[jimtabor] 37078: - Move code out of freetype.c. - Implement GetRasterizerCaps. - From wine: Patch by Bobby Bingham: Add support for the GGO_UNHINTED flag in GetGlyphOutline.
30 Oct
2008
30 Oct
'08
1:32 a.m.
Author: jimtabor
Date: Wed Oct 29 20:32:44 2008
New Revision: 37078
URL: http://svn.reactos.org/svn/reactos?rev=37078&view=rev
Log:
- Move code out of freetype.c.
- Implement GetRasterizerCaps.
- From wine: Patch by Bobby Bingham: Add support for the GGO_UNHINTED flag in
GetGlyphOutline.
Modified:
trunk/reactos/subsystems/win32/win32k/objects/font.c
trunk/reactos/subsystems/win32/win32k/objects/freetype.c
trunk/reactos/subsystems/win32/win32k/objects/text.c
Modified: trunk/reactos/subsystems/win32/win32k/objects/font.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/font.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/font.c [iso-8859-1] Wed Oct 29 20:32:44
2008
@@ -13,6 +13,15 @@
#define NDEBUG
#include <debug.h>
+//
+// FIXME PLEASE!!!!
+// Why are these here? Well there is a problem with drivers/directx.
+// 1st: It does not belong there.
+// 2nd: Due to being placed outside Win32k build environment, it creates
+// compiling issues.
+// Until svn mv drivers/directx subsystem/win32/win32k/drivers/directx,
+// it will not get fixed.
+//
ULONG
FASTCALL
ftGdiGetGlyphOutline(
@@ -24,6 +33,10 @@
OUT OPTIONAL PVOID UnsafeBuf,
IN LPMAT2 pmat2,
IN BOOL bIgnoreRotation);
+
+INT
+FASTCALL
+IntGetOutlineTextMetrics(PFONTGDI FontGDI, UINT Size, OUTLINETEXTMETRICW *Otm);
/** Functions ******************************************************************/
@@ -59,7 +72,80 @@
return Ret;
}
+DWORD
+STDCALL
+NtGdiGetKerningPairs(HDC hDC,
+ ULONG NumPairs,
+ LPKERNINGPAIR krnpair)
+{
+ UNIMPLEMENTED;
+ return 0;
+}
+
+/*
+ From "Undocumented Windows 2000 Secrets" Appendix B, Table B-2, page
+ 472, this is NtGdiGetOutlineTextMetricsInternalW.
+ */
+ULONG
+STDCALL
+NtGdiGetOutlineTextMetricsInternalW (HDC hDC,
+ ULONG Data,
+ OUTLINETEXTMETRICW *otm,
+ TMDIFF *Tmd)
+{
+ PDC dc;
+ PDC_ATTR Dc_Attr;
+ PTEXTOBJ TextObj;
+ PFONTGDI FontGDI;
+ HFONT hFont = 0;
+ ULONG Size;
+ OUTLINETEXTMETRICW *potm;
+ NTSTATUS Status;
+
+ dc = DC_LockDc(hDC);
+ if (dc == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+ Dc_Attr = dc->pDc_Attr;
+ if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
+ hFont = Dc_Attr->hlfntNew;
+ TextObj = TEXTOBJ_LockText(hFont);
+ DC_UnlockDc(dc);
+ if (TextObj == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
+ }
+ FontGDI = ObjToGDI(TextObj->Font, FONT);
+ TEXTOBJ_UnlockText(TextObj);
+ Size = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
+ if (!otm) return Size;
+ if (Size > Data)
+ {
+ SetLastWin32Error(ERROR_INSUFFICIENT_BUFFER);
+ return 0;
+ }
+ potm = ExAllocatePoolWithTag(PagedPool, Size, TAG_GDITEXT);
+ if (NULL == potm)
+ {
+ SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
+ return 0;
+ }
+ IntGetOutlineTextMetrics(FontGDI, Size, potm);
+ if (otm)
+ {
+ Status = MmCopyToCaller(otm, potm, Size);
+ if (! NT_SUCCESS(Status))
+ {
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ ExFreePool(potm);
