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Implemented GetTextExtentPoint32() and fix GetTextExtentPoint()

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svn path=/trunk/; revision=4948
This commit is contained in:
Gé van Geldorp
2003-06-22 21:33:48 +00:00
parent 96b4efbbd6
commit a0f42417ab
4 changed files with 259 additions and 70 deletions
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16
reactos/lib/gdi32/misc/stubsa.c
View File

@@ -1,4 +1,4 @@
/* $Id: stubsa.c,v 1.9 2003/03/25 22:35:19 gvg Exp $
/* $Id: stubsa.c,v 1.10 2003/06/22 21:33:48 gvg Exp $
*
* reactos/lib/gdi32/misc/stubs.c
*
@@ -246,20 +246,6 @@ GetOutlineTextMetricsA(
}
BOOL
APIENTRY
GetTextExtentPoint32A(
HDC hDc,
LPCSTR a1,
int a2,
LPSIZE a3
)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
BOOL
APIENTRY
GetTextExtentExPointA(

16
reactos/lib/gdi32/misc/stubsw.c
View File

@@ -1,4 +1,4 @@
/* $Id: stubsw.c,v 1.8 2003/03/25 22:35:19 gvg Exp $
/* $Id: stubsw.c,v 1.9 2003/06/22 21:33:48 gvg Exp $
*
* reactos/lib/gdi32/misc/stubs.c
*
@@ -244,20 +244,6 @@ GetOutlineTextMetricsW(
}
BOOL
APIENTRY
GetTextExtentPoint32W(
HDC hDc,
LPCWSTR a1,
int a2,
LPSIZE a3
)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
BOOL
APIENTRY
GetTextExtentExPointW(

37
reactos/lib/gdi32/objects/text.c
View File

@@ -240,6 +240,43 @@ GetTextExtentPointW(
return W32kGetTextExtentPoint(hDC, String, Count, Size);
}
BOOL
APIENTRY
GetTextExtentPoint32A(
HDC hDC,
LPCSTR String,
int Count,
LPSIZE Size
)
{
ANSI_STRING StringA;
UNICODE_STRING StringU;
BOOL ret;
RtlInitAnsiString(&StringA, (LPSTR)String);
RtlAnsiStringToUnicodeString(&StringU, &StringA, TRUE);
ret = GetTextExtentPoint32W(hDC, StringU.Buffer, Count, Size);
RtlFreeUnicodeString(&StringU);
return ret;
}
BOOL
APIENTRY
GetTextExtentPoint32W(
HDC hDC,
LPCWSTR String,
int Count,
LPSIZE Size
)
{
return W32kGetTextExtentPoint32(hDC, String, Count, Size);
}
BOOL
STDCALL
ExtTextOutA(

