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gdi32: Implement GetTextExtentPoint in terms of GetTextExtentExPoint 

(not vice versa) for efficiency (required adding the Ex functionality
to drivers).
This commit is contained in:
Dan Hipschman 2006-07-11 17:58:35 -07:00 committed by Alexandre Julliard
parent fe3c9428c3
commit f904723813
13 changed files with 149 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/gdi/driver.c
View File

@ -121,7 +121,7 @@ static struct graphics_driver *create_driver( HMODULE module )
GET_FUNC(GetPixel);
GET_FUNC(GetPixelFormat);
GET_FUNC(GetSystemPaletteEntries);
GET_FUNC(GetTextExtentPoint);
GET_FUNC(GetTextExtentExPoint);
GET_FUNC(GetTextMetrics);
GET_FUNC(IntersectClipRect);
GET_FUNC(InvertRgn);

2
dlls/gdi/enhmfdrv/init.c
View File

@ -80,7 +80,7 @@ static const DC_FUNCTIONS EMFDRV_Funcs =
NULL, /* pGetPixel */
NULL, /* pGetPixelFormat */
NULL, /* pGetSystemPaletteEntries */
NULL, /* pGetTextExtentPoint */
NULL, /* pGetTextExtentExPoint */
NULL, /* pGetTextMetrics */
EMFDRV_IntersectClipRect, /* pIntersectClipRect */
EMFDRV_InvertRgn, /* pInvertRgn */

106
dlls/gdi/font.c
View File

@ -1053,27 +1053,7 @@ BOOL WINAPI GetTextExtentPoint32W(
INT count, /* [in] Number of characters in string */
LPSIZE size) /* [out] Address of structure for string size */
{
BOOL ret = FALSE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if(dc->gdiFont)
ret = WineEngGetTextExtentPoint(dc->gdiFont, str, count, size);
else if(dc->funcs->pGetTextExtentPoint)
ret = dc->funcs->pGetTextExtentPoint( dc->physDev, str, count, size );
if (ret)
{
size->cx = abs(INTERNAL_XDSTOWS(dc, size->cx));
size->cy = abs(INTERNAL_YDSTOWS(dc, size->cy));
size->cx += count * dc->charExtra + dc->breakRem;
}
GDI_ReleaseObj( hdc );
TRACE("(%p %s %d %p): returning %ld x %ld\n",
hdc, debugstr_wn (str, count), count, size, size->cx, size->cy );
return ret;
return GetTextExtentExPointW(hdc, str, count, 0, NULL, NULL, size);
}
/***********************************************************************
@ -1101,9 +1081,10 @@ BOOL WINAPI GetTextExtentPointI(
size->cy = abs(INTERNAL_YDSTOWS(dc, size->cy));
size->cx += count * dc->charExtra;
}
else if(dc->funcs->pGetTextExtentPoint) {
FIXME("calling GetTextExtentPoint\n");
ret = dc->funcs->pGetTextExtentPoint( dc->physDev, (LPCWSTR)indices, count, size );
else if(dc->funcs->pGetTextExtentExPoint) {
FIXME("calling GetTextExtentExPoint\n");
ret = dc->funcs->pGetTextExtentExPoint( dc->physDev, (LPCWSTR)indices,
count, 0, NULL, NULL, size );
}
GDI_ReleaseObj( hdc );
@ -1205,36 +1186,69 @@ BOOL WINAPI GetTextExtentExPointW( HDC hdc, LPCWSTR str, INT count,
INT maxExt, LPINT lpnFit,
LPINT alpDx, LPSIZE size )
{
int index, nFit, extent;
SIZE tSize;
INT nFit = 0;
LPINT dxs = NULL;
DC *dc;
BOOL ret = FALSE;
TRACE("(%p, %s, %d)\n",hdc,debugstr_wn(str,count),maxExt);
size->cx = size->cy = nFit = extent = 0;
for(index = 0; index < count; index++)
dc = DC_GetDCPtr(hdc);
if (! dc)
return FALSE;
/* If we need to calculate nFit, then we need the partial extents even if
the user hasn't provided us with an array. */
if (lpnFit)
{
if(!GetTextExtentPoint32W( hdc, str, index + 1, &tSize )) goto done;
/* GetTextExtentPoint includes intercharacter spacing. */
/* FIXME - justification needs doing yet. Remember that the base
* data will not be in logical coordinates.
*/
extent = tSize.cx;
if( !lpnFit || extent <= maxExt )
/* It is allowed to be equal. */
{
nFit++;
if( alpDx ) alpDx[index] = extent;
}
if( tSize.cy > size->cy ) size->cy = tSize.cy;
dxs = alpDx ? alpDx : HeapAlloc(GetProcessHeap(), 0, count * sizeof alpDx[0]);
if (! dxs)
{
GDI_ReleaseObj(hdc);
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
}
size->cx = extent;
if(lpnFit) *lpnFit = nFit;
ret = TRUE;
else
dxs = alpDx;
if (dc->gdiFont)
ret = WineEngGetTextExtentExPoint(dc->gdiFont, str, count,
0, NULL, dxs, size);
else if (dc->funcs->pGetTextExtentExPoint)
ret = dc->funcs->pGetTextExtentExPoint(dc->physDev, str, count,
0, NULL, dxs, size);
/* Perform device size to world size transformations. */
if (ret)
{
INT extra = dc->charExtra, breakRem = dc->breakRem;
if (dxs)
{
INT i;
for (i = 0; i < count; ++i)
{
dxs[i] = abs(INTERNAL_XDSTOWS(dc, dxs[i]));
dxs[i] += (i+1) * extra + breakRem;
if (dxs[i] <= maxExt)
++nFit;
}
}
size->cx = abs(INTERNAL_XDSTOWS(dc, size->cx));
size->cy = abs(INTERNAL_YDSTOWS(dc, size->cy));
size->cx += count * extra + breakRem;
}
if (lpnFit)
*lpnFit = nFit;
if (dxs && ! alpDx)
HeapFree(GetProcessHeap(), 0, dxs);
GDI_ReleaseObj( hdc );
TRACE("returning %d %ld x %ld\n",nFit,size->cx,size->cy);
done:
return ret;
}

