gdi32: Store scale as an integer.

dlls/gdi32/font.c

@@ -1698,7 +1698,7 @@ static struct gdi_font *alloc_gdi_font( const WCHAR *file, void *data_ptr, SIZE_
 
     font->refcount = 1;
     font->matrix.eM11 = font->matrix.eM22 = 1.0;
-    font->scale_y = 1.0;
+    font->scale_y = 1;
     font->kern_count = -1;
     list_init( &font->child_fonts );
 
@@ -3686,8 +3686,8 @@ static struct gdi_font *select_font( LOGFONTW *lf, FMAT2 dcmat, BOOL can_use_bit
         /* The jump between unscaled and doubled is delayed by 1 */
         else if (scale == 2 && scaled_height - height > (face->size.height / 4 - 1)) scale--;
         font->scale_y = scale;
+        TRACE("font scale y: %d\n", font->scale_y);
     }
-    TRACE("font scale y: %f\n", font->scale_y);
 
     if (!font_funcs->load_font( font ))
     {

dlls/gdi32/freetype.c

@@ -2308,13 +2308,13 @@ static BOOL get_transform_matrices( struct gdi_font *font, BOOL vertical, const
         width_ratio = font->scale_y;
 
     /* Scaling transform */
-    if (width_ratio != 1.0 || font->scale_y != 1.0)
+    if (width_ratio != 1.0 || font->scale_y != 1)
     {
         FT_Matrix scale_mat;
         scale_mat.xx = FT_FixedFromFloat( width_ratio );
         scale_mat.xy = 0;
         scale_mat.yx = 0;
-        scale_mat.yy = FT_FixedFromFloat( font->scale_y );
+        scale_mat.yy = font->scale_y << 16;
 
         pFT_Matrix_Multiply( &scale_mat, &matrices[matrix_unrotated] );
         needs_transform = TRUE;

dlls/gdi32/gdi_private.h

@@ -335,7 +335,7 @@ struct gdi_font
     LOGFONTW               lf;
     FMAT2                  matrix;
     UINT                   face_index;
-    double                 scale_y;
+    INT                    scale_y;
     INT                    aveWidth;
     INT                    ppem;
     SHORT                  yMax;