+ return 0;
+ }
+ }
+ ExFreePool(potm);
+ return Size;
+}
+
/* EOF */
-
-
-
Modified: trunk/reactos/subsystems/win32/win32k/objects/freetype.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/freetype.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/freetype.c [iso-8859-1] Wed Oct 29
20:32:44 2008
@@ -22,6 +22,7 @@
#define NDEBUG
#include <debug.h>
+
FT_Library library;
typedef struct _FONT_ENTRY {
@@ -42,6 +43,8 @@
#define MAX_FONT_CACHE 256
UINT Hits;
UINT Misses;
+
+SHORT ftLanguageID = 0;
typedef struct _FONT_CACHE_ENTRY {
LIST_ENTRY ListEntry;
@@ -750,7 +753,7 @@
* IntGetOutlineTextMetrics
*
*/
-static unsigned FASTCALL
+INT FASTCALL
IntGetOutlineTextMetrics(PFONTGDI FontGDI, UINT Size,
OUTLINETEXTMETRICW *Otm)
{
@@ -1316,6 +1319,21 @@
}
return NT_SUCCESS(Status) || STATUS_OBJECT_NAME_NOT_FOUND == Status;
+}
+
+BOOL
+FASTCALL
+ftGdiGetRasterizerCaps(LPRASTERIZER_STATUS lprs)
+{
+ if ( lprs )
+ {
+ lprs->nSize = sizeof(RASTERIZER_STATUS);
+ lprs->wFlags = TT_AVAILABLE | TT_ENABLED;
+ lprs->nLanguageID = ftLanguageID;
+ return TRUE;
+ }
+ SetLastWin32Error(ERROR_INVALID_PARAMETER);
+ return FALSE;
}
int STDCALL
@@ -2691,6 +2709,12 @@
if (orientation || (iFormat != GGO_METRICS && iFormat != GGO_BITMAP) ||
aveWidth || pmat2)
load_flags |= FT_LOAD_NO_BITMAP;
+
+ if (iFormat & GGO_UNHINTED)
+ {
+ load_flags |= FT_LOAD_NO_HINTING;
+ iFormat &= ~GGO_UNHINTED;
+ }
error = FT_Load_Glyph(ft_face, glyph_index, load_flags);
if (error)
@@ -3207,91 +3231,137 @@
return needed;
}
-DWORD
-STDCALL
-NtGdiGetKerningPairs(HDC hDC,
- ULONG NumPairs,
- LPKERNINGPAIR krnpair)
-{
- UNIMPLEMENTED;
- return 0;
-}
-
-/*
- From "Undocumented Windows 2000 Secrets" Appendix B, Table B-2, page
- 472, this is NtGdiGetOutlineTextMetricsInternalW.
- */
-ULONG
-STDCALL
-NtGdiGetOutlineTextMetricsInternalW (HDC hDC,
- ULONG Data,
- OUTLINETEXTMETRICW *otm,
- TMDIFF *Tmd)
-{
- PDC dc;
- PDC_ATTR Dc_Attr;
- PTEXTOBJ TextObj;
+BOOL
+FASTCALL
+TextIntGetTextExtentPoint(PDC dc,
+ PTEXTOBJ TextObj,
+ LPCWSTR String,
+ int Count,
+ int MaxExtent,
+ LPINT Fit,
+ LPINT Dx,
+ LPSIZE Size)
+{
PFONTGDI FontGDI;
- HFONT hFont = 0;
- ULONG Size;
- OUTLINETEXTMETRICW *potm;
- NTSTATUS Status;
-
- dc = DC_LockDc(hDC);
- if (dc == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
- Dc_Attr = dc->pDc_Attr;
- if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
- hFont = Dc_Attr->hlfntNew;
- TextObj = TEXTOBJ_LockText(hFont);
- DC_UnlockDc(dc);
- if (TextObj == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
+ FT_Face face;
+ FT_GlyphSlot glyph;
+ FT_Glyph realglyph;
+ INT error, n, glyph_index, i, previous;
+ ULONGLONG TotalWidth = 0;
+ FT_CharMap charmap, found = NULL;
+ BOOL use_kerning;
+ FT_Render_Mode RenderMode;
+ BOOLEAN Render;
+
FontGDI = ObjToGDI(TextObj->Font, FONT);
- TEXTOBJ_UnlockText(TextObj);
- Size = IntGetOutlineTextMetrics(FontGDI, 0, NULL);
- if (!otm) return Size;
- if (Size > Data)
- {
- SetLastWin32Error(ERROR_INSUFFICIENT_BUFFER);
- return 0;
- }
- potm = ExAllocatePoolWithTag(PagedPool, Size, TAG_GDITEXT);
- if (NULL == potm)
- {
- SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
- return 0;
- }
- IntGetOutlineTextMetrics(FontGDI, Size, potm);
- if (otm)
- {
- Status = MmCopyToCaller(otm, potm, Size);
- if (! NT_SUCCESS(Status))
+
+ face = FontGDI->face;
+ if (NULL != Fit)
+ {
+ *Fit = 0;
+ }
+
+ IntLockFreeType;
+ if (face->charmap == NULL)
+ {
+ DPRINT("WARNING: No charmap selected!\n");
+ DPRINT("This font face has %d charmaps\n", face->num_charmaps);
+
+ for (n = 0; n < face->num_charmaps; n++)
+ {
+ charmap = face->charmaps[n];
+ DPRINT("found charmap encoding: %u\n", charmap->encoding);
+ if (charmap->encoding != 0)
+ {
+ found = charmap;
+ break;
+ }
+ }
+
+ if (! found)
+ {
+ DPRINT1("WARNING: Could not find desired charmap!\n");
+ }
+
+ error = FT_Set_Charmap(face, found);
+ if (error)
+ {
+ DPRINT1("WARNING: Could not set the charmap!\n");
+ }
+ }
+
+ Render = IntIsFontRenderingEnabled();
+ if (Render)
+ RenderMode =
IntGetFontRenderMode(&TextObj->logfont.elfEnumLogfontEx.elfLogFont);
+ else
+ RenderMode = FT_RENDER_MODE_MONO;
+
+ error = FT_Set_Pixel_Sizes(face,
+ TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfWidth,
+ /* FIXME should set character height if neg */
+ (TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight
< 0 ?
+ - TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight
:
+ TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight ==
0 ? 11 : TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight));
+ if (error)
+ {
+ DPRINT1("Error in setting pixel sizes: %u\n", error);
+ }
+
+ use_kerning = FT_HAS_KERNING(face);
+ previous = 0;
+
+ for (i = 0; i < Count; i++)
+ {
+ glyph_index = FT_Get_Char_Index(face, *String);
+ if (!(realglyph = NtGdiGlyphCacheGet(face, glyph_index,
+ TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight)))
{
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- ExFreePool(potm);
- return 0;
+ error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
+ if (error)
+ {
+ DPRINT1("WARNING: Failed to load and render glyph! [index:
%u]\n", glyph_index);
+ break;
+ }
+
+ glyph = face->glyph;
+ realglyph = NtGdiGlyphCacheSet(face, glyph_index,
+ TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight, glyph,
RenderMode);
+ if (!realglyph)
+ {
+ DPRINT1("Failed to render glyph! [index: %u]\n", glyph_index);
+ break;
+ }
}
- }
- ExFreePool(potm);
- return Size;
-}
-
-
-BOOL
-APIENTRY
-NtGdiGetRasterizerCaps(
- OUT LPRASTERIZER_STATUS praststat,
- IN ULONG cjBytes)
-{
- UNIMPLEMENTED;
- return FALSE;
+
+ /* retrieve kerning distance */
+ if (use_kerning && previous && glyph_index)
+ {
+ FT_Vector delta;
+ FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
+ TotalWidth += delta.x;
+ }
+
+ TotalWidth += realglyph->advance.x >> 10;
+
+ if (((TotalWidth + 32) >> 6) <= MaxExtent && NULL != Fit)
+ {
+ *Fit = i + 1;
+ }
+ if (NULL != Dx)
+ {
+ Dx[i] = (TotalWidth + 32) >> 6;
+ }
+
+ previous = glyph_index;
+ String++;
+ }
+ IntUnLockFreeType;
+
+ Size->cx = (TotalWidth + 32) >> 6;
+ Size->cy = (TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight < 0 ? -
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight :
