Jacek Caban : gdi32: Use NtGdiGetCharWidthW for GetCharWidthFloatW.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e5f5e7342d99c8363a84e316b7d81d967686ac76
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e5f5e7342d99c8363a84e316b...

Author: Jacek Caban 
Date:   Thu Aug 26 13:45:16 2021 +0100

gdi32: Use NtGdiGetCharWidthW for GetCharWidthFloatW.

Signed-off-by: Jacek Caban 
Signed-off-by: Huw Davies 
Signed-off-by: Alexandre Julliard

---

dlls/gdi32/font.c | 50 +++++++++++++-------------------------------------
 dlls/gdi32/text.c |  8 ++++++++
 2 files changed, 21 insertions(+), 37 deletions(-)

diff --git a/dlls/gdi32/font.c b/dlls/gdi32/font.c
index 7e4d67af8ae..cbf3f6fb555 100644
--- a/dlls/gdi32/font.c
+++ b/dlls/gdi32/font.c
@@ -4882,10 +4882,19 @@ BOOL WINAPI NtGdiGetCharWidthW( HDC hdc, UINT first, UINT last, WCHAR *chars,

if (ret)
     {
-        INT *buffer = buf;
-        /* convert device units to logical */
-        for (i = 0; i < count; i++)
-            buffer[i] = width_to_LP( dc, buffer[i] );
+        if (flags & NTGDI_GETCHARWIDTH_INT)
+        {
+            INT *buffer = buf;
+            /* convert device units to logical */
+            for (i = 0; i < count; i++)
+                buffer[i] = width_to_LP( dc, buffer[i] );
+        }
+        else
+        {
+            float scale = fabs( dc->xformVport2World.eM11 ) / 16.0f;
+            for (i = 0; i < count; i++)
+                ((float *)buf)[i] = ((int *)buf)[i] * scale;
+        }
     }
     release_dc_ptr( dc );
     return ret;
@@ -6460,39 +6469,6 @@ BOOL WINAPI GetCharWidthFloatA( HDC hdc, UINT first, UINT last, float *buffer )
     return TRUE;
 }

-/*************************************************************************
- *      GetCharWidthFloatW [GDI32.@]
- */
-BOOL WINAPI GetCharWidthFloatW( HDC hdc, UINT first, UINT last, float *buffer )
-{
-    DC *dc = get_dc_ptr( hdc );
-    int *ibuffer;
-    PHYSDEV dev;
-    BOOL ret;
-    UINT i;
-
-    TRACE("dc %p, first %#x, last %#x, buffer %p\n", dc, first, last, buffer);
-
-    if (!dc) return FALSE;
-
-    if (!(ibuffer = heap_alloc( (last - first + 1) * sizeof(int) )))
-    {
-        release_dc_ptr( dc );
-        return FALSE;
-    }
-
-    dev = GET_DC_PHYSDEV( dc, pGetCharWidth );
-    if ((ret = dev->funcs->pGetCharWidth( dev, first, last - first + 1, NULL, ibuffer )))
-    {
-        float scale = fabs( dc->xformVport2World.eM11 ) / 16.0f;
-        for (i = first; i <= last; ++i)
-            buffer[i - first] = ibuffer[i - first] * scale;
-    }
-
-    heap_free(ibuffer);
-    return ret;
-}
-
 /***********************************************************************
  *								       *
  *           Font Resource API					       *
diff --git a/dlls/gdi32/text.c b/dlls/gdi32/text.c
index 0bb47f00c24..b753dac7052 100644
--- a/dlls/gdi32/text.c
+++ b/dlls/gdi32/text.c
@@ -1649,3 +1649,11 @@ BOOL WINAPI GetCharWidth32A( HDC hdc, UINT first, UINT last, INT *buffer )
     HeapFree( GetProcessHeap(), 0, chars );
     return ret;
 }
+
+/***********************************************************************
+ *           GetCharWidthFloatW    (GDI32.@)
+ */
+BOOL WINAPI GetCharWidthFloatW( HDC hdc, UINT first, UINT last, float *buffer )
+{
+    return NtGdiGetCharWidthW( hdc, first, last, NULL, 0, buffer );
+}