260
reactos/subsys/win32k/objects/text.c
View File

@@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: text.c,v 1.32 2003/05/18 17:16:18 ea Exp $ */
/* $Id: text.c,v 1.33 2003/06/22 21:33:48 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN
@@ -27,6 +27,7 @@
#include <win32k/dc.h>
#include <win32k/text.h>
#include <win32k/kapi.h>
#include <include/error.h>
#include <ft2build.h>
#include FT_FREETYPE_H
@@ -528,6 +529,113 @@ W32kGetTextCharsetInfo(HDC hDC,
UNIMPLEMENTED;
}
static BOOL
FASTCALL
TextIntGetTextExtentPoint(PDC dc,
LPCWSTR String,
int Count,
LPSIZE Size)
{
PTEXTOBJ TextObj;
PFONTGDI FontGDI;
FT_Face face;
FT_GlyphSlot glyph;
INT error, n, glyph_index, i, previous;
ULONG TotalWidth = 0, MaxHeight = 0;
FT_CharMap charmap, found = NULL;
BOOL use_kerning;
TextObj = TEXTOBJ_LockText(dc->w.hFont);
GetFontObjectsFromTextObj(TextObj, NULL, NULL, &FontGDI);
face = FontGDI->face;
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");
}
}
error = FT_Set_Pixel_Sizes(face,
/* FIXME should set character height if neg */
(TextObj->logfont.lfHeight < 0 ?
- TextObj->logfont.lfHeight :
TextObj->logfont.lfHeight),
TextObj->logfont.lfWidth);
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);
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);
}
glyph = face->glyph;
/* retrieve kerning distance */
if (use_kerning && previous && glyph_index)
{
FT_Vector delta;
FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
TotalWidth += delta.x >> 6;
}
TotalWidth += glyph->advance.x >> 6;
if (glyph->format == ft_glyph_format_outline)
{
error = FT_Render_Glyph(glyph, ft_render_mode_mono);
if (error)
{
DPRINT1("WARNING: Failed to render glyph!\n");
}
if (0 != glyph->bitmap.rows && MaxHeight < (glyph->bitmap.rows - 1))
{
MaxHeight = glyph->bitmap.rows - 1;
}
}
previous = glyph_index;
String++;
}
TEXTOBJ_UnlockText(dc->w.hFont);
Size->cx = TotalWidth;
Size->cy = MaxHeight;
return TRUE;
}
BOOL
STDCALL
W32kGetTextExtentExPoint(HDC hDC,
@@ -543,57 +651,120 @@ W32kGetTextExtentExPoint(HDC hDC,
BOOL
STDCALL
W32kGetTextExtentPoint(HDC hDC,
LPCWSTR String,
int Count,
LPSIZE Size)
W32kGetTextExtentPoint(HDC hDC,
LPCWSTR UnsafeString,
int Count,
LPSIZE UnsafeSize)
{
PDC dc = (PDC)AccessUserObject((ULONG) hDC);
PFONTGDI FontGDI;
FT_Face face;
FT_GlyphSlot glyph;
INT error, pitch, glyph_index, i;
ULONG TotalWidth = 0, MaxHeight = 0, CurrentChar = 0, SpaceBetweenChars = 5;
PDC dc;
LPWSTR String;
SIZE Size;
NTSTATUS Status;
BOOLEAN Result;
FontGDI = (PFONTGDI)AccessInternalObject((ULONG) dc->w.hFont);
dc = DC_HandleToPtr(hDC);
for(i=0; i<Count; i++)
{
glyph_index = FT_Get_Char_Index(face, *String);
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);
glyph = face->glyph;
if (glyph->format == ft_glyph_format_outline)
if (NULL == dc)
{
error = FT_Render_Glyph(glyph, ft_render_mode_mono);
if(error) DPRINT1("WARNING: Failed to render glyph!\n");
pitch = glyph->bitmap.pitch;
} else {
pitch = glyph->bitmap.width;
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if (Count < 0)
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
TotalWidth += pitch-1;
if((glyph->bitmap.rows-1) > MaxHeight) MaxHeight = glyph->bitmap.rows-1;
String = ExAllocatePool(PagedPool, Count * sizeof(WCHAR));
if (NULL == String)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
CurrentChar++;
Status = MmCopyFromCaller(String, UnsafeString, Count * sizeof(WCHAR));
if (! NT_SUCCESS(Status))
{
ExFreePool(String);
SetLastNtError(Status);
return FALSE;
}
if(CurrentChar < Size->cx) TotalWidth += SpaceBetweenChars;
String++;
}
Result = TextIntGetTextExtentPoint(dc, String, Count, &Size);
Size->cx = TotalWidth;
Size->cy = MaxHeight;
ExFreePool(String);
if (! Result)
{
return FALSE;
}
Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
if (! NT_SUCCESS(Status))
{
SetLastNtError(Status);
return FALSE;
}
return TRUE;
}
BOOL
STDCALL
W32kGetTextExtentPoint32(HDC hDC,
LPCWSTR String,
int Count,
LPSIZE Size)
W32kGetTextExtentPoint32(HDC hDC,
LPCWSTR UnsafeString,
int Count,
LPSIZE UnsafeSize)
{
UNIMPLEMENTED;
PDC dc;
LPWSTR String;
SIZE Size;
NTSTATUS Status;
BOOLEAN Result;
dc = DC_HandleToPtr(hDC);
if (NULL == dc)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
if (Count < 0)
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
String = ExAllocatePool(PagedPool, Count * sizeof(WCHAR));
if (NULL == String)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
Status = MmCopyFromCaller(String, UnsafeString, Count * sizeof(WCHAR));
if (! NT_SUCCESS(Status))
{
ExFreePool(String);
SetLastNtError(Status);
return FALSE;
}
Result = TextIntGetTextExtentPoint(dc, String, Count, &Size);
ExFreePool(String);
if (! Result)
{
return FALSE;
}
Status = MmCopyToCaller(UnsafeSize, &Size, sizeof(SIZE));
if (! NT_SUCCESS(Status))
{
SetLastNtError(Status);
return FALSE;
}
return TRUE;
}
int
@@ -632,7 +803,11 @@ W32kGetTextMetrics(HDC hDC,
if (NT_SUCCESS(Status))
{
Face = FontGDI->face;
Error = FT_Set_Pixel_Sizes(Face, TextObj->logfont.lfHeight,
Error = FT_Set_Pixel_Sizes(Face,
/* FIXME should set character height if neg */
(TextObj->logfont.lfHeight < 0 ?
- TextObj->logfont.lfHeight :
TextObj->logfont.lfHeight),
TextObj->logfont.lfWidth);
if (0 != Error)
{
@@ -801,7 +976,12 @@ W32kTextOut(HDC hDC,
if (error) DPRINT1("WARNING: Could not set the charmap!\n");
}
error = FT_Set_Pixel_Sizes(face, TextObj->logfont.lfHeight, TextObj->logfont.lfWidth);
error = FT_Set_Pixel_Sizes(face,
/* FIXME should set character height if neg */
(TextObj->logfont.lfHeight < 0 ?
- TextObj->logfont.lfHeight :
TextObj->logfont.lfHeight),
TextObj->logfont.lfWidth);
if(error) {
DPRINT1("Error in setting pixel sizes: %u\n", error);
goto fail;