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight);
+ Size->cy = EngMulDiv(Size->cy, IntGdiGetDeviceCaps(dc, LOGPIXELSY), 72);
+
+ return TRUE;
}
@@ -3442,342 +3512,6 @@
Ret = FontTci[i].ciCharset;
DPRINT("CharSet %d\n",Ret);
return Ret;
-}
-
-static BOOL
-FASTCALL
-TextIntGetTextExtentPoint(PDC dc,
- PTEXTOBJ TextObj,
- LPCWSTR String,
- int Count,
- int MaxExtent,
- LPINT Fit,
- LPINT Dx,
- LPSIZE Size)
-{
- PFONTGDI FontGDI;
- FT_Face face;
- FT_GlyphSlot glyph;
- FT_Glyph realglyph;
- INT error, n, glyph_index, i, previous;
- ULONGLONG TotalWidth = 0;
- FT_CharMap charmap, found = NULL;
- BOOL use_kerning;
- FT_Render_Mode RenderMode;
- BOOLEAN Render;
-
- FontGDI = ObjToGDI(TextObj->Font, FONT);
-
- face = FontGDI->face;
- if (NULL != Fit)
- {
- *Fit = 0;
- }
-
- IntLockFreeType;
- if (face->charmap == NULL)
- {
- DPRINT("WARNING: No charmap selected!\n");
- DPRINT("This font face has %d charmaps\n", face->num_charmaps);
-
- for (n = 0; n < face->num_charmaps; n++)
- {
- charmap = face->charmaps[n];
- DPRINT("found charmap encoding: %u\n", charmap->encoding);
- if (charmap->encoding != 0)
- {
- found = charmap;
- break;
- }
- }
-
- if (! found)
- {
- DPRINT1("WARNING: Could not find desired charmap!\n");
- }
-
- error = FT_Set_Charmap(face, found);
- if (error)
- {
- DPRINT1("WARNING: Could not set the charmap!\n");
- }
- }
-
- Render = IntIsFontRenderingEnabled();
- if (Render)
- RenderMode =
IntGetFontRenderMode(&TextObj->logfont.elfEnumLogfontEx.elfLogFont);
- else
- RenderMode = FT_RENDER_MODE_MONO;
-
- error = FT_Set_Pixel_Sizes(face,
- TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfWidth,
- /* FIXME should set character height if neg */
- (TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight
< 0 ?
- - TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight
:
- TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight ==
0 ? 11 : TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight));
- if (error)
- {
- DPRINT1("Error in setting pixel sizes: %u\n", error);
- }
-
- use_kerning = FT_HAS_KERNING(face);
- previous = 0;
-
- for (i = 0; i < Count; i++)
- {
- glyph_index = FT_Get_Char_Index(face, *String);
- if (!(realglyph = NtGdiGlyphCacheGet(face, glyph_index,
- TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight)))
- {
- error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
- if (error)
- {
- DPRINT1("WARNING: Failed to load and render glyph! [index:
%u]\n", glyph_index);
- break;
- }
-
- glyph = face->glyph;
- realglyph = NtGdiGlyphCacheSet(face, glyph_index,
- TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight, glyph,
RenderMode);
- if (!realglyph)
- {
- DPRINT1("Failed to render glyph! [index: %u]\n", glyph_index);
- break;
- }
- }
-
- /* retrieve kerning distance */
- if (use_kerning && previous && glyph_index)
- {
- FT_Vector delta;
- FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
- TotalWidth += delta.x;
- }
-
- TotalWidth += realglyph->advance.x >> 10;
-
- if (((TotalWidth + 32) >> 6) <= MaxExtent && NULL != Fit)
- {
- *Fit = i + 1;
- }
