[tkreuzer] 51989: [WIN32K] - Implement NtGdiSelectFont

Author: tkreuzer
Date: Sun May 29 09:29:31 2011
New Revision: 51989

URL: http://svn.reactos.org/svn/reactos?rev=51989&view=rev
Log:
[WIN32K]
- Implement NtGdiSelectFont

Modified:
    branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/dcfont.c
    branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/fontrsrc.c
    branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/include/dc.h
    branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/objects/dclife.c

Modified: branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/dcfont.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/subsyst…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/dcfont.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/dcfont.c [iso-8859-1]
Sun May 29 09:29:31 2011
@@ -11,6 +11,41 @@
 #define NDEBUG
 #include <debug.h>
 
+static
+HFONT
+DC_hSelectFont(PDC pdc, HFONT hlfntNew)
+{
+    PLFONT plfntNew;
+    HFONT hlfntOld;
+
+    /* Get the current selected font */
+    hlfntOld = pdc->dclevel.plfnt->baseobj.hHmgr;
+
+    /* Check if a new font should be selected */
+    if (hlfntNew !=  hlfntOld)
+    {
+        /* Lock the new font */
+        plfntNew = LFONT_ShareLockFont(hlfntNew);
+        if (plfntNew)
+        {
+            /* Success, dereference the old font */
+            LFONT_ShareUnlockFont(pdc->dclevel.plfnt);
+
+            /* Select the new font */
+            pdc->dclevel.plfnt = plfntNew;
+            pdc->pdcattr->hlfntNew = hlfntNew;
+        }
+        else
+        {
+            /* Failed, restore old, return NULL */
+            pdc->pdcattr->hlfntNew = hlfntOld;
+            hlfntOld = NULL;
+        }
+    }
+
+    return hlfntOld;
+}
+
 #if 0
 PRFONT
 NTAPI
@@ -19,28 +54,13 @@
     PLFONT plfnt;
     PRFONT prfnt;
 
-    /* Check if new font was selected */
-    if (pdc->pdcattr->ulDirty_ & DIRTY_TEXT)
-    {
-        /* Lock the new font */
-        plfnt = LFONT_ShareLockFont(pdc->pdcattr->hlfntNew);
-        if (plfnt)
-        {
-            LFONT_ShareUnlockFont(pdc->dclevel.pFont);
-            pdc->dclevel.pFont = plfnt;
-        }
-        else
-        {
-            // FIXME: test how selecting an invalid font is handled
-            pdc->pdcattr->hlfntNew = pdc->dclevel.pFont;
-        }
-    }
+    /* Select "current" font */
+    DC_hSelectFont(pdc->pdcattr->hlfntNew);
 
     /* Check if font is already realized */
     if (pdc->hlfntCur != pdc->pdcattr->hlfntNew)
     {
-
-        prfnt = LFONT_prfntRealizeFont(pdc->dclevel.pFont);
+        prfnt = LFONT_prfntRealizeFont(pdc->dclevel.plfnt);
 
         /* Dereference the old RFONT */
         RFONT_ShareUnlockFont(pdc->prfnt);
@@ -147,8 +167,22 @@
 APIENTRY
 NtGdiSelectFont(
     IN HDC hdc,
-    IN HFONT hf)
+    IN HFONT hlfnt)
 {
-    ASSERT(FALSE);
-    return 0;
+    PDC pdc;
+    HFONT hlfntOld;
+
+    /* Lock the DC */
+    pdc = DC_LockDc(hdc);
+    if (!pdc)
+    {
+        return NULL;
+    }
+
+    /* Call the internal function */
+    hlfntOld = DC_hSelectFont(pdc, hlfnt);
+
+    /* Unlock DC and return result */
+    DC_UnlockDc(pdc);
+    return hlfntOld;
 }

Modified: branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/fontrsrc.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/subsyst…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/fontrsrc.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/font/fontrsrc.c [iso-8859-1]
Sun May 29 09:29:31 2011
@@ -12,7 +12,6 @@
 #include <debug.h>
 
 HSEMAPHORE ghsemPFFList;
-PPFF gppffList;
 LIST_ENTRY glePFFList = {&glePFFList, &glePFFList};
 
 

Modified: branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/include/dc.h
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/subsyst…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/include/dc.h [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/include/dc.h [iso-8859-1] Sun
May 29 09:29:31 2011
@@ -69,7 +69,7 @@
   POINTL            ptlBrushOrigin;
   PBRUSH            pbrFill;
   PBRUSH            pbrLine;
-  PVOID             plfnt; /* LFONTOBJ* (TEXTOBJ*) */
+  struct _LFONT    *plfnt;
   HGDIOBJ           hPath; /* HPATH */
   FLONG             flPath;
   LINEATTRS         laPath; /* 0x20 bytes */

Modified: branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/objects/dclife.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/subsyst…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/objects/dclife.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/subsystems/win32/win32k/objects/dclife.c [iso-8859-1]
Sun May 29 09:29:31 2011
@@ -310,7 +310,9 @@
 //	pdc->dclevel.ca =
 
 	/* Setup font data */
-    pdc->hlfntCur = NULL; // FIXME: 2f0a0cf8
+    pdc->dcattr.hlfntNew = StockObjects[SYSTEM_FONT];
+    pdc->hlfntCur = NULL;
+    pdc->dclevel.plfnt =
(PVOID)GDIOBJ_ReferenceObjectByHandle(pdc->dcattr.hlfntNew, GDIObjType_LFONT_TYPE); //
LFONT_ShareLockFont(pdc->dcattr.hlfntNew);
     pdc->pPFFList = NULL;
     pdc->flSimulationFlags = 0;
     pdc->lEscapement = 0;
@@ -322,8 +324,6 @@
 	pdc->dcattr.lRelAbs = 1;
 	pdc->dcattr.lBreakExtra = 0;
 	pdc->dcattr.cBreak = 0;
-    pdc->dcattr.hlfntNew = StockObjects[SYSTEM_FONT];
-//	pdc->dclevel.pFont = LFONT_ShareLockFont(pdc->dcattr.hlfntNew);
 
     /* Other stuff */
     pdc->hdcNext = NULL;