[WIN32K] Add more font code

Author: tkreuzer

win32ss/gdi/font/dcfont.c

@@ -11,31 +11,121 @@
 #define NDEBUG
 #include <debug.h>
 
+PRFONT
+NTAPI
+LFONT_prfntFindRFONT(
+    IN PLFONT plfnt)
+{
+
+    //if (!plfnt->hPFE) return NULL;
+
+    //ppfe = GDIOBJ_LockObject(plfnt->hPFE, 0);
+
+    //if (!ppfe) return NULL;
+
+
+    return NULL;
+}
+
+
+PRFONT
+NTAPI
+RealizeFont()
+{
+
+    // 1. search for a realization that fits
+
+    //ppfe = PFT_ppfeFindBestMatch(ppft,
+
+
+    //
+    return NULL;
+}
+
 PRFONT
 NTAPI
 DC_prfnt(PDC pdc)
 {
-    PRFONT prfnt = 0;
+    PRFONT prfnt = NULL;
+    PLFONT plfnt;
+    PPFE ppfe = NULL;
 
     /* Select "current" font */
     DC_hSelectFont(pdc, pdc->pdcattr->hlfntNew);
 
-    /* Check if font is already realized */
-    if (pdc->hlfntCur != pdc->dclevel.plfnt->baseobj.hHmgr)
+    /* Get current LFONT */
+    plfnt = pdc->dclevel.plfnt;
+
+    /* Check if the font is already realized */
+    if (pdc->hlfntCur == plfnt->baseobj.hHmgr)
     {
-        __debugbreak();
-        //prfnt = LFONT_prfntRealizeFont(pdc->dclevel.plfnt);
+        /* Return the RFONT */
+        return pdc->prfnt;
 
-        /* Dereference the old RFONT */
-        //RFONT_ShareUnlockFont(pdc->prfnt);
+    }
 
-        pdc->prfnt = prfnt;
+    /* Try to find a linked RFONT */
+    prfnt = LFONT_prfntFindLinkedRFONT(plfnt, &pdc->dclevel.mxWorldToDevice);
 
-        /* Set as new active font */
-        pdc->hlfntCur = pdc->pdcattr->hlfntNew;
+    /* Check if we got one */
+    if (!prfnt)
+    {
+        /* Check if the output device has fonts */
+        if (pdc->ppdev->devinfo.cFonts != 0)
+        {
+            __debugbreak();
+            // ppfe = PDEVOBJ_ppfe
+                // if ppdev has no associated PFF
+                    // if cFonts == -1, call DrvQueryFont with iFile = 0, return is cFonts
+                    // create a PFF with cFonts PFEs
+                    // link the PFF to the PDEV
+                // ppfe = PFF_pfeFindBestMatch(pff, ...)
+                    // loop all PFEs of the PFF
+                        //  PFE_ulPenalty
+            // set plfnt->hPFE
+        }
+
+        /* Did we find a PFE yet? */
+        if (!ppfe)
+        {
+            /* Get best matching PFE */
+            ppfe = LFONT_ppfe(plfnt);
+        }
+
+        /* Try to find a matching RFONT */
+        prfnt = 0;//PFE_prfntFindRFONT(ppfe, plfnt->nSize, &pdc->dclevel.mxWorldToDevice);
+
+        /* Allocate a new RFONT */
+        prfnt = RFONT_AllocRFONT();
+
+        /* Check if that succeeded */
+        if (prfnt)
+        {
+            __debugbreak();
+        }
+        else
+        {
+            /* Fall back to the system font */
+            if (!prfnt) prfnt = gprfntSystemTT;
+            __debugbreak();
+        }
     }
 
     ASSERT(prfnt);
+
+    /* Reference the new and dereference the old RFONT */
+    InterlockedIncrementUL(&prfnt->cSelected);
+    if (InterlockedDecrementUL(&((PRFONT)pdc->prfnt)->cSelected) == 0)
+    {
+        /* Old RFONT is not in use anymore, delete it */
+        //RFONT_vDeleteRFONT(pdc->prfnt);
+        __debugbreak();
+    }
+
+    /* Set as new active font */
+    pdc->prfnt = prfnt;
+    pdc->hlfntCur = pdc->dclevel.plfnt->baseobj.hHmgr;
+
     return prfnt;
 }
 

win32ss/gdi/font/font.h

@@ -260,15 +260,15 @@ typedef struct _RFONT
     POINTFX ptfxMaxDescent;
     TEXTMETRICW *ptmw;
     FD_GLYPHSET *pfdg;
-    HGLYPH *phg;
+    HGLYPH hgDefault;
     HGLYPH hgBreak;
     FIX fxBreak;
     void *wcgp;
 
