void SetMat(LPMAT2 lpMat)
{
lpMat->eM11 = FixedFromDouble(2);
lpMat->eM12 = FixedFromDouble(0);
lpMat->eM21 = FixedFromDouble(0);
lpMat->eM22 = FixedFromDouble(2);
}
/****************************************************************************
* FUNCTION : IdentityMat
* PURPOSE : Fill in matrix to be the identity matrix.
* RETURNS : none.
****************************************************************************/
static void IdentityMat(LPMAT2 lpMat)
{
lpMat->eM11 = FixedFromDouble(1.0);
lpMat->eM12 = FixedFromDouble(0.0);
lpMat->eM21 = FixedFromDouble(0.0);
lpMat->eM22 = FixedFromDouble(1.0);
}
WINGDIAPI BOOL GLAPIENTRY wglUseFontBitmapsA(HDC hdc, DWORD first,
DWORD count, DWORD listBase)
{
int i;
GLuint font_list;
DWORD size;
GLYPHMETRICS gm;
HANDLE hBits;
LPSTR lpBits;
MAT2 mat;
int success = TRUE;
if (count == 0)
return FALSE;
font_list = listBase;
mat.eM11 = FixedFromDouble(1);
mat.eM12 = FixedFromDouble(0);
mat.eM21 = FixedFromDouble(0);
mat.eM22 = FixedFromDouble(-1);
memset(&gm,0,sizeof(gm));
/*
** If we can't get the glyph outline, it may be because this is a fixed
** font. Try processing it that way.
*/
if( GetGlyphOutline(hdc, first, GGO_BITMAP, &gm, 0, NULL, &mat)
== GDI_ERROR ) {
return wglUseFontBitmaps_FX( hdc, first, count, listBase );
}
/*
** Otherwise process all desired characters.
*/
for (i = 0; i < (int)count; i++) {
DWORD err;
glNewList( font_list+i, GL_COMPILE );
/* allocate space for the bitmap/outline */
size = GetGlyphOutline(hdc, first + i, GGO_BITMAP,
&gm, 0, NULL, &mat);
if (size == GDI_ERROR) {
glEndList( );
err = GetLastError();
success = FALSE;
continue;
}
hBits = GlobalAlloc(GHND, size+1);
lpBits = GlobalLock(hBits);
err =
GetGlyphOutline(hdc, /* handle to device context */
first + i, /* character to query */
GGO_BITMAP, /* format of data to return */
&gm, /* ptr to structure for metrics*/
size, /* size of buffer for data */
lpBits, /* pointer to buffer for data */
&mat /* pointer to transformation */
/* matrix structure */
);
if (err == GDI_ERROR) {
GlobalUnlock(hBits);
GlobalFree(hBits);
glEndList( );
err = GetLastError();
success = FALSE;
continue;
}
glBitmap(gm.gmBlackBoxX,gm.gmBlackBoxY,
(GLfloat)-gm.gmptGlyphOrigin.x,
(GLfloat)gm.gmptGlyphOrigin.y,
(GLfloat)gm.gmCellIncX,
(GLfloat)gm.gmCellIncY,
(const GLubyte * )lpBits);
GlobalUnlock(hBits);
GlobalFree(hBits);
glEndList( );
}
return success;
}