27
dlls/gdi/freetype.c
View File

@ -3849,20 +3849,21 @@ BOOL WineEngGetCharABCWidthsI(GdiFont font, UINT firstChar, UINT count, LPWORD p
}
/*************************************************************
* WineEngGetTextExtentPoint
* WineEngGetTextExtentExPoint
*
*/
BOOL WineEngGetTextExtentPoint(GdiFont font, LPCWSTR wstr, INT count,
LPSIZE size)
BOOL WineEngGetTextExtentExPoint(GdiFont font, LPCWSTR wstr, INT count,
INT max_ext, LPINT pnfit, LPINT dxs, LPSIZE size)
{
INT idx;
INT nfit = 0, ext;
GLYPHMETRICS gm;
TEXTMETRICW tm;
FT_UInt glyph_index;
GdiFont linked_font;
TRACE("%p, %s, %d, %p\n", font, debugstr_wn(wstr, count), count,
size);
TRACE("%p, %s, %d, %d, %p\n", font, debugstr_wn(wstr, count), count,
max_ext, size);
size->cx = 0;
WineEngGetTextMetrics(font, &tm);
@ -3873,8 +3874,18 @@ BOOL WineEngGetTextExtentPoint(GdiFont font, LPCWSTR wstr, INT count,
WineEngGetGlyphOutline(linked_font, glyph_index, GGO_METRICS | GGO_GLYPH_INDEX,
&gm, 0, NULL, NULL);
size->cx += linked_font->gm[glyph_index].adv;
ext = size->cx;
if (! pnfit || ext <= max_ext) {
++nfit;
if (dxs)
dxs[idx] = ext;
}
}
TRACE("return %ld,%ld\n", size->cx, size->cy);
if (pnfit)
*pnfit = nfit;
TRACE("return %ld, %ld, %d\n", size->cx, size->cy, nfit);
return TRUE;
}
@ -4149,8 +4160,8 @@ BOOL WineEngGetCharABCWidthsI(GdiFont font, UINT firstChar, UINT count, LPWORD p
return FALSE;
}
BOOL WineEngGetTextExtentPoint(GdiFont font, LPCWSTR wstr, INT count,
LPSIZE size)
BOOL WineEngGetTextExtentExPoint(GdiFont font, LPCWSTR wstr, INT count,
INT max_ext, LPINT nfit, LPINT dx, LPSIZE size)
{
ERR("called but we don't have FreeType\n");
return FALSE;