 
     MATRIX mxWorldToDevice;
     MATRIX mxForDDI;
-    //EXFORMOBJ xoForDDI;
+    EXFORMOBJ xoForDDI;
 
     POINTEF pteUnitAscent;
     FLOATOBJ efWtoDAscent;
@@ -391,6 +391,25 @@ LFONT_prfntFindLinkedRFONT(
     _In_ PLFONT plfnt,
     _In_ PMATRIX pmxWorldToDevice);
 
+VOID
+NTAPI
+RFONT_vXlateGlpyhs(
+    PRFONT prfnt,
+    ULONG cwc,
+    WCHAR *pwc,
+    HGLYPH *phg);
+
+FORCEINLINE
+HGLYPH
+RFONT_hgXlate(
+    PRFONT prfnt,
+    WCHAR wc)
+{
+    HGLYPH hg;
+    RFONT_vXlateGlpyhs(prfnt, 1, &wc, &hg);
+    return hg;
+}
+
 VOID
 NTAPI
 UpcaseString(

win32ss/gdi/font/fontdata.c

@@ -147,8 +147,7 @@ RFONT_vXlateGlpyhs(
     PRFONT prfnt,
     ULONG cwc,
     WCHAR *pwc,
-    HGLYPH *phg,
-    HGLYPH hgDefault)
+    HGLYPH *phg)
 {
     FD_GLYPHSET *pfdg = prfnt->ppfe->pfdg;
     WCRUN *pwcrun;
@@ -160,7 +159,7 @@ RFONT_vXlateGlpyhs(
     while (cwc--)
     {
         wc = *pwc++;
-        hg = hgDefault;
+        hg = prfnt->hgDefault;
 
         /* Loop all WCHAR runs */
         for (pwcrun = &pfdg->awcrun[0];

win32ss/gdi/font/fontrsrc.c

@@ -305,6 +305,30 @@ PFE_ulPenalty(
     return ulPenalty;
 }
 
+PPFE
+NTAPI
+PFF_ppfeFindBestMatch(
+    PPFF ppff,
+    LOGFONTW *plf,
+    ULONG *pulPenalty)
+{
+    ULONG ulPenalty, ulBestMatch = *pulPenalty;
+    PPFE ppfeBestMatch;
+    ULONG i;
+
+    /* Loop all PFEs */
+    for (i = 0; i < ppff->cFonts; i++)
+    {
+        ulPenalty = PFE_ulPenalty(&ppff->apfe[i], plf, ulBestMatch);
+        if (ulPenalty < ulBestMatch)
+        {
+            ppfeBestMatch = &ppff->apfe[i];
+            ulBestMatch = ulPenalty;
+        }
+    }
+
+    return ppfeBestMatch;
+}
 
 static
 PPFE
@@ -507,7 +531,9 @@ PFT_ppfeFindBestMatch(
     PHASHBUCKET pbkt;
     ULONG ulPenalty = *pulPenalty;
     PFONTSUBSTITUTE pfs = NULL;
+    PPFF ppff;
     PPFE ppfe;
+    ULONG iListIndex;
 
     /* Acquire PFT lock for reading */
     EngAcquireSemaphoreShared(ppft->hsem);
@@ -538,7 +564,26 @@ PFT_ppfeFindBestMatch(
     else
     {
         TRACE("Font with face name '%ls' was not found!\n", pwszCapName);
-        ulPenalty = PENALTY_FaceName;
+
+        /* Loop all slots in the font table */
+        for (iListIndex = 0; iListIndex < ppft->cBuckets; iListIndex++)
+        {
+            /* Loop all font files (PFFs) in the slot */
+            for (ppff = ppft->apPFF[iListIndex]; ppff; ppff = ppff->pPFFNext)
+            {
+                /* Find the best match in this PFF */
+                ppfe = PFF_ppfeFindBestMatch(ppff, plf, &ulPenalty);
+
+                /* Bail out on an exact match */
+                if (ulPenalty == 0) break;
+            }
+
+            /* Bail out on an exact match */
+            if (ulPenalty == 0) break;
+        }
+
+
+        ulPenalty += PENALTY_FaceName;
     }
 
 

win32ss/gdi/font/lfont.c

@@ -84,10 +84,14 @@ LFONT_ppfe(PLFONT plfnt)
 
 PRFONT
 NTAPI
-LFONT_prfntFindRFONT(
-    IN PLFONT plfnt)
+LFONT_prfntFindLinkedRFONT(
+    _In_ PLFONT plfnt,
+    _In_ PMATRIX pmxWorldToDevice)
 {
-
+    // share lock plfnt->hsemRFONTList
+    // loop plfnt->leRFONTList
+    // compare each RFONT's world-to-device transformation
+    // unlock plfnt->hsemRFONTList
     __debugbreak();
 
     return NULL;