- if (NULL != Dx)
- {
- Dx[i] = (TotalWidth + 32) >> 6;
- }
-
- previous = glyph_index;
- String++;
- }
- IntUnLockFreeType;
-
- Size->cx = (TotalWidth + 32) >> 6;
- Size->cy = (TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight < 0 ? -
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight :
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfHeight);
- Size->cy = EngMulDiv(Size->cy, IntGdiGetDeviceCaps(dc, LOGPIXELSY), 72);
-
- return TRUE;
-}
-
-W32KAPI
-BOOL
-APIENTRY
-NtGdiGetTextExtentExW(
- IN HDC hDC,
- IN OPTIONAL LPWSTR UnsafeString,
- IN ULONG Count,
- IN ULONG MaxExtent,
- OUT OPTIONAL PULONG UnsafeFit,
- OUT OPTIONAL PULONG UnsafeDx,
- OUT LPSIZE UnsafeSize,
- IN FLONG fl
-)
-{
- PDC dc;
- PDC_ATTR Dc_Attr;
- LPWSTR String;
- SIZE Size;
- NTSTATUS Status;
- BOOLEAN Result;
- INT Fit;
- LPINT Dx;
- PTEXTOBJ TextObj;
-
- /* FIXME: Handle fl */
-
- if (0 == Count)
- {
- Size.cx = 0;
- Size.cy = 0;
- Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
- if (! NT_SUCCESS(Status))
- {
- SetLastNtError(Status);
- return FALSE;
- }
- return TRUE;
- }
-
- String = ExAllocatePoolWithTag(PagedPool, Count * sizeof(WCHAR), TAG_GDITEXT);
- if (NULL == String)
- {
- SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
-
- if (NULL != UnsafeDx)
- {
- Dx = ExAllocatePoolWithTag(PagedPool, Count * sizeof(INT), TAG_GDITEXT);
- if (NULL == Dx)
- {
- ExFreePool(String);
- SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
- }
- else
- {
- Dx = NULL;
- }
-
- Status = MmCopyFromCaller(String, UnsafeString, Count * sizeof(WCHAR));
- if (! NT_SUCCESS(Status))
- {
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
- ExFreePool(String);
- SetLastNtError(Status);
- return FALSE;
- }
-
- dc = DC_LockDc(hDC);
- if (NULL == dc)
- {
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
- ExFreePool(String);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return FALSE;
- }
- Dc_Attr = dc->pDc_Attr;
- if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
- TextObj = TEXTOBJ_LockText(Dc_Attr->hlfntNew);
- if ( TextObj )
- {
- Result = TextIntGetTextExtentPoint(dc, TextObj, String, Count, MaxExtent,
- NULL == UnsafeFit ? NULL : &Fit, Dx,
&Size);
- TEXTOBJ_UnlockText(TextObj);
- }
- else
- Result = FALSE;
- DC_UnlockDc(dc);
-
- ExFreePool(String);
- if (! Result)
- {
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
- return FALSE;
- }
-
- if (NULL != UnsafeFit)
- {
- Status = MmCopyToCaller(UnsafeFit, &Fit, sizeof(INT));
- if (! NT_SUCCESS(Status))
- {
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
- SetLastNtError(Status);
- return FALSE;
- }
- }
-
- if (NULL != UnsafeDx)
- {
- Status = MmCopyToCaller(UnsafeDx, Dx, Count * sizeof(INT));
- if (! NT_SUCCESS(Status))
- {
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
- SetLastNtError(Status);
- return FALSE;
- }
- }
- if (NULL != Dx)
- {
- ExFreePool(Dx);
- }
-
- Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
- if (! NT_SUCCESS(Status))
- {
- SetLastNtError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-BOOL
-STDCALL
-NtGdiGetTextExtent(HDC hdc,
- LPWSTR lpwsz,
