[reactos] 01/01: [NTGDI][FREETYPE] Simplify IntRequestFontSize and FONTGDI

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=375b02f337a25df36fb3b0...

commit 375b02f337a25df36fb3b088895fc279c0e352f4
Author:     Katayama Hirofumi MZ [e-mail]
AuthorDate: Thu Nov 24 14:18:20 2022 +0900
Commit:     Katayama Hirofumi MZ [e-mail]
CommitDate: Thu Nov 24 14:18:20 2022 +0900

[NTGDI][FREETYPE] Simplify IntRequestFontSize and FONTGDI

FONTGDI.lfWidth and FONTGDI.EmHeight are not used.
    Simplify code without setting these members.
    CORE-11848
---
 win32ss/gdi/eng/engobjects.h |  2 --
 win32ss/gdi/ntgdi/freetype.c | 26 ++++++++------------------
 2 files changed, 8 insertions(+), 20 deletions(-)

diff --git a/win32ss/gdi/eng/engobjects.h b/win32ss/gdi/eng/engobjects.h
index 29f7f0f8709..81f2b586432 100644
--- a/win32ss/gdi/eng/engobjects.h
+++ b/win32ss/gdi/eng/engobjects.h
@@ -162,9 +162,7 @@ typedef struct _FONTGDI {
   LONG          tmAscent;
   LONG          tmDescent;
   LONG          tmInternalLeading;
-  LONG          EmHeight;
   LONG          Magic;
-  LONG          lfWidth;
   LONG          lfHeight;
 } FONTGDI, *PFONTGDI;

diff --git a/win32ss/gdi/ntgdi/freetype.c b/win32ss/gdi/ntgdi/freetype.c
index f8508852025..7d3e20555f3 100644
--- a/win32ss/gdi/ntgdi/freetype.c
+++ b/win32ss/gdi/ntgdi/freetype.c
@@ -3503,14 +3503,7 @@ IntRequestFontSize(PDC dc, PFONTGDI FontGDI, LONG lfWidth, LONG lfHeight)
     TT_OS2 *pOS2;
     TT_HoriHeader *pHori;
     FT_WinFNT_HeaderRec WinFNT;
-    LONG Ascent, Descent, Sum, EmHeight64;
-
-    if (FontGDI->Magic == FONTGDI_MAGIC &&
-        FontGDI->lfHeight == lfHeight &&
-        FontGDI->lfWidth == lfWidth)
-    {
-        return 0; /* Cached */
-    }
+    LONG Ascent, Descent, Sum, EmHeight;

lfWidth = abs(lfWidth);
     if (lfHeight == 0)
@@ -3529,6 +3522,9 @@ IntRequestFontSize(PDC dc, PFONTGDI FontGDI, LONG lfWidth, LONG lfHeight)
     if (lfHeight == -1)
         lfHeight = -2;

+    if (FontGDI->Magic == FONTGDI_MAGIC && FontGDI->lfHeight == lfHeight)
+        return 0; /* Cached */
+
     ASSERT_FREETYPE_LOCK_HELD();
     pOS2 = (TT_OS2 *)FT_Get_Sfnt_Table(face, FT_SFNT_OS2);
     pHori = (TT_HoriHeader *)FT_Get_Sfnt_Table(face, FT_SFNT_HHEA);
@@ -3547,11 +3543,7 @@ IntRequestFontSize(PDC dc, PFONTGDI FontGDI, LONG lfWidth, LONG lfHeight)
         FontGDI->tmAscent           = WinFNT.ascent;
         FontGDI->tmDescent          = FontGDI->tmHeight - FontGDI->tmAscent;
         FontGDI->tmInternalLeading  = WinFNT.internal_leading;
-        FontGDI->EmHeight           = FontGDI->tmHeight - FontGDI->tmInternalLeading;
-        FontGDI->EmHeight = max(FontGDI->EmHeight, 1);
-        FontGDI->EmHeight = min(FontGDI->EmHeight, USHORT_MAX);
         FontGDI->Magic              = FONTGDI_MAGIC;
-        FontGDI->lfWidth            = lfWidth;
         FontGDI->lfHeight           = lfHeight;
         return 0;
     }
@@ -3605,18 +3597,16 @@ IntRequestFontSize(PDC dc, PFONTGDI FontGDI, LONG lfWidth, LONG lfHeight)
     }
 #undef FM_SEL_USE_TYPO_METRICS

-    FontGDI->EmHeight = FontGDI->tmHeight - FontGDI->tmInternalLeading;
-    FontGDI->EmHeight = max(FontGDI->EmHeight, 1);
-    FontGDI->EmHeight = min(FontGDI->EmHeight, USHORT_MAX);
     FontGDI->Magic = FONTGDI_MAGIC;
-    FontGDI->lfWidth = lfWidth;
     FontGDI->lfHeight = lfHeight;

-    EmHeight64 = (FontGDI->EmHeight << 6);
+    EmHeight = FontGDI->tmHeight - FontGDI->tmInternalLeading;
+    EmHeight = max(EmHeight, 1);
+    EmHeight = min(EmHeight, USHORT_MAX);

req.type           = FT_SIZE_REQUEST_TYPE_NOMINAL;
     req.width          = 0;
-    req.height         = EmHeight64;
+    req.height         = (EmHeight << 6);
     req.horiResolution = 0;
     req.vertResolution = 0;
     return FT_Request_Size(face, &req);