4
dlls/gdi/gdi_private.h
View File

@ -107,7 +107,7 @@ typedef struct tagDC_FUNCS
COLORREF (*pGetPixel)(PHYSDEV,INT,INT);
INT (*pGetPixelFormat)(PHYSDEV);
UINT (*pGetSystemPaletteEntries)(PHYSDEV,UINT,UINT,LPPALETTEENTRY);
BOOL (*pGetTextExtentPoint)(PHYSDEV,LPCWSTR,INT,LPSIZE);
BOOL (*pGetTextExtentExPoint)(PHYSDEV,LPCWSTR,INT,INT,LPINT,LPINT,LPSIZE);
BOOL (*pGetTextMetrics)(PHYSDEV,TEXTMETRICW*);
INT (*pIntersectClipRect)(PHYSDEV,INT,INT,INT,INT);
BOOL (*pInvertRgn)(PHYSDEV,HRGN);
@ -379,7 +379,7 @@ extern DWORD WineEngGetGlyphOutline(GdiFont, UINT glyph, UINT format,
extern BOOL WineEngGetLinkedHFont(DC *dc, WCHAR c, HFONT *new_hfont, UINT *glyph);
extern UINT WineEngGetOutlineTextMetrics(GdiFont, UINT, LPOUTLINETEXTMETRICW);
extern UINT WineEngGetTextCharsetInfo(GdiFont font, LPFONTSIGNATURE fs, DWORD flags);
extern BOOL WineEngGetTextExtentPoint(GdiFont, LPCWSTR, INT, LPSIZE);
extern BOOL WineEngGetTextExtentExPoint(GdiFont, LPCWSTR, INT, INT, LPINT, LPINT, LPSIZE);
extern BOOL WineEngGetTextExtentPointI(GdiFont, const WORD *, INT, LPSIZE);
extern INT WineEngGetTextFace(GdiFont, INT, LPWSTR);
extern BOOL WineEngGetTextMetrics(GdiFont, LPTEXTMETRICW);

2
dlls/gdi/mfdrv/init.c
View File

@ -80,7 +80,7 @@ static const DC_FUNCTIONS MFDRV_Funcs =
NULL, /* pGetPixel */
NULL, /* pGetPixelFormat */
NULL, /* pGetSystemPaletteEntries */
NULL, /* pGetTextExtentPoint */
NULL, /* pGetTextExtentExPoint */
NULL, /* pGetTextMetrics */
MFDRV_IntersectClipRect, /* pIntersectClipRect */
MFDRV_InvertRgn, /* pInvertRgn */

19
dlls/wineps.drv/builtin.c
View File

@ -304,23 +304,38 @@ const AFMMETRICS *PSDRV_UVMetrics(LONG UV, const AFM *afm)
}
/***********************************************************************
* PSDRV_GetTextExtentPoint
* PSDRV_GetTextExtentExPoint
*/
BOOL PSDRV_GetTextExtentPoint(PSDRV_PDEVICE *physDev, LPCWSTR str, INT count, LPSIZE size)
BOOL PSDRV_GetTextExtentExPoint(PSDRV_PDEVICE *physDev, LPCWSTR str, INT count,
INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size)
{
int nfit = 0;
int i;
float width = 0.0;
float scale;
assert(physDev->font.fontloc == Builtin);
TRACE("%s %i\n", debugstr_wn(str, count), count);
scale = physDev->font.fontinfo.Builtin.scale;
for (i = 0; i < count && str[i] != '\0'; ++i)
{
float scaled_width;
width += PSDRV_UVMetrics(str[i], physDev->font.fontinfo.Builtin.afm)->WX;
scaled_width = width * scale;
if (alpDx)
alpDx[i] = scaled_width;
if (scaled_width <= maxExt)
++nfit;
}
size->cx = width * physDev->font.fontinfo.Builtin.scale;
size->cy = physDev->font.fontinfo.Builtin.tm.tmHeight;
if (lpnFit)
*lpnFit = nfit;
TRACE("cx=%li cy=%li\n", size->cx, size->cy);
return TRUE;