- INT cwc,
- LPSIZE psize,
- UINT flOpts)
-{
- return NtGdiGetTextExtentExW(hdc, lpwsz, cwc, 0, NULL, NULL, psize, 0);
-}
-
-W32KAPI
-INT
-APIENTRY
-NtGdiGetTextFaceW(
- IN HDC hDC,
- IN INT Count,
- OUT OPTIONAL LPWSTR FaceName,
- IN BOOL bAliasName
-)
-{
- PDC Dc;
- PDC_ATTR Dc_Attr;
- HFONT hFont;
- PTEXTOBJ TextObj;
- NTSTATUS Status;
-
- /* FIXME: Handle bAliasName */
-
- Dc = DC_LockDc(hDC);
- if (Dc == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return FALSE;
- }
- Dc_Attr = Dc->pDc_Attr;
- if(!Dc_Attr) Dc_Attr = &Dc->Dc_Attr;
- hFont = Dc_Attr->hlfntNew;
- DC_UnlockDc(Dc);
-
- TextObj = TEXTOBJ_LockText(hFont);
- ASSERT(TextObj != NULL);
- Count = min(Count,
wcslen(TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfFaceName));
- Status = MmCopyToCaller(FaceName,
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfFaceName, Count * sizeof(WCHAR));
- TEXTOBJ_UnlockText(TextObj);
- if (!NT_SUCCESS(Status))
- {
- SetLastNtError(Status);
- return 0;
- }
-
- return Count;
}
W32KAPI
Modified: trunk/reactos/subsystems/win32/win32k/objects/text.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/text.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/text.c [iso-8859-1] Wed Oct 29 20:32:44
2008
@@ -2,7 +2,7 @@
* PROJECT: ReactOS win32 kernel mode subsystem
* LICENSE: GPL - See COPYING in the top level directory
* FILE: subsystems/win32/win32k/objects/text.c
- * PURPOSE: Text
+ * PURPOSE: Text/Font
* PROGRAMMER:
*/
@@ -13,8 +13,220 @@
#define NDEBUG
#include <debug.h>
+BOOL
+FASTCALL
+ftGdiGetRasterizerCaps(LPRASTERIZER_STATUS lprs);
+
+BOOL
+FASTCALL
+TextIntGetTextExtentPoint(PDC dc,
+ PTEXTOBJ TextObj,
+ LPCWSTR String,
+ int Count,
+ int MaxExtent,
+ LPINT Fit,
+ LPINT Dx,
+ LPSIZE Size);
+
/** Functions ******************************************************************/
+
+BOOL
+APIENTRY
+NtGdiGetRasterizerCaps(
+ OUT LPRASTERIZER_STATUS praststat,
+ IN ULONG cjBytes)
+{
+ NTSTATUS Status = STATUS_SUCCESS;
+ RASTERIZER_STATUS rsSafe;
+
+ if (praststat && cjBytes)
+ {
+ if ( cjBytes >= sizeof(RASTERIZER_STATUS) ) cjBytes = sizeof(RASTERIZER_STATUS);
+ if ( ftGdiGetRasterizerCaps(&rsSafe))
+ {
+ _SEH_TRY
+ {
+ ProbeForWrite( praststat,
+ sizeof(RASTERIZER_STATUS),
+ 1);
+ RtlCopyMemory(praststat, &rsSafe, cjBytes );
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastNtError(Status);
+ return FALSE;
+ }
+ }
+ }
+ return FALSE;
+}
+
+W32KAPI
+BOOL
+APIENTRY
+NtGdiGetTextExtentExW(
+ IN HDC hDC,
+ IN OPTIONAL LPWSTR UnsafeString,
+ IN ULONG Count,
+ IN ULONG MaxExtent,
+ OUT OPTIONAL PULONG UnsafeFit,
+ OUT OPTIONAL PULONG UnsafeDx,
+ OUT LPSIZE UnsafeSize,
+ IN FLONG fl
+)
+{
+ PDC dc;
+ PDC_ATTR Dc_Attr;
+ LPWSTR String;
+ SIZE Size;
+ NTSTATUS Status;
+ BOOLEAN Result;
+ INT Fit;
+ LPINT Dx;
+ PTEXTOBJ TextObj;
+
+ /* FIXME: Handle fl */
+
+ if (0 == Count)
+ {
+ Size.cx = 0;
+ Size.cy = 0;
+ Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
+ if (! NT_SUCCESS(Status))
+ {
+ SetLastNtError(Status);
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ String = ExAllocatePoolWithTag(PagedPool, Count * sizeof(WCHAR), TAG_GDITEXT);
