGdiAddRemoteFontToDC
 @ stub NtGdiAddRemoteMMInstanceToDC
 @ stdcall NtGdiAlphaBlend(long long long long long long long long long long long ptr)
-@ stdcall NtGdiAngleArc(long long long long float float)
+@ stdcall NtGdiAngleArc(long long long long long long)
 @ stub NtGdiAnyLinkedFonts
 @ stdcall NtGdiArcInternal(long long long long long long long long long long)
 @ stub NtGdiBRUSHOBJ_DeleteRbrush
@@ -123,7 +123,7 @@
 @ stub NtGdiBRUSHOBJ_ulGetBrushColor
 @ stub NtGdiBeginGdiRendering
 @ stdcall NtGdiBeginPath(long)
-@ stdcall NtGdiBitBlt(long long long long long long long long long long float)
+@ stdcall NtGdiBitBlt(long long long long long long long long long long long)
 @ stub NtGdiCLIPOBJ_bEnum
 @ stub NtGdiCLIPOBJ_cEnumStart
 @ stub NtGdiCLIPOBJ_ppoGetPath

dlls/win32u/win32u_private.h

@@ -40,8 +40,8 @@ struct unix_funcs
     BOOL     (WINAPI *pNtGdiAlphaBlend)( HDC hdc_dst, int x_dst, int y_dst, int width_dst, int height_dst,
                                          HDC hdc_src, int x_src, int y_src, int width_src, int height_src,
                                          BLENDFUNCTION blend_function, HANDLE xform );
-    BOOL     (WINAPI *pNtGdiAngleArc)( HDC hdc, INT x, INT y, DWORD radius, FLOAT start_angle,
-                                       FLOAT sweep_angle );
+    BOOL     (WINAPI *pNtGdiAngleArc)( HDC hdc, INT x, INT y, DWORD radius, DWORD start_angle,
+                                       DWORD sweep_angle );
     BOOL     (WINAPI *pNtGdiArcInternal)( UINT type, HDC hdc, INT left, INT top, INT right, INT bottom,
                                           INT xstart, INT ystart, INT xend, INT yend );
     BOOL     (WINAPI *pNtGdiBeginPath)( HDC hdc );

dlls/win32u/wrappers.c

@@ -45,7 +45,7 @@ BOOL WINAPI NtGdiAlphaBlend( HDC hdc_dst, int x_dst, int y_dst, int width_dst, i
                                          x_src, y_src, width_src, height_src, blend_function, xform );
 }
 
-BOOL WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD radius, FLOAT start_angle, FLOAT sweep_angle )
+BOOL WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD radius, DWORD start_angle, DWORD sweep_angle )
 {
     if (!unix_funcs) return FALSE;
     return unix_funcs->pNtGdiAngleArc( hdc, x, y, radius, start_angle, sweep_angle );

include/ntgdi.h

@@ -251,8 +251,8 @@ INT      WINAPI NtGdiAddFontResourceW( const WCHAR *str, ULONG size, ULONG files
 BOOL     WINAPI NtGdiAlphaBlend( HDC hdc_dst, int x_dst, int y_dst, int width_dst, int height_dst,
                                  HDC hdc_src, int x_src, int y_src, int width_src, int height_src,
                                  BLENDFUNCTION blend_function, HANDLE xform );
-BOOL     WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD radius, FLOAT start_angle,
-                               FLOAT sweep_angle );
+BOOL     WINAPI NtGdiAngleArc( HDC hdc, INT x, INT y, DWORD radius, DWORD start_angle,
+                               DWORD sweep_angle );
 BOOL     WINAPI NtGdiArcInternal( UINT type, HDC hdc, INT left, INT top, INT right, INT bottom,
                                   INT xstart, INT ystart, INT xend, INT yend );
 BOOL     WINAPI NtGdiBeginPath( HDC hdc );
@@ -351,7 +351,7 @@ DWORD    WINAPI NtGdiGetGlyphOutline( HDC hdc, UINT ch, UINT format, GLYPHMETRIC
                                       DWORD size, void *buffer, const MAT2 *mat2,
                                       BOOL ignore_rotation );
 DWORD    WINAPI NtGdiGetKerningPairs( HDC hdc, DWORD count, KERNINGPAIR *kern_pair );
-BOOL     WINAPI NtGdiGetMiterLimit( HDC hdc, FLOAT *limit );
+BOOL     WINAPI NtGdiGetMiterLimit( HDC hdc, DWORD *limit );
 COLORREF WINAPI NtGdiGetNearestColor( HDC hdc, COLORREF color );
 UINT     WINAPI NtGdiGetNearestPaletteIndex( HPALETTE hpalette, COLORREF color );
 UINT     WINAPI NtGdiGetOutlineTextMetricsInternalW( HDC hdc, UINT cbData,
@@ -435,7 +435,7 @@ BOOL     WINAPI NtGdiSetDeviceGammaRamp( HDC hdc, void *ptr );
 DWORD    WINAPI NtGdiSetLayout( HDC hdc, LONG wox, DWORD layout );
 BOOL     WINAPI NtGdiSetMagicColors( HDC hdc, DWORD magic, ULONG index );
 INT      WINAPI NtGdiSetMetaRgn( HDC hdc );
-BOOL     WINAPI NtGdiSetMiterLimit( HDC hdc, FLOAT limit, FLOAT *prev_limit );
+BOOL     WINAPI NtGdiSetMiterLimit( HDC hdc, DWORD limit, DWORD *prev_limit );
 COLORREF WINAPI NtGdiSetPixel( HDC hdc, INT x, INT y, COLORREF color );
 BOOL     WINAPI NtGdiSetPixelFormat( HDC hdc, INT format );
 BOOL     WINAPI NtGdiSetRectRgn( HRGN hrgn, INT left, INT top, INT right, INT bottom );