Newsgroup: it.comp.lang.visual-basic
Titolo: [?] info su libro Visual Basic 5.0 Win32 API - Guida del programmatore

salve volevo sapere se ci sono tutte le api  di win32 o solo le principali..
(ho la necessità di trovare info si getglyphoutline..)
grazie

Non è una semplice descrizione di cosa fa un'APE o cosa fa un'altra....
Sul sito comune di questo NG: 
www.murialdo.it/it_lang_vb
trovi la recensione di questo ed altri libri.
Per quanto riguarda l'APE che hai chiesto tu, ti riporto pari pari la sua definizione del Win32 Programmers reference:
The GetGlyphOutline function retrieves the outline or bitmap for a character in the TrueType font that is selected into
the specified device context. 
DWORD GetGlyphOutline(
    HDC hdc,	// handle of device context 
    UINT uChar,	// character to query 
    UINT uFormat,	// format of data to return 
    LPGLYPHMETRICS lpgm,	// address of structure for metrics 
    DWORD cbBuffer,	// size of buffer for data 
    LPVOID lpvBuffer,	// address of buffer for data 
    CONST MAT2 *lpmat2 	// address of transformation matrix structure  
   );	
 
Parameters
hdc
Identifies the device context. 
uChar
Specifies the character for which data is to be returned. 
uFormat
Specifies the format of the data that the function retrieves. Use one of the following values: 
Value	Meaning
GGO_BITMAP	The function retrieves the glyph bitmap. For information about memory allocation, see the following
Remarks section.
GGO_NATIVE	The function retrieves the curve data points in the rasterizer's native format and uses the font's
design units. When this value is specified, any transformation specified in the lpMatrix parameter is ignored.
GGO_METRICS	The function only retrieves the GLYPHMETRICS structure specified by lpgm. The other buffers are ignored.
This value affects the meaning of the function's return value upon failure; see the following Return Value section.
GGO_GRAY2_BITMAP	The function retrieves a glyph bitmap that contains 5 levels of gray.
GGO_GRAY4_BITMAP	The function retrieves a glyph bitmap that contains 17 levels of gray.
GGO_GRAY8_BITMAP	The function retrieves a glyph bitmap that contains 65 levels of gray.
 
Note that, for the GGO_GRAYn_BITMAP values, the function retrieves a glyph bitmap that contains n^2+1 (n squared plus
one) levels of gray. 
lpgm
Points to the GLYPHMETRICS structure describing the placement of the glyph in the character cell.
cbBuffer
Specifies the size of the buffer where the function is to copy information about the outline character. If this value is
zero, the function returns the required size of the buffer. 
lpvBuffer
Points to the buffer where the function is to copy information about the outline character. If this value is NULL, the
function returns the required size of the buffer. 
lpmat2
Points to a MAT2 structure specifying a transformation matrix for the character.
 
Return Values
If GGO_BITMAP, GGO_GRAY2_BITMAP, GGO_GRAY4_BITMAP, GGO_GRAY8_BITMAP, or GGO_NATIVE is specified and the function
succeeds, the return value is greater than zero; otherwise, the return value is GDI_ERROR. If one of these flags is
specified and the buffer size or address is zero, the return value specifies the required buffer size, in bytes. 
If GGO_METRICS is specified and the function fails, the return value is GDI_ERROR. 
Remarks
The glyph outline returned by the GetGlyphOutline function is for a grid-fitted glyph. (A grid-fitted glyph is a glyph
that has been modified so that its bitmapped image conforms as closely as possible to the original design of the glyph.)
If an application needs an unmodified glyph outline, it can request the glyph outline for a character in a font whose
size is equal to the font's em unit. The value for a font's em unit is stored in the otmEMSquare member of the
OUTLINETEXTMETRIC structure. 
The glyph bitmap returned by GetGlyphOutline when GGO_BITMAP is specified is a doubleword-aligned, row-oriented,
monochrome bitmap. When GGO_GRAY2_BITMAP is specified, the bitmap returned is a doubleword-aligned, row-oriented array
of bytes whose values range from 0 to 4. When GGO_GRAY4_BITMAP is specified, the bitmap returned is a
doubleword-aligned, row-oriented array of bytes whose values range from 0 to 16. When GGO_GRAY8_BITMAP is specified, the
bitmap returned is a doubleword-aligned, row-oriented array of bytes whose values range from 0 to 255.
An application can rotate characters retrieved in bitmap format by specifying a 2-by-2 transformation matrix in the
lpMatrix parameter. 
Ciao,
Moreno
#sirri#@
tin.it
(togliete "#" dall'indirizzo)

 (ho la necessità di trovare info si getglyphoutline..)
Se devi comprare il libro solo per quella lascia perdere: c'è solo la
descrizione "Reperisce informazioni sul glyph di un font TrueType".
Anche se non ci sono tutte, è un buon libro per imparare cosa sono e come
funzionano le API.
L'indice del libro lo trovi sul mio sito.
Ciao
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Maurizio Santaniello
MIX
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