+ if (NULL == String)
+ {
+ SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
+ }
+
+ if (NULL != UnsafeDx)
+ {
+ Dx = ExAllocatePoolWithTag(PagedPool, Count * sizeof(INT), TAG_GDITEXT);
+ if (NULL == Dx)
+ {
+ ExFreePool(String);
+ SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
+ }
+ }
+ else
+ {
+ Dx = NULL;
+ }
+
+ Status = MmCopyFromCaller(String, UnsafeString, Count * sizeof(WCHAR));
+ if (! NT_SUCCESS(Status))
+ {
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+ ExFreePool(String);
+ SetLastNtError(Status);
+ return FALSE;
+ }
+
+ dc = DC_LockDc(hDC);
+ if (NULL == dc)
+ {
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+ ExFreePool(String);
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ Dc_Attr = dc->pDc_Attr;
+ if(!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
+ TextObj = TEXTOBJ_LockText(Dc_Attr->hlfntNew);
+ if ( TextObj )
+ {
+ Result = TextIntGetTextExtentPoint(dc, TextObj, String, Count, MaxExtent,
+ NULL == UnsafeFit ? NULL : &Fit, Dx,
&Size);
+ TEXTOBJ_UnlockText(TextObj);
+ }
+ else
+ Result = FALSE;
+ DC_UnlockDc(dc);
+
+ ExFreePool(String);
+ if (! Result)
+ {
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+ return FALSE;
+ }
+
+ if (NULL != UnsafeFit)
+ {
+ Status = MmCopyToCaller(UnsafeFit, &Fit, sizeof(INT));
+ if (! NT_SUCCESS(Status))
+ {
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+ SetLastNtError(Status);
+ return FALSE;
+ }
+ }
+
+ if (NULL != UnsafeDx)
+ {
+ Status = MmCopyToCaller(UnsafeDx, Dx, Count * sizeof(INT));
+ if (! NT_SUCCESS(Status))
+ {
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+ SetLastNtError(Status);
+ return FALSE;
+ }
+ }
+ if (NULL != Dx)
+ {
+ ExFreePool(Dx);
+ }
+
+ Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
+ if (! NT_SUCCESS(Status))
+ {
+ SetLastNtError(Status);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+BOOL
+STDCALL
+NtGdiGetTextExtent(HDC hdc,
+ LPWSTR lpwsz,
+ INT cwc,
+ LPSIZE psize,
+ UINT flOpts)
+{
+ return NtGdiGetTextExtentExW(hdc, lpwsz, cwc, 0, NULL, NULL, psize, 0);
+}
BOOL
STDCALL
@@ -42,4 +254,48 @@
return TRUE;
}
+
+W32KAPI
+INT
+APIENTRY
+NtGdiGetTextFaceW(
+ IN HDC hDC,
+ IN INT Count,
+ OUT OPTIONAL LPWSTR FaceName,
+ IN BOOL bAliasName
+)
+{
+ PDC Dc;
+ PDC_ATTR Dc_Attr;
+ HFONT hFont;
+ PTEXTOBJ TextObj;
+ NTSTATUS Status;
+
+ /* FIXME: Handle bAliasName */
+
+ Dc = DC_LockDc(hDC);
+ if (Dc == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+ Dc_Attr = Dc->pDc_Attr;
+ if(!Dc_Attr) Dc_Attr = &Dc->Dc_Attr;
+ hFont = Dc_Attr->hlfntNew;
+ DC_UnlockDc(Dc);
+
+ TextObj = TEXTOBJ_LockText(hFont);
+ ASSERT(TextObj != NULL);
+ Count = min(Count,
wcslen(TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfFaceName));
+ Status = MmCopyToCaller(FaceName,
TextObj->logfont.elfEnumLogfontEx.elfLogFont.lfFaceName, Count * sizeof(WCHAR));
+ TEXTOBJ_UnlockText(TextObj);
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastNtError(Status);
+ return 0;
+ }
+
+ return Count;
+}
+
/* EOF */
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jimtabor＠svn.reactos.org