4
dlls/wineps.drv/psdrv.h
View File

@ -480,8 +480,8 @@ extern BOOL PSDRV_ExtTextOut( PSDRV_PDEVICE *physDev, INT x, INT y, UINT flags,
const INT *lpDx );
extern BOOL PSDRV_GetCharWidth( PSDRV_PDEVICE *physDev, UINT firstChar, UINT lastChar,
LPINT buffer );
extern BOOL PSDRV_GetTextExtentPoint( PSDRV_PDEVICE *physDev, LPCWSTR str, INT count,
LPSIZE size );
extern BOOL PSDRV_GetTextExtentExPoint( PSDRV_PDEVICE *physDev, LPCWSTR str, INT count,
INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size );
extern BOOL PSDRV_GetTextMetrics( PSDRV_PDEVICE *physDev, TEXTMETRICW *metrics );
extern BOOL PSDRV_LineTo( PSDRV_PDEVICE *physDev, INT x, INT y );
extern BOOL PSDRV_PatBlt( PSDRV_PDEVICE *physDev, INT x, INT y, INT width, INT height, DWORD

2
dlls/wineps.drv/wineps.drv.spec
View File

@ -14,7 +14,7 @@
@ cdecl ExtTextOut(ptr long long long ptr ptr long ptr) PSDRV_ExtTextOut
@ cdecl GetCharWidth(ptr long long ptr) PSDRV_GetCharWidth
@ cdecl GetDeviceCaps(ptr long) PSDRV_GetDeviceCaps
@ cdecl GetTextExtentPoint(ptr ptr long ptr) PSDRV_GetTextExtentPoint
@ cdecl GetTextExtentExPoint(ptr ptr long long ptr ptr ptr) PSDRV_GetTextExtentExPoint
@ cdecl GetTextMetrics(ptr ptr) PSDRV_GetTextMetrics
@ cdecl LineTo(ptr long long) PSDRV_LineTo
@ cdecl PaintRgn(ptr long) PSDRV_PaintRgn

32
dlls/winex11.drv/codepage.c
View File

@ -432,14 +432,32 @@ static void X11DRV_DrawText_normal( fontObject* pfo, Display* pdisp, Drawable d,
static void X11DRV_TextExtents_normal( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth )
int* pwidth, int max_extent, int* pfit,
int* partial_extents )
{
XCharStruct info;
int ascent, descent, width;
int i, fit;
width = 0;
fit = 0;
*pascent = 0;
*pdescent = 0;
wine_tsx11_lock();
XTextExtents16( pfo->fs, pstr, count, pdir, pascent, pdescent, &info );
for ( i = 0; i < count; i++ )
{
XTextExtents16( pfo->fs, pstr, 1, pdir, &ascent, &descent, &info );
if ( *pascent < ascent ) *pascent = ascent;
if ( *pdescent < descent ) *pdescent = descent;
width += info.width;
if ( partial_extents ) partial_extents[i] = width;
if ( width < max_extent ) fit++;
pstr++;
}
wine_tsx11_unlock();
*pwidth = info.width;
*pwidth = width;
if ( pfit ) *pfit = fit;
}
static void X11DRV_GetTextMetricsW_normal( fontObject* pfo, LPTEXTMETRICW pTM )
@ -594,11 +612,13 @@ void X11DRV_DrawText_dbcs_2fonts( fontObject* pfo, Display* pdisp, Drawable d,
static
void X11DRV_TextExtents_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth )
int* pwidth, int max_extent, int* pfit,
int* partial_extents )
{
XCharStruct info;
int ascent, descent, width;
int i;
int fit;
int curfont;
fontObject* pfos[X11FONT_REFOBJS_MAX+1];
@ -607,6 +627,7 @@ void X11DRV_TextExtents_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count,
if ( pfos[0] == NULL ) pfos[0] = pfo;
width = 0;
fit = 0;
*pascent = 0;
*pdescent = 0;
wine_tsx11_lock();
@ -617,11 +638,14 @@ void X11DRV_TextExtents_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count,
if ( *pascent < ascent ) *pascent = ascent;
if ( *pdescent < descent ) *pdescent = descent;
width += info.width;
if ( partial_extents ) partial_extents[i] = width;
if ( width <= max_extent ) fit++;
pstr ++;
}
wine_tsx11_unlock();
*pwidth = width;
if ( pfit ) *pfit = fit;
}
static void X11DRV_GetTextMetricsW_cp932( fontObject* pfo, LPTEXTMETRICW pTM )

18
dlls/winex11.drv/text.c
View File

@ -201,10 +201,10 @@ END:
/***********************************************************************
* X11DRV_GetTextExtentPoint
* X11DRV_GetTextExtentExPoint
*/
BOOL X11DRV_GetTextExtentPoint( X11DRV_PDEVICE *physDev, LPCWSTR str, INT count,
LPSIZE size )
BOOL X11DRV_GetTextExtentExPoint( X11DRV_PDEVICE *physDev, LPCWSTR str, INT count,
INT maxExt, LPINT lpnFit, LPINT alpDx, LPSIZE size )
{
fontObject* pfo = XFONT_GetFontObject( physDev->font );
@ -216,23 +216,33 @@ BOOL X11DRV_GetTextExtentPoint( X11DRV_PDEVICE *physDev, LPCWSTR str, INT count,
int dir, ascent, descent;
int info_width;
X11DRV_cptable[pfo->fi->cptable].pTextExtents( pfo, p,
count, &dir, &ascent, &descent, &info_width );
count, &dir, &ascent, &descent, &info_width,
maxExt, lpnFit, alpDx );
size->cx = info_width;
size->cy = pfo->fs->ascent + pfo->fs->descent;
} else {
INT i;
INT nfit = 0;
float x = 0.0, y = 0.0;
float scaled_x = 0.0, pixsize = pfo->lpX11Trans->pixelsize;
/* FIXME: Deal with *_char_or_byte2 != 0 situations */
for(i = 0; i < count; i++) {
x += pfo->fs->per_char ?
pfo->fs->per_char[p[i].byte2 - pfo->fs->min_char_or_byte2].attributes :
pfo->fs->min_bounds.attributes;
scaled_x = x * pixsize / 1000.0;
if (alpDx)
alpDx[i] = scaled_x;
if (scaled_x <= maxExt)
++nfit;
}
y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT;
TRACE("x = %f y = %f\n", x, y);
size->cx = x * pfo->lpX11Trans->pixelsize / 1000.0;
size->cy = y * pfo->lpX11Trans->pixelsize / 1000.0;
if (lpnFit)
*lpnFit = nfit;
}
size->cx *= pfo->rescale;
size->cy *= pfo->rescale;

2
dlls/winex11.drv/winex11.drv.spec
View File

@ -27,7 +27,7 @@
@ cdecl GetPixel(ptr long long) X11DRV_GetPixel
@ cdecl GetPixelFormat(ptr) X11DRV_GetPixelFormat
@ cdecl GetSystemPaletteEntries(ptr long long ptr) X11DRV_GetSystemPaletteEntries
@ cdecl GetTextExtentPoint(ptr ptr long ptr) X11DRV_GetTextExtentPoint
@ cdecl GetTextExtentExPoint(ptr ptr long long ptr ptr ptr) X11DRV_GetTextExtentExPoint
@ cdecl GetTextMetrics(ptr ptr) X11DRV_GetTextMetrics
@ cdecl LineTo(ptr long long) X11DRV_LineTo
@ cdecl PaintRgn(ptr long) X11DRV_PaintRgn

3
dlls/winex11.drv/x11font.h
View File

@ -240,7 +240,8 @@ typedef struct tagX11DRV_CP
int x, int y, XTextItem16* pitems, int count );
void (*pTextExtents)( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth );
int* pwidth, int max_extent, int *pfit,
int* partial_extents );
void (*pGetTextMetricsW)( fontObject* pfo, LPTEXTMETRICW pTM );
} X11DRV_CP;